[특허]Thin film photovoltaic assembly method

Thin film photovoltaic assembly method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01L-027/142
출원번호	US-0889521 (2004-07-12)
등록번호	US-8716592 (2014-05-06)
발명자 / 주소	Ferri, Louis Anthony Zuege, Kevin
출원인 / 주소	Quanex IG Systems, Inc.
대리인 / 주소	Zollinger & Burleson Ltd.
인용정보	피인용 횟수 : 0 인용 특허 : 33

초록 ▼

The present invention relates to a method of manufacturing thin film photovoltaic panels (TFPP). Instead of utilizing a conventional EVA based adhesive layer, material, the present invention uses an adhesive layer that may be applied in a liquid form and cures rapidly to form the TFFP. In one embodiment, the method provides for applying an adhesive layer in a liquid form along at least a portion of the exposed photovoltaic layer and substrate. In another embodiment, the method provides for applying a first layer adhesive in liquid form along at least one edge of the substrate and second layer of adhesive in liquid form generally bound by the first layer of adhesive. After application of the adhesive layer(s), a force may then be applied to adhere the front panel (or substrate), photovoltaic material layer, adhesive layer and backing panel and the adhesive layer transforms from a liquid to a solid.

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1. A method for manufacturing a thin film photovoltaic panel comprising: attaching a photovoltaic material layer directly onto a planar surface of a substrate having a plurality of edges, wherein the substrate is a transparent front panel of the thin film photovoltaic panel;applying a first adhesive layer in the form of a perimeter dam along the plurality of edges of the planar surface of the substrate;applying a second adhesive layer on a portion of the photovoltaic material layer after attaching the photovoltaic layer, wherein at least a portion of the second adhesive layer is bounded the perimeter dam on the planar surface of the substrate;applying the photovoltaic material layer and the substrate to a backing panel once the first and second adhesive layers have been applied to the planar surface; andsecuring the photovoltaic material layer and the substrate to the backing panel with at least a portion of the first adhesive layer and second adhesive layer once the photovoltaic material layer and the substrate have been applied to the backing panel. 2. The method of claim 1, wherein the first adhesive layer is a curing adhesive. 3. The method of claim 1, wherein the second adhesive layer is a curing adhesive. 4. The method of claim 1, wherein the first adhesive layer is a curing adhesive and the second adhesive layer is a non-curing adhesive. 5. The method of claim 1, wherein the first adhesive layer is a non-curing adhesive and the second adhesive layer is a curing adhesive. 6. The method of claim 1, wherein the first adhesive layer is a curing adhesive and the second adhesive layer is a curing adhesive. 7. The method of claim 1, wherein the first adhesive layer is a non-curing adhesive and the second adhesive layer is a non-curing adhesive. 8. The method of claim 1, wherein the first adhesive layer is applied having an initial thickness greater than an initial thickness of the second adhesive layer. 9. The method of claim 8, wherein the first adhesive layer is applied with an automated x-y axis application. 10. The method of claim 1, wherein the second adhesive layer is applied at a higher temperature than a temperature in which the first adhesive layer was applied. 11. The method of claim 1, wherein the second adhesive layer is applied at a lower viscosity than a viscosity of the first adhesive layer during application of the first adhesive layer. 12. The method of claim 1, wherein the first adhesive layer is a hot melt adhesive and the second adhesive layer is a curing adhesive. 13. The method of claim 1, wherein the first adhesive layer is a curing adhesive and the second adhesive layer is a hot melt adhesive. 14. The method of claim 1 further comprising: waiting for the first and second adhesive layers to level before applying the photovoltaic material layer and the substrate to the backing panel. 15. The method of claim 1, wherein the first adhesive layer has a low moisture vapor transmission rate and the substrate and backing panel are glass. 16. The method of claim 1 further comprising: wetting the planar surface of the substrate and an inner surface of the backing panel with the adhesives by applying at least one of heat or force to the thin film photovoltaic panel after applying the photovoltaic material layer and the substrate to the backing panel. 17. The method of claim 1 wherein attaching the photovoltaic layer to the substrate includes depositing the photovoltaic layer by at least one of chemical vapor deposition, physical vapor deposition, or sputtering. 18. The method of claim 17 further comprising: etching the photovoltaic layer to form a plurality of individual photocells after the photovoltaic layer is attached to the substrate.

이 특허에 인용된 특허 (33)

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