Patent ID: 8845165
Filing Date: 2014-09-30
Classification: F21K,F21V,F21Y,G02B

Abstract:
1. A light source for a crystal lamp, comprising: a substrate; at least one light-emitting chip disposed on the substrate and capable of emitting short-wavelength light; a phosphor disposed in a transmitting path of the short-wavelength light to transform the short-wavelength light into white light; a package body disposed on the substrate to seal the light-emitting chip and the phosphor; a transparent pillar-shaped body disposed on the package body, wherein a linear micro structure protrudes from and spirally and continuously surrounds a side surface of the transparent pillar-shaped body, the white light is reflected by or refracted through the linear micro structure to allow the linear micro structure to function as a linear light source; and at least one notch structure formed on a top surface of the transparent pillar-shaped body and concave towards the inside of the transparent pillar-shaped body.