公开(公告)号：US10210815B2

公开(公告)日：2019-02-19

申请号：US15333597

申请日：2016-10-25

Applicant: LG DISPLAY CO., LTD.

Inventor： DaeSeok Oh ,  Moonsoo Chung

IPC: G09G3/36 ,  G09G3/34 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333 ,  G02F1/1335

Abstract: A dimming control method of a backlight unit of a liquid crystal display (LCD) device driven at a driving frequency (f) of 60 Hz or lower includes a first step of driving the backlight unit using a first dimming value, and a second step of driving the backlight unit using a second dimming value higher than the first dimming value. The first step and the second step are alternately repeated and a repetition number of the second step within one period T of a driving frequency (f) is set to satisfy a condition of “{(60/f)−1}”. Here, f is a natural number lower than 60.

公开(公告)号：US09501987B2

公开(公告)日：2016-11-22

申请号：US14055421

申请日：2013-10-16

Applicant: LG Display Co., Ltd.

Inventor： DaeSeok Oh ,  YongHwa Park

IPC: G09G3/36 ,  G02F1/1345

CPC classification number: G09G3/3655 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2320/0209

Abstract: Disclosed is an LCD device. The LCD device includes a panel in which a plurality of gate lines cross a plurality of data lines, a source driving IC configured to alternately output a current data voltage and a current common voltage, a common electrode connected to the source driving IC through at least two or more common voltage lines, and a timing controller configured to generate current image data used to generate the current data voltage and common voltage data used to generate the current common voltage to be outputted to the source driving IC in correspondence with the current data voltage.

Abstract translation: 公开了一种LCD装置。 LCD装置包括多个栅极线与多条数据线交叉的面板，配置成交替地输出电流数据电压和电流公共电压的源极驱动IC，至少连接到源极驱动IC的公共电极 两个或更多个公共电压线，以及定时控制器，其被配置为产生用于产生当前数据电压的当前图像数据和用于生成与当前数据电压相对应地输出到源极驱动IC的当前公共电压的公共电压数据 。

公开(公告)号：US12087209B2

公开(公告)日：2024-09-10

申请号：US18206646

申请日：2023-06-07

Applicant: LG DISPLAY CO., LTD.

Inventor： Daeho Park ,  YongHwa Park ,  DaeSeok Oh

IPC: G09G3/20 ,  G09G3/32

CPC classification number: G09G3/2096 ,  G09G3/32 ,  G09G2300/0842 ,  G09G2310/0202 ,  G09G2310/027 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/021

Abstract: A display device, a display controller, a data driving circuit, and a low power driving method that are capable of preventing undesirable current in the data driving circuit from being caused and reducing power consumption by using different types of clock signals needed for data storing processing according to whether there occurs no data transition or there occurs a data transition.

公开(公告)号：US11232731B2

公开(公告)日：2022-01-25

申请号：US17122198

申请日：2020-12-15

Applicant: LG Display Co., Ltd.

Inventor： JooHee Lee ,  Jin Jeon ,  DaeSeok Oh ,  Jinwoo Jung

IPC: G06F3/00 ,  G09G3/00

Abstract: According to an aspect of the present disclosure, a foldable display device includes a display panel including a plurality of display areas divided by a folding line; and a data integrated circuit outputting a data voltage to the plurality of display areas, wherein the data integrated circuit includes a timing controller outputting a gamma enable signal; a data processor processing an image data; a gamma voltage generator determining whether or not to output a plurality of gamma voltages according to the gamma enable signal; and a digital analog converter (DAC) outputting the gamma voltage, as the data voltage corresponding to a gray value of the image data.