Patents Assigned to Display Technologies
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Publication number: 20240053646Abstract: An array substrate and a display panel are disclosed. The array substrate includes a substrate, a first metal layer, a gate insulating layer, a semiconductor layer, and a second metal layer. The second metal layer includes a first block layer, a conductive layer, and a second block layer. By setting a redox potential of the first block layer to be less than a redox potential of the conductive layer, the first block layer is easier to be etched during galvanic corrosion compared with the conductive layer. Therefore, a taper angle of the second metal layer is reduced, and a tip is eliminated.Type: ApplicationFiled: March 15, 2022Publication date: February 15, 2024Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Jianqiang Sun
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Publication number: 20240055530Abstract: A thin film transistor array substrate and a display panel are provided. The array substrate includes a substrate, a first metal layer, a first buffer layer, a second metal layer, a second buffer layer, an active layer, a gate insulating layer, a third metal layer, a passivation layer, and a fourth metal layer. By arranging the fourth metal layer on the passivation layer, an influence of water vapor in the environment on the array substrate is blocked, thereby improving a product yield and a reliability of the display panel.Type: ApplicationFiled: August 30, 2022Publication date: February 15, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Chuanbao LUO
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Publication number: 20240057454Abstract: A display panel, a manufacturing method thereof, and an electronic device are provided. The display panel includes a substrate, first electrodes, a pixel definition layer, light-emitting layers, and light-reflecting layers. In the present application, light-reflecting layers are provided in one of the pixel openings, the light-reflecting layer can reflect the light emitted by the light-emitting layers to the pixel definition layer so that the light emitted by the light-emitting layers is concentrated in the middle, which improves the light utilization rate of the light-emitting layers. Therefore, the technical problem of low luminous utilization efficiency of light-emitting pixels in the current OLED structure is alleviated.Type: ApplicationFiled: February 23, 2022Publication date: February 15, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xuechao Ren, Shijian Qin
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Publication number: 20240057448Abstract: A flexible display panel is provided. The flexible display panel includes a substrate, a driving circuit layer disposed on one side of the substrate, a light emitting structure disposed on one side of the driving circuit layer away from the substrate, and a packaging layer disposed on one side of the light emitting structure away from the driving circuit layer, wherein a buffer member is disposed on a surface of at least one layer of the packaging layer or the substrate.Type: ApplicationFiled: December 24, 2021Publication date: February 15, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Weiran Cao, Xiang Yin, Baixiang Han
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Publication number: 20240057433Abstract: A display panel and an electronic device are provided. The electronic device includes the display panel, the display panel includes a color filter layer, and the color filter layer includes a green photoresist. By adding a pigment A shown in a structural formula (I) to a color material of the green photoresist, the influence of illumination on the green photoresist can be reduced, and therefore, the transmittance of the green photoresist is improved.Type: ApplicationFiled: December 21, 2021Publication date: February 15, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yingying REN
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Publication number: 20240054933Abstract: The present disclosure provides a display panel. The display panel includes: a substrate; a pixel driving circuit disposed on the substrate, the pixel driving circuit comprises driving sub-circuits; and a pixel layer disposed on the substrate, the pixel layer comprises pixel units arranged in an array, each of the pixel units comprises a red pixel, a green pixel, a first blue pixel, and a second blue pixel; each of the driving sub-circuits is in one-to-one correspondence with each color pixel, and a light transmission band of the first blue pixel is different from a light transmission band of the second blue pixel; in a first display mode, the pixel driving circuit drives the red pixels, the green pixels, and the first blue pixels to light up; in a second display mode, the pixel driving circuit drives the red pixels, the green pixels, and the second blue pixels to light up.Type: ApplicationFiled: February 27, 2023Publication date: February 15, 2024Applicants: Huizhou China Star Optoelectronics Display Co., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Kuo GAO, Lin XIONG
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Publication number: 20240057425Abstract: The present invention provides a display panel and a preparation therefor. The display panel at least includes a plurality of pixel unit groups, each of the pixel unit groups includes a plurality of pixel units, each of the pixel units includes a plurality of sub-pixels, and each of the sub-pixels has a functional layer. For the display panel provided by the present invention, the functional layers of multiple sub-pixels with a same color of the plurality of sub-pixels in each of the pixel unit groups are arranged in a first direction and connected with each other, which reduces precision requirements for ink output of each nozzle during an ink jet printing process and reduces a thickness difference of the functional layers of each column of the sub-pixels arranged in a printing direction, thereby effectively preventing generation of lateral Suji Mura during display of the display panel.Type: ApplicationFiled: December 29, 2022Publication date: February 15, 2024Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Chao HE, Shijian QIN
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Publication number: 20240057400Abstract: The present disclosure discloses a display panel having a bending region, the display panel including a substrate, a stress releasing layer, and a conductive structure, wherein a first stress releasing layer is disposed on the substrate, and corresponding to the bending region. The conductive structure is disposed on the substrate, and a Young's modulus of the conductive structure is greater than a Young's modulus of the first stress releasing layer.Type: ApplicationFiled: January 24, 2022Publication date: February 15, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Hua LI, Baixiang HAN
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Publication number: 20240057390Abstract: Embodiments of the present disclosure are directed to an OLED display panel and a production method. The OLED display panel includes a driving backplate, an anode arranged at a side of the driving backplate, a light-emitting layer disposed at a side of the anode away from the driving backplate, and a cathode arranged at a side of the light-emitting layer away from the anode. The light-emitting layer has different light-emitting angles for the different areas on the light-emitting layer itself. The range of the light-emitting angle of the light-emitting layer is expanded, and the visible angle of the OLED display panel is enhanced as well.Type: ApplicationFiled: March 10, 2022Publication date: February 15, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Xiang Xiao
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Publication number: 20240053645Abstract: A display panel and a display device are provided. The display panel includes a display region and a gate driving wiring region disposed on at least one side of the display region. Color resists are disposed corresponding to regions of the display region and the gate driving wiring region. The gate driving wiring region includes a first metal layer and second metal layers disposed on the first metal layer, and the color resists located in the gate driving wiring region at least cover the second metal layers.Type: ApplicationFiled: May 10, 2021Publication date: February 15, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wuhui Wang, Mengyang Liu
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Patent number: 11900856Abstract: The present disclosure relates to a protection circuit for a display device, a display device thereof, and a method for protecting a display device using a protection circuit. The display device includes a gate driving circuit, a level shift circuit, and a power management circuit. The level shift circuit is configured to provide an input signal to a signal input terminal of the gate driving circuit. The power management circuit is configured to provide power to the gate driving circuit. The protection circuit is configured to provide a power control signal to the power management circuit based on a current at the signal input terminal of the gate driving circuit, so that the power management circuit stops providing the power to the gate driving circuit.Type: GrantFiled: August 5, 2021Date of Patent: February 13, 2024Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jituo Tang, Kun Yang, Zhihua Sun, Feng Qu, Ming Deng, Ruilian Li, Tianxun Xiu, Zhun Lin
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Patent number: 11899318Abstract: A display substrate is provided, including: a base substrate; a plurality of sub-pixels arranged on the base substrate in an array in a row direction and a column direction; a plurality of post spacers arranged at intervals on the base substrate, wherein the plurality of post spacers include at least one main post spacer and a plurality of sub post spacers, and each main post spacer has a height greater than that of each sub post spacer. Each sub-pixel has at most one post spacer provided therein, the plurality of sub-pixels include a main sub-pixel provided with the main post spacer and a sub sub-pixel provided with the sub post spacer, and the plurality of sub-pixels further include at least one mark sub-pixel adjacent to the main sub-pixel in the row direction or the column direction, the at least one mark sub-pixel is provided with no post spacer.Type: GrantFiled: August 31, 2021Date of Patent: February 13, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuqiong Chen, Rui Zhang, Hongshu Zhang
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Patent number: 11899305Abstract: Provided are a liquid crystal panel capable of achieving a small light-shielding angle in a narrow viewing angle mode and a display device including the liquid crystal panel. The liquid crystal panel sequentially includes: a first polarizing plate with a first absorption axis; a first substrate including a first electrode; a liquid crystal layer containing liquid crystal molecules; and a second substrate including a second electrode, wherein in a plan view, a director of the liquid crystal molecules with no voltage applied and the first absorption axis form an angle ? of not smaller than 5° and not greater than 20° or not smaller than 65° and not greater than 80°.Type: GrantFiled: October 14, 2022Date of Patent: February 13, 2024Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Koji Murata, Junichi Masuda, Shugo Yagi, Hiroshi Tsuchiya, Takashi Satoh, Shinji Shimada
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Patent number: 11899494Abstract: A flexible display module and a flexible display device are disclosed in the present disclosure. A housing of the flexible display module defines a sliding groove, a support component is configured to attached to the flexible display panel, a protrusion is provided on the support component, and the protrusion is located in the sliding groove. Based on the cooperation of the protrusion and the sliding groove, a gap is maintained between the flexible display panel and the cover plate during a sliding process, so as to alleviate technical problems of abrasion and unsmooth sliding of a flexible screen in an existing flexible display device.Type: GrantFiled: March 31, 2021Date of Patent: February 13, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhuo Zhang, Xiaoqian Ma
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Patent number: 11899325Abstract: A liquid crystal display panel and a display device are disclosed. The liquid crystal display panel includes a pixel matrix composed of more than two sub-pixels. Three adjacent sub-pixels located in the same row have different colors, and all sub-pixels located in the same column have the same color. Each data line is connected to at least one pixel group successively. Each pixel group includes three sub-pixels with different colors, which are respectively located on both sides of the data line. In a pixel group, each data line is connected to three sub-pixels in sequence.Type: GrantFiled: July 23, 2021Date of Patent: February 13, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY, CO., LTD.Inventors: Yoonsung Um, Lixia Li, Bangyin Peng, Yingchun Zhao, Fen Long, Qiqi Zhang
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Patent number: 11899304Abstract: A liquid crystal display panel (100) comprises a first polarizer (110) and a second polarizer (170), a first liquid crystal layer (130) disposed between the first polarizer (110) and the second polarizer (170), and an optical compensation layer (140) disposed between the first liquid crystal layer (130) and one of the first polarizer (110) and the second polarizer (170). A transmission axis of the first polarizer (110) is perpendicular to a transmission axis of the second polarizer (170). The first liquid crystal layer (130) includes first liquid crystal molecules (130?). An included angle (?) between an orthographic projection of an optical axis of a first liquid crystal molecule (130?) on the first polarizer (110), which is perpendicular to an orthographic projection of an optical axis of the optical compensation layer (140) on the first polarizer (110), and the transmission axis of the first polarizer (110) is an acute angle.Type: GrantFiled: June 15, 2021Date of Patent: February 13, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Feifei Wang, Lintao Ji, Bowen Li, Hongming Zhan, Kaixuan Wang, Xibin Shao
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Patent number: 11899890Abstract: A display device including a beam emitter and a display panel is provided. The beam emitter emits a first beam; the display panel includes a display screen body and a light control layer. The light control layer includes photosensitive devices that outputs a sensing signal according to a sensing result, a control module for controlling turning on and turning off of the photosensitive devices, and a reading module for reading the sensing signal output by the photosensitive devices and determining a projection position of the first beam on the display panel according to the sensing signal.Type: GrantFiled: May 15, 2020Date of Patent: February 13, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Miao Jiang, Lixuan Chen, Xin Zhang, Lei Wen, Bao Zha
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Patent number: 11899868Abstract: An array substrate includes multiple pixel electrodes constituting first pixel electrode columns, second pixel electrode columns and third pixel electrode columns, and data lines including first data lines, second data lines and third data lines. A first data line, a first pixel electrode column, a second data line, a second pixel electrode column, a third data line and a third pixel electrode column are arranged in sequence in a row direction. Distances between the first pixel electrode column and the first data line, between the second pixel electrode column and the second data line, between the third pixel electrode column and the third data line, and between the first pixel electrode column and the second data line are a first distance to a fourth distance, respectively. The first distance is less than the fourth distance and greater than the second distance and/or the third distance.Type: GrantFiled: October 14, 2021Date of Patent: February 13, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengjie Wang, Xiaona Liu, Xibin Shao
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Patent number: 11899321Abstract: The present disclosure provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel includes a plurality of sub-pixels defined by a light shielding matrix, and an array substrate and an opposing substrate arranged to be spaced apart from each other. The opposing substrate includes a first substrate and a plurality of spacers, wherein the spacers are on a side of the first substrate close to the array substrate and being within a light shielding area of the light shielding matrix. The array substrate includes a second substrate and a plurality of protrusion structures, wherein the protrusion structures are on a side of the second substrate close to the opposing substrate, and being within the light shielding area of the light shielding matrix.Type: GrantFiled: February 26, 2020Date of Patent: February 13, 2024Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Liangliang Jiang, Heng Li, Lei Guo, Ke Dai, Yanping Liao, Seungmin Lee
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Patent number: 11900866Abstract: Provided are a display panel and a display device. The display panel includes a display region, a non-display region bordering two sides of the display region at least in a first direction and a hole-digging region. The distance from the hole-digging region to the non-display region on a first side of the display region is smaller than the distance from the hole-digging region to the non-display region on a second side of the display region. The display region includes pixel circuits and initialization signal lines. The non-display region includes cascaded initialization signal shift register units. The initialization signal shift register unit includes a first initialization signal shift register unit located in the non-display region on the first side of the display region. The first initialization signal shift register unit is electrically connected to a corresponding initialization signal line having a partial line segment extending around the hole-digging region.Type: GrantFiled: November 29, 2022Date of Patent: February 13, 2024Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventor: Guoxing Chen