REFLECTION SCREEN

PROBLEM TO BE SOLVED: To provide a reflection screen with which the chromaticity balance of reflected light can be adjusted and a high contrast video can be displayed in which a white balance is satisfactory. SOLUTION: The reflection screen 10 includes: a light reflecting layer 11 whose reflectivity...

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Bibliographische Detailangaben
Hauptverfasser: SEGAMI MASAHARU, SHIMODA KAZUTO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a reflection screen with which the chromaticity balance of reflected light can be adjusted and a high contrast video can be displayed in which a white balance is satisfactory. SOLUTION: The reflection screen 10 includes: a light reflecting layer 11 whose reflectivity is almost uniform at least in a visible wavelength area; a pigment layer 12 that absorbs part of transmitted light; and an optical multilayer film 14 formed of several kinds of optical films 14H(1), 14L(1), and 14H(2) of different refractive indexes, which are layered one on another in that order. The reflection screen 10 displays images with projected light. In the reflection screen 10, the optical multilayer film 14 has a refractive index peak in a prescribed wavelength area including at least a green-component wavelength area, and exhibits a high transmission characteristic in the wavelength areas other than the prescribed wavelength area. In the pigment layer 12, the transmissivity of the green-component wavelength area is lower than the transmissivity of a red-component wavelength area and the transmissivity of a blue-component wavelength area. COPYRIGHT: (C)2007,JPO&INPIT