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公开(公告)号:US11605338B2
公开(公告)日:2023-03-14
申请号:US17233260
申请日:2021-04-16
Applicant: Samsung Display Co., Ltd.
Inventor: Eunjin Choi , Wonjin Seo , Kihyun Pyun
IPC: G09G3/3208
Abstract: A driving controller includes: a logo determiner configured to determine whether or not input image data includes a logo; a logo grayscale value calculator configured to calculate a logo grayscale value of a logo area corresponding to the logo in response to the input image data including the logo; a light emitting element life expectancy determiner configured to determine a life expectancy of a light emitting element corresponding to the logo area; a compensation reference grayscale value generator configured to determine a compensation reference grayscale value according to the life expectancy of the light emitting element corresponding to the logo area; and a logo luminance compensator configured to compare the logo grayscale value to the compensation reference grayscale value to determine whether or not to compensate a luminance of the logo area.
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公开(公告)号:US11587488B2
公开(公告)日:2023-02-21
申请号:US17582458
申请日:2022-01-24
Applicant: Samsung Display Co., Ltd.
Inventor: Kihyun Pyun , Wonjin Seo
IPC: G09G3/20
Abstract: A display apparatus include a display panel and a display panel driver. The display panel includes a panel block. The display panel driver senses a driving current to generate a sensing current, generates a temperature weight of the panel block based on the sensing current and location information of a circuit component, generates a load value of the panel block based on input image data, and generates a predicted temperature of the panel block based on the temperature weight of the panel block and the load value of the panel block.
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公开(公告)号:US10339874B2
公开(公告)日:2019-07-02
申请号:US15714020
申请日:2017-09-25
Applicant: Samsung Display Co., Ltd.
Inventor: Hyeonuk Won , Jang-Mi Lee , Wonjin Seo , Hyun-Sik Yoon
IPC: G09G3/36 , G09G3/3258 , G09G3/3275
Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a timing controller. The display panel displays an image. The gate driver outputs a gate signal to the display panel. The data driver includes a plurality of data driving chips which outputs data voltages to the display panel based on data signals. The timing controller adjusts a waveform of the data signals based on a temperature of the data driving chips.
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公开(公告)号:US11942060B2
公开(公告)日:2024-03-26
申请号:US17201837
申请日:2021-03-15
Applicant: Samsung Display Co., Ltd.
Inventor: Eunjin Choi , Wonjin Seo , Kihyun Pyun
IPC: G09G5/10 , G09G3/3291
CPC classification number: G09G5/10 , G09G3/3291 , G09G2310/0243 , G09G2320/0257 , G09G2330/028
Abstract: A display apparatus includes: a display panel including: a gate line; a data line; and a pixel electrically connected to the gate line and the data line, and to display a normal image and a compensation image; a gate driver to output a gate signal to the gate line; a data driver to output a data voltage to the data line; and a power voltage generator to vary a level of a gate power voltage based on a compensation duty ratio corresponding to a ratio between a display duration of the normal image and a display duration of the compensation image.
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公开(公告)号:US11640783B2
公开(公告)日:2023-05-02
申请号:US17501998
申请日:2021-10-14
Applicant: Samsung Display Co., Ltd.
Inventor: Kihyun Pyun , Wonjin Seo , Eunjin Choi
IPC: G09G3/20
Abstract: A driving controller set includes a net power control setter, a data clamper, a data line, and a data driver. The net power control setter may determine a first scale factor for adjusting a grayscale value of (N+1)-th frame data based on a load of N-th frame data and a net power control reference value. N is an integer equal to or greater than two. The data clamper may determine a second scale factor for adjusting a grayscale value of the N-th frame data based on a load of (N−1)-th frame data and the N-th frame data. A data signal may be generated using the first scale factor and/or the second scale factor. The data line may include a conductive material. The data driver may convert the data signal into a data voltage and may output the data voltage to the data line.
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公开(公告)号:US12175900B2
公开(公告)日:2024-12-24
申请号:US18132967
申请日:2023-04-11
Applicant: Samsung Display Co., Ltd.
Inventor: Hyun-Sik Yoon , Jongwoon Kim , Wonjin Seo , Kihyun Sung , Kihong Song , Yeseul Lee , Daeho Hwang
IPC: G09G3/00 , G09G3/3233
Abstract: A display device is disclosed that includes a display panel including a plurality of pixels, a printed circuit board connected to the display panel, a temperature sensor disposed on the printed circuit board, a flexible circuit board that connects the display panel to the printed circuit board, a data driver disposed on the flexible circuit board, and a temperature sensing part disposed on the printed circuit board. The flexible circuit board is bent such that the printed circuit board is disposed under the display panel and the temperature sensor is disposed adjacent to a sensing pixel outputting a sensing current among the pixels.
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公开(公告)号:US11908401B2
公开(公告)日:2024-02-20
申请号:US18183124
申请日:2023-03-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Eunjin Choi , Wonjin Seo , Kihyun Pyun
IPC: G09G3/3208
CPC classification number: G09G3/3208 , G09G2320/0233 , G09G2320/04 , G09G2320/043 , G09G2320/046 , G09G2320/048 , G09G2320/062 , G09G2320/0686
Abstract: A driving controller includes: a logo determiner configured to determine whether or not input image data includes a logo; a logo grayscale value calculator configured to calculate a logo grayscale value of a logo area corresponding to the logo in response to the input image data including the logo; a light emitting element life expectancy determiner configured to determine a life expectancy of a light emitting element corresponding to the logo area; a compensation reference grayscale value generator configured to determine a compensation reference grayscale value according to the life expectancy of the light emitting element corresponding to the logo area; and a logo luminance compensator configured to compare the logo grayscale value to the compensation reference grayscale value to determine whether or not to compensate a luminance of the logo area.
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8.
公开(公告)号:US20230222970A1
公开(公告)日:2023-07-13
申请号:US18183124
申请日:2023-03-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Eunjin Choi , Wonjin Seo , Kihyun Pyun
IPC: G09G3/3208
CPC classification number: G09G3/3208 , G09G2320/043 , G09G2320/062 , G09G2320/048 , G09G2320/046 , G09G2320/0233 , G09G2320/0686 , G09G2320/04
Abstract: A driving controller includes: a logo determiner configured to determine whether or not input image data includes a logo; a logo grayscale value calculator configured to calculate a logo grayscale value of a logo area corresponding to the logo in response to the input image data including the logo; a light emitting element life expectancy determiner configured to determine a life expectancy of a light emitting element corresponding to the logo area; a compensation reference grayscale value generator configured to determine a compensation reference grayscale value according to the life expectancy of the light emitting element corresponding to the logo area; and a logo luminance compensator configured to compare the logo grayscale value to the compensation reference grayscale value to determine whether or not to compensate a luminance of the logo area.
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9.
公开(公告)号:US11501702B2
公开(公告)日:2022-11-15
申请号:US17335501
申请日:2021-06-01
Applicant: Samsung Display Co., Ltd.
Inventor: Wonjin Seo , Eunjin Choi , Kihyun Pyun
IPC: G09G3/3208 , H01L27/32
Abstract: An electronic device includes a display panel which includes a plurality of light emitting elements and in which a plurality of areas is defined based on the plurality of light emitting elements, a compensation unit which calculates compensation values for image data provided to each of the plurality of areas, and a control unit which controls the output of the image data provided to the display panel based on the compensation values and the image data, where the control unit may include a correction unit which outputs a correction ratio of each of the plurality of areas based on the compensation values and a comparison unit which determines whether an input current of the image data is in a normal range based on the correction ratio.
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10.
公开(公告)号:US11170691B2
公开(公告)日:2021-11-09
申请号:US17149610
申请日:2021-01-14
Applicant: Samsung Display Co., Ltd.
Inventor: Kihyun Pyun , Wonjin Seo , Eunjin Choi
IPC: G09G3/20
Abstract: A driving controller set includes a net power control setter, a data clamper, a data line, and a data driver. The net power control setter may determine a first scale factor for adjusting a grayscale value of (N+1)-th frame data based on a load of N-th frame data and a net power control reference value. N is an integer equal to or greater than two. The data clamper may determine a second scale factor for adjusting a grayscale value of the N-th frame data based on a load of (N−1)-th frame data and the N-th frame data. A data signal may be generated using the first scale factor and/or the second scale factor. The data line may include a conductive material. The data driver may convert the data signal into a data voltage and may output the data voltage to the data line.
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