Add Yahoo as a preferred source to see more of our stories on Google. Press the F5, F9, or F11 key to turn your HP laptop keyboard light on or off. Some HP laptops need the Fn key pressed with the ...

A light guide transmits light with high uniformity and minimal loss from an LED light source to a particular area away from its light source. Light guides are made from optical grade material such as ...

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Have you ever found yourself furiously typing in the dead of night wishing your keyboard had its own personal light? Well, Mr. Brightside is here to help. This little guy is a USB keyboard light sure ...

Night owls have a new wireless keyboard to swoon over, as do daytime warriors. It's Logitech's just-released "Wireless Illuminated Keyboard K800" (we'll just call it the K800), a nifty plank sporting ...