Onello & Mello LLP
Light emitting device and system providing white light with various color temperatures
In a light emitting device and system providing white light with various color temperatures are provided, a light emitting device includes a light emitting element (LED) that is operated by a driving bias and emits first light, and a phosphor layer including a phosphor that partially wavelength-converts first light and emits second light, thereby emitting white light using the first light and the second light, wherein the phosphor has a maximum conversion efficiency at a first level of the driving bias, and the LED has a maximum conversion efficiency at a second level of the driving bias, the first level being different from the first level.
Samsung Electronics Co., Ltd.
H H H H H G F H H F G F
H01L H01L H01L H05B H01L G02B F21W H05B H01L F21V G02B F21Y
additional additional inventional inventional additional additional additional inventional additional inventional additional additional
Yu-Sik
Kim