Rear projection display device
AssigneeSanyo Electric Co., Ltd.
InventorsKatumi Terada, Daisuke Takemori, Hideyuki Kanayama
Life of this patent
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Abstract
The present invention is directed to a rear projection display device so adapted as to receive a projected image from a light valve for image formation on the rear surface of a screen and emit image light toward an observer positioned on the front side of the screen, wherein the screen is formed in the shape of a concavely curved surface with respect to the observer, so that the observer can feel as if he or she was present more intensely.
Claims18
A rear projection display device so adapted as to receive a projected image from a light valve for image formation on the rear surface of a screen and emit image light toward an observer positioned on the front side of the screen, wherein
- said screen is formed in the shape of a concavely curved surface with respect to the observer, and wherein
- said screen comprises a diffusion layer positioned on the side of said observer and forming said shape of the concavely curved surface with respect to the observer, and a transparent layer positioned on the side of said light valve for image formation and forming the shape of a concavely curved surface with respect to the light valve for image formation.
A rear projection display device so adapted as to respectively receive projected images from two light valves for image formation on the rear surface of a screen and emit image light toward an observer positioned on the front side of the screen, wherein
- said screen is formed in the shape of a concavely curved surface with respect to the observer, and wherein
- said screen comprises a diffusion layer positioned on the side of said observer and forming said shape of the concavely curved surface with respect to the observer, and a transparent layer positioned on the side of said light valve for image formation and forming the shape of a concavely curved surface with respect to said light valve for image formation.
A rear projection display device so adapted as to receive a projected image from a light valve for image formation on the rear surface of a screen and emit image light toward an observer positioned on the front side of the screen, wherein
- said screen is formed in the shape of a concavely curved surface with respect to the observer, and wherein
- said light valve for image formation comprises distortion correcting means for correcting an image signal fed to the light valve for image formation in order to correct the distortion at a corner of an image displayed on said screen.
A rear projection display device so adapted as to respectively receive projected images from two light valves for image formation on the rear surface of a screen and emit image light toward an observer positioned on the front side of the screen, wherein
- said screen is formed in the shape of a concavely curved surface with respect to the observer, and wherein
- each of said light valves for image formation comprises distortion correcting means for correcting an image signal fed to the light valve for image formation in order to correct the distortion at a corner of an image displayed on said screen.
Dependencies are inferred from the claim text.