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P‐38: LED Parallel Drive for AMLCD Backlighting
Author(s) -
Weindorf P.,
Lee E.
Publication year - 2001
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 - 10.1889/1.1831957
Subject(s) - backlight , emi , liquid crystal display , light emitting diode , rgb color model , electrical engineering , computer science , led lamp , fault (geology) , engineering , physics , electromagnetic interference , optoelectronics , artificial intelligence , seismology , geology
A unique LED parallel drive circuit has been developed for LCD backlighting. The circuit uses a current source feedback method to uniformly drive many LEDs and features low EMI, 5V supply operation, RGB white color balance, and open/short LED fault tolerance.
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