公开(公告)号：US11430368B2

公开(公告)日：2022-08-30

申请号：US17405701

申请日：2021-08-18

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Yong Won Jo

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3291

Abstract: Disclosed herein are a data driving device and a display device using the same. The data driving device includes a selector for sequentially selecting pieces of gamma reference data input from banks in the order of a first color, a second color, and a third color, and a voltage output part for converting the pieces of gamma reference data for each color, which is sequentially input, into gamma reference voltages.

公开(公告)号：US11423821B2

公开(公告)日：2022-08-23

申请号：US17319973

申请日：2021-05-13

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Yong Won Jo ,  Yong Woo Yun

IPC: G09G3/20 ,  G09G3/3291

Abstract: A data driving circuit includes a first voltage divider circuit configured to output a gamma compensation voltage for a first color, a second voltage divider circuit configured to output a gamma compensation voltage for a second color, a third voltage divider circuit configured to output a gamma compensation voltage for a third color, a first digital-to-analog converter (DAC) configured to convert input data for the first color using the gamma compensation voltage for the first color to output a data voltage of a first channel, a second DAC configured to convert input data for the second color using the gamma compensation voltage for the second color to output a data voltage of a second channel, and a third DAC configured to convert input data for the third color using the gamma compensation voltage for the third color to output a data voltage of a third channel.

公开(公告)号：US11217178B2

公开(公告)日：2022-01-04

申请号：US16890521

申请日：2020-06-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Seok Oh ,  Yong Won Jo ,  Myung Jong Park

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G5/14 ,  G09G5/373

Abstract: Disclosed herein is a display which activates a maximum screen which is an entirety of a screen of a flexible display panel to display an image thereon in an unfolded state of the flexible display panel and activates a part of the screen in a folded state of the flexible display panel so that the activated screen that is smaller than the maximum screen displays the image and a deactivated screen displays black.

公开(公告)号：US09299300B2

公开(公告)日：2016-03-29

申请号：US14134712

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Bo Gun Seo ,  Seung Hwan Shin

IPC: G09G3/36

CPC classification number: G09G3/3611 ,  G09G3/3685 ,  G09G3/3696 ,  G09G2330/021 ,  G09G2360/16

Abstract: Disclosed are an LCD device and a driving method thereof. The LCD device includes at least one source driving ICs configured to drive a plurality of data lines formed in a panel, a timing controller configured to generate a power control signal used to change a level of a driving voltage applied to the source driving ICs according to a pattern of an image output to the panel, and a driving voltage generator configured to generate a first driving voltage or a second driving voltage according to the power control signal to drive the source driving ICs. The first and second driving voltages have different levels.

Abstract translation: 公开了一种LCD装置及其驱动方法。 LCD装置包括：至少一个源驱动IC，其被配置为驱动形成在面板中的多个数据线;定时控制器，其被配置为产生用于根据下列步骤产生用于改变施加到源极驱动IC的驱动电压的电平的功率控制信号 输出到面板的图像的图案，以及被配置为根据功率控制信号产生第一驱动电压或第二驱动电压以驱动源极驱动IC的驱动电压发生器。 第一和第二驱动电压具有不同的电平。

公开(公告)号：US11462171B2

公开(公告)日：2022-10-04

申请号：US17116852

申请日：2020-12-09

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Soon Hwan Hong ,  Seung Tae Jin

IPC: G09G3/3266 ,  G09G3/3275 ,  G09G3/3233 ,  G09G5/14 ,  G09G3/00

Abstract: Disclosed herein are a gate driving circuit and a flexible display using the same. In gate driving circuit, a control block including an nth controller configured to generate one among a gate-off voltage, an EM start signal, and a carry signal from a (n-1)th EM signal transfer part as an nth EM output control signal to apply the nth EM output control signal to a start terminal of an nth EM signal transfer part on the basis of an nth scan signal (n is a natural number) from the first shift register, a first control signal designating an off-driving signal transfer parts and an on-driving signal transfer parts among the EM signal transfer parts, a second control signal designating a first on-driving signal transfer part, and a third control signal designating second to last on-driving signal transfer parts.

公开(公告)号：US20220068184A1

公开(公告)日：2022-03-03

申请号：US17405701

申请日：2021-08-18

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Yong Won Jo

IPC: G09G3/20 ,  G09G3/3291

Abstract: Disclosed herein are a data driving device and a display device using the same. The data driving device includes a selector for sequentially selecting pieces of gamma reference data input from banks in the order of a first color, a second color, and a third color, and a voltage output part for converting the pieces of gamma reference data for each color, which is sequentially input, into gamma reference voltages.

公开(公告)号：US11100900B2

公开(公告)日：2021-08-24

申请号：US16886554

申请日：2020-05-28

Applicant: LG Display Co., Ltd.

Inventor： Myung Jong Park ,  Dae Seok Oh ,  Jin Woo Jung

IPC: G09G3/3258 ,  G09G5/373 ,  G09G3/3266 ,  G09G3/3291

Abstract: A foldable display comprises a flexible display panel including a screen which displays an image; a measuring part configured to measure a folding angle of the flexible display panel; and an image processor configured to vary a size of the image displayed on the screen and a size of a black pattern displayed on the screen of the flexible display panel while the folding angle of the flexible display panel is varied.

公开(公告)号：US09280945B2

公开(公告)日：2016-03-08

申请号：US14025484

申请日：2013-09-12

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Bo Gun Seo ,  Yong Hwa Park

IPC: G09G5/10 ,  G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/0248 ,  G09G2310/027 ,  G09G2330/023

Abstract: An LCD device is disclosed which includes: a liquid crystal display panel in which there are a plurality of gate lines and a plurality of data lines; a data driver configured to apply data voltages to the data lines; a gate driver configured to apply gate pulses to the gate lines; and a charge share device configured to selectively perform a charge share operation by storing charges corresponding to a data voltage applied to one of the data lines during a first interval and providing the stored charges to said one or another one of the data lines during a second interval based on a comparison of first video data corresponding to said one of the data lines in the first interval with second video data corresponding to said one or another one of the data lines in the second interval.

Abstract translation: 公开了一种LCD装置，其包括：液晶显示面板，其中存在多条栅极线和多条数据线; 数据驱动器，被配置为向数据线施加数据电压; 栅极驱动器，被配置为向栅极线施加栅极脉冲; 以及电荷共享装置，被配置为通过在第一间隔期间存储与施加到数据线之一的数据电压相对应的电荷来选择性地执行电荷共享操作，并且在第二时间段期间将存储的电荷提供给所述一个或另一个数据线 基于对应于第一间隔中的所述数据线之一的第一视频数据与对应于第二间隔中的所述一个或另一个数据线的第二视频数据进行比较的间隔。

公开(公告)号：US20140071188A1

公开(公告)日：2014-03-13

申请号：US14025484

申请日：2013-09-12

Applicant: LG Display Co., Ltd.

Inventor： Dae Seok Oh ,  Bo Gun Seo ,  Yong Hwa Park

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/0248 ,  G09G2310/027 ,  G09G2330/023

Abstract: An LCD device is disclosed which includes: a liquid crystal display panel in which there are a plurality of gate lines and a plurality of data lines; a data driver configured to apply data voltages to the data lines; a gate driver configured to apply gate pulses to the gate lines; and a charge share device configured to selectively perform a charge share operation by storing charges corresponding to a data voltage applied to one of the data lines during a first interval and providing the stored charges to said one or another one of the data lines during a second interval based on a comparison of first video data corresponding to said one of the data lines in the first interval with second video data corresponding to said one or another one of the data lines in the second interval.

Abstract translation: 公开了一种LCD装置，其包括：液晶显示面板，其中存在多条栅极线和多条数据线; 数据驱动器，被配置为向数据线施加数据电压; 栅极驱动器，被配置为向栅极线施加栅极脉冲; 以及电荷共享装置，被配置为通过在第一间隔期间存储与施加到数据线之一的数据电压相对应的电荷来选择性地执行电荷共享操作，并且在第二时间段期间将存储的电荷提供给所述一个或另一个数据线 基于对应于第一间隔中的所述数据线之一的第一视频数据与对应于第二间隔中的所述一个或另一个数据线的第二视频数据进行比较的间隔。