Projection system

Disclosed is a color corner of a projection system including a dichroic filter having a flat plate type structure, other than a cube prism type structure, thereby being capable of achieving an improvement in color separation characteristics while allowing an easy manufacture of the dichroic filter,...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	KIM DONG HA, CHOI HARK LIM
Format:	Patent
Sprache:	eng
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 CINEMATOGRAPHY 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 COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY FREQUENCY-CHANGING HOLOGRAPHY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Disclosed is a color corner of a projection system including a dichroic filter having a flat plate type structure, other than a cube prism type structure, thereby being capable of achieving an improvement in color separation characteristics while allowing an easy manufacture of the dichroic filter, and thus, achieving an improvement in productivity. The projection system includes an illumination unit for separating an S-polarized light from a non-polarized white light, and illuminating the separated light to be subsequently reflected, a polarized beam splitter for transmitting a selected one of the R, G, and B components of the light received from the illumination unit while reflecting the remaining two components of the incident light, thereby changing the travel direction of the remaining light components, a flat plate type dichroic filter for defining different transmission and reflection optical paths for the separated two light components, respectively, thereby individually separating the two light components reflected by the polarized beam splitter.