Power test method for LED backlight LCD TVs and software development |
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| Authors: | LIU Zhen ZHANG Jian-hua |
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| Institution: | School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, P. R. China;Key Laboratory of Advanced Display and System Application(Shanghai University), Ministry of Education, Shanghai 200072, P. R. China |
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| Abstract: | As the appearance of local dimming technique, the current existing test methods are not suitable for testing the power consumption
of the LCD TVs using the local dimming technique any longer. A test method appropriate to LED backlight LCD TVs using the
local dimming technique is proposed in this paper, and then the test software is developed. The results demonstrate that the
test software developed can show the real average power consumption of the LCD using local dimming technique, and by normalization
the power consumption become comparable for not only local dimming LCD TVs but global dimming LCD TVs. Using the software
developed in this paper, the ratio of power saving is clear when an LCD TV using the local dimming technique compared with
one without local dimming technique. |
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| Keywords: | local dimming global dimming power consumption test comparison |
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