Patents Examined by Jessica M Merlin
  • Patent number: 11703725
    Abstract: According to one embodiment, a display device includes a driver, a pixel circuit disposed to be apart from the driver in a plan view and to be electrically connected to the driver, a first pixel electrode disposed to overlap the pixel circuit in a plan view and to be electrically connected to the pixel circuit, a second pixel electrode disposed to overlap the driver in a plan view and to be closer to an outer edge of a display area than the first pixel electrode, and a relay line disposed between the pixel circuit and the first pixel electrode and between the driver and the second pixel electrode, the relay line electrically connecting the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: July 18, 2023
    Assignee: Japan Display Inc.
    Inventor: Masaya Tamaki
  • Patent number: 11698547
    Abstract: An increase in fabricating cost of a display module including a touch sensor is suppressed. A display device which includes a first substrate, a second substrate, and liquid crystal interposed between the first substrate and the second substrate includes a display portion. The display portion includes a sensor unit and a pixel. The sensor unit includes a first transistor, a first conductive film electrically connected to a gate of the first transistor, and a second conductive film. At least part of the first conductive film overlaps with at least part of the second conductive film. The pixel includes a second transistor, and a pixel electrode electrically connected to the second transistor. At least part of the pixel electrode overlaps with at least part of the first conductive film.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: July 11, 2023
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Ryo Hatsumi, Tetsuji Ishitani
  • Patent number: 11693280
    Abstract: A display device and a manufacturing method thereof are provided. The display device includes a first substrate, a first array structure layer disposed on the first substrate, and a second substrate disposed on the first array structure layer. The first array structure layer includes a photosensitive sensor, a touch sensor, and a spacer layer. The touch sensor includes a receiving electrode. The spacer layer is disposed between the photosensitive sensor and the receiving electrode. The receiving electrode is disposed on a side of the spacer layer away from the photosensitive sensor.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: July 4, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bao Zha, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
  • Patent number: 11693283
    Abstract: The present disclosure provides an electrostatic protection circuit for display panels, a method, a display panel, and a display device. The display panel includes an array substrate, a chip on film (COF) substrate connected to the array substrate, and at least a remaining testing line. The electrostatic protection circuit includes at least a first electrostatic protection line configured to connect at least the remaining testing line to a grounding line of the COF substrate.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 4, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yi Li
  • Patent number: 11681177
    Abstract: According to one embodiment, a display device comprises a display panel and a polarizing plate. The display panel comprises a display area, a non-display area surrounding the display area, and a light-shielding layer arranged in the display area and the non-display area. The polarizing plate is provided on a surface of the display panel, and including an end portion located in the non-display area. In this display device, the light-shielding layer opposite to the end portion of the polarizing plate is at least partially removed.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: June 20, 2023
    Assignee: Japan Display Inc.
    Inventors: Tomokazu Ishikawa, Yuki Kuramoto, Haruki Yamada, Katsuhiro Kato
  • Patent number: 11680443
    Abstract: A variable transmittance film includes a first electrode substrate and a second electrode substrate which are provided to face each other; and a liquid receiving layer which is provided between the first electrode substrate and the second electrode substrate and comprises a liquid substance, and a partition wall pattern that divides the liquid substance into two or more spaces, in which at least a part of the partition wall pattern comprises a passageway region that connects the adjacent spaces.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: June 20, 2023
    Inventors: Nam Seok Bae, Yong Goo Son, Seung Heon Lee, Taegyun Kwon, Youngsik Yoon
  • Patent number: 11675235
    Abstract: A liquid crystal display device includes a TFT substrate having a display region where pixels each having a TFT and a pixel electrode are formed in a matrix, a counter substrate having a display region where color filters of three colors are formed in a matrix, the TFT substrate and the counter substrate being bonded together with a sealing material in a seal portion at a periphery, and liquid crystal sealed between the TFT substrate and the counter substrate by the seal material. In the display region, a first insulation film, a first alignment film, a first columnar spacer, an overcoat film, a first color filter among the color filters of three colors are stacked in this order between the TFT substrate and the counter substrate.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: June 13, 2023
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takashi Yamamoto, Tomoya Sugano, Takamitsu Kamada
  • Patent number: 11668961
    Abstract: A phase and phase/amplitude spatial light modulator arrangement for generating a complex-valued light field with a spatial light modulator, a phase element and an optical system. The phase and amplitude spatial light modulator arrangement is configured to generate a light field that is adjustable in amount and phase. A method realizes operation of a combined spatial light modulator for generating a complex-valued light field. Here, the method includes adapting an optical characteristic in several areas of a phase element. A further method realizes operation of an optical arrangement for modulating different light wavelengths by adjusting several wave influences in several areas of a phase modulator. A last method realizes operation of an optical arrangement by adjusting an amplitude spatial light modulator for modulating light intensities in at least two optical paths.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: June 6, 2023
    Assignees: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Technische Universitaet Dresden
    Inventors: Joerg Heber, Matthias Roth, Klaus Janschek
  • Patent number: 11664389
    Abstract: A thin film transistor substrate includes a substrate, a first conductive layer, a second conductive layer and a semiconductor layer. The first conductive layer is disposed on the substrate and includes a trace portion extending along a first direction and a protrusive portion extending from the trace portion. The second conductive layer is disposed on the first conductive layer and includes a wiring portion extending along a second direction. The trace portion has a first edge and a second edge opposite to the first edge, and the protrusive portion has at least one curved edge connecting with the second edge. When viewed in a third direction perpendicular to the first direction and the second direction, an interface disposes between the trace portion and the protrusive portion, a virtual extending line overlaps the second edge and the interface, and the semiconductor layer extends beyond the virtual extending line.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: May 30, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Cheng-Hsiung Chen, Pei-Chieh Chen, Chao-Hsiang Wang, Yi-Ching Chen
  • Patent number: 11662619
    Abstract: An electronic device includes a display module, a protection cover, a light shielding layer on a bottom surface of the protection cover, a light source on the display module, a light guide plate on the display module and adjacent to the light source, a touch sensitive film above the light guide plate and having a first opening, a first optical adhesive between the touch sensitive film and the protection cover and having a second opening overlapping and communicated with the first opening, and a light shielding element having a portion overlapping the first and second openings. The light shielding element is located on the display module, extends to said portion of the light shielding layer, and is configured to block light passing through the light guide plate, the touch sensitive film, and the first optical adhesive in a non-visible area.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: May 30, 2023
    Assignee: DARWIN PRECISIONS CORPORATION
    Inventors: Yu-An Hsieh, Chi-Chang Chen, Chia-Hsin Chang
  • Patent number: 11656488
    Abstract: According to one embodiment, a display device includes a first substrate including a first resin substrate having a first thermal expansion coefficient, and a first barrier layer having a second thermal expansion coefficient which is lower than the first thermal expansion coefficient, a second substrate including a second resin substrate having a third thermal expansion coefficient which is equal to the first thermal expansion coefficient, and a second barrier layer having a fourth thermal expansion coefficient which is lower than the third thermal expansion coefficient and is equal to the first thermal expansion coefficient, and a display element located between the first resin substrate and the second resin substrate.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: May 23, 2023
    Assignee: Japan Display Inc.
    Inventors: Arichika Ishida, Yasushi Kawata
  • Patent number: 11656507
    Abstract: A thin film transistor substrate comprises: a substrate; a scan line disposed on the substrate and extending along a first direction; a semiconductor layer disposed on the scan line; and a drain electrode disposed on the semiconductor layer and comprising an arc edge outside the scan line, wherein a part of the semiconductor layer extends along a second direction perpendicular to the first direction and the arc edge overlaps the part of the semiconductor layer.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: May 23, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Tsung-Han Tsai, Hsia-Ching Chu, Mei-Chun Shih
  • Patent number: 11656490
    Abstract: According to one embodiment, a display device includes a display panel having a first surface, a second surface on a side opposite to the first surface, and a display area including pixels, a first cover member overlapping the display area and opposed to the first surface, and a second cover member overlapping the display area and opposed to the second surface. The first cover member has a first side surface close to a first end portion of the display panel, the second cover member has a second side surface close to the first end portion, and the first side surface is located between the first end portion and the second side surface in planar view.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: May 23, 2023
    Assignee: Japan Display Inc.
    Inventor: Kazuki Ichihara
  • Patent number: 11656519
    Abstract: A liquid crystal device that is flexible and includes a cholesteric liquid crystal material erased by flexing. Totally free of electronics and electrically conductive electrodes, the liquid crystal device takes advantage of a reverse mode effect observed in cholesteric liquid crystals whereby pressure applied to the device changes a reflective texture to a transmissive texture to create an image. The image is erased and the device reinitialized by flexing to create reflective texture surroundings.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 23, 2023
    Assignee: Kent Displays, Inc.
    Inventors: Mauricio Echeverri, Clinton Braganza, Anthony Daniels
  • Patent number: 11656493
    Abstract: Provided is a display apparatus including a first cholesteric liquid crystal panel, a second cholesteric liquid crystal panel, and a third cholesteric liquid crystal panel. The first cholesteric liquid crystal panel has a light receiving surface. The second cholesteric liquid crystal panel overlaps the first cholesteric liquid crystal panel and is disposed on a side of the first cholesteric liquid crystal panel away from the light receiving surface. The third cholesteric liquid crystal panel overlaps the second cholesteric liquid crystal panel and is disposed on a side of the second cholesteric liquid crystal panel away from the first cholesteric liquid crystal panel. One of the first cholesteric liquid crystal panel, the second cholesteric liquid crystal panel, and the third cholesteric liquid crystal panel is provided with multiple first light shielding patterns separated from each other.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: May 23, 2023
    Assignee: Au Optronics Corporation
    Inventors: Chao-Wei Li, Wei-Ming Cheng, Yi-Ling Lin
  • Patent number: 11650442
    Abstract: An electronic device is provided. The electronic device includes a privacy module. The privacy module includes a first polarizing element, a second polarizing element, and a light modulation element. The first polarizing element includes a first light absorbing material. The first polarizing element has a surface, and the surface has a normal direction. The second polarizing element includes a second light absorbing material. The second polarizing element at least partially overlaps the first polarizing element. The light modulation element is disposed between the first polarizing element and the second polarizing element. The first light absorbing material has a first long axis, and the second light absorbing material has a second long axis. The first long axis and second long axis are parallel to the normal direction.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: May 16, 2023
    Assignee: INNOLUX CORPORATION
    Inventor: Kazuto Jitsui
  • Patent number: 11650450
    Abstract: A color display device comprises an array of a plurality of sub-pixels including a red sub-pixel, a blue sub-pixel, a first green sub-pixel and a second green sub-pixel. The first green sub-pixel and the second green sub-pixel are smaller than that of the red sub-pixel or the blue sub-pixel. The two adjacent first green sub-pixels are arranged in a first direction, the two adjacent second green sub-pixels are arranged in the first direction. The blue sub-pixel is directly adjacent to the red sub-pixel in a second direction; the blue sub-pixel is directly adjacent to the two first green sub-pixels and the two second green sub-pixels.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: May 16, 2023
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Shoichi Hirota, Shinichi Komura, Yoshifumi Sekiguchi, Tsunenori Yamamoto, Masaya Adachi
  • Patent number: 11644710
    Abstract: A display panel is provided. The display panel includes a sensing region. The display panel includes a capping substrate, a light shielding layer, and a transparent material. The light shielding layer is disposed under the capping substrate. The light shielding layer includes a plurality of holes. The transparent material is disposed under the light shielding layer. The plurality of holes and the transparent material correspond to the sensing region.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: May 9, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Yun-Chun Liou, Yen-Chi Chang, Yu-Ting Chen, Bo-Yu Wu, Mei-Jie Yang
  • Patent number: 11640097
    Abstract: A total internal reflection display includes a sub-pixel, a reflecting layer, at least one first stereoscopic electrode and a display medium layer. The sub-pixel is defined by a color filter and a black matrix disposed adjacently to the color filter. The reflecting layer is located beneath the sub-pixel. The first stereoscopic electrode is located beneath the black matrix. The width of the first stereoscopic electrode is less than the width of the black matrix. The display medium layer is located between the sub-pixel and the reflecting layer. The height of the first stereoscopic electrode is greater than half of the thickness of the display medium layer.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: May 2, 2023
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Chun-Yu Lin, Kun-Cheng Tien
  • Patent number: 11635651
    Abstract: The invention provides a display panel, which includes a first substrate, a second substrate, a liquid crystal layer, a light shielding pattern layer and a plurality of pixel structures. The liquid crystal layer is disposed between the first substrate and the second substrate, and includes a plurality of negative liquid crystal molecules. Each of the pixel structures includes a first electrode and a second electrode. The first electrode has an electrode opening and a first finger portion extending into the electrode opening. The second electrode has two second finger portions overlapping the electrode opening. The first finger portion and the two second finger portions are alternately arranged along a first direction inside the electrode opening and extend in a second direction.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: April 25, 2023
    Assignee: HannStar Display Corporation
    Inventors: Chia-Hua Yu, Kun Tsai Huang, Feng-Wei Kuo, Luo-Yi Wu