Lg Display Co., Ltd.

MinSu Kim

Hongseok Choi

ChangWook Han

HeeSuk Pang

Taegyun Kim

SungJoon Bae

Jieun Kang

ISak Lee

Intak Cho

HwaKyung Kim

SungJun Yun

Pilsang Yun

Youngtaek Hong

Wonkeun Park

Haejun Park

Disclosed are a display device and a manufacturing method thereof. More particularly, a display device including a substrate, a buffer layer disposed on the substrate, an active layer disposed on the buffer layer, a gate insulating film disposed on the active layer, and a gate electrode disposed on the gate insulating film, wherein the gate insulating film includes a first portion and a second portion, wherein the first portion is closer to the active layer than the second portion and the second portion is closer to the gate electrode than the first portion, and the gate insulating film includes two or more elements having different component concentrations in the first portion and the second portion, and a manufacturing method thereof are provided to provide a transistor structure having high reliability.

Display device and manufacturing method thereof

The present invention further relates to an OLED device, including R, G, B, and W subpixels. Specifically, the OLED device comprises a substrate; a thin film transistor (TFT) active layer disposed on the substrate, comprising a gate electrode, a gate insulating layer, an active layer, an interlayer insulating layer, a source electrode, and a drain electrode; an overcoat layer disposed over the thin film transistor; and a passivation layer disposed between the thin film transistor and the overcoat layer, wherein the passivation layer is absent in a path of a light or wherein the passivation layer is disposed in the path of the light as a single layer comprising silicon nitride.

Organic light emitting display device

Growing community of inventors

Kyungi-do, South Korea

MinSu Kim