Lg Display Co., Ltd.

Inha-industry Partnership Institute

JoonYoung Heo

Youngmi Kim

YongMin Park

YoungHoon Son

Yeonkyeong Lee

Howon Choi

Yeonsuk Kang

KyungHoon Lee

Yoonseob Jeong

Kyunghoon Lee

Jongsung Kim

JongGeun Yoon

Jinkyun Lee

Soohyun Kim

Yongmin Park

Euidoo Do

Sungbin Shim

Jang Jo

YongBaek Lee

HeeSuk Pang

ChoongKeun Yoo

Daehee Kim

JiYoung Park

Hyeju Choi

HyunMin Park

Hyesook Kim

Dongwoo Song

Hyejin Gong

Jonggeun Yoon

A light emitting display apparatus can include a plurality of first pixels arranged in a first direction of a display area displaying an image, a plurality of second pixels arranged in parallel with the plurality of first pixels in the first direction in the display area, a plurality of third pixels arranged in parallel with the plurality of second pixels in the first direction in the display area, a first emission layer wall and a second emission layer wall provided at a first outer portion and a second outer portion of outer portions surrounding the plurality of first pixels and the plurality of second pixels, a main cathode covering an upper end of a main emission layer provided in the plurality of first pixels and the plurality of second pixels, and a sub-cathode covering an upper end of a sub emission layer provided in the third pixels.

Light emitting display apparatus

A display device is disclosed, which may reduce an interval between subpixels and maximize a light emission area. The display device comprises a substrate provided with a first subpixel and a second subpixel arranged to adjoin the first subpixel, a first electrode provided in each of the first subpixel and the second subpixel on the substrate, including a first material, and an oxide insulating film provided to cover at least a portion of a side of the first electrode and made of a second material. The first material is a metal material, and the second material is an oxide of the first material.

Display device comprising a substrate having a first subpixel and a second subpixel and method for manufacturing the same

A display device comprises a substrate provided with a first subpixel and a second subpixel adjacent to the first subpixel, a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode provided on the second subpixel, an organic light emitting layer including a first organic light emitting layer arranged on the first sub electrode and a second organic light emitting layer arranged on the second sub electrode, a second electrode arranged on the organic light emitting layer, and a first bank provided between the first sub electrode and the second sub electrode, partitioning the first subpixel from the second subpixel, wherein the first organic light emitting layer includes a light emitting layer and a first hole transporting layer arranged on the light emitting layer, the first hole transporting layer includes a first sub hole transporting layer and a second sub hole transporting layer, and the first sub hole transporting layer of the first hole transporting layer covers the light emitting layer between the light emitting layer and the second sub hole transporting layer. Therefore, as the first sub hole transporting layer is provided to cover the light emitting layer of the organic light emitting layer, the organic light emitting layer may be prevented from being damaged by an exposure process or a solution process, whereby a defect rate of the complete display device may be reduced.

Display device

Display device having an oxide insulating film between subpixels and method for manufacturing the same

A display device includes a display panel including a display area from which an image is output, and the display area includes a camera area overlapping a camera disposed below a rear face of the display panel. The display device provides an imaging function achieve by the camera. The camera area includes a unit pixel area for displaying an image and a transmissive area for transmitting light therethrough. Thus, a separate area that overlaps the camera and does not display an image does not need to be present in the display area. Accordingly, increase in a bezel width and deformation of the display area due to the camera may be prevented.

Display device, and method for manufacturing the same

Display device and method for manufacturing the same

A display device comprises a first substrate having a plurality of subpixels; a lower electrode disposed in each of the plurality of subpixels on the first substrate; a light emitting layer provided on the lower electrode; and an upper electrode disposed on the light emitting layer, wherein the light emitting layer includes a photoisomerized material.

Display device including photo chromic material in light emitting layer

A display device can include a substrate provided with a first subpixel, a first electrode including a first sub electrode provided on the first subpixel, an organic light emitting layer including first and second organic light emitting layers arranged on the first sub electrode and a second organic light emitting layer arranged on the second sub electrode, a second electrode arranged on the organic light emitting layer, and an auxiliary electrode arranged between the first organic light emitting layer on the first sub electrode and the second organic light emitting layer on the first sub electrode, wherein the auxiliary electrode is connected with the second electrode. Therefore, although the first subpixel has a two-stack structure, the organic light emitting layer can emit light in accordance with a voltage of one-stack, whereby overall power consumption can be reduced.

An organic light emitting diode display device is discussed. The organic light emitting diode display device includes pixels including an organic light emitting diode, and a bank partitioning the pixels which are neighboring, and having openings exposing at least a portion of a first electrode of the organic light emitting diode allocated for each of the pixels. The bank includes at least one groove provided between the neighboring pixels in at least one area.

Organic light emitting diode display device

An organic light-emitting display having pixels comprises a planarization layer disposed on transistors, first electrodes disposed on the planarization layer and individually allocated to the pixels, a stopper disposed on the planarization layer and placed between the first electrodes neighboring each other, and a pixel definition layer that has apertures exposing respectively at least a part of the first electrodes and grooves exposing at least a part of the stopper.

Organic light-emitting display

An electroluminescent display includes a lower substrate having a display area with subpixel emission areas defined in the display area; an electrode layer on the lower substrate; a planarization layer formed on the lower substrate such that holes are formed in the planarization layer with each hole being adjacent to a respective one of the subpixel emission areas; lower electrode layer in the respective subpixel emission area; a sacrificial layer surrounding the subpixel emission area and absent at an area having the lower electrode layer; an organic emission layer on the lower electrode layer; and an upper electrode layer on the organic emission layer.

Electroluminescent display and method of manufacturing the same

A method of manufacturing an organic light emitting display device, includes forming a thin film transistor on a substrate, the substrate having emissive areas; forming a planarization layer on the thin film transistor; forming a contact hole exposing a source or drain electrode of the thin film transistor through the planarization layer; forming a first electrode connected to the source or drain electrode of the thin film transistor through the contact hole; forming a hole between adjacent emissive areas, the hole being provided in the planarization layer; forming a pixel defining layer on a portion of the first electrode and in the hole, wherein the pixel defining layer fills a portion of the hole and is provided on both side wall and floor of the hole; and forming a light emitting layer, a second electrode and an encapsulation layer sequentially on the substrate having the first electrode and the pixel defining layer.

Organic light emitting display device and method for manufacturing the same

Disclosed is a display device with integrated touch screen, in which a resistance of a touch electrode is reduced by using a black matrix. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a black matrix disposed to overlap a boundary portion between the plurality of color filters and including a three or more-layered metal layer, and a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the black matrix.

Display device with integrated touch screen

Provided is a light emitting display apparatus including a first substrate, a first electrode on the first substrate, a bank layer having an opening exposing a portion of the first electrode layer, a bank recess depressed on the bank layer, a second electrode layer on the first electrode layer and the bank layer, and a cover layer covering a lower surface and an inner side surface of the bank recess.

Light emitting display apparatus and method of manufacturing the same

The present disclosure provides a light-emitting display device including a first substrate, sub-pixels and contact holes. Each sub-pixel is positioned on the first substrate and has an emission area from which light is emitted. The contact is positioned in a hole in the emission area and serves to electrically connect a transistor of the sub-pixel to a light-emitting diode emitting light and an emission layer on the contact is to emit light in the same color as the light emitted from the emission area.

Growing community of inventors

Seoul, South Korea

JoonYoung Heo