公开(公告)号：US20210358384A1

公开(公告)日：2021-11-18

申请号：US16614365

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/20

Abstract: The present disclosure relates to the field of display technologies, and in particular, to a shift register circuit and a display device. The shift register circuit may include a plurality of GOAs for outputting scan signals to a plurality of pixel driving circuits and a plurality of EOAs for outputting control signals to the plurality of pixel driving circuits, where the GOAs and the EOAs are alternately arranged in a straight line.

公开(公告)号：US20210175296A1

公开(公告)日：2021-06-10

申请号：US16960573

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li LIU ,  Junbo WEI ,  Pengcheng LU ,  Shengji YANG ,  Yunlong LI ,  Rongrong SHI ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: A display panel and a method for manufacturing a display panel are disclosed. The display panel includes a first sub-pixel region and a second sub-pixel region which are adjacent to each other. The display panel includes a substrate and a first conductive layer, an organic functional layer, and a second conductive layer which are sequentially on the substrate. The organic functional layer includes a charge generation layer, and the charge generation layer includes a first charge generation layer portion and a second charge generation layer portion which are in the first sub-pixel region and the second sub-pixel region, respectively. The display panel further includes a spacer between the first sub-pixel region and the second sub-pixel region, and the spacer disconnects the first charge generation layer portion and the second charge generation layer portion.

公开(公告)号：US20210091142A1

公开(公告)日：2021-03-25

申请号：US16903347

申请日：2020-06-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Junbo WEI ,  Shengji YANG ,  Kuanta HUANG ,  Pengcheng LU

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

Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a base substrate, a light emitting structure layer disposed on the base substrate, a color filter layer including a plurality of sub-pixels and disposed on a light emitting side of the light emitting structure layer, and a pinhole thin film structure layer disposed on a light emitting side of the color filter layer, the pinhole thin film structure layer including a plurality of amplification structures, the amplification structures corresponding to the sub-pixels one by one, and an orthographic projection of the amplification structures on the base substrate being inside an orthographic projection of the sub-pixels corresponding to the amplification structures on the base substrate, and the amplification structures being configured to amplify images of the sub-pixels corresponding to the amplification structures.

公开(公告)号：US20210066400A1

公开(公告)日：2021-03-04

申请号：US16958931

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongfa DONG ,  Kuanta HUANG ,  Shengji YANG ,  Pengcheng LU ,  Qing WANG ,  Hui TONG ,  Yu WANG ,  Xiaobin SHEN ,  Xiong YUAN ,  Dongsheng LI ,  Rongyuan ZOU

IPC: H01L27/32 ,  H01L51/56 ,  G02B5/20 ,  G02B1/04 ,  C09D5/00 ,  C09D133/04 ,  C09D7/41

Abstract: A preparation method of a color film layer, a display substrate and a preparation method thereof. The display substrate includes a bearing layer and repeating units, each repeating unit including a green film layer, a red film layer and a blue film layer, which are provided on the bearing layer and directly contacting a first surface of the bearing layer. On a plane parallel to the first surface of the bearing layer, in each repeating unit, the red film layer is provided on a first side of the green film layer, the blue film layer is provided on a second side of the green film layer opposite to the first side; one of the red film layer and the blue color film layer covers part of the green film layer; one part of the green film layer does not overlap with the red film layer and the blue film layer.

公开(公告)号：US20210056894A1

公开(公告)日：2021-02-25

申请号：US16916671

申请日：2020-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xiaochuan CHEN ,  Hui WANG ,  Kuanta HUANG ,  Pengcheng LU

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3283

Abstract: Disclosed are a pixel circuit and a driving method thereof, a display substrate and a driving method thereof, and a display apparatus. The pixel circuit includes a pixel sub-circuit, which includes: a driving circuit, including a control terminal, a first terminal and a second terminal; a voltage transmitting circuit, configured, in response to a transmission control signal, to apply a reset voltage and/or a first power voltage to the first terminal, respectively; and a data writing circuit, configured, in response to a scan signal, to write a data signal into the control terminal and store the data signal. The driving circuit is configured to control a voltage of the second terminal according to the data signal of the control terminal and the voltage of the first terminal, and to generate a driving current for driving a light-emitting element to emit light based on the voltage of the second terminal.

公开(公告)号：US20210042490A1

公开(公告)日：2021-02-11

申请号：US16759598

申请日：2019-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Xiaochuan CHEN ,  Hui WANG ,  Pengcheng LU

IPC: G06K9/00 ,  H01L27/32 ,  G10K15/04

Abstract: A display substrate, a method for driving the same and a display device are provided. The display substrate includes a first base substrate, at least one vibrator and at least one identification unit. The at least one identification unit is on the first base substrate, the at least one identification unit is in a display area of the display substrate, and the at least one vibrator is on a side of the first base substrate facing away from the identification unit. The at least one vibrator is configured to drive the first base substrate to vibrate to emit an acoustic signal; and the at least one identification unit is configured to receive an ultrasonic signal reflected by an object to be detected, and convert the ultrasonic signal into a first electrical signal.

公开(公告)号：US20210020709A1

公开(公告)日：2021-01-21

申请号：US16629558

申请日：2018-12-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Xiaochuan CHEN ,  Hui WANG ,  Pengcheng LU ,  Shengnan LI

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

Abstract: The present disclosure provides a display panel and a method for manufacturing the same, and a display device. The display panel includes: a substrate; a pixel unit array disposed on one side of the substrate, wherein the pixel unit array comprises a plurality of pixel units, at least one of the plurality of pixel units comprising an anode layer, a cathode layer, and a light emitting layer located between the anode layer and the cathode layer, the cathode layer defining an opening configured to transmit a light emitted from the light emitting layer; and at least one sensor disposed on one side of the pixel unit array away from the substrate and configured to detect a light transmitted through the opening.

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.