<link rel="stylesheet" href="styles.cf390c6bfbe7555f.css">

Browsing by Author "Huang Yung-Chih"

Now showing 1 - 1 of 1
  • Thumbnail Image
    Item type:Item,
    SECONDARY OPTICAL ELEMENT AND LIGHT SOURCE MODULE
    (2015-12-03)
    Hsu Yu-Kai
    ;
    Pan Jui-Wen
    ;
    Huang Yung-Chih
    A secondary optical element including a light incidence surface, a light emitting surface, and a connecting surface is provided. The light incidence surface includes a first and a second light incidence surfaces. The first light incidence surface is a curved surface recessed toward the light emitting surface. The light emitting surface is opposite to the light incidence surface and includes a first and a second light emitting surfaces. The first light emitting surface is a free-form surface recessed toward the light incidence surface or a flat surface. The second light emitting surface is a free-form surface. A diameter of the second light emitting surface is larger than a diameter of the second light incidence surface, and the connecting surface is connected between the second light incidence surface and the second light emitting surface. A light source module is also provided.