Lg Chem, Ltd

Korea Advanced Institute of Science and Technology

Xinmei Fontana Holding (hong Kong) Limited

Yeongrae Chang

Heon Kim

Jinseok Byun

Hanna Lee

Jung Hyun Seo

Se Hyun Kwon

Kwangseok Seo

Seokhoon Jang

Jin Young Park

Kyung Moon Ko

Hee Jung Choi

Hye Min Kim

Raisa Kharbash

Young Jun Hong

Dong Hyun Kim

So Young Kim

Boo Kyung Kim

Jaeyoung Kim

Yongjoon Heo

Intaek Song

Soonhwa Jung

Kyungki Hong

Yoosik Kim

Youngsuk Kim

Joon Koo Kang

Min Soo Kim

Hyunsup Lee

Young Ji Tae

Soon Hwa Jung

Sang Hyuk Im

Seung Hun Lee

Yunah Yu

Bi Oh Ryu

Sangcholl Han

Jae Pil Koo

Duk Hun Jang

Youngseok Park

Jeongkyu Lee

Yun U Shin

Seungha Kim

Soo Kyoung Lee

Sang Heon Lee

Sooyoung Kwak

Sunghak Bae

Jaehoon Shim

Jae Hak Kim

Joo Jong Moon

Sung Su Kim

Jong Soo Do

Eun Sang Yoo

Jin Yeung Lee

Hye Min Lee

Soree Kim

Inyoung Song

Jeewoo Lim

Donghwa Seo

Changoh Kim

Jinkuk Lee

Changjong Kim

Han Sik Yun

This invention relates to an optical film comprising a light control film, and a laminate comprising a light transmitting substrate and a hard coating layer, wherein the laminate satisfies a difference between the total haze and the internal haze, and transmission diffusion distribution, within specific ranges, and a micro-LED display comprising the same.

Optical film and micro LED display comprising thereof

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

This invention relates to an anti-glare film comprising a laminate comprising a light transmitting substrate, and a hard coating layer comprising a binder resin and organic particles and inorganic particles dispersed in the binder resin, satisfying a difference between the total haze and internal haze, peak area rate of IR spectrum and transmission diffusion distribution within specific ranges, and a polarizing plate and a display apparatus comprising the same.

Anti-glare film, polarizing plate and display apparatus

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

The present disclosure relates to an anti-glare film including an acrylic substrate and a coating layer located on at least one side of the acrylic substrate, which has a specific rate of change of band area ratio in a graph derived from the result of Raman spectroscopy performed for the coating layer in the thickness direction. It also relates to a polarizing plate, and a display apparatus including the same.

The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

Anti-reflective film

The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

The present invention relates to a polarizing plate including: a polarizer; a first hard coating layer positioned on the polarizer and containing binder resin including (meth) acrylate-based (co) polymer; a light transmitting substrate positioned on the first hard coating layer, having retardation of 3000 nm or more, and having in-plane birefringence; and a second hard coating layer positioned on the light transmitting substrate and including a binder resin, and solid-type inorganic nanoparticles dispersed in the binder resin, wherein the degree of a angle formed by the slow axis of the light transmitting substrate and the absorption axis of the polarizer is 5 to 85°, and an image display device including the same.

Polarizing plate and image display device comprising the same

The present disclosure relates to a cover window for a flexible display device and a flexible display device including the cover window, wherein the cover window includes a polymer substrate including a polyamideimide block copolymer; and a hard coating layer formed on at least one surface of the polymer substrate and having a pencil hardness of 5H or more under a load of 750 g, and no crack occurs when wound on a mandrel having a diameter of 3 mm.

Cover window for flexible display device and flexible display device

The present disclosure provides a cover window for a flexible display device comprising a laminate including a light-transmitting substrate or polymer substrate; and a first hard coating layer and a second hard coating layer each formed on both surfaces of the light-transmitting substrate or the polymer substrate, wherein a ratio of a modulus of the first hard coating layer to the total modulus of the laminate is 1.5 to 2.0, and wherein a surface pencil hardness measured from the first hard coating layer side is 5H or more based on 750 g, and a flexible display device comprising the cover window.

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.

Curable composition and optical material comprising cured product thereof

The present disclosure relates to an anti-glare film including a light-transmitting substrate; and a hard coating layer containing a binder resin and particles dispersed in the binder resin, a polarizing plate, and a display apparatus including the same, wherein the particles include a first inorganic particle aggregate having an average particle diameter of 1 to 2 μm; a second inorganic particle aggregate having an average particle diameter of 3 to 5 μm; and organic particles in the form of primary particles having an average particle diameter of 1 to 10 μm.

The present disclosure relates to a composition comprising: a solvent screened using a solvent-polymer particle interaction parameter αand a solvent-(meth)acrylate binder interaction parameter α, polymer particles, and a (meth)acrylate binder, and an optical film and a display device comprising the same.

Composition for optical film, optical film and display device comprising the same

The present disclosure provides an optical laminate including a polymer substrate and an antiglare layer, wherein rubber particles having a cross-sectional diameter of 10 to 500 nm exist within 50% of the thickness of the antiglare layer from the interface between the polymer substrate and the antiglare layer, a polarizing plate including the optical laminate, and a liquid crystal display and a display device including the polarizing plate.

Optical laminate, polarizing plate, and display device

The present disclosure relates to a cover window for a flexible display device comprising: a light-transmitting substrate; and a first hard coating layer and a second hard coating layer which are formed on both sides of the light-transmitting substrate, respectively, wherein each of the first hard coating layer and the second hard coating layer has IR spectra in which a ratio of the amide C═O peak to the ester C═O peak is in a predetermined range, and a flexible display device including the cover window for a flexible display device.

Growing community of inventors

Daejeon, South Korea

Yeongrae Chang