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公开(公告)号:US11893927B2
公开(公告)日:2024-02-06
申请号:US18151142
申请日:2023-01-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Taek Kim , Kyun Ho Kim , Jae Woo Ryu , Joon Suk Baik , Se Keun Lee , Sang Su Han
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0842 , G09G2310/027 , G09G2310/061 , G09G2310/08 , G09G2320/0233 , G09G2320/0247
Abstract: A display device includes a processor which supplies grayscale data in active periods of frame periods and stops supply of the grayscale data in blank periods of the frame periods, a timing controller which generates a change signal when a difference between a first blank period of a first frame period and a second blank period of a second frame period is greater than a threshold value, a power supply which supplies a first power voltage having a voltage level changed based on the change signal to a first power line, and pixels commonly connected to the first power line.
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公开(公告)号:US11756474B2
公开(公告)日:2023-09-12
申请号:US18148772
申请日:2022-12-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Sang Su Han , Kyun Ho Kim , Seong Jun Kim , Jung Taek Kim , Hyung Keun Park , Joon Suk Baik , Se Keun Lee
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2310/027 , G09G2310/0278
Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
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公开(公告)号:US11574574B2
公开(公告)日:2023-02-07
申请号:US17220087
申请日:2021-04-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Taek Kim , Kyun Ho Kim , Jae Woo Ryu , Joon Suk Baik , Se Keun Lee , Sang Su Han
IPC: G09G3/20
Abstract: A display device includes a processor which supplies grayscale data in active periods of frame periods and stops supply of the grayscale data in blank periods of the frame periods, a timing controller which generates a change signal when a difference between a first blank period of a first frame period and a second blank period of a second frame period is greater than a threshold value, a power supply which supplies a first power voltage having a voltage level changed based on the change signal to a first power line, and pixels commonly connected to the first power line.
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公开(公告)号:US09418584B2
公开(公告)日:2016-08-16
申请号:US14204785
申请日:2014-03-11
Applicant: Samsung Display Co. Ltd.
Inventor: Eun Ho Lee , Su Hyeong Park , Jung Taek Kim , Cheol Woo Park , Ji Woong Jeong
CPC classification number: G09G3/20 , G09G2310/0213
Abstract: A display device includes a display panel including a plurality of scan lines, a plurality of data lines which crosses the plurality of scan lines, and a plurality of pixels that is connected to the plurality of scan lines and the plurality of data lines, a scan driving unit which provides a plurality of scan signals, each of which includes a scan-on signal and a scan-off signal, to the plurality of scan lines, a data driving unit that provides data voltages to the plurality of data lines, and a timing control unit that determines an order in which the scan signals are provided to the plurality of scan lines, where the scan-on signal is provided to each of the plurality of scan lines based on an order of averages of the data voltages transferred to the pixels connected thereto.
Abstract translation: 显示装置包括:显示面板,包括多条扫描线,与多条扫描线交叉的多条数据线;以及与多条扫描线和多条数据线连接的多个像素;扫描 驱动单元,其向所述多条扫描线提供多个扫描信号,每个扫描信号包括扫描信号和扫描关闭信号;数据驱动单元,其向所述多条数据线提供数据电压;以及 定时控制单元,其基于传送到所述多个扫描线的数据电压的平均值的顺序来确定向所述多条扫描线提供扫描信号的顺序,其中所述扫描信号被提供给所述多条扫描线中的每一条 与其连接的像素。
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公开(公告)号:US12165558B2
公开(公告)日:2024-12-10
申请号:US18358428
申请日:2023-07-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Taek Kim , Jae Woo Ryu , Joon Suk Baik , Se Keun Lee
Abstract: A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller. The power supply is configured to generate an initialization voltage to be supplied to a sensing pixel among the pixels. The voltmeter is configured to measure a first value of the initialization voltage supplied to the sensing pixel during an active period of a frame period and a second value of the initialization voltage supplied to the sensing pixel during a vertical blank period of the frame period. The timing controller is configured to generate rewrite image data that is supplied to the sensing pixel during the vertical blank period. The rewrite image data is generated from image data applied to the pixels during the active period and a difference between the first and second values.
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公开(公告)号:US12094392B2
公开(公告)日:2024-09-17
申请号:US18464961
申请日:2023-09-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Sang Su Han , Kyun Ho Kim , Seong Jun Kim , Jung Taek Kim , Hyung Keun Park , Joon Suk Baik , Se Keun Lee
IPC: G09G3/20
CPC classification number: G09G3/2092 , G09G2310/027 , G09G2310/0278
Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
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公开(公告)号:US11741878B2
公开(公告)日:2023-08-29
申请号:US17485771
申请日:2021-09-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jung Taek Kim , Jae Woo Ryu , Joon Suk Baik , Se Keun Lee
CPC classification number: G09G3/2007 , G09G2300/0809 , G09G2310/027 , G09G2310/0267 , G09G2310/08 , G09G2320/043 , G09G2330/021
Abstract: A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller. The power supply is configured to generate an initialization voltage to be supplied to a sensing pixel among the pixels. The voltmeter is configured to measure a first value of the initialization voltage supplied to the sensing pixel during an active period of a frame period and a second value of the initialization voltage supplied to the sensing pixel during a vertical blank period of the frame period. The timing controller is configured to generate rewrite image data that is supplied to the sensing pixel during the vertical blank period. The rewrite image data is generated from image data applied to the pixels during the active period and a difference between the first and second values.
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公开(公告)号:US11699395B2
公开(公告)日:2023-07-11
申请号:US17356292
申请日:2021-06-23
Applicant: Samsung Display Co., Ltd.
Inventor: Yun Ki Baek , Joon Chul Goh , Jung Taek Kim
IPC: G09G3/3241
CPC classification number: G09G3/3241 , G09G2310/061 , G09G2310/08 , G09G2360/142
Abstract: A display device according to some embodiments includes pixels divided into pixel rows arranged in a horizontal direction, and including a light emitting element, and a first transistor for applying a drive current to the light emitting element, and a sensing driver configured to receive a sensing value extracted from one or more of the pixels, wherein at least one pixel row of the pixel rows is configured to be driven in one frame including an emission period in which the light emitting element emits light after a data voltage is applied to the pixels, and an active sensing period for sensing a characteristic of the first transistor.
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公开(公告)号:US11138940B2
公开(公告)日:2021-10-05
申请号:US17007268
申请日:2020-08-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Sang Su Han , Kyun Ho Kim , Jung Taek Kim , Joon Suk Baik , Se Keun Lee
IPC: G09G3/3266 , G09G3/3291 , H01L27/32
Abstract: A display device includes a scan driver which includes a first stage including a first output terminal connected to a first carry line, a second output terminal connected to a first scan line, and a third output terminal connected to a first sensing line, and a second stage including a first input terminal connected to the first carry line, a fourth output terminal connected to a second scan line, and a fifth output terminal connected to a second sensing line. In a sensing period, signals having a turn-on level are respectively output from the first output terminal, the second output terminal, and the third output terminal during a predetermined delay period before signals having a turn-on level are respectively output from the fourth output terminal and the fifth output terminal.
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公开(公告)号:US11132949B2
公开(公告)日:2021-09-28
申请号:US16983314
申请日:2020-08-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Kyun Ho Kim , Jung Taek Kim , Jae Woo Ryu , Joon Suk Baik , Yong Jin Shin , Uk Jae Jang , Ki Hyun Pyun , Sang Su Han
IPC: G09G3/3233
Abstract: A compensation method of a display device includes: sensing a first luminance of the display device when a first pattern is displayed on the display device; calculating a luminance prediction value corresponding to a second pattern to be displayed on the display device based on the first luminance, where the second pattern is different from the first pattern; sensing a second luminance of the display device when the second pattern is displayed on the display device; adjusting a current flowing in a first power line of the display device until the second luminance reaches the luminance prediction value; and storing compensation data corresponding to an adjusted current in a lookup table when the second luminance reaches the luminance prediction value.
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