Patents Examined by Sang V Nguyen
  • Patent number: 11372294
    Abstract: Provided is a display device. The display device includes a data line extending in a first direction, a reflective electrode on the data line, and a transistor formed between the data line and the reflective electrode. The transistor includes a first electrode connected to the data line, a second electrode spaced apart from the first electrode in the first direction and connected to the reflective electrode, and a semiconductor layer connecting the first electrode and the second electrode.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: June 28, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Ji Hun Choi
  • Patent number: 11372299
    Abstract: A display panel includes a first substrate; a scan line and a data line disposed on the first substrate and extending in a first direction and a second direction, respectively, wherein the data line intersects the scan line; a polysilicon layer disposed on the first substrate. In a top view, the polysilicon layer includes: a first channel region overlapping a portion of the scan line; a second channel region overlapping another portion of the scan line; a non-channel region not overlapping the scan line and connected between the first channel region and the second channel region; a long region extended in the second direction; wherein a portion of the non-channel region extends in the first direction, the portion has a first width in the second direction, the long region has a second width in the first direction, and the first width is greater than the second width.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: June 28, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Hsing-Yi Liang, Kuei-Ling Liu, Te-Yu Lee
  • Patent number: 11374034
    Abstract: A display panel includes a pixel array, a plurality of first wirings, a plurality of second wirings, a conductive line and an insulation layer. The pixel array includes a plurality of first pixels and a plurality of second pixels. The first wirings are electrically connected to the first pixels, respectively. The second wirings are electrically connected to the second pixels, respectively. The conductive line extends to partially overlap the second wirings and is electrically connected to the second wirings, in which the conductive line is configured to provide a same-color signal to the second pixels. The insulation layer is disposed between the first wirings and the conductive line.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: June 28, 2022
    Assignee: AU OPTRONICS CORPORATION
    Inventor: Meng-Ting Hsieh
  • Patent number: 11353729
    Abstract: A liquid crystal display device includes a plurality of pixels each including a pixel electrode and a counter electrode provided with a liquid crystal layer interposed therebetween, a drive circuit layer on a surface side of the pixel electrode opposite to a surface side on which the liquid crystal layer is provided, in which a drive circuit is formed including a drive transistor that controls application of a potential to the pixel electrode, a drive-side substrate on a surface of the drive circuit layer opposite to a surface on which the pixel electrode is provided and a counter-side substrate on a surface of the counter electrode opposite to a surface on which the liquid crystal layer is provided, in which the drive circuit layer includes a wire grid polarizer facing the pixel electrode, the wire grid polarizer includes metal wires extending in one direction, and given a predetermined potential.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: June 7, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Moriyasu Nagura
  • Patent number: 11353762
    Abstract: A display device comprises a first pixel including a first transistor including a first control electrode, a first input electrode, and a first output electrode spaced apart from the first input electrode and a first pixel electrode connected to the first output electrode, a second pixel adjacent to the first pixel in a first direction and including a second transistor including a second control electrode, a second input electrode, and a second output electrode spaced apart from the second input electrode and a second pixel electrode connected to the second output electrode, and a scan line for providing a scan signal to the first and second control electrodes. The first and second input electrodes are disposed in a second direction intersecting the first direction from the first and second output electrodes, respectively, and the first input electrode includes a first extension portion extending toward the second output electrode.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: June 7, 2022
    Inventors: Dong Hee Shin, Geunho Lee, Yonghee Lee
  • Patent number: 11347122
    Abstract: Provided is a display apparatus including a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a gate line, a data line, a storage electrode, and a switching element. The switching element is connected to a data line and a gate line. The first substrate further includes a pixel electrode, a shielding electrode, and first and second capacitor electrodes. The pixel electrode is connected to an output electrode of the switching element, and the shielding electrode includes a line portion disposed along the data line and an extension portion extended from the line portion. The first capacitor electrode is extended from the output electrode and overlaps the pixel electrode and the storage electrode. The second capacitor electrode is disposed spaced apart from the first capacitor electrode and overlaps the extension portion electrode the shielding electrode and the storage electrode.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: May 31, 2022
    Inventor: Huigyeong Yun
  • Patent number: 11346997
    Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventors: Kazunari Nishita, Ken Sugiyama, Tetsuro Ochi, Toshiyuki Tsubota
  • Patent number: 11347123
    Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: May 31, 2022
    Assignee: Japan Display Inc.
    Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
  • Patent number: 11340508
    Abstract: A display device according to an aspect includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions that overlap the first light-transmitting electrodes in a plan view and are provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light emitter configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode and a conductive metal layer. The third light-transmitting electrode at least partially overlaps the first light-transmitting electrode in the plan view with an inorganic insulating layer interposed therebetween, and the conductive metal layer is stacked on the third light-transmitting electrode.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: May 24, 2022
    Assignee: Japan Display Inc.
    Inventors: Hiroki Sugiyama, Yoshihide Ohue, Manabu Mizuno, Kentaro Okuyama
  • Patent number: 11341924
    Abstract: It is an object of the present invention to provide a display device in which problems such as an increase of power consumption and increase of a load of when light is emitted are reduced by using a method for realizing pseudo impulsive driving by inserting an dark image, and a driving method thereof. A display device which displays a gray scale by dividing one frame period into a plurality of subframe periods, where one frame period is divided into at least a first subframe period and a second subframe period; and when luminance in the first subframe period to display the maximum gray scale is Lmax1 and luminance in the second subframe period to display the maximum gray scale is Lmax2, (½) Lmax2<Lmax1<( 9/10) Lmax2 is satisfied in the one frame period, is provided.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: May 24, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasunori Yoshida, Hajime Kimura
  • Patent number: 11333823
    Abstract: A display device includes a display panel, and a supporting unit that supports the display panel, the supporting unit having a first portion, a second portion and a third portion that are arranged relative to each other, the first portion protruding toward the display panel relative to the second portion, the second portion protruding toward the display panel relative to the third portion, the second portion of the supporting unit having at least one projection that protrude away from the display panel relative to the second portion, the at least one projection being configured and arranged to support a member of the display device at a rear of the supporting unit.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 17, 2022
    Assignee: FUNAI ELECTRIC CO., LTD.
    Inventors: Akira Yokawa, Yuki Kita, Akihiro Fujikawa, Yasuyuki Fukumoto, Yasuhiro Mori, Yuto Suzuki, Hirofumi Horiuchi, Hirohiko Tsuji, Takahito Yamanaka, Hideo Yonezawa, Akifumi Kono
  • Patent number: 11327378
    Abstract: An array substrate includes a base substrate, a plurality of gate lines extending in a row direction on the base substrate, a plurality of data lines extending in a column direction intersecting the row direction on the base substrate, and a plurality of pixel groups in rows and columns, each including two sub-pixels side by side in the row direction. Each of the rows of pixel groups is connected to two respective ones of the gate lines, and the two sub-pixels of each pixel group in the row of pixel groups are respectively connected to different ones of the two respective gate lines. The data lines and the columns of pixel groups are alternately arranged in the row direction, and the two sub-pixels of each of the plurality of pixel groups are connected to a corresponding one of the plurality of data lines directly adjacent to the pixel group.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 10, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hongfei Cheng, Pan Li
  • Patent number: 11322523
    Abstract: To reduce a reduction in the quality of a displayed image in portions corresponding to source lines including detour portions in a display area. Gate lines (20) and source lines (30), which intersect with each other, extend on an insulating substrate (1) so as to detour an opening area (A1). Separated portions (24) are provided as lower shielding electrodes (23) in an inner non-display area (A2) so as to be overlapped with source detour portions (31) of the source lines (30) in a plan view.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: May 3, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Keiichi Ina, Yasuyoshi Kaise
  • Patent number: 11314130
    Abstract: A display device includes: a first substrate; a second substrate overlapping the first substrate; a common electrode disposed on the second substrate; a column spacer disposed between the pixel electrode and the common electrode; and a plurality of pixels. Each of the plurality of pixels includes a transistor disposed on the first substrate and a pixel electrode electrically connected to the transistor through a hole. The display device further includes a plurality of column spacers disposed between the pixel electrode and the common electrode. The plurality of column spacers include a main spacer having a first height and a sub-spacer having a second height that is different from the first height. At least one of the main spacer and the sub-spacer includes a first spacer having a first planar area and a second planar spacer having a second planar area that is different from the first planar area.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: April 26, 2022
    Inventors: Jun Bo Sim, Ju Yong Park, Da Young Lee, Jeong Uk Heo
  • Patent number: 11314106
    Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state when a voltage is applied, and a polarizer, wherein each of the first and second polymer film substrates have in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: April 26, 2022
    Inventors: Min Jun Gim, Eun Jung Lim, Jung Sun You, Dong Hyun Oh, Hyun Jun Lee, Nam Hun Kim
  • Patent number: 11307467
    Abstract: An electrostatic discharge circuit and a display panel. The electrostatic discharge circuit includes a first conductive path and a second conductive path. An input end of the first conductive path is connected to a data signal of the display panel, and an output end is connected to a first power voltage for releasing positive charge accumulated in the display panel. An input end of the second conductive path is connected to the data signal of the display panel, and an output end is connected to a second power voltage for releasing negative charges accumulated in the display panel.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: April 19, 2022
    Inventor: Zhenfei Cai
  • Patent number: 11294246
    Abstract: The invention relates to a light modulation device for a display for representing two- and/or three-dimensional image content or image sequences. The light modulation device comprises a light modulator and a controller. The phase and/or the amplitude of a light wave field, which is substantially collimated, can be varied by means of the light modulator depending on the location of the light modulator. The light modulator can be actuated by means of the control device. According to the invention, in the direction of propagation of the light wave field, at least one diffracting unit is arranged downstream of the light modulator. The diffracting unit has a variable diffracting structure. By means of the diffracting structure, the light wave field varied by the light modulator can be diffracted in a variable and predeterminable manner. Further, the present invention relates to a display and a method for producing a light modulation device.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: April 5, 2022
    Assignee: SEEREAL TECHNOLOGIES S.A.
    Inventors: Bo Kroll, Norbert Leister, Gerald Futterer, Robert Missbach, Stephan Reichelt
  • Patent number: 11287708
    Abstract: The present invention provides a liquid crystal display (LCD) panel comprising a color film substrate, a thin film transistor substrate, and a photo spacer. Wherein the photo spacer is disposed on the color film substrate or/and the thin film transistor substrate. The color film substrate or/and the thin film transistor substrate are provided with a recess. At least a portion of the photo spacer disposed on one of the color filter substrate and the thin film transistor substrate and the recess disposed on the other of the color filter substrate and the thin film transistor substrate are nested.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: March 29, 2022
    Assignee: Wuhan Ching Star Optoelectronies Technology Co., Ltd.
    Inventors: Qipei Zhang, Yun Yu
  • Patent number: 11281056
    Abstract: The present disclosure relates to a display substrate, a display device, and a method for manufacturing a display substrate. The display substrate having a display area and a non-display area, includes: a common electrode layer located in the non-display area; a common electrode line located in the non-display area; and a plurality of bar-shape via holes located in the non-display area; wherein the plurality of bar-shape via holes extend in a direction away from the display area, and the common electrode layer is electrically connected to the common electrode line through the plurality of bar-shape via holes.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: March 22, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xingyi Liu, Jideng Zhou, Ran Zhang
  • Patent number: 11275284
    Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate, a wiring portion, and a pixel electrode, a second substrate including a second transparent substrate, a common electrode opposed to the pixel electrode, a light-shielding layer overlapping the wiring portion between the second transparent substrate and the common electrode, and a transparent layer disposed between the second transparent substrate and the light-shielding layer, a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules, and light-emitting elements. A refractive index of the transparent layer is less than a refractive index of the second transparent substrate.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: March 15, 2022
    Assignee: Japan Display Inc.
    Inventors: Yudai Numata, Kentaro Okuyama, Kojiro Ikeda