BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE

Three grating piece groups (13gr.Gr.B, 13G, 13R) on the top surface (11U) of a light guide plate correspond to light of different wavelength regions, and respectively diffract and reflect light of the corresponding wavelength region, which is incident thereon at an incident angle within a specific r...

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Bibliographische Detailangaben
1. Verfasser:	YASHIRO YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 FREQUENCY-CHANGING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	Three grating piece groups (13gr.Gr.B, 13G, 13R) on the top surface (11U) of a light guide plate correspond to light of different wavelength regions, and respectively diffract and reflect light of the corresponding wavelength region, which is incident thereon at an incident angle within a specific range, back to the incoming direction of the light. The bottom surface (11B) of the light guide plate (11) is provided with a prism (15) for reflecting the backwardly diffracted and reflected light toward the top surface (11U).