Patent ID: 9335023
Filing Date: 2016-05-10
CPC Classification: B29D,F21V,F21Y,G02B,Y10S

Claim Text:
1. A quantum dot lens, comprising a lens body in the shape of a rotator, a light incident surface and a light exit surface are formed on the lens body, the centers of the light incident surface and the light exit surface are located in the center axis of the lens body; quantum dot materials are filled inside the lens body; the lens body includes an encapsulating tube made from glass; a filling cavity is formed inside the encapsulating tube, wherein the shape of the filling cavity matches with the shape of the rotator; the quantum dot materials are filled into the filling cavity; a bottom surface of the encapsulating tube is a plane; a thickness of the glass of the bottom surface is equal everywhere; a thickness of the light exit surface of the encapsulating tube is uniform everywhere; and the light exit surface of the encapsulating tube is in the shape of a hemisphere or a semi-ellipse, a hemisphere or a semi-ellipse with a conical hole, a bispherical papilionaceous surface or a bispherical papilionaceous surface with a conical hole.