Reprinted from the June, 2014 Issue ACTIVE LEDs in a consumer TV product are boosted and dimmed with the video picture content. Boosting and dimming of LEDs is a powerful means to improve visual experience, either through the application of active LEDs in an ambient light feature or through dimming and boosting of the display LEDs in a direct-lit video display. Active … [Read more...]
The Better Box Model
Introduction For the consumer, natural convection cooling or fan-less cooling is the method of choice. It is silent, it is reliable, it is simple, and it is environmentally sound because no additional energy is used to remove the excess heat. For the thermal engineer, fan-less cooling is more problematic. On the plus side, no fan is needed, so there is an attractive cost … [Read more...]
