Brightness compensation method and system for oled microdisplay based on temperature feedback
A technology of micro-display and temperature feedback, applied in static indicators, instruments, etc., can solve the problems of affecting display effect, OLED luminance fluctuation, OLED luminescence change, etc.
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[0044] The present invention will be further described below in conjunction with the accompanying drawings.
[0045]The invention discloses a brightness compensation method for OLED micro-displays based on temperature feedback. According to temperature changes, the light-emitting time of OLED devices is adaptively modulated, so that the micro-display can maintain the consistency of brightness in a wide temperature range, such as figure 1 shown, including the following steps:
[0046] Step S1, preset the normal temperature, the temperature feedback module determines the required brightness of the micro-display at normal temperature and the corresponding luminous time, and quantifies the luminous time into the luminous series, that is, V COM Pulse width, calculate the temperature and V of the OLED device COM The luminescence time modulation function of the pulse width is fitted by a piecewise linear fit, and the piecewise linear fitting function of the luminescence time modulat...
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