Automotive display apparatus

Details Automotive display apparatus Automotive display apparatus

1993-06-09

1995-09-19

Epps, Georgia Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359613, 359633, G02B 2714

Patent

active

054521300

ABSTRACT:
Automotive display apparatus in which a display image of the displayer is recognized from an eye range as a virtual image within a displaying range of a first reflector plate through a face plate which is disposed between the first reflector plate and the eye range. An automotive display apparatus according to the present invention comprises: a displayer; a transmissive first reflector plate through which a display light from the displayer passes; a second reflector plate disposed at a position opposing the displayer with the first reflector plate in between, the display light passing through the first reflector plate being reflected on the second reflector plate toward the first reflector plate; and a transmissive face plate disposed between the first reflector plate and an eye range of a driver, an upper portion of the face plate, where the display light from the first reflector plate is reflected to form a ghost-causing virtual image, being inclined rearwardly, the display light reflected on the second reflector plate toward the first reflector plate being reflected on the first reflector plate toward the eye range and passing through the face plate, a display image of the displayer being recognized as a virtual image within a viewing field of the first reflector plate.

REFERENCES:
patent: 4163542 (1979-08-01), La Russa
patent: 4412723 (1983-11-01), Shafer
patent: 4986631 (1991-01-01), Aoki et al.

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