Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
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Patent number: 11073932Abstract: A touch display panel and a display device are provided. The touch display panel includes a display area and a non-display area around the display area. The non-display area includes a plurality of pressure sensors. At least one of the plurality of pressure sensors is located a distance of H away from a closest corner of the touch display panel, where H satisfies: 2.5 mm<H<42.5 mm. The touch display panel and the display device are provided to improve the pressure detection of the touch display panel.Type: GrantFiled: October 16, 2017Date of Patent: July 27, 2021Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Liang Liu, Feng Lu, Qijun Yao, Shaolong Ma
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Publication number: 20210226167Abstract: Provided are a display panel and display device. The display panel includes a first organic forbidden area and a first organic baffle wall disposed around a display area. The display area includes multiple light emitting units arranged in an array, and each light emitting unit includes a first electrode and a second electrode. The display panel further includes a substrate and a first metal layer and a second metal layer located at a side of the substrate, the second metal layer is configured to provide a first power supply for the second electrode through the first metal layer, and the first metal layer covers at least part of the first organic forbidden area and at least part of the first organic baffle wall. The display panel further includes an organic protective layer which covers at least a side wall of an edge of the first metal layer.Type: ApplicationFiled: April 2, 2021Publication date: July 22, 2021Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventor: Peng ZHANG
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Publication number: 20210225948Abstract: Provided are a display device and a manufacturing method thereof. The display device includes an organic light-emitting display panel and a fingerprint identification assembly disposed on a non-light-emitting display side of the organic light-emitting display panel. The fingerprint identification assembly includes a first substrate, a fingerprint identification unit and a light-shielding structure. The fingerprint identification unit and the light-shielding structure are disposed on a same side of the first substrate.Type: ApplicationFiled: March 16, 2021Publication date: July 22, 2021Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
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Publication number: 20210223634Abstract: A liquid crystal display panel is described. In an embodiment, the liquid crystal panel display includes: a first linear polarizer; a second linear polarizer; a first quarter-wave plate disposed between a first substrate and the first linear polarizer, an angle between a slow axis of the first quarter-wave plate and an absorption axis of the first linear polarizer being 45° or 135?; a second quarter-wave plate disposed between a liquid crystal layer and the first substrate, slow axes of the first quarter-wave plate and the second quarter-wave plate being perpendicular, and absorption axes of the first linear polarizer and the second linear polarizer being perpendicular; a first retardation film disposed between the first quarter-wave plate and the second quarter-wave plate; and a second retardation film disposed at a side of the first quarter-wave plate facing away from the first retardation film, or disposed between the second linear polarizer and the liquid crystal layer.Type: ApplicationFiled: April 1, 2021Publication date: July 22, 2021Applicant: Tianma Micro-Electronics Co., Ltd.Inventors: Jun ZHOU, Yuanying WANG
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Publication number: 20210225951Abstract: Disclosed are an array substrate and a display device. In some embodiments of the disclosure, at least one multi-access selector arranged proximate to a first non-right-angled edge is segmented into a plurality of sub-units, and orthographic projections of at least two of the sub-units are stagger in a Y direction, the Y direction is perpendicular to a X direction in which gate lines extend.Type: ApplicationFiled: April 6, 2021Publication date: July 22, 2021Applicant: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Hao Wu
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Patent number: 11066736Abstract: An embodiment of the present disclosure provides a vapor deposition device and a vapor deposition method thereof. The vapor deposition device comprises an adjustable magnet array. The adjustable magnet array comprises m magnet blocks, wherein a magnetization direction of at least one of the magnet blocks is adjustable. The vapor deposition device is used to prepare a film.Type: GrantFiled: April 23, 2018Date of Patent: July 20, 2021Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Jian Xu, Yaoyang Liu
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Patent number: 11069976Abstract: The present disclosure provides a phased-array antenna and a control method thereof. The phased-array antenna includes two parallel substrates attached by sealant into a cavity filled with liquid crystals, a plurality of phase-shifting units is provided in the cavity defined. Each unit comprises: a power feeder electrically connected to a radio frequency signal terminal, a radiator electrically connected to the power feeder, a ground electrode electrically connected to a ground signal terminal but electrically insulated from the power feeder and the radiator respectively, and a driving electrode electrically connected to a control signal wire. The orthographic projections of the driving electrode, the power feeder, and the ground electrode overlap on one substrate.Type: GrantFiled: June 29, 2020Date of Patent: July 20, 2021Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Chengdu Tianma Micro-Electronics Co., Ltd.Inventors: Kerui Xi, Tingting Cui, Boquan Lin, Feng Qin, Xuhui Peng, Qinyi Duan
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Publication number: 20210216165Abstract: A display device and a method for driving the same are provided. Touch electrode groups of a display panel of the display device correspond to the touch switch groups in one-to-one correspondence, each touch electrode group includes d touch electrodes subgroups arranged in a first direction, each touch switch group includes multiplexers, and each multiplexers includes m input terminals, and n output terminals electrically connected to the touch electrodes in one-to-one correspondence, where d=n/m. One touch analog front end group corresponds at least two touch pin groups. In one touch pin group and one touch analog front end group corresponding thereto, every two touch analog front ends are electrically connected to a same number of the touch pins. In one touch pin group and one touch switch group corresponding thereto, every two touch pins are electrically connected to a same number of the input terminals.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Fuyin Lin, Zhixin Chen
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Publication number: 20210217833Abstract: A display panel and a display device are provided. The display panel includes a substrate, a driving unit including a first transistor, and at least one light-emitting element. The first transistor includes a first source electrode and a first drain electrode that are located at a side of the at least one light-emitting element close to the substrate. Each of the at least one light-emitting element includes a first electrode, a light-emitting layer, and a second electrode that are sequentially stacked. The first electrode is connected to the first drain electrode through a first via, and the first drain electrode is located at a side of the first source electrode close to the substrate. A material of the first drain electrode is different from a material of the first source electrode.Type: ApplicationFiled: March 31, 2021Publication date: July 15, 2021Applicant: Tianma Micro-Electronics Co., Ltd.Inventors: Haochi YU, Feng LU, Yang ZENG, Lu LIAN
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Publication number: 20210217822Abstract: A display panel and a display device are provided. The display panel includes a substrate, a driving circuit layer, a planarization layer, and a light-emitting unit layer. The driving circuit layer is provided on a side of the substrate. The planarization layer is provided on a side of the driving circuit layer facing away from the substrate. The light-emitting unit layer is provided on a side of the planarization layer facing away from the driving circuit layer. The planarization layer includes a first planarization sublayer and a second planarization sublayer. The first planarization sublayer is arranged at least in a first region of the display panel. The second planarization sublayer is arranged at least in a second region of the display panel. Materials of the first planarization sublayer and the second planarization sublayer are different in composition.Type: ApplicationFiled: March 31, 2021Publication date: July 15, 2021Applicant: WuHan TianMa Micro-electronics CO., LTD.Inventors: Shuangli ZHU, Kangguan PAN, Leilei CAO
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Publication number: 20210215979Abstract: A liquid crystal display panel is described.Type: ApplicationFiled: March 31, 2021Publication date: July 15, 2021Applicant: Tianma Micro-Electronics Co., Ltd.Inventors: Yuanying WANG, Jun ZHOU
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Patent number: 11060908Abstract: A display module and a method for monitoring backlight brightness are provided in the present disclosure. The display module includes a display region including an opening region and a non-opening region. The display module includes a backlight module and an array substrate. The array substrate is at a light-exiting side of the backlight module. The array substrate includes a plurality of gate lines which extends along a first direction and is arranged along a second direction, and further includes a plurality of data signal lines which is arranged along the first direction and extends along the second direction. The array substrate further includes a first substrate and at least one photosensitive unit, where the photosensitive unit is at a side of the first substrate away from the backlight module; and the photosensitive unit is disposed at the non-opening region for sensing a luminous brightness of the backlight module.Type: GrantFiled: April 10, 2020Date of Patent: July 13, 2021Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Kan Wang, Yang Nan, Xiongping Li, Xiaoping Sun, Meilin Wang
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Patent number: 11061290Abstract: A liquid crystal module includes an array substrate, a color film substrate, and a liquid crystal layer. The array substrate and the color film substrate are disposed oppositely. The liquid crystal layer is disposed between the array substrate and the color film substrate. The array substrate includes a pixel electrode and a capacitor metal layer arranged on a side of the pixel electrode away from the liquid crystal layer. The capacitor metal layer and the pixel electrode form a storage capacitor. The color film substrate includes a reset electrode assembly. In a reset period, the reset electrode assembly is configured to access to a reset voltage signal to orient liquid crystal molecules along a first orientation direction. The reset electrode assembly includes an adjustment structure. During the reset period, the adjustment structure is configured to reduce a capacitive reactance load when the reset voltage signal is turned off.Type: GrantFiled: June 25, 2020Date of Patent: July 13, 2021Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Shihao Tang, Yang Zeng, Qijun Yao, Xiaoyue Su, Feng Lu
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Patent number: 11061284Abstract: An array substrate, a display panel, and a display device are provided. The array substrate comprises a plurality of pixel regions in an array along intersected first and second directions. The pixel region includes at least three subpixel regions. At least one subpixel region serves as an adjustment-subpixel region. The subpixel region has a first electrode including at least two parallel first straight portions. Second straight portions and first connecting portions are connected to first and second ends of the first straight portions, respectively. The first electrode corresponding to the adjustment-subpixel region serves as an adjustment electrode. An opening is configured at an end between the at least two adjacent second straight portions corresponding to the adjustment electrode. An angle between extending direction of the first straight portion and the second direction is less than an angle between extending direction of the second straight portion and the second direction.Type: GrantFiled: May 30, 2018Date of Patent: July 13, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yujiao Liang, Liting Fang, Ankai Ling, Yanping Yu, Boping Shen
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Patent number: 11062109Abstract: A display apparatus and a method for fabricating a display apparatus are provided. The display apparatus includes a backlight module and a display panel opposite to the backlight module. The display panel includes an array substrate and a color film substrate opposite to the array substrate. The array substrate is disposed on a side of the color film substrate away from the backlight module. The color film substrate includes a black matrix. The array substrate includes a plurality of fingerprint identification components; and an orthographic projection of the plurality of fingerprint identification components on the backlight module is within an orthographic projection of the black matrix on the backlight module.Type: GrantFiled: August 30, 2019Date of Patent: July 13, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiaoqi Shi, Zhipeng Huang, Bozhi Liu, Shoujin Cai, Guozhao Chen
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Patent number: 11062652Abstract: Disclosed are a pixel circuit, a driving method, a display panel and a display device. A data writing module of the pixel circuit supplies a data signal to a gate electrode of a drive transistor and a first plate of a storage capacitor in a data writing phase. A reset module of the pixel circuit supplies a reset signal to a second plate of the storage capacitor in a data writing phase. A threshold compensation module of the pixel circuit supplies a threshold compensation signal to the second plate of the storage capacitor in a threshold compensation phase, and accordingly a potential of the first plate of the storage capacitor is adjusted to a first potential, and the drive transistor is threshold compensated. The threshold compensation signal is greater than the reset signal. A drive transistor supplies a drive current to an organic light-emitting element in a light emission phase to drive the organic light-emitting element to emit light.Type: GrantFiled: April 28, 2020Date of Patent: July 13, 2021Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Maoqing Zhou, Fei Chen, Dongxu Xiang
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Patent number: 11063105Abstract: A display panel and fabrication method, and a display device are provided. The display panel includes a base substrate, a first transistor and a storage capacitor. The storage capacitor includes a first electrode and a second electrode, and the first electrode and a gate of the first transistor have an overlapped region. The display panel also includes a first insulating layer having a plurality of first vias in the overlapped region, and the first electrode is electrically connected to the gate of the first transistor through the plurality of first vias. A plurality of grooves are formed on a side of the first electrode facing away from the base substrate. A plurality of protrusions are formed on a side of the second electrode facing toward the base substrate. A groove, a protrusion and a first via overlap in a direction perpendicular to the surface of the base substrate.Type: GrantFiled: March 17, 2020Date of Patent: July 13, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Shui He, Shaorong Yu, Zhaokeng Cao
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Publication number: 20210210581Abstract: Disclosed are a display module and a display apparatus. The display module includes a first display region and a second display region bordering the first display region. The first display region includes first pixel circuit regions arranged in an array and multiple photosensitive regions. The second display region includes second pixel circuit regions arranged in an array. The number of first pixel circuit regions per unit area is equal to and the number of second pixel circuit regions per unit area. The display module further includes an image acquisition module, which includes a micro-lens module. The micro-lens module includes multiple micro-lenses in one-to-one correspondence with the multiple photosensitive regions, and each micro-lens is disposed in a corresponding photosensitive region.Type: ApplicationFiled: May 11, 2020Publication date: July 8, 2021Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventor: Yangzhao MA
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Publication number: 20210212211Abstract: The present disclosure provides a flexible display device including a flexible display panel, a flexible printed circuit board, and a reel. The flexible printed circuit board includes a first binding area provided with a first pad and an element area provided with an integrated circuit. The flexible display panel includes a display area, and a second binding area provided with a second pad. The first pad is bound to the second pad. The reel has a cavity, and the reel includes an inner surface facing towards the cavity and an outer surface facing away from the cavity. The inner surface includes a first surface, and the first surface is flat. The element area of the flexible printed circuit board is provided on the first surface, and the display area of the flexible display panel is rollable along the outer surface of the reel.Type: ApplicationFiled: March 23, 2020Publication date: July 8, 2021Applicant: WuHan TianMa Micro-electronics CO., LTD.Inventors: Shunqi TANG, Congyi SU, Jian JIN
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Publication number: 20210208633Abstract: A display panel and a display device are provided. The display panel has a display area including first and second display areas. First light-emitting units and first pixel circuits are provided in the first display area, and second light-emitting units and second pixel circuits are provided in the second display area. The first pixel circuits are distributed corresponding to an arrangement of the first light-emitting units. The second display area includes at least one light-shielding area and a light-transmitting area surrounding the at least one light-shielding area. The second pixel circuits are all located in the at least one light-shielding area, and at least one of the second light-emitting units is completely located in the light-transmitting area. Each second light-emitting unit located in the light-transmitting area is connected to one second pixel circuit located in the light-shielding area through an anode connection line.Type: ApplicationFiled: May 28, 2020Publication date: July 8, 2021Applicant: WuHan TianMa Micro-electronics CO., LTDInventors: Yangzhao MA, Xingxing YANG, Zhiqiang XIA, Ruiyuan ZHOU