Patents Assigned to Shenzhen China Star Optoelectronic Semiconductor Display Technology Co., Ltd.
  • Publication number: 20240138209
    Abstract: The present application discloses an OLED display panel and a manufacturing method thereof. The OLED display panel includes: a base layer, an active layer, a gate insulating layer, a first metal layer, and a second metal layer, wherein the active layer includes a channel portion, a source contact portion, a first electrode, and an anode; the second metal layer is arranged above the first metal layer and connected to the source contact portion; the insulating layer, the first metal layer, and the second metal layer are stacked, and an opening is defined in the insulating layer at the position corresponding to the anode.
    Type: Application
    Filed: April 14, 2022
    Publication date: April 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shuai Zheng, Zhaosong Liu
  • Publication number: 20240135849
    Abstract: The present application provides a gate driving circuit, a driving method, and a display panel. The gate driving circuit includes a pull-up control module, a pull-up module, a pull-down control module, a pull-down module, and a voltage stabilizing module. The pull-down node and the pull-up control module are connected to the voltage stabilizing module, which is not only reduce a leakage current of the pull-down node in the high potential state to stabilize the high potential of the pull-down node, but also maintain the level of the pull-down node in the low potential state to stabilize the low potential of the pull-down node.
    Type: Application
    Filed: December 30, 2022
    Publication date: April 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhenyang Qiao, Liuqi Zhang, Baixiang Han
  • Publication number: 20240138193
    Abstract: An organic light emitting diode (OLED) display panel includes a substrate, a thin film transistor (TFT) layer, a planarization layer, and a pixel definition layer which are arranged in sequence. The planarization layer is provided with first via holes, and the pixel definition layer is provided with second via holes and a through hole. Each first via holes communicates with one of the second via holes. The OLED display panel further includes a light-emitting device layer. The light-emitting device layer includes an anode, a light-emitting layer, and a cathode sequentially arranged on one side of the planarization layer. The light-emitting layer is arranged in the through hole. The cathode covers the pixel definition layer, the first via hole, the second via hole, and the light-emitting layer.
    Type: Application
    Filed: April 14, 2022
    Publication date: April 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shijian Qin, Xiaotong Chen
  • Publication number: 20240135883
    Abstract: A pixel driving circuit, a display panel and a driving method of the pixel driving circuit are provided by the present disclosure. The pixel driving circuit includes a driving transistor, a reset module, a writing module, a first control module, and a light emitting device. The pixel driving circuit with the 5T2C structure can compensate the threshold voltage drift of the driving transistor, improve the luminous uniformity of the light emitting device, and further improve the image quality.
    Type: Application
    Filed: December 28, 2022
    Publication date: April 25, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yi WU, Shijian BAO
  • 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: 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
  • Patent number: 11961853
    Abstract: A color filter substrate and a manufacturing method thereof are provided. A plurality of grating structures, a sensor unit and a switch unit are integrated on the color filter substrate. As such, in addition to an original light-filtering function, the color filter substrate is given functions of polarizing light rays and sensing light rays.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: April 16, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Haijun Wang
  • Patent number: 11961437
    Abstract: The embodiment of the present disclosure provides a display panel and a display apparatus. The display panel includes a long side, a short side, a display pixel, a scan driving circuit, a drive circuit board, and chips on film. one end of each chip on film is coupled to the short side, and another end is coupled to the drive circuit board. The drive circuit board and the scan driving circuit of the embodiment of the present disclosure are respectively located on the short side and the long side of the display panel to improve the problem that the font is easily deformed during display.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: April 16, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Deyan Li, Jianhong Chen, Peng Du, Xiaoming Chen
  • Patent number: 11961446
    Abstract: The present application discloses a display driving method and device, and a display device, by obtaining Gaussian probability of a preset scene in a to-be-displayed image with respect to a preset color, comparing the Gaussian probability with a predetermined threshold, and setting the polarities of sub-pixels, the driving method of the present application reduces the risk of crosstalk caused by the fact that the voltage drops of the coupling capacitance on the adjacent data lines cannot be canceled each other out.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: April 16, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jhenwei He
  • Patent number: 11961449
    Abstract: A liquid crystal display (LCD) and a method for compensating current leakage of the LCD are provided. The LCD includes a thin film transistor (TFT) array having a plurality of TFTs, a gate driver configured to provide a scan signal, a source driver configured to provide a data signal, and a timing controller electrically connected to the gate driver and the source driver. The timing controller is configured to adjust a current refresh frequency according to a current frame rate and to transfer a control signal to the gate driver when the current refresh frequency is lower than a threshold frequency such that the gate driver increase a charging time of the plurality of TFTs according to the control signal.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: April 16, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wenwu Liao, Mingwei Chen
  • Publication number: 20240122035
    Abstract: A display panel and a display device are provided. The display panel includes an array substrate and a plurality of first transparent electrodes disposed on the array substrate, and a material of the first transparent electrode is an organic transparent conductive material. The display panel and the display device in the present disclosure can overcome problems that an indium tin oxide transparent electrode in a conventional flexible display device is easily broken and is easily separated from an alignment layer, thereby effectively improving the bending resistance and the stability of a flexible display panel.
    Type: Application
    Filed: August 27, 2021
    Publication date: April 11, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Linshuang LI
  • Publication number: 20240122018
    Abstract: An embodiment of the present invention discloses a display panel and a manufacturing method thereof. The display panel includes a driver wiring layer, an electron transport layer, an electron injection layer, and a cathode layer. The driver wiring layer includes a cathode voltage line, and the electron transport layer is connected to the cathode voltage line. The cathode layer is connected to the electron injection layer. Patterns of the electron transport layer and the electron injection layer are the same as a pattern of the cathode layer. The display panel further includes a resistance reduction layer located between the cathode voltage line and the electron transport layer. The present invention simultaneously patterns the cathode layer, the electron injection layer, and the electron transport layer by a mask plate and forms the same patterns.
    Type: Application
    Filed: October 30, 2022
    Publication date: April 11, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Zhijun WAN, Jinchuan LI, Weiran CAO
  • Patent number: 11953793
    Abstract: A display panel and a display module are provided. The display panel includes a first base, a black matrix layer, and a color resist layer, wherein the black matrix layer includes a plurality of openings, the color resist layer is disposed above the first base and filled in the plurality of openings. A light reflectivity of a side of the black matrix layer away from the first base is greater than a light reflectivity of a side of the black matrix layer close to the first base.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: April 9, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanfen Li, Lixuan Chen, Xingwu Chen
  • Patent number: 11954397
    Abstract: A display panel and a display device are provided. In the display panel, a display module includes a first display area and a second display area. The first display area is used to display video images, the second display area is used to display decorative images, and the second display area is positioned on an outer peripheral side of the first display area. A bonding adhesive is transparent and is at least pasted on the second display area, and a cover plate is pasted on the bonding adhesive. The second display area is an appearance display area.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 9, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Mingjun Zhou
  • Patent number: 11957036
    Abstract: A perovskite light-emitting diode and a method of manufacturing the same are provided. The method includes steps of providing a substrate, disposing a first electrode layer, a hole transport layer, and a perovskite precursor liquid layer on the substrate, coating the perovskite precursor liquid layer with a first solvent, performing a first thermal process to form a perovskite prefabricated layer, coating the perovskite prefabricated layer with a second solvent, and performing a second thermal process to form a perovskite light-emitting layer.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 9, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yongwei Wu
  • Patent number: 11957021
    Abstract: The present invention discloses a display device and a manufacturing method thereof having a light emission backplate, color conversion layer and a color film layer. The color conversion layer includes a red light conversion unit, a green light conversion unit, and an opening unit. The red light conversion unit and/or green light conversion unit includes calcium titanate light emitting material and scattering particles stacked in the calcium titanate light emitting material. In a vertical direction pointing from a surface of the color conversion layer near the light emission backplate to a surface away from the light emission backplate, a refractive index of the scattering particles gradually increases.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: April 9, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yongwei Wu
  • Patent number: 11957000
    Abstract: An organic light emitting diode display panel in this disclosure comprises a base substrate, an array layer disposed on the base substrate, and a planarization layer disposed on the array layer. The OLED display panel further comprises anodes disposed on the planarization layer, and a pixel definition layer located between the anodes adjacent to each other. A luminescent layer, a cathode, and an encapsulation layer are provided on the anodes. A preparation material of the pixel definition layer is a light-shading material. By the pixel definition layer made of a light-shading material, the light shading effect of the OLED display panel is greatly enhanced, and the influence of the lateral light leakage of the OLED display panel on the TFT device is prevented.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: April 9, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Letao Zhang, Liangfen Zhang
  • Patent number: 11957004
    Abstract: An OLED display panel and fabrication method thereof are provided by the present application. The OLED display panel includes a substrate, a transparent conductive layer, a buffer layer, a metal oxide semiconductor layer, a gate insulating layer, a gate layer, an interlayer insulating layer, a source-drain layer, and an OLED device layer that are stacked. A light emitting direction of the OLED device layer faces the substrate. In the present application, a conductive electrode and a first electrode plate of a transparent capacitor are both patterned and formed with the transparent conductive layer, and only one process is required. Therefore, a mask is saved and fabrication cost is reduced.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: April 9, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xingyu Zhou
  • Publication number: 20240114724
    Abstract: A display panel is provided. The display panel includes a substrate, and a plurality of anodes, a pixel definition layer, a light-emitting layer, and a cathode layer that are laminated on the substrate. By collecting the anodes spaced apart from each other in a first direction in a same first pixel opening, number of the first pixel openings in the display area can be reduced, and number of ink droplets that can be sprayed within a single first pixel opening can be increased, so that a risk of bridging between adjacent ones of pixel openings can be lowered.
    Type: Application
    Filed: October 28, 2022
    Publication date: April 4, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ying Yan, Shijian Qin, Hui Huang
  • Publication number: 20240113204
    Abstract: A method for fabricating a display panel includes: forming a plurality of N-type doped amorphous silicon structures on a substrate; forming an amorphous silicon layer covering the N-type doped amorphous silicon structures and the substrate; blue laser annealing the amorphous silicon layer and the N-type doped amorphous silicon structures, so that the N-type doped amorphous silicon structures are converted into N-type heavily doped polysilicon structures, a part of the amorphous silicon layer in contact with one of the N-type doped amorphous silicon structures and located between two adjacent N-type doped amorphous silicon structures is converted into an N-type lightly doped polysilicon structure, and other parts of the amorphous silicon layer are converted into a polysilicon layer; and patterning the polysilicon layer to form a semiconductor layer.
    Type: Application
    Filed: November 25, 2022
    Publication date: April 4, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jinming LI