LIGHT SOURCE DEVICE, DISPLAY APPARATUS AND ELECTRONIC EQUIPMENT
First Claim
1. A light source device comprising:
- a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other;
a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side; and
a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, whereina plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, andthe diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas.
1 Assignment
0 Petitions
Accused Products
Abstract
Provided is a light source device including a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other, a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side, and a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, wherein a plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, and the diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas.
-
Citations
12 Claims
-
1. A light source device comprising:
-
a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other; a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side; and a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, wherein a plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, and the diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A display apparatus comprising:
-
a display part performing image display; and a light source device emitting light for image display toward the display part, wherein the light source device includes a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other; a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side; and a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, wherein a plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, and the diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas. - View Dependent Claims (9, 10, 11)
-
-
12. Electronic equipment comprising
a display apparatus, wherein the display apparatus includes a display part performing image display; - and
a light source device emitting light for image display toward the display part, wherein the light source device includes a light guiding plate including a first internal reflection plane and a second internal reflection plane opposite to each other; a first light source irradiating an inside of the light guiding plate with first illumination light from its lateral side; and a diffusion member disposed opposite to the first internal reflection plane or the second internal reflection plane and diffusing incident light, wherein a plurality of transmission areas permitting the first illumination light to pass and to radiate toward an outside of the light guiding plate are provided on the first internal reflection plane or the second internal reflection plane, and the diffusion member is disposed opposite to the plurality of transmission areas and diffuses light having passed through the plurality of transmission areas.
- and
Specification