公开(公告)号：US10762850B2

公开(公告)日：2020-09-01

申请号：US15856807

申请日：2017-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo Choi ,  Jae Du Noh ,  Seung Yeon Cho

IPC: G09G5/00 ,  G09G3/3266 ,  G09G3/3275 ,  H04N13/344 ,  H04N13/356 ,  H04N13/359

Abstract: A display device includes a display area to display an image in different areas, the display area including first, second, and third pixel areas that are sequentially arranged, first pixels and first scan lines in the first pixel area, second pixels and second scan lines in the second pixel area, third pixels and third scan lines in the third pixel area, a first scan driver to drive the first scan lines, a second scan driver to drive the second scan lines, and a third scan driver to drive the third scan lines, wherein the second scan lines are sequentially driven, and the third scan lines are driven for a first period during which the second scan lines are driven, and the first scan lines are driven by the first scan driver for a second period, which is after the first period, during which the second scan lines are driven.

公开(公告)号：US20200027389A1

公开(公告)日：2020-01-23

申请号：US16513627

申请日：2019-07-16

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu Kang ,  Sang Moo Choi ,  Dongsun Lee

IPC: G09G3/325 ,  G09G3/3266

Abstract: A display device includes: a display panel including: a scan line, a data line, and an emission control line; a pixel including: a plurality of transistors connected to the scan line, the data line and the emission control line; and an organic light-emitting diode driven by the plurality of transistors, and a scan driver configured to: in response to an image mode being a moving image mode, generate a first mode scan signal having a turning-on voltage of a transistor for a plurality of horizontal periods; and in response to the image mode being a static image mode, generate a second mode scan signal having the turning-on voltage for a single horizontal period.

公开(公告)号：US20200013334A1

公开(公告)日：2020-01-09

申请号：US16506434

申请日：2019-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Kyu KANG ,  Sang Moo Choi ,  Soo Hee Oh ,  Dongsun Lee

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3283 ,  G09G3/3291 ,  G09G3/36

Abstract: A display device includes a scan driver configured to provide a scan signal to the scan line, the scan signal having an ON voltage for turning on a transistor in a plurality of horizontal periods including a current horizontal period and at least one previous horizontal period corresponding to the scan signal, and a grayscale data processor configured to correct current grayscale data of a current pixel corresponding to the current horizontal period to generate correction grayscale data based on previous grayscale data of a previous pixel corresponding to the previous horizontal period, the current pixel included in a same pixel column as the previous pixel.

公开(公告)号：US20190057650A1

公开(公告)日：2019-02-21

申请号：US15907144

申请日：2018-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo Choi ,  Ji Hyun Ka ,  Won Kyu Kwak ,  Jin Jeon ,  Jin Tae Jeong

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2330/12

Abstract: An organic light emitting display device includes pixels connected to scan lines, data lines, and emission control lines to emit light components in response to amounts of current that flow from a first driving power source to a second driving power source, a sensing unit connected between the first or second driving power source and the pixels to measure to at least one of current and voltage, a controller to sense a control signal in response to at least one of the current and the voltage measured by the sensing unit, a timing controller to supply a plurality of emission start signals with different widths in a one frame period in response to the control signal when the organic light emitting display device is driven at a low frequency, and an emission driver to supply emission control signals to the emission control lines in response to the emission start signals.

公开(公告)号：US20180197480A1

公开(公告)日：2018-07-12

申请号：US15856807

申请日：2017-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo Choi ,  Jae Du Noh ,  Seung Yeon Cho

IPC: G09G3/3266 ,  G09G3/3275

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G09G2310/0213 ,  G09G2310/0218 ,  G09G2310/08 ,  G09G2320/0257 ,  H04N13/344 ,  H04N13/356 ,  H04N13/359

Abstract: A display device includes a display area to display an image in different areas, the display area including first, second, and third pixel areas that are sequentially arranged, first pixels and first scan lines in the first pixel area, second pixels and second scan lines in the second pixel area, third pixels and third scan lines in the third pixel area, a first scan driver to drive the first scan lines, a second scan driver to drive the second scan lines, and a third scan driver to drive the third scan lines, wherein the second scan lines are sequentially driven, and the third scan lines are driven for a first period during which the second scan lines are driven, and the first scan lines are driven by the first scan driver for a second period, which is after the first period, during which the second scan lines are driven.