Light guide device, projection device, and electronic device comprising same

Abstract

An embodiment provides an electronic device comprising: a projector; a light guide device which guides light emitted from the projector; and an image rotation element which is disposed between the projector and the light guide device, wherein the image rotation element rotates light, emitted from the projector, about the lengthwise direction of the image rotation element. An embodiment provides a projection device comprising: a light source unit which is disposed in a housing; a light modulator which is disposed at one surface of the housing; a lens unit which is disposed at the rear end of the light source unit; a reflection unit which is disposed between the light source unit and the light modulator; a projection lens unit; and a prism which is disposed between the light modulator and the projection lens unit, wherein the light source unit, the lens unit, and the reflection unit are successively disposed and arranged to be inclined to the top surface of the light modulator or the housing.

Dependencies are inferred from the claim text.