Patents Assigned to Wuhan China Star Optoelectronics Technology Co., Ltd.
  • Display panel and electronic device
    Patent number: 12156349
    Abstract: A display panel and an electronic device including the display panel are provided. The display panel includes a binding region and a signal bus line region. The signal bus line region includes a first region defined aligned to the binding region and a second region located on two opposite sides of the first region. By reducing a distance between sides away from each other of a first and a last of the signal bus lines in the first region, a distance between the binding region and the display region is reduced, thereby reducing a width of a lower bezel of the display panel.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: November 26, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Zuoyuan Xu
  • SEMICONDUCTOR DEVICE AND DISPLAY PANEL
    Publication number: 20240387556
    Abstract: A semiconductor device and a display panel are disclosed. The semiconductor device includes an insulating substrate and a thin film transistor on the insulating substrate. The thin film transistor includes a protrusion and an active layer. The protrusion includes a first sub-protrusion on the insulating substrate, and a second sub-protrusion on the first sub-protrusion. The second sub-protrusion completely covers a side of the first sub-protrusion away from the insulating substrate. The active layer includes a first ohmic contact portion, a channel portion connected to the first ohmic contact portion, and a second ohmic contact portion connected to the channel portion. The first ohmic contact portion is at least partially disposed on the insulating substrate. The channel portion is fitted to a side surface of the first sub-protrusion and a side surface of the second sub-protrusion.
    Type: Application
    Filed: September 27, 2023
    Publication date: November 21, 2024
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Fei AI, Zhuang LI, Wenhui XIONG
  • Display device having wide viewing angle in sharing mode
    Patent number: 12147139
    Abstract: The present application provides a display device, when the display device is in a first display mode, a transmittance of first optical units to light is less than a transmittance of second optical units to light, so that diffracted light is emitted due to a phenomenon that apertures in a diffraction panel are alternating between light and dark. After the diffracted light emitted by the diffraction panel passes through a display panel, the display device has a wide viewing angle in the first display mode.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: November 19, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qian Deng, Wei Cheng
  • Display device and vehicle monitoring device
    Patent number: 12147113
    Abstract: A display device and a vehicle monitoring device are provided. The display device includes a display area and an infrared light-transmitting area adjacent to the display area. The display device includes a display panel, a backlight module, and an infrared sensor disposed on a side of the backlight module away from the display panel and corresponding to the infrared light-transmitting area. The display panel includes a display functional layer disposed in the display area. The display functional layer includes a color resist layer disposed in the display area.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: November 19, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Teng Wu, Gengxiu Diao
  • Electromagnetic touch screen and electromagnetic touch device
    Patent number: 12147640
    Abstract: An electromagnetic touch device and an electromagnetic touch screen are provided. The electromagnetic touch device includes the electromagnetic touch screen. The electromagnetic touch screen is coupled with a stylus. The electromagnetic touch screen includes transmitting coils and receiving coils. The transmitting coils are correspondingly arranged in a peripheral area around the receiving coils. During interaction between the stylus and the electromagnetic touch screen, the transmitting coils transmit transmitting signals to generate a first magnetic field through which the stylus is charged. When a touch operation is performed, the receiving coils generate receiving signals according to a second magnetic field generated by the stylus, a touch point of the stylus is obtained according to the receiving signals.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: November 19, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chuan Shuai, Rui He, Guowei Zha
  • Semiconductor device and electronic device
    Patent number: 12148839
    Abstract: The present application provides a semiconductor device and an electronic device. In the semiconductor device, a metal layer is provided on the side of the active layer facing the buffer layer, and the metal layer includes at least one metal block, so that the metal block is in direct contact with at least part of the active layer, then when the active layer is converted from amorphous silicon to polycrystalline silicon, due to the catalytic effect of the metal block, the size of the crystal grains in the polycrystalline silicon becomes larger, which reduces the crystal grain boundaries in the polycrystalline silicon and improves the mobility of the semiconductor device.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: November 19, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chengzhi Luo
  • DISPLAY DEVICES
    Publication number: 20240377046
    Abstract: The disclosure provides a display device, and the display device includes a back frame and an optical diaphragm group. The back frame includes a bottom plate and a plurality of connection plates connected to a same side of the bottom plate to define an accommodation groove in the back frame, a side of the connection plates close to the accommodation groove is provided with a sliding slot, and a notch of the sliding slot is provided facing the accommodation groove. The optical diaphragm group is disposed in the accommodation groove and clamped into the sliding slot. The back frame further includes at least one fixation member disposed on the connection plates, and the optical diaphragm group further includes at least one connection member matching and connected to the at least one fixation member.
    Type: Application
    Filed: March 30, 2023
    Publication date: November 14, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shuliang YU
  • Display panel and display device
    Patent number: 12140827
    Abstract: A display panel and a display device are provided by the present application. The display panel includes a photosensitive functional region, and an optical waveguide module is disposed on a light-emitting side of the panel main body. The optical waveguide module comprises an optical coupling-in part, an optical waveguide layer, and an optical coupling-out part. The optical coupling-in part is connected with the optical waveguide layer, the optical coupling-out part is connected with the optical waveguide layer. The optical coupling-out part is positioned at a side of the light coupling-in portion and opposites to the photosensitive functional region. The optical coupling-out part is configured to introduce part of the light from the outside world. The optical waveguide layer is configured to guide the light introduced by the optical coupling-in part.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: November 12, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Qian Deng, Wei Cheng
  • Driving circuit, driving method thereof, and display device
    Patent number: 12142191
    Abstract: A driving circuit, a driving method thereof, and a display device are provided, including making a first switch connected to a gate of a driving transistor be in a first state during a previous frame, and be in a second state in a current frame, and making a second switch in series with the first switch be in the second state in the previous frame, and be in the first state in the current frame, wherein the first state is one of a conducting-and-cut-off switching state or a constantly conducting state, and the second state is the other of the conducting-and-cut-off switching state or the constantly conducting state.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 12, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haiming Cao, Yanqing Guan
  • ARRAY SUBSTRATE AND DISPLAY PANEL
    Publication number: 20240371885
    Abstract: An array substrate and a display panel are provided. The array substrate includes transistors. Each transistor includes an active portion and a first gate, and the active portion is disposed on the substrate. The active portion includes at least one semiconductor portion and at least one epitaxial sharp corner portion connected to the semiconductor portion and protruding from the semiconductor portion in a first direction. In the first direction, the epitaxial sharp corner portion is located on one side of the semiconductor portion, the first gate is located on the semiconductor portion and the epitaxial sharp corner portion, and the first gate extends along the first direction.
    Type: Application
    Filed: December 20, 2021
    Publication date: November 7, 2024
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yiyu GUO
  • BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20240369879
    Abstract: The present application provides a backlight module and a liquid crystal display device; the first portion of the slit adhesive is formed with a notch, so that when internal stress generates in the slit adhesive due to environmental changes, the internal stress can be released through the notch, thereby preventing the slit adhesive from warping and improving the yield of the backlight module.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 7, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuanyuan REN, Mengjie LI, Chengxu MA, Zhuo ZHANG
  • Driving substrate, display panel, and manufacturing method of driving substrate
    Patent number: 12135486
    Abstract: Embodiments of the present disclosure disclose a driving substrate, a display panel, and a manufacturing method of the driving substrate. In the driving substrate, a first electrode is connected to a first thin film transistor; a photosensitive diode includes a first semiconductor layer and an intrinsic semiconductor layer sequentially disposed on the first electrode, the intrinsic semiconductor layer wraps the first semiconductor layer and the first electrode; and a second conductive layer is disposed on the photosensitive diode. The second conductive layer includes a second electrode, and the second electrode covers the photosensitive diode.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: November 5, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jiyue Song, Fei Ai
  • Display panel and display device
    Patent number: 12136396
    Abstract: The present application provides a display panel and a display device. An N-th auxiliary unit is arranged in a display area of the display panel. An output end of the N-th auxiliary unit is connected to an N-th scan line. By connecting the auxiliary unit arranged in the display area to the corresponding scan line, a falling edge of a scan signal transmitted in the scan line can have sharp falling or a rising edge of the scan signal can have sharp rising, which can alleviate a signal distortion problem caused by transmission delay in the display area.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: November 5, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chao Tian, Yanqing Guan, Guanghui Liu, Fei Ai
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240363047
    Abstract: A display panel and a display device are provided. Waveform adjustment modules with a higher distribution density are arranged in an area of a display area farther away from a gate driving circuit. This way, a problem of significant delays of scan signals in the display panel is improved, and the scan signals have the same or similar delays at different positions of the display area, which is advantageous for improving the display uniformity.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 31, 2024
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Mingyue LI, Chao TIAN, Fei AI
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240363067
    Abstract: A display panel and the display device are provided in the present disclosure. The display panel includes a photosensitive display circuit. The photosensitive display circuit includes a light-emitting diode, a pixel driving circuit, and a photosensitive circuit. By multiplexing the light-emitting diode, can not only achieve normal display function under the condition that the light-emitting diode is forward biased, but also achieve light detection according to the photo-generated current following through the light-emitting diode under the condition that the light-emitting diode is reverse biased or no biased. This alleviates the need for an additional light sensor, thereby reducing the cost and size of the display product.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 31, 2024
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Can HUANG, Rui HE, Guowei ZHA
  • SEMICONDUCTOR DEVICES AND ELECTRONIC DEVICES
    Publication number: 20240363761
    Abstract: A semiconductor device and an electronic device are provided by the present disclosure. The active layer is provided by the semiconductor device to include a conductor portion, so that a projection of the conductor portion on the substrate is located within a projection of the gate on the substrate. The conductor portion is not controlled by the gate, so the width of the channel portion may be controlled by controlling the width of the gate and the width of the conductor portion, so that the channel length may break through the accuracy limit of the exposure machine, thereby improving the mobility of the thin film transistor.
    Type: Application
    Filed: February 28, 2023
    Publication date: October 31, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zemin HU
  • DISPLAY PANEL
    Publication number: 20240363758
    Abstract: A display panel is provided by embodiments of the present application, a thin film transistor includes: a first gate electrode including a first side slope, a second side slope oppositely arranged, and a top surface; a first gate insulating layer covering the first gate electrode; a semiconductor layer arranged on the first gate insulating layer, wherein the semiconductor layer includes a first end, a second end, and a channel arranged between the first end and the second end, the second end is at least partially on the top surface, the channel is at least partially located on the first side slope.
    Type: Application
    Filed: February 28, 2023
    Publication date: October 31, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Zhuang LI
  • Organic light emitting display panel including metal nanoparticle layer configured to absorb ultraviolet rays, and manufacturing method thereof
    Patent number: 12133448
    Abstract: The embodiments of the present application disclose an organic light emitting display panel and a manufacturing method thereof. The organic light emitting display panel includes an organic light emitting diode layer and a metal nanoparticle layer. The metal nanoparticle layer is disposed on a side of the organic light emitting diode layer in contact with external environment, wherein metal nanoparticles of the metal nanoparticle layer can use their own surface plasmon resonance absorption effect to absorb ultraviolet rays emitted from external environment to the organic light emitting diode layer, thereby preventing ultraviolet rays from irradiating the organic light emitting diode layer.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: October 29, 2024
    Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Qile Wang
  • Display panel and electronic device
    Patent number: 12130515
    Abstract: The present application provides a display panel and an electronic device. The electronic device includes a display panel. The display panel includes a backlight module. The backlight module includes a frame, an optical film group, and a fixing block. Movements of the optical film group can be limited in a thickness direction of the display panel by pressing the fixing block on the optical film group. Therefore, optical films can be fixed, so problems of abnormal noise, displacement, and scratches of the optical films in the display panel adopting a direct-lit mini light-emitting diode (LED) light source are prevented.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: October 29, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zheng Zhou, Suimang Song
  • Curved display panel and curved display device
    Patent number: 12130509
    Abstract: A curved display panel and a curved display device are disclosed in the present application. The curved display panel includes a plurality of sub-pixels. The curved display panel has a central line and a central display area, and the central display area is symmetrical with respect to the central line. Aperture ratios of the sub-pixels located in the central display area gradually increase along a direction from a position away from the central line to the central line, and a difference between the aperture ratios of adjacent two of the sub-pixels is less than or equal to 2%. The split-screen probability of the curved display panel is reduced in the present application.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: October 29, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Guoyu Zhang, Gengxiu Diao