公开(公告)号：US20150029144A1

公开(公告)日：2015-01-29

申请号：US14338967

申请日：2014-07-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Young Woo Jo ,  Jae Hun Jun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A display device is disclosed which includes: a first substrate; a second substrate disposed to face the first substrate; a plurality of touch electrodes formed in a fixed area of the first substrate; touch lines connected to the touch electrodes; and a driver disposed in an edge of the first substrate and configured to apply a voltage to the touch lines. The touch lines connected to the touch electrodes have the same resistance value.

Abstract translation: 公开了一种显示装置，包括：第一基板; 设置成面对第一基板的第二基板; 形成在所述第一基板的固定区域中的多个触摸电极; 连接到触摸电极的触摸线; 以及设置在所述第一基板的边缘并被配置为向所述触摸线施加电压的驱动器。 连接到触摸电极的触摸线具有相同的电阻值。

公开(公告)号：US09436331B2

公开(公告)日：2016-09-06

申请号：US14338967

申请日：2014-07-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Young Woo Jo ,  Jae Hun Jun

IPC: G06F3/044

CPC classification number: G06F3/044

Abstract: A display device is disclosed which includes: a first substrate; a second substrate disposed to face the first substrate; a plurality of touch electrodes formed in a fixed area of the first substrate; touch lines connected to the touch electrodes; and a driver disposed in an edge of the first substrate and configured to apply a voltage to the touch lines. The touch lines connected to the touch electrodes have the same resistance value.

Abstract translation: 公开了一种显示装置，包括：第一基板; 设置成面对第一基板的第二基板; 形成在所述第一基板的固定区域中的多个触摸电极; 连接到触摸电极的触摸线; 以及设置在所述第一基板的边缘并被配置为向所述触摸线施加电压的驱动器。 连接到触摸电极的触摸线具有相同的电阻值。

公开(公告)号：US12182361B2

公开(公告)日：2024-12-31

申请号：US18512793

申请日：2023-11-17

Applicant: LG Display Co., Ltd.

Inventor： Hyun Woo Jang ,  Ki Yong Kim ,  Jae Kyu Park ,  Young Woo Jo

IPC: G06F3/041 ,  G06F3/044

Abstract: A display device having a touch sensor can include a display panel including a plurality of touch electrodes, and a readout integrated circuit (IC). Also, the readout IC is configured to apply a touch driving signal to the plurality of touch electrodes and amplify charges from the plurality touch electrodes according to an amplifier reset signal to generate an amplifier output voltage, and differentially adjust a toggle timing of the amplifier reset signal based on positions of the plurality of touch electrodes to control a level of the amplifier output voltage.

公开(公告)号：US11861108B2

公开(公告)日：2024-01-02

申请号：US17466818

申请日：2021-09-03

Applicant: LG Display Co., Ltd.

Inventor： Hyun Woo Jang ,  Ki Yong Kim ,  Jae Kyu Park ,  Young Woo Jo

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/041662

Abstract: A display device having a touch sensor of the present disclosure includes a display panel including a plurality of touch electrodes, a touch sensing circuit configured to apply a touch driving signal to the touch electrodes and amplify charges flowing from the touch electrodes based on an amplifier reset signal so as to generate an amplifier output voltage, and an amplifier output control circuit configured to adjust at least one of a toggle timing of the amplifier reset signal and a voltage amplitude of the touch driving signal so as to differentially control a level of the amplifier output voltage depending on positions of the touch electrodes.