LIGHT-EMITTING DEVICE AND LIGHT-EMITTING DEVICE PACKAGE

PURPOSE: A light emitting device and a light emitting device package are provided to increase the intensity of light by producing a first and a second light with different emission spectrums. CONSTITUTION: A second conductive semiconductor layer (19) is arranged on a first conductive semiconductor l...

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Bibliographic Details
Main Authors CHOI, RAK JUN, OH, JEONG TAK, JUNG, MYUNG HOON, KIM, SUL HEE, LIM, HYUN CHUL
Format Patent
LanguageEnglish
Korean
Published 10.07.2013
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Summary:PURPOSE: A light emitting device and a light emitting device package are provided to increase the intensity of light by producing a first and a second light with different emission spectrums. CONSTITUTION: A second conductive semiconductor layer (19) is arranged on a first conductive semiconductor layer (15). An active layer (17) is arranged between the first and the second conductive semiconductor layer. The active layer includes barrier layers (130a,130b,130c) and first and second well layers (110a,110b,120a,120b). The first and second well layers are alternately arranged between the barrier layers. The thickness of the first well layer is different from the thickness of the second well layer.
Bibliography:Application Number: KR20120000062