Duk San Neolux Co., Ltd.

Hak Young Lee

Sun Hee Lee

Soung Yun Mun

Yun Suk Lee

Hyoung Keun Park

Jung Hwan Park

Jong Gwang Park

Ki Ho So

Bum Sung Lee

Jung Cheol Park

Yeon Seok Jeong

Hyo Jin Kim

Sun-Hee Lee

Won Sam Kim

Jae Taek Kwon

Yeon Hee Choi

Hyung Dong Lee

Mun Jae Lee

Min Ji Jo

Jae Wan Jang

Jun Bae

Kiho So

Hyo Min Jin

Changmin Lee

Kyung Soo Kim

Jonggwang Park

Yeon Soo Lee

Nam Jin Park

Yeonseok Jeong

Jae Ho Kim

Ju Cheol Kwon

Jin Hyun Kim

Provided are a method for preparing a pixel defining layer comprising applying and coating, pre-baking, exposing to light, developing, and post-baking of a photosensitive composition containing a colorant having a pigment with an average particle size of 100 nm or less, wherein the coated film generated after the post-baking has an optical density of 0.8/μm to 2.0/μm, a roughness of 3.0 nm or less, and no residue; and an organic light emitting display device comprising the pixel defining layer obtained by the method which has improved display reliability and lifetime as well as vivid colors.

Method for preparing pixel define layer

Provided are a novel compound capable of improving the luminous efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof.

Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof

Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.

Compound for organic electric element, organic electric element using the same, and electronic device thereof

Provided are a compound capable of improving luminous efficiency, stability and lifespan of an organic electronic element employing the same, an organic electronic element employing the same, and an electronic device thereof.

The present invention provides the compound represented by Formula 1, an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device thereof, and by comprising the compound represented by Formula 1 in the organic material layer, the driving voltage of the organic electric element can be lowered, and the luminous efficiency and life time of the organic electric element can be improved.

Compound for an organic electric element, an organic electric element using the same, and an electronic device thereof

Disclosed is a compound represented by chemical formula (1). In addition, disclosed is an organic electronic element comprising: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer contains the compound represented by chemical formula (1). Light-emitting efficiency, stability and lifespan may be enhanced when the compound represented by chemical formula (1) is contained in the organic layer.

Compound for organic electronic element, organic electronic element using same and electronic device therefor

Provided are a compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.

Provided is an organic electronic element comprising a hole transport layer containing a compound of Formula (1) and an emitting auxiliary layer containing a compound of Formula (2), capable of improving the light emitting efficiency, stability, and life span of an electronic device using the same.

Compound for organic electronic element, organic electronic element using the same, and an electronic device

Provided are a compound of Formula 1 and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device comprising the organic electric element, wherein the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.

Compound for organic electronic element, organic electronic element comprising the same, and electronic device thereof

Provided is a novel compound for EBL capable of improving the light emitting efficiency, stability and life span of a device, and an organic electric element and an electronic device using the same.

Compound for organic electric element, organic electric element using the same, and electronic device comprising same

Provided is an organic electronic element comprising a hole transport layer containing a compound of Formula (3) or (4) and an emitting auxiliary layer containing a compound of Formula (2), capable of improving the light emitting efficiency, stability, and life span of an electronic device using the same.

Growing community of inventors

Cheonan-si, South Korea

Hak Young Lee