Regular Paper

[OPTICAL REVIEW Vol. 21, No. 5 (2014) 642-650]
© 2014 The Japan Society of Applied Physics

Modeling and Computer Design of Liquid Crystal Display Backlight with Light Polarization Film

Dmitry D. ZHDANOV1,2, Vadim G. SOKOLOV2, Igor S. POTEMIN2, Alexey G. VOLOBOY2*, Vladimir A. GALAKTIONOV2, and Nikolay KIRILOV3

1National Research University of Information Technologies, Mechanics and Optics, Kronversky pr., 49, St. Petersburg 197101, Russia
2The Keldysh Institute of Applied Mathematics Russian Academy of Science, Miusskaya pl., 4, Moscow 125047, Russia
3Integra Inc., Annex 407, Park Habio Shinjuku, 6-27-28 Shinjuku, Shinjuku, Tokyo 160-0022, Japan

(Received March 31, 2014; Revised June 3, 2014; Accepted June 24, 2014)

The article is devoted to elaboration of the model of scattering polarization film like dual brightness enhancement film (DBEF). This model is used for computer design of backlighting system of liquid crystal display (LCD) where light polarization is important. The model elaboration required development of measurement methods and reconstruction of the parameters for the film polarization, development of the accurate computer model of the polarized light scattering on thin surface. The results of design of LCD backlight with polarization film are presented in the article as well. So it was demonstrated that design of backlight devices with DBEF is possible with help of elaborated software.

Key words: polarization, DBEF, BRDF, BTDF, backlight, LCD, spectral scatterometer

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