Patents Examined by Dung T. Nguyen
-
Patent number: 11543727Abstract: A vehicular display that ensures no cooped-up feeling is felt by an occupant providing limited visibility arranged on a transparent outer panel of a vehicle is an electronic paper that displays a video on a vehicle exterior. The electronic paper is provided with a plurality of hole portions to have a light transmission region through which a light is transmitted in the electronic paper. In a state where the electronic paper is viewed in a thickness direction, a hole occupancy as a ratio of an area of the plurality of hole portions to a whole area of the light transmission region falls within a range of 40% or more and 80% or less, and a maximum length that connects two points on a peripheral edge of each of the hole portions falls within a range of 0.5 mm or more and 8.0 mm or less.Type: GrantFiled: March 19, 2020Date of Patent: January 3, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Ai Nishida
-
Patent number: 11537012Abstract: A substrate for a display device, the substrate includes a signal supply section that supplies a signal; a substrate section having an extended outer shape section and having a display area configured to display an image; a plurality of lead wires that extend along the extended outer shape section to the display area; and a circuit section that is placed so that the lead wires are interposed between the display area and the circuit section and that is composed of a plurality of unit circuits arranged along the extended outer shape section, wherein the plurality of unit circuits include a unit circuit having an extension section that extends away from the signal supply section so as to be interposed between a unit circuit that is adjacent to the unit circuit on a side opposite to the signal supply section and the lead wires.Type: GrantFiled: December 30, 2020Date of Patent: December 27, 2022Assignee: SHARP KABUSHIKI KAISHAInventor: Masahiro Yoshida
-
Patent number: 11536998Abstract: A backlight device is provided and include frame formed of sheet material including at least four bars; first adhesive layer provided on one surface of the bars; reflective sheet attached to frame with first adhesive layer; second adhesive layer is provided on another surface opposed to the one surface of the bars; optical member including lightguide plate disposed on reflective sheet in frame; and light source disposed in frame and configured to emit light to optical member, wherein thickness of second adhesive layer provided on three successive bars of frame along three sides of lightguide plate is greater than thickness of first adhesive layer provided on four bars of frame.Type: GrantFiled: September 3, 2021Date of Patent: December 27, 2022Assignee: JAPAN DISPLAY INC.Inventors: Tetsuro Ochi, Ken Sugiyama, Toshiyuki Tsubota, Kazunari Nishita
-
Patent number: 11537013Abstract: This application discloses a display panel and a display device. The display panel includes a substrate, source driving chips, and gate chips. The source driving chip includes two sets of pins. The two sets of pins are respectively located on a first side and a second side of a same source driving chip. The gate chips are connected to different sets of pins.Type: GrantFiled: December 12, 2018Date of Patent: December 27, 2022Assignee: HKC CORPORATION LIMITEDInventor: Huailiang He
-
Patent number: 11526061Abstract: A light modulating liquid crystal cell, a display panel, and a display device are provided. The light modulating liquid crystal cell has a light-exiting area and a non-light-exiting area surrounding the light-exiting area and includes first pixels located in the light-exiting area. Each first pixel includes first sub-pixels, and each first sub-pixels includes a first transistor. The first sub-pixels include at least two first sub-pixels arranged in a first direction and at least two first sub-pixels arranged in a second direction, and the first direction intersects the second direction. In the first sub-pixels of one first pixel, gate electrodes of the first transistors are electrically connected to a same first scanning line, and source electrodes of the first transistors are electrically connected to a same first data line.Type: GrantFiled: December 30, 2020Date of Patent: December 13, 2022Assignee: Tianma Micro-Electronics Co., Ltd.Inventors: Cheng Qian, Xu Jiang, Kaihong Huang, Mingji Xu
-
Patent number: 11520195Abstract: Provided are a display substrate, a display panel and a display device. The display substrate includes a display area, a bezel area and multiple first signal lines. The bezel area includes a bonding area, the bonding area includes a first area and a second area, the first area includes first pads, and the second area includes second pads. The first signal lines are electrically connected to the first pads. Each of at least part of the first signal lines extends between respective two adjacent first pads. The second pads are dummy pads, or part of the second pads are electrically connected to a second signal line. The bonding area further includes multiple dummy traces, and at least part area of a dummy trace is disposed between two adjacent first pads, and/or between two adjacent second pads, and/or between a first pad and a second pad adjacent to each other.Type: GrantFiled: May 18, 2021Date of Patent: December 6, 2022Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Chunhui Yang
-
Patent number: 11513407Abstract: An array substrate and a display device are provided, and the array substrate includes a base substrate and includes a pixel array and an auxiliary conductive structure which are on the base substrate; the pixel array includes a plurality of pixel units arranged in an array and a plurality of pixel electrodes, and each of the plurality of pixel units includes at least one of the plurality of pixel electrodes; the auxiliary conductive structure surrounds at least one of the plurality of pixel electrodes and is insulated from the plurality of pixel electrodes; a resistivity of a material of the auxiliary conductive structure is less than or equal to a resistivity of a material of the at least one of the plurality of the pixel electrodes.Type: GrantFiled: January 21, 2019Date of Patent: November 29, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianbo Xian, Hongfei Cheng, Jian Xu, Yong Qiao
-
Patent number: 11513397Abstract: A manufacturing method of a liquid crystal display panel includes vertically irradiating a first substrate and a second substrate with ultraviolet light for alignment. An energy compensation device is formed and/or placed in an irradiation direction of the ultraviolet light. An angle difference of pretilt angles between liquid crystal molecules inside the first substrate and liquid crystal molecules inside the second substrate is greater than a preset angle. An energy intensity inside the first substrate or inside the second substrate is controlled by the energy compensation device, so that pretilt angle difference between the liquid crystal molecules inside the first substrate and the liquid crystal molecules inside the second substrate is large.Type: GrantFiled: August 11, 2020Date of Patent: November 29, 2022Assignee: Shenzhen China Stor Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Min Huang, Jianhong Chen
-
Patent number: 11500242Abstract: An optical switching element includes a driving substrate, a transparent substrate, a liquid crystal layer and a reflection enhancing film. The driving substrate includes a pixel region having a plurality of pixel electrodes, an outer peripheral region arranged outside the pixel region, and a sealing region. The transparent substrate includes a counter electrode. The liquid crystal layer is held between the driving substrate and the transparent substrate. The reflection enhancing film is arranged on a whole surface of the driving substrate. The reflection enhancing film is formed by stacking one or more of dielectric assemblies each of which includes a set of two stacked dielectric films with different refractive indexes. A dielectric film in a first layer of the reflection enhancing film is subject to planarization.Type: GrantFiled: March 17, 2021Date of Patent: November 15, 2022Assignee: JVCKENWOOD CORPORATIONInventor: Katsunori Ohshima
-
Patent number: 11493812Abstract: According to one embodiment, a display device includes a semiconductor layer, a first insulating layer, a gate electrode, a second insulating layer and a plurality of transparent conductive layers. The transparent conductive layers include a pixel electrode, a first conductive layer and a second conductive layer. The pixel electrode is in contact with the second conductive layer. The second conductive layer is in contact with the first conductive layer. The first conductive layer is brought into contact with a second region of the semiconductor layer through a first contact hole.Type: GrantFiled: October 9, 2020Date of Patent: November 8, 2022Assignee: JAPAN DISPLAY INC.Inventors: Isao Suzumura, Fumiya Kimura, Kazuhide Mochizuki, Hitoshi Tanaka, Kenichi Akutsu, Atsuko Shimada
-
Patent number: 11493810Abstract: A display panel and a fabricating method thereof are provided. The display panel is provided with a bending region and a non-bending region. The display panel has a flexible substrate, a first line layer, an insulating layer, and a second line layer, which are layer-stacked. The first line layer has first lines. The insulating layer corresponding to each of the first lines is provided with at least two through holes penetrating the insulating layer. The through holes are defined at two ends of the bending region adjacent to the non-bending region. The second line layer has second lines. The second lines are aligned with the first lines in a one-to-one manner. The second lines extend and penetrate the through holes to electrically connect to the first lines. The fabricating method has steps: providing a flexible substrate, fabricating a first line layer, an insulating layer, a second line layer.Type: GrantFiled: October 21, 2019Date of Patent: November 8, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bingkun Yin
-
Patent number: 11487143Abstract: Disclosed are a display device, a multi-screen display device using the same, which include a minimized bezel area and a method for manufacturing the display device. The display device including a display substrate including a plurality of subpixels respectively provided in a plurality of pixel areas defined by a plurality of data lines and a plurality of gate lines, a line substrate bonded to the display substrate by using a substrate bonding member and including a plurality of data routing lines, and a side data connection member provided on one side of each of the display substrate and the line substrate to connect the plurality of data lines to the plurality of gate lines in a one-to-one relationship.Type: GrantFiled: January 29, 2021Date of Patent: November 1, 2022Assignee: LG Display Co., Ltd.Inventors: WooNam Jeong, SeungChul Lee
-
Patent number: 11480824Abstract: An exemplary display device includes: a display panel; a color conversion panel overlapping the display panel; and an optical bonding layer positioned between the display panel and the color conversion panel. The color conversion panel includes: a substrate; a color conversion layer and a transmission layer positioned between the substrate and the display panel; a first capping layer having one side facing the color conversion layer and the transmission layer, and another side facing the display panel; a second capping layer positioned between the first capping layer and the display panel; and an optical layer positioned between the first capping layer and the second capping layer and/or between the second capping layer and the optical bonding layer. A refractive index of the optical layer is lower than at least one of a refractive index of the first capping layer and a refractive index of the second capping layer.Type: GrantFiled: January 7, 2020Date of Patent: October 25, 2022Inventors: Seung-Jin Chu, Seung-Jin Baek, Young Min Kim, Hae Il Park, Kun Hee Jo
-
Patent number: 11467455Abstract: A display device includes a first substrate, a first metal layer, a gate insulating layer, semiconductor channels, a second metal layer, a color filter layer, a shielding electrode, an insulating layer, pixel electrodes, a liquid crystal layer, a second substrate and a second common electrode. The first metal layer is located on the first substrate and includes scan lines, gates and first common electrodes. The gate insulating layer is located on the first metal layer. The semiconductor channels are located on the gate insulating layer. The second metal layer is located on the gate insulating layer, and includes sources, drains and data lines. The color filter layer is located on the second metal layer. The shielding electrode at least partially overlaps the second metal layer. The insulating layer is located on the color filter layer. The second common electrode is located on the second substrate.Type: GrantFiled: January 29, 2021Date of Patent: October 11, 2022Assignee: Au Optronics CorporationInventors: Hung-Che Lin, Nai-Wen Chang, Shun-Ling Hou, Sheng-Ju Ho
-
Patent number: 11460727Abstract: According to an aspect, a display device includes: a substrate having a display region; a shield conductive layer provided above the substrate; and a plurality of wiring units for temperature detection disposed at positions overlapping with the display region and the shield conductive layer when seen in a plan view. Each wiring unit for temperature detection has one end coupled to a first wire and the other end coupled to a second wire to detect resistance that changes in accordance with a change in temperature, between the first wire and the second wire.Type: GrantFiled: July 22, 2021Date of Patent: October 4, 2022Assignee: Japan Display Inc.Inventors: Koji Yoshida, Hirofumi Ohira, Soichiro Ohama, Toshihiko Tanaka
-
Patent number: 11460738Abstract: A display device is provided and includes a display panel comprising a substrate; a case provided on a back side of the substrate, the case having an outer surface; and a flexible wiring board, one end of which is connected to a top surface of the substrate, curved along the outer surface of the case; wherein the flexible wiring board is fixed to a side surface of the substrate and the outer surface of the case with an adhesive.Type: GrantFiled: November 25, 2020Date of Patent: October 4, 2022Assignee: Japan Display Inc.Inventors: Tomoya Tezen, Ken Sugiyama, Kosuke Matsubara, Koji Hiramoto, Takeshi Kaneki
-
Patent number: 11454851Abstract: An array substrate, a display panel and a display device are disclosed. The array substrate includes a display region and a non-display region around the display region, and further includes: a first leading wire extending from the non-display region to the display region and a second leading wire extending from the non-display region to the display region. The first leading wire is between a first signal line and a first fan-out line and electrically connects the first signal line and the first fan-out line, and the second leading wire is between a second signal line and a second fan-out line and electrically connects the second signal line and the second fan-out line. The first leading wire and the second leading wire are in different layers.Type: GrantFiled: June 20, 2018Date of Patent: September 27, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunping Long, Yongda Ma
-
Patent number: 11448925Abstract: An electro-optical device includes a first FPC substrate and a second FPC substrate that overlap each other and are mounted on a terminal portion. A monitor pad electrically coupled to an output terminal of a second driving IC is provided at a substrate surface of the second FPC substrate of a substrate surface of the first FPC substrate and a substrate surface of the second FPC substrate that face each other. An opening extending through the first FPC substrate is provided in a position overlapping the monitor pad. A monitor pad electrically coupled to an output terminal of a first driving IC is provided between an opening of the first FPC substrate and the first driving IC.Type: GrantFiled: December 23, 2019Date of Patent: September 20, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Shinsuke Fujikawa
-
Patent number: 11435634Abstract: A display panel and a display device are provided. The display panel includes a first substrate and a second substrate. The first substrate includes: a first base substrate; and a plurality of spacers on the first base substrate, including a first sub spacer and a second sub spacer; and the second substrate includes: a second base substrate; a gate line; a plurality of sub-pixels on the second base substrate; a first boss and a second boss on the second base substrate. The second substrate includes a first row of pixels and a second row of pixels adjacent to the first row of pixels; an orthographic projection of the second boss and an orthographic projection of the gate line on the second base substrate overlap; an orthographic projection of the first sub spacer and an orthographic projection of the first boss on the second base substrate at least partially overlap.Type: GrantFiled: March 31, 2020Date of Patent: September 6, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Liwei Liu, Yunsik Im, Shunhang Zhang, Kai Hou, Hui Zhang, Hongrun Wang
-
Patent number: 11422418Abstract: A liquid crystal device is provided with a first light shielding member, a second light shielding member, a third light shielding member, and a fourth light shielding member along an edge of a pixel electrode, and liquid crystal molecules intersect a first direction X and a second direction Y and are oriented toward a second intersection region between the third light shielding member and the fourth light shielding member. A convex portion extending along an end portion of the pixel electrode is provided at a lower layer side of the pixel electrode, and the pixel electrode overlaps with the convex portion in a region overlapping with the third light shielding member and the fourth light shielding member. The convex portion is separated from an adjacent pixel electrode in plan view, and is not linked to the convex portion that overlaps with the adjacent pixel electrode.Type: GrantFiled: February 17, 2021Date of Patent: August 23, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Yukihiro Sugiura