1An OLED (organic light-emitting diode) layer that emits light.
2A backplane, made of TFT (thin-film transistor) circuits that provide current to the OLEDs, thereby controlling their brightness.
Both layers are often non-uniform, which results in lines, spots, and cloudy areas known as “mura”. As well, both layers can age non-uniformly, which results in burned-in images.
IGNIS Max | Life™ technology is an enhancement to the IGNIS intelligent pixel. It compensates for the OLED material aging, and provides extra TFT compensation for demanding applications.
It does this by measuring each TFT circuit and each OLED element in the display during operation, and uses that data to correct for non-uniformity and aging. This means the display will always show smooth, mura-free and burn-in free images over the entire lifetime of the display – up to 75,000 hours.
MaxLife™ uses three components that work together:
MaxLife™ not only compensates for non-uniformity and aging, but the detailed data it produces can also be used to replace optical inspection, and for detailed process diagnostics.
- Scans all TFTs and OLEDs in 60-120s, detects all pixel and line defects.
- Can be used before assembly (with shorting bar) and after assembly (using source drivers).
- Detailed data detects the cause behind bright/dark spots. It can identify a short/open OLED, or a short/open TFT.
- 12-bit uniformity data can be used for process diagnostics and statistical process control.
- This detailed data can be used to improve the yield of the process.