LED Color Conversion Filter Comprising Glass Composition and White LED and Backlight Unit Using the Same

According to the present invention, a white LED comprises: a housing having one open side; a light emitting member positioned at an inner lower end of the housing; and a color conversion filter spaced apart to face the light emitting member and covering the top of the housing. The color conversion f...

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Bibliographische Detailangaben
Hauptverfasser:	HWANG, HOON, LEE, JI HONG, HAN, KA RAM, CHUNG, KI WON, CHUNG, WOON JIN, KIM, YONG HWAN, SHIN, CHUN HWA, HUH, HYUN SUE
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	According to the present invention, a white LED comprises: a housing having one open side; a light emitting member positioned at an inner lower end of the housing; and a color conversion filter spaced apart to face the light emitting member and covering the top of the housing. The color conversion filter uses a glass composition containing a neodymium compound as a light absorbing material. Therefore, the present invention provides the glass composition excellent in light transmittance and color reproducibility. 본 발명에 따른 백색 발광다이오드는 일면이 개방된 하우징; 상기 하우징의 내부 하단에 위치하는 발광부재; 및 상기 발광부재와 이격되어 마주하며, 상기 하우징의 상단을 덮는 색변환필터를 포함하며, 상기 색변환필터는 광흡수 물질로서 네오디뮴 화합물이 함유된 유리 조성물을 이용하는 것을 특징으로 한다.