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公开(公告)号：US11176867B2
公开(公告)日：2021-11-16
申请号：US16620134
申请日：2019-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fei Yang , Mingi Chu , Lirong Wang
IPC: G09G3/20 , G09G3/3208
Abstract: Disclosed are a chroma compensation method and apparatus, a display device and a storage medium. The chroma compensation method includes: acquiring an initial color of a display sub-pixel in a target pixel unit under a target luminance, and a target color of the target pixel unit under the target luminance, the target pixel unit including: at least two display sub-pixels of different light colors; acquiring a complementary color gain of each of the display sub-pixels under the target luminance based on the target color and the initial color of each of the display sub-pixels; and compensating for chrominance of the target pixel unit based on the complementary color gain of each of the display sub-pixels under the target luminance.
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公开(公告)号：US10937365B2
公开(公告)日：2021-03-02
申请号：US16520542
申请日：2019-07-24
Applicant: BOE Technology Group Co., Ltd.
Inventor： Fei Yang , Yi Chen , Xiaolong Wei
IPC: G09G3/3241 , G09G3/3275
Abstract: The present disclosure provides a temperature compensation method and device, and a display apparatus. In the temperature compensation method, a temperature value of a driving transistor corresponding to a light emitting device in the display apparatus is determined according to a photoelectric display signal of the display apparatus and/or an anode voltage signal of the light emitting device, and an electrical parameter offset of the driving transistor is calculated according to the temperature value, so as to perform real-time temperature compensation on a date line signal such as a gate voltage.
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33.发明授权公开(公告)号：US10803811B2
公开(公告)日：2020-10-13
申请号：US16554034
申请日：2019-08-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lirong Wang , Fei Yang
IPC: G09G3/3275
Abstract: The present application provides a driver for driving a display panel. The driver includes a timing controller, and N cascaded source drivers, N being an integer equal to or larger than 2. The N source drivers are configured to receive sensing signals obtained by detecting characteristics of pixel units in the display panel, respectively. An n-th source driver of the N source drivers is configured to transmit the sensing signal received by the n-th source driver to the timing controller through all source drivers of the N source drivers after the n-th source driver as a signal transmission channel, where 1≤n
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34.发明申请公开(公告)号：US20190103059A1
公开(公告)日：2019-04-04
申请号：US16146425
申请日：2018-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Fei Yang , Song Meng , Yue Wu , Lirong Wang
IPC: G09G3/3258
Abstract: The present disclosure relates to a compensation circuit and a method for controlling the same, a display panel and a display device. The compensation circuit includes a sensing line for receiving a current from the source to the drain of the first transistor The compensation circuit includes a first switch having a terminal electrically connected to the sensing line. The compensation circuit includes a current sensor electrically connected to another terminal of the first switch and configured to determine a value of a current on the sensing line when the first transistor is turned on and the first switch is closed The compensation circuit includes a controller electrically connected to the current sensor and the data line for adjusting a data signal input to the data line according to the value of the current.
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公开(公告)号：US09947273B2
公开(公告)日：2018-04-17
申请号：US15220080
申请日：2016-07-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Song Meng , Danna Song , Yang Zhou , Fei Yang
IPC: G09G3/3258
CPC classification number: G09G3/3258 , G09G3/20 , G09G2300/043 , G09G2300/0452 , G09G2320/0233
Abstract: The present disclosure provides a voltage drop compensation method, a voltage drop compensation device and a display device. The voltage drop compensation method includes steps of determining a voltage drop for a power signal corresponding to each subpixel set; determining a first equivalent brightness reduction value corresponding to the voltage drop; calculating an initial brightness value for each subpixel in the subpixel set; calculating a sum of the first equivalent brightness reduction value corresponding to the subpixel set and the initial brightness value as a target brightness value for each subpixel in the subpixel set; and generating a driving signal for each subpixel in accordance with the target brightness value for each subpixel in the subpixel set, and outputting the driving signal.
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Patent Agency Ranking
公开(公告)号：US09892675B2
公开(公告)日：2018-02-13
申请号：US14769757
申请日：2014-11-12
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chen Zhang , Fei Yang , Dongfang Wang
IPC: G09G3/32 , G09G3/3225 , G01R31/44 , H01L27/32
CPC classification number: G09G3/3225 , G01R31/44 , G09G3/006 , G09G3/32 , G09G3/3233 , G09G2360/147 , G09G2360/148 , H01L27/3244 , H01L27/3269
Abstract: The present disclosure provides an organic light-emitting diode (OLED) display apparatus, including a plurality of subpixels, each of which includes an anode, a cathode and a light-emitting layer. The OLED display apparatus further includes at least one photovoltaic conversion module arranged in correspondence with the subpixel, and configured to receive an optical signal from the light-emitting layer of the corresponding subpixel and convert the received optical signal into an electric signal. A testing terminal is extracted from the photovoltaic conversion module and configured to acquire the electric signal converted by the photovoltaic conversion module.
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公开(公告)号：US09886881B2
公开(公告)日：2018-02-06
申请号：US14770916
申请日：2014-09-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Chen Zhang , Fei Yang
CPC classification number: G09G3/2003 , G09G5/02 , G09G2300/0452 , G09G2320/0666 , G09G2340/06
Abstract: A method and device for image conversion from RGB signals into RGBW signals, after converting the RGB luminance input values into RGBW luminance output values, determine color-cast-removed RGBW luminance output values respectively, according to a position relationship between RGBW color coordinate values to which the RGBW luminance output values correspond respectively and a predetermined actual color coordinate value of a color having monochromatic color cast among RGBW in a chromaticity diagram, and thereafter convert the color-cast-removed RGBW luminance output values into corresponding RGBW output signals respectively and output the same. By means of the above method provided in the present disclosure, color having monochromatic shifting among RGBW can be compensated back to the expected RGBW color coordinates and luminance values, so the problems of color gamut deviation and color distortion caused by RGBW monochromatic color cast are eliminated, color gamut of the displayed image is more accurate.
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38.发明授权公开(公告)号：US09570015B2
公开(公告)日：2017-02-14
申请号：US14422819
申请日：2014-05-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Fei Yang , Chen Zhang
CPC classification number: G09G3/3413 , G09G3/2003 , G09G3/2096 , G09G3/3208 , G09G5/04 , G09G5/06 , G09G2300/0452 , G09G2320/0238 , G09G2320/0626 , G09G2320/0673 , G09G2330/021 , G09G2330/023 , G09G2340/06
Abstract: The present invention discloses a signal conversion device, a signal conversion method and a display device. The signal conversion device includes a gamma conversion unit, a brightness detection unit and a brightness processing unit, wherein the gamma conversion unit is used for performing a gamma conversion process on RGB input signals and generating RGB brightness input values; the brightness detection unit is used for generating a W brightness input value based on RGB proportional coefficients and the RGB brightness input values; and the brightness processing unit is used for generating RGBW output signals based on the RGB proportional coefficients, the RGB brightness input values and the W brightness input value. With the present invention, the brightness of a displayed image can be increased without increasing the power consumption, so that the contrast of the displayed image is increased, and the display quality of the image is also improved.
Abstract translation: 本发明公开了一种信号转换装置，信号转换方法和显示装置。 信号转换装置包括伽马转换单元，亮度检测单元和亮度处理单元，其中伽马转换单元用于对RGB输入信号执行伽马转换处理并产生RGB亮度输入值; 亮度检测单元用于基于RGB比例系数和RGB亮度输入值产生W亮度输入值; 并且亮度处理单元用于基于RGB比例系数，RGB亮度输入值和W亮度输入值产生RGBW输出信号。 利用本发明，可以增加显示图像的亮度，而不增加功耗，使得显示图像的对比度增加，并且图像的显示质量也得到改善。
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公开(公告)号：US20240194689A1
公开(公告)日：2024-06-13
申请号：US17905002
申请日：2021-11-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Tianji Li , Fei Yang , Mingi Chu , Yi Chen , Lirong Wang , Yu Wang , Zhiqiang Dong , Jingbo Xu
CPC classification number: H01L27/124 , H01L25/167
Abstract: A driving apparatus is provided. The driving apparatus includes an integrated circuit chip; an input wiring pattern connected to the integrated circuit chip, and configured to be connected to a circuit board; and an output wiring pattern including a plurality of output wires connected to the integrated circuit chip, and configured to be connected to a display panel. The plurality of output wires are arranged in a first bonding region, at least two output wires of the plurality of output wires have different average line widths.
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公开(公告)号：US11804184B2
公开(公告)日：2023-10-31
申请号：US17607831
申请日：2020-11-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Tangxiang Wang , Fei Yang
IPC: G11C19/28 , G09G3/3266 , G09G3/3275
CPC classification number: G09G3/3266 , G11C19/28 , G09G3/3275 , G09G2300/0426 , G09G2310/027 , G09G2310/0286 , G09G2310/0291 , G09G2310/08
Abstract: A source driver includes a plurality of shift register groups cascaded in sequence, an enable control circuit and at least one switching circuit electrically connected to the enable control circuit. Each shift register group includes a plurality of stages of shift registers, and is configured to sample digitized image data; a first start signal of an n-th shift register group is output by an (n−1)-th shift register group, n is a positive integer greater than 2. The enable control circuit is configured to output a first turn-on signal or a first turn-off signal. In two adjacent shift register groups, a last-stage shift register in a present shift register group is electrically connected to a first-stage shift register in a next shift register group through a switching circuit.
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