US Patent No. 10,558,053

OPTICAL DEVICE AND DISPLAY APPARATUS


Patent No. 10,558,053
Issue Date February 11, 2020
Title Optical Device And Display Apparatus
Inventorship Akio Fukase, Chino (JP)
Kunihiko Yano, Shiojiri (JP)
Assignee SEIKO EPSON CORPORATION, Tokyo (JP)

Claim of US Patent No. 10,558,053

1. An optical device comprising:a first display panel having a plurality of first pixels on a first substrate, each including a first light-emitting element, wherein the first display panel emits first color light from each of the plurality of first pixels;
a second display panel having a plurality of second pixels on a second substrate that is separated from the first substrate, each including a second light-emitting element, and a plurality of third pixels, each including a third light-emitting element, wherein the second display panel emits second color light having a different wavelength range from the first color light from each of the plurality of second pixels and emits third color light having a different wavelength range from the first color light and the second color light from each of the plurality of third pixels; and
a combining optical system that combines the light emitted from the first display panel and the light emitted from the second display panel.