公开(公告)号：US20240192797A1

公开(公告)日：2024-06-13

申请号：US18209587

申请日：2023-06-14

Applicant: LG Display Co., Ltd.

Inventor： Seung Taek OH ,  Joung Mi CHOI ,  Dong Gun LEE

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/20

CPC classification number: G06F3/04164 ,  G06F3/04166 ,  G06F3/044 ,  G09G3/2096 ,  G09G2330/021 ,  G09G2354/00 ,  G09G2360/14

Abstract: A display panel includes a first pixel area in which a plurality of light emitting elements and a plurality of pixel circuit are disposed, and a second pixel area in which a plurality of light emitting elements are disposed, and the second pixel area further may include a plurality of transparent extension lines configured to electrically connect the plurality of light emitting elements disposed in the second pixel area to the plurality of pixel circuits disposed in the first pixel area.

公开(公告)号：US20250087157A1

公开(公告)日：2025-03-13

申请号：US18789339

申请日：2024-07-30

Applicant: LG Display Co., Ltd.

Inventor： Ji Ah KIM ,  Joung Mi CHOI

IPC: G09G3/3233

Abstract: A subpixel circuit and a display device including the subpixel circuit are discussed. The subpixel circuit in one example includes a light emitting element configured to receive a high-potential driving voltage at an anode electrode, and a driving transistor including a first node, a second node, and a third node. The subpixel circuit further includes a scan transistor controlled by a first scan signal and transmitting a data voltage through a data line, a storage capacitor, and a control circuit configured to control operations of the driving transistor, the scan transistor, and the storage capacitor. The control circuit can be located between a cathode electrode of the light emitting element and a low-potential base voltage line.

公开(公告)号：US20240221660A1

公开(公告)日：2024-07-04

申请号：US18533149

申请日：2023-12-07

Applicant: LG Display Co., Ltd.

Inventor： Ji Ah KIM ,  Joung Mi CHOI

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2310/0291 ,  G09G2310/08

Abstract: Embodiments disclose a display device including a display panel including a first display region having a plurality of first pixels, and a second display region having a plurality of second pixels and a plurality of light-transmitting regions, a plurality of data lines through which data signals of the plurality of first pixels and the plurality of second pixels are output, a plurality of gate lines through which gate signals of the plurality of first pixels and the plurality of second pixels are output, and a gate driving unit including a plurality of stages configured to output the gate signals to the plurality of gate lines and a dummy stage connected in parallel to at least one of the plurality of stages.

公开(公告)号：US20150340003A1

公开(公告)日：2015-11-26

申请号：US14818104

申请日：2015-08-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Joung Mi CHOI

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3655 ,  G09G3/3659 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/0251 ,  G09G2310/0286 ,  G09G2320/02 ,  G11C19/287

Abstract: An LCD device can include a liquid crystal display panel having a plurality of gate lines; a controller configured to generate at least four clock signals with different phases; a first gate driver configured to apply a high gate voltage to odd-numbered gate lines in response to at least two of the clock signals; a second gate driver configured to apply the high gate voltage to even-numbered gate lines in response to other clock signals; primary discharge circuits each configured to apply a low gate voltage to the respective odd-numbered gate line in response to a carry signal opposite to a voltage level on one of posterior odd-and-even-numbered gate lines; and secondary discharge circuits each configured to apply the low gate voltage to the respective even-numbered gate line in response to the carry signal opposite to the voltage level on the other one of the posterior odd-and-even-numbered gate lines.

Abstract translation: LCD装置可以包括具有多条栅极线的液晶显示面板; 配置成产生具有不同相位的至少四个时钟信号的控制器; 第一栅极驱动器，被配置为响应于至少两个时钟信号将高栅极电压施加到奇数编号的栅极线; 第二栅极驱动器，被配置为响应于其它时钟信号将高栅极电压施加到偶数栅极线; 各个初级放电电路被配置为响应于与后奇数和偶数编号的栅极线之一上的电压电平相反的进位信号而将低栅极电压施加到相应的奇数编号的栅极线; 以及二次放电电路，每个二次放电电路被配置为响应于与后奇数和偶数编号的栅极线中的另一个上的电压电平相反的进位信号而将低栅极电压施加到相应的偶数栅极线。

公开(公告)号：US20240221656A1

公开(公告)日：2024-07-04

申请号：US18519941

申请日：2023-11-27

Applicant: LG Display Co., Ltd.

Inventor： Ji Ah KIM ,  Bo Gun SEO ,  Joung Mi CHOI

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2320/0233

Abstract: A display device can include a first display region including a plurality of first pixels, a second display region including a plurality of second pixels, and a boundary region disposed between the first display region and the second display region. The boundary region includes the plurality of first pixels and the plurality of second pixels. Also, the plurality of first pixels respectively include a plurality of first pixel circuits, the plurality of second pixels respectively include a plurality of second pixel circuits, and a transmittance of each of the plurality of second pixel circuits is higher than a transmittance of each of the plurality of first pixel circuits.

公开(公告)号：US20220019757A1

公开(公告)日：2022-01-20

申请号：US17361241

申请日：2021-06-28

Applicant: LG Display Co., Ltd.

Inventor： Man Hyeop HAN ,  Joung Mi CHOI ,  Dong Gun LEE

IPC: G06K9/00 ,  G09G3/3233 ,  H01L27/30 ,  H01L27/32

Abstract: A display device and a mobile terminal including the same includes a display area in which a first group of display pixels to which pixel data is written are arranged, and a sensing area in which a second group of display pixels and a plurality of sensor pixels are arranged; each of the display pixels includes a pixel circuit configured to drive a light emitting element; each of the sensor pixels includes a photosensor driving circuit configured to drive a photodiode; a low potential power voltage and a pixel driving voltage are applied to the pixel circuit and the photosensor driving circuit; a cathode electrode of the light emitting element and the cathode electrode of the photodiode share the same metal electrode, and are commonly connected to a low potential power line to which the low potential power voltage is applied.

公开(公告)号：US20140118327A1

公开(公告)日：2014-05-01

申请号：US14044515

申请日：2013-10-02

Applicant: LG Display Co., Ltd.

Inventor： Byeong Seong SO ,  Joung Mi CHOI

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3677 ,  G09G2310/0286 ,  G11C19/00 ,  G11C19/28 ,  G11C19/287

Abstract: An LCD panel being driven in an overlapping drive mode by applying a gate high voltage during n horizontal synchronous intervals is disclosed. The LCD panel includes: a plurality of gate lines; and a gate driver configured to include a plurality of stages connected to the plurality of gate lines. The plurality of stages are grouped in a plurality of stage groups each including n stages. Odd-numbered stage groups each allows the n stages to be arranged in a Z shape with having a display area therebetween. Even-number stage groups each allows the n states to be arranged in an inverse-Z shape with having the display area therebetween.

Abstract translation: 公开了通过在n个水平同步间隔期间施加栅极高电压以重叠驱动模式驱动的LCD面板。 LCD面板包括：多条栅线; 以及栅极驱动器，被配置为包括连接到所述多条栅极线的多个级。 多个阶段被分组成多个阶段组，每个阶段组包括n个阶段。 奇数级组各自允许n级布置成Z形，其间具有显示区域。 偶数级组各自允许n个状态被布置成具有其间的显示区域的逆Z形。

公开(公告)号：US20140092082A1

公开(公告)日：2014-04-03

申请号：US13727323

申请日：2012-12-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Joung Mi CHOI

IPC: G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3655 ,  G09G3/3659 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2310/0251 ,  G09G2310/0286 ,  G09G2320/02 ,  G11C19/287

Abstract: An LCD device according to an embodiment includes a liquid crystal display panel in which n gate lines are formed; a timing controller to generate first to sixth clock signals; a first gate driver to apply a high gate voltage to one ends of the (2k−1)th gate lines in response to the first, third and fifth clock signals; a second gate driver to apply the high gate voltage to one ends of the (2k)th gate lines in response to the second, fourth and sixth clock signals; left discharge circuits each to apply a low gate voltage to the other end of the (2k−1)th gate line according to a voltage level on (2k+1)th gate line; and right discharge circuits each to apply the low gate voltage to the other end of the (2k)th gate line according to the voltage level on (2k+2)th gate line.

Abstract translation: 根据实施例的LCD装置包括其中形成有n条栅极线的液晶显示面板; 定时控制器，用于产生第一至第六时钟信号; 第一栅极驱动器，用于响应于所述第一，第三和第五时钟​​信号，向（2k-1）栅极线的一端施加高栅极电压; 第二栅极驱动器，用于响应于第二，第四和第六时钟信号将高栅极电压施加到（2k）栅极线的一端; 左放电电路各自根据（2k + 1）栅极线上的电压电平向第（2k-1）栅极线的另一端施加低栅极电压; 和右放电电路各自根据（2k + 2）栅极线上的电压电平将低栅极电压施加到（2k）栅极线的另一端。