Backlight unit and display apparatus comprising same

A backlight unit comprising a printed circuit board; a plurality of light sources at a surface of the printed circuit board, the plurality of light sources to emit light; and a reflective sheet, arranged above the plurality of light sources, having differing transmittance on the basis of incident an...

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Bibliographische Detailangaben
Hauptverfasser:	Mukhtarov, Farid, Kim, Daesik, Nishida, Yasuhiro
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS 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 TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PRINTED CIRCUITS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A backlight unit comprising a printed circuit board; a plurality of light sources at a surface of the printed circuit board, the plurality of light sources to emit light; and a reflective sheet, arranged above the plurality of light sources, having differing transmittance on the basis of incident angle of the light from the plurality of light sources, respectively, wherein the reflective sheet is provided with at least one gap between two adjacent light sources from among the plurality of light sources.