Patents Examined by David Y. Chung
  • Patent number: 12353086
    Abstract: An array substrate, a display device, and a drive-for-heating method for the display device. The array substrate includes: pixel units on a first base substrate; a data line on the first base substrate; a touch signal line on the first base substrate; a heating element on the first base substrate, and configured to generate heat under driving of a drive-for-heating current; a common electrode on the first base substrate and reused as a touch electrode; and a pixel electrode on the first base substrate. The thin film transistor includes an active layer in a semiconductor layer and a gate electrode in a first conductive layer. The data line is in a second conductive layer, one of the pixel electrode and the common electrode is in a third conductive layer, and a layer where the heating element is located is between the semiconductor layer and the third conductive layer.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: July 8, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengtao Li, Rui Han, Peng Liu, Chunhua Wang, Xiaoqiao Dong, Qi Fu, Tiantian Liu, Qiannan Pan, Xiaoxia Wang, Yang Wang, Xiwang Xing, Jie Yu, Dong Cui, Qing Ma, Daekeun Yoon, Site Cai, Biqi Li
  • Patent number: 12349466
    Abstract: A display panel includes a first substrate and a second substrate disposed opposite to each other and spaced apart from each other, and a second semiconductor layer. The first substrate includes a first base substrate, a first metal layer, a first semiconductor layer, and a second metal layer. The first metal layer is disposed on the first base substrate. The first semiconductor layer is disposed on the first metal layer. The second metal layer is disposed on the first semiconductor layer. The second substrate includes a second base substrate and a third metal layer. The third metal layer is disposed on the second base substrate. The second semiconductor layer is disposed between the first metal layer and the third metal layer. The first semiconductor layer is insulated from the second semiconductor layer.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: July 1, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lixia Li
  • Patent number: 12339537
    Abstract: Provided are a liquid crystal grating and a stereoscopic display device. The liquid crystal grating includes at least one liquid crystal cell. A liquid crystal cell includes a first substrate, first electrodes, a first alignment layer, a liquid crystal layer and a second substrate which are disposed sequentially. In a first state, the liquid crystal cell includes multiple first grating units which are arranged along a first direction, and a first grating unit includes multiple first electrodes which are disposed at intervals from each other along the first direction. Along the first direction, a first electric field is formed between two closest first electrodes which are located in two adjacent first grating units, respectively, and in the liquid crystal cell, an alignment direction of the first alignment layer is the same as an electric field direction of the first electric field.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: June 24, 2025
    Assignee: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Feng Lu, Yang Zeng
  • Patent number: 12339542
    Abstract: A substrate assembly and a display device are provided. The substrate assembly includes a substrate including a peripheral area, a light blocking layer, a sealant layer and a protection layer. The light blocking layer is disposed on the substrate and comprising a recess disposed in the peripheral area. The sealant layer is disposed on the substrate in the peripheral area and overlapping the recess. The protection layer has a first part and a second part. The first part is disposed between the sealant layer and the light blocking layer. The second part is inside the recess and contacts a part of the substrate which is exposed by the recess.
    Type: Grant
    Filed: July 5, 2023
    Date of Patent: June 24, 2025
    Assignee: INNOLUX CORPORATION
    Inventor: Pai-Chiao Cheng
  • Patent number: 12332461
    Abstract: Provided are a liquid crystal grating and a stereoscopic display device. A liquid crystal grating includes a first substrate, a second substrate and a liquid crystal layer, where the liquid crystal layer is located between the first substrate and the second substrate. The liquid crystal grating includes multiple grating units which are arranged along a first direction, where a grating unit includes multiple first electrodes and multiple second electrodes; the multiple first electrodes are located between the first substrate and the liquid crystal layer and are disposed at intervals from each other along the first direction; the multiple second electrodes are located between the second substrate and the liquid crystal layer and are disposed at intervals from each other along the first direction. At least two first electrodes have different voltages, and at least two second electrodes have different voltages.
    Type: Grant
    Filed: September 19, 2023
    Date of Patent: June 17, 2025
    Assignee: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Feng Lu, Yang Zeng, Shengtao Zhu
  • Patent number: 12326625
    Abstract: A tiled light transmitting controller includes a first panel, a second panel, a first cover plate and a second cover plate. The second panel is electrically connected to the first panel. The second cover plate is arranged to be opposite to the first cover plate. The first panel and the second panel are arranged between the first cover plate and the second cover plate.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: June 10, 2025
    Assignee: InnoLux Corporation
    Inventors: Bi-Ly Lin, Chih-Chung Hsu
  • Patent number: 12327823
    Abstract: A display panel and a display device are disclosed. The display panel includes: first pixels, second pixels and first pixel groups; each first pixel group includes a third pixel, and each first pixel includes a first sub-pixel opening region; each second pixel includes a second sub-pixel opening region; each third pixel includes a third sub-pixel opening region; a first ratio of an area of the first sub-pixel opening region to an area of a sub-pixel corresponding to the first sub-pixel opening region in a display region is less than a second ratio of an area of the second sub-pixel opening region to an area of a sub-pixel in the second pixel; a third ratio of an area of the third sub-pixel opening region to an area of a sub-pixel in the third pixel is not less than the first ratio; and the third ratio is less than the second ratio.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: June 10, 2025
    Assignees: Fuzhou BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zecun Zeng, Tao Fang, Wenli Fan, Tianfeng Zhang, Xin Fang, Sangjin Park, Baoqiang Wang
  • Patent number: 12298612
    Abstract: An electronic device is provided. The electronic device includes a display panel, a light-controlling layer, a retardation layer, and a first linear polarizer. The light-controlling layer is disposed between the display panel and the retardation layer. The retardation layer is disposed between the light-controlling layer and the first linear polarizer. A first transmission direction of the first linear polarizer is different from a second transmission direction of at least a portion of an incident light. The incident light passes through the retardation layer so as to enter the first linear polarizer.
    Type: Grant
    Filed: September 6, 2023
    Date of Patent: May 13, 2025
    Assignee: INNOLUX CORPORATION
    Inventors: Jo-Hsin Wang, Hong-Sheng Hsieh
  • Patent number: 12292639
    Abstract: According to an aspect, a display device includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; a light source disposed so that light is incident on a side surface of the first substrate or a side surface of the second substrate; a first electrode provided on the first substrate; and second electrodes provided on the second substrate. The liquid crystal layer includes polymer-dispersed liquid crystals including a polymer network formed in a mesh shape and liquid crystal molecules held in a dispersed manner in gaps of the polymer network. A plurality of first slits of the second electrodes that are provided for each pixel are arranged at predetermined intervals in a first direction, and the first slits extend in a second direction intersecting the first direction.
    Type: Grant
    Filed: May 21, 2024
    Date of Patent: May 6, 2025
    Assignee: Japan Display Inc.
    Inventors: Kasumi Hase, Koichi Igeta, Kentaro Okuyama
  • Patent number: 12292654
    Abstract: Provided is a liquid crystal display device that can achieve high-speed response in both rise time and fall time and has a high transmittance, a high contrast ratio, and excellent viewing angle characteristics. The liquid crystal display device provides color display using a field sequential driving system where each frame period includes subframe periods and includes: a liquid crystal display panel; a light source that irradiates the liquid crystal display panel with lights of multiple colors; and a controller that drives the light source to time-divisionally irradiate the liquid crystal display panel with the lights of multiple colors. The liquid crystal display panel includes, sequentially in the following order: a first substrate including pixel electrodes; a first alignment film; a liquid crystal layer; a second alignment film; and a second substrate including a common electrode.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: May 6, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Shinichi Terashita, Kouichi Watanabe, Fumikazu Shimoshikiryoh
  • Patent number: 12287548
    Abstract: A display device includes: a plurality of first colored particles contained in a space between a first substrate and a second substrate; a light-emitting portion having a first light-emitting element provided on the first substrate, and a first-light-emitting-element driving circuit provided on the first substrate and configured to drive the first light-emitting element; a first transparent portion disposed in a direction along a main surface of the first substrate with respect to the light-emitting portion; a first electrode provided in the light-emitting portion; and a second electrode provided in the first transparent portion and being nckudestransparent. The display device is capable of switching between a light-transmitting state of the first transparent portion in which the first electrode attracts the plurality of first colored particles, and a light-blocking state of the first transparent portion in which the second electrode attracts the plurality of first colored particles.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: April 29, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Kimiaki Nakamura, Masakazu Shibasaki, Yasuhiro Haseba, Koji Murata
  • Patent number: 12271075
    Abstract: The present application discloses a splicing panel. The present application is provided with a dimming layer on a light-emitting diode lamp plate, and then the dimming layer is provided with a plurality of first light shading parts arranged in an array. A visual effect of the light-emitting diode lamp plate on both sides in a first direction can be adjusted through the plurality of the first light shading parts, so as to improve a visual difference between display panels of the splicing panel and the light-emitting diode lamp plate on both sides in the first direction.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: April 8, 2025
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Hongyuan Xu, Juncheng Xiao, Huajun Lu
  • Patent number: 12265293
    Abstract: A display panel and a preparation method therefor, and a display device are provided. The display panel includes first and second substrates oppositely provided, and a polymer-stabilized liquid crystal layer; multiple sub-pixels include at least one first sub-pixel emitting light from a side of the second substrate away from the first substrate and at least one second sub-pixel emitting light from a side of the first substrate away from the second substrate; the first substrate in a first sub-pixel has a first shielding pattern, and an orthographic projection of the pixel electrode therein on a display panel plane is within that of the first shielding pattern on the first substrate; the second substrate in a second sub-pixel has a second shielding pattern, and an orthographic projection of the pixel electrode therein on the display panel plane is within that of the second shielding pattern on the second substrate.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: April 1, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Long Wang, Yidan Peng, Tuo Sun, Kui Liang, Liye Duan, Guangkui Qin
  • Patent number: 12259612
    Abstract: A light control film and a display panel are provided. Light blocking members of the light control film are disposed on a side of a first base material layer, and light transmissive regions are defined between the light blocking members. Light transmissive members are filled in the light transmissive regions. Light control members are disposed on the light transmissive members corresponding to the light transmissive regions and are configured to decrease light emission angles of light passing through the light transmissive members. Therefore, when a specific light emission angle is realized, an area of the light transmissive regions can be increased to remedy a problem that a low light transmittance rate exists in current anti-peep films.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: March 25, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Haotian Xu
  • Patent number: 12253767
    Abstract: Provided are a method for manufacturing a PDLC membrane electrode, a negative pressure platform, and a PDLC membrane. The method for manufacturing a PDLC membrane electrode includes the following steps: placing a PDLC membrane on a negative pressure platform with a side to be processed facing upwards, and making a liquid crystal activation area of the side to be processed of the PDLC membrane coincide with a transparent area of the negative pressure platform, and other area coincides with a main body area of the negative pressure platform; activating a liquid crystal layer of the PDLC membrane; cutting and tearing off, according to a half-cut area, a PET layer and an electric conduction layer located on the liquid crystal layer, and sweeping or tearing off the activated liquid crystal layer together to expose the electric conduction layer below the liquid crystal layer to form a corresponding electrode.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: March 18, 2025
    Assignee: SHANGHAI LONGSHENG PHOTOELECTRIC NEW MATERIAL CO., LTD.
    Inventors: Yung-Lung Wu, Pin-Hung Lee, Rui Sun
  • Patent number: 12248218
    Abstract: The present invention relates to material compositions and methods for generating photo-alignable positive c-plate retarders. Because a planar alignment direction can be induced in the surface of the above c-plate retarder by exposure to polarized light, a slave material can be aligned on the surface of the c-plate retarder with a defined azimuthal orientation direction, without the need of an additional orientation layer.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: March 11, 2025
    Assignee: ROLIC TECHNOLOGIES AG
    Inventors: David Pires, Richard Frantz
  • Patent number: 12242160
    Abstract: An electrooptical device includes a first substrate, a first electrode disposed on the first substrate, a second substrate facing the first substrate, a second electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate. The first substrate includes a first terminal, a second terminal, a first conductive portion electrically coupled to the first terminal, and a second conductive portion electrically coupled to the second terminal, the second substrate includes a third conductive portion electrically coupled to the second electrode, and a fourth conductive portion electrically coupled to the third conductive portion, and the electrooptical device further includes a first coupling member electrically coupling the first conductive portion and the third conductive portion, and a second coupling member electrically coupling the second conductive portion and the fourth conductive portion.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: March 4, 2025
    Assignee: Japan Display Inc.
    Inventors: Yukiya Hirabayashi, Osamu Kobayashi, Shunpei Takeuchi
  • Patent number: 12242151
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a color filter substrate. The color filter substrate includes a substrate layer, a black matrix, a first color resist layer, a second color resist layer, and a spacer. The first color resist layer is filled in an opening in the black matrix and covers the black matrix. The second color resist layer is disposed on the first color resist layer and corresponds to the black matrix. The spacer is disposed on the second color resist layer. A projection of the spacer on the substrate layer is within a projection range of the black matrix on the substrate layer.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: March 4, 2025
    Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventors: Hailong Wen, Yuxiu Zhang
  • Patent number: 12230647
    Abstract: A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.
    Type: Grant
    Filed: November 17, 2023
    Date of Patent: February 18, 2025
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takashi Hamada, Kohei Yokoyama, Yasuhiro Jinbo, Tetsuji Ishitani, Daisuke Kubota
  • Patent number: 12224290
    Abstract: An array substrate includes an opening area and a non-opening area, and further includes a first substrate, a gate insulating layer, a first interlayer insulating layer, and a second interlayer insulating layer. The gate insulating layer is disposed on the first substrate and located in the opening area and the non-opening area. The first interlayer insulating layer is disposed on a side of the gate insulating layer away from the first substrate and located in the non-opening area. The second interlayer insulating layer is disposed on a side of the first interlayer insulating layer away from the first substrate and located in the opening area and the non-opening area. A projection of the first interlayer insulating layer on the first substrate is tangent to or separated from a projection of the opening area on the first substrate. A display panel includes the array substrate.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: February 11, 2025
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Wen Yin