Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
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Patent number: 12159588Abstract: A pixel circuit including a drive transistor connected between a first power supply line and a second power supply line; a first compensation transistor having a first electrode electrically connected to a gate of the drive transistor, and a gate electrically connected to a scan line; a second compensation transistor having a first electrode electrically connected to a second electrode of the first compensation transistor, a second electrode electrically connected to a first electrode or a second electrode of the drive transistor, and a gate electrically connected to a first control line, and a third compensation transistor having a first electrode electrically connected to the second electrode of the first compensation transistor and the first electrode of the second compensation transistor, a gate electrically connected to a second control line, and a second electrode electrically connected to a first potential line.Type: GrantFiled: November 29, 2023Date of Patent: December 3, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Tao Chen
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Patent number: 12161022Abstract: A display panel and a display device are disclosed. The display panel includes a substrate, a cathode suppression layer, a cathode, and a polarizer. The cathode suppression layer includes a first cathode suppression portion located in a first light-transmitting area. The cathode is located in a first light-emitting area and the first light-transmitting area, and covers at least part of the first cathode suppression portion. The polarizer includes a first light-transmitting portion located in the first light-transmitting area. A projection of the first light-transmitting portion projected on the substrate is located within a boundary of a projection of the first cathode suppression portion projected on the substrate.Type: GrantFiled: August 4, 2021Date of Patent: December 3, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Lei Lv, Meng Jin, Tao Yuan, Jinchang Huang
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Patent number: 12161040Abstract: A display panel is provided. A display panel has a light-emitting layer including a first light-emitting pixel and a second light-emitting pixel. A first pixel opening is provided in the first light-emitting pixel. A passivation layer and the second light-emitting pixel are disposed in an overlapped manner. In addition, a height from a bottom surface of a color resist in a first light-emitting pixel region to a substrate is different from a height from a bottom surface of a color resist in a second light-emitting pixel region to the substrate, so that a light output rate and a performance in the display panel are effectively enhanced.Type: GrantFiled: December 22, 2021Date of Patent: December 3, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Jiaxu Yao
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Patent number: 12156428Abstract: A display panel and a display device are provided. In the display panel, at least one odd-numbered thin film transistor is sequentially turned on to charge sub-pixels of a corresponding odd-numbered row before charging sub-pixels of any one of odd-numbered rows is finished, and at least one even-numbered thin film transistor is sequentially turned on to charge sub-pixels of a corresponding even-numbered row before charging sub-pixels of any one of even-numbered rows is finished, thereby saving the number of uses of data traces and thin film transistors, as well as enhancing the timeliness of data signal transmission.Type: GrantFiled: September 1, 2021Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jun Zhang, Songpo Xiang, Tao Chen
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Patent number: 12154482Abstract: 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: GrantFiled: June 7, 2021Date of Patent: November 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Liang Sun, Mian Zeng
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Patent number: 12154475Abstract: The present application provides a display panel and a grayscale compensation method. The grayscale compensation method first divides a display area of the display panel into a first display sub-area and a second display sub-area, and then takes average brightness of the at least one second display sub-area as target brightness and compensates a grayscale of each sub-pixel in the at least one second display sub-area. Accordingly, the present application not only improves the brightness uniformity of the display area, but also requires less gray scale compensation data.Type: GrantFiled: May 18, 2022Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Jinlong Zheng, Chunsheng Li, Kuo Wang
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Patent number: 12154476Abstract: The present disclosure provides a luminance adjustment method and device of a display panel. In the method, firstly, a difference between the luminance parameters of different regions of the target panel are obtained, and temperatures of different regions of the target panel are obtained according to the difference of the luminance parameters of the different regions of the target panel. Then, luminance compensation parameters of the corresponding regions are obtained according to a correlation of the luminance to the temperature and a difference of the operating temperatures of the different regions, and finally, the luminance of a corresponding region is compensated according to the luminance compensation parameters.Type: GrantFiled: March 15, 2022Date of Patent: November 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yedong Wang, Jia Zhang
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Patent number: 12156432Abstract: A display panel includes a substrate; and a thin film transistor (TFT) array layer disposed on the substrate, the TFT array layer being provided with a first TFT, a plurality of second TFTs, and a storage capacitor arranged at intervals therein; wherein the first TFT comprises a polysilicon semiconductor layer and a first gate electrode laminated on each other, each of the second TFTs comprises an oxide semiconductor layer and a second gate electrode laminated on each other, the storage capacitor comprises a first polar plate and a second polar plate opposite to each other, the first polar plate is disposed in a same layer and comprises a same material as the first gate electrode, and the second polar plate is disposed in a same layer and comprises a same material as the second gate electrode.Type: GrantFiled: December 21, 2023Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jixiang Gong
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Patent number: 12156461Abstract: An organic light-emitting diode (OLED) display device is provided, which includes an OLED display module, the OLED display module includes a plurality of sub-display sections, adjacent sub-display sections are dynamically connected to each other, and the sub-display sections can be expanded and integrated into a large-area display region, or dynamically accommodated to form at least one display section. By dynamically connecting multiple sub-display sections, a large-sized flexible display screen can be folded.Type: GrantFiled: November 18, 2020Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Wenqiang Wang
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Patent number: 12154501Abstract: The present invention provides a display control method of a display panel, a display module, and a display device. Pulse widths of first pulses corresponding to non-display phases in one frame period in an emission start signal are at least partially different, so that pixel driving circuits adjust light-emitting durations of light-emitting devices corresponding to each display phase according to emission control signals. Accordingly, a display brightness of each light-emitting device can be adjusted within one frame period, and a flickering problem can be alleviated.Type: GrantFiled: May 26, 2022Date of Patent: November 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Tao Chen
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Patent number: 12152183Abstract: A fluorescent material and a method of synthesizing thereof are provided. The fluorescent material includes a formula (1) as follows: and Y is N or B; X1 and X2 are the same or different; X1 and X2 are selected from C or Si; R1, R2, R3, and R4 are the same or different; R1, R2, R3, and R4 are selected from a hydrogen atom, an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; R5, R6, R7, and R8 are the same or different; R5, R6, R7, and R5 are selected from an alkyl group, an aromatic hydrocarbon group, or a heteroaryl group; or R5 and R6 form a cyclic group; or R7 and R8 form a cyclic group.Type: GrantFiled: April 14, 2020Date of Patent: November 26, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xu Wang, Yanjie Wang
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Patent number: 12154498Abstract: The present application provides a display panel. The display panel includes a substrate; and a pixel driving circuit layer including a plurality of pixel driving circuits, wherein each of the pixel driving circuits includes a first capacitor and a second capacitor that are arranged on a same metal layer, so as to achieve low-frequency display, and meanwhile reduce power consumption of the pixel driving circuits.Type: GrantFiled: May 31, 2021Date of Patent: November 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Bo Li
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Publication number: 20240387786Abstract: A display panel and a display device are provided. The display panel includes a functional area, a package area around the functional area, a display area around the functional area, and includes at least one winding lines disposed in the display area. The winding line includes a first linear section and a second linear section extending along a same direction and separated by the functional area and the package area, and includes a winding section connecting the first linear section and the second linear section. The first linear section and the second linear section are arranged in a same layer, and the winding section and the first linear section are arranged in different layers. A projection of the winding section in a thickness direction of the display panel falls within a projection of other metal layers of the display panel in the thickness direction.Type: ApplicationFiled: April 17, 2023Publication date: November 21, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Shuyuan ZHANG
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Patent number: 12147639Abstract: A touch substrate and a display panel are provided. The touch substrate includes a plurality of touch units. Each of the touch units includes a first electrode and a second electrode disposed electrically insulated from each other. The first electrode includes a first main branch electrode extending along a first direction, and at least one first branch pattern and at least one third branch pattern respectively disposed on two sides of the first main branch electrode. The second electrode includes a second main branch electrode extending along a second direction perpendicular to the first direction, and at least one second branch pattern and at least one fourth branch pattern respectively disposed on two sides of the second main branch electrode.Type: GrantFiled: June 27, 2022Date of Patent: November 19, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhen Zhang, Jian Ye
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Patent number: 12150327Abstract: An organic light-emitting diode display device is provided by the present application, including an anode layer, a cathode layer, and a light-emitting layer disposed between the anode layer and the cathode layer, wherein the light-emitting layer includes a first light-emitting layer and a second light-emitting layer stacked. The first light-emitting layer includes a first color light-emitting part, a second color light-emitting part, and a third color light-emitting part arranged in a same layer. The second light-emitting layer is configured to emit light of a first color, and the second light-emitting layer is disposed at a side of the first light-emitting layer and covers the first light-emitting layer.Type: GrantFiled: September 10, 2020Date of Patent: November 19, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Weiwei Li
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Patent number: 12148758Abstract: An array substrate and a manufacturing method thereof, and a display panel are provided. A first thin film transistor includes a first electrode, a second electrode, a first active pattern, and a first gate electrode. The first active pattern extends in a thickness direction of the array substrate. The first gate extends in the thickness direction of the array substrate. At least two of first sidewalls of the first electrode of the first thin film transistor and at least two second sidewalls of the second electrode of the first thin film transistor are disposed surround a first opening which penetrating the first thin film transistor.Type: GrantFiled: November 26, 2021Date of Patent: November 19, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Haiyan Shen, Hui Zheng, Can Huang, Wenxu Xianyu, Chunpeng Zhang
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Patent number: 12150357Abstract: The present invention provides a display panel and a display device. The display panel includes a first fan-out region, a bonding region disposed on a side of the first fan-out region, a second fan-out region disposed on a side of the bonding region away from the first fan-out region, a plurality of first metal lines, a plurality of second metal lines, wherein a resistivity of the second metal lines is less than a resistivity of the first metal lines, and a plurality of connecting lines, wherein one end of each of the connecting lines is connected to the first metal line, and the other end of each of the connecting lines is connected to the second metal lines.Type: GrantFiled: June 24, 2020Date of Patent: November 19, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Weiwei Yang
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Patent number: 12147268Abstract: A deformation control method and a deformation control device for a flexible display panel are provided. The deformation control device includes an acquisition module configured for acquisition of deformation data of the flexible display panel, a comparison module configured to compare the deformation data with a deformation threshold, and a control module configured to output a control instruction according to a comparison result. The control instruction is configured to control a driving device to operate in an operation mode according to the control instruction, so that the flexible display panel is enabled to deform.Type: GrantFiled: December 20, 2021Date of Patent: November 19, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Qi Hu
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Patent number: 12148369Abstract: A display panel including a pixel driving circuit is provided. The pixel driving circuit includes a first pixel driving circuit layer, a second pixel driving circuit layer, and a capacitor. The capacitor is electrically connected with a transistor of the first pixel driving circuit layer. The capacitor includes a first electrode plate. The second pixel driving circuit layer is arranged on the first electrode plate. At least one transistor of the second pixel driving circuit layer at least partially overlaps with the first electrode plate, so that the space occupied by the pixel driving circuit can be saved.Type: GrantFiled: December 21, 2021Date of Patent: November 19, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Le Zhang
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Patent number: 12147633Abstract: The present application provides a touch display panel and a touch display device. Dummy lines in a same layer as touch signal lines are added in a wiring layer. A difference between a number of electrode lines disposed between two adjacent touch signal lines and a number of electrode lines disposed between two adjacent dummy lines is less than or equal to 1. Therefore, a distribution density of the touch signal lines is close to or same as a distribution density of the dummy lines. Accordingly, the present application can reduce a structural wiring difference between an area where the touch signal lines are located and an area where the dummy lines are located in the touch display panel.Type: GrantFiled: May 23, 2022Date of Patent: November 19, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zuzhao Xu