Abstract:
PURPOSE: A reflection sheet for a backlight unit is provided to offer a reflection sheet for the backlight unit in which a surface protection layer is laminated. CONSTITUTION: A reflection sheet for a backlight unit comprises a base film(6) which can be a transparent film or a reflection film and a surface protection layer(10) of which a surface roughness is 3 ~ 10μm. In other side of the base film a transparent film or a reflection film is attached by an adhesive layer. Protrusions are formed on the surface protection layer by inducing a hardened binder resin, a polymerization initiator, and solvent.
Abstract:
The present invention relates to a back sheet for a solar cell having a self-recovery function and a solar cell module using the same. The back sheet for the solar cell is able to simply self-recover mechanical properties and UV-blocking properties by forming a polymer resin layer which includes: titanium dioxide at one side or both sides; spherical micro capsules containing self-recovering composite materials; and a catalyst which activates the self-recovery. Consequently, the durability is improved remarkably, thereby providing the solar cell back sheet having a longer life and high reliability, and the solar cell containing the back sheet.
Abstract:
PURPOSE: A solar cell back sheet with an improved heat radiation property and a manufacturing method thereof are provided to improve a heat radiation property by using an adhesive including a heating filler. CONSTITUTION: A solar cell(12) is formed on a front glass(11). The solar cell includes an ethylene-vinyl acetate copolymer layer(13). A back sheet layer(14) is formed on the solar cell. The back sheet layer includes a polyethylene layer(15), an adhesive layer(16), and a polyethylene terephthalate layer(17). The adhesive layer includes a heating filler(18) inside.
Abstract:
PURPOSE: A back sheet for a solar cell module having an excellent heat dissipating property and a manufacturing method thereof are provided to improve the heat dissipating property of a back sheet by forming an organic compound layer at least on one side of a base material layer. CONSTITUTION: A back sheet layer(14) comprises an organic compound layer(15), a polyethylene(16), and a polyethylene terephthalate layer(17). An ethylene-vinyl acetate copolymer layer(13) is formed on the back sheet layer. A solar cell(12) is located on the ethylene-vinyl acetate copolymer layer. Front glass(11) is located on the solar cell.
Abstract:
PURPOSE: A back sheet for a solar cell having an excellent heat releasing property and a preparing process thereof are provided to limit the temperature rise of the solar cell module, by using an adhesive layer including carbon fiber. CONSTITUTION: An adhesive layer(13) includes carbon fiber. The adhesive of the adhesive layer is a group of epoxy, acryl, silicon, urethane, and polyamidimid. The hardness of adhesive is 5B to 3H. The weight average major axis radius of the carbon fiber is 0.1 to 50μm. The weight average minor axis radius of the carbon fiber is 5μm to 0.05.
Abstract:
PURPOSE: A back sheet for a solar cell with superior heat dissipation properties and a manufacturing method thereof are provided to improve power generation efficiency by suppressing a temperature increase of a solar cell module by forming an organic compound layer on one or both sides of a base material layer. CONSTITUTION: An ethylene vinyl acetate copolymer layer(13) is formed on a back sheet layer(14). The back sheet layer comprises an organic compound layer(15), a polyethylene layer(16), and a polyethylene terephthalate layer(17). A solar cell(12) is located on the ethylene vinyl acetate copolymer layer. A front glass(11) is located on the ethylene vinyl acetate copolymer layer.
Abstract:
본 발명은 반사특성을 효율적으로 제어한 태양전지 백시트 및 이를 사용한 태양전지 모듈에 관한 것으로, 상기한 본 발명의 반사특성을 제어한 태양전지 백시트는 단층, 또는 전기절연층, 배리어층 및 내후성 필름이 적층되어 다층구조의 기재층으로 형성된 태양전지 백시트에 있어서, 상기 각 층은 폴리에틸렌(PE), 폴리프로필렌(PP), 폴리에틸렌테레프탈레이트(PET), 폴리페닐렌설파이드(PPS), 폴리에틸렌나프탈레이트(PEN), 폴리비닐플루오라이드(PVF), 폴리비닐리덴플루오라이드(PVDF), 에틸렌테트라플루오르에틸렌(ETFE), 폴리클로로트리플루오로에틸렌(PCTFE), 에틸렌클로로트리플루오로에틸렌(ECTFE) 또는 무기화합물로 이루어진 군에서 선택되며, 상기 기재층의 일면에 표면조도(Ra)가 3 내지 50㎛인 볼록 형상의 미세요철이 형성된 것임을 특징으로 한다. 상기와 같이 구성되는 본 발명의 태양전지 백시트는 기재층 일면에 입자를 포함하는 도료의 도포 또는 수지에 형태를 전사하는 방식을 통해 제조기술상 문제점 없이 일정한 표면 조도의 볼록 형상 미세요철을 형성함에 의하여, 태양전지에 입사한 태양 광의 이동 경로를 효율적으로 제어할 수 있게 되었으며, 백시트에서 반사되어 바이페이셜 셀의 후면에 도달하는 광량이 증가하므로 결과적으로 태양전지 모듈의 발전효율이 증가하도록 반사특성을 제어한 태양전지 백시트를 제공한다.
Abstract:
본 발명은 태양전지의 방열 특성을 개선하기 위해 특정한 전열성 필러를 포함하는 접착제를 사용하여 형성된 다층 구조의 태양전지 백시트 및 그 제조방법과 상기 태양전지 백시트를 구비하는 태양전지 모듈에 관한 것으로, 상기한 본 발명의 방열특성이 우수한 태양전지 백시트는 전열성 필러를 포함하는 접착제를 사용하여, 폴리에틸렌(PE), 폴리에틸렌테레프탈레이트(PET), 폴리페닐렌설파이드(PPS), 폴리에틸렌나프탈레이트(PEN), 폴리비닐플루오라이드(PVF), 폴리비닐리덴플루오라이드(PVDF), 에틸렌테트라플루오르에틸렌(ETFE), 폴리클로로트리플루오로에틸렌(PCTFE), 에틸렌클로로트리플루오로에틸렌(ECTFE) 또는 무기화합물로 이루어진 그룹에서 선택된 층을 적층하여 형성된 것임을 특징으로 한다. 상기와 같이 구성되는 본 발명의 방열 특성이 우수한 태양전지 백시트는 단지 전열성 필러를 포함하는 접착제를 사용함에 의해 제조기술상 문제점과 같은 종래의 문제점 없이 백시트의 방열특성을 우수하게 하여 태양전지 모듈의 온도 상승을 현저하게 억제할 수 있으므로, 결과적으로 태양전지 모듈 내 온도를 종래 대비 낮게 유지할 수 있는 태양전지 백시트 및 상기 백시트를 포함하는 태양전지의 제공이 가능하게 되었고, 이에 의해 반도체 소자의 온도 특성에 기인하는 발전효율을 향상할 수 있는 태양전지를 제공하여 상기한 종래 기술의 문제점을 해결하였다.
Abstract:
PURPOSE: A back sheet for a solar battery and a manufacturing method thereof are provided to stably maintain structure and function of the back sheet for the solar battery by placing specific adhesive low molecular substances between a polyester layer and a fluorine resin layer. CONSTITUTION: A back sheet for a solar battery comprises a polyester film and a fluorine resin layer. The polyester film forms a barrier layer for a solar battery back sheet. The fluorine resin layer is spread in one side or both sides of the polyester film. The fluorine resin layer has excellent adhesive power with the polyester film by using adhesive low molecular substances. The back sheet for the solar battery places the adhesive low molecular substances between the polyester film and the fluorine resin layer.
Abstract:
The present invention relates to a solar cell back sheet of which the reflection property is efficiently controlled and a solar cell module using the same. The solar cell back sheet of which the reflection property is efficiently controlled includes a base material layer composed of a single layer or of multiple layers including an electric insulation layer, a barrier layer, and a weatherproof film. Each of the layers is selected among a group including polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyehtylene naphthalate (PEN), polyvinylidenfluoride (PVF), polyvinylidene fluoride (PVDF), ethylene tetrafluoroethylene (ETFE), polychlorotriplefluoroethylene (PCTFE), ethylene chlorotriplefluoroethylene (ECTFE), or inorganic compounds. On one surface of the base material layer, a fine convex projection of which the surface roughness is 3 - 50μm is formed. The solar cell back sheet given in the present invention uses a method of applying paint including particles or printing a shape on resin on one surface to form a fine convex projection having a uniform surface roughness without technical problems, thereby efficiently controlling the movement path of solar light coming into a solar cell. Also, the amount of light reaching the back surface of a bi-facial cell after being reflected from the back sheet can be increased so that the generation efficiency of a solar cell module can be improved.