ILLUMINATING DEVICE

PURPOSE:To reduce the thickness of the illuminating device to be used at the time of executing panel illumination with a liquid crystal display device, etc., while uniformizing the brightness distribution. CONSTITUTION:Reflection mirrors, 5a, 5b, 9, 9a are provided movably in a diffusion plate 3 dir...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGATANI SHINPEI, SUKENORI HIDETOMO
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 NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce the thickness of the illuminating device to be used at the time of executing panel illumination with a liquid crystal display device, etc., while uniformizing the brightness distribution. CONSTITUTION:Reflection mirrors, 5a, 5b, 9, 9a are provided movably in a diffusion plate 3 direction. A flexible ray control member 23 may be horizontally moved cooperatively with these reflection mirrors or a light source 6 may be positioned on the outer periphery of the diffusion plate 3 or the positions of the reflection mirrors may be detected by a switch 32 in such a case. A reflecting means 33 having the reflectivity different from the reflecting part 21 of the reflection mirror 9 is provided on the reflection part 21 and the circumference position.