Patents Assigned to Shanghai Tianma Micro-Electronics Co., Ltd.
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Patent number: 11839038Abstract: Display device and vehicle are provided. The display device includes a display panel and an adjustment assembly arranged on a side facing away from a light emitting surface of the display panel and used to bend the display panel. in a bent state, the display panel includes a first display area and a second display area, and the display panel is bent at a junction of the first display area and the second display area, the adjustment assembly is configured to be movable to change a bending position of the display panel and adjust a range of the first display area and a range of the second display area.Type: GrantFiled: August 13, 2021Date of Patent: December 5, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Xiaoyin Zhang
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Patent number: 11830400Abstract: A circuit structure, a method for driving the same, and a display apparatus are provided. The circuit structure includes shift units and a control circuit. The shift units are cascaded and include first to third shift units. The control circuit includes a first control unit and a second control unit. The first control unit is electrically connected between the first shift unit and the second shift unit, and is configured to control a shift control signal output by the first shift unit to be transmitted to the second shift unit when the first control unit is turned on. The second control unit is electrically connected between the second shift unit and the third shift unit, and is configured to control a shift control signal output by the second shift unit to be transmitted to the third shift unit when the second control unit is turned on.Type: GrantFiled: June 8, 2022Date of Patent: November 28, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Feng Lu
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Patent number: 11830395Abstract: A detection circuit, a method for driving the same, and a display device are provided. In an embodiment, the detection circuit includes driving circuits, signal reading lines, and a pre-configuration module. In an embodiment, one of the signal reading lines is coupled to at least two of the driving circuits. In an embodiment, the pre-configuration module is coupled to the signal reading lines, and configured to output a preset signal to the signal reading lines to pre-configure potentials on the signal reading lines.Type: GrantFiled: June 3, 2022Date of Patent: November 28, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Qijun Yao
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Patent number: 11824262Abstract: Provided are an antenna, a phase shifter, and a communication device. The antenna includes a first metal electrode, a second metal electrode, and a photo-sensitive layer. The first metal electrode and the second metal electrode are respectively located on two opposite sides of the photo-sensitive layer. The first metal electrode includes multiple transmission electrodes. The multiple transmission electrodes are configured to transmit electrical signals. The photo-sensitive layer includes at least one photo-sensitive unit and the at least one photo-sensitive unit overlaps the transmission electrodes. The antenna provides more possibilities for large-scale commercialization.Type: GrantFiled: June 29, 2021Date of Patent: November 21, 2023Assignees: Shanghai AVIC OPTO Electronics Co., Ltd., Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Kerui Xi, Xuhui Peng, Feng Qin, Tingting Cui, Baiquan Lin
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Patent number: 11822199Abstract: A liquid crystal display device includes a first liquid crystal display panel and a second liquid crystal display panel. The second liquid crystal display panel includes a scanning wiring extending in a zig-zag in the predetermined first direction. A period of bending points of the scanning wiring corresponds to a predetermined number of the sub pixels of the first liquid crystal display panel. The predetermined number is greater that a number of colors of the sub pixels arranged in the predetermined first direction in one of the first main pixel of the first liquid crystal display panel, and is not a natural number multiple of the number of colors of the sub pixels repeatedly arranged along the predetermined first direction of the first liquid crystal display panel.Type: GrantFiled: February 3, 2023Date of Patent: November 21, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Hisashi Hayashi, Hidenori Ikeno
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Publication number: 20230368568Abstract: A display panel including light-sensing devices and light-detection circuits. The light-detection circuit includes a sensing module, a reading module, and a resetting module. The sensing module includes a control terminal electrically connected to the light-sensing device and the resetting module, an input terminal electrically connected to a first signal line, and an output terminal electrically connected to the reading module. Further, a first light-sensing device is electrically connected to the control terminal of the sensing module in a first light-detection circuit, and a second light-sensing device is electrically connected to the control terminal of the sensing module in a second light-detection circuit. The second light-detection circuit further includes a first capacitor, and the first capacitor is electrically connected to the control terminal of the sensing module in the second light-detection circuit.Type: ApplicationFiled: July 3, 2023Publication date: November 16, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Feng LU, Yang ZENG, Yaodong WU
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Patent number: 11817441Abstract: A display panel and a display device are provided. The display panel includes a plurality of pixels. A pixel of the plurality of pixels includes a light-emitting layer, and the plurality of pixels include at least one first pixel and at least one second pixel. A first pixel is electrically connected to a first pixel circuit, and a second pixel is electrically connected to a second pixel circuit. An orthographic projection of the first pixel circuit on a plane of the display panel has an area smaller than an orthographic projection of the second pixel circuit on the plane of the display panel. In a direction perpendicular to the plane of the display panel, a light-emitting layer of the first pixel at least partially overlaps the second pixel circuit, and a light-emitting layer of the second pixel at least partially overlaps the second pixel circuit.Type: GrantFiled: June 8, 2022Date of Patent: November 14, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Cao Liu, Yingying Chen, Xiaoli Liu, Sitao Huo
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Patent number: 11815752Abstract: A display module and a method for driving the same, a display apparatus, and a vehicle are provided. The display module includes a backlight component, and a display component and a light-adjusting component that are located at a side of the backlight component facing toward a light-emitting direction of the display module. The backlight component includes a first light guide structure and a light regulating structure. The light-adjusting component includes first and second electrodes, and a first liquid crystal. The display module has a sharing mode and an anti-peeping mode. In the sharing mode, the first electrode and the second electrode are not energized, and the first liquid crystal is in a wide viewing angle state. In the anti-peeping mode, the first electrode and the second electrode drive the first liquid crystal to be in a narrow viewing angle state.Type: GrantFiled: January 12, 2023Date of Patent: November 14, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Longcai Xin, Zhiyuan Zhang, Fan Tian
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Patent number: 11817047Abstract: A display panel includes a pixel circuit that includes a light emitting module, a driving module, a first dual control module, and a second dual control module. A control end of the driving module is connected to a first node. The first dual control module has a control end connected to a first scanning line and has a first end connected to the first node. A first capacitor is formed between an intermediate node of the first dual control module and a first potential line. The second dual control module has a first end connected to the first node and has a second end connected to the driving module. A second capacitor is formed between an intermediate node of the second dual control module and a second potential line. Capacitance of one of the first capacitor and the second capacitor is greater than another.Type: GrantFiled: December 28, 2022Date of Patent: November 14, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xingda Xia, Jujian Fu, Nana Xiong, Yuqi Hu
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Publication number: 20230361769Abstract: Provided are a sensing circuit and a sensing method thereof, a sensor chip, and a display panel. The sensing circuit includes a first transistor including a first gate and a second gate, a first capacitor, a read circuit, and a bias compensation circuit. The first gate receives a sensing signal outputted by a sensor. The first capacitor is connected between the second gate and a first fixed potential signal terminal. The read circuit is connected between the first transistor and an output terminal of the sensing circuit. The bias compensation circuit is electrically connected to the first transistor and configured to input a bias voltage into the second gate of the first transistor. The bias voltage received by the second gate reduce the threshold voltage drift of the first transistor.Type: ApplicationFiled: July 12, 2023Publication date: November 9, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yukun HUANG, Linzhi WANG, Kerui XI, Baiquan LIN, Zhenyu JIA, Aowen LI, Haotian LU
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Publication number: 20230352638Abstract: A display panel includes a substrate, a plurality of light-emitting devices, a first encapsulation layer, and a first dielectric layer. The first encapsulation layer includes a first portion and a second portion at least partially surrounding the first portion. The first dielectric layer is located between the first encapsulation layer and the plurality of light-emitting devices. Along the direction perpendicular to the plane of the display panel, a distance between a surface of the first portion away from at least one light-emitting device of the plurality of light emitting devices and a surface of the third portion away from the at least one light-emitting device is smaller than a distance between a surface of the second portion away from the at least one light-emitting device and a surface of the fourth portion away from the at least one light-emitting device.Type: ApplicationFiled: July 5, 2023Publication date: November 2, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Liqun CHEN, Xiaoli LIU
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Patent number: 11805675Abstract: A display panel and a display device are provided. The display panel includes a substrate an array layer on the substrate; a display layer located on a side of the array layer away from the substrate, wherein the display layer includes a plurality of light-emitting devices; an optical layer located on a side of the display layer away from the array layer, wherein the optical layer includes a first optical structure, and the first optical structure is arranged corresponding to intervals between the plurality of light-emitting devices; and a first light-shielding member located on a side of the optical layer facing the substrate, wherein the first light-shielding member forms a light pass opening, and the light pass opening and the first optical structure overlap each other.Type: GrantFiled: August 20, 2021Date of Patent: October 31, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yaodong Wu, Yang Zeng, Shucheng Ge, Yu Cai
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Patent number: 11803270Abstract: A touch panel includes arranged touch electrodes, and a driver IC connected to each of the touch electrodes. The plurality of touch electrodes is grouped into a plurality of groups such that electrodes belonging to different groups are included in a range smaller than an object to be detected, such as a finger. The driver IC alternately or sequentially applies a driving voltage to the touch electrodes of the plurality of groups, detects a capacitance of each of the sensor electrodes, and detects, based on the detected capacitance, whether there is a touch.Type: GrantFiled: May 6, 2022Date of Patent: October 31, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Tsuyoshi Ichiraku, Yukihiro Ito, Hitoshi Hiratsuka
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Publication number: 20230343761Abstract: A display panel and a display apparatus are provided. The display panel includes at least two sub-panels spliced with each other. A medium material is filled between two adjacent sub-panels. A lateral surface of the sub-panel in contact with the medium material is defined as a splicing surface. The splicing surface of at least one of two spliced sub-panels includes grooves. In a splicing process, the medium material may flow through the grooves, so that fluidity of medium material is improved and the bubbles is prevented in medium materials, thereby reducing the visibility of splicing seams caused by light scattering at bubbles.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Haijing CHEN
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Patent number: 11798468Abstract: A display panel and a display apparatus are provided. The display panel has a conventional display region and a function display region for arranging an optical function element, and includes first pixel circuits and first fixed potential lines that are located in the conventional display region and electrically connected to the first pixel circuits, and further includes second pixel circuits and second fixed potential lines that are located in the function display region and are electrically connected to the second pixel circuits. A distance between two adjacent first fixed potential lines of the first fixed potential lines is greater than a distance between two adjacent second fixed potential lines of the second fixed potential lines.Type: GrantFiled: October 21, 2022Date of Patent: October 24, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Zhaokeng Cao, Gaojun Huang, Zhongjie Zhang, Chunmei Gao, Yangzhao Ma
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Patent number: 11800662Abstract: A deformable display device and a deformation control method therefor are provided. The deformable display device includes a flexible display screen and a deformation control structure configured to drive the flexible display screen to deform. The deformable display device has a first mode and a second mode. A first distance between a first point of the flexible display screen and a reference point in the first mode is not equal to a second distance between the first point and the reference point in the second mode. The reference point is a point on the deformation control structure. A position of the reference point remains unchanged when the deformable display device is switched from the first mode to the second mode. A display surface, on which the first point is located, of the flexible display screen intersects a line connecting the first point with the reference point.Type: GrantFiled: December 20, 2021Date of Patent: October 24, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Xiaoyin Zhang, Ping An
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Patent number: 11797116Abstract: A touch panel, a method for testing the touch panel and a display device are provided. In order to test the touch panel, all touch electrodes are connected in series to obtain a branch during the testing phase, a test signal is inputted to the branch, and a feedback signal outputted by the branch is analyzed for determination. All the touch electrodes are isolated from each other during a phase rather than the testing phase. Therefore, whether a touch electrode is abnormal is determined by controlling all the touch electrodes to be connected in series during the testing phase and isolated from each other during the phase rather than the testing phase, to improve efficiency for testing a touch electrode and simplifying the process of testing the touch electrode.Type: GrantFiled: January 25, 2022Date of Patent: October 24, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Jing Zhang, Feng Lu
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Publication number: 20230337510Abstract: Provided a display panel and a display device. The display panel has a first display region including a light-transmitting region. The display panel includes a display function layer including light-emitting elements, a color filter layer arranged on a side of the display function layer facing towards a display surface of the display panel, and auxiliary structures that are nonopaque and arranged on the side of the display function layer facing towards the display surface of the display panel. The color filter layer includes color resists corresponding to the light-emitting elements. The auxiliary structure is at least located between adjacent color resists, and overlaps with the light-transmitting region. The display device includes the display panel.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yang ZENG, Chong QIAN, Chenhang SHENG, Hua GONG, Shaowei LIU, Lulu PAN, Ye JIN, Xiaoyan LAI
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Publication number: 20230333685Abstract: A tactile presentation device includes a movable part, a base, a guider, and one or more actuators. The movable part includes a first main surface and presents tactile to a user by being displaced in a predetermined one axial direction parallel to the first main surface. The base supports the movable part in a displaceable manner. The guider connects the base and the movable part, and regulates a displacement direction of the movable part in the one axial direction by sliding in the one axial direction. The actuator displaces the movable part in the one axial direction from one end side of the movable part in the one axial direction. When the number of actuators is one, the actuator is located on a symmetry axis of the movable part parallel to the one axial direction.Type: ApplicationFiled: June 16, 2023Publication date: October 19, 2023Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Harue SASAKI, Hiroshi Haga, MingJi Hsu
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Patent number: 11791553Abstract: A phase shifter, a fabrication method thereof, and an antenna are provided. The phase shifter includes a first substrate, a second substrate, a ground electrode disposed on a side of the first substrate facing towards the second substrate, a transmission electrode disposed on a side of the second substrate facing towards the first substrate, and liquid crystals filled between the first substrate and the second substrate. In a direction perpendicular to a plane of the second substrate, the transmission electrode overlaps with the ground electrode. The ground electrode is provided with a detection hollow part, and in the direction perpendicular to the plane of the second substrate, at least a part of the detection hollow part does not overlap with the transmission electrode.Type: GrantFiled: August 24, 2020Date of Patent: October 17, 2023Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Chengdu Tianma Micro-Electronics Co., Ltd.Inventors: Kerui Xi, Xuhui Peng, Feng Qin, Tingting Cui, Qinyi Duan, Qiongqin Mao