Performance Analysis and Three-dimensional Design for the Light Source of LED Automobile Headlights
Wang Shengping
Jing Yujun
Guo Meihua
Abstract：This paper analyzes how the package surface expansion coefficient and the angle of light emitting change when LED light source is extended from two-dimensional package to 3D package.On this basis, the 3D LED light sources of the automobile headlamp with three different package lengths and different powers is designed and manufactured The test results show the luminous flux of 3 D package source increases linearly with the input current .When the actual light-emitting power was 15.2 W, the luminous flux is up to 2000 lm required by the high beam at the headlight .The energy saving effect is obvious .The color temperature will increase with the input current .The luminous efficiency and the color coordinate will decrease with .The color rendering index remained unchanged basically .
Keywords：LEDautomobile headlight3 D package
Publication Date：2016-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 96-100 )