| 摘要 |
PROBLEM TO BE SOLVED: To automatically correct a change in the lapse of time of a lamp in a constant cycle without stopping a system even while operating of a DLP multi-screen display device. SOLUTION: This DLP multi-screen display device has a master DLP display part 2 and first to third slave DLP display parts 3, 4 and 5, in each DLP display part, a brightness sensor periodically detects the brightness of respective light sources, these pieces of brightness information are collected in the master DLP display part 2 by communication, a CPU of the master DLP display part 2 periodically operates a correction amount by a brightness correcting part of each DLP display part so as to make the brightness of each DLP display part arranged in a uniform manner on the basis of these pieces of brightness information and communicates the correction amount to each DLP display part, and each DLP display part performs brightness correction on the basis of the operated correction amount. COPYRIGHT: (C)2005,JPO&NCIPI
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