-
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：US12094404B2
公开(公告)日：2024-09-17
申请号：US17701615
申请日：2022-03-22
Inventor： Wenchao Bao , Song Meng , Min He , Huihui Li
IPC: G09G3/3225 , G02F1/1345 , G09G3/00 , G09G3/34 , G09G3/36 , H01L51/52 , H02M1/32 , H05B45/60 , H05K1/18 , H10K50/80
CPC classification number: G09G3/3225 , G09G3/006 , H05K1/189 , H10K50/868 , G09G2330/021 , H05K2201/10128
Abstract: A display module includes a display panel, a power supply driver, a voltage signal line, a sampling resistor and a detection and control circuit. The voltage signal line is connected between the display panel and the power supply driver. The sampling resistor is connected in series with the voltage signal line. The detection and control circuit is connected to two ends of the sampling resistor and the power supply driver. The detection and control circuit is configured to: detect a voltage across the sampling resistor or a current flowing through the sampling resistor; and control the power supply driver to generate a driving voltage equal to a preset value lower than a voltage threshold, if determining that the voltage across the sampling resistor is greater than or equal to the voltage threshold, or if determining that the current is greater than or equal to a current threshold.
-
公开(公告)号：US12075666B2
公开(公告)日：2024-08-27
申请号：US17416498
申请日：2020-10-19
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.
-
64.发明授权公开(公告)号：US11955047B2
公开(公告)日：2024-04-09
申请号：US17628876
申请日：2021-01-22
Inventor： Song Meng
IPC: G09G3/20 , G09G3/3275
CPC classification number: G09G3/2007 , G09G3/3275 , G09G2300/0819 , G09G2340/02 , G09G2360/128 , G09G2360/145
Abstract: The present disclosure relates to the field of display technology, and provides a display panel and a driving method thereof, a compensation data compression method and a compensation data decompression method. The display panel includes a data compression unit and a data decompression unit. The data compression unit is used to acquire a plurality of first compensation data and a common parameter, and compress each of the first compensation data into second compensation data according to a preset compression rule based on the first compensation data and the common parameter. The data decompression unit is used to acquire a plurality of second compensation data and the common parameter, and decompress each of the second compensation data into the first compensation data according to a preset decompression rule based on the second compensation data and the common parameter.
-
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.
-
Patent Agency Ranking
66.发明授权公开(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.
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
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.
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.
-
70.发明授权公开(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.
-
-
-
-
-
-
-
-
-
Search Results
76
records
(took 0.021 seconds)
