公开(公告)号：US20160322008A1

公开(公告)日：2016-11-03

申请号：US14983708

申请日：2015-12-30

Applicant: LG Display Co., Ltd.

Inventor： Wookyu SANG ,  Sangjin NAM ,  Ooksang YOO ,  Seungjin YOO

IPC: G09G3/36

CPC classification number: G09G3/3607 ,  G09G3/3275 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0666 ,  G09G2330/021

Abstract: A display device is disclosed. A display panel includes a plurality of subpixels of a plurality of colors arranged in a matrix form, and a plurality of gate lines and data lines respectively connected to the subpixels. A data driver is configured to supply data voltages to the subpixels through a plurality of source channels and the data lines. A switch circuit is configured to connect one of the source channels selectively to one of the data lines during a first scan period in one horizontal period and to a different one of the data lines during a second scan period in the one horizontal period. The data driver is configured to supply data voltages of one color to the one of the source channels during both the first scan period and the second scan period in the one horizontal period.

Abstract translation: 公开了一种显示装置。 显示面板包括以矩阵形式布置的多个颜色的多个子像素，以及分别连接到子像素的多个栅极线和数据线。 数据驱动器被配置为通过多个源通道和数据线向子像素提供数据电压。 开关电路被配置为在一个水平周期中的第一扫描周期期间在一个水平周期中的第一扫描周期期间将源信道中的一个选择性地连接到数据线之一，并且在一个水平周期中的第二扫描周期期间将数据线中的一个选择性地连接到 数据驱动器被配置为在一个水平周期中的第一扫描周期和第二扫描周期期间向一个源通道提供一种颜色的数据电压。

公开(公告)号：US20240078959A1

公开(公告)日：2024-03-07

申请号：US18224376

申请日：2023-07-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyoungsik KIM ,  Wookyu SANG

IPC: G09G3/20

CPC classification number: G09G3/2096 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0294 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2330/028 ,  G09G2340/0435

Abstract: Embodiments of the present disclosure relate to a pixel circuit comprising: a light emitting device which emits light with a luminance corresponding to an amount of driving current applied thereto; a driving transistor which controls the amount of the driving current applied to the light emitting device; a storage capacitor which is connected to the driving transistor; a first transistor which is turned on according to a first scan signal and transmits a data voltage to the storage capacitor; and a second transistor which is turned on according to a second scan signal and diode-connects the driving transistor, wherein the driving transistor and the first transistor are low temperature poly-silicon (LTPS) thin film transistors, and wherein the second transistor is an oxide semiconductor thin film transistor.

公开(公告)号：US20160078826A1

公开(公告)日：2016-03-17

申请号：US14833336

申请日：2015-08-24

Applicant: LG Display Co., Ltd.

Inventor： Seungjin YOO ,  Wookyu SANG ,  Ooksang YOO

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G3/3614 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2310/0224 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2330/023

Abstract: A display device includes a pixel array having a plurality of pixels arranged in a matrix form based on a crossing structure of data lines and gate lines, a data driver having a plurality of output channels and configured to output a data voltage, a multiplexer configured to distribute the data voltage output from the data driver to the data lines in response to first and second control signals, and a gate driver configured to output a gate pulse synchronized with the data voltage in a non-sequential manner. The first and second control signals are in antiphase, and a switching cycle of the first and second control signals is one horizontal period or two horizontal periods.

Abstract translation: 显示装置包括：具有基于数据线和栅极线的交叉结构以矩阵形式布置的多个像素的像素阵列，具有多个输出通道并被配置为输出数据电压的数据驱动器，多路复用器，被配置为 响应于第一和第二控制信号将从数据驱动器输出的数据电压分配到数据线;以及栅极驱动器，被配置为以非顺序方式输出与数据电压同步的栅极脉冲。 第一和第二控制信号处于反相状态，第一和第二控制信号的开关周期是一个水平周期或两个水平周期。

公开(公告)号：US20160314736A1

公开(公告)日：2016-10-27

申请号：US14984848

申请日：2015-12-30

Applicant: LG Display Co., Ltd.

Inventor： Wookyu SANG

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1362

CPC classification number: G09G3/2085 ,  G02F1/136286 ,  G09G3/3607 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3674 ,  G09G3/3685 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A liquid crystal display is disclosed. The liquid crystal display includes subpixels of first to fourth colors arranged on each row, a first data line connected to the first color subpixel and the second color subpixel on each row, a second data line connected to the third color subpixel and the fourth color subpixel on each row, a first gate line connected on each row to subpixels of two colors selected among the first to fourth colors, a second gate line connected on each row to subpixels of two remaining colors among the first to fourth colors, a data driver configured to supply a data voltage to the first and second data lines in a time-division manner, and a gate driver configured to supply a gate pulse to the first and second gate lines in synchronization with an output timing of the data voltage.

Abstract translation: 公开了一种液晶显示器。 液晶显示器包括排列在每排的第一至第四颜色的子像素，连接到每行上的第一颜色子像素和第二彩色子像素的第一数据线，连接到第三颜色子像素和第四颜色子像素的第二数据线 在每一行上，连接在每行上的第一栅极线与从第一至第四颜色中选择的两种颜色的子像素连接，第二栅极线连接到第一至第四颜色中的两个剩余颜色的子像素，数据驱动器配置 以时分方式向第一和第二数据线提供数据电压，以及栅极驱动器，被配置为与数据电压的输出定时同步地向第一和第二栅极线提供栅极脉冲。

公开(公告)号：US20240038123A1

公开(公告)日：2024-02-01

申请号：US18224372

申请日：2023-07-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Wookyu SANG ,  Hyungsik KIM ,  Moonsoo CHUNG ,  Taehun KIM

IPC: G09G3/20 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/2007 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2340/0435 ,  G09G2320/0233 ,  G09G2320/0247 ,  G09G2330/021 ,  G09G2310/08 ,  G09G2310/0294

Abstract: Disclosed is a display device including: a display panel on which a plurality of pixels are arranged to display an image; a gate driver supplying scan signals and emission control signals to the display panel; and a controller driving the pixels by dividing the pixels into a refresh period and a hold period, and the plurality of pixels include an electroluminescent device and a pixel circuit for driving the electroluminescent device, and the pixel circuit includes a driving transistor having a first electrode configured to be applied with a data voltage and a bias voltage, and a second electrode connected to the electroluminescent device.

公开(公告)号：US20170345382A1

公开(公告)日：2017-11-30

申请号：US15606999

申请日：2017-05-26

Applicant: LG Display Co., Ltd.

Inventor： Wookyu SANG

IPC: G09G3/36 ,  G02F1/13 ,  G09G3/34 ,  G02F1/163

CPC classification number: G09G3/3607 ,  G02F1/13 ,  G02F2001/1635 ,  G09G3/3406 ,  G09G3/3413 ,  G09G3/3614 ,  G09G3/364 ,  G09G3/3648 ,  G09G3/3659 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0213 ,  G09G2310/0218 ,  G09G2320/0646

Abstract: A liquid crystal display device includes a plurality of data lines; a plurality of gate lines and a pixel array including a plurality of subpixels formed of first-color to fourth-color subpixels. The plurality of subpixels has a first arrangement or a second arrangement. The first arrangement is an arrangement in which in each row of the pixel array two of the first-color to fourth-color subpixels is interleaved. The second arrangement is a different arrangement than the first arrangement in which in each row of the pixel array two of the first-color to fourth-color subpixels are interleaved. A data driver is configured to drive the pixel array according to a first driving method when the pixel array has the first arrangement and drive the pixel array according to at least one second driving method that is different from the first driving method when the pixel array has the second arrangement.

公开(公告)号：US20150379947A1

公开(公告)日：2015-12-31

申请号：US14736009

申请日：2015-06-10

Applicant: LG Display Co., Ltd.

Inventor： Wookyu SANG ,  Wonho LEE ,  Juun PARK

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G09G3/3614 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134345 ,  G09G3/3607 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2310/0213 ,  G09G2310/0248 ,  G09G2310/0297 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2330/021 ,  G09G2330/023

Abstract: A display device includes a pixel array including a first set of subpixels of first to fourth colors and a second set of subpixels of the first to fourth colors. The display device also includes a data driver configured to generate first data voltages and second data voltages, the first data voltages having a first polarity with respect to a common voltage that is applied to the pixel array and the second data voltages having a second polarity with respect to the common voltage that is different than the first polarity, and wherein the data driver applies the first data voltages of the first polarity to the first set of subpixels of the first to fourth colors via the data line and subsequently applies the second data voltages of the second polarity to the second set of subpixels of the first to fourth colors via the data line.

Abstract translation: 显示装置包括像素阵列，其包括第一至第四颜色的第一子像素组和第一至第四颜色的第二子像素组。 所述显示装置还包括配置成产生第一数据电压和第二数据电压的数据驱动器，所述第一数据电压相对于施加到所述像素阵列的公共电压具有第一极性，并且所述第二数据电压具有第二极性， 相对于与第一极性不同的公共电压，并且其中数据驱动器经由数据线将第一极性的第一数据电压施加到第一至第四颜色的第一组子像素，并且随后将第二数据电压 的第二极性与经由数据线的第一至第四颜色的第二组子像素。