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Liquid Crystal patents

      

This page is updated frequently with new Liquid Crystal-related patent applications.




 Thin film transistor array substrate and fabricating method thereof, and liquid crystal display patent thumbnailnew patent Thin film transistor array substrate and fabricating method thereof, and liquid crystal display
A thin film transistor array substrate includes a pixel electrode layout area, a data electrode layout area, a transparent pixel electrode layer formed in the pixel electrode layout area, a first metal layer, a first dielectric layer, an amorphous silicon layer, a second metal layer, a second dielectric layer formed in the pixel electrode layout area and the data electrode layout area. The first dielectric layer covers the first metal layer.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


 Liquid crystal display device and  manufacturing the same patent thumbnailnew patent Liquid crystal display device and manufacturing the same
Provided are liquid crystal display and the method for manufacturing the same. According to an aspect of the present invention, there is provided a liquid crystal display device, including a first substrate; a gate electrode disposed on the first substrate; a semiconductor pattern layer disposed on the gate electrode; and a source electrode and a drain electrode disposed on the semiconductor pattern layer and facing each other, wherein a diffusion prevention pattern is disposed on the semiconductor pattern layer to prevent diffusion into the semiconductor pattern layer or to maintain uniform thickness of the semiconductor pattern layer..
Samsung Display Co., Ltd.


 Wet etching apparatus patent thumbnailnew patent Wet etching apparatus
The present invention provides a wet etching apparatus. The wet etching apparatus comprises: an etching chamber, comprising an etching chamber inlet at a front end and an etching chamber outlet at a rear end, wherein in the etching chamber, a film to be etched on a substrate is subject to etching with an etching liquid; and a decrystallization device, which washes residual etching liquid or etching liquid crystal formed by the etching liquid at the etching chamber inlet and/or etching chamber outlet with a washing liquid.
Boe Technology Group Co., Ltd.


 Liquid crystal display device patent thumbnailnew patent Liquid crystal display device
A liquid crystal display device includes a gate driving unit connected to an ith gate line and a first compensation line, a data driving unit connected to a jth data line and a pixel unit including a first switching element including a first electrode connected to the jth data line, a pixel electrode connected to second electrode of the first switching element, and a compensation capacitor including a first electrode connected to the first compensation line and a second electrode connected to the pixel electrode, where the gate driving unit includes a second switching element including a gate electrode connected to an i−1th gate line, a first electrode connected to a reset line, and a second electrode connected to the first compensation line, and a third switching element including a gate electrode connected to an i+1th gate line and a first electrode connected to the first compensation line.. .
Samsung Display Co., Ltd.


 Display apparatus with lighting device, control  display apparatus, and storage medium patent thumbnailnew patent Display apparatus with lighting device, control display apparatus, and storage medium
A display apparatus includes light-emitting units, a liquid crystal panel, a representative luminance acquisition unit for acquiring luminance values of the light-emitting units, an hpf processing unit for acquiring hpf luminance values of the light-emitting units by increasing the luminance value of a target light-emitting unit, which is greater than that of a neighboring light-emitting unit, according to a difference of the luminance value of the target light-emitting unit and that of the neighboring light-emitting unit, a smoothing processing unit for acquiring correction luminance values of the light-emitting units by increasing the hpf luminance value of a target light-emitting unit, which is smaller than that of a neighboring light-emitting unit, according to a difference of the hpf luminance value of the target light-emitting unit and that of the neighboring light-emitting unit, and a light-emission control unit for controlling light emission of the light-emitting units using the correction luminance values.. .
Canon Kabushiki Kaisha


 Method and  controlling liquid crystal display brightness, and liquid crystal display device patent thumbnailnew patent Method and controlling liquid crystal display brightness, and liquid crystal display device
This disclosure provides a method, and a liquid crystal display device, and relates to the field of liquid crystal display technologies, where the method includes: determining grayscale values of pixels in zone image data block under a predetermined rule according to a received image signal, and pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values in the zone image data block; determining a backlight gain coefficient according to a backlight value gain variable and an ambient luminance revision variable, and multiplying the zone backlight value with the backlight gain coefficient to obtain backlight values of a backlight zone corresponding to the zone image data block to which a gain is applied, wherein the backlight value gain variable is determined by the grayscale values, and the ambient luminance revision variable is determined by ambient luminance; and outputting the backlight value of the backlight zone to a driver circuit of backlight source in the backlight zone to control the brightness of the backlight source in the backlight zone as a result of driving, thus improving the effect of the contrast quality of pictures of the liquid crystal display device.. .
Hisense International Co., Ltd.


 Method and  controlling liquid crystal display brightness, and liquid crystal display device patent thumbnailnew patent Method and controlling liquid crystal display brightness, and liquid crystal display device
This disclosure provides a method and apparatus for controlling liquid crystal display brightness, and a liquid crystal display device, and relates to the field of liquid crystal display technologies, where the method includes: determining grayscale values of all pixels in a zone image data block under a predetermined rule according to a received image signal, and pre-obtaining a zone backlight value corresponding to the zone image data block according to the grayscale values; multiplying the pre-obtained zone backlight value with a backlight value gain coefficient to obtain a backlight value of a backlight zone corresponding to the zone image data block to which a gain is applied, wherein the backlight value gain coefficient is more than 1; and outputting the backlight value of the backlight zone to a driver circuit of backlight source in the backlight zone to control the brightness of the backlight source in the backlight zone as a result of driving, thus improving the effect of contrast quality of pictures displayed by the liquid crystal display device.. .
Hisense International Co., Ltd.


 Liquid crystal display device, television receiver and  controlling backlight of liquid crystal display device patent thumbnailnew patent Liquid crystal display device, television receiver and controlling backlight of liquid crystal display device
According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a backlight, a liquid crystal driving unit and a backlight driving unit. In each area, when the brightness level calculated based on the video signal is greater than or equal to a first threshold level, the backlight driving unit fixes a driving current supplied to the light emitting elements in one frame period and controls a lighting time according to the calculated brightness level.
Toshiba Lifestyle Products & Services Corporation


 Liquid crystal tv set, and  adjusting backlight driving voltage thereof patent thumbnailnew patent Liquid crystal tv set, and adjusting backlight driving voltage thereof
This disclosure relates to a liquid crystal tv set, and a method and apparatus for adjusting backlight driving voltage thereof, and the method for adjusting backlight driving voltage includes: comparing backlight driving current with reference driving current to obtain voltage feedback data, while a backlight source is being driven; making overvoltage adjustment to the voltage feedback data to generate overvoltage feedback data; and adjusting backlight driving voltage using the overvoltage feedback data to overvoltage-drive the backlight source by the adjusted backlight driving voltage. The liquid crystal tv set, and the method and apparatus for adjusting backlight driving voltage thereof according to this disclosure can improve the response speed of backlight in the liquid crystal tv set while the backlight source is being driven..
Hisense Electric Co., Ltd.


 Field sequential display panel, field sequential display device and driving method patent thumbnailnew patent Field sequential display panel, field sequential display device and driving method
A field sequential display panel, a field sequential display device and a driving method are provided. The field sequential display panel includes: a lower substrate, including a base substrate and a plurality of pixel units disposed on the base substrate, each of the plurality of pixel units including a thin film transistor; an upper substrate; and a liquid crystal layer, located between the lower substrate and the upper substrate; an oled light source, disposed on a side of the base substrate away from the thin film transistor, which is configured for providing trichromatic light for each of the plurality of pixel units, the oled light source including: a plurality of trichromatic light source units, each trichromatic light source unit including a sub-light-source of a first color, a sub-light-source of a second color and a sub-light-source of a third color, the first color, the second color and the third color are colors different from each other.
Beijing Boe Optoelectronics Technology Co., Ltd.


new patent

Display device and driving the same

A display device and a method for driving the display device are provided, which pertain to the technical field of display, and can reduce the negative influence of data lines in a rgbw display device on the light transmittance. The display device comprises a display panel having a plurality of pixel units arranged as an array.
Shenzhen China Star Optoelectronics Technology Co., Ltd.

new patent

Touch sensor and liquid crystal display including the same

There are provided a touch sensor and a liquid crystal display including the same. A touch sensor includes a plurality of driving electrodes, a plurality of sensing electrodes intersecting the driving electrodes, a plurality of piezoelectric materials disposed between the driving electrodes and the sensing electrodes at intersection points of the driving electrodes and the sensing electrodes, and a touch controller for detecting a touch position and a touch pressure by using sensing signals output from the sensing electrodes..
Samsung Display Co., Ltd.

new patent

Method of producing polarizing light-emitting film using photoluminescent ferroelectric liquid crystal molecules and liquid crystal display comprising the same

According to the present invention, it is possible to produce the polarizing light-emitting film in which the photoluminescent ferroelectric liquid crystal molecules are uniaxially oriented to simultaneously act as the liquid crystal layer, the polarizing plate, and the color filter, and the liquid crystal display including the polarizing light-emitting film is capable of improving polarization and contrast, and implementing colors even without one polarizing plate and color filter, thereby increasing light efficiency and power efficiency and reducing production cost.. .

new patent

Liquid crystal display device

A liquid crystal display device includes a thin-film transistor (tft) substrate and a counter substrate disposed opposite to the tft substrate. The tft substrate has a scanning line, a video signal line, and a tft formed thereon, the tft being connected to the scanning line and video signal line.
Japan Display Inc.

new patent

Method and device for repairing bright dot in liquid crystal display panel and liquid crystal display panel with bright dots repaired

The present invention provides a method and a device for repairing a bright dot in a liquid crystal display panel, and a liquid crystal display panel with bright dots repaired, wherein the method comprises the step of removing a first electrode connected to abridge located between a pixel electrode and a data line so that the voltage signal provided by the data line to the pixel electrode would be stopped. By the above-described process, the present invention is able to convert bright dots into dark ones, and thereby the scrap rate of a liquid crystal display panel can be reduced significantly which improves the yield rate of products..
Wuhan China Star Optoelectronics Technology Co., Ltd.

new patent

Liquid crystal display device

A first substrate includes a gate line extending in a first direction, a first interlayer insulating film covering the gate line, a first common electrode formed on the first interlayer insulating film extending in a second direction crossing the first direction, a second interlayer insulating film covering the first common electrode, a source line extending in the second direction, and a third interlayer insulating film covering the source line. A pixel electrode includes a main pixel electrode extending in the second direction on the third interlayer insulating film.
Japan Display Inc.

new patent

Liquid crystal display having oriented pixel elements

A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation..
Samsung Display Co., Ltd

new patent

Fast response liquid crystal display panel

A fast response liquid crystal display panel includes a first comb electrode arranged on a surface of an upper substrate that is adjacent to a liquid crystal layer and a second comb electrode arranged on a surface of a lower substrate that is adjacent to the liquid crystal layer. The first comb electrode includes a plurality of first elongate electrodes that are parallel to and spaced from each other and the second comb electrode includes a plurality of second elongate electrodes that are parallel to and spaced from each other.
Wuhan China Star Optoelectronics Technology Co., Ltd.

new patent

Liquid crystal element

The present application relates to a liquid crystal element and a use of the liquid crystal element. The exemplary liquid crystal element of the present application is, for example, an element capable of realizing a normally transparent mode, having a high contrast ratio, and being driven with a low driving voltage.
Lg Chem, Ltd.

new patent

Liquid crystal display device

A liquid crystal display device includes a first polarizing film, a first compensation film on the first polarizing film, the first compensation film including a biaxial film, a second compensation film on the first compensation film, the second compensation film including a negative c-plate film, a substrate on the second compensation film, a liquid crystal layer on the substrate, a second polarizing film on the liquid crystal layer, and a color conversion filter on the second polarizing film.. .
Samsung Display Co., Ltd.

new patent

Direct-lit type backlight source and liquid crystal television

A direct-lit type backlight source includes a backplate and a point light source array disposed on the backplate. A light output shape of a first optical lens employed by each of point light sources of corner regions of the point light source array and that of a second optical lens employed by each of a plurality of point light sources of the non-corner region are different.
Kaistar Lighting (xiamen) Co., Ltd.

new patent

Method for manufacturing liquid crystal cell, liquid crystal cell, and display device

Provided is a method for manufacturing a liquid crystal cell, comprising the steps of: providing frame-sealing glue between an array substrate and a transparent plate of a color filter substrate; irradiating the frame-sealing glue from a side of the color filter substrate facing away from the array substrate with ultraviolet light until the frame-sealing glue is cured, so as to fixedly connect the transparent plate and the array substrate; and forming a light-shielding layer on a side of the transparent plate facing away from the array substrate, wherein the light-shielding layer has a projection along a vertical direction covering the frame-sealing glue. A liquid crystal cell manufactured through such a method has superior display effects..
Wuhan China Star Optoelectronics Technology Co. Ltd.

new patent

Display device having planarized surface

A display device according to an exemplary embodiment includes: a substrate; a thin film transistor disposed on the substrate; an electrode connected with the thin film transistor; a roof layer disposed on the electrode, while interposing a microcavity therebetween; an injection hole disposed along a side surface of the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer covering the injection hole of the microcavity. The roof layer comprises a first portion disposed adjacent to the injection hole, and a second portion other than the first portion, and a height from the substrate to an upper surface of the first portion is lower than the height from the substrate to an upper surface of the second portion..
Samsung Display Co., Ltd.

new patent

Sealed transparent liquid crystal display assembly

A sealed, transparent electronic display assembly is disclosed. The assembly preferably contains a front and a rear transparent panel.
Manufacturing Resources International, Inc.

new patent

Display module and liquid crystal display device including the same

A display module, and a liquid crystal display (lcd) device including the same, includes a guide panel surrounding a side surface of a liquid crystal panel. The guide panel and a cover bottom are fastened to each other by hooks..
Lg Display Co., Ltd.

new patent

Liquid crystal display device

A liquid crystal display device with a pair of substrates which are arranged to face each other with liquid crystal therebetween, columnar spacers having the substantially equal height formed on a liquid-crystal-side surface of one substrate, and the columnar spacers include the columnar spacer which is contact with a liquid-crystal-side surface of another substrate and the columnar spacer which is not contact with the liquid-crystal-side surface of another substrate.. .
Panasonic Liquid Crystal Display Co., Ltd.

new patent

Liquid crystal display device

A display device may include a first pixel electrode, a second pixel electrode, an organic layer, and a light-blocking member. The organic layer may include a first organic portion and a second organic portion.
Samsung Display Co. Ltd.

new patent

Liquid crystal display panel and manufacturing the same and liquid crystal display apparatus

The present disclosure provides a liquid crystal display panel having a long side defining a first direction and a short side defining a second direction, and the long side has a length greater than that of the short side. The liquid crystal display panel includes a first substrate, a second substrate and a plurality of spacers arranged between the first substrate and the second substrate, wherein liquid crystal droplets are able to flow among the plurality of spacers, and wherein the plurality of spacers are configured and arranged such that a sum of cross sectional areas of the plurality of spacers per unit length in the first direction is greater than a sum of cross sectional areas of the plurality of spacers per unit length in the second direction.
Hefei Boe Optoelectronics Technology Co., Ltd.

new patent

Method for forming alignment film and liquid crystal display

The invention provides a method for forming an alignment film and a liquid crystal display. The method for forming an alignment film includes: providing a substrate, the substrate including a display region and a non-display region, the display region with a plurality of sides, a corner formed by two adjacent sides, the non-display region disposed to surround the display region; disposing a first alignment liquid on the display region of the substrate; disposing a second alignment liquid on the non-display region of the substrate and surrounding corners of the display region; toasting the first alignment liquid and the second alignment liquid to form an alignment film..
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

new patent

Liquid crystal display device

Provided is a liquid crystal display device in which color reproducibility and brightness are improved. The liquid crystal display device includes a backlight that emits unpolarized blue light, a quantum rod layer which is provided on an emission side of the backlight and converts some of blue light to red linearly polarized light and green linearly polarized light using multiple quantum rods, a reflective polarizing layer which is provided on a side from which the red linearly polarized light and the green linearly polarized light of the quantum rod layer are emitted, and a liquid crystal panel disposed on a blue linearly polarized light emission side of the reflective polarizing layer, and a long axis direction of the quantum rods in the quantum rod layer and a polarization direction of the blue linearly polarized light emitted from the reflective polarizing layer are parallel to each other..
Fujifilm Corporation

new patent

Light dimmer module, light dimmer system, and imaging device

There is provided a light dimmer module including a liquid crystal layer disposed between a pair of electrodes, and a transmittance sensor that detects light transmittance of the liquid crystal layer.. .
Sony Corporation

new patent

Power conversion circuit for switching viewing angle and liquid crystal display

A power conversion circuit for switching the viewing angle of an lcd, includes an input terminal, an output terminal, a switching unit, an isolating unit, an output unit, a first power supply, a second power supply, and a third power supply. When the input terminal is provided with a low level voltage, the switching unit is switched on, the voltage of the second power supply is provided as a first dc voltage to the output terminal via the switching unit and the isolating unit.
Infovision Optoelectronics (kunshan) Co., Ltd.

new patent

Liquid crystal display device

A liquid crystal display device includes a liquid crystal layer between first and second substrate. The first substrate includes a first and second sub-pixel areas.
Samsung Display Co., Ltd.

new patent

Array substrate and preparing the same, liquid crystal panel

An array substrate includes a glass substrate and a plurality of pixel structures formed on the glass substrate, each pixel structure includes a light transmitting region and a light non-transmitting region, wherein the light non-transmitting region includes a gate electrode, a gate insulating layer, an active layer, a source electrode, a drain electrode and a passivation layer sequentially formed on the glass substrate; and the light transmitting region includes a pixel electrode which is directly formed on the glass substrate, and the pixel electrode extends to the light non-transmitting region and is electrically connected to the source electrode or the drain electrode. A method of preparing the array substrate and a liquid crystal panel including the array substrate are also provided..
Shenzhen China Star Optoelectronics Technology Co. , Ltd.

new patent

Electrode applicable in liquid crystal display, array substrate, display panel and display device

An electrode applicable in liquid crystal display (lcd), an array substrate, a display panel, and a display device are provided. The electrode applicable in lcd includes a plurality of electrode comb teeth with a slit therebetween, adjacent electrode comb teeth being connected to each other at one end of each comb tooth; the other ends of the adjacent electrode comb teeth forming an opening, at least one protrusion being provided between the adjacent electrode comb teeth at the opening end; and the protrusion being connected to the electrode comb tooth..
Chengdu Boe Optoelectronics Technology Co., Ltd.

new patent

Lens, lens blank, and eyewear

A lens includes a lens body, and an electro-active section (liquid crystals and a diffraction section) that is provided to a region of part of the lens body. The lens includes a pair of electrodes that are embedded in the lens body, that are electrically connected to a focal length modification section, that extend downward from an upper side end of the lens body, and that are disposed substantially parallel to each other spaced apart in a width direction orthogonal to an up-down direction of the lens body.
Mitsui Chemicals, Inc.

new patent

Grating, display device, and manufacturing grating

A grating, a manufacturing method of grating and a display device are disclosed. The grating comprises a first substrate (21) and a second substrate (22) which are oppositely disposed; a first transparent electrode (23) which has a grating structure and is disposed on a side of the first substrate (21) facing towards the second substrate (22); a second transparent electrode (24) which is disposed on a side of the second substrate (22) facing towards the first substrate (21) and is disposed to be opposite to the first transparent electrode (23); and a polymer layer (25) which is disposed between the first transparent electrode (23) and the second transparent electrode (24), the polymer layer containing therein nano-sized material converting electromagnetic energy into heat energy and liquid crystalline elastomers.
Beijing Boe Optoelectronics Technology Co., Ltd.

new patent

Light-source device and liquid crystal display apparatus

A backlight 200 is provided with a frame body 9 that is in contact with a side surface of a light guide plate 5, and a non-light emitting region surrounding a light emitting region of a light emitting surface of an led 60. The side surface of the light guide plate 5 and the led 60 can be brought close to each other, while preventing a contact therebetween by means of the frame body 9.
Sakai Display Products Corporation

new patent

Backlight module with non-planar lateral structure and liquid crystal display apparatus using the same

A backlight module with a non-planar lateral structure and lcd apparatus using the same are described. The backlight module comprises a light source; and a light guide body comprising a lateral incident surface and a non-planar lateral structure adjacent to the emitting surface and the bottom surface therebetween; wherein the non-planar lateral structure is opposite lateral incident surface, and a first incident light and a second incident light pass through the lateral incident surface and enter the light guide body; and wherein the non-planar lateral structure reflects and refracts the first incident light so that the reflected and refracted light of the first incident light returns from the non-planar lateral structure back to the light guide body, and the returned first incident light and the second incident light are reflected again from the bottom surface and emitted from the emitting surface to an lcd panel..
Wuhan China Star Optoelectronics Technology Co., Ltd.

new patent

Optical film, liquid crystal display device comprising same, and manufacturing protective film used therefor

An optical film, a liquid crystal display including the same, and a method for manufacturing a protective film used therefor are provided. An optical film includes a polarizer and a protective film laminated or stacked on at least one surface of the polarizer, and a thickness-direction retardation (re) of the protective film is in the range of 0 nm to 200 nm, and an out-of-plane retardation (rth) of the protective film is in the range of 300 nm to 1,200 nm..
Samsung Sdi Co., Ltd.



Liquid Crystal topics:
  • Liquid Crystal
  • Liquid Crystal Display
  • Display Panel
  • Electronic Device
  • Touch Panel
  • Ultraviolet
  • Circulation
  • Visibility
  • Differential Signal
  • Feedback Signal
  • Line Driver
  • Control Unit
  • Output Enable
  • Enable Signal
  • Data Transfer


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    This listing is a sample listing of patent applications related to Liquid Crystal 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 Liquid Crystal with additional patents listed. Browse our RSS directory or Search for other possible listings.


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