资讯

Generally, a higher contrast ratio is better since a display with a 100,000:1 ratio can produce darker black levels and more saturated colors than one with a 1,000:1 rating, thus achieving a more ...
Adjusting the LED backlight in an LCD TV or monitor on the fly to create a higher contrast ratio. When a dark image is displayed, the LEDs are dimmed or turned off behind the pixels. When light ...
It's a fairly safe assumption this new projector will be even better. The new Projector ... (in either Sony or JVC forms) for contrast ratio, often went for higher brightness.