ULTRAVIOLET LIGHT EMITTING DEVICE

ULTRAVIOLET LIGHT EMITTING DEVICE

PROBLEM TO BE SOLVED: To provide an ultraviolet light emitting device with improved light extraction efficiency.SOLUTION: An ultraviolet light emitting device comprises an active layer emitting light with a wavelength band of 200 nm to 405 nm, and a light-transmitting layer disposed on the active la...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE KWANG CHIL, PARK HEE-JIN, CHOI WOON KYUNG, LEE TAE LIM, PARK JOONG SEO, YUN HWAN HUI, KIM KYOUNG HOON
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an ultraviolet light emitting device with improved light extraction efficiency.SOLUTION: An ultraviolet light emitting device comprises an active layer emitting light with a wavelength band of 200 nm to 405 nm, and a light-transmitting layer disposed on the active layer and having a lower part facing the active layer, where at least one of side and upper parts of the light-transmitting layer may have a surface-processed pattern portion.