From local dimming and HDR brightness to Mini LED, RGB LED, and Dolby Vision 2, we answer reader questions about modern TV picture quality and what display technology matters most in 2026.

Light-emitting semiconductors are used throughout everyday life in TVs, smartphones, and lighting. However, many technical ...

Ohio University students have recently gained access to an impressive 21-foot-wide by 12-foot-tall LED Wall. This acquisition ...

These are the best motion-sensing lights for indoor use. Good indoor lighting ensures your home is safe for someone who is ...

It’s encouraging to see Lego use technology to innovate on its standard bricks, but it should also make use of the ...

This project demonstrates a low-cost intelligent traffic signal system using Arduino and ultrasonic sensors to reduce congestion caused by fixed-timer traffic lights. Four HC-SR04 sensors detect ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

A new light-driven cancer therapy uses LEDs and tin nanoflakes to kill tumors safely and affordably. Developed by teams in Texas and Portugal, it eliminates up to 92% of skin cancer cells without ...

TCL has announced its latest Q9M series RGB-Mini LED TVs at the 2025 TCL Mini LED Autumn Launch Event in China. The series includes 65-inch, 75-inch, 85-inch, and 98-inch models. Each model features ...

September 8, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Did you know you can customize Google to filter out garbage?

Light-emitting diode (LED) light therapy is a cosmetic and medical treatment that uses LED wavelengths to treat various skin conditions, such as acne and psoriasis. You can get this therapy at a ...