P-93: Free ghost image and high transmittance optical thin film beam splitter for head-up display

Cheng Chung Lee*, Shu Hui Tsai, Chien Cheng Kuo, Cheng-Huan Chen, Lin Ming Teng, Kuang Tso Luo

*Corresponding author for this work

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

In order to eliminate the double images caused from thick windshield, we used optical thin film technology to design a beam splitter applied for head-up display (HUD). In our research, light source we used is p- polarized light because of its contrast is better than s-polarization. This beam splitter can reflect multicolor and improve the influence of ghost images. Reflectance of p polarization is 22.6% and the total reflecting contrast of the first surface to the second surface is 9, while the total transmittance of beam splitter is above 70%.

Original languageEnglish
Pages (from-to)1451-1453
Number of pages3
JournalDigest of Technical Papers - SID International Symposium
Volume42 1
DOIs
StatePublished - 1 Jun 2011

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