WAVELENGTH-CONVERSION ENCAPSULANT COMPOSITION, WAVELENGTH-CONVERTED ENCAPSULANT LAYER, AND SOLAR CELL MODULE USING SAME

A wavelength-converting encapsulant composition is provided, which includes a first organic material capable of absorbing ultraviolet light and converting absorbed light to longer wavelength light; and a second organic material capable of absorbing light with a wavelength longer than that of the lig...

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Bibliographische Detailangaben
Hauptverfasser:	KITAHARA,TATSUYA, UEDA,MASATAKA, ONOUCHI,HISANARI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A wavelength-converting encapsulant composition is provided, which includes a first organic material capable of absorbing ultraviolet light and converting absorbed light to longer wavelength light; and a second organic material capable of absorbing light with a wavelength longer than that of the light absorbed by the first organic material and converting absorbed light to longer wavelength light, wherein the maximum emission wavelength » 1em of the first organic material and the maximum excitation wavelength » 2ex of the second organic material satisfy the relationship of formula (1): » 1em - 60 ‰¤ » 2ex (nm), and which has high durability, is advantageous in terms of cost and suitable for use on solar cells, and can improve the photoelectric conversion efficiency of solar cells by converting light in a wavelength region not contributable to power generation to light in another wavelength region contributable to power generation.