Patent ID: 9121588
Filing Date: 2015-09-01
Classification: F21V,G02B

Abstract:
1. A display device comprising: a plurality of light guides, one of the light guides having one end, another end on an opposite side to the one end, and a side surface extending along a first direction from the one end toward the other end, the light guides being arranged away from one another in a second direction intersecting with the first direction; a light source to cause light to enter the light guides from the one end; a first substrate having a first surface in contact with the side surface, a portion of the first substrate in contact with the side surface being transparent; a second substrate, the first substrate being provided between the second substrate and the light guides a first electrode provided between the second substrate and the first substrate, the first electrode being transmissive to the light; a second electrode provided between the second substrate and the first substrate, the second electrode being transmissive to the light; and a plurality of spacers provided between the first substrate and the second substrate and arranged between the light guides when projected onto a plane parallel to the first direction and the second direction, optical characteristics in a region surrounded by adjacent ones of the spacers, the first electrode, and the second electrode being changed by a voltage applied between the first electrode and the second electrode.