Image display apparatus

Details Image display apparatus Image display apparatus

2008-06-24

2008-06-24

Martinez, Joseph (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S630000, C345S007000, C349S011000

Reexamination Certificate

active

07391575

ABSTRACT:
An image display apparatus is disclosed, which is small and has a wide view angle. The apparatus comprises an optical system which introduces light beams from first and second image display elements to first and second observation regions. The system has a plane-symmetric structure whose plane of symmetry is a plane passing between the first and second observation regions. The system introduces the light beam from the first image display element located in a first area with respect to the plane of symmetry to the first observation region via a reflection on a surface located in a second area after a reflection on a surface located in the first area, and introduces the light beam from the second image display element to the second observation region via a reflection on a surface located in the first area after a reflection on a surface located in the second area.

REFERENCES:
patent: 6130784 (2000-10-01), Takahashi
patent: 1 312 968 (2003-05-01), None
patent: 2003-149593 (2003-05-01), None
patent: 2004-341324 (2004-12-01), None

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