公开(公告)号：US20190189056A1

公开(公告)日：2019-06-20

申请号：US16118192

申请日：2018-08-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Baoxia Zhang ,  Ling Wang ,  Pan XU ,  Yicheng Lin

IPC: G09G3/3258

Abstract: The present disclosure relates to a display device, a display substrate, a method and a device for display compensation. The method includes: before displaying an image, performing initial compensation on each of the pixel circuits to obtain an average reference voltage of the plurality of pixel circuits; controlling the display substrate to display an image and performing external compensation on each of the pixel circuits during a display duration of one frame of the image, obtaining a charging voltage on the sensing line of each of the pixel circuits during the external compensation, obtaining a first reference voltage of each of the pixel circuits according to the charging voltage on the sensing line and the average reference voltage, and performing internal compensation on each of the pixel circuits according to the first reference voltage.

公开(公告)号：US20190130828A1

公开(公告)日：2019-05-02

申请号：US16050099

申请日：2018-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanhu Li ,  Ling Wang ,  Dongfang Yang ,  Guang Yan

IPC: G09G3/3233

Abstract: A control method for a pixel circuit, a control circuit for a pixel circuit and a display device are provided. A timing sequence of the pixel circuit includes a driving display stage and a non-display stage. The non-display stage includes a reverse bias time period. The control method includes: inputting, in the reverse bias time period, a first control signal to an input end of the pixel circuit to make both the light-emitting element and the driving transistor to be reverse biased.

公开(公告)号：US20190013339A1

公开(公告)日：2019-01-10

申请号：US15744993

申请日：2017-07-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Quanhu Li ,  Ling Wang ,  Yongqian Li ,  Song Meng ,  Yue Wu

IPC: H01L27/12 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  G09G3/3266 ,  G09G3/3275 ,  H01L51/56

CPC classification number: H01L27/1251 ,  G09G3/3266 ,  G09G3/3275 ,  H01L21/77 ,  H01L23/50 ,  H01L27/124 ,  H01L27/1262 ,  H01L27/3213 ,  H01L27/3246 ,  H01L27/3272 ,  H01L27/3276 ,  H01L51/5012 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/56

Abstract: An organic light-emitting diode array substrate and a manufacturing method thereof and a display device are provided. The OLED array substrate includes a base substrate, a power line and a pixel structure disposed on the base substrate. The power line is disposed under the pixel structure and is at least partially overlapped with the pixel structure; an insulating layer is disposed between the power line and the pixel structure, and a first via hole structure is disposed in the insulating layer; and the power line is connected with a driving transistor in the pixel structure through the first via hole structure.

公开(公告)号：US09567523B2

公开(公告)日：2017-02-14

申请号：US14355248

申请日：2013-11-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Huai Yang ,  Birong Li ,  Wanli He ,  Ling Wang

IPC: C09K19/54 ,  C09K19/02 ,  C09K19/18 ,  C09K19/32 ,  C09K19/52 ,  C09K19/58 ,  G02F1/137 ,  C09K19/04 ,  C09K19/20

CPC classification number: C09K19/0275 ,  C09K19/18 ,  C09K19/322 ,  C09K19/52 ,  C09K19/54 ,  C09K19/542 ,  C09K19/588 ,  C09K2019/0448 ,  C09K2019/2078 ,  G02F1/137 ,  G02F2001/13793

Abstract: A blue phase liquid crystal composite material and a liquid crystal display comprising the same, can solve the problem of small Kerr constant of the current blue phase liquid crystal and the liquid crystal display comprising the same. The blue phase liquid crystal composite material of the present disclosure is produced by the photo polymerization of the components comprising: a parent blue phase liquid crystal, a benzyne compound, a chiral compound, a photo-polymerizable monomer, and a photoinitiator. The blue phase liquid crystal composite material of the present disclosure has the advantages of large Kerr constant, low voltage, high contrast, rapid response to electric field, good stability, and the like.

Abstract translation: 一种蓝相液晶复合材料及包含该蓝色相液晶复合材料的液晶显示器可以解决当前蓝相液晶的小克尔常数和包含该蓝相液晶的液晶显示器的问题。 本公开的蓝相液晶复合材料通过包括母体蓝相液晶，苯并
e嗪化合物，手性化合物，光聚合性单体和光引发剂的组分的光聚合来制备。 本公开的蓝相液晶复合材料具有克尔常数，低电压，高对比度，电场响应快，稳定性好等优点。

公开(公告)号：US11362149B2

公开(公告)日：2022-06-14

申请号：US16766155

申请日：2019-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guang Yan ,  Changyen Wu ,  Li Sun ,  Juanjuan You ,  Chengyuan Luo ,  Ling Wang ,  Dongfang Yang

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

Abstract: An organic light emitting diode display substrate includes a light emitting unit layer, a first band gap layer and a color conversion layer. The first band gap layer and the color conversion layer are on a light exit path of the light emitting unit layer. The light emitting unit layer includes first, second and third light emitting units periodically arranged on a driving substrate and emitting light of a first color. The color conversion layer converts a part of the light of the first color into light of a second color and a third color. The first band gap layer is between the light emitting unit layer and the color conversion layer. The first band gap layer transmits the light of the first color in a light exit direction, and reflects the light of the second color and the light of the third color.

公开(公告)号：US11289548B2

公开(公告)日：2022-03-29

申请号：US16632184

申请日：2018-11-20

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ling Wang ,  Xue Dong ,  Yicheng Lin ,  Cuili Gai ,  Pan Xu

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

Abstract: A display substrate includes a base substrate; and a plurality of light emitting brightness value detectors on the base substrate. Each of the plurality of light emitting brightness value detectors includes a first thin film transistor; a protection layer on a side of the first thin film transistor away from the base substrate; and a photosensor electrically connected to the first thin film transistor and configured to detect alight emitting brightness value. An orthographic projection of the protection layer on the base substrate covers an orthographic projection of at least a channel part of the first thin film transistor on the base substrate.

公开(公告)号：US11263948B2

公开(公告)日：2022-03-01

申请号：US16622488

申请日：2019-03-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Yicheng Lin ,  Ling Wang ,  Pan Xu

IPC: G09G3/20 ,  G09G3/32

Abstract: A display apparatus and a control method are disclosed. The display apparatus includes a plurality of sub-pixels, at least one photosensitive assembly, and a processor. Each photosensitive assembly is configured to detect and output actual luminance value(s) of at least one sub-pixel. The processor is configured to obtain a display compensation map corresponding to a target sub-pixel according to actual luminance values of the target sub-pixel that are acquired respectively in cases where a plurality of preset display data are input to the target sub-pixel, and target luminance values of the target sub-pixel that are obtained respectively in cases where the plurality of preset display data are input to the target sub-pixel.

公开(公告)号：US11239216B2

公开(公告)日：2022-02-01

申请号：US16860259

申请日：2020-04-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling Wang ,  Yicheng Lin ,  Ying Han

IPC: H01L27/14 ,  H01L25/075 ,  H01L27/12 ,  H01L29/786

Abstract: A transparent display panel includes a base and a plurality of sub-pixels disposed on the base. Each sub-pixel includes a light-emitting unit, and a light transmission portion disposed on at least one side of the light-emitting unit. The light-emitting unit includes at least one Micro-LED and a control circuit connected to the Micro-LED. The control circuit is configured to drive the at least one Micro-LED to emit light. The light transmission portion includes at least one of a transparent insulating portion or an opening.

公开(公告)号：US11177336B2

公开(公告)日：2021-11-16

申请号：US16334551

申请日：2018-08-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Cuili Gai ,  Baoxia Zhang ,  Ling Wang

IPC: H01L27/32

Abstract: A method for repairing a display substrate includes detecting whether there is a fault point on signal lines. If a fault point is detected on a signal line, short-circuiting is performed of two sides of the at least one fault point through line portions of two drive power lines respectively located at two sides of the at least one fault point and perpendicular to the signal line where the at least one fault point is located and a line portion of a drive power line located at one side of the at least one fault point and parallel to the signal line where the at least one fault point is located.

公开(公告)号：US11127350B2

公开(公告)日：2021-09-21

申请号：US16071667

申请日：2017-08-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Zhongyuan Wu ,  Baoxia Zhang ,  Ling Wang ,  Yicheng Lin ,  Quanhu Li ,  Fang Liu

IPC: G06F3/038 ,  G09G5/00 ,  G09G3/3258 ,  G09G3/3233 ,  G09G3/3291

Abstract: A pixel circuit includes a first transistor having a bottom gate and a top gate, a drain supplied with a high-level power-supply voltage, and a source coupled to a light-emitting diode (LED). The bottom gate is provided with a first voltage signal and the source is provided with a second voltage signal in a compensation period during which a present value of a threshold voltage of the first transistor is sensed at the source and a third voltage signal is determined based on the present value of the threshold voltage. The top gate is configured to be provided with the third voltage signal in an emission period to reduce the present value of the threshold voltage.