SURFACE LIGHT SOURCE DEVICE, LIGHT GUIDE ELEMENT USED FOR SURFACE LIGHT SOURCE DEVICE, AND METHOD FOR PRODUCING LIGHT GUIDE ELEMENT

Disclosed is a plate-like light guide element (24) provided with a light incident surface, a light exit surface (242), and an underside surface (243) disposed on the opposite side of the light exit surface (242). A foamed surface layer (244) is formed on at least a part of at least either the light...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TODA MASATOSHI, YAGI KENJI, SHIMIZU MINORU, KURACHI YOSHIYA, WAKUI YASUO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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