公开(公告)号：US09898963B2

公开(公告)日：2018-02-20

申请号：US14945216

申请日：2015-11-18

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Hyun Lee ,  Jong-Woon Kim

IPC: G09G3/30 ,  G09G3/3241 ,  G09G3/3291

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0243

Abstract: An organic light emitting display device is disclosed. One inventive aspect includes a plurality of pixels provided at a region sectioned by scan lines and data lines and an initialization power unit. The plurality of pixels are configured to control the amount of a current flowing from a first power source to a second power source through an organic light emitting diode in response to a data signal. The initialization power unit supplies initialization power to a driving transistor within each pixel circuit. The initialization power unit further controls the voltage of the initialization power supply to maintain a substantially constant voltage difference between the second power source and the initialization power.

公开(公告)号：USRE49922E1

公开(公告)日：2024-04-16

申请号：US16796896

申请日：2020-02-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Hyun Lee ,  Jong-Woon Kim

IPC: G09G3/3241 ,  G09G3/3291

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0243

Abstract: An organic light emitting display device is disclosed. One inventive aspect includes a plurality of pixels provided at a region sectioned by scan lines and data lines and an initialization power unit. The plurality of pixels are configured to control the amount of a current flowing from a first power source to a second power source through an organic light emitting diode in response to a data signal. The initialization power unit supplies initialization power to a driving transistor within each pixel circuit. The initialization power unit further controls the voltage of the initialization power supply to maintain a substantially constant voltage difference between the second power source and the initialization power.

公开(公告)号：US09847074B2

公开(公告)日：2017-12-19

申请号：US14836261

申请日：2015-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woon Kim

IPC: G09G5/10 ,  G09G3/20

CPC classification number: G09G5/10 ,  G09G3/2003 ,  G09G2320/0242 ,  G09G2320/0276 ,  G09G2320/0646 ,  G09G2320/0673 ,  G09G2360/12

Abstract: A display device and a data compensating device for a display device are disclosed. In one aspect, the data compensating device includes a converter configured to convert image data corresponding to a plurality of pixels in a display panel into input grayscale data and provide the input grayscale data. A brightness ratio calculator is configured to calculate a brightness ratio of the input grayscale data for each pixel based on a predetermined gamma value and a maximum grayscale data. The data compensating device also includes a compensating coefficient output unit configured to output a predetermined compensating coefficient based on the brightness ratio, and a compensating data calculator configured to calculate compensating grayscale data corresponding to all of the grayscale data based on the compensating coefficient. A data output unit is configured to provide the compensating grayscale data corresponding to the input grayscale data as output grayscale data to the pixels.

公开(公告)号：US09928800B2

公开(公告)日：2018-03-27

申请号：US15145066

申请日：2016-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong-Woon Kim ,  Ja-Hun Koo ,  Kyu-Jin Park ,  Su-Han Woo

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/2074 ,  G09G3/3607 ,  G09G3/3648 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0469 ,  G09G2300/08 ,  G09G2310/0289 ,  G09G2310/0291 ,  G09G2310/08

Abstract: A display apparatus includes a display panel. The display panel includes a high sub-pixel, a low sub-pixel and a toggle voltage input circuit. The high sub-pixel may include a first switching element connected to a gate line extending in a first direction and a data line extending in a second direction crossing with the first direction. The low sub-pixel may include a second switching element connected to the gate line and the data line and disposed opposite to the high sub-pixel with reference to the gate line, and a third switching element connected to the second switching element and a storage line. The toggle voltage input circuit may be connected to the storage line to transmit a toggle voltage to the low sub-pixel. The toggle voltage may be capable of being varied periodically.

公开(公告)号：US09208727B2

公开(公告)日：2015-12-08

申请号：US14038562

申请日：2013-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Hyun Lee ,  Jong-Woon Kim

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0243

Abstract: An organic light emitting display device is disclosed. One inventive aspect includes a plurality of pixels provided at a region sectioned by scan lines and data lines and an initialization power unit. The plurality of pixels are configured to control the amount of a current flowing from a first power source to a second power source through an organic light emitting diode in response to a data signal. The initialization power unit supplies initialization power to a driving transistor within each pixel circuit. The initialization power unit further controls the voltage of the initialization power supply to maintain a substantially constant voltage difference between the second power source and the initialization power.

Abstract translation: 公开了一种有机发光显示装置。 一个创造性方面包括设置在由扫描线和数据线划分的区域处的多个像素和初始化功率单元。 多个像素被配置为响应于数据信号来控制通过有机发光二极管从第一电源流向第二电源的电流量。 初始化功率单元向每个像素电路内的驱动晶体管提供初始化功率。 初始化功率单元进一步控制初始化电源的电压，以在第二电源和初始化功率之间保持基本恒定的电压差。

公开(公告)号：US20160267876A1

公开(公告)日：2016-09-15

申请号：US14836261

申请日：2015-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jong-Woon Kim

IPC: G09G5/10

CPC classification number: G09G5/10 ,  G09G3/2003 ,  G09G2320/0242 ,  G09G2320/0276 ,  G09G2320/0646 ,  G09G2320/0673 ,  G09G2360/12

Abstract: A display device and a data compensating device for a display device are disclosed. In one aspect, the data compensating device includes a converter configured to convert image data corresponding to a plurality of pixels in a display panel into input grayscale data and provide the input grayscale data. A brightness ratio calculator is configured to calculate a brightness ratio of the input grayscale data for each pixel based on a predetermined gamma value and a maximum grayscale data. The data compensating device also includes a compensating coefficient output unit configured to output a predetermined compensating coefficient based on the brightness ratio, and a compensating data calculator configured to calculate compensating grayscale data corresponding to all of the grayscale data based on the compensating coefficient. A data output unit is configured to provide the compensating grayscale data corresponding to the input grayscale data as output grayscale data to the pixels.

Abstract translation: 公开了一种用于显示装置的显示装置和数据补偿装置。 在一个方面，数据补偿装置包括转换器，被配置为将对应于显示面板中的多个像素的图像数据转换为输入灰度数据并提供输入灰度数据。 亮度比计算器被配置为基于预定的伽马值和最大灰度数据来计算每个像素的输入灰度数据的亮度比。 数据补偿装置还包括：补偿系数输出单元，被配置为基于亮度比输出预定的补偿系数;以及补偿数据计算器，被配置为基于补偿系数来计算与所有灰度数据相对应的补偿灰度数据。 数据输出单元被配置为将对应于输入灰度数据的补偿灰度数据作为输出灰度数据提供给像素。

公开(公告)号：US20140333599A1

公开(公告)日：2014-11-13

申请号：US14038562

申请日：2013-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Sang-Hyun LEE ,  Jong-Woon Kim

IPC: G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0243

Abstract: An organic light emitting display device is disclosed. One inventive aspect includes a plurality of pixels provided at a region sectioned by scan lines and data lines and an initialization power unit. The plurality of pixels are configured to control the amount of a current flowing from a first power source to a second power source through an organic light emitting diode in response to a data signal. The initialization power unit supplies initialization power to a driving transistor within each pixel circuit. The initialization power unit further controls the voltage of the initialization power supply to maintain a substantially constant voltage difference between the second power source and the initialization power.

Abstract translation: 公开了一种有机发光显示装置。 一个创造性方面包括设置在由扫描线和数据线划分的区域处的多个像素和初始化功率单元。 多个像素被配置为响应于数据信号来控制通过有机发光二极管从第一电源流向第二电源的电流量。 初始化功率单元向每个像素电路内的驱动晶体管提供初始化功率。 初始化功率单元进一步控制初始化电源的电压，以在第二电源和初始化功率之间保持基本恒定的电压差。