公开(公告)号：US20190095046A1

公开(公告)日：2019-03-28

申请号：US16200711

申请日：2018-11-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06F3/043 ,  B06B1/06 ,  H01L41/113 ,  H01L41/047 ,  G06F3/041

Abstract: The disclosure provides a touch display substrate and a touch display device. The touch display substrate includes: a substrate; a plurality of ultrasonic sensors disposed on the substrate; and one ultrasonic generator disposed on the substrate. The ultrasonic generator has a plurality of openings, and at least one of the plurality of ultrasonic sensors is disposed in at least one of the openings.

公开(公告)号：US20190019850A1

公开(公告)日：2019-01-17

申请号：US15754248

申请日：2017-09-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Rui XU ,  Haisheng WANG ,  Yingming LIU ,  Pengpeng WANG ,  Chih-Jen CHENG ,  Yunke QIN ,  Yuzhen GUO ,  Wei LIU

IPC: H01L27/32 ,  G02B27/30 ,  G06K9/00

Abstract: A fingerprint recognition device and an OLED display device, which relate to the technical field of display and can solve the problems of a low recognition accuracy due to a large distance from a finger to a fingerprint recognition device. The fingerprint recognition device comprises recognition units alternately defined by a plurality of scanning lines and signal reading lines which are crisscrossed with each other. Each recognition unit is provided with a switching transistor and a photosensitive element. The photosensitive element comprises a photoelectric conversion layer and a collimator filter layer which are stacked successively. The collimator filter layer is used for irradiating incident light onto the photoelectric conversion layer in parallel, and the photoelectric conversion layer is used for performing photoelectric conversion on the incident light.

公开(公告)号：US20180190721A1

公开(公告)日：2018-07-05

申请号：US15688289

申请日：2017-08-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming LIU ,  Xue DONG ,  Haisheng WANG ,  Chunwei WU ,  Xiaoliang DING ,  Rui XU ,  Lijun ZHAO ,  Changfeng LI ,  Yanan JIA ,  Yuzhen GUO ,  Yunke QIN ,  Pinchao GU

IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041

CPC classification number: H01L27/323 ,  G06F3/0414 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes: forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.

公开(公告)号：US20220188535A1

公开(公告)日：2022-06-16

申请号：US17515256

申请日：2021-10-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingdong WANG ,  Xuan FENG ,  Yunke QIN ,  Jiabin WANG ,  Yangbing LI ,  Ping ZHANG ,  Lei WANG

IPC: G06K9/00

Abstract: A fingerprint identification module is provided. The fingerprint identification module includes: a base substrate, a first conductive layer, and a third conductive layer that are laminated sequentially. The first conductive layer includes a first signal line and a second signal line, wherein the first signal line extends along a first direction and is connected to a gate of a reset transistor in a pixel sensing circuit, and the second signal line extends along the first direction and is connected to a gate of a switch transistor in the pixel sensing circuit. The third conductive layer includes a first conductive portion configured to form a first electrode of a photodiode in the pixel sensing circuit, wherein an orthographic projection of the first conductive portion on the base substrate does not overlap with orthographic projections of the first signal line and the second signal line on the base substrate.

公开(公告)号：US20210334491A1

公开(公告)日：2021-10-28

申请号：US16316493

申请日：2018-02-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00

Abstract: The present disclosure provides an ultrasonic fingerprint sensor, a display substrate, a driving method thereof and a display device. The ultrasonic fingerprint sensor includes: a base substrate; a driving structure provided on the base substrate and configured to transmit an ultrasonic signal; a receiving structure provided on the base substrate and configured to receive the ultrasonic signal reflected by a finger, and convert the ultrasonic signal into an electrical signal for determining fingerprint information, the driving structure and the receiving structure are provided in a same plane. Since the driving structure and the receiving structure of the ultrasonic fingerprint sensor of the present disclosure are in a same plane, the driving structure can be closer to the touch body (for example, a finger), which is advantageous for the ultrasonic waves generated by the driving structure to reach the finger to improve the touch accuracy.

公开(公告)号：US20210074227A1

公开(公告)日：2021-03-11

申请号：US16630854

申请日：2019-04-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ping ZHANG ,  Haisheng WANG ,  Xiaoliang DING ,  Yingming LIU ,  Xueyou CAO ,  Pengpeng WANG ,  Likai DENG ,  Pinchao GU ,  Yunke QIN

IPC: G09G3/34 ,  B01L3/00

Abstract: Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.

公开(公告)号：US20200264728A1

公开(公告)日：2020-08-20

申请号：US16062785

申请日：2017-12-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunke QIN ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Xiaoliang DING ,  Changfeng LI ,  Lijun ZHAO ,  Pengpeng WANG ,  Ping ZHANG ,  Pinchao GU

IPC: G06F3/042 ,  H01L27/146

Abstract: An optical pressure touch device, a manufacturing method thereof, and a touch display apparatus, so as to reduce the influence on the display effect while realizing the touch function. The optical pressure touch device includes a first substrate, a second substrate opposite to the first substrate, a light source, and a photodetector array and a touch scanning circuit located on a side of the first substrate facing the second substrate, the touch scanning circuit being electrically connected to a photodetector in the photodetector array. A gap exists between the touch scanning circuit and the second substrate, and the light source is used to generate a light field within the gap.

公开(公告)号：US20200074140A1

公开(公告)日：2020-03-05

申请号：US16491953

申请日：2019-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Changfeng LI ,  Xue DONG ,  Haisheng WANG ,  Xiaochuan CHEN ,  Yingming LIU ,  Xiaoliang DING ,  Lei WANG ,  Yunke QIN

IPC: G06K9/00 ,  G06F3/042 ,  H01L27/32

Abstract: The present disclosure provides a fingerprint identification panel, a fingerprint identification method and a display device. The fingerprint identification panel includes: a display panel including a substrate and a display element arranged at one side of the substrate; and a fingerprint identification module arranged at a side of the substrate away from the display element. The fingerprint identification module includes a collimation membrane and photosensitive sensors. The collimation membrane is configured to allow a collimated light beam in a reflected light beam to pass therethrough and prohibit a scattered light beam in the reflected light beam from passing therethrough. The reflected light beam is formed by a light beam emitted from the display panel and reflected by a finger. Each photosensitive sensor is configured to receive the collimated light beam and identity a fingerprint in accordance with the collimated light beam.

公开(公告)号：US20190156097A1

公开(公告)日：2019-05-23

申请号：US15743583

申请日：2017-07-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G06K9/00 ,  G06F3/041 ,  G06F3/042

Abstract: The present application provides a touch panel and a display apparatus comprising the touch panel. The touch panel comprises an array substrate and a fingerprint identification substrate, the array substrate comprises a first base and a plurality of pixel units provided on the first base, each of the pixel units comprises a thin film transistor and an organic light emitting diode, the fingerprint identification substrate comprises a second base and a plurality of fingerprint identification devices provided on the second base, the fingerprint identification substrate is located at a side of the first base distal to the pixel units, the array substrate further comprises a light blocking layer and a via-hole provided between at least a portion of the pixel units adjacent to each other, the via-hole is formed in the light blocking layer so that light emitted by the organic light emitting diode is reflected by a surface of a touch terminal to irradiate onto more than one of the fingerprint identification devices, the surface of the touch terminal comprises ridges and valleys, light reflected by the ridges and the valleys of the surface of the touch terminal passes through the via-hole to irradiate onto different ones of the fingerprint identification devices respectively.

公开(公告)号：US20190056613A1

公开(公告)日：2019-02-21

申请号：US15767357

申请日：2017-09-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haisheng WANG ,  Yingming LIU ,  Xiaoliang DING ,  Rui XU ,  Lijun ZHAO ,  Yanan JIA ,  Pinchao GU ,  Yunke QIN ,  Yuzhen GUO ,  Yanling HAN ,  Chun Wei WU ,  Changfeng LI ,  Xue DONG

IPC: G02F1/1333 ,  G02F1/155 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/163 ,  G02F1/133 ,  G06K9/00 ,  G06F3/042

Abstract: Disclosed is a display device, including a display panel having a plurality of pixel units, a protection cover plate disposed on a light exit surface of the display panel, and a plurality of light sensing devices for pattern recognition disposed on one side of the pixel unit facing away from the light exit surface, and a light collimating member disposed between the protection cover plate and the plurality of light sensing devices, wherein orthogonal projections of the light sensing device and the pixel unit on the display panel do not overlap each other, and the light collimating member has a light transmitting area above the light sensing device and a light shielding area outside the light transmitting area.