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公开(公告)号:US11003886B2
公开(公告)日:2021-05-11
申请号:US16082444
申请日:2018-01-04
Applicant: BOE Technology Group Co., Ltd.
Inventor: Rui Xu , Xue Dong , Haisheng Wang , Yingming Liu , Pinchao Gu , Changfeng Li , Qingrong Ren
Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element. The collimating filter layer comprises a plurality of strip-shaped light guide portions arranged to be spaced and parallel, a longitudinal direction of the plurality of strip-shaped light guide portions being substantially perpendicular to the light entrance surface of the photosensitive element.
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公开(公告)号:US10714543B2
公开(公告)日:2020-07-14
申请号:US16316541
申请日:2018-03-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Yanan Jia , Xue Dong , Haisheng Wang , Chunwei Wu , Yingming Liu , Changfeng Li , Rui Xu , Lijun Zhao , Yunke Qin , Pinchao Gu , Yuzhen Guo , Yanling Han
Abstract: Disclosed are an optical fingerprint identification device and a display panel including the same. The optical fingerprint identification device includes a light emitting structure and a photosensitive sensor. The light emitting structure includes a transparent first electrode, an opaque second electrode, an electroluminescent layer between the first electrode and the second electrode, and a through hole penetrating the first electrode, the electroluminescent layer and the second electrode. The photosensitive sensor is disposed on a side of the second electrode facing away from the electroluminescent layer, and is configured to receive light rays transmitted through the through hole and acquire fingerprint information according to the received light rays.
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63.
公开(公告)号:US10705349B2
公开(公告)日:2020-07-07
申请号:US15509434
申请日:2016-08-05
Inventor: Xiaochen Niu , Xue Dong , Wenqing Zhao , Xiaochuan Chen , Jian Gao , Pengcheng Lu , Ming Yang , Qian Wang , Rui Xu , Lei Wang , Pengpeng Wang
IPC: G02B27/22 , G02B30/26 , H04N13/312 , H04N13/324 , G02B27/42 , G02B30/25 , H04N13/302 , G02F1/1335 , G02F1/1368 , G02F1/13357 , H04N13/30 , F21V8/00 , G02F1/1362 , G02F1/1333
Abstract: Disclosed are a dual-view naked-eye 3D display device and a method for manufacturing the same, and a liquid crystal display device. The dual-view naked-eye 3D display device includes a thin film transistor (TFT) substrate, a diffraction grating provided on the TFT substrate, a liquid crystal layer provided on the diffraction grating, a polarizer provided on the liquid crystal layer, and a light source for emitting light to the TFT substrate. The TFT substrate includes a plurality of pixel units arranged in an array, the diffraction grating in each pixel unit having two grating patterns, and the extending directions of the light-shielding strips of the two grating patterns being at a predetermined angle.
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公开(公告)号:US10691916B1
公开(公告)日:2020-06-23
申请号:US16326478
申请日:2018-05-11
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yingming Liu , Haisheng Wang , Xue Dong , Xiaoliang Ding , Rui Xu , Changfeng Li , Pinchao Gu
IPC: G06K9/00
Abstract: Disclosed are a pattern recognition device, an array substrate and a display apparatus. The pattern recognition device includes: a base substrate; and a plurality of pattern recognizers on the base substrate, at least one of the plurality of pattern recognizers including a photosensitive structure and an optical path selector. The photosensitive structure includes a first light-shielding electrode, a photoelectric conversion and a second light-shielding electrode which are arranged in a stacked manner, the first light-shielding electrode including a light-transmitting region; and the optical path selector is configured to direct pattern light rays having a predetermined angle with respect to a surface of the pattern recognition device to the light-transmitting region.
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公开(公告)号:US10661105B2
公开(公告)日:2020-05-26
申请号:US15147048
申请日:2016-05-05
Inventor: Rui Xu , Xiaochuan Chen , Haisheng Wang , Lei Wang , Ming Yang , Qian Wang , Pengcheng Lu , Peng Liu , Shengji Yang , Yingming Liu , Jiantao Liu
Abstract: Disclosed are a respirator and a head-mounted protection apparatus. The respirator includes a respirator body. A breathing passage is formed in the respirator body for airflow when a user breathes. The respirator further includes a filter layer switching device and at least two filter layers of different filtering properties, and the filter layer switching device is installed on the respirator body and is configured to switch filter layers below the breathing passage according to requirements. In use of the respirator, the user can transfer a filter layer of a required performance to a region below the breathing passage using the filter layer switching device based on his requirement for air filtration.
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公开(公告)号:US10656764B2
公开(公告)日:2020-05-19
申请号:US15959731
申请日:2018-04-23
Applicant: BOE Technology Group Co., Ltd.
Inventor: Yanan Jia , Xue Dong , Haisheng Wang , Chun-Wei Wu , Yingming Liu , Rui Xu , Lijun Zhao , Changfeng Li , Yunke Qin , Yuzhen Guo , Pinchao Gu , Yanling Han
Abstract: Disclosed are a touch device and a display device, where the touch device includes: an array substrate, a plurality of sensing elements arranged on the array substrate to recognize a fingerprint, and a plurality of filter structures arranged on a side of the plurality of sensing elements; the side is away from the array substrate: each of the plurality of filter structures comprises a plurality of filter layers arranged in a stack, each of the plurality of filter layers comprises light-transmitting areas and light-shielding areas on a periphery of the light-transmitting areas, orthographic projections of any two of the light-transmitting areas of the plurality of filter layers onto the array substrate have an overlapping area; the overlapping area is smaller than an area of an orthographic projection of any one of the light-transmitting areas of the plurality of filter layers onto the array substrate.
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公开(公告)号:US10579172B2
公开(公告)日:2020-03-03
申请号:US15715260
申请日:2017-09-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Wei Liu , Xue Dong , Jing LV , Haisheng Wang , Chun-Wei Wu , Xiaoliang Ding , Yingming Liu , Rui Xu , Changfeng Li , Pengpeng Wang , Lijun Zhao , Yanan Jia , Yanling Han , Yuzhen Guo
Abstract: The present disclosure provides a touch display panel, a display device, and a drive method. The touch display panel includes a substrate, a plurality of touch sensing electrodes, and a plurality of pressure sensors. The substrate is provided with a light emission side; and a plurality of touch sensing electrodes and a plurality of pressure sensors. The pressure sensors and the touch sensing electrodes are positioned at the light emission side of the substrate. The pressure sensor includes a first pressure electrode and a second pressure electrode. The first pressure electrode is formed on the display panel. The second pressure electrode and the touch sensing electrode jointly form a touch circuit, and the second pressure electrode is used as a drive electrode of the touch circuit.
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公开(公告)号:US10551627B2
公开(公告)日:2020-02-04
申请号:US15511558
申请日:2016-05-27
Inventor: Jian Gao , Xiaochuan Chen , Wenqing Zhao , Pengcheng Lu , Ming Yang , Qian Wang , Xiaochen Niu , Rui Xu , Lei Wang
IPC: G02F1/1343 , G02B27/22 , G02B5/18 , G02F1/1335
Abstract: A 3D display device is provided. The 3D display device includes a display panel and a light source, the display panel including a first substrate and a second substrate, wherein, the light source is disposed on a side surface of the first substrate, and configured to emit light into the first substrate, wherein, light is propagated in the first substrate in a total reflection manner; the 3D display device further includes a light adjustment structure disposed on a surface of the first substrate facing the second substrate; the light adjustment structure is configured to adjust an emergent direction of light incident into the light adjustment structure from the first substrate, such that a first part of light emerging from the light adjustment structure is propagated in a left eye direction through a first display unit of the display panel, and a second part of light emerging from the light adjustment structure is propagated in a right eye direction through a second display unit of the display panel. Thus, a utilization rate and brightness of light can be improved, and a thickness of the display device is reduced.
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公开(公告)号:US10509942B2
公开(公告)日:2019-12-17
申请号:US15756168
申请日:2017-09-05
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Haisheng Wang , Lijun Zhao , Yingming Liu , Rui Xu , Changfeng Li , Yanan Jia , Yuzhen Guo , Pinchao Gu , Yunke Qin
IPC: G06K9/00 , G02F1/1335 , G06F3/041
Abstract: The present disclosure discloses a fingerprint identification device, a fingerprint identification method and a touch screen. The fingerprint identification device comprises: an optical sensor with a receiving surface configured to receive fingerprint reflected light; and a lens assembly configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor, wherein the lens assembly includes a liquid crystal lens configured to converge the fingerprint reflected light toward the receiving surface of the optical sensor by rotating liquid crystal molecules at different angles upon energization.
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公开(公告)号:US10467452B2
公开(公告)日:2019-11-05
申请号:US15742102
申请日:2017-06-29
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Changfeng Li , Haisheng Wang , Yingming Liu , Rui Xu , Pengpeng Wang , Pengcheng Lu
IPC: G06K9/00 , G02F1/1333 , G02F1/1335 , G02F1/1343 , G02F1/133
Abstract: A fingerprint identification display panel and a display device are disclosed. For the liquid crystal layer at the position corresponding to the first opening area corresponding to the photosensitive sensing unit in the light shielding layer, the initial direction of the long axis of the liquid crystal molecules is set to form an angle of 45 degrees with the transmission axis direction of the upper polarizer, and the liquid crystal layer at the position corresponding to the first opening area is controlled to form an equivalent quarter-wave plate.
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