Patent ID: 8911160

Claim:
A light emitting device package, comprising: a substrate; a light emitting device on the substrate; and an optical lens over the light emitting device, wherein the optical lens includes: a top surface of the optical lens; a recessed surface centrally disposed on the top surface; a first bottom surface, wherein the first bottom surface is disposed below the recessed surface; a second bottom surface connected to the first bottom surface, wherein the first bottom surface is centrally disposed with respect to the second bottom surface; and a third bottom surface connected to the second bottom surface, wherein the third bottom surface is closer to the substrate than the first and second bottom surfaces, wherein the first, second and third bottom surfaces delimit a hollow portion into or under which the light emitting device is disposed, wherein the recessed surface converges towards a center of the recessed surface, and the first bottom surface converges towards a center of the first bottom surface, wherein the centers of the recessed surface and the first bottom surface substantially lie on a central axis of the light emitting device, and wherein at least one of the second and third bottom surfaces includes a curved or slanting shape.