公开(公告)号：US09715848B2

公开(公告)日：2017-07-25

申请号：US14102760

申请日：2013-12-11

Applicant: LG Display Co., Ltd.

Inventor： Hyung Rae Kim ,  Seung Chan Byun ,  Jung Yoon Yi ,  Kyoung Sik Choi ,  Dae Hyeon Park ,  Ui Taek Jeong ,  Boeon Byeon

IPC: G09G3/32 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2320/043 ,  G09G2320/048 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

公开(公告)号：US20140168039A1

公开(公告)日：2014-06-19

申请号：US14102760

申请日：2013-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyung Rae Kim ,  Seung Chan Byun ,  Jung Yoon Yi ,  Kyoung Sik Choi ,  Dae Hyeon Park ,  Ui Taek Jeong ,  Boeon Byeon

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/0842 ,  G09G2320/043 ,  G09G2320/048 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel having a plurality of sub-pixels; a memory configured to accumulate and store data displayed by each sub-pixel; and a panel driver configured to: calculate a degradation compensation gain value for increasing or decreasing a luminance of each sub-pixel based on accumulated data of each sub-pixel stored in the memory, generate modulated data of each sub-pixel by modulating input data to each sub-pixel according to the calculated degradation compensation gain value, convert the modulated data into a data voltage, and accumulate the modulated data from the accumulated data of the corresponding sub-pixel and then store the data in the memory.

Abstract translation: 有机发光显示装置包括具有多个子像素的显示面板; 存储器，被配置为累积和存储由每个子像素显示的数据; 以及面板驱动器，被配置为：基于存储在存储器中的每个子像素的累积数据，计算用于增加或减少每个子像素的亮度的劣化补偿增益值，通过调制输入数据生成每个子像素的调制数据 根据计算出的劣化补偿增益值将每个子像素转换为每个子像素，将调制数据转换为数据电压，并从相应子像素的累积数据累加调制数据，然后将数据存储在存储器中。

公开(公告)号：US09430965B2

公开(公告)日：2016-08-30

申请号：US14096180

申请日：2013-12-04

Applicant: LG Display Co., Ltd.

Inventor： Seung Chan Byun ,  Hyung Rae Kim

IPC: G09G5/10 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3208 ,  G09G2320/0673 ,  G09G2330/021 ,  G09G2340/16 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels each having an organic light emitting element that emits light according to a current corresponding to a data voltage, and a panel driver configured to divide the display panel into first to Mth blocks, calculate an average picture level of each block from data to be displayed in each of the plurality of pixels of each block, convert the data to be displayed by each of the plurality of pixels of each block into the data voltage, and supply the data voltage to each of the plurality of pixels of each block, where the panel driver controls the data voltage to be supplied to an ith block on the basis of the average picture levels of M number of blocks previous to the ith block, where i is a natural number from 1 to M.

Abstract translation: 有机发光显示装置包括：显示面板，包括多个像素，每个像素具有根据与数据电压相对应的电流发光的有机发光元件;以及面板驱动器，被配置为将显示面板划分为第一至第M块 从要在每个块的多个像素中的每一个中显示的数据计算每个块的平均图像水平，将每个块的多个像素中的每一个的要显示的数据转换为数据电压，并将数据 电压到每个块的多个像素中的每一个，其中面板驱动器基于第i个块之前的M个块的平均图像电平来控制要提供给第i个块的数据电压，其中i是 自然数从1到M.

公开(公告)号：US20140152721A1

公开(公告)日：2014-06-05

申请号：US14096180

申请日：2013-12-04

Applicant: LG Display Co., Ltd.

Inventor： Seung Chan Byun ,  Hyung Rae Kim

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3208 ,  G09G2320/0673 ,  G09G2330/021 ,  G09G2340/16 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels each having an organic light emitting element that emits light according to a current corresponding to a data voltage, and a panel driver configured to divide the display panel into first to Mth blocks, calculate an average picture level of each block from data to be displayed in each of the plurality of pixels of each block, convert the data to be displayed by each of the plurality of pixels of each block into the data voltage, and supply the data voltage to each of the plurality of pixels of each block, where the panel driver controls the data voltage to be supplied to an ith block on the basis of the average picture levels of M number of blocks previous to the ith block, where i is a natural number from 1 to M.

Abstract translation: 有机发光显示装置包括：显示面板，包括多个像素，每个像素具有根据与数据电压相对应的电流发光的有机发光元件;以及面板驱动器，被配置为将显示面板划分为第一至第M块 从要在每个块的多个像素中的每一个中显示的数据计算每个块的平均图像水平，将每个块的多个像素中的每一个的要显示的数据转换为数据电压，并将数据 电压到每个块的多个像素中的每一个，其中面板驱动器基于第i个块之前的M个块的平均图像电平来控制要提供给第i个块的数据电压，其中i是 自然数从1到M.