Lg Chem, Ltd

Shengyi Technology Co., Ltd.

Byeong In Ahn

Joo Yeon Seo

Dong Mok Shin

Nari Kim

Ji Ho Kim

Hyun Seong Ko

Seijung Park

Sin Woo Kim

Hoyong Lee

Hye Mi Oh

Sehwan Son

Du Hyeon Shin

Sungjae Han

Jae Ho Jung

Myung Han Lee

Young Ji Tae

Sang Soon Choi

Young Seok Park

Dong Ho Ko

Chae Gyu Lee

Han Sol Yoo

Heon Sik Song

Chang Kwon Chung

Chang Hoon Sin

Kyung Hwan Yoon

Byung Nam Kim

Joo Eun Ko

Taesung Park

Na Ri Kim

The present disclosure provides a fluorine-based resin porous membrane exhibiting high mechanical strength and low heat shrinkage rate while having a fine pore size, and a method for preparing the same.

Fluorine-based resin porous membrane and method for preparing the same

The present disclosure relates to a porous fluorine-based resin composite membrane having excellent water repellency and oil repellency, and a method for producing the same.

Porous fluorine-based resin composite membrane and manufacturing method therefor

The present invention provides a method for preparing a porous membrane of a fluorine-based resin having an improved shrinkage while maintaining excellent filtration efficiency and air permeability.

Method for preparing porous membrane of fluorine-based resin

A porous fluorine resin film in which a fibril structure is stabilized through impregnation coating of a water-repellent and oil-repellent polymer having a high oil repellency grade, and free shrinkage also proceeds before impregnation and application of the water-repellent and oil-repellent polymer, thereby improving dimensional stability, and a method for preparing the porous fluorine resin film.

Porous fluorine resin film and preparation method thereof

The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, and absorbing blue or green light and emitting light having a wavelength different from the absorbing light, wherein the resin matrix includes a thermoplastic resin, and the color conversion film has a light emission peak with a FWHM of 60 nm or less, quantum efficiency of 80% or greater and an absorption coefficient of 30,000 Mcmor greater at a maximum absorption wavelength when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a backlight unit including the color conversion film.

Color conversion film, method for producing same, back-light unit and display apparatus

The present invention relates to an extrusion die and a method for extruding a sheet using the same, and according to one aspect of the present invention, there is provided an extrusion die comprising a storage part configured to hold a raw material, the storage part defining a first width, a pressure part configured to move the raw material through the storage part, a first die defining a second width less than the first width, such that a flow width of the raw material becomes narrower, a second die in fluid communication with the first die, the second die defining a width that increases from the second width to a third width, such that the flow width of the raw material passing through the first die becomes wider and a flow thickness becomes smaller, and a heating part configured to heat the raw material passing through the second die.

Extrusion die and extrusion method of sheet using the same

The invention described in the present specification relates to a color conversion film including: a color conversion layer which includes a resin matrix, and an organic fluorescent substance that is dispersed in the resin matrix, and emits light with a wavelength different from that of irradiated light when irradiated with light comprising a wavelength of 450 nm, in which the color conversion film includes a color shift compensation polymer, which allows a color difference change of white light emitted to be within 0.05 when an entire surface of the color conversion film is irradiated with blue light having a luminance of 600 nit at 60&#xb0; C. for 1,000 hours, in the color conversion layer or in an additional layer disposed on the color conversion layer, a backlight unit including the same, and a display device including the same.

Color conversion film, and backlight unit and display apparatus comprising same

The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the color conversion film has a light emission peak with FWHM of 70 nm or less when irradiating light having a light emission peak of a 450 nm wavelength, a FWHM of 40 nm or less and monomodal light emission intensity distribution, and a ratio of light emission intensity at 600 nm to light emission intensity at a maximum light emission wavelength is 1:3 or higher, a method for preparing the same, and a back light unit including the color conversion film.

Color conversion film and back light unit and display apparatus comprising the same

The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance dispersed in the resin matrix, wherein the organic fluorescent substance includes a green fluorescent substance having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength, and a red fluorescent substance having a maximum light emission wavelength in a 600 nm to 660 nm range when irradiating light including a 450 nm wavelength, the green fluorescent substance and the red fluorescent substance have a molar ratio of 5:1 to 50:1, and the color conversion film has a light emission peak with a full width at half maximum (FWHM) of 50 nm or less in a 510 nm to 560 nm range and a light emission peak with a FWHM of 90 nm or less in a 600 nm to 660 nm range when irradiating light, a method for preparing the same, and a backlight unit including the color conversion film.

Color conversion film, production method for same, and backlight unit and display device comprising same

The present application relates to a light guide plate unit including a reflection plate, an adhesive layer which is provided on the reflection plate and includes a bead, and a light guide plate provided on the adhesive layer, a backlight unit including the light guide plate unit, and a liquid crystal display device including the backlight unit.

Light guide plate unit, backlight unit comprising same, and liquid crystal display device

The invention described in the present specification relates to a backlight unit including a light source including a light emission lamp emitting light including a 450 nm wavelength, and an inorganic fluorescent substance provided at least a part of inside or on a surface of the lamp and having a maximum light emission wavelength in a 510 nm to 560 nm range when irradiating light including a 450 nm wavelength; and a color conversion film including an organic fluorescent substance, and having a maximum light emission wavelength in a 610 nm to 660 nm range when irradiating light emitted from the light emission lamp or the inorganic fluorescent substance, and a display apparatus including the same.

Back-light unit and display apparatus comprising same

The present invention relates to an adhesive resin composition including a styrene-ethylene-butylene-styrene copolymer with a specific chemical structure, an epoxy resin, an acid anhydride compound, and a curing catalyst, an adhesive film obtained from the resin composition, and a flexible metal laminate including the adhesive film.

Adhesive resin composition, adhesive film, and flexible metal laminate

The invention described in the present specification relates to a color conversion film including: a substrate; a color conversion layer provided on the substrate; and a pressure-sensitive adhesive or adhesive layer provided on the color conversion layer, in which the color conversion layer includes an organic fluorescent material dispersed therein and the pressure-sensitive adhesive or adhesive layer includes light diffusion particles dispersed therein, a backlight unit including the same, and a display device including the same.

Color conversion film and method for preparing the same

The invention described in the present specification relates to a color conversion film including a resin matrix; and an organic fluorescent substance, wherein the organic fluorescent substance includes a first fluorescent substance and a second fluorescent substance, and the first fluorescent substance has a light emission peak with FWHM of 60 nm or less and a Stokes shift of 30 nm or less when irradiating light having a light emission peak at 450 nm, a FWHM of 40 nm or less and monomodal light emission intensity distribution, a method for preparing the same, and a back light unit including the color conversion film.

Disclosed herein are a metallic laminate, including (i) a metal layer and (ii) a polyimide resin layer having a coefficient of thermal expansion of 19 ppm/&#xb0; C. or less and a glass transition temperature of 350&#xb0; C. or more, laminated on the metal layer, and a method of manufacturing the same. According to this invention, the metallic laminate has a good external appearance, having no foam on the polyimide resin layer.

Growing community of inventors

Daejeon, South Korea

Byeong In Ahn