Lg Display Co., Ltd.

Soyoung Jo

Sookang Kim

Jihyang Jang

Wonhoe Koo

Hyunsoo Lim

Mingeun Choi

Sangcheon Youn

Saemleenuri Lee

SeYeoul Kwon

Chanwoo Lee

HeeSeok Yang

Jintae Kim

YoonDong Cho

DongYoon Kim

Anna Ha

Paul Stephen Drzaic

Zhen Zhang

Hansun Park

KangJu Lee

Dongyoon Kim

Seongsu Jeon

SeungRyong Joung

Hyunjoo Kim

Yonghoon Choi

Wooram Youn

Sanghyeon Kwak

JeaHo Park

KeumKyu Min

Seyeoul Kwon

Heeseok Yang

Yoondong Cho

AnNa Ha

Juhn Suk Yoo

HeeJung Yang

Jae Hun Yang

YoonJung Kim

Nayoung Lee

Disclosed is an organic light emitting diode display device. The disclosed organic light emitting diode display device includes an overcoat layer disposed on a substrate that is divided into an emissive area and a non-emissive area, and has multiple micro lenses in the emissive area and at least one depression in the non-emissive area. The organic light emitting diode display device further includes: a first electrode disposed on the overcoat layer, wherein the first electrode is disposed in the entire emissive area and in a part of the non-emissive area; a bank pattern disposed in the non-emissive area so as to be superposed on the depression; an organic light emitting layer disposed on the substrate; and a second electrode disposed on the organic light emitting layer. Accordingly, the organic light emitting diode display device may prevent light leakage.

Organic light emitting diode display device

A light-emitting display device includes: a substrate, a plurality of pixels on the substrate, each pixel including an opening area, a light extraction pattern disposed in each opening area, the light extraction pattern including: a plurality of concave portions spaced apart from each other, and a protruding portion surrounding each of the plurality of concave portions, and a light-emitting device layer including: a light-emitting layer over the light extraction pattern, and a non-emission area overlapping a top portion of the protruding portion between the two adjacent concave portions.

Light-emitting display device

A light emitting display apparatus includes a substrate having a unit pixel area, and a plurality of subpixel areas disposed in the unit pixel area and configured to include a light emission portion and a non-light emission portion. The light emission portion disposed in any one among the plurality of subpixel areas is divided into a first opening portion and a second opening portion. The first and second opening portions have different sizes to each other.

Light emitting display apparatus

A light emitting display apparatus is disclosed, which can improve light extraction efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas having an opening area, an uneven portion arranged in the opening area, and a light emitting diode arranged over the uneven portion, the uneven portion may have roughness average value of about 0.19 to about 0.29 for a unit size.

A light emitting display apparatus is disclosed, which can improve visual characteristic of a black image in accordance with reduction of diffuse reflectance while improving light emission efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas, a light emission pattern arranged in each of the plurality of pixel areas, a light emitting device layer arranged over the light emission pattern, and a selective wavelength absorbing member overlapped with at least one of the plurality of pixel areas, wherein the selective wavelength absorbing member may reduce transmittance of light of a long wavelength, which is incident.

Light emitting display apparatus including a selective wavelength absorbing member

Organic light emitting diode display device with micro lenses

An organic light emitting display device includes an overcoating layer on a substrate; a first electrode on the overcoating layer; a bank layer on the overcoating layer and the first electrode, the bank layer including an opening through which the first electrode is exposed; a pattern layer having an island shape on the exposed portion of the first electrode; an organic emission layer on the first electrode and the pattern layer; and a second electrode on the organic emission layer.

Organic light emitting display device

Provided is an organic light emitting device including an overcoat layer on a substrate, a first electrode disposed on the overcoat layer, an organic light emitting layer disposed on the first electrode and including a convex or concave curve; and a second electrode disposed on the organic light emitting layer.

Organic light emitting device

An organic light-emitting display device. A substrate is divided into a plurality of subpixels generating different colors of light. A light leakage prevention layer is disposed on a portion of the substrate corresponding to a light-emitting area of at least one subpixel of the plurality of subpixels. An overcoat layer is disposed on a portion of the substrate corresponding to at least one subpixel of the plurality of subpixels, and includes microlenses having a plurality of concave portions or a plurality of convex portions. An organic electroluminescent device is disposed on the overcoat layer.

An organic light emitting diode display device is provided. The organic light emitting diode display device includes a first insulating layer disposed on a substrate and having a first refractive index, a refraction inducing layer disposed on the first insulating layer having a second refractive index, a second insulating layer disposed on the refraction inducing layer and having a third refractive index, a first electrode disposed on the second insulating layer and having a fourth refractive index, and an organic light emitting layer and a second electrode disposed on the first electrode. The second insulating layer, the first electrode, the organic light emitting layer, and the second electrode include a plurality of convex parts and a plurality of concave parts.

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Seoul, South Korea

Soyoung Jo