Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
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Patent number: 12191318Abstract: Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor, a second transistor and a third transistor, where the first transistor, the second transistor and the third transistor are formed on the base substrate, the first transistor includes a first active layer, a first gate, a first source, and a first drain, the first active layer contains silicon, the second transistor includes a second active layer, a second gate, a second source, and a second drain, and the second active layer contains an oxide semiconductor; and a first insulating layer and a second insulating layer, where the first insulating layer is disposed on one side of the second active layer facing away from the base substrate and between the second gate and the second active layer.Type: GrantFiled: August 1, 2023Date of Patent: January 7, 2025Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Shui He, Ping An, Yaqi Kuang
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Patent number: 12193286Abstract: Display panel and display device are provided. The display panel includes a display area and a non-display area surrounding the display area. The display area includes a plurality of scan lines extending in a first direction and a plurality of data lines extending in a second direction, the first direction intersects the second direction. The non-display area includes a bonding area. The bonding area includes a plurality of pads arranged in a third direction. A direction perpendicular to the third direction is a fourth direction. An angle formed by the second direction and the fourth direction is ?, and 0°<?<90°.Type: GrantFiled: January 28, 2022Date of Patent: January 7, 2025Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma MicroElectronics Co., Ltd. Shanghai BranchInventors: Yue Li, Xingyao Zhou, Zhuan Gao, Qingxia Wang, Yuantao Wu
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Patent number: 12193284Abstract: A display panel and a display device are provided. The display panel includes first, second and third data lines located in a display area, first and second compensation capacitors located in a first non-display area and have a same capacitance, and a peripheral circuit located in a second non-display area. The first and second data lines are electrically connected to M sub-pixels, and the third data line is electrically connected to N sub-pixels, where 1?M<N, M and N are integers. The first and second compensation capacitors are electrically connected to the first and second data lines, respectively. The first non-display area has a length gradually decreasing along a direction parallel to the first direction and along a direction from the display area to the second non-display area, and the length is a size of the first non-display area along the second direction.Type: GrantFiled: December 8, 2021Date of Patent: January 7, 2025Assignees: Wuhan Tianma Micro-Electronics Co., Ltd., Wuhan Tianma Micro-Electronics Co., Ltd. Shanghai BranchInventor: Peng Zhang
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Publication number: 20250004318Abstract: A liquid crystal display device includes a first liquid crystal display panel in which a first main pixel including subpixels is arranged in a matrix, and that displays a color image, and a second liquid crystal display panel that includes a second main pixel corresponding to a plurality of the first main pixel, and that displays a monochrome image. The second main pixel is divided into a plurality of regions, and has pixel electrodes disposed in the plurality of regions and a plurality of light shields. At least a portion of the plurality of light shields is formed from a switching element that connects to each of the pixel electrodes, and the plurality of light shields is arranged in a staggered manner. The light shields positioned within one set of the regions formed from adjacent regions forms one set of the light shields.Type: ApplicationFiled: June 21, 2024Publication date: January 2, 2025Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Tomomi HONDA, Mitsuhiro SUGIMOTO, Hidenori IKENO, Takayuki KONNO, Shinya ONDA, Satoshi INADA
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Patent number: 12183726Abstract: Provided are a display panel and a manufacturing method thereof. The display panel includes: a first substrate and a second substrate disposed opposite to each other; a bank layer located on a side of the first substrate facing the second substrate; and a light-emitting device. The bank layer includes a plurality of bank structures; and the plurality of bank structures enclose a plurality of bank openings. The light-emitting device is arranged corresponding to each bank opening of the plurality of bank openings. The plurality of bank structures includes at least one first bank structure, and each of the at least one first bank structure has a first channel communicating at least two adjacent ones of the plurality of bank openings.Type: GrantFiled: September 16, 2021Date of Patent: December 31, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Quanpeng Yu, Xuelin Fan
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Patent number: 12185577Abstract: Provided are a display panel and a display device, where the display panel includes a first light-emitting unit and a first color-resist block which are correspondingly disposed, where the first color-resist block includes a first display color-resist block and a first imaging color-resist block, the first light-emitting unit includes a first boundary and a second boundary which are disposed opposite to each other, the first boundary is located on a side of the second boundary near the first imaging color-resist block, the first display color-resist block includes a first edge and a second edge which are disposed opposite to each other, the first edge is located on a side of the second edge near the first imaging color-resist block, and a maximum distance between the first boundary and the first edge is greater than a maximum distance between the second boundary and the second edge.Type: GrantFiled: November 8, 2021Date of Patent: December 31, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Shihao Tang, Yang Zeng, Haochi Yu, Yaodong Wu, Feng Lu, Qijun Yao, Jiaxian Liu, Ping An
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Patent number: 12183745Abstract: A display panel and a display apparatus includes sub-pixels, and First and second regions arranged along a first direction. First sub-pixel groups in the first region and second sub-pixel groups in the second region are arranged along the first direction, and each include at least two sub-pixels arranged along the second direction. A number of the sub-pixels in the second sub-pixel group close to the first region is greater than a number of the sub-pixels in the second sub-pixel groups away from the first region. The first sub-region of the second region is closer to the first region than the second sub-region. From the first region to the second region, a variation rate of the numbers of the sub-pixels in the second sub-pixel groups in the first sub-region is greater than a variation rate of the numbers of the sub-pixels in the second sub-pixel groups in the second sub-region.Type: GrantFiled: December 28, 2021Date of Patent: December 31, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Kunfeng Zhang, Yiqiang Lin, Wei Wu, Boping Shen
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Publication number: 20240431174Abstract: A display device includes a display including a display panel in which a plurality of pixels is arranged, and a decorative member disposed on one of a display surface side and a rear surface side of the display panel; and a color changer that emits illumination light from the rear surface side of the display on the display panel and the decorative member. Each pixel of the plurality of pixels includes a pixel display region that emits display light and a transmission region that transmits light. The color changer emits, in accordance with a color of a design of the decorative member to be presented to an observer, illumination light of a predetermined color on the display panel and the decorative member.Type: ApplicationFiled: June 14, 2024Publication date: December 26, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Hitoshi YOSHIDA, Noriyuki ITOU, Futoshi NAKANISHI, Akira BANJOUYA, Akira SUZUKI, Shingo ASAKA, Koetsu ISHIKAWA
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Patent number: 12174373Abstract: Provided are a head up display system and a vehicle. The head up display system includes a control module, an image source module and an imaging module. The image source module includes a display component and a dimming component, and the dimming component includes a polarization state adjusting unit, a metal wire grid and a reflector. The display component is electrically connected to the control module. The polarization state adjusting unit is configured to modulate the imaging light into polarized light in a first polarization direction and polarized light in a second polarization direction. The imaging module is configured to transmit the polarized light in the first polarization direction or the polarized light in the second polarization direction to a windshield, and the windshield reflects the first polarization direction or the polarized light in the second polarization direction into a human eye for imaging.Type: GrantFiled: August 13, 2021Date of Patent: December 24, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yuefeng Gu, Jiandong Wang
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Patent number: 12175922Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a compensation module. The drive module includes a drive transistor. The data write module is connected to an input terminal of the drive module; a first electrode of the compensation module is connected to an output terminal of the drive module, and a second electrode of the compensation module is connected to a control terminal of the drive module. The data write module includes a data write transistor and a bias transistor, the data write transistor is connected to a data signal input terminal and configured to transmit a data signal, and the bias transistor is connected to a bias signal input terminal and configured to transmit a bias signal.Type: GrantFiled: November 28, 2022Date of Patent: December 24, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventor: Yong Yuan
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Patent number: 12174402Abstract: A gating and a display device are provided. The grating includes a first substrate and a second substrate disposed opposite to the first substrate; a grating electrode layer including a plurality of grating electrodes and disposed on the first substrate, and a supporting structure including a plurality of first supporting pillars. An extension direction of the plurality of grating electrodes is a first direction; a size L11 of a first supporting pillar of the plurality of first supporting pillars along the first direction is greater than a size W11 of the supporting pillar along a second direction; the first direction and the second direction are both parallel to a plane where the first substrate is located; and the first direction is perpendicular to the second direction.Type: GrantFiled: November 1, 2021Date of Patent: December 24, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Yang Zeng, Shihao Tang, Yaodong Wu, Ziyu Shi
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Patent number: 12175930Abstract: Provided is a display panel. The display panel includes a pixel driving circuit which including a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal and the second terminal is connected to the second terminal of the drive transistor.Type: GrantFiled: July 26, 2022Date of Patent: December 24, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jieliang Li, Gaojun Huang
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Patent number: 12175941Abstract: A display device determines a gray level for a first pixel based on video data, determines whether the first pixel is in a first deterioration mode or a second deterioration mode following the first deterioration mode based on a driving history of the first pixel, determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to first adjustment information for the first deterioration mode in a case of determining that the first pixel is in the first deterioration mode, and determines a data signal to be supplied to the first pixel based on the gray level and the driving history of the first pixel with reference to second adjustment information for the second deterioration mode in a case of determining that the first pixel is in the second deterioration mode.Type: GrantFiled: April 19, 2023Date of Patent: December 24, 2024Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yojiro Matsueda, Masamichi Shimoda
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Patent number: 12176334Abstract: A display panel includes a backplate, a eutectic bonding layer and an auxiliary layer that are located at a side of the backplate, and a plurality of light-emitting element bodies. The auxiliary layer includes a plurality of first members and a second member. At least one first member of the plurality of first members surrounds one part of the eutectic bonding layer, and the second member surrounds the plurality of first members. Each of the plurality of light-emitting element bodies is located at a side of the eutectic bonding layer and is connected to one part of the eutectic bonding layer.Type: GrantFiled: August 25, 2023Date of Patent: December 24, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Canyuan Zhang
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Publication number: 20240419038Abstract: A display panel and a display apparatus are provided. The display panel includes an array substrate; a color film substrate; support pillars; pixel sub-units; and data lines. The support pillars include a primary support pillar and auxiliary support pillars. The primary support pillar and the auxiliary support pillars each include a first support pillar. The pixel sub-units are formed by crossing the scan lines and the data lines. The pixel sub-units each include a thin film transistor and a pixel electrode. The thin film transistor includes a gate, a source and a drain. The scan line is electrically connected to the gate. The data line is electrically connected to the source. The pixel electrode is electrically connected to the drain. The present disclosure can enhance supporting capacity of the display panel.Type: ApplicationFiled: August 28, 2024Publication date: December 19, 2024Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jie LIN, Bingping LIU
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Patent number: 12170292Abstract: Provided are a display panel and a display device. The display panel includes a base substrate; a first transistor including a first active layer including silicon, a first gate, a first source and a first drain; a second transistor including a second active layer including an oxide semiconductor, a second gate located on a side of the second active layer facing away from the base substrate, a second source and a second drain; a first insulating layer including an inorganic material; and a planarization layer including an organic material. The first insulating layer includes a first insulating sublayer and a second insulating sublayer. The second insulating sublayer is located on a side of the first insulating sublayer facing away from the base substrate, and a compactness of the second insulating sublayer is greater than a compactness of the first insulating sublayer.Type: GrantFiled: November 2, 2021Date of Patent: December 17, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Guofeng Zhang, Yong Yuan
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Patent number: 12163914Abstract: A detection device and a detection method are provided. The detection device includes at least one detection unit. The detection unit includes a first transistor, a second transistor, a third transistor and a fourth transistor that are electrically connected to each other, a gate is disposed above a channel of each of the first transistor, the second transistor, and the third transistor, and an ion-sensitive membrane is covered above a channel of the fourth transistor. The detection device also includes a first voltage signal terminal, a second voltage signal terminal, and a third voltage signal terminal. Further, the detection device includes a first power supply terminal, a first potential output terminal, a second potential output terminal, and a second power supply terminal.Type: GrantFiled: February 28, 2022Date of Patent: December 10, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Kaidi Zhang, Baiquan Lin, Huihui Jiang, Luning Yang, Wei Li, Yunfei Bai, Zhenyu Jia, Kerui Xi, Feng Qin
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Patent number: 12167627Abstract: A display panel and a display device are provided. The display panel includes a substrate, sub-pixels, a color conversion layer, and a color filter layer. At least one sub-pixel each includes a light-emitting element. The at least one light-emitting element of the at least one sub-pixels includes at least one blue light light-emitting element. The color conversion layer is configured to convert a color of light emitted by the light-emitting element. The color conversion layer includes red and green conversion layers. The red conversion layer is configured to convert blue light into red light, and the green conversion layer is configured to convert blue light into green light. The color filter layer includes red and green color resists. In a direction perpendicular to a plane of the substrate, the red color resist overlaps the red conversion layer, and the green color resist overlaps the green conversion layer.Type: GrantFiled: April 24, 2023Date of Patent: December 10, 2024Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Sitao Huo
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Publication number: 20240404484Abstract: A display panel and a display apparatus, in the display panel, a pixel unit includes a plurality of sub-pixels, the sub-pixels in a same pixel unit are electrically connected to a same scan line and are each electrically connected to different data lines/the display panel further includes demultiplexers, each demultiplexer includes two output terminals connected to different data lines, and is configured to transmit data signals to different data lines. The plurality of sub-pixels of the same pixel unit include at least three sub-pixels with different colors. Accordingly, the pixel units need not to borrow sub-pixels from each other while achieving full-color display of the display panel, which is conducive to improving the stability of display quality, using 1:2 demultiplexers to transmit data signals to sub-pixels ensures that each sub-pixel has sufficient charging time, thereby being conducive to ensuring the display quality of the display panel.Type: ApplicationFiled: August 15, 2024Publication date: December 5, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Ye YAN, Xiaodong YANG, Dandan CHU, Jiandong WANG, Xiongping LI
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Publication number: 20240402531Abstract: A liquid crystal display device includes a juxtaposed plurality of liquid crystal display panels, and a back light that emits light on the plurality of liquid crystal display panels. Each of the plurality of liquid crystal display panels includes, on a side surface opposing a side surface of the liquid crystal display panel adjacent thereto, a light shielding film that blocks the light from the back light.Type: ApplicationFiled: June 3, 2024Publication date: December 5, 2024Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Tetsuroh ASAKURA