LED SUBSTRATE AND LED

PROBLEM TO BE SOLVED: To provide a light emitting diode (LED) substrate having high light-emitting efficiency.SOLUTION: A light emitting diode (LED) substrate including a sapphire substrate is provided. The sapphire substrate has a surface consisting of a plurality of upper trigonal and lower hexago...

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Bibliographische Detailangaben
Hauptverfasser:	TSENG BO HSIANG, PENG CHUN-YEN, SEO MUN-GYONG, HAYASHI HIROBUMI, JIN YU-JUNG, GO YOSEN, HSIAO FENGING
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY SEMICONDUCTOR DEVICES
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light emitting diode (LED) substrate having high light-emitting efficiency.SOLUTION: A light emitting diode (LED) substrate including a sapphire substrate is provided. The sapphire substrate has a surface consisting of a plurality of upper trigonal and lower hexagonal tapers. Each of the upper trigonal and lower hexagonal tapers consists of a hexagonal taper and a trigonal taper on the hexagonal taper. A pitch of the upper trigonal and lower hexagonal tapers is less than 10 μm. This LED substrate has high light-emitting efficiency.