Lg Display Co., Ltd.

Wooram Youn

YoungMi Kim

Wonhoe Koo

Sookang Kim

Soyoung Jo

Hyunsoo Lim

Mingeun Choi

Jihyang Jang

Hansun Park

KangJu Lee

Seongsu Jeon

SeungRyong Joung

Hyunjoo Kim

JeaHo Park

Hyeongjun Lim

Minki Kim

Jang Jo

Pureum Kim

Jaehyung Yu

A display device is disclosed. The display device includes a substrate provided with a plurality of subpixels including a first light emitting area and a second light emitting area, a first electrode in the first light emitting area of each of the plurality of subpixels on the substrate, a first light emitting layer provided on the first electrode, a second electrode provided on the first light emitting layer, a second light emitting layer provided on the second electrode, a third electrode provided on the second light emitting layer, and a light guide structure provided between the substrate and the first electrode, guiding light emitted from the first light emitting layer to be emitted to the second light emitting area.

Display device with reflective light guide structure

An electroluminescent display device includes a substrate including a first sub pixel, a second sub pixel, and a third sub pixel, a first electrode in each of the first to third sub pixels on the substrate, an emission layer on the first electrode, and a second electrode on the emission layer, wherein the first sub pixel is provided with a first emission area including a first sub emission area and a second sub emission area, and the first sub emission area is configured to emit mixed light of first colored light and second colored light, wherein the second colored light is different from the first colored light, and the second sub emission area is configured to emit the second colored light.

Electroluminescent display device

A display device is disclosed, which is capable of preventing a leakage current between neighboring pixels. The display device includes a substrate including a first sub pixel and a second sub pixel, first electrodes patterned in the respective first and second sub pixel on the substrate, a bankwall provided between the first electrodes, a bank provided to cover an end of the first electrode and configured to expose some portions of the first electrode, an emission layer provided on the bankwall and the bank, and configured to include a first stack, a second stack, and a charge generation layer disposed between the first stack and the second stack, and a second electrode provided on the emission layer, wherein the emission layer includes a disconnected area in which the charge generation layer is disconnectedly provided by the bankwall.

Display device having a charge generation layer

An electroluminescent display device includes: a substrate, a first subpixel on the substrate, a second subpixel on the substrate, a third subpixel on the substrate, a respective first electrode in each of the first to third subpixels, an emission layer on the first electrodes, a common second electrode on the emission layer, an encapsulation layer including: a first encapsulation layer on the second electrode, and a second encapsulation layer on the first encapsulation layer, and a first semi-transmissive layer between the first encapsulation layer and the second encapsulation layer, the first semi-transmissive layer overlapping the first electrode of the first subpixel.

An electroluminescent display apparatus includes: a substrate including a first subpixel and a second subpixel; a first electrode in each of the first subpixel and the second subpixel; a partition wall between the first electrode of the first subpixel and the first electrode of the second subpixel; a light emitting layer on the first electrode and the partition wall; a second electrode on the light emitting layer; a first trench between the first electrode of the first subpixel and the partition wall; and a second trench between the first electrode of the second subpixel and the partition wall.

Electroluminescent display apparatus

A display device includes a substrate with a first subpixel area and a second subpixel area adjacent to one side of the first subpixel area; an insulating layer on the substrate having a first recessed portion on the first subpixel area, a second recessed portion on the second subpixel area and a convex portion between the first recessed portion and the second recessed portion; a reflective electrode on the insulating layer including first and second reflective electrodes on the first and second recessed portions, respectively; a first electrode including a first sub electrode on the first reflective electrode and a second sub electrode on the second reflective electrode; an organic light emitting layer on the first electrode; a bank provided between the first subpixel area and the second subpixel area while covering an end of the first electrode; a second electrode on the organic light emitting layer; and a light path change structure on the second electrode while being overlapping the bank.

Display 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.

Growing community of inventors

Paju-si, South Korea

Wooram Youn