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公开(公告)号:US11758663B2
公开(公告)日:2023-09-12
申请号:US17892634
申请日:2022-08-22
Applicant: Samsung Display Co., LTD.
Inventor: Won Tae Kim , Ji Hye Kim , Jae Hyeon Jeon
CPC classification number: H05K1/147 , G09G3/20 , H05K1/028 , H05K1/189 , H05K5/0017 , H05K2201/056 , H05K2201/09063 , H05K2201/10128
Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.
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公开(公告)号:US11263976B2
公开(公告)日:2022-03-01
申请号:US17027876
申请日:2020-09-22
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jin Wook Yang , Ji Hye Kim , Young Ha Sohn , Dong Gyu Lee , Jae Hyeon Jeon
IPC: G09G3/3266 , G09G3/3233
Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.
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公开(公告)号:US11640794B2
公开(公告)日:2023-05-02
申请号:US17680612
申请日:2022-02-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jin Wook Yang , Ji Hye Kim , Young Ha Sohn , Dong Gyu Lee , Jae Hyeon Jeon
IPC: G09G3/3266 , G09G3/3233
Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.
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公开(公告)号:US11636829B2
公开(公告)日:2023-04-25
申请号:US16789083
申请日:2020-02-12
Applicant: Samsung Display Co., Ltd.
Inventor: Ji Hye Kim , Jae Hyeon Jeon
Abstract: A display device includes a display panel including a first display area and a second display area adjacent to the first display area, a processor configured to generate first image data corresponding to the first and second display areas for a first mode, and to generate second image data corresponding to the first display area for a second mode, and a display driver configured to drive the display panel in response to the first image data in the first mode, and to drive the display panel in response to the second image data in the second mode, wherein a supplementary image is displayed in at least a portion of the second display area in the second mode.
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公开(公告)号:US11462156B2
公开(公告)日:2022-10-04
申请号:US17000404
申请日:2020-08-24
Applicant: Samsung Display Co., Ltd.
Inventor: Jin Wook Yang , Yu Chol Kim , Ji Hye Kim , Young Ha Sohn , Jae Hyeon Jeon
IPC: G09G3/3208
Abstract: The present disclosure relates to a display device and a method of driving the same. The display device includes a substrate, a display panel including a first display area including first pixels, a second display area including second pixels, and a third display area disposed between the first and second display areas and including third pixels, and a component disposed between the substrate and the display panel so as to overlap the second display area. Transmittance of the second display area is higher than transmittance of the first display area and transmittance of the third display area, and the third pixels are controlled such that a luminance gradually changes according to a distance from the second display area.
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公开(公告)号:US12154485B2
公开(公告)日:2024-11-26
申请号:US18133615
申请日:2023-04-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Se Hyuk Park , Hong Soo Kim , Young Ha Sohn , Jin Wook Yang , Dong Gyu Lee , Jae Hyeon Jeon
IPC: G09G3/32
Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.
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公开(公告)号:US11425819B2
公开(公告)日:2022-08-23
申请号:US16796601
申请日:2020-02-20
Applicant: Samsung Display Co., LTD.
Inventor: Won Tae Kim , Ji Hye Kim , Jae Hyeon Jeon
Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.
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公开(公告)号:US11355053B2
公开(公告)日:2022-06-07
申请号:US16709666
申请日:2019-12-10
Applicant: Samsung Display Co., Ltd.
Inventor: Won Tae Kim , Ji Hye Kim , Jae Hyeon Jeon
Abstract: A source driver includes a plurality of output buffers configured to output data signals respectively corresponding to a plurality of data lines, and an output controller configured to control a timing at which each of the data signals corresponding to second image data is transferred from the output buffers to the data lines based on a difference between first image data and the second image data.
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公开(公告)号:US11386844B2
公开(公告)日:2022-07-12
申请号:US16943197
申请日:2020-07-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jae Hyeon Jeon , Joon Chul Goh , Jin Wook Yang , Ki Hong Song
IPC: G09G3/3258 , G09G3/3266
Abstract: A display device includes: a plurality of pixels, where each of the pixels includes a light emitting device and a pixel circuit coupled to the light emitting device; a scan driver which supplies a scan signal to the pixel circuit; a data driver which supplies a data signal to the pixel circuit; a power supply which supplies a voltage to the pixel circuit; a timing controller which controls the scan driver; a first signal generator which provides a first clock signal to the timing controller; and a second signal generator which provides a second clock signal to the timing controller.
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公开(公告)号:US11341934B2
公开(公告)日:2022-05-24
申请号:US17162138
申请日:2021-01-29
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Dong Gyu Lee , Ji Hye Kim , Jin Wook Yang , Jae Hyeon Jeon
Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.
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