公开(公告)号：US20150255019A1

公开(公告)日：2015-09-10

申请号：US14547054

申请日：2014-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee-Sook Park ,  Ji-Hye Eom ,  Sun-Joon Hwang

IPC: G09G3/32

CPC classification number: G09G3/3225 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0285 ,  G09G2330/00 ,  G09G2360/16

Abstract: An organic light emitting display device includes: a display panel including a plurality of pixels; a controller configured to correct input image signals supplied from the outside according to an amount of voltage drop; a data driver configured to supply data signals corresponding to the corrected image signals; and a scan driver configured to supply scan signals to scan lines. The controller includes: a load factor calculator configured to calculate a load factor of a panel; a horizontal block load factor calculator configured to calculate a driving current of a plurality of horizontal blocks formed by dividing the panel according to the scan lines; a voltage drop amount calculator configured to calculate the amount of the voltage drop based on the driving current; and a lookup table generator configured to generate a voltage drop correction lookup table based on the amount of the voltage drop.

Abstract translation: 一种有机发光显示装置，包括：显示面板，包括多个像素; 控制器，被配置为根据电压降量校正从外部提供的输入图像信号; 数据驱动器，被配置为提供对应于所述校正图像信号的数据信号; 以及被配置为向扫描线提供扫描信号的扫描驱动器。 控制器包括：负载因子计算器，被配置为计算面板的负载系数; 水平块负载率计算器，被配置为计算通过根据所述扫描线划分所述面板而形成的多个水平块的驱动电流; 电压降量计算器，被配置为基于所述驱动电流来计算所述电压降的量; 以及查找表生成器，被配置为基于所述电压降的量产生电压降校正查找表。

公开(公告)号：US10276090B2

公开(公告)日：2019-04-30

申请号：US14547054

申请日：2014-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee-Sook Park ,  Ji-Hye Eom ,  Sun-Joon Hwang

IPC: G09G3/3225

Abstract: An organic light emitting display device includes: a display panel including a plurality of pixels; a controller configured to correct input image signals supplied from the outside according to an amount of voltage drop; a data driver configured to supply data signals corresponding to the corrected image signals; and a scan driver configured to supply scan signals to scan lines. The controller includes: a load factor calculator configured to calculate a load factor of a panel; a horizontal block load factor calculator configured to calculate a driving current of a plurality of horizontal blocks formed by dividing the panel according to the scan lines; a voltage drop amount calculator configured to calculate the amount of the voltage drop based on the driving current; and a lookup table generator configured to generate a voltage drop correction lookup table based on the amount of the voltage drop.

公开(公告)号：US10937372B2

公开(公告)日：2021-03-02

申请号：US15163583

申请日：2016-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Byoung-Kwan An ,  Seung-Ho Park ,  Hee-Sook Park ,  Ji-Hye Eom

IPC: G09G3/3291

Abstract: A spot compensating apparatus including a spot compensation data generator configured to generate spot compensation data based on a first precision unit in a first block area having a spot, and based on a second precision unit in a second block area not having the spot, the spot compensation data being for compensating the spot displayed on a display panel configured to display an image based on first image data, the second precision unit having less precision than the first precision unit, and a spot compensator configured to perform a spot compensation on the first image data using the spot compensation data to output second image data.