Tech news tagged ‘light bulbs’

LED driver circuit for 100W A19 light bulbs

An LED-driver reference design for an LED replacement of 100W  incandescent bulbs has been introduced by Power Integrations, writes Richard WIlson.

Dubbed DER-322, the circuit is desigend to fit neat inside the A19 form factor, is EN61000-3-2 C (D) compliant and easily passes THD limits. With…

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Lasers trump LEDs for lighting your house

US researchers at Sandia National Labs have demonstrated that people are comfortable with viewing objects lit by four coloured lasers – blue, red, green, and yellow – instead of white LEDs or light bulbs, writes Steve Bush. Lasers are extremely narrowband, 10x narrower than the blue LEDs used in ‘white’ lighting LEDs…

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