To test various algorithms for a forthcoming product, I have the abovementioned OLED display built into a test rig, standing on my bedside table every night. To cater for night-time use in a dark room, and daytime use in the sun, we implemented a menu driven contrast adjust setting, over the full range allowed.
Problem is, is that even on lowest setting the screen is too bright and obtrusive at night in a dark room. How can one gain more control over the level of drive to the OLED to reduce the OLED output? Can it be done in software or hardware?
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