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US 7,733,569 B2Granted
Image display device
AssigneeSeiko Epson Corporation
InventorGoro Hamagishi
Life of this patent
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Abstract
Provided is an image display device including: an image forming layer for forming a plurality of images; and a lens layer which is integrally provided with the image forming layer and includes a plurality of lenses for guiding the plurality of images formed in the image forming layer in a plurality of corresponding directions.
Claims7
An image display device comprising:
- a display panel having an image forming layer disposed between a first substrate and a second light transmission substrate arranged opposite to each other, the display panel including a plurality of pixels for forming a plurality of images;
- and
- a plurality of lenses formed in an outside surface of the second light transmission substrate, the plurality of lenses guiding the plurality of images formed in the display panel in a plurality of corresponding directions, the plurality of lenses composing a lens layer,
- wherein the plurality of lenses includes:
- a first layer composed of the second light transmission substrate having a first refractive index;
- a second layer having a second refractive index lower than the first refractive index;
- and
- a third layer having a third refractive index higher than the second refractive index,
- wherein the second layer is provided at an outside surface of the first layer between the first layer and the third layer, and
- wherein the third layer includes a plurality of convex surfaces at the side of the second layer.
7 more elements
Dependencies are inferred from the claim text.