公开(公告)号：US20160230960A1

公开(公告)日：2016-08-11

申请号：US15014556

申请日：2016-02-03

Applicant: LG CHEM, LTD.

Inventor： Joon Yeon SEO ,  Byeong In Ahn ,  Dong Mok Shin ,  Nari Kim ,  Kyung Yul Bae ,  Ji Ho Kim

IPC: F21V9/16 ,  G02B1/14 ,  G02B1/04 ,  F21V33/00

CPC classification number: G02B1/04 ,  G02B1/14 ,  C08L2666/70

Abstract: The invention described in the present specification relates to a color conversion film including a color conversion layer 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; and a sticking sheet provided on at least one surface of the color conversion layer, and including a cured material of a radical curable component, a method for manufacturing the same, and a back light unit.

Abstract translation: 本说明书中描述的本发明涉及一种包括具有树脂基质的颜色转换层的颜色转换膜; 和分散在树脂基质中的有机荧光物质，并且吸收蓝色或绿色光并发射具有与吸收光不同的波长的光; 以及设置在所述颜色转换层的至少一个表面上的粘贴片，并且包括可自由基固化组分的固化材料，其制造方法和背光单元。

公开(公告)号：US11654403B2

公开(公告)日：2023-05-23

申请号：US17044745

申请日：2019-07-09

Applicant: LG CHEM, LTD.

Inventor： Sin Woo Kim ,  Seijung Park ,  Byeong In Ahn ,  Hyun Seong Ko

IPC: B01D71/32 ,  B01D67/00 ,  B01D69/02 ,  B01D69/12

CPC classification number: B01D71/32 ,  B01D67/0093 ,  B01D69/02 ,  B01D69/12 ,  B01D2325/02 ,  B01D2325/04 ,  B01D2325/38

Abstract: 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.

公开(公告)号：US11344836B2

公开(公告)日：2022-05-31

申请号：US16628601

申请日：2018-11-23

Applicant: LG CHEM, LTD.

Inventor： Sin Woo Kim ,  Byeong In Ahn ,  Hyun Seong Ko ,  Seijung Park

IPC: B01D53/22 ,  B01D46/02 ,  B01D69/02 ,  B01D71/34 ,  B01D71/36 ,  C08J5/24 ,  C08J9/36

Abstract: 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.

公开(公告)号：US20170159910A1

公开(公告)日：2017-06-08

申请号：US15368256

申请日：2016-12-02

Applicant: LG CHEM, LTD.

Inventor： Joo Yeon SEO ,  Byeong In Ahn ,  Dong Mok Shin ,  Nari Kim ,  Seijing Park ,  Taesung Park ,  Ji Ho Kim ,  Hye Mi Oh

IPC: F21V9/16 ,  G02B1/14

CPC classification number: F21V9/30 ,  G02B1/14 ,  G02B6/00 ,  G02B6/0001 ,  G02F1/133615 ,  G02F2001/133614

Abstract: 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.

公开(公告)号：US11872531B2

公开(公告)日：2024-01-16

申请号：US16966826

申请日：2019-10-18

Applicant: LG CHEM, LTD.

Inventor： Sungjae Han ,  Joo Yeon Seo ,  Byeong In Ahn

IPC: B01D71/36 ,  B01D69/02 ,  B01D67/00

CPC classification number: B01D71/36 ,  B01D67/0027 ,  B01D69/02 ,  B01D2323/08 ,  B01D2325/023 ,  B01D2325/025 ,  B01D2325/04 ,  B01D2325/22 ,  B01D2325/24

Abstract: 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.

公开(公告)号：US11267180B2

公开(公告)日：2022-03-08

申请号：US16481681

申请日：2018-01-26

Applicant: LG Chem, Ltd.

Inventor： Chae Gyu Lee ,  Myung Han Lee ,  Byeong In Ahn ,  Kyung Hwan Yoon ,  Chang Kwon Chung

IPC: B29C48/305 ,  B29C48/00 ,  B29C48/80 ,  B29C48/885 ,  B29C48/08 ,  B29C48/86 ,  B29C48/92 ,  B29L7/00 ,  B29C48/475 ,  B29C48/485 ,  B29C48/285 ,  B29C48/29

Abstract: 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.

公开(公告)号：US10962705B2

公开(公告)日：2021-03-30

申请号：US15009447

申请日：2016-01-28

Applicant: LG CHEM, LTD.

Inventor： Dong Mok Shin ,  Byeong In Ahn ,  Nari Kim ,  Ji Ho Kim ,  Joo Yeon Seo

IPC: C09K11/06 ,  C09K11/02 ,  F21V8/00 ,  F21K9/64

Abstract: 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.

公开(公告)号：US10591663B2

公开(公告)日：2020-03-17

申请号：US16082485

申请日：2017-04-13

Applicant: LG CHEM, LTD.

Inventor： Han Sol Yoo ,  Dong Ho Ko ,  Byeong In Ahn ,  Jae Ho Jung ,  Hyun Seong Ko ,  Sin Woo Kim

IPC: G02B5/124 ,  F21V8/00 ,  G02F1/1335 ,  C09J11/04 ,  C09J125/06 ,  C09J133/12

Abstract: 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.

公开(公告)号：US10131836B2

公开(公告)日：2018-11-20

申请号：US15010482

申请日：2016-01-29

Applicant: LG CHEM, LTD.

Inventor： Dong Mok Shin ,  Byeong In Ahn ,  Nari Kim ,  Hoyong Lee ,  Ji Ho Kim ,  Joo Yeon Seo

IPC: C09K11/06 ,  G02F1/1335

Abstract: 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.

公开(公告)号：US11420162B2

公开(公告)日：2022-08-23

申请号：US16651618

申请日：2018-10-24

Applicant: LG CHEM, LTD.

Inventor： Joo Yeon Seo ,  Sungjae Han ,  Byeong In Ahn

IPC: B01D53/22 ,  B01D67/00 ,  B01D71/36 ,  B01D69/02

Abstract: 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.