公开(公告)号：US10923065B2

公开(公告)日：2021-02-16

申请号：US16555063

申请日：2019-08-29

Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingming Wang ,  Wei Sun ,  Ming Chen ,  Xue Dong ,  Wenchao Han ,  Rui Liu

IPC: G09G3/36

Abstract: A data signal delay circuit and delay method and a display device are disclosed. The data signal delay circuit includes a feedback signal generation sub-circuit, a compensation signal generation sub-circuit, and a control sub-circuit. The feedback signal generation sub-circuit is configured to generate a feedback signal based on a first level signal from the first level signal terminal and a second level signal from the second level signal terminal under the control of a gate drive signal from a scan signal line currently being scanned. The compensation signal generation sub-circuit is configured to generate a compensation signal based on the feedback signal and a data enable signal from the data enable signal line. The control sub-circuit is configured to delay a data enable signal of the data enable signal line in a next cycle based on the compensation signal.

公开(公告)号：US10921915B2

公开(公告)日：2021-02-16

申请号：US15519883

申请日：2016-08-12

Applicant: BOE Technology Group Co., Ltd. ,  Beijing BOE Optoelectronics Technology Co., Ltd.

Inventor： Haisheng Wang ,  Xue Dong ,  Hailin Xue ,  Xiaochuan Chen ,  Xiaoliang Ding ,  Yingming Liu ,  Shengji Yang ,  Weijie Zhao ,  Changfeng Li ,  Wei Liu ,  Pengpeng Wang

IPC: G06F3/041 ,  G06F3/044

Abstract: A touch panel, a display device and a driving method thereof are provided. The touch panel includes: an array substrate, an opposing substrate and touch pressure-sensitive electrodes. The opposing substrate is arranged opposite to the array substrate; and the touch pressure-sensitive electrodes are disposed on a bottom layer on a side of the array substrate facing the opposing substrate and configured to form a capacitor structure together with a metal layer disposed on a side of the array substrate away from the opposing substrate, so as to sense pressure touch.

公开(公告)号：US10909924B2

公开(公告)日：2021-02-02

申请号：US15761336

申请日：2017-09-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Can Zhang ,  Wei Sun ,  Lingyun Shi

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3283

Abstract: This application provides a pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes: an input unit, a driving unit and a voltage compensation unit, wherein the input unit is connected to a data line and a first scan line, and configured to input a hopping data signal inputted at the data line to the voltage compensation unit under control of the first scan line; the voltage compensation unit is connected to a first node, a second scan line and a third scan line, and configured to generate a compensation voltage at the first node under control of the second scan line and the third scan line; the driving unit is connected to the voltage compensating unit, and configured to generate a current for driving a light emitting device to emit light using the compensation voltage generated by the voltage compensating unit at the first node. In the pixel circuit and the driving method thereof and the display panel according to the present disclosure, threshold voltage compensation performed on the driving transistor of the pixel circuit and smart displaying are combined, and resolution of the display panel can be adjusted in real time with respect to that the user has different attentions on the picture displayed by the display panel.

公开(公告)号：US10884528B2

公开(公告)日：2021-01-05

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：US10804341B2

公开(公告)日：2020-10-13

申请号：US16401749

申请日：2019-05-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingming Liu ,  Xue Dong ,  Haisheng Wang ,  Xiaochuan Chen ,  Xiaoliang Ding ,  Lei Wang ,  Changfeng Li

IPC: H01L27/32 ,  H01L29/66 ,  G06K9/00 ,  H01L27/146 ,  H01L31/105

Abstract: An array substrate, a display panel and an operating method thereof are disclosed. The array substrate includes a base substrate; an imaging array disposed on the substrate, wherein the imaging array includes a photoelectric detection circuit and a temperature detection circuit, the photoelectric detection circuit includes a photosensitive sensor configured to detect light for imaging, and the temperature detection circuit includes a temperature sensitive sensor configured to detect temperature.

公开(公告)号：US10802596B2

公开(公告)日：2020-10-13

申请号：US15996953

申请日：2018-06-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Xue Dong ,  Haisheng Wang ,  Xiaoliang Ding ,  Chih Jen Cheng ,  Pengpeng Wang ,  Wei Liu ,  Yanling Han ,  Ping Zhang

IPC: G06F3/01 ,  G06F3/0488 ,  G06F3/041 ,  G06F1/16 ,  H04N5/232 ,  G06K9/00 ,  G06F3/042 ,  G06K9/62 ,  H04N5/33 ,  G06K9/20 ,  G09G3/20 ,  G06F3/03

Abstract: A display device, a self-luminous display panel and a gesture recognition method are provided. The display device includes a self-luminous display panel, an infrared light source, at least one camera device, and an image processing device. The image processing device is coupled to the at least one camera device and configured to perform gesture recognition based on a plurality of successive infrared images and a plurality of successive visible light images of an operation body taken within a same period of time.

公开(公告)号：US10797118B2

公开(公告)日：2020-10-06

申请号：US16301894

申请日：2018-05-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Minghua Xuan ,  Lei Wang ,  Pengcheng Lu ,  Li Xiao ,  Dongni Liu ,  Jing Yu

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

Abstract: A touch panel, a method for fabricating the same, and a display device are provided. The touch panel includes: a base substrate, a plurality of touch electrode lines, a plurality of cathodes arranged in a matrix, and a plurality of spacers, where each cathode corresponds to at least one of the touch electrode lines, and each spacer includes a first photo spacer and a second photo spacer stacked successively; each touch electrode line includes a first lead part and a second lead part, wherein the first lead part is electrically connected with corresponding one of the cathodes, and the second lead part is configured to electrically connect the first lead part with a corresponding pin on a touch integrated circuit; and the first lead part at least covers the surface of the first photo spacer.

公开(公告)号：US20200312250A1

公开(公告)日：2020-10-01

申请号：US16768124

申请日：2019-05-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Fang Yu ,  Wei Liu

IPC: G09G3/3291 ,  G09G3/3233

Abstract: A method and a device for driving a pixel circuit, and a storage medium are provided. When a current data voltage of a pixel circuit is within a first voltage range and a target data voltage of the pixel circuit is within a second voltage range, the driving method comprises: refreshing a data voltage stored in the pixel circuit with a boundary value between the first voltage range and the second voltage range using a gate signal reference voltage corresponding to the first voltage range; and refreshing the data voltage stored in the pixel circuit with the target data voltage using a gate signal reference voltage corresponding to the second voltage range.

公开(公告)号：US10789443B2

公开(公告)日：2020-09-29

申请号：US16042492

申请日：2018-07-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueyou Cao ,  Haisheng Wang ,  Xiaoliang Ding ,  Chih Jen Cheng ,  Yanling Han ,  Pengpeng Wang ,  Wei Liu ,  Ping Zhang ,  Xue Dong ,  Jing Lv

IPC: G06K9/00

Abstract: A recognition device, a fingerprint recognition device and a fingerprint recognition apparatus are provided, and the fingerprint recognition device includes: a detection substrate provided with fingerprint detector units; a light barrier which is provided at a side, provided with the fingerprint detector units, of the detection substrate, and provided with light through holes corresponding to the fingerprint detector units; a cover plate which is provided at a side, facing away from the detection substrate, of the light barrier, and includes a light exit surface facing the light barrier and a touch surface facing away from the light barrier; and a light source for emitting light to the cover plate. Each fingerprint detector unit is configured to output an electrical signal according to an intensity of light incident on the fingerprint detector unit, after the light passes through the light through hole corresponding to the fingerprint detector unit.

公开(公告)号：US20200285109A1

公开(公告)日：2020-09-10

申请号：US16882932

申请日：2020-05-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongxiao Li ,  Xue Dong ,  Xiaochuan Chen ,  Wenqing Zhao ,  Haiyan Wang

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/29

Abstract: A display device and a display method using the same are disclosed. The display device includes: a display panel including a first substrate, a second substrate and a liquid crystal prism arranged between the first substrate and the second substrate; and a backlight source configured to emit a light which is incident onto the second substrate at an oblique angle; wherein the liquid crystal prism is configured to adjust a deflection angle of the light emitted from the backlight source traveling between the first substrate and the second substrate such that the light emitted from the backlight source is totally-reflected at a light exit face of the display device or exits from the light exit face of the display device.