Patent ID: 9466772
Filing Date: 2016-10-11
CPC Classification: H01L

Claim Text:
1. A light-emitting device, comprising: a chip-on-board (“COB”) having a first surface and a second surface and containing at least one light emitter diode (“LED”) situated adjacent to the first surface, the COB configured to emit optical light from the LED passing through the first surface; a silicone inner layer (“SIL”), having a first operating temperature, a first silicone surface, and a second silicone surface, wherein the second silicone surface of the SIL is disposed on the first surface of the COB; and a Poly methyl methacrylate (“PMMA”) layer, having a second operating temperature, an inner surface, and an outer surface, wherein the inner surface of the PMMA layer is disposed on the first silicone surface of SIL, wherein the first operating temperature has a higher operating temperature than the second operating temperature.