公开(公告)号：US20240266358A1

公开(公告)日：2024-08-08

申请号：US18021902

申请日：2022-05-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiqiang XU ,  Weixing LIU ,  Chunfang ZHANG ,  Wanpeng TENG ,  Jintao PENG ,  Kai GUO ,  Meirong LU

IPC: H01L27/12 ,  G02F1/133 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: H01L27/124 ,  G02F1/13306 ,  G02F1/133621 ,  G02F1/134309 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2203/30

Abstract: The embodiment of the present disclosure provides a display panel, which includes an array substrate, a counter substrate and a spacer. The array substrate includes a base substrate and a plurality of signal lines on the base substrate. The plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines. The plurality of first signal lines and the plurality of second signal lines intersect each other to define a plurality of first regions. The plurality of first regions include a plurality of first pixel regions, at least one second pixel region and at least one redundant region. The first signal line extends along a first direction, the second signal line includes a body portion extending along a second direction, at least one second signal line further includes a bending portion connected to the body portion.

公开(公告)号：US20240186454A1

公开(公告)日：2024-06-06

申请号：US17789351

申请日：2021-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing LIU ,  Kuanjun PENG ,  Xiaolong LI ,  Wanpeng TENG ,  Bin QIN ,  Wanzhi CHEN ,  Fangzhen ZHANG ,  Chunfang ZHANG ,  Zhiqiang XU

IPC: H01L33/38 ,  G09G3/32 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/382 ,  G09G3/32 ,  H01L25/0753 ,  H01L33/62 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/0626 ,  G09G2330/021

Abstract: A light-emitting device includes a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer that are stacked. The first semiconductor layer includes a first semiconductor pattern and a second semiconductor pattern. The light-emitting functional layer includes a first light-emitting pattern and a second light-emitting pattern spaced apart. The second semiconductor layer includes a third semiconductor pattern and a fourth semiconductor pattern spaced apart. Orthographic projections of the first semiconductor pattern, the first light-emitting pattern and the third semiconductor pattern on a reference plane at least partially overlap to form a first light-emitting portion. Orthographic projections of the second semiconductor pattern, the second light-emitting pattern and the fourth semiconductor pattern on the reference plane at least partially overlap to form a second light-emitting portion. The reference plane is parallel to a plane where the first semiconductor layer is located.

公开(公告)号：US20240027822A1

公开(公告)日：2024-01-25

申请号：US18006983

申请日：2022-02-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongxiao LI ,  Pengxia LIANG ,  Zhiqiang XU

IPC: G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/133526 ,  G02F1/134336

Abstract: Provided are a liquid crystal lens and an electronic device. The lens includes a first and a second substrate structure; and an intermediate layer. The second substrate structure includes a second substrate; at least one electrode structure, each electrode structure including N groups of second electrodes, each group of which including M second electrodes. Orthographic projections of i-th group of second electrodes is within that of i-th intermediate portion. Each intermediate portion includes a liquid crystal layer, and j-th intermediate portion includes at least one of a first to fourth barrier walls. The liquid crystal lens is configured such that i-th intermediate portion constitutes a part of i-th stage Fresnel ring of a Fresnel zone plate, and optical paths of portions of i-th intermediate portion gradually decrease along the first direction, in a case where a predetermined voltage is between N groups of second electrodes and the first electrode.

公开(公告)号：US20220165228A1

公开(公告)日：2022-05-26

申请号：US17353841

申请日：2021-06-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing LIU ,  Tieshi WANG ,  Wei QIN ,  Zhiqiang XU ,  Chunfang ZHANG

IPC: G09G3/36

Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes a plurality of scan signal lines, a plurality of data signal lines and a plurality of sub-pixels; at least one sub-pixel includes switch assembly and a display unit, wherein the switch assembly at least includes a control terminal, an input terminal and an output terminal, wherein the input terminal is connected to the data signal line, the output terminal is connected to the display unit, and the control terminal or the input terminal is connected to the scan signal line; the display panel further includes at least one switch control line, which is connected to the control terminal of the switch assembly, and the switch control line is configured to control the input terminal and the output terminal of the switch assembly to be turned on or off.

公开(公告)号：US20210241697A1

公开(公告)日：2021-08-05

申请号：US17234873

申请日：2021-04-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tieshi WANG ,  Xueling GAO ,  Zhiqiang XU ,  Chengchung YANG ,  Haoran LIU

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3233

Abstract: A method of driving a pixel includes providing a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit connected a data signal end, a first scanning end and the first node; a first control circuit connected to a first power end, a light emitting control end and the first node; a reset circuit connected to a reference signal end, a second scanning end, and the second node; a compensation circuit connected between the second node and the third node; a second control circuit connected to the third node, a light emitting element, and the light emitting control end; and an energy storage circuit connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.

公开(公告)号：US20210142764A1

公开(公告)日：2021-05-13

申请号：US16623609

申请日：2019-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Kuanjun PENG ,  Chengchung YANG ,  Zhiqiang XU ,  Wei QIN ,  Tieshi WANG ,  Xiaolong LI ,  Shengnan LI ,  Wanpeng TENG

IPC: G09G5/10 ,  G09G3/3275

Abstract: The present disclosure relates to a light-emission control signal generating device and a display device. The light-emission control signal generating device includes: a state detection circuit configured to detect whether a current frame is a static frame or a dynamic frame and output an indication signal indicating the static frame or the dynamic frame; and a plurality of light emission control signal generation circuits; wherein the plurality of light emission control signal generation circuits are divided into a plurality of blocks, and individual blocks are input with different light emission enable signals based on the indication signal to generate light emission control signals.

公开(公告)号：US20210027711A1

公开(公告)日：2021-01-28

申请号：US16829407

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei QIN ,  Zhiqiang XU ,  Xiaolong LI ,  Tieshi WANG ,  Weixing LIU ,  Kai GUO ,  Jintao PENG ,  Yanan NIU ,  Kuanjun PENG

IPC: G09G3/3258 ,  G09G3/3291 ,  G06F3/041 ,  G06F3/044 ,  G06K9/00

Abstract: A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.

公开(公告)号：US20200074921A1

公开(公告)日：2020-03-05

申请号：US16614709

申请日：2019-04-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kuanjun PENG ,  Chengchung YANG ,  Zhiqiang XU

IPC: G09G3/3208

Abstract: A method of adjusting display brightness, a light-emission control circuit and a display device are provided. A method of adjusting display brightness is applied to an light-emission control circuit, where the light-emission control circuit is configured to generate an light-emission control signal configured to control a light-emission of a display device. The method includes: adjusting, in the case that a display brightness of the display device is not within a predetermined brightness range, a duty ratio of the light-emission control signal, to enable the display brightness of the display device to fall into the predetermined brightness range.

公开(公告)号：US20190333447A1

公开(公告)日：2019-10-31

申请号：US16251903

申请日：2019-01-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengchung YANG ,  Kuanjun PENG ,  Wei QIN ,  Zhiqiang XU ,  Yan WEI

IPC: G09G3/3233

Abstract: A display method includes: determining whether there is a dynamic part in a current frame of picture, according to image data of a previous frame of picture and the current frame of picture; in a case where there is no dynamic part in the current frame of picture, in a display stage of the current frame of picture, providing a first light emitting control signal being always at an effective electric level state to each of pixel units of a display panel; in a case where there is a dynamic part in the current frame of picture, in the display stage of the current frame of picture, providing a second light emitting control signal, including a part at an effective electric level state and a part at a non-effective electric level state, to pixel units corresponding to at least a part of the dynamic part.

公开(公告)号：US20180052555A1

公开(公告)日：2018-02-22

申请号：US15533079

申请日：2016-06-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhiqiang XU ,  Xiangxiang ZOU ,  Xuefei WANG

IPC: G06F3/041 ,  G06F3/042 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G06F3/0414 ,  G02B6/0031 ,  G02B6/0055 ,  G02F1/13338 ,  G02F1/133602 ,  G06F3/042

Abstract: A pressure-sensing touch system for recognition of a touch event caused by a pressure applied at a touch position is disclosed which includes a light guide plate, a light output plate, a light source subsystem, a plurality of interference plates, a plurality of detectors and a controller. Upon application of the pressure at the touch position, a change in an intensity distribution of output light exiting from two through-openings of the interference plate occurs. The plurality of detectors are configured to detect the change. The controller is configured to recognize the touch event based on the detecting by the plurality of detectors. Also disclosed are a pressure-sensing touch method and a display system.