Demonstration of a simplified optical mouse lighting module by integrating the non-lambertian led chip and the free-form surface

Jui-Wen Pan*, Sheng Han Tu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A cost-effective, high-throughput, and high-yield method for the efficiency enhancement of an optical mouse lighting module is proposed. We integrated imprinting technology and free-form surface design to obtain a lighting module with high illumination efficiency and uniform intensity distribution. The imprinting technique can increase the light extraction efficiency and modulate the intensity distribution of light-emitting diodes. A modulated light source was utilized to add a compact free-form surface element to create a lighting module with 95% uniformity and 80% optical efficiency.

Original languageEnglish
Pages (from-to)2834-2841
Number of pages8
JournalApplied Optics
Volume51
Issue number15
DOIs
StatePublished - 20 May 2012

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