Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Heon Kim

Yeong Rae Chang

Sung-Ho Chun

Yeongrae Chang

Se Hyun Kwon

Won-Kook Kim

Sung-Cheol Yoon

Tae-Sun Lim

Seokhoon Jang

Yeong-Rae Chang

Hye Min Kim

Jung-Min Lee

Sung Ho Chun

Seok Hoon Jang

Boo Kyung Kim

Dai-Seung Choi

Kyoung-Hoon Kim

Jin Seok Byun

Hye Won Jeong

Sung Joon Oh

Min Young Lim

Dong-Woo Yoo

Keon Woo Lee

Hee Jung Choi

Byung Hyun Lee

Joon-Koo Kang

Hye-Min Kim

Sung-Joon Oh

Yu-Chan Kang

Kyungjun Kim

Han Na Lee

Jinseok Byun

Sung Cheol Yoon

Soon-Hwa Jung

Jeong-su Yu

Raisa Kharbash

Jaeyoung Kim

Hye-Young Jung

Young Suk Kim

Jae-Pil Koo

Yoosik Kim

Kyun Il Rah

Byung Sun Lee

Eung Jin Jang

Sung Hyun Nam

Joon Koo Kang

Dai Seung Choi

Kyung Ki Hong

Kyung Jun Kim

Sung-Don Hong

Soon Hwa Jung

Jong Hyun Jung

Young Whan Park

Won Kook Kim

Soonhwa Jung

Young Chul Won

Yongjoon Heo

Kyung Lim Paik

Taesun Lim

Jungho Jo

Dmitry Kravchuk

Moon Soo Park

Ji Young Kim

Jung Ho Jo

In-Seok Hwang

Sergey Belyaev

Jung Hyun Seo

Jin Yong Park

Jung Min Lee

Hyunsup Lee

Sun Kug Kim

Kwangseok Seo

Byoung-Kun Jeon

Sung Don Hong

Kyung-Jun Kim

Hye-Ran Seong

Jin-Young Park

Young-Suk Kim

Young-Whan Park

Sang-Kook Kim

Min-Young Lim

Jungmin Lee

Youngsuk Kim

Kyung-Lim Paik

Sang-Doo Ahn

Sooyoung Kwak

Deok Woo Park

Yong Suk Kim

Hong Jun Choi

Beom-Seok Kim

Hye-Won Jeong

Eun Sang Yoo

Dong-Hyun Oh

Keon-Woo Lee

Jung-Ho Jo

Yun-Jeong Lee

Jong-Chan Kim

Hee-Jin Lee

Byung-Hyun Lee

Sung-cheol Yoon

A diffraction light guide plate comprising an optical layer having diffraction lattice pattern formed as an integrated structure without an interface on one surface thereof, where the optical layer having diffraction lattice pattern is a continuous phase of polymer comprising an episulfide compound, a thiol compound, and an aromatic cyclic compound having two or more hydroxyl groups, the diffraction light guide plate having excellent thickness uniformity and flatness as well as low haze and excellent visibility, and excellent mechanical properties such as pencil hardness and strength, and a method for manufacturing the diffraction light guide plate.

Diffraction light guide plate and manufacturing method thereof

A curable composition comprising an episulfide compound represented by Chemical Formula 1 and an aromatic ring compound containing two or more hydroxyl groups represented by Chemical Formula 2 or 3, and an optical material including a cured product of the curable composition.

Curable composition and optical material comprising cured product thereof

A curable composition for forming a high refractive index optical material, the curable composition comprising an episulfide compound; sulfur-containing organic particles comprising a specific content of sulfur atoms; and a reducing agent, and an optical material comprising the curable composition.

Curable composition and optical material

A curable composition for forming a high refractive index optical material, the curable composition including an episulfide compound, a thiol compound and an aromatic ring compound containing two or more hydroxyl groups, and an optical material including a cured product of the curable composition.

The present disclosure relates to a photopolymer composition, and more particularly, to a compound having a novel structure, a photopolymer composition including the compound as a dye, a hologram recording medium produced from the photopolymer composition, an optical element including the hologram recording medium, and a holographic recording method using the photopolymer composition.

Photopolymer composition

The present disclosure relates to a hologram recording medium having one surface with a higher surface energy than a polymer resin layer containing at least one polymer selected from the group consisting of triacetyl cellulose, alicyclic olefin polymer and polyethylene terephthalate, a hologram recording medium wherein the surface energy of any one surface is 50 mN/m or more, and an optical element comprising the hologram medium.

Hologram medium

A curable composition for forming a high refractive index optical material including an episulfide compound, a cyclic disulfide compound, and a reducing agent, and an optical material comprising a cured product of the curable composition.

The present disclosure relates to a photopolymer composition including a polymer matrix or a precursor thereof having a predetermined chemical structure; a photoreactive monomer; and a photoinitiator, a hologram recording medium, an optical element and a holographic recording method using the same.

The present disclosure relates to a photopolymer composition for hologram production comprising a polymer matrix or a precursor thereof having a glass transition temperature of 80&#xb0; C. or less; a photoreactive monomer; a low refractive index fluorine-based compound; and a photoinitiator, a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the hologram recording medium.

The present disclosure is to provide a photopolymer composition including a polymer matrix or a precursor thereof including a reaction product of a reactive isocyanate compound having a hydrogen bonding functional group capable of forming multiple hydrogen bonds and at least one isocyanate group, and a polyol having at least two hydroxyl groups; a photoreactive monomer; and a photoinitiator, a hologram recording medium produced from the photopolymer composition, an optical element including the photopolymer composition and a holographic recording method using the photopolymer composition.

The present invention relates to a film for blocking ultraviolet rays that has excellent light resistance, thus exhibiting stable UV blocking performance for a long time, and has a low haze value, and thus is suitable for protecting an organic light emitting device and the like from the external light source.

Film for blocking ultraviolet rays

Provided is a photopolymer composition for hologram recording comprising: 

Described herein is an anti-reflective film including: a hard coating layer; and a low-refractive layer containing a binder resin and hollow inorganic nanoparticles and solid inorganic nanoparticles dispersed in the binder resin. The hollow and solid inorganic particles are dispersed in the low-refractive layer such that the amount of the solid inorganic nanoparticles positioned close to an interface between the hard coating layer and the low-refractive layer is larger than that of the hollow inorganic nanoparticles. Also described is a manufacturing method of the anti-reflective film including: applying a resin composition containing a photopolymerizable compound or a (co)polymer thereof, a fluorine-containing compound including a photoreactive functional group, a photoinitiator, hollow inorganic nanoparticles, and solid inorganic nanoparticles on a hard coating layer, and drying the applied resin composition at a temperature of 35&#xb0; C. to 100&#xb0; C.; and photocuring the dried resin composition.

Anti-reflective film and manufacturing method thereof

The present disclosure relates to a hologram medium comprising: a polymer substrate including a polymer resin in which a silane-based functional group is located in a main chain or a branched chain, wherein a fine pattern is formed on at least one surface of the polymer substrate, and an optical element.

Hologram medium and optical element

A photopolymerizable composition including: a polymer matrix or a precursor thereof containing a reaction product of an acrylate-based polyol and a compound containing at least one isocyanate group; a photoreactive monomer; and a non-reactive fluoro compound and a photoinitiator; a hologram recording medium produced from the composition; an optical element including the hologram recording medium; and a method of recording a hologram using the photopolymerizable composition.

Non-reactive fluoro compound and photopolymer composition comprising the same

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Daejeon, South Korea

Heon Kim