公开(公告)号：US20150349274A1

公开(公告)日：2015-12-03

申请号：US14415005

申请日：2014-05-30

Applicant: BOE Technology Group Co., Ltd. ,  JiLin OLED Material Tech. Co., LTD.

Inventor： Lifei Ma ,  Xiaoyu Ma ,  Hui Wang ,  Lujiang Huangfu

IPC: H01L51/00 ,  C07D401/14 ,  C09K11/06 ,  C07D403/14

CPC classification number: H01L51/0072 ,  C07D401/14 ,  C07D403/14 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  H01L51/0067 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/506 ,  H01L51/5088 ,  H05B33/20

Abstract: The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.

Abstract translation: 本发明提供由式（I）表示的咔唑衍生物，其中A为式（Ⅱ）表示的基团，其中X，Y和Z表示碳原子或氮原子，X，Y和 Z表示氮原子。 本发明还提供了一种制备该化合物的方法。 本发明还提供了包含该化合物的有机电致发光器件。 该化合物可用作有机电致发光器件中的磷光主体材料，空穴注入材料或空穴传输材料。

公开(公告)号：US09054320B2

公开(公告)日：2015-06-09

申请号：US14164654

申请日：2014-01-27

Applicant: BOE Technology Group Co., LTD. ,  JiLin OLED Material Tech. Co., LTD.

Inventor： Na Li ,  Yansong Li ,  Xiaoyu Ma ,  Hui Wang

IPC: C07D249/08 ,  H01L51/00

CPC classification number: H01L51/0058 ,  C07D249/08 ,  C07D403/10 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012

Abstract: The invention provides a 1,2,4-triazole-based derivative, a production process and use thereof, and an organic electroluminescent device. The invention belongs to the technical field of organic electroluminescence, and can give a blue light-emitting material having a higher luminescence efficiency. The 1,2,4-triazole-based derivative has a molecular structure of the following general formula, wherein A group represents an aromatic heterocyclic group having a carbon atom number of 8-18, a fused-ring aromatic group having a carbon atom number of 9-15, a fluorenyl group, or a triarylamino group. The 1,2,4-triazole-based derivative mentioned in the invention can be used in organic electroluminescent device.

Abstract translation: 本发明提供基于1,2,4-三唑的衍生物，其制备方法和用途以及有机电致发光器件。 本发明属于有机电致发光技术领域，可以得到发光效率高的蓝色发光材料。 1,2,4-三唑系衍生物具有以下通式的分子结构，其中A基团表示碳原子数为8〜18的芳香族杂环基，碳原子数为稠环芳香族基 9-15，芴基或三芳基氨基。 本发明中提及的1,2,4-三唑类衍生物可用于有机电致发光器件中。

公开(公告)号：US12223921B2

公开(公告)日：2025-02-11

申请号：US18017053

申请日：2022-01-10

Applicant: Wuhan BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Rongcheng Liu ,  Hui Wang ,  Wei Yuan ,  Yanwei Lv ,  Shaohui Li ,  Jiantao Liu

IPC: G09G3/36

Abstract: A drive method for a display panel, and a display apparatus. The drive method includes: when current original gray-scale values corresponding to sub-pixels in the same region are the same in a plurality of continuous display frames, converting the current original gray-scale values into a first target gray-scale value and a second target gray-scale value; in a current display frame of the plurality of continuous display frames, controlling a data voltage corresponding to the first target gray-scale value to be input to a first sub-pixel unit in the region, and controlling a data voltage corresponding to the second target gray-scale value to be input to a second sub-pixel unit in the region, where each of the first sub-pixel unit and the second sub-pixel unit includes at least one sub-pixel.

公开(公告)号：US12197055B2

公开(公告)日：2025-01-14

申请号：US18016849

申请日：2022-02-28

Applicant: Hefei BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Yijun Wang ,  Yuansheng Zang ,  Sheng Wang ,  Hui Wang ,  Jian Xu ,  Jie Yang ,  Ru Zhou ,  Xufei Xu ,  Xingkui Guo

IPC: G02F1/13 ,  G02F1/1333 ,  G02F1/1343

Abstract: Disclosed are a dimmable panel (001) and a display device. The dimmable panel includes a first substrate (101) and a second substrate (102) that are arranged opposite each other; a first electrode (103) and a second electrode (104) that are insulated from each other and located between the first substrate (101) and the second substrate (102), where the first electrode (103) and the second electrode (104) are located in a dimmable area (AA), at least one of the first electrode (103) and the second electrode (104) includes a plurality of strip-shaped electrodes, extension trends of all the strip-shaped electrodes are approximately the same, and orthographic projections of the strip-shaped electrodes on the first substrate (101) do not overlap each other; and a liquid crystal layer (105) located between the first substrate (101) and the second substrate (102), where the liquid crystal layer (105) is located in the dimmable area (AA).

公开(公告)号：US20240210768A1

公开(公告)日：2024-06-27

申请号：US17912911

申请日：2022-04-29

Applicant: Hefei BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Qianqian Zhang ,  Chun Wang ,  Yuqi Liu ,  Hui Wang ,  Hongmei Yang ,  Wei Ren

IPC: G02F1/1343 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/134372 ,  H01L27/124 ,  G02F1/1368

Abstract: Provided is a pixel structure. The pixel structure includes: a first electrode, a second electrode, and a liquid crystal layer that are disposed on one side of a substrate and successively stacked, wherein one of the first electrode and the second electrode is a pixel electrode and the other of the first electrode and the second electrode is a common electrode, and the second electrode includes a plurality of electrode branches sequentially arranged in a first direction, wherein each of the electrode branches includes a first end portion, a body portion, and a second end portion that are successively connected in a second direction, the body portion including at least one body segment.

公开(公告)号：US11783777B2

公开(公告)日：2023-10-10

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 ,  G09G3/3283 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/325 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2310/027

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：US11714307B2

公开(公告)日：2023-08-01

申请号：US17789459

申请日：2021-08-26

Applicant: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO, LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jie Yang ,  Yuansheng Zang ,  Heng Zhang ,  Sheng Wang ,  Hui Wang ,  Junsheng Chen ,  Feng Qu ,  Yan Wang

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/13357

CPC classification number: G02F1/133314 ,  G02F1/1339 ,  G02F1/1368 ,  G02F1/13452 ,  G02F1/133322 ,  G02F1/133502 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/136209 ,  G02F1/136222 ,  G02F1/1336 ,  G02F1/133331 ,  G02F2201/38

Abstract: A display device includes a backlight module; a display module located on a light exiting side of the backlight module; and a housing accommodating the backlight module and the display module. The display module includes a display panel including an array substrate and a color film substrate arranged opposite to each other. The color film substrate is located between the array substrate and the backlight module. A first polarizer located on one side of the array substrate away from the color film substrate. A manufacturing method of a display device is also provided.

公开(公告)号：US11600748B2

公开(公告)日：2023-03-07

申请号：US16959169

申请日：2019-07-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G06F3/044 ,  H01L27/15 ,  H01L33/04 ,  H01L33/62 ,  G06F3/041 ,  H01L25/16 ,  H01L33/38 ,  H01L33/32

Abstract: Provided is a display substrate including: a base substrate, a plurality of micro light-emitting diodes and a plurality of touch electrodes; wherein the micro light-emitting diode comprises: a first electrode, a light-emitting layer, and a second electrode that are sequentially arranged in a direction distal from the base substrate; and the touch electrode is disposed on a side of the micro LED distal from the base substrate. A manufacturing method of manufacturing a display substrate, a display panel, and a display device are also provided.

公开(公告)号：US11600234B2

公开(公告)日：2023-03-07

申请号：US16814119

申请日：2020-03-10

Applicant: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weilin Lai ,  Yucheng Chan ,  Jianbang Huang ,  Dachao Li ,  Shengji Yang ,  Pengcheng Lu ,  Kuanta Huang ,  Xiaochuan Chen ,  Xue Dong ,  Hui Wang ,  Yanming Wang ,  Chen Xu ,  Dacheng Zhang ,  Yongfa Dong ,  Qing Wang ,  Hui Tong ,  Yunlong Li

IPC: H01L27/32 ,  G09G3/3291 ,  G09G3/3258 ,  G09G3/3266

Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.

公开(公告)号：US11487370B2

公开(公告)日：2022-11-01

申请号：US16444332

申请日：2019-06-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

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

Abstract: A touch substrate, a driving method of a touch substrate, a preparation method of a touch substrate, and a touch device are disclosed. The touch substrate includes an underlying substrate and a touch layer, and the touch layer is on the underlying substrate. The touch layer includes a plurality of touch electrodes which are electrically separated from each other, each of the touch electrodes overlaps with an edge area of the touch substrate in a direction perpendicular to the underlying substrate, and each of the touch electrodes is electrically connected with a touch signal line on the underlying substrate in the edge area. The touch substrate can improve the pixel aperture ratio of the display area, so that the touch device including the touch substrate can achieve better display effect.