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公开(公告)号:US20180137337A1
公开(公告)日:2018-05-17
申请号:US15864986
申请日:2018-01-08
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor: Yang ZENG , Qing ZHANG , Lihua WANG , Liang XiE , Hong DING , Lingxiao DU , Huiping CHAI , Kang YANG , Qijun YAO
IPC: G06K9/00
CPC classification number: G06K9/00087 , G06K9/00013
Abstract: A display device, a fingerprint recognition calibration method for the display device and an electronic apparatus are disclosed. The fingerprint recognition calibration method includes: for any fingerprint recognition unit, during an initial calibration, displaying a first image by the display panel and acquiring a bright screen calibration fingerprint data by the fingerprint recognition unit and not displaying any image by the display panel and acquiring a dark screen calibration fingerprint data by the fingerprint recognition unit; during a fingerprint recognition, displaying the first image by the display panel and acquiring a bright screen fingerprint data by the fingerprint recognition unit; and performing calibration according to a calibration formula to obtain a calibrated fingerprint recognition data by the fingerprint recognition unit.
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公开(公告)号:US20200279899A1
公开(公告)日:2020-09-03
申请号:US16454778
申请日:2019-06-27
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
Inventor: Qing ZHANG , Qijun YAO , Xiaoyue SU
IPC: H01L27/32
Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a plurality of pixel units disposed on the base substrate. Each of the plurality of pixel units includes a drive thin film transistor, a switch thin film transistor, a reset thin film transistor, and an organic light-emitting device. For each of the switch thin film transistor and the reset thin film transistor, in a direction perpendicular to a plane of the base substrate, a source and a drain are respectively located at two sides of a gate. The drain of the switch thin film transistor is electrically connected to a gate of the drive thin film transistor, and the drain of the reset thin film transistor is electrically connected to a drain of the drive thin film transistor. The drain of the drive thin film transistor is coupled to the organic light-emitting device.
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公开(公告)号:US20190042019A1
公开(公告)日:2019-02-07
申请号:US15876345
申请日:2018-01-22
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor: Hong DING , Lingxiao DU , Huiping CHAI , Kang YANG , Liang XIE , Qing ZHANG
IPC: G06F3/044 , G09G3/36 , G09G3/3208 , G06F3/047
Abstract: Provided are display panel, mobile terminal and a driving method for reducing the width of the border and increasing the touch sensitivity of the special-shaped area. The display panel is divided into a display area and a non-display area, the display area includes a first area and a second area, the first area is a convex area extending from a side of the second area and protruding away from the side of the second area; the display panel includes first touch electrodes placed in the first area and second touch electrodes placed in the second area, the first touch electrode is one of an self-capacitance touch electrode and an mutual capacitive touch electrode while the second touch electrode is the other one of the self-capacitance touch electrode and the mutual capacitive touch electrode. The display panel above is suitable for the mobile terminal.
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公开(公告)号:US20180068166A1
公开(公告)日:2018-03-08
申请号:US15812235
申请日:2017-11-14
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor: Yang ZENG , Qing ZHANG , Lihua WANG , Liang XIE , Lingxiao DU , Hong DING , Huiping CHAI , Kang YANG , Qijun YAO
IPC: G06K9/00 , G02F1/1333
Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a substrate; a plurality of light-emitting units, which are in the display area of the substrate and include emission colors: a first color, a second color and a third color, where a light transmittance of the first color and a light transmittance of the second color are both greater than a light transmittance of the third color; and a plurality of first fingerprint recognition units and a plurality of second fingerprint recognition units, which are in the display area of the substrate. Each light-emitting unit serves as a light source of each fingerprint recognition unit, and each first fingerprint recognition unit and each second fingerprint recognition unit have different configuration parameters so as to detect a same electric signal value with respect to a reflector.
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公开(公告)号:US20170372113A1
公开(公告)日:2017-12-28
申请号:US15691239
申请日:2017-08-30
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor: Qing ZHANG , Yang ZENG , Lihua WANG , Kang YANG , Hong DING , Lingxiao DU , Liang XIE , Huiping CHAI , Qijun YAO
CPC classification number: G06K9/0004 , G02B5/3025 , G02B5/3033 , G02B27/281 , G06K9/2027 , G06K9/2036 , G09G3/3225 , G09G3/3233 , G09G3/3406 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262 , G09G2354/00 , H01L27/3234 , H01L27/3244 , H01L27/3246 , H01L51/0097 , H01L51/5253 , H01L51/5268 , H01L51/5281 , H01L2251/5315 , H01L2251/5338
Abstract: A display panel and a display device thereof are provided. The display panel comprises a display module comprising a first substrate and a first polarizer, wherein a light-exiting surface of the display module is arranged on an outer side of the first polarizer; a fingerprint recognition module disposed on an outer side of the first substrate and comprising a fingerprint recognition layer and a second polarizer disposed on an inner side of the fingerprint recognition layer; and a light source disposed on an inner side of the first polarizer. The fingerprint recognition layer recognizes fingerprint based on fingerprint signal light. The first polarizer is engaged with the second polarizer, such that the fingerprint signal light is transmitted through the first polarizer and the second polarizer without a light intensity loss, and the second polarizer reduces the light intensity of fingerprint noise light.
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公开(公告)号:US20200335017A1
公开(公告)日:2020-10-22
申请号:US16916122
申请日:2020-06-30
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor: Qijun YAO , Qing ZHANG
Abstract: A rollable display device including a rollable display module is provided. The rollable display module includes a hard film group and a flexible film group that are stacked, the hard film group has a greater overall Young's modulus than the flexible film group, and the rollable display device has a rolled state and an unrolled state; the hard film group includes a first surface facing away from the flexible film group in the unrolled state; the rollable display module is rolled towards the first surface in the rolled state; a minimum thickness of the flexible film group is D1, a thickness of the hard film group is D2, and D1/(D1+D2)>πn/M, where n is a positive number that represents a preset number of rolling turns of the rollable display module, and M represents a failure strain of the flexible film group under a shearing stress.
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公开(公告)号:US20200242319A1
公开(公告)日:2020-07-30
申请号:US16453928
申请日:2019-06-26
Applicant: Shanghai Tianma Micro-Electronics Co.,Ltd.
Inventor: Yang ZENG , Feng LU , Haochi YU , Qing ZHANG
Abstract: A display apparatus is provided in the present disclosure. The display apparatus includes a cover layer having a first surface and an opposing second surface along a first direction, and the first surface is a touch-control operation surface of the display apparatus. The display apparatus further includes a light-shielding layer including a plurality of light-transmitting pinholes, and a light-sensitive sensor layer. The light-transmitting pinholes include first and second light-transmitting pinholes adjacent to each other. An imaging area on the light-sensitive sensor layer corresponding to the first light-transmitting pinhole is a first imaging area. Sensing areas on the light-sensitive sensor layer for detecting images corresponding to the first and the second light-transmitting pinholes are a first and a second sensing areas, respectively. The first imaging area covers and exceeds the first sensing area, and the first imaging area is non-overlapped with the second sensing area.
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公开(公告)号:US20180129852A1
公开(公告)日:2018-05-10
申请号:US15796484
申请日:2017-10-27
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor: Yang ZENG , Qing ZHANG , Lihua WANG , Liang XIE , Lingxiao DU , Hong DING , Huiping CHAI , Kang YANG , Qijun YAO
CPC classification number: G06K9/00013 , G06K9/0004 , H01L27/3211 , H01L27/3216 , H01L27/323 , H01L27/3234 , H01L27/3253 , H01L27/3265 , H01L27/3276 , H01L51/5218 , H01L2251/5315
Abstract: A display panel and an electronic device are provided. The display panel includes: an array substrate; a plurality of organic light emitting units disposed on the array substrate; at least one fingerprint identification unit located in a display region at a side close to the array substrate of the organic light emitting units. The fingerprint identification unit performs fingerprint identification according to light rays reflected on the fingerprint identification unit by a touch body. Each organic light emitting unit includes a red organic light emitting unit, a green organic light emitting unit and a blue organic light emitting unit. In a fingerprint identification phase, the red/green organic light emitting unit emits light to be a light source for the fingerprint identification unit. Compared with the blue organic light emitting unit, the red/green organic light emitting unit has a smaller transparent area towards a side opposite to a display side.
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公开(公告)号:US20180040673A1
公开(公告)日:2018-02-08
申请号:US15786556
申请日:2017-10-17
Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor: Yang ZENG , Qing ZHANG , Lihua WANG , Liang LIU , Feng LU , Shaolong MA , Qijun YAO
CPC classification number: H01L27/323 , G06F3/0412 , G06F3/0414 , G06F3/0421 , G06F3/047 , G06F2203/04106 , H01L27/3225 , H01L27/3234 , H01L51/5203
Abstract: Disclosed are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel comprises a first substrate; the first substrate comprises a plurality of pressure-sensitive detection structures and a plurality of light-sensitive identification structures provided in an array, the pressure-sensitive detection structure comprises a semiconductor material film, the light-sensitive identification structure comprises a light-sensitive identification switch, the light-sensitive identification switch comprises a first active layer, and the semiconductor material film and the first active layer are provided on the same layer
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公开(公告)号:US20210408501A1
公开(公告)日:2021-12-30
申请号:US17005048
申请日:2020-08-27
Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
Inventor: Quanpeng YU , Qing ZHANG
Abstract: A display panel, a display device and a manufacturing method of the display panel are provided. The display panel has a display area and a non-display area surrounding the display area and includes a substrate, an array layer, a display layer, and an encapsulation layer that are arranged sequentially, and an ink layer located in the non-display area and surrounding the display area. The ink layer includes a first ink layer and a second ink layer that are located in different layers. Each of an orthographic projection of the first ink layer on the substrate and an orthographic projection of the second ink layer on the substrate is a non-closed pattern surrounding the display area.
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