Patent ID: 6650482
Filing Date: 2003-11-18
Classification: G02B

Abstract:
A vehicle-installed head-up display device comprising:final reflecting means located in a field of view ahead of a driver's seat, said final reflecting means being translucent; displaying means capable of selectively displaying one of first and second images by light emission on a signal displaying screen; first reflecting means for reflecting light of a displayed image toward a first reflective area of said final reflecting means; second reflecting means for reflecting light of the displayed image toward a second reflective area of said final reflecting means, said second reflective area being adjacent to said first reflective area; and optical path exchanging means for exchanging an optical path so that when the first image is displayed by said displaying means, only the light of the first image reflected by the first reflecting means is incident on the first reflective area, whereas when the second image is displayed by said displaying means, only the light of the second image reflected by the second reflecting means is incident on the second reflective area, wherein said first and second images one of which is selectively displayed are reflected by said first reflective area and said second reflective area of said final reflecting means so that a driver can visually recognize these images as virtual images ahead of a windshield.