Patent ID: 6824274
Filing Date: 2004-11-30
Classification: G02B,G03B,H04N

Abstract:
An image display device comprising:an optical imaging arrangement for providing image information to illumination light and for transmitting said light as an optical image signal; a display for receiving said optical image signal and for displaying an image based on said image information; and a projecting optical arrangement including a reflecting part having a reflecting surface for reflecting said optical image signal, and a refracting optical part having a refracting surface for projecting said optical image signal onto said reflecting part; wherein said display receives said optical image signal through said projecting optical arrangement; at least one of said reflecting surface and said refracting surface is aspherical; and said projecting optical arrangement is provided with at least a path-bending element for reflecting said optical image signal from said refracting optical part to said reflecting part, the optical axis of said refracting optical part being bent at an appropriate angle in a horizontal plane containing the optical axis of said reflecting part.