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Light Guide patents



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


Health monitoring apparatus

Health monitoring apparatus

Laparoscopic device

Laparoscopic device

Date/App# patent app List of recent Light Guide-related patents
10/09/14
20140303494
 Needle guidance system patent thumbnailNeedle guidance system
A system and device to determine the location of a needle as it penetrates through a tissue and into a desired site, such as the epidural space, are described. The system (1000) contains a light guide (1020), a light source (1040), a light sensor (1050), and a logic unit (1060).
10/09/14
20140303451
 Health monitoring apparatus patent thumbnailHealth monitoring apparatus
A health monitoring apparatus is providing, which includes a body section and a housing section that covers the body section. The body section includes a printed circuit board, a flow meter section, a first mouth probe, a second mouth probe, and a non-contact thermometer light guide.
10/09/14
20140303442
 Laparoscopic device patent thumbnailLaparoscopic device
The invention is a laparoscopic device comprising an internal light source located at the distal end of the handle section, a central core comprising an optical system, and a light guide in the form of a cylindrical tube that is slipped over the central core. The light guide is adapted to cause the light emitted by the internal light source to propagate through it by internal reflection until light exits the light guide at the distal end of the laparoscope..
10/09/14
20140301658
 Per pixel mapping for image enhancement patent thumbnailPer pixel mapping for image enhancement
An aspect of the present invention proposes a solution to allow low-cost flat panel displays without light guides to maintain a high quality image display via enhancement of pixel data to account for non uniform brightness. According to one embodiment, each pixel of a display is mapped to the brightness (intensity) of illumination that reaches the pixel.
10/09/14
20140301109
 Light guide plate, back light module and display apparatus patent thumbnailLight guide plate, back light module and display apparatus
A light guide plate comprises a transparent light guide plate body; and a plurality of reflection sheets disposed inside the light guide plate body adjacent to a bottom surface of the light guide plate body, wherein a surface of the reflection sheet away from the bottom surface is configured as a reflection surface, regions of the light guide plate body except the reflection sheets are configured as light transmission regions, and the light transmission regions and the reflection sheets are alternately arranged. Since the reflection sheets are provided inside the light guide plate body, the reflection sheet reflects the light which is directed from the one surface and passes through the display panel, and prevents the light, which is directed from the other surface of the display apparatus, from passing through the display panel and interfering with the normal display of the one surface.
10/09/14
20140301108
 Illuminating unit, display unit, and electronic apparatus patent thumbnailIlluminating unit, display unit, and electronic apparatus
Provided is a display unit capable of achieving a more excellent image. The display unit includes an illuminating unit and a display section configured to perform image display using light from the illuminating unit.
10/09/14
20140301107
 Lighting apparatus and display apparatus patent thumbnailLighting apparatus and display apparatus
A lighting apparatus of the present disclosure includes: a light source device having one or more light emitting diodes; a board on which the light source device is provided; a light guide plate having an entrance surface facing a light exit surface of the light source device to allow entry of light therefrom, and a light emission surface which emits the light having entered through the entrance surface, the light guide plate configured to propagate the light having entered through the entrance surface and emit the light through the light emission surface; and an engagement member fixed on the board and engaging the board with the light guide plate, the engagement member configured to prevent relative motion, between the board and an engaged portion of the light guide plate engaged with the board, in a direction in which the light exit surface and the entrance surface face each other.. .
10/09/14
20140301106
 Appliance displays having modular light guides and methods of assembling the same patent thumbnailAppliance displays having modular light guides and methods of assembling the same
Example appliance displays having modular light guides and methods of assembling the same are disclosed. An example appliance display includes a printed circuit board having a side-fire light emitting diode attached to a surface of the printed circuit board, a frame having a plurality of heat stakes to operatively connect the printed circuit board to the frame, and a light guide inserted into an opening defined in the frame, wherein the light guide guides light emitted by the light emitting diode through the opening defined in the frame, and wherein the printed circuit board retains the light guide in the opening when the printed circuit board is heat staked to the frame..
10/09/14
20140301105
 Back light unit with light guide plate preventing dark area between leds patent thumbnailBack light unit with light guide plate preventing dark area between leds
A backlight unit with a light guide plate preventing the dark area between light emitting diodes (leds) is provided, wherein a plurality of dark area-preventing patterns formed on an incidence plane of a light guide plate and having different angles of inclination or different radii of curvature may evenly diffuse lights incident from an led even under the condition that the gap between the leds is relatively broad and greater than or equal to the width of an led and thus, uniform brightness may be obtained without an occurrence of a dark area. Accordingly, the number of the leds may be decreased and the backlight unit may be fabricated with a relatively low cost..
10/09/14
20140301104
 Backlight module patent thumbnailBacklight module
A backlight module includes a reflector, a light guide plate and a film. The reflector includes a supporting plate and two extending portions, and the extending portions are located on two opposite sides of the supporting plate, respectively.
10/09/14
20140300873
Laser light source apparatus and image display apparatus
A laser light source apparatus includes: a laser light source that emits a laser beam; a condenser lens that converges the laser beam emitted from the laser light source; and a light guide unit that propagates and outputs the laser beam converged by the condenser lens, and the laser beam converged by the condenser lens is made incident at an angle other than perpendicular to an incident end face of the light guide unit.. .
10/02/14
20140293654
Illuminating device
In one embodiment, a light emitting device includes: a light source which emits light; a light guide portion which has an emission surface which emits light and a back surface which opposes to the emission surface, and which has at the back surface a reflecting portion which the light emitted from the light source enters and which reflects the entering light toward the emission surface; a heat transfer portion which opposes to the back surface of the light guide portion and is provided with an interval which is a wavelength of the light or more being spaced from the back surface; and a support portion which is provided between the reflecting portion and the heat transfer portion, and which keeps the interval between the light guide portion and the heat transfer portion.. .
10/02/14
20140293653
Composite light guide plate, apparatus and method for manufacturing same
A composite light guide plate comprises a light guide plate and a prism structure adhering to the light guide plate. The light guide plate comprises a light emitting surface.
10/02/14
20140293652
Light guide plate and mold for manufacturing same
A light guide plate includes a rough light emitting surface, a bottom surface opposite to the light emitting surface, and a plurality of microstructures formed on the bottom surface. A cross-sectional surface of each of the microstructures is trapezoidal shaped..
10/02/14
20140293651
Light source system having light guide routes
A first light guide route is defined as a route including a first light source, a first light source light emitting end, a first optical connection terminal, a first light guide member, and a first light emitting member, and a second light guide route is defined as a route including a second light source, a second light source light emitting end, a second optical connection terminal, a second light guide member, and a second light emitting member. The first light source light emitting end and the first optical connection terminal are constituted based on desirable first optical specifications, and the second light source light emitting end and the second optical connection terminal are constituted based on desirable second optical specifications, so that the first or second light guide route can be constituted..
10/02/14
20140293649
Illumination device and automotive lamp
An automotive lamp includes an led and a light guide. The light guide has the light, emitted from the led, enter through an incident surface and emits the light frontward from an emission surface by guiding the light inside the light guide.
10/02/14
20140293646
Lighting device and display device
A lighting device includes a translucent member having the same cross sectional tubular shape throughout a longitudinal direction and including a lens that includes a light incident surface for receiving incident light and a pair of light exit surface for diffusing and emitting the light incident on the light incident surface to the outside, and a light-emitting portion mounted on a substrate and emitting the light toward a region including the light incident surface of the translucent member, where in the translucent member includes a pair of light guide portions for guiding the light incident on the light incident surface to a pair of the light exit surfaces so that the light incident on the light incident surface is diffused and emitted from the pair of light exit surfaces in a width direction that is orthogonal to the longitudinal direction.. .
10/02/14
20140293643
Candle-like lighting device
An candle-like lighting device includes a light body having a diffuser, a light guider and a light source; the diffuser having a plurality of diffusing particles mounted therein; the light guider having a reflecting portion defined at one end thereof and having a refracting portion defined at another end thereof, the diffuser sleeving the light guider; and the light source assembled to the light guider. Wherein, partial light beams from the light source are reflected by the reflecting portion toward the refracting portion and are refracted by the refracting portion into the diffuser; simultaneously, rest light beams form the light source are directly transmitted toward the refracting portion and are refracted by the refracting portion into the diffuser; as a result, the refracted light beams are diffused by the diffusing particles in the diffuser..
10/02/14
20140293641
Irradiation module having light guide members
An irradiation module mechanically detachably attached to a light source module includes a first light source light entrance end which allows entry of first light source light from a first light source module, a first light guide member to guide the first light source light entered the first light source light entrance end, a second light source light entrance end which allows entry of second light source light from a second light source module, and a second light guide member to guide the second light source light entered the second light source light entrance end. The first light guide member and the second light guide member have optical specifications which correspond to optical characteristics of the light source light to be guided and in which the optical characteristics are different from each other..
10/02/14
20140293639
Brake light system and brake light
A braking light system mounted on a road vehicle includes at least one braking light, a power source, a detecting unit, and a controlling unit. The braking light includes a light guide plate, a first light source, and a second light source.
10/02/14
20140293632
Illuminating device for motor vehicle
An illuminating device for motor vehicle including an upper panel and a lower panel, an illumination opening partitioned between the upper and lower panels, and an illuminating portion having a light source portion and a light guide body configured to guide light from the light source portion to the illumination opening. A protrusion portion is set on the lower panel.
10/02/14
20140293627
Headlight device for motorcycle
A headlight device for a motorcycle that is able to emit a light beam in a predetermined shape and in a sufficient light emission amount. The headlight device for the motorcycle includes light guide light sources provided separately from headlight light sources that lights the front side.
10/02/14
20140293571
Artificial sunlight radiation device
An artificial sunlight radiation device (10) includes a xenon light source (9), a condensing element (2), a tapered coupler (3), an optical filter (4), a light guide plate (16), a light extracting member (17), and a side-surface reflection member (15) that is provided at one or more side end surfaces of the light guide plate (16), reflects a portion of the light output from the light guide plate (16), and directs the portion of the light toward a radiation surface.. .
10/02/14
20140293392
Techniques for quantum dot illumination
Techniques for extracting light from a light guide are described. In some embodiments, a light source comprises a light guide configured to trap first light through total internal reflection.
10/02/14
20140293389
Optical device and virtual image display
An optical device includes: a light guide plate receiving, for each of n types of wavelength bands, a plurality of parallel light beams with different incident angles each corresponding to view angles, and guiding the received parallel light beams; a first and a second volume hologram gratings of reflection type having a diffraction configuration which includes n types of interference fringes each corresponding to the n types of wavelength bands, and diffracting/reflecting the parallel light beams. The optical device satisfies for each wavelength band, a relationship of ‘p>l’, where ‘l’ represents a central diffraction wavelength in the first and second volume hologram gratings, defined for a parallel light beam corresponding to a central view angle, and ‘p’ represents a peak wavelength of the parallel light beams..
10/02/14
20140293368
Illumination device, image reading apparatus, and image forming apparatus
In an illumination device that radiates light to an object to be irradiated placed on a predetermined placement surface, a first light guide body has a first incident surface located at an end thereof in a first direction, which receives light along the first direction, and a first exit surface extending along the first direction, which emits the light in a second direction crossing the first direction, thereby radiating light to the object to be irradiated, from the second direction, and a second light guide body has a second incident surface located at an end thereof in the first direction, which receives light along the first direction, and a second exit surface extending along the first direction, which emits the light in a third direction crossing the first direction and the second direction, thereby radiating light to the object to be irradiated, from the third direction.. .
10/02/14
20140293233
Projector and illumination device
A projector includes a plurality of light sources, an integrator lens and an overlapping lens, a light guide optical system, a light control device, a light modulation device, and a projection optical system, the light control device includes a pair of light-blocking members opposed to each other across a light path of the light emitted from the light sources in one direction in which the plurality of partial areas is arranged on the integrator lens, and a control device adapted to move the light-blocking members into and out of the light path, and the control device moves the pair of light-blocking members into and out of the light path so that the light entering the overlapping lens has a shape with a symmetric property in accordance with lighting and extinction states of the plurality of light sources.. .
10/02/14
20140293191
Liquid crystal device, electronic apparatus and lighting device
In a liquid crystal device, when the local dimming is adopted, at a light guide plate of a lighting device, light guide plate portions having a trapezoidal planar shape where two sides facing each other in the y-axis direction have different lengths are arranged in the x-axis direction to have reverse orientations in the y-axis direction. A light emitting element emits the light of a light source from the end surface of the light guide plate portion which is located at a short side into the light guide plate portion.
10/02/14
20140293190
Light guide film, backlight unit for ultrathin liquid crystal display device and mobile computer, and method for producing light guide film
The present invention relates to a light guide film for a backlight unit of an ultrathin liquid crystal display device, the light guide film allowing rays of light entering from an end face to exit from a front face side, and including a hard layer (17, 18) having a pencil hardness of at least hb, the hard layer (17, 18) containing a polycarbonate as a principal component, and at least one face of the hard layer being exposed, and the entire light guide film (12) having an average thickness of no less than 100 μm and no greater than 600 μm.. .
10/02/14
20140293189
Reflective liquid-crystal display device and electronic apparatus
According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas.
10/02/14
20140293185
Backlight device and liquid crystal display including the same
A backlight device includes: a flat chassis member; a light guide plate stacked on the chassis member; and a light source member attached to the chassis member so as to face a light incident face that is located at a side face of the light guide plate. The light guide plate has, at at least one side face adjacent to the light incident face, a convex part protruding outwardly of the side face, the chassis member has a protruding part to sandwich the convex part, and at least a part of the protruding part is covered with an elastic member that presses the convex part toward the light source member..
10/02/14
20140293136
Illumination device, display device, television receiving device, and illumination device manufacturing method
An illumination device 12 includes a light source 17; a light guide plate 16 having a light-receiving face 16b and a light-exiting surface 16a; a chassis 14 having a body 141 covering a rear surface 16c of the light guide plate 16, a strip-shaped projecting part 142 projecting beyond the light-receiving face 16b, and a straight edge 143 extending in a straight line parallel with the light-receiving face 16b; a light source support member 19 having a support part 191 supporting the light source 17, and an attachment part 192 having an edge 193 that extends beyond the straight edge 143 of the chassis 14 and that extends in a straight line parallel with this straight edge 143, the attachment part 192 being attached to the front side of the projecting part 142; a screw 21 penetrating the projecting part 142 and the attachment part 192 from the rear side of the projecting part 142; and a screw-receiving part 131 that clamps the projecting part 142 and the like between the screw 21 and the screw-receiving part 131 itself.. .
10/02/14
20140292658
Keypad with optical sensors
A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap having a top surface.
09/25/14
20140288394
Physiological monitoring methods
A method of monitoring a subject includes attaching a sensor module having at least one optical emitter and detector to a body of the subject, delivering light from the at least one optical emitter into the body of the subject via a first light guide that is in optical communication with the at least one optical emitter, and collecting light from the body of the subject via a second light guide that is in optical communication with the at least one optical detector. The first light guide has a proximal end optically coupled to the at least one optical emitter and delivers light from the at least one optical emitter via a distal end thereof.
09/25/14
20140286052
Modular light-emitting panel assembly
A modular light-emitting panel assembly has first and second light guides edge lit by respective light sources. Each light guide has a light input edge, opposed side edges, opposed major surfaces and a pattern of light extracting elements at at least one of the major surfaces.
09/25/14
20140286050
Backlight module
A backlight module comprises a light guide plate, a plurality of light guide portions, and a plurality of light sources. Each light guide portion is wedge-shaped.
09/25/14
20140286045
Display and front-light module thereof
A display includes a reflective display module, a light guide plate, at least one light source and a cover lens. The light guide plate includes a first light guide surface opposite to the reflective display module.
09/25/14
20140286043
Dual-sided film with compound prisms
Dual-sided optical films have extended prisms formed in one major surface, and extended lenslets formed in an opposite major surface. Some or all of the prisms are compound prisms, in which the two inclined surfaces of each compound prism each include a tip portion, a base portion, and an intermediate portion disposed between the tip portion and the base portion, the intermediate and tip portions forming a concave shape and the intermediate and base portions forming a convex shape, or vice versa.
09/25/14
20140286042
Backlight module and manufacturing method of 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
20140286038
Light source system
The light source system includes a plurality of light source modules configured to respectively emit light source lights having optical characteristics different from each other, and an irradiation module to which the light source modules are mechanically and detachably attached. The irradiation module includes a first light guide member, a second light guide member, and a first light conversion unit.
09/25/14
20140286030
Lighting appliance for vehicles
A lighting appliance for vehicles with a light unit includes a light source and a light guide assigned to the light source for the creation of a given light function, wherein the light guide is embodied as a rod-shaped light guide with a punctiform surface for the coupling-out of light or as a flat light guide with a line-shaped or a sheet-like surface for the coupling-out of light, wherein for the creation of said light function, a light surface magnifying unit is provided, which comprises a light source and a mask template unit for the generation of an illumination pattern from a light beam sent from a light source onto a projection screen.. .
09/25/14
20140286029
Lighting device for a vehicle interior
The invention relates to a lighting device (1) for a vehicle interior, comprising a light guide element (4) having a light coupling surface and a light decoupling surface, wherein a luminous flux can be introduced into the light coupling surface by means of at least one light source, wherein the light guide element (4) is retained at least in some sections in a frame element (2) at the edges thereof. According to the invention, the at least one light source is arranged in the frame element (2) in such a way that the light decoupling surface (13) extends substantially perpendicularly to the light coupling surface, wherein the light guide element (4) is structured at least in some sections..
09/25/14
20140285750
Transparent display device
A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, wherein second recessed patterns of a second light guide plate are directly faced with first recessed patterns of a first light guide plate to form a first empty space, and wherein first flat surfaces of the first light guide plate are directly faced with second flat surfaces of the second light guide plate to form a second empty space narrower than the first empty space.. .
09/25/14
20140285747
Liquid crystal display with narrow bezel area
A liquid crystal display with a narrow bezel area includes a liquid crystal display panel displaying an image, a light source unit supplying light to the liquid crystal display panel, a light guide plate converting light irradiated by the light source unit into planar light, a cover bottom which includes a bottom part and side walls extending from edges of the bottom part to an upper side and receives the light source unit and the light guide plate, and a supporting member which surrounds an external surface of the cover bottom, extends from an upper part of the light guide plate to the inside of the cover bottom, and supports the liquid crystal display panel.. .
09/25/14
20140285730
Touch module and electronic apparatus
A touch module, adapted for an electronic apparatus and including a cover, a touch sensor layer, a flexible printed circuit board (fpc), a light-emitting element and a light guide film is provided. The cover has at least one transparent icon.


Popular terms: [SEARCH]

Light Guide topics: Light Guide, Light Guide Plate, Liquid Crystal Display, Liquid Crystal, Over The Air, Electric Conversion, Photoelectric Conversion, Display Panel, Optical Sensor, Terminal Equipment, Modulation, Microscopy, Led Substrate, Partitioning, Ceramic Substrate

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This listing is a sample listing of patent applications related to Light Guide for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Light Guide with additional patents listed. Browse our RSS directory or Search for other possible listings.
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