Holographic diffusive reflectors for reflective color LCDs

Terutaka Tokumaru; Ken-ichi Iwauchi; Yoshiyuki Higashigaki

doi:10.1117/12.343772

25 March 1999 Holographic diffusive reflectors for reflective color LCDs

Terutaka Tokumaru, Ken-ichi Iwauchi, Yoshiyuki Higashigaki

Proceedings Volume 3637, Practical Holography XIII; (1999) https://doi.org/10.1117/12.343772
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

A diffusive color reflector using volume hologram was examined to implement a diffusive reflector to be employed in reflective color LCDs, with high brightness due to gain reflection and with high color purity and high light efficiency. In holographic exposure experiment a micro-lens- array was introduced to generate object lights and to define an abrupt gain profile and to control the magnitude of the angular profile. The DuPont materials were used to obtain high color purity of reflection lights. The high light efficiency was realized by broadening the reflection width to the value of about 100 nm under an optimized color tuning process.

Citation Download Citation

Terutaka Tokumaru, Ken-ichi Iwauchi, and Yoshiyuki Higashigaki "Holographic diffusive reflectors for reflective color LCDs", Proc. SPIE 3637, Practical Holography XIII, (25 March 1999); https://doi.org/10.1117/12.343772

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