Patent ID: 8506148
Filing Date: 2013-08-13
Classification: G02B,G02F

Abstract:
1. A lighting device comprising: a light source including a light emitting surface; a light guide member including a light entrance surface that light emitted from the light emitting surface enters and a light exit surface from which the light exits, wherein the light emitting surface includes a first light emitting surface and a second light emitting surface, the first light emitting surface being substantially parallel to the light exit surface and a plane on the first light emitting surface crossing a plane on the second light emitting surface; the light entrance surface includes a first light entrance surface and a second light entrance surface, the first light entrance surface being provided to face the first light emitting surface and substantially parallel to the light exit surface and the second light entrance surface being provided to face the second light emitting surface and a plane on the first light entrance surface crossing a plane on the second light entrance surface; and the lighting device further comprises a light entrance surface scattering structure provided on the first light entrance surface and configured to scatter the light emitted from the light source when the light enters the first light entrance surface.