VIRTUAL-IMAGE DISPLAY DEVICE AND OPTICAL UNIT

Organization Name

Inventor(s)

Katsutoshi Inomoto of SHIOJIRI-SHI, NAGANO-KEN JP

Mitsutaka Ide of SHIOJIRI-SHI, NAGANO-KEN JP

Takashi Takeda of SUWA-SHI, NAGANO-KEN JP

VIRTUAL-IMAGE DISPLAY DEVICE AND OPTICAL UNIT

This abstract first appeared for US patent application 20250138321 titled 'VIRTUAL-IMAGE DISPLAY DEVICE AND OPTICAL UNIT

Original Abstract Submitted

a virtual-image display device or an optical unit includes a first display device configured to output image light of circularly polarized light; a first reflection member having a flat surface and configured to reflect the image light to a diagonal direction; and a second reflection member having a positive power and configured to reflect, toward the first reflection member, the image light reflected at the first reflection member. the first reflection member includes a first optical function layer that is one of a cholesteric liquid crystal layer and a transmissive reflection layer. the second reflection member includes a second optical function layer that is the other one of the cholesteric liquid crystal layer and the transmissive reflection layer.