Lg Display Co., Ltd.

Tae-Han Park

Jong-Hyun Park

Kyung-Hoon Lee

Hyun-Cheol Jeong

Dong-Hee Yoo

Seung-Jae Lee

Soon-Wook Cha

Do-Han Kim

In-Bum Song

Jong-Kwan Bin

Jung-Keun Kim

Chun-Gun Park

Nam-Sung Cho

Dong-Young Kim

Ho-Won Choi

Jong-Sung Kim

In-Sun Yoo

Hyoung-Yun Oh

Jong-hyun Park

An organic light emitting display device includes: light emitting diodes respectively located in first to third sub-pixels on a substrate and respectively emitting red, green and blue color lights output upward through emission regions of the first to third sub-pixels; and a reflection structure located in a non-emission region surrounded by the first to third sub-pixels and including reflection side surfaces which are inclined and respectively face the emission regions of the first to third sub-pixels, wherein the reflection side surface reflects a light incident thereon from the corresponding emission region upward.

Organic light emitting display device including reflection structure

A red phosphorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein the is one of and each of R1 to R4 is one of the group consisting of hydrogen atom (H), C1 to C6 substituted or non-substituted alkyl group, C1 to C6 substituted or non-substituted alkoxy group, and halogen atom.

Red phosphorescent composition and organic electroluminescent device using the same

A blue fluorescent compound includes a host material being capable of transporting an electron or a hole; and a dopant material represented by following Formula 1: wherein at least two of the R1, the R2, the R3, and the R4 are selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group, and the R5 is selected from substituted or non-substituted aromatic group or substituted or non-substituted heterocyclic group.

Blue fluorescent composition and organic electroluminescent device using the same

Disclosed are an organic light emitting display device with improved yield and processing efficiency, which includes an interlayer capable of being separated into a hydrophilic region and a hydrophobic region on top of a hole injection layer in an organic light emitting device and a plurality of layers including a light emitting layer and which is fabricated without using a shadow mask, as well as a method for manufacturing the same. The manufacturing method includes preparing a substrate having a plurality of pixel regions defined in a matrix form, arranging an anode in each of the pixel regions, forming a hole injection layer on the anode by the solution process, forming an interlayer with hydrophobic properties on the hole injection layer by a solution process, selectively UV irradiating the interlayer to define a hydrophilic region on the interlayer, forming a light emitting layer on the interlayer by the solution process, and arranging a cathode on the substrate having the light emitting layer.

Organic light emitting display device and method for manufacturing the same

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Seoul, South Korea

Tae-Han Park