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Light Bar patents



      
           
This page is updated frequently with new Light Bar-related patent applications. Subscribe to the Light Bar RSS feed to automatically get the update: related Light RSS feeds. RSS updates for this page: Light Bar RSS RSS



Date/App# patent app List of recent Light Bar-related patents
07/23/15
20150205165 
 Direct backlight module patent thumbnailnew patent Direct backlight module
The present invention provides a direct backlight module, which includes a backplane, a plurality of led light bars retained on the backplane, a plurality of light guide plates arranged alternate with respect to the led light bars, and a diffusion plate mounted on the backplane. The direct backlight module includes the light guide plates that are arranged between the led light bars to improve utilization rate of light energy of the led light bars so as to reduce the number of led lights included in the led light bars to thereby reduce the manufacturing cost.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


07/23/15
20150205030 
 Panel light patent thumbnailnew patent Panel light
A panel light includes a light guide plate, l-typed frames and a light bar. The l-typed frames are connected with each other and surround edges of the light guide plate.
Lextar Electronics Corporation


07/23/15
20150204488 
 Method for manufacturing led light bar and led light bar thereof patent thumbnailnew patent Method for manufacturing led light bar and led light bar thereof
The present invention provides a method for manufacturing an led light bar and an led light bar thereof. The method includes (1) providing a metal substrate (20) and a plurality of led lights (40); (2) forming a graphene layer (60) on the metal substrate (20) in such a way that the graphene layer (60) includes hollow sections (62) formed to correspond to the led lights (40); (3) mounting the led lights (40) to the metal substrate (20) in the hollow sections (62); and (4) forming silicone layers (80) in the hollow sections (62).
Shenzhen China Star Optoelectronics Technology Co. Ltd.


07/23/15
20150203691 
 Moisture and ultraviolet light barrier composition patent thumbnailnew patent Moisture and ultraviolet light barrier composition
A composition for the creation of a protective barrier on a wide variety of materials to prevent the deterioration and degradation caused by exposure to moisture and sun over time.. .

07/16/15
20150198311 
 Ambient directional combination light fixture patent thumbnailAmbient directional combination light fixture
A lighting system having a general light source and directional light sources disposed on a light bar pendant, mounted, or extending from the general light source. The general light source is flush mounted to the ceiling and includes an array of leds, powered by an led driver, all enclosed in a canopy having a light-transmitting lens, and one or more directional light sources containing leds are adjustably, and movably mounted to the light bar.
Cordelia Lighting Inc.


07/16/15
20150198294 
 Light bar, backlight device, and manufacturing methods thereof patent thumbnailLight bar, backlight device, and manufacturing methods thereof
A manufacturing method of a light bar includes providing a hard substrate; electrically connecting multiple optical source chips on the substrate, the multiple optical source chips being arranged along a length direction of the substrate in a predetermined spacing; and encapsulating the optical source chips and a top surface of the substrate with encapsulation polymer, thereby a topmost surface of the encapsulation polymer on the optical source chips and the substrate being located at the same level. The light bar obtained has efficient light coupling, simple and efficient manufacturing process, and meets requirements of compact and light product..
Sae Magnetics (h.k) Ltd.


07/09/15
20150193644 
 Decodable indicia reading terminal with combined illumination patent thumbnailDecodable indicia reading terminal with combined illumination
A decodable indicia reading terminal can comprise a laser-based scanner, an imager-based scanner, a central processing unit (cpu), and an illumination assembly. The illumination assembly can include an indicator light bar and an illumination light bar.
Metrologic Instruments, Inc.


07/02/15
20150185544 
 Segemented light guide panels in liquid crystal displays patent thumbnailSegemented light guide panels in liquid crystal displays
An electronic device (e.g., computing device, all-in-one computing system, stand-alone display, etc.) having a liquid crystal display (lcd) panel, and a light guide panel (lgp) having a first zone and a second zone physically segmented from each other. The electronic device includes a first light bar associated with the first zone; and a second light bar associated with the second zone.
Intel Corporation


07/02/15
20150182038 
 Illuminated shelving patent thumbnailIlluminated shelving
An illuminated shelving system is provided having light bars attached to the shelves. The light bars are electrically connected to a power strip that conducts electricity from a wall outlet to a plurality of light bars..
Dci Marketing, Inc.


06/25/15
20150181674 
 Single string over power protection and light source driver circuit used in display device patent thumbnailSingle string over power protection and light source driver circuit used in display device
The present disclosure provides a single-string light bar over power protection device and a light source driver circuit for a display. The over power protection device comprises: a voltage detection unit, with an input terminal being connected to a resistor in the circuit of a single-string light bar at both ends, for obtaining the voltage across the resistor; an integral unit, with an input terminal being connected to the output terminal of the voltage detection unit, for performing an integral transform on the voltage obtained; a comparisoncomparison unit, which is connected to the output terminal of the integral unit, for comparing the voltage after the integral transform with a reference voltage determined by the system parameters, so as to output an effective over voltage signal when the voltage after the integral transform is higher than the reference voltage; and a latch unit connected to the comparisoncomparison unit to lock the output standby signal according to the effective over voltage signal.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/25/15
20150175052 

Self-powered light bar


An emergency system for a vehicle integrates many disparate equipment into single housing, including the power supply for the equipment. In one embodiment of the invention, the emergency system is a light bar.
Federal Signal Corporation


06/18/15
20150173208 

Connection wire structure of direct light bar and connection method thereof


A method for connecting direct light bars includes: providing connection wires, each of which has two ends to each of which a copper ring is mounted; providing light bars, each of which includes a wiring board having a first exposed copper zone that has a hole to serve as a circuit connection contact; providing a circuit board that has a second exposed copper zone including a hole to serve as a circuit connection contact; and positioning the two copper rings of each connection wire on the circuit connection contacts of the first and/or second exposed copper zones to be in alignment with the holes so as to allow the two copper rings to be connected to the holes corresponding thereto to establish circuit connection between the copper rings and the corresponding first and/or second exposed copper zones of the circuit board and the wiring boards of the light bars.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/11/15
20150159815 

Direct-type illumination device and light bar structure for use therein


A light bar structure is disclosed. A light source module is disposed on a circuit board.
Lextar Electronics Corporation


06/11/15
20150158423 

Display element, display instrument, display method, use of an optical waveguide and vehicle


A display element can be used to represent bars of variable length. The display instrument may have a plurality of light chambers which are disposed adjacent to one another and in each case have a light barrier to the respective adjacent light chamber.
Audi Ag


05/28/15
20150146443 

Lighting array for an aircraft


A lighting arrangement for an aircraft includes a navigational lighting group disposed at a leading edge of a wing of the aircraft. The navigational lighting group includes at least one right of way light.
Bombardier Inc.


05/28/15
20150146419 

Lamp tube


A lamp tube is provided, including a cover, a heat sink, a reflecting structure, a light bar, and a driving circuit. The cover is joined with the heat sink to form a tube body.
Lextar Electronics Corporation


05/28/15
20150144589 

Manufacturing light barrier glass sheet


A manufacturing method of a light barrier glass sheet, comprising: farming a metal layer (2) on a glass substrate (1); coating a first photoresist layer (3) on the metal layer (2), performing first exposure on the first photoresist layer (3) through a half tone mask, then performing first development on the first photoresist layer (3); removing partial region of the metal layer (2) through a first etching process; removing a partial thickness and a partial region of the first photoresist layer (3) through an ashing process; forming an insulating layer (4) on the exposed glass substrate (1), the exposed metal layer (2), the first photoresist layer (3) after the ashing process, and sidewalls of the photoresist layer (3) after the ashing process; removing the first photoresist layer (3), the insulating layer (4) on the first photoresist layer (3), and the insulating layer (4) on the sidewalls of the first photoresist layer (3) by a photoresist lifting-off process so as to form a via hole (7); forming a transparent pixel electrode pattern (5) in the via hole (7), on sidewalls of the via hole (7) and on the insulating layer (4). With the method, one mask process can be omitted, thus the manufacturing process can be simplified, the production efficiency can be improved and the production cost can be reduced..
Beijing Boe Display Technology Co., Ltd.


05/14/15
20150131318 

Backlight module and display device


A backlight module and a display device are provided. The backlight module includes a light guide, a bottom frame, and a first light bar.

05/14/15
20150131026 

Flat panel display


A flat panel display includes a plastic rear cover, a supporting frame, a liquid crystal display (lcd) module, a light bar and a front cover. The plastic rear cover constructs a rear half portion of an appearance of the flat panel display.

05/07/15
20150124439 

Lamp tube


A lamp tube is provided, including a cover, a heat sink, and a light bar. The cover includes a first connection portion and a second connection portion opposite to each other.
Lextar Electronics Corporation


04/16/15
20150103522 

Light source module


A light source module includes at least one light bar, a reflector, and at least one bar-shaped reflection unit. The light bar includes light-emitting elements arranged along an extension direction.
Young Lighting Technology Inc.


04/16/15
20150102682 

Soft power wireless transmission induction plate


A soft power wireless transmission induction plate includes a gap adjustment sheet, a shielding sheet and a separation sheet. The gap adjustment sheet includes a power induction module, an led indication light and an led indication light bar thereon.
Coremate Technical Co., Ltd.


04/02/15
20150093100 

Support ring with encapsulated light barrier


Embodiments described herein provide a thermal processing apparatus with a heat source and a rotating substrate support opposite the heat source, the rotating substrate support comprising a support member with a light blocking member. The light blocking member may be an encapsulated component, or may be movably disposed inside the support member.
Applied Materials, Inc.


03/19/15
20150076893 

Armored face conveyor


An armored face conveyor includes a plurality of line pans positioned adjacent to one another, a plurality of flight bars, and a connecting member. Each line pan includes a race having an outer race face and an inner race face.
Joy Mm Delaware, Inc.


03/05/15
20150062887 

Light bar structure


A light bar structure is provided, including a longitudinal circuit board, a plurality of light-emitting elements, and a power-input terminal. The circuit board includes a first segment, a second segment, and a third segment arranged along a longitudinal axis of the circuit board, wherein the second segment is between the first segment and the third segment.
Lextar Electronics Corporation


03/05/15
20150062481 

Display device


A display device includes a housing, a backlight module and a heat dissipation assembly. A first hole is defined in the housing.
Hon Hai Precision Industry Co., Ltd.


03/05/15
20150061511 

Lighting fixtures and methods of commissioning lighting fixtures


In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, led-based lighting systems. The led based lighting systems may include fixtures with one or more led light bars, integrated sensors, onboard intelligence to send and receive signals and control the led light bars, and network connectivity to other fixtures..
Digital Lumens Incorporated


02/26/15
20150054993 

Array cameras with light barriers


An imaging system such as an array camera may include an array of image sensors. The image sensors may each include an array of image pixels formed in a common image sensor substrate.
Aptina Imaging Corporation


02/19/15
20150049482 

Optical system utilizing led illumination for a light bar, and light bar having same


An optical system is provided having a first optical element for directing led light received outwards, and two second optical elements each disposed to receive a portion of the light from a different one of two opposing ends of the first optical element so that the second optical elements redirects such portion of the light received outwards. Light from the optical system is preferably collimated along a first dimension, and non-collimated along a second dimension perpendicular to the first dimension.
Star Headlight & Lantern Co., Inc.


02/12/15
20150043204 

Profile arrangement for room lighting


A profile arrangement for room lighting is described comprising a light bar (2), which shows an oblong, essentially impermeable revetment leg (4) and an oblong spacer leg (6), with at one of its long sides the revetment leg (4) being arranged with its long side and at an angle, preferably a right angle, and with lighting means (9a) positioned approximately in a line, which are arranged at an interior (4a) of the revetment leg (4) facing the spacer leg (6) and/or at a side of the spacer leg (6) adjacent to the revetment leg (4), with the spacer leg (6) being provided with means (6a, 8) for fastening at least at one section of at least one base (10) to be mounted to a wall and/or ceiling of a room, here yielding a distance of the revetment leg (4) from at least one base (10).. .
Paulmann Licht Gmbh


02/12/15
20150042924 

Light emitting device, flat light and flat panel display


A light emitting device comprising a first frame, a light bar and a light guide plate is provided. The first frame has a groove which has a bottom plane, two inner walls, and an opening.
Lextar Electronics Corporation


01/22/15
20150021937 

Grill guard with integrated led bar


A grill guard has an led light bar positioned at a central location within the grill guard. The grill guard includes two vertically extending members and two horizontal members.
Curt Manufacturing, Llc


01/22/15
20150020678 

Ultra light bar armor


Bar armor currently provides a means of providing partial protection of vehicles and structures against certain types of rocket propelled grenades (rpgs). However, the individual bars must provide enough strength to cut through or deform the outer ogive of an rpg and cause electrical contact with the inner ogive.

01/15/15
20150016116 

Flexible led light bar and manufacturing method thereof


The present invention discloses a flexible led light bar, which includes a flexible circuit board, a light cup, an led chip, and an led encapsulation material. The light cup is formed on the flexible circuit board.
Xiamen Changelight Co., Ltd.


01/08/15
20150009651 

Led lamp


A led lamp is provided. The led lamp includes a tube and a plurality of led light bar.
Geometek Application Engineering Co., Ltd.


01/01/15
20150007093 

Immersive mode for a web browser


Various aspects of the subject technology relate to systems, methods, and machine-readable media for providing a light bar for a web browser in an immersive mode. A system is configured to display a web browser in a first browsing mode, wherein the browser in the first browsing mode comprises one or more tabs and receive, from a user, an indication to enter a second browsing mode for the web browser.
Google Inc.


01/01/15
20150006849 

Reconfigurable hierarchical collective networks with bypass mode


A reconfigurable tree apparatus with a bypass mode and a method of using the reconfigurable tree apparatus are disclosed. The reconfigurable tree apparatus uses a short-circuit register to selectively designate participating agents for such operations as barriers, multicast, and reductions.

01/01/15
20150003109 

Direct edge-lit backlighting module


A direct edge-lit backlighting module includes a plurality of first leds separated by a first interval from one anther on a substrate and emitting a light in a direction parallel to the substrate and corresponding to each first interval, and a plurality of second leds arranged in another direction opposite to the aforementioned direction and alternately arranged with the first leds and emit a light source, so as to form at least one light bar on the substrate. A light guide plate covers the leds for guiding emitted lights to uniformly distribute the intensity of light.
Unity Opto Technology Co., Ltd.


12/25/14
20140375213 

Led backlight driving circuit and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes a plurality of led light bars, a power supply driving the led light bars to light, and comparing units corresponding to the led light bars one by one. A first input end of the comparing unit is coupled to a cathode end of the led light bar, and a second input end of the comparing unit receives a first reference voltage.
Shenzhen China Star Optoelectronics Technology Co., Ltd


12/18/14
20140369041 

Lighting assembly having enhanced visual appearance


A lighting assembly includes a housing assembly, a first light source located within the housing assembly, and a second light source located within the housing assembly. A first cover is positioned relative to the first light source so that the first light source is able to illuminate the first cover.
Green Light Innovations


12/18/14
20140369026 

Light bar and backlight module


A light bar includes a wiring substrate, a plurality of light sources, and at least one high efficient heat-dissipating component. The wiring substrate has a first surface and a second surface opposite to the first surface.
Amtran Technology Co., Ltd.


12/04/14
20140354525 

Oled backlight module


A backlight module includes a light guiding board and an oled light bar. The light guiding board includes a light emitting surface, a light reflecting surface opposite to the light emitting surface, and a lateral surface interconnecting the light emitting surface and the light reflecting surface.

12/04/14
20140354181 

Led backlight driving circuit, lcd device, and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes an led light bar, a power supply that drives the led light bar, and a control assembly that controls the led light bar and the power supply. The control assembly is configured with a monitor that reduces brightness of the led light bar when a display image of a liquid crystal (lc) panel is switched between a two-dimensional (2d) display mode of the lc panel and a three-dimensional (3d) display mode of the lc panel, and the brightness of the led light bar goes normal after a preset delay time..

12/04/14
20140354176 

Led backlight driving circuit, lcd device, and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes a power supply, constant current driving unit that drives led light bars, a switching unit coupled to the power supply, and m light units that are connected with each other in parallel. Each of the light units comprises at least two led light bars that are connected with each other in parallel, and an input end of each of the led light bars is coupled to the switching unit.

11/27/14
20140347880 

Light-emitting-diode light bar and related planar light source


A led light bar, a related planar light source and a method of manufacturing such light bar is provided. The light source includes a light guide plate having a first surface and a second surface; at least one light bar, on which a plurality of leds is disposed, wherein the light bar is disposed on a lateral side of the light guide plate, and the leds are disposed inside the light guide plate to output light; a reflector, which is disposed outside the second surface and reflects light; and a diffuser, which is disposed outside the first surface and scatters reflected light of the reflector.

11/27/14
20140347849 

Light-emitting diode lamp


A light-emitting diode lamp comprises a frame defining a pair of slots therein, a light bar fixed on the frame at one side thereof by pushing the light bar into the slots, a driving module mounted on the frame at the other side thereof, and a lamp cover fixed on the frame and covering the light bar. The light bar is inserted into the slots of the frame to be mounted in the light-emitting diode lamp.

11/27/14
20140346329 

Photoacoustic transducer with optical feedback


A photoacoustic ultrasound transducer receives excitation light on a bundle of optical fibers. The optical fibers in the bundle are divided to direct the excitation light onto light bars positioned on either side of an imaging stack.

11/20/14
20140340295 

Led backlight driving circuit, lcd device, and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes a power supply, an led light bar, and a constant current driving chip that adjusts brightness of the led light bar. The constant current driving chip receives the pwm dimming signal.

11/13/14
20140334181 

Backlight unit of display device and white led


A backlight unit of a display device includes a light bar and a light guide plate (lgp), where a plurality of ultraviolet (uv) light emitting diodes (leds) are arranged on the light bar, and a light incident surface of the lgp and the uv leds are oppositely arranged. At least one red-green-blue (rgb) quantum dot phosphor layer is arranged in a path of a light from the uv leds to a light emitting surface of the lgp.

11/13/14
20140333520 

Led backlight driving circuit, backlight unit, and lcd device


A light emitting diode (led) backlight driving circuit includes a power supply, an led light bar coupled to the power supply, a constant current driving chip that drives the led light bar to light, and a comparing unit. The constant current driving chip includes an under-voltage protection pin that receives an under-voltage protection signal.

11/13/14
20140333518 

Led backlight driving circuit, lcd device, and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes a power module, a constant current driving module, and an led light bar coupled to the power module. The power module is coupled to a power-voltage collecting module outputting a second comparison voltage, and the led light bar is coupled to a light-bar-voltage collecting module outputting a first comparison voltage.

11/13/14
20140333204 

Led backlight driving circuit, lcd device, and driving the led backlight driving circuit


A light emitting diode (led) backlight driving circuit includes an led light bar, a power supply that drives the led light bar to light, a short-circuit protection unit, and a divider resistor. An output end of the led light bar is coupled to the short-circuit protection unit and the divider resistor.

11/06/14
20140326576 

Method for monitoring transportation processes for conveying banknotes in a self-service terminal


A method for monitoring transportation of bills ensures reliable control of the transportation processes. Each bill (bn) is routed through a light barrier that has a light-sensitive sensor (s) to detect at least one edge of the bill (bn).

10/30/14
20140321541 

Method and capturing an image


A method and apparatus are provided for capturing video so that compression and quality can be optimized. During operation, a video recording system will employ a learning algorithm to determine periods when a light bar is on, or active.

10/30/14
20140321110 

Light tube device


A light tube device includes a light bar section and a heat dissipation structure. The light bar section and a heat dissipation structure is a single-piece integrally formed structure, and collectively form a hollow tube.

10/30/14
20140318333 

Method and slicing products


In a method of slicing products, in particular food products, a plurality of products are supplied next to one another along a product support to a cutting plane in which a cutting blade moves, in particular in a rotating and/or revolving manner. The products are initially offset relative to one another in a stepped manner in the product supply direction via the product conveyors in that, starting from a first product, the further products up to the respective outermost product, which are arranged next to one another at at least one side, are set back by a respective amount against the product supply direction, and indeed further than the respective preceding product.

10/02/14
20140293605 

Lighting fixtures and methods of commissioning lighting fixtures


In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, led-based lighting systems. The led based lighting systems may include fixtures with one or more led light bars, integrated sensors, onboard intelligence to send and receive signals and control the led light bars, and network connectivity to other fixtures..

09/25/14
20140286042 

Backlight module and manufacturing the same


An exemplary backlight module includes a light guide film and a light bar. The light guide film includes a top surface, a bottom surface, and a light incident surface connected between the top surface and the bottom surface.

09/25/14
20140285095 

Lighting fixtures and methods of commissioning lighting fixtures


In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, led-based lighting systems. The led based lighting systems may include fixtures with one or more led light bars, integrated sensors, onboard intelligence to send and receive signals and control the led light bars, and network connectivity to other fixtures..

09/25/14
20140285090 

Lighting fixtures and methods of commissioning lighting fixtures


In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, led-based lighting systems. The led based lighting systems may include fixtures with one or more led light bars, integrated sensors, onboard intelligence to send and receive signals and control the led light bars, and network connectivity to other fixtures..

09/18/14
20140268723 

Collimating light head including base with projecting dome-like lens


A light head includes a heat sink, a circuit board in heat transfer communication with the heat sink, a light source mounted on the circuit board such that heat generated by the light source when energized is transferred to via the circuit board to the heat sink, a collimating base having a cavity for receiving the light source, and a collimating lens structure on the outer surface of the base projecting outward from the outer surface of the base for transmitting substantially collimated light from the base. A light bar including one or more such light heads is also described..

09/18/14
20140268692 

Door frame troffer


An indirect troffer. Embodiments of the present invention provide a troffer-style fixture that is particularly well-suited for use with solid state light sources, such as leds.

09/18/14
20140266853 

Radar false alert reduction


A radar detector suppresses alerts from vehicle guidance systems, by sweeping for a consistent radar signal; the center frequency of the signal is stored and the detector suppresses warnings of radar signals near that frequency. The detector uses an enhanced method for suppression of signals near a known location of a false signal source; in the event the detector detects a radar signal and finds a matching stored false signal, the detector will first compare the strength of the received signal to a threshold strength that is computed based upon the distance of the detector from the stored false signal, and will only suppress signals below threshold.

09/04/14
20140247593 

Connector and led light bar


The present invention discloses a connector and an led light bar. The connector includes an input module and an output module, wherein the input module and the output module being electrically connected; the input module comprising at least two input interfaces, the input interface being for connecting to an external power supply, the output module being for electrical connection to all leds in at least two external areas.

09/04/14
20140246593 

Device for reading out exposed imaging plates


A combined device for reading out and erasing imaging plages comprises an eraser disposed down-stream of a readout unit at a short distance thereof, said eraser being separated from the readout unit by a light barrier.. .

08/21/14
20140233238 

Stage lighting fixture


The light source being defined by a short-arc lamp to project a light bar.. .

08/14/14
20140226319 

Tactical throw light


An automatic tactical light bar includes a body having a plurality of illuminated sides including at least a first illuminated side and a second illuminated side arranged around a central chamber; a plurality of illumination elements fixed to the illuminated sides with at least one illumination element per illuminated side; an electric circuit in communication with the illumination elements and the central chamber, the circuit including at least one orientation sensor; an electric power source in the central chamber and in communication with the plurality of illumination elements through the electric circuit, wherein the at least one orientation sensor controls one of plurality of illumination elements according to the electric circuit, wherein each of the at least one orientation sensors are arranged inside the body to selectively supply power to the at least one illumination elements corresponding to the first illuminated side.. .

08/07/14
20140218906 

Track light device


A track light device includes a track, a track light and at least one light bar. The track extends along a longitudinal axis.

07/17/14
20140198494 

Lighting unit and light bar having the same


A lighting unit is provided and includes a cup body, a substrate, a first conductive wire connector and a second conductive wire connector. The cup body has a light emitting surface, a first end portion, and a second end portion.

07/10/14
20140192514 

Backlight module, printed circuit board used for backlight module, and manufacturing the same


The present invention discloses a backlight module, a printed circuit board used for a backlight module, and a manufacturing method for the same. The printed circuit board comprises a light bar region and a heat dissipating region.

07/03/14
20140184926 

Television and electronic apparatus


According to one embodiment, an electronic apparatus includes a rectangular liquid crystal panel, a light-guide plate, a light bar corresponding a short side of the liquid crystal panel and including a plurality of light-emitting diodes, a reflector on the light-guide plate, a prism sheet on the light-guide plate on a side opposite to the reflector, and a polarizing sheet on the prism sheet configured to diffuse light.. .

06/26/14
20140177206 

Light emitting diode light bar for use in a backlight module


An led (light emitting diode) light bar is for use as a light source of a backlight module of an lcd (liquid crystal display). The led light bar includes a printed circuit board having a circuit therein, a plurality of led chips located on the printed circuit board and an encapsulation layer sealing the plurality of led chips.

06/26/14
20140175464 

Light emitting diode device


A light emitting diode (led) device includes a light guiding member having a light incident surface, and an led light bar mounted on the light incident surface. The led light bar includes a printed circuit board, leds mounted on the printed circuit board, and encapsulating layers formed on the printed circuit board and respectively encapsulating the leds therein.

06/26/14
20140173886 

Method for manufacturing light-emitting diode light bar


A method for manufacturing an led light bar includes steps: a nozzle picks up leds pending to be mounted; the electrical parameters of the leds detected by the nozzle are stored in a database; then, the nozzle disposes the led on a substrate; the above steps are repeated until a plurality of led branches are mounted on the substrate; then, differences of the electrical parameters of the led branches are calculated according to the electrical parameters in the database; the positions of the leds of the led branches are adjusted to make the electrical parameters of the led branches equal.. .

06/19/14
20140168568 

Light emitting diode module and light bar having the same


A light bar includes a printed circuit board, and light emitting diode (led) modules adhered to the printed circuit board. Each led module includes an led, a frame and a lens.

06/19/14
20140168051 

Large audience 3d display system without glasses


A three dimensional (3d) display apparatus for without 3d glasses. The display apparatus includes a display element operated to display left and right eye images.

06/19/14
20140167633 

Backlight driving circuit and liquid crystal display with the same


A backlight driving circuit is disclosed. The backlight driving circuit includes a steady voltage circuit, a boost converter, a current setting circuit, and a control circuit.

06/12/14
20140160791 

Backlight module and display device


A backlight module and a display device comprise: a light guide plate; a led light bar including a plurality of led lamps arranged at intervals at a side of the light guide plate so as to emit the light to the light-entering surface of the light guide plate, and a gap provided between the led light bar and the light guide plate; and a reflection member arranged outside the gap and reflecting the light from the led light bar toward the light guide plate, wherein first regions and second regions are arranged on the reflection member at intervals, the first regions correspond to positions of the led lamp, the second regions correspond to an interval between the plurality of led lamps and/or a position outside the led lamps at the end of the led light bar, and the first region has a reflective index less than the second region.. .

06/12/14
20140159592 

Led light tube compatible with light fixture having electronic ballast or magnetic ballast


The led light tube compatible with a light fixture having an ballast has a translucent tube and an led light bar mounted in the translucent tube. And having at least one waveform conversion circuit having multiple rectifier diodes and at least one led light string connected to the at least one waveform conversion circuit, wherein a recovery time of each rectifier diode is under 1 μs; the ballast determines the at least one waveform conversion circuit and the at least one led light string as low impedance loads, thus, the ballast does not output a high voltage ac power and burn the led light tube; a recovery time of each rectifier diode is also short such that the led light tube can endure a high frequency ac power outputted by the ballast.

06/05/14
20140155181 

Luminous inflatable figure


A luminous inflatable figure has an inflatable body, a lighting unit and an air pump. The inflatable body is transparent and has at least one light bar and a controller bag sewed on an inner surface of the inflatable body.

06/05/14
20140152195 

Method for overcoming excessively high temperature of constant current driving chip and led light bar driving circuit


The invention provides a method for overcoming excessively high temperature of a constant current driving chip and an led light bar driving circuit. The method includes (1) providing dual-channel constant current driving chips, each including first and second input pins, first and second output pins, and a control pin; (2) providing led light bars, resistors, a control source, and a power source; (3) connecting ends of one light bar to the power source and the first input pin, connecting ends of another light bar to the power source and the second input pin, connecting ends of one resistor to the first output pin and grounding, connecting ends of another resistor to the second output pin and grounding, and connecting the control source to the control pin; (4) repeating step (3) until the light bars are connected; and (5) activating the control source and the power source to drive the light bars..

06/05/14
20140152186 

Led backlight driving circuit, backlight module, and lcd device


A light emitting diode (led) backlight driving circuit includes a light bar and a power supply module that is coupled with the light bar. The light bar and the power supply module are connected by a flexible circuit board.

05/29/14
20140149929 

System and image registration


A system and method for providing processable data associated with anatomical images may provide a user interface including a pivot and stem tool via which to align multiple images, a flashlight bar for viewing portions of an overlaid image, and/or user-movable markers for establishing a location of one or more anatomical landmarks with regions of one or more images.. .

05/29/14
20140145856 

Led indicator for producing a light bar in a bargraph


A led indicator has a bargraph and a lighting device arranged behind the bargraph and provided with a row of leds controlled to produce a light bar with a length which is variable as a function of the number of leds that are switched on along a lighting sense; the leds are arranged between screens, which are spaced apart from the lower surface of the bargraph and extend at least to reach an axis which starts from the immediately preceding led orthogonally to such a lower surface.. .

05/29/14
20140145646 

Led voltage adjustment device and drive system thereof


The present invention provides led voltage adjustment device and drive system thereof. The device includes pi regulator, with negative terminal connected to negative terminal of led light bar to receive negative terminal voltage of light bar and positive terminal of pi regulator being for receiving reference voltage; integrator, for performing integral on output signal of pi regulator; a subtractor, with positive input terminal receiving output signal from pi regulator and negative terminal receiving overcurrent protection detection voltage from boost converter for driving light bar, and subtracting overcurrent protection detection voltage from output signal of pi regulator; comparator, with positive terminal receiving output signal from integrator and negative terminal receiving output signal from subtractor; and integrated circuit (ic) module, for receiving output signal from comparator and based on received output signal to control a control signal to conduct or cut off switch transistor of boost converter..

05/15/14
20140133174 

Displays and display chassis structures


Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display.

05/15/14
20140132173 

Method for multiplying current of led light bar and associated driving circuit thereof


The present invention provides a method for multiplying current of an led light bar, which includes (1) providing a constant current driving chip that includes driving modules each having first to three pins and resistors; (2) providing an led light bar, a power source, and a pwm control source; (3) connecting an end of one resistor to the third pin of one driving module and an opposite end grounded, connecting the first pin of the driving module to the negative terminal of the light bar, connecting the second pin of the driving module to the pwm control source, and connecting the positive terminal of the light bar to the power source; (4) repeating step (3) as necessary to have multiple driving modules electrically connected to the light bar; (5) activating the power source and the pwm control source to allow the driving modules to simultaneous drive the light bar.. .

05/15/14
20140132161 

Method for using constant current driving chip to generate different currents to drive light bar and driving circuit thereof


The present invention provides a method for using a constant current driving chip to generate different currents to drive light bars and a driving circuit thereof. The method includes (1) providing led light bars, a constant current driving chip, resistors having different resistances, and first and second power sources, wherein the driving chip has light bar connection terminals, resistor connection terminals, a power connection terminal, and a power grounding line connection terminal; (2) connecting positive and negative terminals of each led light bar to the first power source and the light bar connection terminals; (3) connecting ends of each resistor to the resistor connection terminals and the grounding line; and (4) connecting the power connection terminal and the power grounding line connection terminal of the driving chip to the second power source and activating the power sources to drive the led light bars to give off lights of different illuminations..

05/08/14
20140126199 

Light fixture retrofit kit with integrated light bar


Retrofit systems and methods are disclosed for lighting installations, and in particular, to retrofit systems and methods used to retrofit troffer-style lighting installations with led light sources. Retrofit systems can be used with different light fixtures, but those described are particularly adapted for use with troffer-style fixtures.

05/08/14
20140125476 

Light bar and making


A light bar is described that is of a modular construction based on one or more large circuit boards that are populated with light beam assemblies and then fastened to an interior space of the light bar housing. Keys that automatically align the light beam assemblies on each of the boards precisely control placement of the assemblies on the board.

05/01/14
20140119055 

Light coupling arrangement of backlight module


The present invention relates to a light coupling arrangement of a backlight module, which includes a heat dissipation board, an led light bar, a light guide plate, and a backplane. The heat dissipation board is positioned at a light incidence side of the light guide plate and fixed to the backplane.

05/01/14
20140119053 

Backlight module and display device


The present invention discloses a backlight module, which comprises a light guide plate and a light bar disposed on the light guide plate, wherein white light sources and monochromatic light sources having at least one color of n primitive colors wherein n is greater than or equal to 3. The present invention further discloses a display device comprising such a backlight module.

05/01/14
20140119000 

Led light bar and backlight module using the led light bar


The present invention provides an led light bar and a backlight module using the led light bar. The led light bar includes a heat dissipation strip, a pcb mounted on the heat dissipation strip, led chips mounted on the heat dissipation strip and electrically connected to the pcb, and a thermal interface material layer arranged between the led chips and the heat dissipation strip.

05/01/14
20140118999 

Lighting device


A lighting device includes a light bar, two reflective covers and a reflective plate. The two reflective covers respectively connected to two opposite long sides of the light bar.

04/24/14
20140111325 

Steering wheel light bar


The present invention is directed to a steering apparatus for a vehicle having a including a light element providing indication and warning light signals to the user of the vehicle. The light element can be associated with a pcb mounted to the steering wheel grip for controlling the operation of the light element.

04/24/14
20140111324 

Steering wheel light bar


The present invention is directed to a steering apparatus for a vehicle having a including a light element providing indication and warning light signals to the user of the vehicle. The light element can be associated with a pcb mounted to the steering wheel grip for controlling the operation of the light element..



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Light Bar topics: Circuit Board, Cross Section, Led Light Bulb, Led Lighting, Light Guide Plate, Light Guide, Liquid Crystal, Lighting Fixture, Ultraviolet, Ultraviolet Light

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