Patents Examined by Lauren Nguyen
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Display panel having support structures being formed in via holes of the interlayer insulating layer
Patent number: 12276890Abstract: At least one embodiment of the present disclosure provides a display panel, and the display panel includes: a first substrate and a second substrate oppositely combined with each other, the first substrate includes a base substrate, and a gate line, a first electrode, a first interlayer insulating layer, and second electrode on the base substrate; the first interlayer insulating layer includes a first via hole penetrating through the first interlayer insulating layer, the second electrode is electrically connected to the first electrode the first via hole, first support structure is provided in a region corresponding to the first via hole and on a side of the second electrode away from the base substrate; at least a part of the first support structure is located in the first via hole, an orthographic projection of the first via hole overlaps with an orthographic projection of the gate line on the base substrate.Type: GrantFiled: March 30, 2022Date of Patent: April 15, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Binbin Tong, Lizhong Wang, Jianbo Xian, Liping Lei, Chunping Long, Yunping Di, Ce Ning -
Patent number: 12271096Abstract: An object is to provide a liquid crystal diffraction element that has small wavelength dependence of diffraction efficiency and diffracts light having the same wavelength at the same angle, an optical element including the liquid crystal diffraction element, and an image display unit, a head-mounted display, a beam steering, and a sensor including the liquid crystal diffraction element or the optical element.Type: GrantFiled: March 1, 2023Date of Patent: April 8, 2025Assignee: FUJIFILM CorporationInventors: Hiroshi Sato, Yukito Saitoh, Takashi Yonemoto
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Patent number: 12268055Abstract: A display panel includes: first and second pixel circuits on a substrate; first and second pixel electrodes electrically connected to the first and second pixel circuits, respectively; a pixel defining layer having openings overlapping with the first and second pixel electrodes, respectively; a first emission layer on the first pixel electrode; a second emission layer on the second pixel electrode; an opposite electrode on the first emission layer and the second emission layer; and an anti-reflection layer on the opposite electrode. The anti-reflection layer includes: a light-blocking portion corresponding to an area between the openings of the pixel defining layer; a first color filter overlapping with the first emission layer; a second color filter overlapping with the second emission layer; and an overcoat layer including a portion located in a separation space between the light-blocking portion and at least one of the first color filter or the second color filter.Type: GrantFiled: August 5, 2021Date of Patent: April 1, 2025Assignee: Samsung Display Co., Ltd.Inventors: Seongmin Cho, Beohmrock Choi, Chiwook An, Choongyoul Im, Nakcho Choi
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Patent number: 12266664Abstract: An embodiment of a display device includes a substrate, a semiconductor layer, a first gate insulating layer, a gate electrode, a second gate insulating layer, a first storage electrode, a first interlayer insulating layer, a second interlayer insulating layer, a data line, and a driving voltage line. The semiconductor layer is disposed on the substrate. The first gate insulating layer is disposed on the semiconductor layer. The gate electrode is positioned on the first insulating layer. The second gate insulating layer is disposed on the gate electrode. The first storage electrode is positioned on the second gate insulating layer. The first interlayer insulating layer is disposed on the first storage electrode and has an opening surrounding the semiconductor layer, the gate electrode, and the first storage electrode. The second interlayer insulating layer is disposed on the first interlayer insulating layer and fills the opening.Type: GrantFiled: January 2, 2024Date of Patent: April 1, 2025Assignee: Samsung Display Co., Ltd.Inventors: Seon Young Choi, Jae Hyung Cho, Jee Hoon Sim, Jun Ki Jeong
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Patent number: 12259602Abstract: A liquid crystal display includes a first substrate including: a display area including a plurality of pixels on the first substrate, a non-display area which is disposed on an outside of the display area and in which a dummy wire is disposed on the first substrate, and an image input hole which is defined therein in the non-display area and in which an image input device is disposed, a second substrate facing the first substrate and including a display area and a non-display area corresponding to those of the first substrate, a liquid crystal layer interposed between the first and second substrates, and a sealant which is in the non-display area of the first and second substrates and seals the liquid crystal layer between the first and second substrates. The dummy wire is disposed near the image input hole.Type: GrantFiled: June 13, 2023Date of Patent: March 25, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Tae Hee Lee, Hyoung Joon Kim, Hyo Jin Kim, Kap Soo Yoon, Jeong Uk Heo, Ji Yun Hong
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Patent number: 12259555Abstract: Provided are: an image display apparatus in which the utilization efficiency of a virtual image is high and the virtual image having high brightness uniformity can be displayed to be superimposed on a real image; and AR glasses including the image display apparatus. The image display apparatus includes: a display element; one or more cholesteric liquid crystal layers that reflect a display image of the display element; and a transparent reflection element that reflects the image reflected by the cholesteric liquid crystal layer to the cholesteric liquid crystal layer, in which at least one of the cholesteric liquid crystal layers has a structure having a region where a surface pitch changes in a thickness direction.Type: GrantFiled: June 24, 2022Date of Patent: March 25, 2025Assignee: FUJIFILM CorporationInventors: Hiroshi Sato, Katsumi Sasata, Yukito Saitoh
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Patent number: 12261176Abstract: A display device includes: a substrate including a display area and a non-display area; a transistor and a light emitting element, which are disposed on the display area; a pad portion disposed in the non-display area, where the pad portion includes a first metal pattern; and a printed circuit board or a data driver, which is connected with the pad portion. The transistor includes a semiconductor layer disposed on the substrate and a source electrode or a drain electrode which is electrically connected with the semiconductor layer. The source electrode or the drain electrode includes a first layer including a first metal, a second layer including a second metal, and a third layer including the first metal, where the first metal pattern includes the first metal, and is connected with the printed circuit board or the data driver.Type: GrantFiled: December 2, 2021Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kohei Ebisuno, Jin-Suk Lee, Jong Min Lee, Jun Young Kim, Yong Ho Yang
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Patent number: 12248211Abstract: A display device includes a display panel having a curved shape in section along one axis, the display panel including a display screen that includes a concave surface, wherein a radius of curvature (R) of the curved shape of the display screen is larger than 2000 mm.Type: GrantFiled: May 31, 2013Date of Patent: March 11, 2025Assignee: SATURN LICENSING LLCInventor: Shinpei Nagatani
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Patent number: 12228825Abstract: A display device includes: a first substrate including a display area and a non-display area, a second substrate opposing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate to overlap the display area, and a seal disposed between the first substrate and the second substrate to surround the liquid crystal layer. At least one corner of the seal projects toward the non-display area.Type: GrantFiled: April 23, 2023Date of Patent: February 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hwan Young Jang, Na Hyeon Cha, Sun Kwun Son
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Patent number: 12228645Abstract: Provided is a sensor having a high SN ratio. The sensor includes a light source, a band pass filter; and a light-receiving element, in which the band pass filter includes a cholesteric liquid crystal layer that is a layer obtained by immobilizing a cholesteric liquid crystalline phase, the cholesteric liquid crystal layer has a region where a refractive index nx in an in-plane slow axis direction and a refractive index ny in an in-plane fast axis direction satisfy nx>ny, and in a case where a selective reflection wavelength of the cholesteric liquid crystal layer is represented by ?, the cholesteric liquid crystal layer has a second selective reflection peak at a wavelength ?/2 and a half-width of the second selective reflection peak at ?/2 is 30 nm or less.Type: GrantFiled: November 9, 2021Date of Patent: February 18, 2025Assignee: FUJIFILM CorporationInventors: Takao Taguchi, Yukito Saitoh, Hiroshi Sato, Katsumi Sasata, Akiko Watano
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Patent number: 12213365Abstract: A display device includes a substrate, a pixel electrode disposed on the substrate, a bank layer which is disposed on the pixel electrode and in which a pixel opening overlapping the pixel electrode is defined, an encapsulation layer disposed on the pixel electrode and the bank layer, a sensing electrode disposed on the encapsulation layer, a first insulating layer which is disposed on the sensing electrode and in which an opening overlapping the pixel opening is defined, and a second insulating layer which is disposed on the first insulating layer and has a higher refractive index than a refractive index of the first insulating layer, where a side inclination angle of the first insulating layer in the opening of the first insulating layer is different depending on a position of the opening of the first insulating layer.Type: GrantFiled: August 24, 2021Date of Patent: January 28, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung-Hyun Cho, Chi Wook An, Kang Wook Heo
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Patent number: 12206003Abstract: A thin film transistor, an array substrate and a display device are provided. The thin film transistor is on a base substrate and includes a gate electrode, a first electrode, and a second electrode on the base substrate. The gate electrode includes a first body portion and a first extension portion extending along the first direction, electrically connected with the first body portion, and spaced apart from the first body portion by a first spacing.Type: GrantFiled: January 4, 2023Date of Patent: January 21, 2025Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuntian Zhang, Zhou Rui, Peng Jiang, Haipeng Yang, Ke Dai, Chunxu Zhang, Zhonghou Wu, Li Tian
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Patent number: 12207506Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a plurality of main subpixels in the main display area; a plurality of auxiliary subpixels in the component area; a first pixel circuit unit and a second pixel circuit unit in the peripheral area and including a plurality of auxiliary pixel circuits; a plurality of main scan lines connected to the plurality of main pixel circuits and extending in a first direction and a plurality of main data lines extending in a second direction intersecting with the first direction; and a plurality of scan connection lines branched from some of the plurality of main scan lines in the second direction and connected to the plurality of auxiliary pixel circuits, wherein the plurality of scan connection lines are in the main display area or between the main display area and the component area.Type: GrantFiled: August 11, 2021Date of Patent: January 21, 2025Assignee: Samsung Display Co., Ltd.Inventors: Youngwan Seo, Gyungsoon Park, Sujin Lee
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Patent number: 12204118Abstract: Disclosed is a stereopsis image display device comprising a display panel including a plurality of pixels and a black matrix having a plurality of openings respectively overlapped with the plurality of pixels, and a plurality of lenses disposed over the display panel and extending in a vertical direction, wherein the plurality of pixels includes K pixel groups composed of M pixels disposed in each of N horizontal lines, the N horizontal lines include a first horizontal line and a second horizontal line adjacent to the first horizontal line in the vertical direction, wherein K, M, and N are integers greater than or equal to 2, and the pixels arranged in the second horizontal line are shifted by a first distance in a horizontal direction with respect to the pixels arranged in the first horizontal line.Type: GrantFiled: August 24, 2023Date of Patent: January 21, 2025Assignee: LG DISPLAY CO., LTD.Inventors: DongYeon Kim, HeeCheol Kim, Juhoon Jang, Hoon Kang, Gyusuk Jung
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Patent number: 12197088Abstract: An array substrate includes a first electrode. The first electrode includes first, second, third and fourth side walls and first and second bottom walls. Ends of the third and fourth side walls are connected by the second bottom wall. A shortest distance d1 is from the first bottom wall to the second bottom wall. A distance d2 is from an end of the first side wall away from the second side wall to an end of the third side wall away from the fourth side wall. A distance d3 is from an end of the second side wall away from the first side wall to an end of the fourth side wall away from the third side wall, and d1<d2, d1<d3.Type: GrantFiled: February 10, 2022Date of Patent: January 14, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yunfei Wu, Yongkai Li, Cong Tan
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Patent number: 12181756Abstract: A light adjustment device includes a panel unit formed in a shape of a rectangular column by stacking a plurality of light adjustment panels in a first direction, each of the light adjustment panels having a polygonal shape and including a first substrate and a second substrate, the first substrate including a first terminal, the second substrate overlapping the first substrate and including a second terminal, and a conductive member provided at a corner of the rectangular column in a side part of the panel unit and continuously extending in the first direction.Type: GrantFiled: June 7, 2023Date of Patent: December 31, 2024Assignee: Japan Display Inc.Inventors: Yoshikatsu Imazeki, Yoshifumi Kamei, Takeo Koito
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Patent number: 12181703Abstract: A display device has a main display area and a function-adding area and includes a backlight module and a display panel. The backlight module includes an optical film set and light sources. The light sources are disposed on at least one end of the optical film set that is perpendicular to a light-emitting side of the backlight module, and include first light groups and second light groups. When the display device is in a functional mode, the first light groups are turned off, the second light groups are turned on, a first dark zone is formed on the optical film set, and the function-adding area is located within the first dark zone.Type: GrantFiled: May 18, 2022Date of Patent: December 31, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Peng Zhang
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Patent number: 12183744Abstract: A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.Type: GrantFiled: December 13, 2021Date of Patent: December 31, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingyi Feng, Yingsong Xu, Changlong Yuan, Zhenhua Zhang, Xilei Cao, Qian Ma
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Patent number: 12169334Abstract: A head-up display unit with a picture generating unit for creating an image to be displayed as a virtual image to a viewer and an optical unit for projecting the image to be displayed towards an eyebox is disclosed. The picture generating unit comprises a liquid crystal layer, a front polarizer, a back polarizer and a reflective polarizer. The reflective polarizer is arranged upstream the front polarizer and downstream the liquid crystal layer.Type: GrantFiled: July 26, 2021Date of Patent: December 17, 2024Assignee: Continental Automotive Technologies GmbHInventor: Andrei Pasca
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Patent number: 12169348Abstract: An anti-glare apparatus includes a lens assembly having an incident side, the lens assembly including a layer of liquid crystal molecules, a first driving electrode and a second driving electrode respectively on both sides of the layer of the liquid crystal molecules, the first driving electrode or the second driving electrode including a plurality of sub-electrodes; a reflective layer on a side of the lens assembly opposite from the incident side; a camera, configured to acquire a human eye's position and acquire an intensity signal of incident light irradiating the incident side of the lens assembly; and a controller electrically connected to the first driving electrode, the second driving electrode, and the camera; where the controller is configured to adjust driving voltages of the sub-electrode based on the intensity signal of the incident light acquire by the camera to change the optical axis direction of the lens assembly.Type: GrantFiled: October 31, 2023Date of Patent: December 17, 2024Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Junrui Zhang, Ronghua Lan, Hongbo Feng, Xuehui Zhu, Hao Tang, Meng Guo, Jiuyang Cheng