Lg Display Co., Ltd.

Jeonggi Yun

Yongmin Kim

JungSun Beak

Kyoungjin Nam

Jeongoh Kim

Taehwan Kim

Jonghan Park

Yong-Il Kim

JungSun Baek

KyoungJin Nam

Jungsun Beak

Disclosed is a transparent display device comprising a substrate including a transmission area and a non-transmission area including a light emission area in which a light emitting element is disposed, a touch sensor disposed over the transmission area of the substrate, a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction, a touch sensor connection line extending in a second direction, a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other, and a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line.

Transparent display device

A transparent display device is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may make sure of separating a touch sensor electrode of a touch sensor from a cathode electrode of a light emitting element. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas, a plurality of light emitting elements respectively disposed in the plurality of light emission areas on the substrate, including an anode electrode, a light emitting layer and a cathode electrode, a plurality of touch sensors respectively disposed in the plurality of transmissive areas on the substrate, including a touch sensor electrode, and a first undercut structure disposed along an edge of the transmissive area to separate the cathode electrode from the touch sensor electrode, including a plurality of eaves.

A method of manufacturing an organic light-emitting diode (OLED) display includes forming a thin film transistor and a first storage capacitor electrode, forming a second storage capacitor electrode overlapping the first storage capacitor electrode with a passivation layer covering the first storage capacitor electrode, the passivation layer being interposed between the second storage capacitor electrode and the first storage capacitor electrode, sequentially forming a first anode electrode and an insulating layer to overlap the second storage capacitor electrode on an overcoat layer covering the second storage capacitor, forming a pixel contact hole exposing a drain electrode of the thin film transistor through the overcoat layer and the passivation layer, and forming a second anode electrode coming in contact with the drain electrode and the first anode electrode and overlapping the first anode electrode with the insulating layer interposed between the second anode electrode and the first anode electrode.

Organic light-emitting diode display having multi-mode cavity structure

An organic light-emitting diode (OLED) display can include a substrate configured to have an emission area and a non-emission area defined in the substrate; a thin film transistor disposed in the non-emission area; a first storage capacitor electrode and a second storage capacitor electrode configured to be overlapped in the emission area with a passivation layer interposed between the first and the second storage capacitor electrodes; an overcoat layer configured to cover the thin film transistor and the second storage capacitor electrode; and a first pixel area configured to comprise a first anode electrode and an insulating layer sequentially stacked on the overcoat layer in such a way as to overlap the second storage capacitor electrode and a second anode electrode disposed on the insulating layer and configured to come in contact with the thin film transistor and the first anode electrode.

An organic light-emitting diode display includes a substrate in which an emission area and a non-emission area are defined; a thin film transistor disposed in the non-emission area on the substrate; passivation layer disposed on the thin film transistor; a first storage capacitor electrode and a second storage capacitor electrode superposed thereon, having the passivation layer interposed therebetween, in the emission area; an overcoat layer disposed on the second storage capacitor electrode; and an anode disposed on the overcoat layer, coming into contact with one side of the second storage capacitor electrode through an overcoat layer contact hole penetrating the overcoat layer and, coming into contact with part of the thin film transistor through a passivation layer contact hole disposed in the overcoat layer contact hole and penetrating the passivation layer.

Organic light-emitting diode display having high aperture ratio and method for manufacturing the same

An organic light-emitting diode display can include a substrate in which an emission area and a non-emission area are defined; a first transparent conductive layer, a light shielding layer, a buffer layer and a semiconductor layer sequentially laminated on the non-emission area; a gate electrode superposed on the center region of the semiconductor layer, having a gate insulating layer interposed therebetween; a drain electrode coming into contact with one side of the semiconductor layer, having an interlevel insulating layer covering the gate electrode interposed therebetween, and formed of a second transparent conductive layer and a metal layer laminated thereon; a first storage capacitor electrode disposed under the interlevel insulating layer in the emission area and formed of the first transparent conductive layer; and a second storage capacitor electrode superposed on the first storage capacitor electrode, having the interlevel insulating layer interposed therebetween, and formed of the second transparent conductive layer.

Growing community of inventors

Paju-si, South Korea

Jeonggi Yun