Patents Assigned to Display Technologies
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Publication number: 20250098482Abstract: The present application discloses a display module and a display device. An end of a bending portion is connected to a display portion, and the other end of the bending portion is bent toward a side of the display portion close to a binding portion and is connected to the binding portion. A composite functional layer includes a buffer sublayer attached to a side of the display portion close to the binding portion, and a support sublayer attached to a side of the buffer sublayer away from the display portion. The binding portion is attached to a side of the support sublayer away from the buffer sublayer, and the buffer sublayer includes a polyurethane rubber material containing silicon.Type: ApplicationFiled: June 30, 2023Publication date: March 20, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xiaojing HU
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Publication number: 20250093700Abstract: A display panel, a method for manufacturing same, and a display device. The display panel comprises a first substrate and a second substrate, the first substrate comprises a first base substrate, a black matrix and a spacer, the second substrate comprises a second base substrate and a conductive layer, and the spacer comprises a display area spacer and a peripheral area spacer. The peripheral area comprises a first region and a second region, the number of conductive layers in the first region is less than the number of conductive layers in the second region, and the peripheral area spacer comprises a plurality of first peripheral area spacers provided in the first region. An insulating island is provided between the first peripheral area spacer and the black matrix, and a pattern of the insulating island comprises island patterns arranged at intervals to be isolated from each other.Type: ApplicationFiled: February 14, 2023Publication date: March 20, 2025Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei CAO, Hongming ZHAN, Xi CHEN
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Publication number: 20250098306Abstract: The present application provides a demultiplexing circuit, a control method thereof and a display device, which include at least one demultiplexing module and a switch control module. A compensation unit of each demultiplexing unit in the demultiplexing module is coupled to a voltage level of an output end of a data writing transistor according to a clock signal received by a control end of the data writing transistor. The output end of each switch control unit of the switch control module is electrically connected to the control end of the data writing transistor included in a demultiplexing unit.Type: ApplicationFiled: September 11, 2023Publication date: March 20, 2025Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Dong YUAN
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Publication number: 20250098420Abstract: A flexible display panel and a flexible array substrate are provided. The flexible display panel includes a flexible base and a thin film transistor. The thin film transistor includes an active layer, and the active layer includes an active layer, a gate electrode insulation layer, and a gate sequentially stacked in a direction away from the flexible base. The active layer includes a channel region, and the gate electrode insulation layer covers the channel region. A plurality of open pores are defined in the active layer, and the open pores penetrate through at least one part of the active layer. At least a part of the open pores are located in the channel region, and the gate electrode insulation layer fills the at least a part of the open pores.Type: ApplicationFiled: November 27, 2024Publication date: March 20, 2025Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Weiran CAO, Gaobo LIN, Yuanjun HSU
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Publication number: 20250095586Abstract: A display panel and a display device are disclosed. By setting numbers of effective pulses of first start signals in both a writing frame and a holding frame of one display period to be plural, a plurality of first strobe driving circuits connected in cascade are allowed to output a plurality of first strobe signals multiple times to adjust a bias voltage of a first transistor of a plurality of pixel driving circuits. Therefore, the display panel can display at a similar light-emitting brightness in both the writing frame and the holding frame, thereby improving a flickering problem of the display panel.Type: ApplicationFiled: November 28, 2024Publication date: March 20, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Wenlong PENG, Tao CHEN
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Publication number: 20250098444Abstract: Embodiments of the present disclosure disclose display panels and display devices. The display panel includes a substrate, a pixel definition layer, a light emitting layer, and partitions. The pixel definition layer includes first grooves and second grooves arranged in a non-light emitting area. Each partition includes a first portion and a second portion connected to each other. The first portion corresponds to the second groove. A width of the second portion is greater than a width of the first portion. The second portion is spaced apart from a surface of the pixel definition layer away from the substrate.Type: ApplicationFiled: July 19, 2023Publication date: March 20, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xiaokang LI, Haijun YU, Yu GU
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Publication number: 20250098368Abstract: Disclosed are a display panel and a preparation method thereof. The display panel includes an array substrate and a plurality of pixel unit groups. Each of the pixel unit groups includes a first pixel unit and a second pixel unit. The first pixel unit includes a first light-emitting unit layer. The second pixel unit includes a second light-emitting unit layer and a third light-emitting unit layer, and the second light-emitting unit layer and the third light-emitting unit layer are sequentially stacked in a direction facing away from the array substrate.Type: ApplicationFiled: June 30, 2023Publication date: March 20, 2025Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Weilai LIU, Liang SUN, Ping ZHU, Weilong ZHOU, Lei SHI
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Publication number: 20250095573Abstract: The present disclosure proposes a pixel circuit and a display panel. The pixel circuit includes a driving transistor, a light-emitting device, a feedback transistor, and a feedback capacitor. By coupling the feedback transistor and feedback capacitor between the gate of the driving transistor and the anode of the light-emitting device, the pixel circuit and display panel can make the voltage level of the gate of the driving transistor change correlatively with the voltage level of the anode of the light-emitting device. This can reduce the brightness change of the light-emitting device, and improves the brightness of the light-emitting device.Type: ApplicationFiled: June 30, 2023Publication date: March 20, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Huanxi ZHANG
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Publication number: 20250093908Abstract: The present disclosure provides foldable display modules and foldable display devices. The foldable display module includes a display panel and a support plate. The support plate includes first hole groups and second hole groups alternately arranged along a second direction. The first hole group includes a plurality of first via holes, and the second hole group includes a plurality of second via holes. In a first direction, a length of the first via hole is greater than a length of the second via hole, and the second via holes are arranged corresponding to first spacer parts each located between two adjacent first via holes.Type: ApplicationFiled: June 30, 2023Publication date: March 20, 2025Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wenqiang WANG
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Patent number: 12253693Abstract: The present disclosure provide a display device including a light source, a light transmitting layer including a plurality of micro-lens structures, and a light splitting layer including at least one liquid crystal grating layer and a prism layer. At a first period, light exiting from the first prism surface formed by transmitting a part of the parallel light through the liquid crystal grating layer has a first exit angle. At another period, light exiting from the first prism surface formed by transmitting another part of the parallel light has a second exit angle. A first image is formed in a direction of the first exit angle at a first period, a second image is formed in a direction of the second exit angle at a second period, and the first image and the second image are spliced to form a stereoscopic display image under a larger viewing angle.Type: GrantFiled: March 28, 2023Date of Patent: March 18, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Song Fang, Jing Zhang, Haibing Shao
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Patent number: 12256570Abstract: A display substrate and a display panel are provided. The display substrate includes: a base including a front surface, a back surface and a side surface; a driving circuit layer disposed on the front surface; a back electrode disposed on the back surface; a side printed wire electrically connected to the driving circuit layer, the side printed wire extends to the back electrode from the side surface and is electrically connected to the back electrode, the side printed wire includes a wire top portion located on a side of the driving circuit layer facing away from the base; and a bonding adhesive layer disposed overlying the side of the driving circuit layer facing away from the base, the bonding adhesive layer is further in contact with and covers the wire top portion. The display substrate and the display panel can solve a problem of excessive height in a non-display area.Type: GrantFiled: February 24, 2022Date of Patent: March 18, 2025Assignee: Xiamen Extremely PQ Display Technology Co., Ltd.Inventor: Yanxi Ye
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Patent number: 12253766Abstract: A plurality of pixel electrodes each forming one pixel are provided on a TFT substrate. A size of a pixel electrode located at a boundary portion between a non-rectangular active area and a frame region, which is an area outside the active area, is smaller than a size of a pixel electrode not located at the boundary portion. In such a configuration, a voltage is always applied to the plurality of pixel electrodes.Type: GrantFiled: March 21, 2024Date of Patent: March 18, 2025Assignee: Sharp Display Technology CorporationInventors: Masahiro Imai, Yasuyoshi Kaise, Takahiro Yamaguchi, Fumikazu Shimoshikiryoh
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Patent number: 12253761Abstract: A liquid crystal display panel includes an array substrate, a color filter substrate, and liquid crystal molecules. The array substrate includes a first alignment layer, and the color filter substrate includes a second alignment layer opposite to the first alignment layer. The liquid crystal display panel has a first region and a second region. In a film thickness direction, a sum of a thickness of the first alignment layer and a thickness of the second alignment layer in the first region is greater than a sum of a thickness of the first alignment layer and a thickness of the second alignment layer in the second region.Type: GrantFiled: July 31, 2023Date of Patent: March 18, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.Inventor: Xueer Cai
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Patent number: 12254158Abstract: A touch layer includes a first conductive pattern layer, a second conductive pattern layer and an insulation layer. The first conductive pattern layer includes electrode blocks arranged in a first direction, a second touch electrode strip extending along a second direction, and connecting pattern(s). The second conductive pattern layer includes bridge group(s). Two adjacent electrode blocks and a connecting pattern located therebetween are electrically connected by a bridge group, which includes connecting bridges. The insulation layer extends between the first conductive pattern layer and the second conductive pattern layer, and is provided therein with first openings and second openings.Type: GrantFiled: April 8, 2022Date of Patent: March 18, 2025Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liqing Jiang, Guiyu Zhang, Qiang Wang, Shuai Liu, Shukui Yang
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Patent number: 12254808Abstract: A gate drive circuit includes a plurality of gate drive units. Each of the gate drive units includes a stage transmission signal selection circuit, a pull-up control circuit, a pulse number reduction circuit, a first inversion circuit, a first output stage, and a second output stage, and can output a second gate control signal with a greater number of pulses and a first gate control signal with a less number of pulses. At least one of the stage transmission signal selection circuit, the first inversion circuit or the second output stage includes three transistors with the same channel type.Type: GrantFiled: April 6, 2024Date of Patent: March 18, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Bin Yuan, Fang Qin, Cheng Chen
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Patent number: 12254849Abstract: A driving method for a display panel and a display apparatus. The driving method includes: acquiring display data of a to-be-displayed image in a current display frame (S100); and loading a data voltage on a data line in the display panel according to the display data, such that each sub-pixel in the display panel is charged with the corresponding data voltage (S200).Type: GrantFiled: March 8, 2022Date of Patent: March 18, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yingmeng Miao, Yanping Liao, Dongchuan Chen, Shulin Yao, Jiantao Liu
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Patent number: 12254805Abstract: A pixel driving circuit and a display panel are provided. The pixel driving circuit includes a light-emitting module, an external detection module, and an internal compensation module. The light-emitting module is electrically connected to the external detection module and the internal compensation module. The external detection module is configured to acquire a threshold voltage of a second transistor when a display panel is turned on, and determine a shift direction of the threshold voltage. When the shift direction of the threshold voltage is a positive shift, the pixel driving circuit uses a first timing sequence to compensate the threshold voltage. When the shift direction of the threshold voltage is a negative shift, the pixel driving circuit uses a second timing sequence to compensate the threshold voltage.Type: GrantFiled: November 29, 2023Date of Patent: March 18, 2025Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Maoxia Zhu
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Patent number: 12255211Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, and a display apparatus. The array substrate includes a plurality of gate lines (20) and a plurality of data lines (50) disposed on a base substrate (11), the plurality of gate lines (20) extend along a first direction, the plurality of data lines (50) extend in a second direction, the plurality of gate lines (20) and the plurality of data lines (50) are intersected to define a plurality of sub-pixels, the sub-pixel includes a thin film transistor (10), a pixel electrode (80) and a common electrode (90), the common electrode (90) in one sub-pixel is connected with the common electrode (90) in the adjacent sub-pixel through a common connection portion (110).Type: GrantFiled: October 15, 2021Date of Patent: March 18, 2025Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Min Cheng, Ke Dai, Haipeng Yang, Maoxiu Zhou, Jiaqing Liu, Xipeng Wang
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Patent number: 12253760Abstract: Disclosed are a display screen and a display apparatus, comprising: a transmissive liquid crystal panel comprising a displaying side and a non-displaying side arranged opposite to each other; a first polarizer arranged at the displaying side of the transmissive liquid crystal panel; a second polarizer arranged at the non-displaying side of the transmissive liquid crystal panel, a direction of a transmission axis of the first polarizer is perpendicular to that of the second polarizer; a scattering layer arranged between the transmissive liquid crystal panel and at least one of the first polarizer the second polarizer; a reflective polarizer arranged between the transmissive liquid crystal panel and the second polarizer. The disclosed display screen and the display apparatus have a relatively high transmittance and reflectivity, and can be used under different outdoor illuminations so as to realize environmentally friendly effects such as energy saving and emission reduction.Type: GrantFiled: June 25, 2021Date of Patent: March 18, 2025Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Jing Wang, Peng Li, Yangyang Cai, Chunbing Zhang, Xiang Li, Bochang Wang, Hetao Wang, Zhanchang Bu, Yu Zhang, Shou Li
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Patent number: 12253764Abstract: An array substrate and a display panel including a plurality of pixels, a plurality of scan line groups and a plurality of data lines, each of the pixels includes at least three sub-pixels, each of the scan line group includes three sub-scan lines, one of the scan line groups is provided between adjacent two of the pixel rows, and at least two of the sub-pixels in each of the pixels are connected to different two of the sub-scan lines in the one of the scan line groups, one of the pixel columns is provided between adjacent two of the data lines, and at least two of the sub-pixels in each of the pixels are connected to a same one of the data lines.Type: GrantFiled: January 15, 2024Date of Patent: March 18, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Shuaichen Si, Fen Long, Jun Li, Bichan Zhao, Dexuan Huang