Patents Examined by Edward Glick
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Patent number: 9977280Abstract: Disclosed is a color filter on transistor (COT) type liquid crystal display device that may include red, green, blue and white pixels on a substrate; red, green and blue color filters in the red green and blue pixels, respectively, and a white pattern in the white pixel; a planarization layer on the red, green and blue color filters; and a column spacer on the planarization layer, wherein the column spacer and the white pattern are made of the substantially same material.Type: GrantFiled: November 13, 2014Date of Patent: May 22, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Tae-Young Kim, Woo-Jung Byun, Sang-Ho Lee
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Patent number: 9971175Abstract: A display device including a liquid crystal panel configured to selectively transmit light for each pixel of the liquid crystal panel; a light guide plate provided behind the liquid crystal panel; a light source array including a plurality of LEDs arranged in a row at first lateral side of the light guide plate, and configured to emit light to the first lateral side of the light guide plate; and a mirror provided in a second lateral side of the light guide plate and configured to reflect the light having reached the second lateral side back along the light guide plate.Type: GrantFiled: July 24, 2015Date of Patent: May 15, 2018Assignee: LG ELECTRONICS INC.Inventors: Seungmin Seen, Joonsung Sohn, Misook Kim
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Patent number: 9971201Abstract: A liquid crystal display is provided. The liquid crystal display includes a pair of substrates; and a pixel electrode and a common electrode provided on the pair of substrates and facing each other. The pixel electrode includes: a cross pattern at a center thereof; a plate electrode surrounding the cross pattern; and a plurality of minute branch electrodes extending in a diagonal direction outward from the plate electrode. A partial extension structure of the plate electrode is formed in at least a partial boundary region located between the plate electrode and the plurality of minute branch electrodes.Type: GrantFiled: May 12, 2015Date of Patent: May 15, 2018Assignee: Samsung Display Co., Ltd.Inventors: Cheol Shin, Haksun Chang, Kaeun Kim, Kichul Shin, Hokil Oh, Sehyun Lee
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Patent number: 9964790Abstract: The present disclosure provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a first substrate and a second substrate disposed opposite to the first substrate. The first substrate includes a first common electrode and a dielectric layer. The second substrate includes a second common electrode and a pixel electrode. The dielectric layer includes at least two dielectric sub-layers in a region corresponding to each pixel unit. Dielectric constants of the at least two dielectric sub-layer are different from each other.Type: GrantFiled: September 5, 2014Date of Patent: May 8, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiaoming Lu, Teruaki Suzuki
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Patent number: 9958688Abstract: The present invention provides a stereoscopic display, which comprises a backlight, a display panel, a phase delay film arranged at a light-exiting side of the display panel, and a visual angle adjusting baffle arranged between the backlight and the display panel and parallel to the display panel for adjusting a vertical or horizontal stereoscopic visual angle of the stereoscopic display. The shading strips of the visual angle adjusting baffle can be reflective strips which can reflect light from the backlight arriving at the reflective strips back to the backlight, and the light reflected by the reflective strips to the backlight can enter the display panel after passing through the transparent strips in the visual angle adjusting baffle, thus improving display brightness of the stereoscopic display.Type: GrantFiled: May 22, 2014Date of Patent: May 1, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Lifeng Lin, Hongming Zhan, Yongcan Wang
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Patent number: 9954044Abstract: A display apparatus includes a first substrate including a channel-forming area, a second substrate facing the first substrate, a thin-film transistor disposed on the first substrate, a pixel electrode electrically connected to the thin-film transistor, a gate line disposed on the first substrate and electrically connected to the thin-film transistor, a data line electrically connected to the thin-film transistor and divided into at least two portions such that the channel-forming area is disposed between the two portions of the data line, and a connection portion electrically connecting the two portions of the data line to each other, in which the thin-film transistor includes a gate electrode branched from the gate line and overlapping the channel-forming area, a semiconductor pattern overlapping the gate electrode and contacting the two portions of the data line so that the channel-forming area is disposed in the semiconductor pattern, and a drain electrode electrically connected to the pixel electrode andType: GrantFiled: April 22, 2015Date of Patent: April 24, 2018Assignee: Samsung Display Co., Ltd.Inventors: Dong Gun Oh, Seunghyun Park, JiEun Lee, Cheol-Gon Lee, Woongki Jeon
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Patent number: 9952470Abstract: A color film substrate comprises a underlying substrate, a shading layer on the underlying substrate and photo spacers on the shading layer. The photo spacer comprises a top surface, a bottom surface and side surfaces for connecting the top surface and the bottom surface, and the top surface comprises at least one inclined face portion unparallel to the bottom surface.Type: GrantFiled: May 6, 2015Date of Patent: April 24, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Xu, Hongfei Cheng, Yong Qiao
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Patent number: 9952468Abstract: One inventive aspect is a liquid crystal display panel. The panel includes an array substrate and an opposite substrate. Each of the array substrate and the opposite substrate include a display area and a non-display area. The panel also includes a liquid crystal layer sandwiched between the array substrate and the opposite substrate, a first alignment layer disposed on a surface of the array substrate facing the liquid crystal layer, and a second alignment layer disposed on a surface of the opposite substrate facing the liquid crystal layer. The first and second alignment layers define a first orientation direction in the display area, and the non-display area includes at least one electrode line. The first and second alignment layers also define a second orientation direction at least in the non-display area corresponding to the electrode line.Type: GrantFiled: June 10, 2015Date of Patent: April 24, 2018Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Zhaokeng Cao
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Patent number: 9946088Abstract: Stereoscopic display system assemblies may be configured to have optimal performance with passive, circular analyzing, cinema eyewear. They may comprise non-twisted electrically controlled birefringent liquid crystal modulators oriented at ±45° to the polarizer orientation of the eyewear. Exemplary embodiments may include single half-wave modulators with a crossing (i.e. negating) quarter wave films. The natural polarization state of the LCD may be rotated and cleaned-up when necessary to cross with the horizontal eyewear polarizer orientation. In an embodiment, the LC modulator substrate is positioned outermost for anti-reflection coating tolerance, durability and touch sensitivity.Type: GrantFiled: June 8, 2011Date of Patent: April 17, 2018Assignee: REALD INC.Inventors: Michael G. Robinson, Gary D. Sharp
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Patent number: 9939671Abstract: Disclosed is a liquid crystal module detection apparatus for detecting image-sticking, and a detection and evaluation system and method. The apparatus comprises: a sealed thermal-insulating transparent container (1), adapted to contain a liquid crystal module (5) to be tested; a temperature-control module, adapted to adjust the temperature inside the container; a signal generator module (4), adapted to provide a drive signal to the liquid crystal module to be tested. The apparatus employs a sealed, well thermal-insulating, transparent container, and utilizes the heat emitted from the panel and the backlight of the module itself to form a desired temperature environment for detection.Type: GrantFiled: December 17, 2012Date of Patent: April 10, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peilin Zhang, Jaegeon You
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Patent number: 9933664Abstract: A display panel and an encapsulation method thereof, and a liquid crystal display device are provided. The display panel comprises an array substrate and a color filter substrate, the array substrate and the color filter substrate are connected together via a sealant component, the array substrate comprises a display region and a peripheral region surrounding the display region, the sealant component comprises insulating sealant and conductive sealant and is disposed in the peripheral region of the array substrate, a gate electrode driving GOA circuit is disposed in the peripheral region of the array substrate, and the gate electrode driving GOA circuit and the conductive sealant are not located on the same side of the peripheral region of the display region.Type: GrantFiled: December 10, 2013Date of Patent: April 3, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Qinghua Jiang, Feng Qin, Xiaohe Li, Yong Liu, Xianjie Shao
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Patent number: 9933650Abstract: A liquid crystal display (LCD) device comprises a first pixel area; a second pixel area that is smaller than the first pixel area; a first pixel electrode formed in the first pixel area and having a first size; a first common electrode formed in the first pixel area, the first common electrode overlapping the first pixel electrode by a first overlap area; a second pixel electrode formed in the second pixel area and having a second size that is smaller than the first size of the first pixel electrode; a second common electrode formed in the second pixel area, the second common electrode overlapping the second pixel electrode by a second overlap area; wherein the first overlap area and the second overlap area are substantially the same.Type: GrantFiled: July 7, 2014Date of Patent: April 3, 2018Assignee: LG Display Co., Ltd.Inventors: Tae Yong Jung, Hyun Seok Hong
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Patent number: 9933654Abstract: A polarizer for use in an IPS-LCD includes: a polarizing element; and a retardation film laminate attached to a surface of the polarizing element. The retardation film laminate includes a combination of a +B film and a ?B film or a combination of a +B film and a +A film.Type: GrantFiled: August 14, 2015Date of Patent: April 3, 2018Assignee: LG CHEM, LTD.Inventors: Jun Won Chang, Moon Soo Park
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Patent number: 9927659Abstract: A liquid crystal display includes a plurality of pixels, a lower substrate and an upper substrate facing each other, a liquid crystal layer disposed between the lower substrate and the upper substrate, a pixel electrode disposed on the lower substrate and including a plurality of sub-regions which differently controls an inclination direction of liquid crystal molecules included in the liquid crystal layer for a pixel of the plurality of pixels, and a gate line disposed on the lower substrate and including a portion which overlaps a boundary between adjacent sub-regions of the plurality of sub-regions of the pixel electrode.Type: GrantFiled: October 23, 2013Date of Patent: March 27, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun-Kil Park, Wan-Soon Im, Yong Woo Hyung
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Patent number: 9927663Abstract: A liquid crystal display device includes a first substrate including a first pixel electrode, a second pixel electrode, and a third pixel electrode, a second substrate including a first color filter opposed to the first pixel electrode, a second color filter opposed to the second pixel electrode, and a third color filter opposed to the third pixel electrode, and a liquid crystal layer held between the first substrate and the second substrate, a first interval along the first direction between the first pixel electrode and the second pixel electrode being smaller than a second interval along the first direction between the second pixel electrode and the third pixel electrode.Type: GrantFiled: June 11, 2015Date of Patent: March 27, 2018Assignee: Japan Display Inc.Inventors: Kayoko Miyazaki, Keiji Tago
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Patent number: 9927649Abstract: Embodiments of a display device and a method of reducing optical leakage from a backlight unit of a display device are described. The display device includes a backlight unit, an image generating unit coupled to the backlight unit and a blocking structure. The backlight unit is configured to transit light to the image generating unit and the blocking structure is configured to prevent the light from reaching the image generating unit without passing through the optical processing unit. The backlight unit includes a light source unit and an optical processing unit having a quantum dot film coupled to the light source unit. The method of reducing optical leakage from the backlight unit of the display device includes providing a first blocking structure to a portion of the light source unit and providing a second blocking structure to a portion of the optical processing unit.Type: GrantFiled: November 4, 2014Date of Patent: March 27, 2018Assignee: NANOSYS, INC.Inventors: Jian Chen, Steven Gensler
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Patent number: 9927642Abstract: A display unit for a vehicle includes a screen module and a cover. A bracket supports the screen module and the cover. The bracket extends between the screen module and the cover and includes an attachment portion configured to engage the vehicle. The bracket also includes a heat sink adjacent the screen module for dissipating heat from the screen module during operation.Type: GrantFiled: June 18, 2015Date of Patent: March 27, 2018Assignee: FORD GLOBAL TECHNOLOGIES, LLCInventors: Mark Larry, Mark Vincent Burns, Tanmoy Joshi, Patrick Badaru
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Patent number: 9921363Abstract: This backlight device (illumination device) is provided with (LEDs) light source; a light guide plate having a light-receiving face that opposes the LEDs and where light from the LEDs is incident, and a light-exiting surface where the incident light is emitted; and an optical sheet (optical member) arranged in opposition to the light-exiting surface of the light guide plate and imparting an optical effect to the light emitted from the light-exiting surface. Here, the optical sheet has, in at least one portion thereof, a chromaticity correction region for which x and y chromaticity coordinate values in a CIE 1931 color space both decrease with distance from the LEDs.Type: GrantFiled: September 20, 2013Date of Patent: March 20, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Yoji Inui, Hiromi Enomoto
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Patent number: 9915848Abstract: A display device having fewer alignment defects is provided. A display device having a high aperture ratio and including a capacitor with increased charge capacity is provided. A display device having a high aperture ratio, including a capacitor with large charge capacity, and having fewer alignment defects is provided. The display device includes a pixel electrode, a transistor including a light-transmitting semiconductor layer connected to the pixel electrode, and a capacitor, a scan line, and a data line connected to the transistor. The transistor is arranged to overlap with the scan line. One of electrodes of the capacitor is formed on the same surface where the semiconductor layer is formed, and is formed in a region divided by the scan lines and the data lines. The other of the electrodes of the capacitor is a pixel electrode. The pixel electrode extends so as to intersect with the scan line.Type: GrantFiled: April 10, 2014Date of Patent: March 13, 2018Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Daisuke Kubota
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Patent number: 9904086Abstract: A variable liquid crystal optical device for controlling the propagation of light has one or more transparent thin-film highly-resistive layer (HRL) coupled to a substrate and an electrode structure. The HRL has core layer and a cover or proximity layer, wherein the core layer material has a higher electrical conductivity and higher refractive index than the cover layer material; and wherein the core and cover layer materials have substantially the same free energies of formation of oxide. In this way, the electrode structure will be environmentally stable and responsive to an applied electrical current to generate a spatially non-uniform magnetic field.Type: GrantFiled: December 17, 2014Date of Patent: February 27, 2018Assignee: LENSVECTOR INC.Inventors: Tigran Galstian, Jean-François Viens, Amir Tork