公开(公告)号：US11823482B2

公开(公告)日：2023-11-21

申请号：US17040926

申请日：2020-04-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Lei Wang ,  Pengpeng Wang ,  Changfeng Li ,  Peixiao Li ,  Chenyang Zhang

IPC: G06V40/13 ,  G06F3/043

CPC classification number: G06V40/1306 ,  G06F3/0436

Abstract: The present disclosure provides an ultrasonic sensor, a display panel and a display apparatus. The ultrasonic sensor includes: a bearing substrate; an ultrasonic emission structure on the bearing substrate, wherein the ultrasonic emission structure includes a first piezoelectric film layer; and an ultrasonic receiving structure on the bearing substrate, wherein the ultrasonic receiving structure includes a second piezoelectric film layer. The piezoelectric constant of the first piezoelectric film layer is greater than the piezoelectric constant of the second piezoelectric film layer.

公开(公告)号：US11735101B2

公开(公告)日：2023-08-22

申请号：US17290146

申请日：2020-09-10

Applicant: BOE MLED Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Wenchieh Huang ,  Lingyun Shi ,  Ming Chen ,  Xue Dong

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0408 ,  G09G2310/0286 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2330/026

Abstract: An electronic substrate and a driving method thereof, and a display device. The electronic substrate includes a pixel drive chip which includes at least one signal terminal, a signal generation circuit, a data storage circuit, and an output circuit; at least one signal terminal is configured to be electrically connected to the light-emitting element; the signal generation circuit is connected to at least one signal terminal and configured to receive an input signal through the at least one signal terminal and generate a clock signal according to the input signal; the data storage circuit is configured to receive the clock signal and store the input signal according to the clock signal; and the output circuit is configured to output a current, which is generated according to the stored input signal and used for driving the light-emitting element, though at least one signal terminal.

公开(公告)号：US20230260982A1

公开(公告)日：2023-08-17

申请号：US18137857

申请日：2023-04-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiwei Liang ,  Wenqian Luo ,  Yingwei Liu ,  Ke Wang ,  Qi Yao ,  Huijuan Wang ,  Haixu Li ,  Zhanfeng Cao ,  Guangcai Yuan ,  Xue Dong ,  Guoqiang Wang ,  Zhijun Lv

IPC: H01L25/16 ,  H01L23/00 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L24/13 ,  H01L27/124 ,  H01L2224/13016 ,  H01L2224/13083 ,  H01L2224/13124 ,  H01L2224/13147 ,  H01L2224/1319

Abstract: Provided is a display backplate including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.

公开(公告)号：US11688347B2

公开(公告)日：2023-06-27

申请号：US17620398

申请日：2020-11-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Haoliang Zheng ,  Hao Chen ,  Minghua Xuan ,  Dongni Liu ,  Seungwoo Han ,  Liang Chen ,  Jiao Zhao ,  Xue Dong

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

公开(公告)号：US11675238B2

公开(公告)日：2023-06-13

申请号：US17274546

申请日：2020-07-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qian Wang ,  Xue Dong ,  Qingxun Zhang ,  Xiaochuan Chen ,  Wenqing Zhao ,  Zhongxiao Li

IPC: G02F1/1335 ,  G02F1/1362 ,  G09G3/36 ,  G02F1/1339 ,  G02F1/1333

CPC classification number: G02F1/136209 ,  G02F1/13398 ,  G02F1/133368 ,  G02F1/133553 ,  G02F1/133616 ,  G09G3/3607 ,  G02F1/133614

Abstract: A display panel includes: a first substrate and a second substrate; and a liquid crystal layer. The first substrate includes a first base, and a light extraction portion and a light conversion portion that are disposed on a first side and located in each sub-pixel region. The first base has the first side facing the second substrate. A refractive index of the light extraction portion is greater than or equal to a refractive index of the first base, and a refractive index of a portion of the light conversion portion in direct contact with the first base is less than the refractive index of the first base. The second substrate includes a second base, and at least one light reflecting structure and at least one light absorbing structure that are disposed at a side of the second base facing the first substrate and located in the sub-pixel region.

公开(公告)号：US11637149B2

公开(公告)日：2023-04-25

申请号：US16639282

申请日：2019-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoliang Ding ,  Xue Dong ,  Haisheng Wang ,  Yingming Liu ,  Pengpeng Wang ,  Yangbing Li ,  Jiabin Wang ,  Ping Zhang ,  Likai Deng

IPC: G01C3/08 ,  H01L27/32 ,  H01L51/52 ,  G01S17/26

Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.

公开(公告)号：US11600234B2

公开(公告)日：2023-03-07

申请号：US16814119

申请日：2020-03-10

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weilin Lai ,  Yucheng Chan ,  Jianbang Huang ,  Dachao Li ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Yanming Wang ,  Chen Xu ,  Dacheng Zhang ,  Yongfa Dong ,  Qing Wang ,  Hui Tong ,  Yunlong Li

IPC: H01L27/32 ,  G09G3/3291 ,  G09G3/3258 ,  G09G3/3266

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.

公开(公告)号：US11537237B2

公开(公告)日：2022-12-27

申请号：US17315643

申请日：2021-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Pengcheng Lu ,  Lei Wang ,  Zhi Wang ,  Weifeng Han ,  Jing Yu

IPC: G06F3/047 ,  G06F3/041 ,  G06F3/044 ,  G09G3/3233

Abstract: The present disclosure relates to a touch panel. The touch panel includes a plurality of pixel units, and each of the plurality of pixel units includes a pixel circuit. The pixel circuit of each of the plurality of pixel units includes a driver, a writer, a power supply, a reset module, a controller and a compensator. The power supply includes a fourth switching transistor and a second capacitor. A gate of the fourth switching transistor is input with a light emitting control signal, and a source of the fourth switching transistor is input with a power supply signal. The second capacitor includes a first electrode connected to the driver; and a second electrode input with the power supply signal.

公开(公告)号：US11495718B2

公开(公告)日：2022-11-08

申请号：US17265806

申请日：2020-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanfeng Cao ,  Yingwei Liu ,  Ke Wang ,  Dongni Liu ,  Minghua Xuan ,  Guangcai Yuan ,  Lei Chen ,  Xue Dong

IPC: H01L33/62 ,  G09G3/00 ,  G09G3/32

Abstract: The present disclosure provides a driving substrate, a method for preparing the same, and a flexible display device. The driving substrate includes: a base substrate; a first driving function layer arranged on a first surface of the base substrate, the first driving function layer including a plurality of driving thin film transistors and a plurality of signal wirings, and at least one of the plurality of signal wirings being of a single-layer structure and having a thickness greater than a threshold; a pad layer arranged on a surface of the first driving function layer away from the base substrate, the pad layer including a plurality of first pads and a plurality of second pads, and each first pad being connected to a first electrode of the corresponding driving thin film transistor and each second pad being connected to a common electrode line in the plurality of signal wirings.

公开(公告)号：US11495044B2

公开(公告)日：2022-11-08

申请号：US16769210

申请日：2019-09-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoquan Hai ,  Xue Dong ,  Haisheng Wang ,  Lei Wang ,  Changfeng Li

IPC: G06V40/13 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A fingerprint sensing display apparatus having a plurality of subpixel regions spaced apart by an inter-subpixel region is provided. The fingerprint sensing display apparatus includes a counter substrate; an array substrate facing the counter substrate, wherein the array substrate includes a plurality of light emitting elements configured to emit light toward the counter substrate, at least a portion of the light being totally reflected by a surface of the counter substrate away from the array substrate; a plurality of photosensors on a side of the array substrate away from the counter substrate; and a first light shielding layer and a second light shielding layer between the plurality of photosensors and the plurality of light emitting elements, the second light shielding layer is on a side of the first light shielding layer away from the plurality of light emitting elements.