LIGHT TRANSMISSION PLATE FOR BACKLIGHT AND BACKLIGHT

PROBLEM TO BE SOLVED: To obtain a backlight unit and a backlight which do not generate a darkline. SOLUTION: The light transmission plate 1 has a nearly wedged shape formed with a light-emitting surface 12 and a reflection surface 13 placed non-parallel to each other. A light emitting side interior...

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Bibliographische Detailangaben
1. Verfasser:	NINOMIYA SHINPEI
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 ELEMENTS, SYSTEMS, OR APPARATUS 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:	PROBLEM TO BE SOLVED: To obtain a backlight unit and a backlight which do not generate a darkline. SOLUTION: The light transmission plate 1 has a nearly wedged shape formed with a light-emitting surface 12 and a reflection surface 13 placed non-parallel to each other. A light emitting side interior angle α formed by a light introducing surface 11 and the light emitting surface 12 of the light transmission plate 1 is 90.5 deg. and a light reflecting side interior angle β formed by the light introducing surface 11 and the reflection surface 13 is 89.4233 deg.. Because the light emitting side interior angle α of the light transmission plate 1 is an obtuse angle, a projection of the light introducing surface 11 is reflected in a wide region of the light emitting surface 12 and a darkline is not generated.