Patents Assigned to Display Technologies
  • Patent number: 11966009
    Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a flexible display device, and belongs to the technical field of display. Among them, the display substrate includes: a base substrate; a metal pattern located on the base substrate, and an anti-reflection pattern located on a surface of the metal pattern proximate to the base substrate; in which a material of the anti-reflection pattern includes molybdenum oxide doped with a refractory metal, and a melting point of the refractory metal is greater than a temperature threshold. The technical solution of the present disclosure is capable of reducing the reflection of ambient light by the display substrate.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 23, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoxiang Zhang, Hao Han, Yihe Jia, Lianjie Yang, Xiangqian Ding, Yongzhi Song
  • Patent number: 11966071
    Abstract: According to an aspect of the disclosure, an illumination device includes: a first sheet including a first light entering main surface, a first light emission main surface, two first light blocking portions disposed at an interval in a first direction, and a first light-transmitting portion disposed between the two first light blocking portions; a second sheet including a second light entering main surface facing the first light emission main surface, a second light emission main surface, and a first lens; and a third sheet including a third light entering main surface facing the second light emission main surface, a third light emission main surface, two second light blocking portions disposed at an interval in the first direction, and a second light-transmitting portion disposed between the two second light blocking portions.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: April 23, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Shugo Yagi, Junichi Masuda, Yuuichi Kanbayashi, Satoshi Tsubooka
  • Patent number: 11968858
    Abstract: A top-emitting subpixel structure may include at least one bank structure defining a plurality of emissive areas, and an emissive structure located in each emissive area. The subpixel structure may have a subpixel length and a subpixel width less than the subpixel length, a ratio of the subpixel length to the subpixel width defining a subpixel aspect ratio. Each emissive area may have an emissive area length and an emissive area width shorter than the emissive area length, a ratio of the emissive area length to the emissive area width defining an emissive area aspect ratio. The subpixel length may define a primary axis when the subpixel aspect ratio is greater than the emissive area aspect ratio; otherwise, the emissive area length may define the primary axis. At least a majority of the emissive areas may be arranged successively widthwise along a secondary axis perpendicular to the primary axis.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: April 23, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: David James Montgomery, Hywel Hopkin
  • Patent number: 11966257
    Abstract: In a flexible display panel and a flexible display device provided by the present application, a bending end of a support layer is configured inwardly to be shorter than a flexible display module to reduce a bending angle of the support layer. In this way, bending stress on the support layer can be reduced, thereby increasing attachment quality of the support layer and improving attachment reliability.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: April 23, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Cuilin Zhu
  • Patent number: 11968878
    Abstract: A display panel is provided in the present disclosure. The display panel has an additional function area, and the display panel includes a substrate, an array layer and a light-emitting device layer disposed in sequence on the substrate, an encapsulation layer covering the light-emitting device layer, and a touch layer disposed on the encapsulation layer. An opening area surrounded by the additional function area is disposed at an edge position of the additional function area. An opening penetrating the array layer and extending to a surface of the substrate is defined by the opening area, and the opening is filled with a light-blocking layer.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: April 23, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Sihang Bai
  • Patent number: 11968868
    Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of pixel island regions spaced apart from each other. A plurality of connection bridge regions connecting adjacent ones of the pixel island regions to each other. At least one of the connection bridge regions includes a first metal layer, a second metal layer, and a third metal layer disposed in a stacked arrangement, and each of the first metal layer, the second metal layer, and the third metal layer is patterned into at least one metal trace.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: April 23, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Likun Cheng, Liang Sun, Shijuan Yi
  • Patent number: 11968875
    Abstract: The present application provides a display panel and a display device. The display panel includes an array substrate, a pixel definition layer, an organic light-emitting layer, a cathode layer, an encapsulation layer, and an absorption layer. The absorption layer is arranged on one side of the pixel definition layer away from the array substrate. The absorption layer is arranged corresponding to at least a portion of the pixel definition layer in a curved display region for selectively absorbing at least one color light, so as to reduce a risk of color shift in a white screen at large viewing angles without causing color shift of images at a vertical viewing angle.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: April 23, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Kan Wang
  • Patent number: 11967294
    Abstract: A common electrode driver includes an inverting amplifier including a first resistor, a second resistor, and an operational amplifier, and a resistance ratio adjustment circuit that adjusts, in accordance with a length of one horizontal scan period, a resistance ratio being a ratio of a resistance value of the second resistor to a resistance value of the first resistor. A feedback voltage is provided to one end of the first resistor. The resistance ratio adjustment circuit sets the resistance ratio when second driving is performed, in which a length of one horizontal scan period is a second time longer than a first time, to be smaller than the resistance ratio when first driving is performed, in which a length of one horizontal scan period is the first time.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: April 23, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Masaki Uehata, Yasuki Mori, Kohji Saitoh, Takayuki Mizunaga, Kazuya Kondoh, Takashi Nojima, Kazuhisa Yoshimoto, Kosuke Kawamoto, Hiroyuki Kito, Kazuki Nakamichi
  • Patent number: 11966542
    Abstract: A touch panel system includes a capacitive touch panel and a controller that controls the touch panel. The touch panel includes drive electrodes and floating island electrodes located on a first substrate and position detection electrodes, pressure detection electrodes, and heat detection electrodes located on a second substrate. The drive electrode overlaps at least part of the heat detection electrode and at least part of the pressure detection electrode, and the floating island electrode overlaps at least part of the position detection electrode in plan view. The controller provides a drive signal to the drive electrodes and the heat detection electrodes and corrects a pressure detection signal obtained from each of the pressure detection electrodes by using a heat detection signal obtained from a change in a coupling capacitance between the pressure detection electrode and the heat detection electrode.
    Type: Grant
    Filed: March 27, 2023
    Date of Patent: April 23, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Kazutoshi Kida, Takenori Maruyama
  • Patent number: 11966058
    Abstract: An ultra-thin lens for augmented reality (AR) display includes: a primary lens, an intermediate lens, and a secondary lens. After entering the primary lens, image light undergoes two total reflections, then enters the intermediate lens and is partially reflected, then is directed to a human eye through the intermediate lens and the primary lens. The secondary lens is configured on the other side of the intermediate lens, and environmental light is directed to the human eye through the secondary lens, the intermediate lens, and the primary lens. According to the ultra-thin lens, total reflection and light splitting functions of the image light are realized respectively through the primary lens and the intermediate lens, so that the entire lens has a thin and light profile.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: April 23, 2024
    Assignee: Beijing NED+AR Display Technology Co., Ltd.
    Inventors: Cheng Yao, Yuhao Xiao, Dewen Cheng
  • Publication number: 20240126126
    Abstract: An array substrate includes a first electrode, scanning lines extending along a first direction, data lines, and common signal lines. The data lines and the common signal lines extend along a second direction. The first electrode includes a first and a second sub-electrode. Each data line is disposed between two common signal lines. Two scanning lines, two common signal lines, and a data line define a first and a second sub-pixel area. The first and the second sub-electrode are disposed within the first and the second sub-pixel area respectively. The first sub-electrode includes a first main portion disposed close to a common signal line and first branch portions spaced along the second direction. A first space is defined between two adjacent first branch portions. Ends of the first branch portions are connected to the first main portion. Another ends of the first branch portions are spaced with a first space.
    Type: Application
    Filed: December 29, 2022
    Publication date: April 18, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventors: Xinru YAO, Li XU, Chengcai DONG, Juncheng XIAO
  • Publication number: 20240130039
    Abstract: The present application provides a display device and an electronic apparatus. The display device includes a panel, a flexible connecting member, a printed circuit board, a cover plate, and a bracket. The flexible connecting member connects the panel and the printed circuit board. The cover plate comprises a flat region and a curved region. An inner surface of the cover plate is attached to a first surface of the panel. The bracket comprises a planar portion. The planar portion horizontally supports the printed circuit board. Accordingly, the present application improves accuracy of a sucking head for sucking the printed circuit board during a bonding process of the printed circuit board.
    Type: Application
    Filed: June 15, 2021
    Publication date: April 18, 2024
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Congcong JIANG
  • Publication number: 20240127737
    Abstract: A pixel circuit, a display panel and a control method are disclosed. The pixel circuit includes a light-emitting device, a driving module, and a light-emitting control module. By inserting the corresponding number of black frame insertion pulses into the light-emitting control signal during the early light-emitting stage and the late light-emitting stage of one frame, the difference between the sum of the light-emitting currents in the early light-emitting stage of said frame and the sum of the light-emitting currents in the late light-emitting stage of said frame can be reduced, and the perceived brightness difference in one frame can be effectively reduced, so as to improve the screen flickers.
    Type: Application
    Filed: May 10, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liang SUN, Mian ZENG
  • Publication number: 20240127738
    Abstract: The present application discloses a pixel circuit and a display panel. The pixel circuit includes a writing module, a transfer module, a first time-division transmission module, a drive module, a second time-division transmission module and a storing module. The storing module and the transfer module can be simultaneously charged with electricity through a data signal, and the storing module can be recharged by the transfer module in a light-emitting phase through the first time-division transmission module, the drive module and the second time-division transmission module.
    Type: Application
    Filed: June 7, 2021
    Publication date: April 18, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Liang SUN, Mian ZENG
  • Publication number: 20240130214
    Abstract: A display module and a display device are provided. The display module includes a fixed function portion and a sliding display portion disposed oppositely. The fixed function portion includes a glass cover plate and a function layer disposed between the glass cover plate and the sliding display portion. The sliding display portion includes a first sub-part close to a side of the fixed function portion and a second sub-part bent and extended from the first sub-part and away from the side of the fixed function portion. The sliding display portion may slide relative to the fixed function portion.
    Type: Application
    Filed: September 6, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wen Han
  • Publication number: 20240126111
    Abstract: A display module, a manufacturing method of the display module, and a spliced module are provided. The display module includes a middle frame, a plurality of planarization layers, and a display panel. A plurality of accommodating grooves are formed on a surface of the middle frame, and the planarization layers are respectively disposed in the accommodating grooves. Supporting surfaces of the planarization layers are coplanar. The display panel is disposed on the supporting surfaces of the planarization layers by a plurality of bonding adhesives. Since the planarization layers are formed by a leveling processing, the planarization layer has good surface flatness.
    Type: Application
    Filed: November 29, 2022
    Publication date: April 18, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Mingjun ZHOU, Guofu TANG, Jianyu CHANG
  • Publication number: 20240126114
    Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate, and a sealant layer. The first substrate includes a ground electrode positioned in a frame region. The second substrate includes a black matrix layer and a protective layer. The protective layer is positioned on a side surface of the black matrix layer close to the first substrate. In the present application, at least one opening is arranged on the protective layer positioned in the frame region, so that the black matrix layer is exposed. By arranging the conductive adhesive in the sealant layer or forming the sealant layer with the conductive adhesive, the black matrix layer can be electrically connected to the ground electrode of the first substrate through the conductive adhesive.
    Type: Application
    Filed: November 17, 2022
    Publication date: April 18, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yanan WANG
  • Publication number: 20240126122
    Abstract: The present disclosure relates to an array substrate. At least one of a pixel electrode and a common electrode in the array substrate has an electrode structure. The electrode structure includes: first and second electrode portions, and a conductive connection portion. The first electrode portion includes a first connection bar and first electrode bars. The second electrode portion includes a second connection bar and second electrode bars. No common line is provided in each of the sub-pixel regions.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yifu CHEN, Yingying QU, Ting DONG, Jianhua HUANG, Lingdan BO, Feng QU
  • Publication number: 20240130158
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a substrate and a light emitting device layer disposed on the substrate, and the light emitting device layer includes a first electrode layer, a light emitting layer, and a second electrode layer disposed on the substrate in a stacked manner. The present application provides a first auxiliary electrode disposed between the substrate and the light emitting layer, where, the first auxiliary electrode includes a first undercut opening penetrating through the first auxiliary electrode, where a side edge of the first auxiliary electrode is exposed within the opening, the light emitting layer is disconnected at first undercut opening, the second electrode layer is disposed continuously at the first undercut opening, and at least a portion of the second electrode layer is in contact with the edge of the first auxiliary electrode.
    Type: Application
    Filed: November 29, 2022
    Publication date: April 18, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jingyuan HU, Fanjing WU
  • Publication number: 20240130205
    Abstract: The present application provides a display panel and a display device. The display panel includes a substrate, a pixel definition layer, a light emitting layer, and a cathode layer. The pixel definition layer is disposed on a side of the substrate. The pixel definition layer includes a pixel aperture region and a non-pixel aperture region. The light emitting layer is disposed in the pixel aperture region. The cathode layer includes a black cathode layer. The black cathode layer covers the non-pixel aperture region. The black cathode layer is configured to absorb light to improve contrast and color purity of the display panel and the display device.
    Type: Application
    Filed: May 18, 2021
    Publication date: April 18, 2024
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jiuhong PENG