公开(公告)号：US10373537B2

公开(公告)日：2019-08-06

申请号：US15122579

申请日：2015-10-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kun Cao ,  Zhongyuan Wu

IPC: G09G3/00 ,  G09G3/32 ,  H01L21/66 ,  G09G3/325 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

Abstract: A method for detecting a display panel is disclosed. The display panel comprises an array substrate for driving an electroluminescent device. The array substrate comprises pixel electrodes arranged in an array and an array of pixel switches for driving the pixel electrodes. The method comprises the steps of: S1, applying a first driving signal to a manufactured array substrate, monitoring a first voltage on the pixel electrode; S2, forming a second electrode on each of the pixel electrodes of the array substrate; S3, applying a second driving signal to the array substrate formed with the second electrode, monitoring a second current flowing through the second electrode. The pixel electrode is one of the cathode and the anode of the electroluminescent device, the second electrode is the other one of the cathode and the anode of the electroluminescent device.

公开(公告)号：US10263052B2

公开(公告)日：2019-04-16

申请号：US15788230

申请日：2017-10-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Kun Cao ,  Yicheng Lin ,  Quanhu Li

IPC: H01L27/32 ,  G02F1/133 ,  G02F1/1343 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/163 ,  G02B27/01 ,  G02F1/153 ,  G02F1/15 ,  H01L51/52 ,  H01L51/56

Abstract: A display panel, a display method thereof, and a manufacturing method thereof are provided. The display panel includes a plurality of sub-pixel units. Each of the sub-pixel units includes a first display area and a second display area; the first display area includes an active emitting display unit; and the second display area is configured to switch between a transparent state and an opaque state.

公开(公告)号：US10242625B2

公开(公告)日：2019-03-26

申请号：US15322471

申请日：2016-03-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Pan Xu ,  Zhongyuan Wu ,  Yuting Zhang ,  Yongqian Li

IPC: G09G3/3233 ,  G09G3/3258

Abstract: A pixel driving circuit, a pixel driving method and a display apparatus are provided. The pixel driving circuit includes a reset unit, a threshold compensation unit, a data writing unit, a drive transistor, a first storage capacitor and a light emitting device. According to the present disclosure, it is able to make the drive current generated by the drive transistor only related to the data voltage and the reference voltage but uncorrelated to the threshold voltage of the drive transistor when the drive transistor drives the light emitting device to display.

公开(公告)号：US10027329B2

公开(公告)日：2018-07-17

申请号：US15304751

申请日：2015-10-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongyuan Wu

IPC: H03K19/20 ,  H03K19/094 ,  H01L27/12 ,  H01L29/786 ,  G11C19/28 ,  G09G3/20

Abstract: Provided are an NOR gate circuit, a shift register, an array substrate and a display apparatus, wherein the NOR gate circuit comprises a first inverter and a second inverter, each of the first inverter and the second inverter having an input terminal (VIN), a high voltage terminal (VGH), a low voltage terminal (VGL) and an output terminal (VOUT), the output terminal (VOUT) of the first inverter being connected to the high voltage terminal (VGH) of the second inverter, and wherein at least one of the first inverter and the second inverter comprises: a first transistor (T1; T5) having a gate connected to a first node (VA), a first electrode connected to the high voltage terminal (VGH) and a second electrode connected to the output terminal (VOUT), a first capacitor (C1; C2) having a first terminal connected to the first node (VA) and a second terminal connected to the output terminal (VOUT), a pulling-up module being configured to pull up a potential at the first node (VA) by a potential at the high voltage terminal (VGH) in a case where the high voltage terminal (VGH) is at a high level, and a pulling-down module being configured to pull down a potential at the first node (VA) and a potential at the output terminal (VOUT) by a potential at the low voltage terminal (VGL) under a control of a signal received by the input terminal (VIN). The threshold loss existing in the NOR gate circuit formed by an Oxide TFT can be eliminated.

公开(公告)号：US20180175204A1

公开(公告)日：2018-06-21

申请号：US15127262

申请日：2015-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Longyan Wang ,  Yongqian Li ,  Cuili Gai ,  Quanhu Li ,  Baoxia Zhang ,  Jingwen Yin ,  Kun Cao ,  Zhongyuan Wu ,  Gang Wang

IPC: H01L29/786 ,  H01L29/417 ,  H01L29/423 ,  H01L29/66 ,  H01L27/32 ,  H01L27/12

CPC classification number: H01L29/7869 ,  H01L27/1225 ,  H01L27/127 ,  H01L27/1288 ,  H01L27/3244 ,  H01L27/3262 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/66969 ,  H01L51/0023 ,  H01L51/105

Abstract: A thin film transistor and a fabrication method thereof, an array substrate and a display device are provided. The thin film transistor comprises a gate electrode, an active layer, a source electrode and a drain electrode. The source electrode and the drain electrode include a first conductive layer provided on the active layer, and an etching rate of a material of the first conductive layer is greater than an etching rate of a material of the active layer in an etching liquid. The problem that the active layer of the thin film transistor is easily corroded in a back channel etch process is avoided, a number of patterning processes is reduced, and fabrication cost is reduced.

公开(公告)号：US10001684B2

公开(公告)日：2018-06-19

申请号：US15036918

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Jingwen Yin ,  Longyan Wang

IPC: G02F1/1362 ,  H01L27/02 ,  G09G3/20

CPC classification number: G02F1/136204 ,  G02F1/136259 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2330/04 ,  G09G2330/08 ,  H01L27/0248

Abstract: The present application discloses an array substrate having a signal line; a common electrode line; an electrostatic discharge (ESD) protector comprising a first discharging terminal coupled to the signal line, and a second discharging terminal coupled to the common electrode line; and an ESD protector repair unit comprising a first repair terminal in close proximity to the first discharging terminal but separated from each other, a second repair terminal in close proximity to the common electrode line but separated from each other.

公开(公告)号：US09911394B2

公开(公告)日：2018-03-06

申请号：US13964785

申请日：2013-08-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhongyuan Wu ,  Haijing Chen ,  Chunsheng Jiang

IPC: G09G5/10 ,  G09G3/3225

CPC classification number: G09G5/10 ,  G09G3/3225 ,  G09G2320/0233 ,  G09G2320/0271 ,  G09G2320/0276 ,  G09G2320/0285 ,  G09G2320/0295 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2320/046 ,  G09G2320/0693 ,  G09G2360/147 ,  G09G2360/16

Abstract: The present disclosure discloses a method and an apparatus for controlling image display, which achieve uniformity of image display and remove the image-retention in a compensation manner of high precision, high efficiency and low cost. The method for controlling image display comprises: reading gray scales of all sub-pixels of a current frame image displayed by a display device; determining an ideal luminance corresponding to the gray scale according to a predetermined ideal corresponding relationship between the gray scales and luminance of respective sub-pixels respectively; determining an adjusted gray scale corresponding to the ideal luminance according to the predetermined original corresponding relationship between the gray scales and the luminance of respective sub-pixels respectively; driving the display device to display the current frame image according to the adjusted gray scale.

公开(公告)号：US09892676B2

公开(公告)日：2018-02-13

申请号：US14787934

申请日：2015-04-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kun Cao ,  Zhongyuan Wu

IPC: G09G3/32 ,  G09G3/3225 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3225 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0408 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0281 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/065 ,  G09G2320/0295 ,  G09G2330/12

Abstract: A gate driving circuit (12, 13), a display circuit, a driving method thereof and a display apparatus are provided. The gate driving circuit (12, 13) comprises at least three GOA units, each of which comprises a signal input terminal (INPUT), an output terminal (OUT), a reset terminal (RESET) and an idle output terminal (COUNT). The gate driving circuit, the display circuit and the driving method and the display apparatus are capable of providing a matched gate driving signal in the process of threshold compensation outside pixels and applicable to manufacture a displayer.

公开(公告)号：US09881690B2

公开(公告)日：2018-01-30

申请号：US15135911

申请日：2016-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanhu Li ,  Zhongyuan Wu ,  Kun Cao ,  Baoxia Zhang

IPC: G11C19/00 ,  G11C19/28 ,  G09G3/3266 ,  G09G3/36

CPC classification number: G11C19/28 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2300/0408 ,  G09G2310/0286

Abstract: A shift register unit having a pulse width modulation module is provided. The pulse width modulation module includes a first input submodule, a first pull-down submodule, a second input submodule, a second pull-down submodule, a third input submodule, and a third pull-down submodule.

公开(公告)号：US20170168361A1

公开(公告)日：2017-06-15

申请号：US15036918

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Jingwen Yin ,  Longyan Wang

IPC: G02F1/1362 ,  H01L27/02

CPC classification number: G02F1/136204 ,  G02F1/136259 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2330/04 ,  G09G2330/08 ,  H01L27/0248

Abstract: The present application discloses an array substrate having a signal line; a common electrode line; an electrostatic discharge (ESD) protector comprising a first discharging terminal coupled to the signal line, and a second discharging terminal coupled to the common electrode line; and an ESD protector repair unit comprising a first repair terminal in close proximity to the first discharging terminal but separated from each other, a second repair terminal in close proximity to the common electrode line but separated from each other.