Patents Assigned to Display Technologies
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Publication number: 20240217230Abstract: An inkjet printing system is disclosed in the present disclosure. The inkjet printing system includes: an inkjet printing device with nozzles having pixel ink, a display substrate including a display region and an under-screen camera region, and an ink droplet flow rate control device connected to the nozzles. The nozzles are arranged above the display substrate. The display substrate includes a base, and a pixel defining layer on a surface of the base. The pixel defining layer is disposed with first pixel openings in the display region, and second pixel openings in the under-screen camera region. The first pixel opening has a greater opening area than the second pixel opening. The ink droplet flow rate control device is used to respectively control ink droplet outflow rates of pixel ink of the nozzles corresponding to the display region and the under-screen camera region.Type: ApplicationFiled: December 28, 2023Publication date: July 4, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Can PENG
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Publication number: 20240218496Abstract: An evaporation source device is provided by the present application. The evaporation source device includes a vacuum chamber, and a pedestal, at least one vacuum box, and at least one control valve that are disposed in the vacuum chamber; and the at least one vacuum box is disposed on the pedestal, and a crucible is disposed in the vacuum box; the vacuum box is connected with the control valve; wherein the control valve includes a first nozzle and a second nozzle disposed oppositely, the first nozzle communicates with the vacuum box, and the second nozzle communicates with the vacuum chamber.Type: ApplicationFiled: May 23, 2022Publication date: July 4, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang Sun, Jun Yang
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Publication number: 20240224690Abstract: The present application provides an organic light-emitting diode (OLED) display panel and a laser repair method. The OLED display panel includes color filters with the light transmission rates of greater than 90% for laser light with a wavelength range of 900 nm to 1200 nm, and includes at least one light-emitting pattern containing carbon black. The laser repair method increases the light transmission rates of the filter patterns for the laser light with the wavelength range of 900 nm to 1200 nm, so a laser repair yield is increased.Type: ApplicationFiled: January 7, 2022Publication date: July 4, 2024Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wanghui GUO
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Publication number: 20240221561Abstract: A flexible display module and an electronic device are provided in the present application; when a main display screen of the flexible display module is in a flattened state, a supporting member extends out of a supporting component, and the main display screen is located on the supporting component and the supporting member; when the main display screen is in a bent state, at least part of the supporting member is retracted into the supporting component. This way, displacement generated when a flexible display panel is bent is compensated by telescopic movement of a telescopic component, so as to alleviate a problem of gaps generated in a frame when an existing folding display device is bent.Type: ApplicationFiled: April 25, 2022Publication date: July 4, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Liang Chu
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Publication number: 20240222398Abstract: An array substrate includes a substrate, a gate layer, a source-drain layer, a first passivation layer, a common electrode layer, a second passivation layer, a pixel electrode layer, and a via hole penetrating at least the second passivation layer. The via hole has a deep hole region and a shallow hole region. A first part of the via hole in the deep hole region penetrates the second passivation layer and the first passivation layer, and a second part of the via hole in the shallow hole region penetrates the second passivation layer. In the deep hole region, a pixel electrode is connected to a drain, and in the shallow hole region, the common electrode layer is electrically connected to a compensation electrode through a first connection electrode and a second connection electrode.Type: ApplicationFiled: December 15, 2023Publication date: July 4, 2024Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.Inventor: Yi ZHANG
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Publication number: 20240221557Abstract: A gate drive circuit and a display device are provided, wherein the gate drive circuit includes cascaded shift registers. In each shift register, a scan output terminal is electrically connected to a scan signal line, and a pull-down module transmits a voltage of a power node to the scan output terminal when the pull-down module is conducting. In odd-numbered rows, the power node electrically connects a first detection signal line, while in even-numbered rows, the power node electrically connects a second detection signal line. When the gate drive circuit is in a driving state, the first detection signal line and the second detection signal line transmit a first voltage to the scan signal lines when the pull-down modules are conducting.Type: ApplicationFiled: October 28, 2023Publication date: July 4, 2024Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zhihua LI
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Publication number: 20240222252Abstract: Display modules and chip on films are provided. The chip on film includes a body part and a first reinforcing part. The body part includes a first bonding portion, a second bonding portion, and a connecting portion connected between the first and second bonding portions. The first reinforcing part is connected to the first bonding portion and includes a first extending portion extending from at least one end of the first bonding portion in a direction away from the first bonding portion. The first bonding portion is provided with first bonding terminals arranged at intervals, the second bonding portion is provided with second bonding terminals arranged at intervals, the first extending portion is provided with at least one third bonding terminal, each first bonding terminal is electrically connected to a corresponding second bonding terminal, and the third bonding terminal is insulated from the second bonding terminals.Type: ApplicationFiled: September 10, 2023Publication date: July 4, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Yuhua YANG
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Publication number: 20240224684Abstract: A display panel and a display device are provided. One first sub-pixel at a corner, two second sub-pixels at a side of the virtual rectangle and adjacent to the first sub-pixel, and one first sub-pixel within the virtual rectangle form a virtual right-angled trapezoid. A third sub-pixel is arranged within the virtual right-angled trapezoid, distances from a center of the third sub-pixel to centers of two first sub-pixels corresponding to the virtual right-angled trapezoid are equal, and the center of the third sub-pixel does not overlap with a line connecting the centers of the two first sub-pixels.Type: ApplicationFiled: August 9, 2022Publication date: July 4, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xiaoguang Zhu, Tao Chen, Zhiqiao Liu, Guo Cheng, Zhuo Zhang
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Publication number: 20240219756Abstract: An optical property detecting method of a liquid crystal display panel is provided, and includes: measuring a spectrum of a first backlight panel and a spectrum of the a liquid crystal module; calculating a transmission spectrum of a target liquid crystal display panel; obtaining a spectrum of a second backlight panel; calculating and obtaining a tristimulus value of a second liquid crystal module; obtaining a plurality of optical parameters corresponding to the target liquid crystal display panel according to the tristimulus value, so as to detect an optical property of the target liquid crystal display panel.Type: ApplicationFiled: June 6, 2022Publication date: July 4, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Bo Hai
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Publication number: 20240222396Abstract: Embodiments of the present application provide an array substrate and a manufacturing method thereof, and a display panel. The array substrate includes a substrate, a source electrode, a drain electrode, a semiconductor layer, and a channel defining layer. The semiconductor layer is disposed between the source electrode and the drain electrode, and the semiconductor layer partially overlaps with the source electrode and the drain electrode. The channel defining layer is disposed around the semiconductor layer, and is correspondingly disposed on the source electrode and the drain electrode. When the semiconductor layer is prepared, the semiconductor layer is directly printed in a printing opening defined in the channel defining layer. Overflow of the semiconductor layer is prevented by the channel defining layer.Type: ApplicationFiled: September 19, 2023Publication date: July 4, 2024Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Qiankun XU
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Publication number: 20240224600Abstract: The present invention provides a display panel and a manufacturing method thereof. The display panel includes an array substrate, a pixel definition layer, and an organic light emitting device. The pixel definition layer includes a first definition layer and a second definition layer laminated together. The first definition layer includes a first aperture. The second definition layer includes a second aperture corresponding to the first aperture. The organic light emitting device is disposed in the first aperture. area of the top surface of the first definition layer is different from an area of the bottom surface of the second definition layer such that at least a part of a side surface of the first definition layer and a side surface of the second definition layer are in different planes.Type: ApplicationFiled: February 28, 2023Publication date: July 4, 2024Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yamei BAI
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Patent number: 12027111Abstract: A display panel and a control method thereof are provided. The control method comprises obtaining display information and compensation parameter information of the display panel, wherein the compensation parameter information includes multiple display parameter groups and multiple compensation parameter groups which are in one-to-one correspondence, and the display information is one of the display parameter groups; determining a target compensation parameter group corresponding to the display information from the compensation parameter groups according to the display information and the compensation parameter information; and compensating the light emitting brightness of the display panel according to the target compensation parameter group.Type: GrantFiled: December 17, 2021Date of Patent: July 2, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yedong Wang, Jia Zhang
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Patent number: 12025893Abstract: A display device includes an array substrate, a counter substrate, a first pixel electrode, a second pixel electrode spaced apart from the first pixel electrode in a first direction, a third pixel electrode spaced apart from the second pixel electrode in the first direction, a first wiring line positioned between the first pixel electrode and the second pixel electrode and extending in a second direction intersecting the first direction, a second pixel electrode row including the second pixel electrode and composed of a plurality of pixel electrodes aligned in the second direction, a third pixel electrode row including the third pixel electrode and composed of a plurality of pixel electrodes aligned in the second direction, a first insulating film disposed on a lower-layer side of the first wiring line, and a spacer protruding from the counter substrate toward the array substrate.Type: GrantFiled: March 3, 2023Date of Patent: July 2, 2024Assignee: Sharp Display Technology CorporationInventors: Hikaru Yoshino, Junichi Morinaga
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Patent number: 12027092Abstract: An adjusting method of a display panel and an adjusting device are provided. The adjusting method of the display panel includes following steps: obtaining a minimum refresh rate and a maximum refresh rate of the display panel; calculating a standard parameter value of the display panel according to the minimum refresh rate and the maximum refresh rate; judging if the standard parameter value satisfies a preset condition; and increasing a pixel charging time under the minimum refresh rate and/or reducing the pixel charging time under the maximum refresh rate when the standard parameter value does not satisfy the preset condition.Type: GrantFiled: July 21, 2021Date of Patent: July 2, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yue Xi
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Patent number: 12026335Abstract: A touch display panel is provided, which includes a touch structure layer. The touch structure layer includes touch signal lines and touch electrodes. The touch electrodes include electrode lines. Each of the touch signal lines includes signal main lines and redundant signal lines disposed on one side of one row of first sub-pixels. Any one of the signal main lines and signal main lines adjacent to one side of the one of the signal main lines are spaced apart by at least two rows of the first sub-pixels, and the one of the signal main lines and signal main lines adjacent to another side of the one of the signal main lines are spaced apart by at least one row of the first sub-pixels.Type: GrantFiled: May 31, 2021Date of Patent: July 2, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Liang Fang
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Patent number: 12027084Abstract: The present application provides a display panel including a first conductive layer, a second conductive layer, and a third conductive layer. The present application reduces an overlap area between test signal lines and data lines to further reduce a capacitance therebetween to prevent an issue of color mixture of a screen image during a lighting test.Type: GrantFiled: July 9, 2021Date of Patent: July 2, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xiaoming Chen, Peng Wan
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Patent number: 12025883Abstract: The present invention provides a liquid crystal display panel and a display device. The liquid crystal display panel includes an array substrate, a counter substrate, and a liquid crystal layer. The array substrate includes a first alignment layer and a second alignment layer. The second alignment layer is arranged on one side of the first alignment layer away from the liquid crystal layer. A dielectric constant of the first alignment layer is less than a dielectric constant of liquid crystal molecules, and a dielectric constant of the second alignment layer is greater than the dielectric constant of the liquid crystal molecules. Accordingly, the present invention not only ensures high light transmittance, but also prevents residual images.Type: GrantFiled: June 15, 2021Date of Patent: July 2, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Dong Liao
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Patent number: 12026336Abstract: Disclosed are a touch display panel and a display device, comprising touch wires. The touch wires comprises first sub-parts arranged along the first direction; the first sub-part comprises a first wiring sub-part arranged along the first direction and a first connecting sub-part connecting adjacent first wiring sub-parts. The widths of the two first connecting sub-parts connected to one first wiring sub-part are different, and/or the widths of the two first connecting sub-parts connected between two adjacent first wiring sub-parts are different.Type: GrantFiled: December 21, 2021Date of Patent: July 2, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Liang Fang, Ding Ding
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Patent number: 12026334Abstract: A touch panel display driver includes a source driver circuit, a touch detection circuit, a selector circuit, a register a plurality of source terminals, a plurality of touch detection terminals, and a plurality of selection terminals. The selector circuit electrically connects the source driver circuit to each of the source terminals, electrically connects the touch detection circuit to each of the touch detection terminals, and electrically connects each of the selection terminals to the source driver circuit or the touch detection circuit.Type: GrantFiled: April 14, 2023Date of Patent: July 2, 2024Assignee: Sharp Display Technology CorporationInventors: Daisuke Suehiro, Daiji Kitagawa, Noriyuki Tanaka, Tatsuhiko Suyama, Jin Miyazawa, Yousuke Nakamura
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Patent number: 12029098Abstract: A display panel and a display device are disclosed. The display panel includes a light-emitting functional layer and a color filter layer, and the light-emitting functional layer includes a plurality of pixel light-emitting units disposed at intervals. In a first display area, the color filter layer includes a first light-filtering layer and a first transparent planarization layer, the first light-filtering layer includes at least two first light-filtering units corresponding to the pixel light-emitting units by one to one, and the first transparent planarization layer fills gaps among the first light-filtering units adjacent to each other.Type: GrantFiled: April 30, 2021Date of Patent: July 2, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTR DISPLAY TECHNOLOGY CO., LTDInventors: Wenliang Gong, Guochao Wang