公开(公告)号：US10043483B2

公开(公告)日：2018-08-07

申请号：US15320649

申请日：2016-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Song Meng ,  Cuili Gai ,  Zhongyuan Wu

IPC: G09G5/02 ,  G09G3/20 ,  G09G5/00

CPC classification number: G09G5/02 ,  G09G3/2003 ,  G09G5/003 ,  G09G2300/0452 ,  G09G2300/0465 ,  G09G2340/0407

Abstract: The present disclosure discloses a pixel arrangement structure, an array substrate, a display apparatus and a display control method. The display control method includes obtaining a first grayscale value, a second grayscale value, a third grayscale value and a fourth grayscale value of a blue sub-pixel of four pixel units in a repeating unit; and calculating an actual display value of the blue sub-pixel based on the first grayscale value, the second grayscale value, the third grayscale value and the fourth grayscale value.

公开(公告)号：US12205537B2

公开(公告)日：2025-01-21

申请号：US18004345

申请日：2021-12-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingi Chu ,  Ying Han ,  Song Meng ,  Fei Yang ,  Lirong Wang ,  Zhiqiang Dong ,  Tianji Li ,  Jingbo Xu ,  Pan Li

IPC: G09G3/3225 ,  G09G3/20

Abstract: A display device and a driving method thereof. The display device includes a display substrate and at least one optical sensing unit; the display substrate includes a light-emitting region and a plurality of pixel units located in the light-emitting region; wherein the light-emitting region comprises a single-sided light-emitting region and at least one double-sided light-emitting region, and each of the pixel units in the plurality of pixel units comprises a plurality of sub-pixels; and the at least one optical sensing unit corresponds to the at least one double-sided light-emitting region from a non-display side of the display substrate, and configured to sense light emitted by the sub-pixels during operation in the at least one double-sided light-emitting region, and to provide sensing brightness information of the at least one double-sided light-emitting region to perform brightness compensation on the light-emitting region.

公开(公告)号：US20240404475A1

公开(公告)日：2024-12-05

申请号：US18782025

申请日：2024-07-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fei Yang ,  Song Meng ,  Zhiqiang Dong ,  Yi Chen ,  Jingbo Xu ,  Jianbo Xian

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A data driving integrated circuit includes a digital-to-analog converter configured to receive a respective digital data signal from a timing controller and convert the respective digital data signal to a respective analog data signal, which is output to a display panel through a respective data line; an analog-to-digital converter configured to receive a respective analog sensing signal from a respective sensing line in the display panel and convert respective analog sensing signal to a respective digital sensing signal, which is output to the timing controller; a first sensing switch configured to control a connection between a first reference voltage line and the respective sensing line; a second sensing switch configured to control a connection between a second reference voltage line and the respective sensing line; and a third sensing switch configured to control the connection between the analog-to-digital converter and the respective sensing line.

公开(公告)号：US12075666B2

公开(公告)日：2024-08-27

申请号：US17416498

申请日：2020-10-19

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

Inventor： Meng Li ,  Yongqian Li ,  Song Meng ,  Can Yuan ,  Zhidong Yuan

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/121 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/352 ,  H10K59/353 ,  H10K71/00 ,  H10K59/1201

Abstract: A transparent OLED display panel, a manufacturing method therefor, and a display apparatus are provided, relating to the field of display technologies. The display panel has a plurality of transparent regions and a plurality of display regions, wherein the transparent regions and the display regions are alternately arranged in a first direction. The display panel includes a plurality of pixels arranged in a second direction and a plurality of data lines; each of the pixels includes a plurality of sub-pixels, and the sub-pixels in each display region include a row of first sub-pixels and a row of second sub-pixels both arranged in the second direction; and the pixel at least includes one first sub-pixel and one second sub-pixel adjacent to each other. In the same display region, one first sub-pixel and one second sub-pixel adjacent to each other in the first direction are connected to the same data line.

公开(公告)号：US11705069B2

公开(公告)日：2023-07-18

申请号：US17467365

申请日：2021-09-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Zhongyuan Wu ,  Fei Yang

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291 ,  G09G2320/029 ,  G09G2330/12

Abstract: The present application discloses a method for compensating data voltages in a display apparatus. The method for individually compensating a data voltage to be applied to one of the multiple pixel circuits in the display apparatus. The method includes obtaining a threshold voltage of the driving transistor in the one of the multiple pixel circuits. Additionally, the method includes applying a testing voltage to a gate electrode of the driving transistor for charging the sense line up to a first time period to determine a first monitoring voltage associated with the sense line. The testing voltage is set to be a sum of the threshold voltage and a first setting voltage. Moreover, the method includes compensating a data voltage to be applied to the one of the multiple pixel circuits based on the first monitoring voltage and the threshold voltage.

公开(公告)号：US11341914B2

公开(公告)日：2022-05-24

申请号：US16481796

申请日：2019-01-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei Yang ,  Song Meng

IPC: G09G3/3258 ,  G09G3/00 ,  H01L27/32

Abstract: The present disclosure relates to a method for driving an organic light emitting display device, a driving controller, and a display device. When startup detection is required to be performed on the display compensation parameter of the organic light emitting display device, the startup detection is performed on the display compensation parameter of the organic light emitting display device to obtain a new compensation parameter value, and startup compensation display is performed based on the new compensation parameter value. When shutdown detection is required to be performed on the display compensation parameter of the organic light emitting display device, the shutdown detection is performed on the organic light emitting display device to obtain an updated compensation parameter value, and the updated compensation parameter value is stored.

公开(公告)号：US20210407421A1

公开(公告)日：2021-12-30

申请号：US17467365

申请日：2021-09-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Zhongyuan Wu ,  Fei Yang

IPC: G09G3/3258 ,  G09G3/3291

Abstract: The present application discloses a method for compensating data voltages in a display apparatus. The method for individually compensating a data voltage to be applied to one of the multiple pixel circuits in the display apparatus. The method includes obtaining a threshold voltage of the driving transistor in the one of the multiple pixel circuits. Additionally, the method includes applying a testing voltage to a gate electrode of the driving transistor for charging the sense line up to a first time period to determine a first monitoring voltage associated with the sense line. The testing voltage is set to be a sum of the threshold voltage and a first setting voltage. Moreover, the method includes compensating a data voltage to be applied to the one of the multiple pixel circuits based on the first monitoring voltage and the threshold voltage.

公开(公告)号：US11200845B2

公开(公告)日：2021-12-14

申请号：US17094193

申请日：2020-11-10

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

Inventor： Song Meng ,  Yongqian Li

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

Abstract: There is provided a driving method for a pixel circuit including a driving transistor, a data writing circuit, a sensing circuit, and a storage capacitor. The driving method includes: during a sensing write stage, writing a test voltage equal to a sum of a first reference voltage and a threshold voltage of the driving transistor, by the data writing circuit, to the control electrode of the driving transistor, and writing a second reference voltage, by the sensing circuit, to a second electrode of the driving transistor; during a sensing sampling stage, continuing to write the test voltage to the control electrode of the driving transistor by the data writing circuit, and stopping writing a voltage to the second electrode of the driving transistor by the sensing circuit. The driving method further includes a sensing reset stage and a sensing charging stage.

公开(公告)号：US10971083B2

公开(公告)日：2021-04-06

申请号：US16620989

申请日：2018-02-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Fei Yang

IPC: G09G3/32 ,  G09G3/3291

Abstract: A compensation method for a display panel, a compensation device for a display panel, and a display apparatus are provided. The display panel includes a plurality of pixel units, and each pixel unit includes a pixel circuit and a light-emitting element. The compensation method includes: detecting a threshold voltage of a drive transistor in the pixel circuit; detecting a maximum data voltage corresponding to a maximum brightness of the light-emitting element; and based on the threshold voltage, the maximum data voltage and an expected display brightness, calculating a compensation display data voltage in a normal display state after the display panel is compensated.

公开(公告)号：US10762845B2

公开(公告)日：2020-09-01

申请号：US16108543

申请日：2018-08-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming I Chu ,  Zhongyuan Wu ,  Fei Yang ,  Song Meng ,  Danna Song

IPC: G09G3/36 ,  G09G3/3258 ,  H01L27/32

Abstract: A compensation method for an electroluminescent display panel, a driving device, a display device, and a storage medium are provided. The compensation method includes: receiving a first display data signal; performing an optical compensation operation on the first display data signal to obtain a second display data signal; performing an electrical compensation operation on the second display data signal to obtain a third display data signal; and outputting the third display data signal for display.