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.

公开(公告)号：US11569462B2

公开(公告)日：2023-01-31

申请号：US16605181

申请日：2019-03-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li

IPC: H01L23/48 ,  H01L51/00 ,  H01L27/32 ,  H01L27/12

Abstract: Disclosed are a flexible array substrate, a preparation method thereof, and a flexible display panel. The flexible array substrate comprises a plurality of pixel island regions sequentially arranged, with a flexible region being disposed between adjacent pixel island regions, wherein each of the pixel island regions comprises a gate electrode, and the flexible region comprises a first connecting wire, an elastic layer disposed on the first connecting wire, and a second connecting wire disposed on the elastic layer, wherein a plurality of interlayer via holes are disposed in the elastic layer, an elastic conductive pillar is disposed in each of the interlayer via holes, the elastic conductive pillar is conductively connected to the first connecting wire and the second connecting wire respectively, and the first connecting wire and/or the second connecting wire are/is connected to the gate electrodes of adjacent pixel island regions.

公开(公告)号：US11374065B2

公开(公告)日：2022-06-28

申请号：US16965920

申请日：2019-12-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dong Li ,  Hongwei Tian ,  Chunyang Wang ,  Huijuan Zhang ,  Zheng Liu ,  Xiaolong Li ,  Meng Zhao ,  Mingche Hsieh

IPC: G09G5/00 ,  H01L27/32 ,  G09G3/3225 ,  H01L51/00 ,  H01L51/52

Abstract: A flexible display panel has a display area, a peripheral area surrounding the display area, and a bending area having at least one overlapping area with the peripheral area. The flexible display panel includes a plurality of conductive layers disposed in the display area, and at least one interdigital capacitor disposed in the at least one overlapping area. One of the at least one interdigital capacitor is disposed in a same layer with a same material as one of the plurality of conductive layers.

公开(公告)号：US11280681B2

公开(公告)日：2022-03-22

申请号：US16563110

申请日：2019-09-06

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinchao Bai ,  Xun Wang ,  Zumou Wu ,  Xiaolong Li ,  Tianyu Zuo ,  Xiangqian Ding

IPC: G01K7/00 ,  H01B1/14 ,  B05D5/00 ,  H01B1/24 ,  H01L51/00 ,  H01B1/22

Abstract: The present disclosure relates to a flexible temperature sensor, a method for preparing the same, and a flexible device. The flexible temperature sensor includes: a flexible substrate; an electrode arranged on the flexible substrate; a mixed fluid arranged on the flexible substrate and in contact with the electrode, in which the mixed fluid includes an ionic liquid and porous conductive particles; and a protective plate arranged on a surface of the flexible substrate having the mixed fluid to protect the mixed fluid.

公开(公告)号：US11250781B2

公开(公告)日：2022-02-15

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 ,  G06F3/044 ,  G06F3/041 ,  G06K9/00 ,  G09G3/3291

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：US11238803B2

公开(公告)日：2022-02-01

申请号：US17271776

申请日：2020-07-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Tieshi Wang ,  Zhiqiang Xu ,  Shengnan Li ,  Wanpeng Teng ,  Chunfang Zhang ,  Xiaolong Li ,  Wei Qin ,  Kai Guo ,  Kuanjun Peng

IPC: G09G3/3258 ,  H01L27/32 ,  H01L51/50

Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.

公开(公告)号：US11227882B2

公开(公告)日：2022-01-18

申请号：US16077777

申请日：2017-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaolong Li ,  Dong Li ,  Huijuan Zhang ,  Zheng Liu

IPC: H01L27/12 ,  H01L29/66 ,  H01L29/786 ,  H01L51/52

Abstract: A thin film transistor, a method for fabricating the same, a display substrate, and a display device are disclosed. The thin film transistor includes a gate, a source, a drain, and an active layer. Forming the active layer includes: forming a pattern comprising a thermal insulation layer; forming a pattern comprising an amorphous silicon layer on the thermal insulation layer, wherein the pattern comprising the amorphous silicon layer includes a first portion on the thermal insulation layer and a second portion extending beyond the thermal insulation layer; and treating the pattern comprising the amorphous silicon layer with a laser annealing process, so that the amorphous silicon layer grows grain in a direction from the second portion to the first portion to form the active layer from polycrystalline silicon.

公开(公告)号：US11114061B2

公开(公告)日：2021-09-07

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：US11079670B2

公开(公告)日：2021-08-03

申请号：US16334870

申请日：2018-09-21

Applicant: Beijing BOE Display Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Mingxuan Liu ,  Huibin Guo ,  Yongzhi Song ,  Xiaoxiang Zhang ,  Wenqing Xu ,  Zumou Wu ,  Xiaolong Li

IPC: G03F1/26

Abstract: Disclosed are a manufacturing method of a phase shift mask and a phase shift mask. The manufacturing method of a phase shift mask includes: forming a pattern of metal shielding layer on a base substrate; forming a phase shift layer and a first photoresist layer in sequence on the pattern of metal shielding layer; patterning the first photoresist layer with the pattern of metal shielding layer serving as a mask to form a pattern of first photoresist layer; and etching the phase shift layer with the pattern of first photoresist layer serving as a mask to form a pattern of phase shift layer.

公开(公告)号：US20210142719A1

公开(公告)日：2021-05-13

申请号：US16835479

申请日：2020-03-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Kuanjun Peng ,  Chunfang Zhang ,  Zhiqiang Xu ,  Yanan Niu

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: Embodiments of the present disclosure provide a pixel driving circuit and a driving method thereof, a display panel and a display device. The pixel driving circuit includes: a driving sub-circuit, coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal, and a first terminal of a light-emitting element, and configured to be able to output a first voltage signal from the first voltage signal terminal to the light-emitting element under the control of a scanning signal from the scanning signal terminal, a data signal from the data signal terminal, and a light-emitting control signal from the light-emitting control signal terminal; and an electrostatic discharge sub-circuit, coupled to a second voltage signal terminal and the first terminal of the light-emitting element, and configured to be able to conduct static electricity to the second voltage signal terminal in response to the static electricity generated at the first terminal of the light-emitting element.