公开(公告)号：US10948535B2

公开(公告)日：2021-03-16

申请号：US16391833

申请日：2019-04-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Liang Chen ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G01R31/3187 ,  G01R31/28 ,  G09G3/20 ,  G09G3/3225 ,  H01L27/32

Abstract: The present disclosure provides a display device and a detection method for the display device. The display device includes a display area and a non-display area. The display device comprises: a pixel array at the display area, a plurality of switching transistors at the non-display area, and at least one detection line at the non-display area. The pixel array includes a plurality of sub-pixels. The plurality of switching transistors are electrically connected to a plurality of columns of sub-pixels of the pixel array in one-to-one correspondence. Each of the at least one detection line is electrically connected to a part of the plurality of switching transistors.

公开(公告)号：US10930221B2

公开(公告)日：2021-02-23

申请号：US16424870

申请日：2019-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Chen ,  Lei Wang ,  Xiaochuan Chen ,  Minghua Xuan ,  Li Xiao ,  Dongni Liu ,  Shengji Yang ,  Pengcheng Lu ,  Ning Cong ,  Detao Zhao

IPC: G09G3/3291 ,  H01L51/52

Abstract: The present disclosure provides a light emitting unit, a driving method thereof, and a display device, belongs to the field of organic light emitting transistor (OLET) display technology, and can at least partially solve the problem of high power consumption of an existing OLET display technique. The light emitting unit includes an OLET and a driving circuit. The driving circuit is coupled to a control electrode and a first electrode of the OLET, and is configured to provide a data voltage to the control electrode of the OLET and provide a compensation voltage correlated with the data voltage to the first electrode of the OLET. A second electrode of the OLET is coupled to a first constant voltage terminal.

公开(公告)号：US11347360B2

公开(公告)日：2022-05-31

申请号：US16606385

申请日：2019-03-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Ming Yang ,  Han Yue ,  Dongni Liu ,  Li Xiao ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/3241

Abstract: A touch display substrate, including touch electrodes, touch lines and sub-pixels, each sub-pixel includes a storage capacitor, a driving transistor, a switching element and a light emitting element, a first electrode and a second electrode of the storage capacitor are coupled to a gate electrode and a first electrode of the driving transistor, respectively, and a second electrode of the driving transistor, the switching element and the light emitting element are sequentially coupled in series, each touch electrode is coupled to one corresponding touch line through a via hole in an insulating layer between said each touch electrode and the corresponding touch line, and each touch electrode is formed by the second electrode of the storage capacitor in at least one sub-pixel, during a touch stage, the switching element decouples electrical coupling between the second electrode of the driving transistor and the light emitting element.

公开(公告)号：US11335241B2

公开(公告)日：2022-05-17

申请号：US16612887

申请日：2019-04-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han Yue ,  Minghua Xuan ,  Ning Cong ,  Can Zhang ,  Can Wang ,  Detao Zhao ,  Xiaochuan Chen

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3233

Abstract: What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure. What is described above are optional embodiments of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and refinements may be made without departing from the principle of the present disclosure. These modifications and refinements should also be considered to be within the scope of the present disclosure.

公开(公告)号：US11226520B2

公开(公告)日：2022-01-18

申请号：US16614343

申请日：2019-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Li Xiao ,  Lei Wang ,  Dongni Liu ,  Liang Chen ,  Jifeng Tan ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/139

Abstract: A display substrate includes: a plurality of sub-pixel regions at a first base substrate, each of the plurality of sub-pixel regions including a light-blocking region and aperture regions located at opposing sides of the light-blocking region; and a first transparent electrode and a second transparent electrode within each of the plurality of sub-pixel regions, configured to drive a liquid crystal layer; wherein the first transparent electrode includes a first electrode unit located inside the light-blocking region and including a plurality of first sub-electrodes, wherein each of the plurality of first sub-electrodes are separated from two adjacent first sub-electrodes by a separation distance; and wherein the separation distance between two adjacent first sub-electrodes nearest to a center line of the light-blocking region is smaller than the separation distance between two adjacent first sub-electrodes nearest to an edge of the light-blocking region.

公开(公告)号：US11211007B2

公开(公告)日：2021-12-28

申请号：US16612321

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Chen ,  Lei Wang ,  Li Xiao ,  Dongni Liu ,  Minghua Xuan ,  Xiaochuan Chen ,  Shengji Yang ,  Detao Zhao

IPC: G09G3/3258

Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.

公开(公告)号：US11100846B2

公开(公告)日：2021-08-24

申请号：US16638427

申请日：2018-11-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Li Xiao ,  Lei Wang ,  Xiaochuan Chen ,  Detao Zhao ,  Dongni Liu ,  Liang Chen

IPC: G09G3/32

Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column. The display-driving circuit further includes multiple first emission-control transistors coupled in parallel between a high-voltage supply and a source electrode of the driving transistor and multiple second emission-control transistors respectively coupled between a drain electrode of the driving transistor and respective anodes of the multiple light-emitting diodes, and respectively turned on in different ones of multiple portions of one cycle time for displaying one frame of image.

公开(公告)号：US20200243004A1

公开(公告)日：2020-07-30

申请号：US16606128

申请日：2019-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Lei Wang ,  Ming Yang ,  Can Wang ,  Ning Cong ,  Han Yue ,  Can Zhang ,  Minghua Xuan ,  Xiaochuan Chen

IPC: G09G3/3225

Abstract: A flexible display screen, a bending detection method and device, a driving method are disclosed. The flexible display screen includes an array substrate, a light emitting device on a side of the array substrate, and an elastic conductor layer on a side of the array substrate distal to the light emitting device. The array substrate includes at least one target region, and a plurality of storage capacitors in each target region. The array substrate further includes a target electrode-plate including first electrode-plates of storage capacitors in the same target region. The target electrode-plate is electrically connected to a detecting signal terminal, and the detecting electrode-plate includes at least the target electrode-plate. The array substrate is configured to form a bending detection capacitor collectively by the detecting electrode-plate and the elastic conductor layer in response to the target electrode-plate receives detecting signal.

公开(公告)号：US09947693B2

公开(公告)日：2018-04-17

申请号：US15274327

申请日：2016-09-23

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

Inventor： Pengju Zhang ,  Xin Li ,  Hong Zhu ,  Detao Zhao ,  Xuchen Yuan

IPC: H01L27/14 ,  H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1262 ,  H01L29/78696

Abstract: The present disclosure provides an array substrate, a method for manufacturing the same, and a display device relating to the technical field of the array substrate. The array substrate includes a base, a plurality of leads and a plurality of inclined supporting surfaces, wherein the inclined supporting surfaces are strip-like and are inclined relative to the base, and a length direction of each of the inclined supporting surfaces is parallel to the base; and at least a part of the leads are inclined leads, and at least a part of each of the inclined leads is arranged on the corresponding inclined supporting surface and extends in the length direction of the inclined supporting surface.

公开(公告)号：US11348525B2

公开(公告)日：2022-05-31

申请号：US16479694

申请日：2019-01-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Chen ,  Lei Wang ,  Li Xiao ,  Dongni Liu ,  Xiaochuan Chen ,  Minghua Xuan ,  Ning Cong ,  Detao Zhao

IPC: G09G3/3266 ,  G09G3/3275 ,  G09G3/3258

Abstract: A pixel circuit, a display panel, and a display device comprising the pixel circuit. The pixel circuit comprises a light emitting element and a driving circuit. The driving circuit comprises a light emission driving circuit for driving the light emitting element to emit light, and a light sensing driving circuit for controlling the light emitting element to convert external light incident on the light emitting element into an electrical signal. The pixel circuit integrates the light emission driving circuit with the light sensing driving circuit and can achieve the light sensing function for the screen of the display device, which makes it possible to not reserve an area dedicated to a camera on the surface of the display device.