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P‐111: Multi‐Performance Film (MPF) for Highly Efficient LCD Backlights
Author(s) -
Hsieh JenChieh,
Huang YiPai,
Chen ChunHo,
Lo YuChun,
Fang JenYu,
Shieh HanPing D.,
Yu GuSheng,
Chiang Tien
Publication year - 2008
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.3069472
Subject(s) - backlight , light guide , materials science , prism , liquid crystal display , mura , optics , optoelectronics , coupling (piping) , cylinder , light source , mechanical engineering , composite material , physics , engineering
A multi‐performance film (MPF) which has concave‐parabolic cylinder micro prism structures was proposed to improve light coupling efficiency and to reduce lamp‐Mura defect. A MPF combined light diffusion and light collecting performance as a multiple functional film. By applying the MPF, wider FWHM angle, higher light output coupling efficiency, and slighter lamp‐Mura were demonstrated on a 32‐inch direct‐type backlight.
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