Patents Assigned to Display Technologies
  • Patent number: 11886094
    Abstract: Provided is an optical element including: a first liquid crystal cell including first liquid crystal molecules and a first electrode; and a second liquid crystal cell including second liquid crystal molecules and a second electrode, the first and second electrodes disposed to enable switching between a first state twist-aligning the second liquid crystal molecules and vertically aligning the first liquid crystal molecules and a second state twist-aligning the first liquid crystal molecules and vertically aligning the second liquid crystal molecules. Alignment directions of the second liquid crystal molecules near a third substrate and the second liquid crystal molecules near a fourth substrate in the first state are respectively at azimuthal angles resulting from a ΒΌ turn in the same direction of azimuthal angles of alignment directions of the first liquid crystal molecules near the first substrate and the first liquid crystal molecules near the second substrate in the second state.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: January 30, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Daisuke Minami, Hiroaki Asagi, Kiyoshi Minoura
  • Publication number: 20240032344
    Abstract: A display panel and a display device are provided. The display panel includes a first display region and a second display region. A light transmittance rate of the first display region is greater than a light transmittance rate of the second display region. In the first display region, the display panel includes pixel regions and light transmissive regions between the pixel regions. The display panel includes: a pixel definition layer defined with at least one light transmissive hole, wherein the light transmissive hole is located in the corresponding light transmissive region; an auxiliary layer located in the light transmissive hole; and a first electrode layer located on the auxiliary layer.
    Type: Application
    Filed: March 23, 2021
    Publication date: January 25, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Meng JIN, Lei LV, Tao YUAN, Jinchang HUANG
  • Publication number: 20240032229
    Abstract: A display screen and a display device are provided. The display has a bending area. The display screen has a display layer and a cover plate layer. The cover plate layer is located on the display layer. The cover plate layer has a composite portion located in the bending area. A plurality of holes are formed in the composite portion. The holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion.
    Type: Application
    Filed: August 4, 2021
    Publication date: January 25, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wen Han, Zikang Feng
  • Publication number: 20240032367
    Abstract: The present application provides a method of manufacturing a spliced display screen and a spliced display screen. The method of manufacturing a spliced display screen includes: providing a glass substrate and a display panel, wherein the display panel includes a flexible substrate and a display unit, and the display panel includes a bonding area and a non-bonding area; attaching a first protective film to a side of the display unit away from the glass substrate; disposing a supporting glass on a side of the first protective film away from the flexible substrate; separating the glass substrate from the flexible substrate; cutting the first protective film, the display panel, and the supporting glass located in the non-bonding area to obtain a plurality of first components; providing a second protective film, and splicing the plurality of first components on a surface of a side of the second protective film.
    Type: Application
    Filed: December 9, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaobo Hu
  • Publication number: 20240032214
    Abstract: The present disclosure discloses a flexible display device. The flexible display device includes a housing, a telescopic assembly, a flexible screen, and a transmission assembly. Both ends of the flexible screen are connected to the telescopic assembly. The transmission assembly is disposed on the telescopic assembly and movably connected to the housing. The transmission assembly is configured to drive, during the movement relative to the housing, the telescopic assembly to stretch or contract. In this way, the flexible screen is pulled out or rolled for storage.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 25, 2024
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Guobao JIANG
  • Publication number: 20240029674
    Abstract: The present application discloses a display device and a driving method thereof. The method of driving the display device includes: acquiring a picture to be displayed; determining whether the picture to be displayed is a heavy-loaded picture; adjusting a first gamma voltage corresponding to the picture to be displayed to a second gamma voltage if the picture to be displayed is the heavy-loaded picture, wherein corresponding to a same gray scale, a voltage value of the second gamma voltage is less than a voltage value of the first gamma voltage; and driving the display device to display the picture to be displayed according to the second gamma voltage.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yue XI
  • Publication number: 20240029673
    Abstract: A display device and a driving method thereof are provided. The driving method of the display device includes: adjusting a first white balance data table corresponding to an image to be displayed into a second white balance data table if the image to be displayed is a heavy load image and driving the display device to display the image to be displayed according to the second white balance data table, wherein a white balance parameter corresponding to at least one gray level in the first white balance data table is greater than a white balance parameter corresponding to the at least one gray level in the second white balance data table.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 25, 2024
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yue XI
  • Publication number: 20240032211
    Abstract: An embodiment of the present application discloses a display module and a display device. The display module includes a display panel, a backplate layer, a first support layer, a second support layer, and a reinforcing member; wherein an end of the first support layer toward a bending portion is shrunk internally relative to an end of the backplate layer and the second support layer toward the bending portion to form a notch, and the reinforcing member is disposed at least partially within the notch. The present application can solve a problem that a support force is insufficient due to the notch, a stress is relatively concentrated, and the display panel collapses.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 25, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wenjun Zhou
  • Publication number: 20240032334
    Abstract: An organic light-emitting diode display panel and a display device are provided in the present disclosure. The organic light-emitting diode display panel includes a general display region and a light-transmitting display region, wherein the light-transmitting display region corresponds to an under-screen camera placement region; the organic light-emitting diode display panel further includes an array unit and a light-emitting unit disposed on an upper side of the array unit, and the light-emitting unit includes a cathode layer disposed on a surface of the array unit. The cathode layer includes a second cathode portion corresponding to the light-transmitting display region, and a first cathode portion corresponding to the general display region, and the second cathode portion and the first cathode portion are disconnected from each other to connect different voltages respectively.
    Type: Application
    Filed: December 23, 2021
    Publication date: January 25, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yexi SUN
  • Publication number: 20240031463
    Abstract: A display panel and a mobile terminal are provided. The display panel has an effective display area and a non-effective display area disposed in sequence. The non-effective display area has a transition area. Two adjacent first island-shaped structures in the effective display area are connected by bridge-shaped structures. The first island-shaped structures and the binding member in the non-effective display area are connected by the bridge-shaped structures in the transition area, and in a direction from the effective display area to the non-effective display area, a width value of the bridge-shaped structures in the transition area gradually increases.
    Type: Application
    Filed: July 26, 2021
    Publication date: January 25, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bingkun Yin
  • Publication number: 20240032332
    Abstract: A display panel and a manufacturing method thereof are disclosed. Compared with the existing method of forming an under-cut structure through two processes of lithographing and wet etching, the manufacturing method of this disclosure can form the under-cut structure on a passivation layer through one etching process to save the production capacity, to form a double support to an organic light-emitting layer and a cathode through the cooperation of a planarization layer and an anode layer, to enhance a support strength of the cathode to the organic light-emitting layer, and to avoid the collapse risk.
    Type: Application
    Filed: December 14, 2021
    Publication date: January 25, 2024
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd, Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shijian QIN, Lie Zhang
  • Publication number: 20240032400
    Abstract: A display panel and a display device are provided. The display panel further includes a low refractive index layer and a high refractive index layer. The low refractive index layer is defined with a plurality of openings located in a display area and a first groove located in a non-display area. A side of the high refractive index layer away from the low refractive index layer has a protrusion. A distance from the first groove to a top of the protrusion along a first direction is greater than a shortest distance from the first groove to the plurality of openings in the first direction, and wherein the first direction is defined as a direction from the non-display area to the display area.
    Type: Application
    Filed: December 21, 2021
    Publication date: January 25, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jiajia Sun
  • Publication number: 20240030393
    Abstract: Disclosed are a micro light emitting diode display panel, a manufacturing method thereof and a display device. The embodiment micro light emitting diode display panel includes a first metal layer and a second metal layer; the first metal layer includes a source electrode, a drain electrode and a power line; the second metal layer includes a first bonding electrode and a second bonding electrode, and the first bonding electrode is electrically connected to the source electrode through the first via hole, and the second bonding electrode is electrically connected to the power line through the second via hole; the first via hole and the second via hole are both provided with a supporting column.
    Type: Application
    Filed: July 23, 2021
    Publication date: January 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xueru MEI
  • Publication number: 20240032324
    Abstract: An organic electroluminescence module, an encapsulating method, and a display device are provided. The organic electroluminescence module includes a substrate, an organic electroluminescent device disposed on the substrate, a first encapsulation layer disposed on a side of the organic electroluminescent device away from the substrate, and a second encapsulation layer disposed on a side of the first encapsulation layer away from the substrate. The first encapsulation layer is capable of preventing a gas generated by the second encapsulation layer from entering the organic electroluminescent device.
    Type: Application
    Filed: December 20, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wendong Lian
  • Publication number: 20240032226
    Abstract: A hinge, a flexible display panel, and an electronic device are disclosed. The electronic device includes a flexible display panel which includes a flexible display panel main body and a hinge. The hinge includes a first rotation mechanism, a second rotation mechanism, and a moving block. The first rotation mechanism and the second rotation mechanism are interlinked by the moving block, so that an effect of bilateral synchronous movement in the electronic device can be achieved, thereby preventing the flexible display panel main body from being pressed or pulled during folding or unfolding processes.
    Type: Application
    Filed: August 10, 2021
    Publication date: January 25, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Guobao JIANG
  • Publication number: 20240032331
    Abstract: A display panel, a method of manufacturing a display panel, and a machine of manufacturing a display panel are provided. The display panel includes the plurality of stacked metal sub-layers and the first passivation sub-layer and the second passivation sub-layer stacked. The first passivation sub-layer is disposed between the metal layer and the second passivation layer. Material of the first passivation sub-layer includes silicon nitride. The first passivation sub-layer covers the untidy area at the ends of the molybdenum-titanium alloy thin layer to avoid from detachment of the passivation layer, and meanwhile to solve the issues of simplifying the manufacturing process of the display panel, and to avoid from oxidation of the bonding pads.
    Type: Application
    Filed: December 21, 2021
    Publication date: January 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co. Ltd.
    Inventors: Zhijun Wan, Feng Wei, Jinchuan Li, Weiran Cao
  • Publication number: 20240027657
    Abstract: An optical film and a display device are provided. The optical film includes a substrate and a plurality of protrusions disposed on a surface of the substrate. The protrusion includes a center plane, a first inclined surface, and a second inclined surface. The first inclined surface is connected to the center plane. The first inclined surface extends away from the surface of the substrate in a direction away from the center plane. The second inclined surface is connected between the first inclined surface and the surface of the substrate. The second inclined surface approaches the surface of the substrate in the direction away from the center plane.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Zhiyuan YIN, Lixuan CHEN, Ming XU
  • Publication number: 20240028158
    Abstract: Embodiments of the present disclosure disclose a touch display panel, which includes a plurality of touch sub-units and a plurality of connection wires, wherein the plurality of touch sub-units include the touch sub-units extending in a first direction and a second direction, and two adjacent columns of the touch sub-units extending in the second direction are electrically connected via connection wires; in one of touch electrode repetition units, the connection wires distributed in the first direction are disposed in a misaligned manner in the second direction.
    Type: Application
    Filed: August 3, 2021
    Publication date: January 25, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Chao CHEN, Jian YE, Simin ZHU
  • Publication number: 20240028084
    Abstract: The present application provides foldable hinge and a foldable display device. The foldable hinge includes a first support plate, wherein the first support plate is provided with at least two opposite arc-shaped grooves; two second support plates located on opposite sides of the first support plate; and at least two rotating mechanisms including a fixed plate fixed on one of the second support plates; and an arc-shaped arm connected to the fixed plate, wherein the arc-shaped arm is at least partially received and slided in the arc-shaped groove to drive the corresponding second support plate being unfolded or folded relative to the first support plate.
    Type: Application
    Filed: September 1, 2021
    Publication date: January 25, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zikang Feng
  • Publication number: 20240030242
    Abstract: The application discloses an array substrate, a preparation method thereof, and a display panel. The array substrate includes a substrate and a touch unit. The substrate includes a non-pixel region. The touch unit is disposed on the substrate, and the touch unit is located in the non-pixel area. The touch unit includes a touch transistor disposed on the substrate, a pressure-sensitive layer, and a first touch electrode. The touch transistor comprises a first gate. The pressure-sensitive layer and the first touch electrode are sequentially stacked on the first gate.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo