What on Earth isEarthtalkfrom the Editors of E/the Environmental Magazine
Local dimming can help to improve the quality of the image by reducing blooming (sometimes called glare) and increasing the contrast. Blooming is a visual artifact that occurs when a bright area of an image causes light to spill over into surrounding dark areas, creating a halo effect. Local ...
Direct-Lit Global Dimming A standard LED LCD with global dimming has a grid of LEDs at the back of the screen. These LEDs, however, cannot be individually dimmed. Instead, the entire screen gets brighter or darker according to the picture. In other words, global dimming means that there’s...
In commercial lighting fixtures, such as LED panels, downlights and spotlights, the driver is usually separate from the fixture. This means that the driver is accessible to the installer so that, if the driver is the appropriate type, dimming control wires, in addition to the mains supply wir...
Local Dimming Doesn't Apply to OLED If you're looking at buying an OLED television, you don't need to worry about local dimming zones. Since OLED is self-emissive, each pixel is capable of generating its own light output. There's no need to dim a backlight because there's no backlig...
Well, smartphone manufacturers have been using DC dimming on LCDs for years, but it was only recently that they started to add it on AMOLED smartphones. This is because DC dimming has a big drawback. At low levels of brightness, the colors often come out skewed on OLED panels. In OLED...
However, the blacks on LCD TVs are somewhat brighter than those on OLED TVs, which is the reason why you should check if the LCD TV you would like to buy is equipped with the Local Dimming feature. Electro-Optical Transfer Function is one of the most important technologies HDR TVs use to...
In other words, G-SYNC Ultimate no longer guarantees amazing HDR image quality. It is as misleading as the other HDR certifications. For the best HDR image quality, you’ll have to check if the monitor has a good full-array local dimming solution with many zones (or simply an OLED panel...
Part Number: LM3409-Q1 Dear team, My customer's application condition is that PWM frequency is 25-30Hz, and the minimum duty cycle of PWM dimming is 1%-2%. Is
Pulse Width Modulation (PWM) is an easy way to control monitor brightness.When you lower the brightness, the light intensity of the backlightis not lowered, but insteadturned off and onby the electronics with a frequency indistinguishable by the human eye. In these light impulses,...