公开(公告)号：US20210005143A1

公开(公告)日：2021-01-07

申请号：US16330639

申请日：2018-04-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Pengcheng LU ,  Lei WANG ,  Jie FU ,  Li XIAO

IPC: G09G3/3258

Abstract: A pixel circuit and a driving method therefor, and a display panel. The circuit includes: a node control circuit, a driver, a display sub-circuit, a threshold compensator, and a reset device; the node control circuit outputs a reference voltage to a first node, or outputs a data voltage to the first node. The driver outputs a drive current; the display sub-circuit is configured to display a gray scale; the threshold compensator is configured to adjust a voltage of a second node to the sum of a voltage of a first level terminal and a threshold voltage of the driver, and adjust the voltage of the second node to a difference between the sum of the voltage of the first level signal, the threshold voltage of the driver, and the reference voltage and the data voltage; and the reset device is configured to reset the second node and the display sub-circuit.

公开(公告)号：US20200350338A1

公开(公告)日：2020-11-05

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming YANG ,  Minghua XUAN ,  Can ZHANG ,  Can WANG ,  Han YUE ,  Ning CONG ,  Jiayao LIU ,  Wenqing ZHAO ,  Li XIAO ,  Dongni LIU ,  Lei WANG ,  Liang CHEN ,  Xiaochuan CHEN ,  Shengji YANG ,  Pengcheng LU

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1335 ,  G02B30/26

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US20200342811A1

公开(公告)日：2020-10-29

申请号：US16096035

申请日：2018-04-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Shengji YANG ,  Pengcheng LU ,  Jie FU ,  Lei WANG ,  Li XIAO

IPC: G09G3/3258

Abstract: The present disclosure relates to a pixel driving circuit, a display device and a driving method. The pixel driving circuit is configured to control on and off of a pixel unit, and includes: a first control sub-circuit, a first output sub-circuit, a second control sub-circuit, a second output sub-circuit, a third control sub-circuit, and a fourth control sub-circuit. Specifically, the fourth control sub-circuit is configured, if turned on, to cause a voltage drop of the first level signal input at the first level signal input terminal and to output the first level signal with the voltage drop to the third control node, such that a voltage at the third control node is less than or equal to a voltage at the first control node, thereby maintaining the third control sub-circuit off.

公开(公告)号：US20190385529A1

公开(公告)日：2019-12-19

申请号：US16090700

申请日：2018-03-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua xuan ,  Shengji YANG ,  Li XIAO ,  Dongni LIU ,  Jie FU ,  Pengcheng LU ,  Xiaochuan CHEN ,  Lei WANG

IPC: G09G3/3258

Abstract: The present disclosure relates to a driving circuit of a display panel, a display panel and a display device. The driving circuit includes at least one potential saving unit and at least one column of pixel driving units. The potential saving unit is arranged corresponding to a column of pixel units, and is configured to output a first potential signal based on a voltage of the external preset power supply and save the first potential signal to the first potential output terminal, while outputting a second potential signal and saving the second potential signal to the second potential output terminal.

公开(公告)号：US20190294283A1

公开(公告)日：2019-09-26

申请号：US16250504

申请日：2019-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei WANG ,  Shengji YANG ,  Minghua XUAN ,  Li XIAO ,  Pengcheng LU ,  Dongni LIU

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

Abstract: A display substrate includes a substrate, a plurality of electrode leads disposed on the substrate, and a plurality of electrodes electrically disconnected with each other disposed on the substrate. Each electrode is in direct contact with one or more of the plurality of electrode leads, and a thickness of each electrode lead is greater than a thickness of a corresponding electrode. At least one of the plurality of electrode leads is respectively provided with at least one gap, and each gap is configured to electrically disconnect one of the plurality of electrodes that is in direct contact with a corresponding electrode lead from another one of the plurality of electrodes that is adjacent to the corresponding electrode lead.

公开(公告)号：US20190204665A1

公开(公告)日：2019-07-04

申请号：US16043084

申请日：2018-07-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Pengcheng LU ,  Dongni LIU ,  Liang CHEN

IPC: G02F1/1335 ,  G02F1/155 ,  G02F1/1345 ,  G02F1/1343 ,  G02F1/1333

Abstract: A display assembly and an electronic apparatus are provided. The display assembly includes: a first substrate and a second substrate opposite to each other; a liquid crystal layer between them; a first part including a first light shielding portion, a second light shielding portion and an electrochromic portion; and a second part, including a third light shielding portion, a fourth light shielding portion and a transparent portion, wherein the first part is arranged on a side of the first substrate facing towards the second substrate; wherein the second part is arranged on a side of the second substrate facing towards the first substrate; and wherein a first electrode layer and a second electrode layer are arranged between the first substrate and the second substrate and configured to adjust states of liquid crystal molecules in the liquid crystal layer.

公开(公告)号：US20190057657A1

公开(公告)日：2019-02-21

申请号：US15771069

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Zheng FANG ,  Xiaochuan CHEN ,  Shengji YANG ,  Jie FU ,  Han YUE ,  Li XIAO ,  Lei WANG ,  Pengcheng LU

IPC: G09G3/3258 ,  H01L27/32 ,  H01L51/52

CPC classification number: G09G3/3258 ,  G09G3/3208 ,  G09G2320/0233 ,  G09G2320/0646 ,  G09G2320/0693 ,  G09G2360/141 ,  G09G2360/145 ,  G09G2360/147 ,  H01L27/3227 ,  H01L27/3248 ,  H01L27/3262 ,  H01L27/3269 ,  H01L27/3276 ,  H01L51/5237 ,  H01L2251/5315 ,  H01L2251/5323

Abstract: An OLED display device, including a substrate, an OLED display element disposed on a display area of the substrate, at least one light-sensitive component and a controller electrically connected to at least one light-sensitive component. The controller is configured to control the OLED display element to emit light, and to perform a luminance compensation on the OLED display element according to a luminance of the light emitted by the OLED display element detected by the at least one light-sensitive component.

公开(公告)号：US20190005878A1

公开(公告)日：2019-01-03

申请号：US15736018

申请日：2017-06-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Jie FU ,  Shengji YANG ,  Lei WANG ,  Pengcheng LU ,  Dongni LIU ,  Li XIAO ,  Xiaochuan CHEN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G3/3225 ,  G09G2330/04 ,  G09G2330/10

Abstract: A pixel circuit includes a light emitting device, a driving circuit configured to drive the light emitting device to emit light, a short circuit control circuit and a light emitting control circuit, wherein the short circuit control circuit is coupled between the light emitting control device and the light emitting device for obtaining an input terminal signal of the light emitting device and outputting a short circuit control signal according to the input terminal signal of the light emitting device, the light emitting control device is coupled to the short circuit control circuit and coupled in series between the driving circuit and the light emitting device and configured to control a connecting branch between the driving circuit and the light emitting device to be turned on and off according to a short circuit control signal.

公开(公告)号：US20190005868A1

公开(公告)日：2019-01-03

申请号：US15752938

申请日：2017-08-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Dongni LIU ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Pengcheng LU ,  Jie FU ,  Han YUE

IPC: G09G3/20 ,  G09G3/36 ,  G09G3/3225

Abstract: Embodiments of the present disclosure provide a pixel circuit, an array substrate, a display device and a controlling method thereof. The pixel circuit includes: a pixel display unit consisted of n sub-pixel display units, n≥3; and a data signal control unit coupled to the pixel display unit, n data lines for driving the pixel display unit and a control line. The data signal control unit is configured to, under a condition that a first control signal is input through the control line, couple the n sub-pixel display units to the n data lines for driving the n sub-pixel display units respectively; and when a second control signal is input through the control line couple one of the n data lines for driving the pixel display unit to at least one of the n sub-pixel display units in the pixel display unit.

公开(公告)号：US20180359435A1

公开(公告)日：2018-12-13

申请号：US15780747

申请日：2017-11-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Lei WANG ,  Dongni LIU ,  Pengcheng LU ,  Jie FU ,  Li XIAO ,  Han YUE

IPC: H04N5/357 ,  H04N5/374

CPC classification number: H04N5/357 ,  H01L27/14601 ,  H01L27/14643 ,  H04N5/374 ,  H04N5/3745

Abstract: A driving circuit and a driving method, an active pixel sensor, an image sensor, and an electronic device. The driving circuit includes: a reset circuit, a photoelectric sensing circuit, a signal forming circuit, a signal conversion circuit, and a signal output circuit. The reset circuit resets the photoelectric sensing circuit and the signal forming circuit; the photoelectric sensing circuit performs photoelectric conversion on incident light irradiation to form a photoelectric voltage signal; the signal forming circuit transmits the photoelectric voltage signal to the signal conversion circuit, and transmits a compensated photoelectric voltage signal to the signal conversion circuit; the signal output circuit transmits a second voltage to the signal conversion circuit and the signal forming circuit and outputs a photoelectric current signal; the signal conversion circuit forms the compensated photoelectric voltage signal and outputs the photoelectric current signal to signal output circuit.