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P‐72: Inclined LED Array for Large‐Sized Backlight System
Author(s) -
Chen ChunHo,
Shieh HanPing D.
Publication year - 2005
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 - 10.1889/1.2036500
Subject(s) - backlight , brightness , gamut , light emitting diode , optics , reflector (photography) , led display , light guide , materials science , optoelectronics , liquid crystal display , physics , engineering , light source , electrical engineering
Inclined LED array and flat bottom reflector for large‐sized backlight system was proposed to obtain high brightness uniformity. Tilted LEDs rearrange the angular distribution of light source optimized without extra designing optical configuration. The novel backlight system is simpler in structure than the traditional ones. Optimum inclined angle of 10 degrees of LEDs on 22″ panel as designed example yields the competitive uniformity of 85% and a color gamut of a factor of 1.3 wider than those of commercial CCFL backlight.