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    • 5. 发明公开
    • 광확산 필름 및 이를 구비한 백라이트 유닛
    • 用于具有相同功能的液晶显示器的光扩散膜和背光单元
    • KR1020120016529A
    • 2012-02-24
    • KR1020100078976
    • 2010-08-16
    • 도레이첨단소재 주식회사
    • 이용훈김상필황창익이문복정인식
    • G02B5/02G02F1/1335
    • G02B5/0242G02B5/0226G02B6/004G02B6/0055G02F1/133606
    • PURPOSE: A light diffusion film and a backlight unit including the same are provided to improve brightness by enhancing condensing efficiency and regularity of a surface structure of a diffusion layer. CONSTITUTION: A light diffusion film(100) comprises a base film(130), a first diffusion layer(110), and a second diffusion layer(120). The first diffusion layer is laminated in one side of the base film and fixes a first optical diffusion particle(111) in first binder region(112). The second diffusion layer is laminated on the top of the first diffusion layer and fixes a second optical diffusion particle(121) in second binder region(122). A refractive index and average particle diameter of the second optical diffusion particle and the first optical diffusion particle are different.
    • 目的:提供一种光漫射膜和包括该光漫射膜的背光单元,以通过提高扩散层的表面结构的冷凝效率和规则性来改善亮度。 构成:光扩散膜(100)包括基膜(130),第一扩散层(110)和第二扩散层(120)。 第一扩散层层叠在基膜的一侧,并将第一光学扩散粒子(111)固定在第一粘合剂区域(112)中。 第二扩散层层叠在第一扩散层的顶部上,并将第二光学扩散粒子121固定在第二粘结区域122中。 第二光学扩散粒子和第一光学扩散粒子的折射率和平均粒径不同。
    • 7. 发明公开
    • 광확산용 발포수지 필름 및 그를 이용한 광확산 필름
    • 用于光扩散和光扩散膜的泡沫塑料薄膜
    • KR1020130077669A
    • 2013-07-09
    • KR1020110146508
    • 2011-12-29
    • 도레이첨단소재 주식회사
    • 이용훈김연수황창익엄상열
    • C08J5/18B32B5/20C08J7/04G02B5/02
    • G02B5/0247G02B5/0268G02B5/0278
    • PURPOSE: A foaming resin film for light diffusion is provided to have the shielding security and the brightness improvement effect by controlling the density of porosity layer on the surface of the foamed sheet and forming the inner void or size to a desired size. CONSTITUTION: A foaming resin film for light diffusion (10) is formed with a foam layer (13) inside a thermoplastic polymer resin film (11). The foam layer is formed on both sides along the surface of the film. The depth of the foam layer is 40% or less of the total thickness of film from the surface. Bubbles (12) forming the foam layer has 50-130 micron of an average diameter. The brightness degradation rate of the film is 5% or less in comparison with a sheet with the same thickness and no foam layers. A light diffusing film comprises the foaming resin film for light diffusion and a light diffusing coating layer laminated on the film.
    • 目的:通过控制发泡片材表面上的孔隙层密度并将内部空隙或尺寸形成所需尺寸,提供了用于光扩散的发泡树脂膜以具有屏蔽安全性和亮度改善效果。 构成:在热塑性聚合物树脂膜(11)的内部,形成有用于光扩散的发泡树脂膜(10),其具有发泡层(13)。 泡沫层沿着膜的表面形成在两侧。 泡沫层的深度为表面总膜厚的40%以下。 形成泡沫层的气泡(12)具有50-130微米的平均直径。 与具有相同厚度且没有泡沫层的片材相比,膜的亮度降低率为5%以下。 光漫射膜包括用于光漫射的发泡树脂膜和层压在膜上的光漫射涂层。