CIRCULAR PLANE LIGHT-EMITTING BODY

PURPOSE: To provide a plane light-emitting body which forms no part having ununiform light intensity such as shade in the peripherys of circular openings even when the circular openings are provided in a light transmission body. CONSTITUTION: This plane light emitting body is constituted of a disk-l...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	OKURA TAKEO, SERA MIKIO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION LABELS OR NAME-PLATES PHYSICS SEALS SIGNS
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