LIGHTING DEVICE AND LIGHTING CONTROL METHOD

The invention concerns a lighting device comprising a first to a fourth light emitting devices which are disposed on a substrate; wherein the lighting device comprises a mixing chamber; and an optical excitation plate, wherein a distance between the optical excitation plate and the first to the four...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KWON, Ki Soo, KIM, Young Jin, PARK, Jong Chan, JEONG, Seung Beom, SON, Eon Ho
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BLASTING CINEMATOGRAPHY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HEATING HOLOGRAPHY 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 LIGHT SOURCES NOT OTHERWISE PROVIDED FOR LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATINGELEMENTS LIGHTING MECHANICAL ENGINEERING NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE PHOTOGRAPHY PHYSICS WEAPONS
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Beschreibung
Zusammenfassung:	The invention concerns a lighting device comprising a first to a fourth light emitting devices which are disposed on a substrate; wherein the lighting device comprises a mixing chamber; and an optical excitation plate, wherein a distance between the optical excitation plate and the first to the fourth light emitting devices is determined by an optical orientation angle (¸) of each of the light emitting devices and a distance (G) between the light emitting devices, characterized in that the distance (G) between the light emitting devices among the first to the fourth light emitting devices is calculated by an equation of G = 2Htan(¸/2), color temperatures of the first and the third devices are higher than those of the second and the fourth devices, the four devices being symmetrically disposed, the distance (G) between the light emitting devices being minimized.