公开(公告)号：US20230129625A1

公开(公告)日：2023-04-27

申请号：US17609504

申请日：2021-01-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wei Qin ,  Kuanjun Peng ,  Tieshi Wang ,  Chunfang Zhang ,  Hui ZHANG ,  Changfeng Li ,  Shunhang Zhang ,  Kai Hou ,  Hongrun Wang ,  Liwei Liu ,  Yunsik Im ,  Wanpeng Teng ,  Xiaolong Li ,  Kai Guo ,  Zhiqiang Xu

IPC: G09G3/20 ,  G11C19/28

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

公开(公告)号：US11348524B2

公开(公告)日：2022-05-31

申请号：US17327937

申请日：2021-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling Gao ,  Kuanjun Peng ,  Chengchung Yang ,  Xiangxiang Zou ,  Wei Qin

IPC: G09G3/3233

Abstract: A display substrate and a display device. The display substrate includes a pixel circuit in which the driving circuit controls a driving current for driving the light emitter element to emit light; the first light emission control circuit applies a first voltage to a first terminal of the driving circuit in response to a first light emission control signal; the second light emission control circuit applies the driving current to the light emitter element in response to a second light emission control signal; the first reset circuit applies a first reset voltage to the control terminal of the driving circuit in response to a first reset signal; the first reset signal and the first light emission control signal are simultaneously turn-on signals during a period; the first light emission control line and the second light emission control line extend along a first direction and are arranged in a second direction.

公开(公告)号：US11340511B2

公开(公告)日：2022-05-24

申请号：US16956066

申请日：2019-10-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Tieshi Wang ,  Jintao Peng ,  Xueling Gao ,  Yanan Niu ,  Kuanjun Peng ,  Shengnan Li

IPC: G02F1/155 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/29

Abstract: A display panel, a method for preparing a display panel and a method for adjusting an intensity of ambient light reflected on a display panel are provided in embodiments of the disclosure. The display panel includes: a base substrate; a plurality of sub-pixel units (20) on the base substrate comprising a plurality of light emitting portions respectively; an electrochromic assembly on a light-emergent side of the plurality of light emitting portions; and a light intensity detector configured to detect an incident intensity of ambient light, and the electrochromic assembly comprises a plurality of electrochromic portions covering the plurality of light emitting portions, respectively; and transmittance of the plurality of electrochromic portions for ambient light varies with a change in the incident intensity of ambient light.

公开(公告)号：US20210217363A1

公开(公告)日：2021-07-15

申请号：US16638898

申请日：2019-03-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling Gao ,  Kuanjun Peng ,  Wei Qin

IPC: G09G3/3258 ,  G09G3/20 ,  G09G3/3291

Abstract: The present disclosure relates to a pixel circuit. The pixel circuit may include a storage capacitor, an initialization sub-circuit and a light-emitting control sub-circuit. The initialization sub-circuit is configured to store an initial voltage of the initial voltage terminal in the first terminal of the storage capacitor under a control of a light-emitting control signal of the light-emitting control terminal; and the light-emitting control sub-circuit is configured to apply a first voltage of the first voltage terminal to the first terminal of the storage capacitor. The first voltage terminal and the initial voltage terminal are separated terminals.

公开(公告)号：US10971060B2

公开(公告)日：2021-04-06

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：US10832611B2

公开(公告)日：2020-11-10

申请号：US16473543

申请日：2018-11-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yanhui Xi ,  Bin Dai ,  Xiaomang Zhang ,  Yan Sun ,  Haijun Niu ,  Kuanjun Peng ,  Yuxin Bi ,  Donghui Wang

IPC: G09G3/20

Abstract: The present application provides a multiple primary color conversion method, including: determining color triangles according to color coordinates of a target color; computing grayscale components of l primary colors corresponding to the target color in the color triangles; in step S130, obtaining initial grayscales of l primary colors; in step S140, judging whether there is an overflow grayscale; if yes, then performing step S160, if no, then performing step S150; in step S150, adjusting initial brightness components corresponding to grayscale components of the same primary color as the overflow grayscale, computing grayscale components of l primary colors in color triangles including the primary color of the overflow grayscale, and performing steps S130 and S140; in step S160, determining the initial grayscales of l primary colors as grayscales of l primary colors of the target color.

公开(公告)号：US10650751B2

公开(公告)日：2020-05-12

申请号：US15982408

申请日：2018-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiangxiang Zou ,  Cheng Chung Yang ,  Yinglong Huang ,  Kuanjun Peng

IPC: G09G3/3208 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  H01L27/32

Abstract: A pixel driving circuit and a driving method thereof, and a display device. The pixel driving circuit includes a light-emitting driving circuit, a light-emitting component and a gate-source voltage adjustment circuit. A control end, a first end and a second end of the light-emitting driving circuit are electrically connected with a first node, a second node and the light-emitting component respectively; the gate-source voltage adjustment circuit is electrically connected with at least one of the first node and the second node, the gate-source voltage adjustment circuit is also electrically connected with an adjustment voltage terminal, and the gate-source voltage adjustment circuit is configured to adjust at least one of a voltage of the first node and a voltage of the second node, so as to increase a modulus value of a voltage difference between the control end and the first end of the light-emitting driving circuit.

公开(公告)号：US09659971B2

公开(公告)日：2017-05-23

申请号：US14342154

申请日：2013-11-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kuanjun Peng ,  Yunyun Tian ,  Hyunsic Choi ,  Heecheol Kim

IPC: G02F1/1337 ,  G02F1/1335 ,  H01L27/12 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1362

CPC classification number: H01L27/124 ,  G02F1/133345 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134372 ,  G02F2201/40

Abstract: The present invention relates to the field of liquid crystal display technology and provides an array substrate and a liquid crystal display device which can solve the problem of low transmissivity of existing liquid crystal display devices. The array substrate of the present invention comprises a plurality of pixel units, each pixel unit is provided with a plate electrode and a slit electrode arranged above the plate electrode, an insulation layer is provided between the plate electrode and the slit electrode, and the plate electrode extends to the periphery region of the pixel unit, the slit electrode extends to the periphery region of the pixel unit; the slit electrode and the plate electrode are both provided in at least part of the peripheral region of the pixel unit. the present invention is applicable to liquid crystal display devices, especially the liquid crystal display devices taking a “dual gate lines” design.

公开(公告)号：US12282234B2

公开(公告)日：2025-04-22

申请号：US17434670

申请日：2020-11-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunmiao Zhou ,  Kuanjun Peng ,  Tao Hong ,  Xin Gu ,  Kang Guo ,  Xue Dong

IPC: G02F1/1335 ,  G02F1/1343 ,  H04N13/383

Abstract: A display device is provided. The display device includes: a plurality of sub-pixels and a light splitting structure including a plurality of light splitting portions. Each of the plurality of sub-pixels includes a plurality of display units, the plurality of sub-pixels are arranged as a plurality of sub-pixel row groups, each of the plurality of sub-pixel row groups includes at least two rows of sub-pixels, a gap is provided between two adjacent sub-pixels in each row of sub-pixels, and two adjacent rows of sub-pixels in each sub pixel row groups are shifted from each other in a row direction so that a sub-pixel in one row and the gap between two adjacent sub-pixels in another row are shifted from each other; a ratio of a size of each light splitting portions along the row direction to a pitch of the sub-pixels is in a range from 0.9 to 1.1.

公开(公告)号：US12236911B2

公开(公告)日：2025-02-25

申请号：US18004901

申请日：2022-01-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Kuanjun Peng ,  Kai Guo ,  Wanpeng Teng ,  Chunfang Zhang ,  Weixing Liu ,  Zhiqiang Xu ,  Tieshi Wang ,  Feihu Zhou

IPC: G09G3/36

Abstract: A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, n1 number of second areas, and n2 number of third areas, the first area being between the n1 number of second areas and the n2 number of third areas, n1≥1, and n2≥1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1 number of the n1 number of second areas, and m2 number of the n2 number of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1′ number of the n1 number of second areas, and m2′ number of the n2 number of third areas.