Reflective projection-type displaying apparatus

A projection-type displaying apparatus is disclosed. The apparatus has a coupling prism, a glass substrate joined to the coupling prism and a liquid crystal display panel containing pixel electrodes. A refractive index of the coupling prism is greater than a refractive index of the glass substrate....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MUKOUYAMA, TATSUYA, SUZUKI, TETSUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CRYPTOGRAPHY 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 DISPLAY DISPLAYING EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING LABELS OR NAME-PLATES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS SIGNS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A projection-type displaying apparatus is disclosed. The apparatus has a coupling prism, a glass substrate joined to the coupling prism and a liquid crystal display panel containing pixel electrodes. A refractive index of the coupling prism is greater than a refractive index of the glass substrate. The apparatus also has a transmission-type holographic color filter provided between the glass substrate and liquid crystal display panel. Light beams enter the apparatus through the plane of incidence of the coupling prism and go through the glass substrate. The light beams are then focused onto the pixel electrodes by the holographic color filter. The focused light beams are modulated by the pixel electrodes and exit the apparatus as projection light beams.