I've been reading a bit on OLED lifespan and came across the following:
"Using this advanced solution-based materials set, DuPont Displays has also exceeded the reported performance of other solution-based OLED materials. DuPont Displays has measured accelerated lifetimes of the three primary colors that could translate in a display to 20,000 hours of white lifetime (which is extended by as much as 5 times when showing video) at a normal viewing brightness (200 cd/m2). At 1,000 cd/m2, the standard test luminance used in the industry, the DuPont materials have lifetimes (T50) of 14,000 hours for blue
with CIE 1931 color coordinates of (0.14, 0.16), 230,000 hours for green with color coordinates of (0.29, 0.65), and 46,000 hours for red with color coordinates of (0.66, 0.34). In a review of widely available reports, these are the longest measured lifetimes for a solution material set with equivalent color coordinates."Source
My question is what happens after the lifespan is reached. Does the color just go away? Does the color remain, but it is much less subtle?