公开(公告)号：US20170076695A1

公开(公告)日：2017-03-16

申请号：US15162740

申请日：2016-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Ho HWANG ,  Young Seob KIM ,  Ji Tae KIM

IPC: G09G5/10 ,  G09G3/3291 ,  G09G3/3225

CPC classification number: G09G5/10 ,  G09G3/3225 ,  G09G3/3291 ,  G09G2310/027 ,  G09G2320/0238 ,  G09G2320/0276 ,  G09G2320/0673 ,  G09G2330/028 ,  G09G2360/145

Abstract: An organic light emitting display device includes a gamma reference voltage setter to set a gamma reference voltage, a gamma reference voltage generator to generate a gamma reference voltage set by the gamma reference voltage setter, and a gamma voltage generator to generate a gamma voltage based on the gamma reference voltage. The gamma reference voltage setter sets the gamma reference voltage to a first temporary value, increases the first temporary value by a first delta value, searches a second temporary value at which luminance of the display panel is less than a preset value, and sets the gamma reference voltage based on the searched second temporary value.

Abstract translation: 有机发光显示装置包括伽马参考电压设定器，用于设置伽马参考电压，伽马参考电压发生器，以产生由伽马参考电压设定器设置的伽马参考电压;以及伽马电压发生器，以产生基于 伽马参考电压。 伽马参考电压设置器将伽马参考电压设置为第一临时值，将第一临时值增加第一增量值，搜索显示面板的亮度小于预设值的第二临时值，并设置伽马 基于搜索到的第二临时值的参考电压。

公开(公告)号：US20190012961A1

公开(公告)日：2019-01-10

申请号：US16022332

申请日：2018-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Tae KIM ,  Young Seob KIM

IPC: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275

Abstract: An organic light emitting display device comprises a first pixel region including first pixels which are driven in response to data signals when the organic light emitting display device is driven in a first mode and a second mode; a first scan driver which supplies scan signals to first scan lines connected to the first pixels; and a first light emitting driver which supplies light emission control signals to first light emission control lines which are connected to the first pixels. During one frame period in the second mode, the first light emitting driver supplies K light emission control signals to each of the first light emission control lines when a still image is displayed in the first pixel region, and supplies J light emission control signals to each of the light emission control lines when a moving image is displayed in the first pixel region.