公开(公告)号：US20190178712A1

公开(公告)日：2019-06-13

申请号：US16315561

申请日：2018-04-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haisheng WANG ,  Xiaoliang DING ,  Chihjen CHENG ,  Yanling HAN ,  Wei LIU ,  Ping ZHANG ,  Pengpeng WANG ,  Xueyou CAO ,  Yanan JIA

IPC: G01J1/42 ,  G01J1/44

Abstract: The present disclosure provides an optical measurement module which includes a detection sub-circuit, a comparison sub-circuit and a blocking layer, the blocking layer includes at least one blocking element, the detection sub-circuit comprises a first photosensitive element, and the detection sub-circuit is configured to output a detection signal according to light irradiation received by the first photosensitive element and an input signal of the detection sub-circuit; the comparison sub-circuit includes a second photosensitive element, the at least one blocking element in the blocking layer covers at least the second photosensitive element, the comparison sub-circuit is configured to output a comparison signal according to an input signal of the comparison sub-circuit; wherein the first photosensitive element and the second photosensitive element have a same structure, so that they have a same response to light irradiation and a same response to environment.

公开(公告)号：US20190146283A1

公开(公告)日：2019-05-16

申请号：US16135431

申请日：2018-09-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunke QIN ,  Xue DONG ,  Haisheng WANG ,  Yingming LIU ,  Lijun ZHAO ,  Rui XU ,  Yuzhen GUO ,  Pinchao GU ,  Ping ZHANG ,  Yanan JIA ,  Changfeng LI

IPC: G02F1/1343 ,  G02F1/1339 ,  G02F1/1335 ,  G02F1/1337 ,  H04N13/207 ,  H04N13/106 ,  H01L27/12 ,  G02F1/13357

Abstract: Embodiments of the present disclosure provide an array substrate and a display device. The array substrate includes a three-dimensional imaging device configured to acquire three-dimensional imaging information of a target object; and a processing circuit connected to the three-dimensional imaging device and configured to receive three-dimensional imaging information from the three-dimensional imaging device and generate a three-dimensional image of the target object based on the three-dimensional imaging information.

公开(公告)号：US20190067556A1

公开(公告)日：2019-02-28

申请号：US15918792

申请日：2018-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lijun ZHAO ,  Haisheng WANG ,  Yingming LIU ,  Yuzhen GUO ,  Yanan JIA ,  Changfeng LI ,  Pinchao GU ,  Yunke QIN

IPC: H01L41/113 ,  H01L41/04 ,  H04R17/02 ,  G01L1/16

Abstract: The present disclosure relates to piezoelectric detection circuits, methods and display devices. A piezoelectric detection circuit is provided that may comprise: a piezoelectric device to convert a pressure into a direct current (DC) signal and to convert a sound wave into an alternating current (AC) signal; a comparison circuit configured to output the direct current signal to a signal processor in a case where the piezoelectric device outputs DC signal, and to output the alternating current signal to the mixer in a case where the piezoelectric device outputs AC signal; the mixer configured to perform a mixing process on the AC signal to generate a mixed signal; and the signal processor configured to process the mixed signal output from the mixer or the direct current signal output from the comparison circuit, to detect the pressure or the sound.

公开(公告)号：US20190026522A1

公开(公告)日：2019-01-24

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 ,  G06F3/041 ,  G02F1/1335

CPC classification number: G06K9/0004 ,  G02F1/13 ,  G02F1/133514 ,  G02F1/133526 ,  G02F1/29 ,  G02F2001/294 ,  G06F3/03547 ,  G06F3/0412

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.

公开(公告)号：US20180374911A1

公开(公告)日：2018-12-27

申请号：US15781579

申请日：2017-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunwei WU ,  Yanan JIA ,  Yingming LIU ,  Xiaoliang DING ,  Haisheng WANG ,  Xue DONG

IPC: H01L27/32 ,  H01L27/12 ,  H01L27/142

Abstract: There is provided a photo sensor including a photoelectric conversion device configured to receive an optical signal and convert the optical signal into an electrical signal, and an optical processing layer located on a light incident side of the photoelectric conversion device and configured to process the optical signal to reduce the luminous flux reaching the photoelectric conversion device. The present disclosure also provides a display panel and a display device including the above-described photo sensor. The photo sensor provided in the present disclosure can be applied under high light intensity, which can increase a range of light intensity that the display device and the display panel can accurately detect.

公开(公告)号：US20180365468A1

公开(公告)日：2018-12-20

申请号：US15736820

申请日：2017-04-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng WANG ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chunwei WU ,  Xiaoliang DING ,  Yingming LIU ,  Yanling HAN ,  Wei LIU ,  Rui XU ,  Changfeng LI ,  Lijun ZHAO ,  Yanan JIA ,  Yuzhen GUO

IPC: G06K9/00 ,  G02F1/1335 ,  G02F1/133 ,  G09G3/36

Abstract: The present disclosure provides a fingerprint recognition component, a display device and a fingerprint recognition method. The fingerprint recognition component according to the present disclosure comprises: a light emitting unit configured to emit light to a finger; a light sensing unit configured to receive light emitted by the light emitting unit and reflected by the finger, and generate a sensing signal based on an intensity of received light; a modulation signal generation unit configured to generate a modulation signal having a modulation frequency, and control the light emitting unit to emit light flickeringly at the modulation frequency by using the modulation signal; and a demodulation unit connected to the light sensing unit and configured to demodulate the sensing signal in accordance with the modulation frequency.

公开(公告)号：US20180356923A1

公开(公告)日：2018-12-13

申请号：US15575883

申请日：2017-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui XU ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Yingming LIU ,  Changfeng LI ,  Yuzhen GUO ,  Pinchao GU ,  Yunke QIN ,  Yanan JIA ,  Lijun ZHAO

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G02B5/30 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G02B5/3058 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105 ,  H01L27/323 ,  H01L51/5281 ,  H01L51/5284

Abstract: The present disclosure relates to display technology and discloses a present disclosure and a display device. The linear polarizer includes a base plate and a plurality of shading stripes equally spaced in parallel on the base plate, with a transparent stripe formed between every two shading stripes adjacent to each other, wherein the shading stripes are made of a conductive material; at least a portion of the shading stripes are also configured to detect touch position.

公开(公告)号：US20180307887A1

公开(公告)日：2018-10-25

申请号：US15560050

申请日：2017-04-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanling HAN ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chun Wei WU ,  Xiaoliang DING ,  Yingming LIU ,  Pengpeng WANG ,  Wei LIU ,  Xueyou CAO ,  Yanan JIA ,  Lijun ZHAO ,  Changfeng LI ,  Rui XU ,  Yuzhen GUO

IPC: G06K9/00 ,  H01L51/50 ,  H01L21/70 ,  H01L27/12

Abstract: A fingerprint identification substrate and a fabrication method thereof, a display panel and a display apparatus are provided. The fingerprint identification substrate includes a base substrate and a plurality of fingerprint identification units on the base substrate. Each fingerprint identification unit includes a photosensitive sense electrode and a thin film transistor which are positioned on the base substrate, the photosensitive sense electrode is positioned between the base substrate and the thin film transistor, and the photosensitive sense electrode is electrically connected with a source electrode or a drain electrode of the thin film transistor.

公开(公告)号：US20180239454A1

公开(公告)日：2018-08-23

申请号：US15752073

申请日：2017-07-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunwei WU ,  Xue DONG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Pengpeng WANG ,  Yanling HAN ,  Wei LIU ,  Rui XU ,  Lijun ZHAO ,  Yuzhen GUO ,  Changfeng LI ,  Yanan JIA ,  Jing LV

IPC: G06F3/042 ,  G06F3/041 ,  G06F3/047

Abstract: The present application provides a sensor comprising a grating and a sensor array sequentially disposed in a thickness direction of the sensor, wherein the sensor array comprises a plurality of photosensitive sensor units, and light passing through a light transmission gap of the grating reaches the plurality of photosensitive sensor units. The present application further provides a display device comprising the sensor. The sensor may detect three-dimensional coordinates of an object so that the display device can realize three-dimensional touch control.