Lg Display Co., Ltd.

Seongsu Jeon

Seung Hyun Kim

SeungRyong Joung

Wonhoe Koo

Hansun Park

KangJu Lee

JeaHo Park

Hongseok Choi

ChangWook Han

SoYeon Ahn

Sookang Kim

Soyoung Jo

Hyunsoo Lim

Mingeun Choi

Jihyang Jang

Hyunjoo Kim

Wooram Youn

Taewoo Jeon

Dohan Kim

Jeongdae Seo

Ki-Woog Song

Seonkeun Yoo

Shinhan Kim

Seung Kyun Kim

Jungkeun Kim

Kang Ju Lee

Mi-Young Han

Hyeseung Kang

Jicheol Shin

JeongHaeng Heo

Jungsoo Park

Seung Ryong Joung

Kangju Lee

Jeonghaeng Heo

Seungryong Joung

An organic electroluminescence device including an anode, a cathode and a light-emission layer. The light-emission layer includes a stack of a blue light-emission layer and a red/green light concurrent-emission sub-stack. Further, the red/green light concurrent-emission sub-stack includes a stack of a red light-emission layer and a green light-emission layer. The red light-emission layer contains a red host compound including an arylamino group-substituted spirobisfluorene compound. Further, the green light-emission layer contains a green host compound including a mixture between a first green host compound and a second green host compound. Also, the first green host compound includes a bis-carbazole based compound, and the second green host compound includes a carbazole-based compound.

Organic electroluminescence device

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 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

Provided are an organic electric element, a display panel and a display device including the organic electric element. The organic electric element includes a specific compound and satisfies a specific general formula related to energy levels of the component compounds so that they can have excellent efficiency or lifespan.

Organic electric element, display panel comprising the same and display device comprising the same

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.

Organic light emitting diode display device and organic light emitting diode thereof

Organic light emitting device with micro lenses and method for manufacturing the same

One embodiment of the present disclosure provides an organic light-emitting element corresponding to each pixel region. The organic light-emitting element includes a hole transport layer, a first light-emitting layer, a second light-emitting layer, a third light-emitting layer, a fourth light-emitting layer, and an electron transport layer. The first light-emitting layer includes a first dopant corresponding to a first color and a first host. The second light-emitting layer includes a second dopant corresponding to a second color different from the first color and a second host different from the first host. The third light-emitting layer includes the first dopant and the second host, and the fourth light-emitting layer includes the second dopant and the second host.

Organic light-emitting 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.

Organic light emitting display device

An organic light emitting display device is discussed. The organic light emitting display device in one embodiment includes at least one light emitting layer between an anode and a cathode, and an electron transport layer between the at least one light emitting layer and the cathode. The electron transport layer may include a first electron transport material for blocking holes from the light emitting layer to the electron transport layer, and a second electron transport material for assisting in a transfer of electrons to the light emitting layer, wherein the first electron transport material and the second electron transport material have different triplet exciton energy levels and different electron mobilities.

Growing community of inventors

Gwangmyeong-si, South Korea

Seongsu Jeon