Lg Display Co., Ltd.

Dong-Hee Yoo

Jong-Hyun Park

Kyung-Hoon Lee

Jong-Kwan Bin

Hyun-Cheol Jeong

Tae-Han Park

Seung-Jae Lee

Soon-Wook Cha

Do-Han Kim

In-Bum Song

Jung-Keun Kim

Chun-Gun Park

Nam-Sung Cho

Seung Jae Lee

Kyung Hoon Lee

Nam Sung Cho

Jung Keun Kim

Chun Gun Park

In Bum Song

In-Sun Yoo

Hyoung-Yun Oh

Yeon-Suk Kang

Seog-Shin Kang

Do Han Kim

Soon Wook Cha

Tae Han Park

Jong-hyun Park

Hyun-cheol Jeong

An organic light emitting diode display device in one example includes a substrate including first to third subpixels, a first electrode in each of the first to third subpixels, a hole injection layer on the first electrode in each of the first to third subpixels, first to third light emitting layers each on the hole injection layer in each of the first to third subpixels, first to third inorganic patterns which are on the first to third emitting layers in the first to third subpixels, respectively, an electron injection layer which is on the first to third inorganic patterns and is over the entire surfaces of the first to third subpixels, and a second electrode which is on the electron injection layer and is over the entire surfaces of the first to third subpixels.

Organic light emitting diode display device

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 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: 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.

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

Dong-Hee Yoo