公开(公告)号：US20180314872A1

公开(公告)日：2018-11-01

申请号：US15768218

申请日：2017-09-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Wei LIU ,  Pengpeng WANG ,  Yanling HAN ,  Xueyou CAO

IPC: G06K9/00

CPC classification number: G06K9/0004 ,  G06K9/00523 ,  H01L27/1222 ,  H01L27/14678 ,  H01L29/78672

Abstract: The present disclosure provides a fingerprint photocurrent detection unit, a fingerprint identifier, a driving method and a display device. The fingerprint photocurrent detection unit includes: a conversion circuit coupled to a fingerprint photocurrent reading line and configured to convert a fingerprint photocurrent acquired by the fingerprint photocurrent reading line into a square wave signal; and a detection circuit coupled to the conversion circuit and configured to detect the square wave signal and acquire information about a fingerprint photocurrent in accordance with a frequency of the square wave signal.

公开(公告)号：US20180307088A1

公开(公告)日：2018-10-25

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 ,  G06F3/042

CPC classification number: G02F1/133345 ,  G02F1/1333 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/042 ,  G06F3/044 ,  G06K9/00 ,  G06K9/00013 ,  G06K9/0008

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：US20180217430A1

公开(公告)日：2018-08-02

申请号：US15936830

申请日：2018-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang DING ,  Xue DONG ,  Jing LV ,  Haisheng WANG ,  Chunwei WU ,  Yingming LIU ,  Wei LIU ,  Rui XU ,  Pengpeng WANG ,  Yanling HAN ,  Xueyou CAO ,  Ping ZHANG

IPC: G02F1/1333 ,  G02F1/1362 ,  H01L27/144 ,  H01L31/167 ,  H01L27/12 ,  G02F1/1368 ,  G06K9/00 ,  G06F3/042

CPC classification number: G02F1/13338 ,  G02F1/133514 ,  G02F1/1336 ,  G02F1/136209 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/13312 ,  G02F2001/136222 ,  G02F2001/136295 ,  G02F2201/58 ,  G02F2202/105 ,  G02F2203/11 ,  G06F3/0412 ,  G06F3/042 ,  G06F3/0421 ,  G06F2203/04103 ,  G06F2203/04109 ,  G06K9/0004 ,  G06K9/2018 ,  H01L27/1214 ,  H01L27/124 ,  H01L27/1262 ,  H01L27/1443 ,  H01L27/1446 ,  H01L29/78633 ,  H01L31/105 ,  H01L31/167

Abstract: The present disclosure provides an array substrate and a method for fabricating the same, and a display apparatus. The array substrate includes: a base substrate, and a shielding pattern and a plurality of detection units on the base substrate. At least one of the plurality of detection units includes a switch transistor and a photosensitive device coupled to the switch transistor. The shielding pattern covers the switch transistor on a side of the switch transistor distal to the base substrate. The photosensitive device is located on a side of the shielding pattern proximal to the base substrate. The shielding pattern is configured to shield irradiation light and allow detection light to be transmitted to the photosensitive device.

公开(公告)号：US20150355257A1

公开(公告)日：2015-12-10

申请号：US14416530

申请日：2014-07-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunwei WU ,  Woobong LEE

IPC: G01R31/02 ,  G06F3/044 ,  G09G3/00

CPC classification number: G01R31/025 ,  G01R27/26 ,  G01R31/2812 ,  G01R31/2829 ,  G06F3/0418 ,  G06F3/044 ,  G09G3/006

Abstract: The present disclosure provides a circuit testing method and a circuit testing system for testing the circuit of a transmissive capacitive touch panel, wherein, the method comprises: when testing a certain induction line in a first electrode matrix or a second electrode matrix, configuring all induction lines in the first electrode matrix and the second electrode matrix except for the induction line to be tested as ground wires, applying a first voltage to the induction line to be tested, and detecting current on the induction line to be tested, and determining that the induction line to be tested is in a short-circuit state when the current is generated on the induction line to be tested; repeating the above step, and testing other induction lines in turn.

Abstract translation: 本公开内容提供了一种用于测试透射电容式触摸屏的电路的电路测试方法和电路测试系统，其中，该方法包括：当在第一电极矩阵或第二电极矩阵中测试某一感应线时，配置所有感应 第一电极矩阵和第二电极矩阵之间的线，除了待测试的感应线作为接地线，对待测试的感应线施加第一电压，以及检测待测试的感应线上的电流，并且确定 当要在被测试的感应线上产生电流时，要测试的感应线处于短路状态; 重复上述步骤，并依次测试其他感应线。

公开(公告)号：US20200273920A1

公开(公告)日：2020-08-27

申请号：US16868161

申请日：2020-05-06

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 ,  G06F3/041 ,  G06F3/044

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：US20200272265A1

公开(公告)日：2020-08-27

申请号：US15776511

申请日：2017-10-26

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

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/042 ,  H01L27/32 ,  H01L51/52

Abstract: A touch display substrate and a touch detection method thereof. The touch display substrate includes: a base substrate, and a photo-sensitive touch element and an Organic Light-Emitting Diode (“OLED”) device that are arranged on the base substrate sequentially. The photo-sensitive touch element includes a touch electrode layer, a photo-sensitive material layer, an insulating layer and an ITO layer that are arranged sequentially, wherein an orthographic projection of a touch sensing area of the touch electrode layer completely covers an orthographic projection of a pattern of the photo-sensitive material layer, and is within an orthographic projection of the ITO layer. The arrangement of the photo-sensitive touch element neither changes the sequence of manufacturing the layers of the display substrate, nor affects the illumination of the touch display substrate and is suitable for manufacturing a large-size touch screen.

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：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.

公开(公告)号：US20160335937A1

公开(公告)日：2016-11-17

申请号：US14785709

申请日：2015-04-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chungchun LEE ,  Liye DUAN ,  Yanzhao LI ,  Chunwei WU ,  Hanjun PARK

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G3/2074 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2300/0804 ,  G09G2300/0814 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2340/0457

Abstract: The invention provides an array substrate and a driving method thereof, a display panel and a display device. The array substrate comprises a plurality of circulating units and a plurality of pixel circuits. Each circulating unit consists of four sub-pixel units located in four columns and two rows, sub-pixel units in any two adjacent columns are located in different rows and have different colors, and sub-pixel units in at least one row have different colors. Each sub-pixel unit is connected to one pixel circuit, and each sub-pixel unit comprises a first sub-pixel and a second sub-pixel located in the same column and having the same color. The pixel circuit is configured to drive the first sub-pixel when a first frame picture is displayed, and to drive the second sub-pixel when a second frame picture is displayed.

Abstract translation: 本发明提供阵列基板及其驱动方法，显示面板和显示装置。 阵列基板包括多个循环单元和多个像素电路。 每个循环单元由位于四列和两行的四个子像素单元组成，任何两个相邻列中的子像素单元位于不同行中并具有不同的颜色，并且至少一行中的子像素单元具有不同的颜色 。 每个子像素单元连接到一个像素电路，并且每个子像素单元包括位于同一列中并且具有相同颜色的第一子像素和第二子像素。 像素电路被配置为当显示第一帧图像时驱动第一子像素，并且当显示第二帧图像时驱动第二子像素。