Patent ID: 9454939
Filing Date: 2016-09-27
CPC Classification: G02B,G02F,G09G,H04N

Claim Text:
1. A display apparatus that facilitates a user to visually recognize a first image in a first direction and that facilitates the user to visually recognize a second image in a second direction different from the first direction, comprising: a display unit configured to alternately display the first image and the second image; an irradiation unit configured to irradiate the display unit displaying the first image or the second image with irradiation light; a distribution unit configured to distribute the irradiation light transmitted through the display unit to at least one of the first direction and the second direction; and an irradiation control unit configured to control an irradiation direction of the irradiation unit, wherein the irradiation control unit switches, when the first image or the second image is displayed, the irradiation direction to at least one of the first direction and the second direction, wherein the irradiation unit includes a plurality of light-emitting units, and the irradiation control unit controls the light-emitting units individually, and wherein the irradiation unit further includes an optical adjustor including an optical film to direct the irradiation light emitted from the light-emitting units towards the distribution unit to a specified direction, the specified direction being switched between the first direction and the second direction.