VIRTUAL IMAGE DISPLAY DEVICE AND OPTICAL UNIT
Dossier Overview
Applicant
SEIKO EPSON CORPORATION
Inventor
Mitsutaka IDE
IPC Classification
CPC Classification
A direct virtual image type virtual image display device includes a display element, a first lens on which image light from the display element is incident, an angle suppression member disposed on an emission side of the first lens, a first prism on which the image light passing through the first lens is incident, a second prism joined to the first prism, an oblique mirror portion provided at a joint between the first prism and the second prism, and at least partially reflecting the image light guided in the first prism, a plano-convex second lens disposed to face an outer surface of the first prism, a transmissive mirror formed at a convex surface of the second lens and partially reflecting the image light, and a quarter wavelength plate disposed between the outer surface of the first prism and a flat surface of the second lens.
Original (Chinese)
A direct virtual image type virtual image display device includes a display element, a first lens on which image light from the display element is incident, an angle suppression member disposed on an emission side of the first lens, a first prism on which the image light passing through the first lens is incident, a second prism joined to the first prism, an oblique mirror portion provided at a joint between the first prism and the second prism, and at least partially reflecting the image light guided in the first prism, a plano-convex second lens disposed to face an outer surface of the first prism, a transmissive mirror formed at a convex surface of the second lens and partially reflecting the image light, and a quarter wavelength plate disposed between the outer surface of the first prism and a flat surface of the second lens.
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