Light-emitting device and illuminator
First Claim
Patent Images
1. A light-emitting device comprising:
- a light-emitting diode;
a portion, formed on a plane substantially parallel to a light-emitting surface of said light-emitting diode, having a dielectric constant periodically modulated with respect to the in-plane direction of said plane substantially parallel to said light-emitting surface; and
a member provided on the side of said light-emitting surface of said light-emitting diode for diffusing light emitted from said light-emitting diode.
5 Assignments
0 Petitions
Accused Products
Abstract
A light-emitting device, having high light extraction efficiency, capable of obtaining diffused light is obtained. This light-emitting device comprises a light-emitting diode, a portion, formed on a plane substantially parallel to a light-emitting surface of the light-emitting diode, having a dielectric constant periodically modulated with respect to the in-plane direction of the plane substantially parallel to the light-emitting surface and a member provided on the side of the light-emitting surface of the light-emitting diode for diffusing light emitted from the light-emitting diode.
-
Citations
24 Claims
-
1. A light-emitting device comprising:
-
a light-emitting diode;
a portion, formed on a plane substantially parallel to a light-emitting surface of said light-emitting diode, having a dielectric constant periodically modulated with respect to the in-plane direction of said plane substantially parallel to said light-emitting surface; and
a member provided on the side of said light-emitting surface of said light-emitting diode for diffusing light emitted from said light-emitting diode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
-
-
19. A light-emitting device comprising:
-
a light-emitting diode;
a portion, formed on a plane substantially parallel to a light-emitting surface of said light-emitting diode, having a dielectric constant periodically modulated with respect to the in-plane direction of said plane substantially parallel to said light-emitting surface; and
means provided on the side of said light-emitting surface of said light-emitting diode for diffusing light emitted from said light-emitting diode.
-
-
20. An illuminator comprising a light-emitting device including:
-
a light-emitting diode;
a portion, formed on a plane substantially parallel to a light-emitting surface of said light-emitting diode, having a dielectric constant periodically modulated with respect to the in-plane direction of said plane substantially parallel to said light-emitting surface; and
a member provided on the side of said light-emitting surface of said light-emitting diode for diffusing light emitted from said light-emitting diode. - View Dependent Claims (21, 22, 23, 24)
-
Specification