LIGHT EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY USING THIS

PROBLEM TO BE SOLVED: To provide a light emitting device having no luminous gradient and with uniform luminance. SOLUTION: The light emitting device 150 comprises a plurality of light emitting light sources 100, and the light source 100 includes an airtight arc tube 10, a discharge medium which is s...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMIZU NOBUHIRO, SHIGETA TERUAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY FREQUENCY-CHANGING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a light emitting device having no luminous gradient and with uniform luminance. SOLUTION: The light emitting device 150 comprises a plurality of light emitting light sources 100, and the light source 100 includes an airtight arc tube 10, a discharge medium which is sealed inside the arc tube 10 and is made mainly of a rare gas, and a first electrode 11 and a second electrode 12 for exciting the discharge medium. The first electrode 11 is arranged at one end of the arc tube 10 and the second electrode 12 is arranged at the other end of the arc tube 10. The light source 100 has a luminance gradient including a high luminance region and a low luminance region between the first electrode 11 and the second electrode 12. The plurality of light sources 100 are arranged mutually adjacent to each other, and the high luminance region of one of the adjoining light sources 100 and the low luminance region of the other light source 100 are arranged alternately so as to be opposed to each other. COPYRIGHT: (C)2007,JPO&INPIT