Lighting device and image display apparatus
AssigneeSharp Kabushiki Kaisha
InventorsNOBUAKI AOKI, HIROMITSU TSUTSUI
Life of this patent
Estimating the term…
Abstract
A lighting device includes light sources and a light guide having an obverse face, a reverse face, and an endface. The reverse face has a first light incident portion located near the endface. The obverse face has a second light incident portion located near the endface and a light emitting portion for emitting light incident from the first light incident portion and the second light incident portion. The endface has a concave portion formed along the longitudinal direction of the endface. The light sources are disposed in each of the first light incident portion and the second light incident portion so as to sandwich the concave portion. An image display apparatus includes this lighting device.
Claims9
A lighting device, comprising:
- light sources;
- and
- a light guide having an obverse face, a reverse face, and an endface, wherein:
- the reverse face has a first light incident portion located near the endface;
- the obverse face has a second light incident portion located near the endface and a light emitting portion for emitting light incident from the first light incident portion and the second light incident portion;
- the endface has a concave portion formed along the longitudinal direction of the endface;
- and
- the light sources are provided in each of the first light incident portion and the second light incident portion so as to sandwich the concave portion.
Dependencies are inferred from the claim text.