LIGHT-EMITTING DEVICE INCLUDING NITRIDE-BASED SEMICONDUCTOR OMNIDIRECTIONAL REFLECTOR
First Claim
Patent Images
1. A light-emitting device comprising:
- a nitride-based reflector; and
a light-emitting unit that is disposed on the nitride-based reflector,wherein the nitride-based reflector includes undoped nitride semiconductor layers and heavily-doped nitride semiconductor layers that are alternately stacked, and each of the heavily-doped nitride semiconductor layers has a smaller area than those of adjacent updoped nitride semiconductor layers to have air layers between the adjacent undoped nitride semiconductor layers.
1 Assignment
0 Petitions
Accused Products
Abstract
A light-emitting device includes a nitride-based semiconductor reflector. The light-emitting device includes a nitride-based reflector and a light-emitting unit that is disposed on the nitride-based reflector. The nitride-based reflector includes undoped nitride semiconductor layers and heavily-doped nitride semiconductor layers that are alternately stacked. The heavily doped nitride semiconductor layers are etched at their edges to form air layers between adjacent undoped nitride semiconductor layers.
16 Citations
15 Claims
-
1. A light-emitting device comprising:
-
a nitride-based reflector; and a light-emitting unit that is disposed on the nitride-based reflector, wherein the nitride-based reflector includes undoped nitride semiconductor layers and heavily-doped nitride semiconductor layers that are alternately stacked, and each of the heavily-doped nitride semiconductor layers has a smaller area than those of adjacent updoped nitride semiconductor layers to have air layers between the adjacent undoped nitride semiconductor layers. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A light-emitting device comprising:
-
a nitride-based reflector; and a light-emitting unit that is disposed on the nitride-based reflector, wherein the nitride-based reflector includes undoped nitride semiconductor layers and heavily-doped nitride semiconductor layers that are alternately stacked, and the nitride-based reflector further includes cavity layers surrounding the heavily-doped nitride semiconductor layers between adjacent undoped nitride semiconductor layers, the cavity layers having a plurality of air holes. - View Dependent Claims (9, 10, 11, 12, 13, 14)
-
-
15-20. -20. (canceled)
Specification