Lg Display Co., Ltd.

Wonhoe Koo

Sookang Kim

Hyunsoo Lim

Jihyang Jang

Mingeun Choi

KangJu Lee

Soyoung Jo

Hansun Park

Seongsu Jeon

SeungRyong Joung

Kyunghoon Han

Dongmin Sim

Taemin Kim

Hyekyung Choi

JeaHo Park

Jintae Kim

YongCheol Kim

Jaeho Lee

Hongseok Choi

ChangWook Han

SoYeon Ahn

Hyunjoo Kim

Wooram Youn

Yonghoon Choi

YoungDock Cho

Bongchul Kim

Kang Ju Lee

Seung Ryong Joung

Kangju Lee

Kyung Hoon Han

JiHyeon Park

A display device includes, a light emitting element which is disposed in each of a plurality of subpixels and includes a first blue light emitting layer, a green light emitting layer on the first blue light emitting layer, and a second blue light emitting layer on the green light emitting layer; a first light conversion layer disposed in a first subpixel among the plurality of subpixels; and a second light conversion layer disposed in a second subpixel among the plurality of subpixels and having higher light conversion efficiency than the first light conversion layer, thus, the second light conversion layer having high light conversion efficiency is disposed in the second subpixel which is a red subpixel, thereby improving the luminance of the red light.

Display device display device with subpixels including a white quantum dot

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

An organic light emitting display apparatus can include a substrate including a plurality of pixels, a transistor on the substrate, an over coating layer on the transistor, a plurality of organic light emitting diodes on the over coating layer corresponding to the plurality of pixels, an encapsulation layer on the plurality of organic light emitting diodes, an adhesive member on the encapsulation layer, and an encapsulation substrate on the adhesive layer. Also, the plurality of pixels include at least first, second and third pixels that emit different color lights, and each of the plurality of organic light emitting diodes includes a first electrode on the over coating layer, a light emitting portion on the first electrode, and a second electrode on the light emitting portion. Also, the light emitting portion includes a first light emitting portion and a second light emitting portion, and elements have certain thicknesses and spatial arrangements.

Organic light emitting display apparatus having pixels of different structures

An organic light emitting display apparatus includes a substrate including a plurality of pixels having a plurality of sub-pixels, a plurality of organic light emitting elements disposed at the plurality of sub-pixels, a plurality of light extraction patterns disposed on the plurality of organic light emitting elements and having different size at each of the plurality of sub-pixels, an encapsulation part disposed on the plurality of organic light emitting elements, and a planarization layer configured to planarize an upper portion of the plurality of the encapsulation part. The plurality of light extraction patterns are disposed on the planarization layer.

Organic light emitting display apparatus

An organic light emitting display apparatus includes a substrate including a plurality of pixels. The organic light emitting display apparatus further includes a plurality of organic light emitting diodes on the substrate so as to correspond to the plurality of pixels. The plurality of pixels includes a first pixel, a second pixel, a third pixel, and a fourth pixel which emit different color light. Each of the plurality of organic light emitting diodes includes a first electrode, a light emitting portion on the first electrode and a second electrode on the light emitting portion. A thickness of the first electrode of the first pixel is different from a thickness of the first electrode of the second pixel, and the thickness of the first electrode of the second pixel is different from a thickness of the first electrode of the third pixel.

An organic light emitting display device and a method for manufacturing the same are disclosed. The organic light emitting display device includes a substrate divided into an emission area and a non-emission area, an overcoat layer disposed on the substrate and including a plurality of micro lenses in the emission area, a first electrode disposed on the overcoat layer and disposed in the emission area, an organic emission layer disposed on the substrate and having at least one layer which is flatly formed in the emission area, and a second electrode disposed on the organic emission layer.

Organic light emitting display device and method for manufacturing the same

An organic light emitting display apparatus include a substrate including a plurality of pixels having a plurality of sub-pixels, a plurality of organic light emitting elements disposed at the plurality of sub-pixels, and a plurality of light extraction patterns on the plurality of organic light emitting elements and having different shapes at each of the plurality of sub-pixels.

A light emitting display apparatus includes a substrate including a plurality of sub-pixels; an overcoating layer on the substrate and having a base portion and a protrusion portion; a first electrode disposed to cover a side portion of the protrusion portion and the base portion at the plurality of sub-pixels; a bank layer covering a portion of the first electrode and the overcoating layer; and a light emitting layer and a second electrode on the first electrode and the bank layer at the plurality of sub-pixels. The first electrode includes a reflective layer and a transparent conductive layer on the reflective layer, the transparent conductive layer includes a first portion on the base portion and a second portion on a side surface of the protrusion portion, and a thickness of the second portion is greater than a thickness of the first portion.

Light emitting display apparatus having improved light extraction and color gamut

An organic light-emitting display device and a method of fabricating the same. The organic light-emitting display device includes a substrate including a plurality of subpixels and an overcoat layer disposed in light-emitting areas of the plurality of subpixels. The overcoat layer includes microlenses composed of a plurality of concave portions or a plurality of convex portions. Organic electroluminescent devices are disposed on the overcoat layer. At least one subpixel of the plurality of subpixels includes first microlenses and second microlenses of the microlenses, the second microlenses being different from the first microlenses.

Organic light-emitting display device including microlenses and method of fabricating the same

A light emitting display apparatus according to an exemplary embodiment of the present disclosure includes an insulating layer on a substrate and including a base portion and a protrusion portion having an uneven portion at a part of the base portion, a first electrode covering an upper portion of the base portion and a side portion and a upper portion of the protrusion portion and disposed along the shape of the uneven portion, a bank layer covering a part of the insulating layer and a part of the first electrode, and an emission layer on the first electrode and the bank layer, and a second electrode on the emission layer.

Light emitting display apparatus

A light emitting display apparatus includes a substrate including a plurality of sub-pixels, each of the plurality of sub-pixels including a light emitting area and a reflective area surrounded by the light emitting area, an overcoating layer on the substrate, a partition at the reflective area on the overcoating layer, a light emitting element at the light emitting area on the overcoating layer, and a reflective part on the partition and formed of a same material as the light emitting element.

A light emitting display apparatus can include an insulating layer on a substrate and the insulating layer includes a base portion and a protrusion portion. The light emitting display apparatus further includes a first electrode covering an upper portion of the base portion and a side portion and an upper portion of the protrusion portion. The light emitting display apparatus further includes a bank layer covering a portion of the insulating layer and a portion of the first electrode and having a concave portion. The light emitting display apparatus further includes a light emitting layer on the first electrode and the bank layer, and a second electrode on the light emitting layer.

A light emitting display apparatus according to an exemplary embodiment of the present disclosure includes a plurality of light emitting elements on a substrate, an encapsulation part on the plurality of light emitting elements, a plurality of light collecting patterns on the encapsulation part and formed of an inorganic material, and an organic layer on the encapsulation part and the plurality of light collecting patterns and formed of a material having a refractive index lower than a refractive index of the plurality of light collecting patterns.

There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.

Growing community of inventors

Goyang-si, South Korea

Wonhoe Koo