When placed side-by-side, it becomes immediately obvious why an OLED computer screen can cost hundreds to thousands of dollars more than a traditional LCD display: the OLED’s contrast and black ...

Generating a stable, dual-voltage, LCD-contrast supply can be difficult, particularly if the two voltage amplitudes must track each other with respect to a given reference level. In Figure 1 ...

If you've ever wondered why contrast ratios claims of LCD monitors can swing so wildly from product to product, here's the explanation: There are "dynamic contrast ratios" and then there are ...

See About archive blog posts. Sharp LCD TVs could get an image-boosting improvement in contrast. Photo: Bloomberg. Ever since LCD flat-panel televisions became popular, videophiles have complained ...