Illumination device and display device
AssigneeJapan Display Inc.
InventorsYasuhiro TAKAHASHI, Shinichi KOMURA
Life of this patent
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Abstract
According to one embodiment, an illumination includes a first light guide including a first main surface, a second main surface, and a first side surface, a first light source applying a first linearly polarized light toward the first side surface, and a first retardation film provided on the first side surface and providing a phase difference to light emitted from the first light source. The first side surface is an inclined surface including a first end portion and a second end portion, and a distance between the second end portion and the first light source is smaller than a distance between the first end portion and the first light source.
Claims18
An illumination device, comprising:
- a first light guide including a first main surface, a second main surface located on a side opposite to the first main surface, and a first side surface connecting the first main surface with the second main surface;
- a first light source applying first linearly polarized light toward the first side surface;
- and
- a first retardation film provided on the first side surface and providing a phase difference to light emitted from the first light source, wherein
- the first side surface is an inclined surface including a first end portion connected to the first main surface and a second end portion connected to the second main surface, and
- a distance between the second end portion and the first light source is smaller than a distance between the first end portion and the first light source.
Dependencies are inferred from the claim text.