公开(公告)号：US20190165017A1

公开(公告)日：2019-05-30

申请号：US16205759

申请日：2018-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunke Qin ,  Xue Dong ,  Zhifu Li ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Yanan Jia ,  Lijun Zhao

IPC: H01L27/146 ,  H01L31/0352 ,  H01L31/0224 ,  H01L31/147

Abstract: A photoelectric conversion substrate, a method for manufacturing the photoelectric conversion substrate, a display panel and a display device are provided. The photoelectric conversion substrate includes a TFT and a photosensitive element on a base substrate, wherein the photosensitive element includes a light-transmissible electrode, a signal output electrode, and a photosensitive layer between the light-transmissible electrode and the signal output electrode. The light-transmissible electrode allows predetermined light rays to pass therethrough and to be incident onto the photosensitive layer, and the signal output electrode is connected to the TFT, and the photosensitive layer is an uneven layer.

公开(公告)号：US09898141B2

公开(公告)日：2018-02-20

申请号：US14804785

申请日：2015-07-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunwei Wu ,  Chungchun Lee ,  Yanfeng Wang ,  Xiaoguang Xu

IPC: G06F3/042 ,  H01L31/0216 ,  H01L31/20 ,  H01L31/028 ,  H01L31/0296 ,  H01L31/113 ,  G06F3/041 ,  H01L31/18 ,  H01L27/146

CPC classification number: G06F3/042 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04103 ,  G06F2203/04107 ,  H01L27/14678 ,  H01L31/02164 ,  H01L31/028 ,  H01L31/0296 ,  H01L31/1136 ,  H01L31/1828 ,  H01L31/202

Abstract: A touch panel, a method for fabricating the same and a touch display device are disclosed. The touch panel includes touch units, each of which includes: a capacitor having a first terminal connected to a first bias voltage; a first transistor having an amorphous silicon active layer, one of a source and a drain of the first transistor is connected to a third bias voltage and the other is connected to a second terminal of the capacitor; a second transistor having an oxide semiconductor active layer, a gate of the second transistor is connected to a scan line, one of a source and a drain of the second transistor is connected to the second terminal of the capacitor and the other is connected to a data line. The touch panel further includes a light-shielding layer; an aperture portion is disposed on a part of the light-shielding layer.

公开(公告)号：US20170133402A1

公开(公告)日：2017-05-11

申请号：US14768000

申请日：2015-01-05

Applicant: Boe Technology Group Co., Ltd.

Inventor： Ce Ning ,  Chunwei Wu ,  Yuting Zhang

IPC: H01L27/12

CPC classification number: H01L27/124 ,  G02F1/133345 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/136 ,  G02F2001/134318 ,  G02F2001/134372 ,  G02F2001/134381 ,  G02F2001/13606 ,  G02F2201/121 ,  H01L27/1248

Abstract: One embodiment of the present disclosure provides an array substrate, comprising: a gate line, a data line, and a common electrode layer electrically insulated from the gate line and the data line, wherein there is at least one overlapping area between the common electrode layer and the gate line, and/or, there is at least one overlapping area between the common electrode layer and the data line; moreover, the common electrode layer comprises a hollow structure part located in the at least one overlapping area, and the hollow structure part located in the overlapping area comprises at least one hollow area.

公开(公告)号：US11519786B2

公开(公告)日：2022-12-06

申请号：US16120642

申请日：2018-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengpeng Wang ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Xiaoliang Ding ,  Chihjen Cheng ,  Yanling Han ,  Wei Liu ,  Xueyou Cao ,  Ping Zhang ,  Lijun Zhao

IPC: G01K1/02 ,  H02H1/00 ,  H03K5/24 ,  H02H9/04 ,  G01K7/32

Abstract: The present disclosure provides a temperature detection circuit. The temperature detection circuit includes: a first comparator, the first comparator having a first negative input terminal, a first positive input terminal and a first output terminal, the first negative input terminal being connected with an output terminal of a temperature sensor, the first positive input terminal being connected with a first reference voltage terminal; a monostable trigger, an input terminal of the monostable trigger being connected with the first output terminal of the first comparator; a low pass filter, an input terminal of the low pass filter being connected with an output terminal of the monostable trigger. The present disclosure further provides a temperature sensor device and a display device.

公开(公告)号：US11373386B2

公开(公告)日：2022-06-28

申请号：US16343768

申请日：2018-08-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pinchao Gu ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Rui Xu ,  Changfeng Li ,  Lijun Zhao ,  Yanan Jia ,  Yuzhen Guo ,  Yunke Qin

IPC: G06K9/20 ,  G06K9/00 ,  H01L27/32 ,  G06V10/147 ,  G06V10/145 ,  G06V40/13 ,  G06V40/16

Abstract: A device for identifying a pattern over a first surface includes a photosensitive layer, and a light-guiding layer disposed between the photosensitive layer and the first surface. The photosensitive layer includes a plurality of photosensitive elements, each configured to convert incident light into an electrical signal. The light-guiding layer includes a plurality of light-guiding units, each positionally corresponding to one of the plurality of photosensitive elements. Each light-guiding unit includes a plurality of light-transmitting portions, each configured to guide a light beam reflected from a feature of the pattern positionally corresponding thereto to transmit therethrough and reach one of the plurality of photosensitive elements corresponding to the each of the plurality of light-guiding units. The device can be used for identification of fingerprint, as well as other biometric or non-biometric features, and has a reduced thickness and an improved accuracy for pattern identification.

公开(公告)号：US11301662B2

公开(公告)日：2022-04-12

申请号：US16332221

申请日：2018-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen Guo ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Lijun Zhao ,  Wei Liu ,  Changfeng Li ,  Rui Xu ,  Yanan Jia ,  Yunke Qin ,  Pinchao Gu ,  Xue Dong

IPC: G06K9/00 ,  G06F3/044

Abstract: The present disclosure is related to an ultrasonic fingerprint detection assembly. The ultrasonic fingerprint detection assembly may include an ultrasonic fingerprint detection circuit and a living body detection circuit. The living body detection circuit may be configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.

公开(公告)号：US11068090B2

公开(公告)日：2021-07-20

申请号：US16078606

申请日：2017-12-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haisheng Wang ,  Xue Dong ,  Yingming Liu ,  Xiaoliang Ding ,  Chunwei Wu ,  Rui Xu

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G06F3/044 ,  G09G3/3225 ,  G02B5/30

Abstract: The present application provides an electroluminescent display panel, a production method, a driving method and a display apparatus. The electroluminescent display panel includes a light-emitting unit, a quarter-wave plate on the light-emitting unit, and a wire grid polarizer on a side of the quarter-wave plate opposite to the light-emitting unit. In particular, the light-emitting unit includes a driving backplane, a light-emitting layer and an electrode layer. The electrode layer includes a plurality of sub-electrodes extending along a first direction and insulated from each other. In addition, the wire grid polarizer includes a plurality of metal wires extending along a second direction. The second direction intersects with the first direction.

公开(公告)号：US10936053B2

公开(公告)日：2021-03-02

申请号：US15776960

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Pengpeng Wang ,  Chihjen Cheng ,  Yanling Han ,  Xueyou Cao

IPC: G06F3/01 ,  G06T7/70 ,  G06F3/0481 ,  G06F3/0484 ,  G06T15/20 ,  G01S13/42 ,  G01S15/42

Abstract: The present disclosure provides an interaction system of three-dimensional space and a method for operating the same, comprising: determining visual field space according to an eye position of an operator and an angle at which the eye is watching, and determining absolute interaction space and relative interaction space according to respective joint positions of the operator and the visual field space, thereby achieving dividing of areas of the space; determining an operation that matches a current action and needs to be performed by the operator on a selected virtual object according to a relationship among the current action of the operator, the virtual object viewed by the operator and the absolute interaction space, such that when the operator makes the corresponding action, the operation matching the action of the operator is performed on the virtual object; outputting the generated corresponding three-dimensional image display signal to a three-dimensional image display device to complete somatosensory interaction of the three-dimensional space.

公开(公告)号：US10908445B2

公开(公告)日：2021-02-02

申请号：US15580899

申请日：2017-05-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xue Dong ,  Jing Lv ,  Haisheng Wang ,  Xiaoliang Ding ,  Chunwei Wu ,  Rui Xu ,  Lijun Zhao ,  Changfeng Li ,  Yanan Jia ,  Yuzhen Guo ,  Pengpeng Wang ,  Wei Liu

IPC: G02F1/1333 ,  G06F3/044 ,  G06K9/00 ,  G06F3/041 ,  G06F3/042

Abstract: The present application belongs to the field of display technology, more particularly, relates to a display component and a display device. The display component comprises a display panel having a plurality of pixel structures. A packaging film is provided above the display panel. In each of the pixel structures, a control element and a photosensitive element connected with the control element are provided above the packaging film. The photosensitive element performs fingerprint identification according to received reflection light reflected by a finger after being emitted by the display panel. The display component implements optical fingerprint identification based on the display panel. By providing the photosensitive elements and respective control elements above the packaging film, accurate fingerprint identification is implemented.

公开(公告)号：US10886310B2

公开(公告)日：2021-01-05

申请号：US16327892

申请日：2018-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuzhen Guo ,  Xue Dong ,  Haisheng Wang ,  Chunwei Wu ,  Yingming Liu ,  Rui Xu

IPC: H01L27/146 ,  G06F21/32

Abstract: The application discloses a photoelectric sensor, a fabricating method thereof, and a display device. The method for fabricating the photoelectric sensor, includes: fabricating a thin film transistor (TFT) array and a photodiode array on a silicon substrate; transferring the TFT array onto a base substrate by a micro transfer process; and placing the photodiode array on the base substrate formed with the TFT array, in a manner that an orthographic projection of the photodiode array on the base substrate overlaps with an orthographic projection of the TFT array on the base substrate.