Philips UltraEfficient LED | Energy-saving lighting solution | Philips lighting https://share.google/lptcUJwHZWOQP1JMJ https://share.google/lptcUJwHZWOQP1JMJ T

Philips UltraEfficient LED | Energy-saving lighting solution | Philips lighting https://share.google/lptcUJwHZWOQP1JMJ https://share.google/lptcUJwHZWOQP1JMJ They are direct AC bulbs, no inverter needed. They do have smoothing capacitors so they don't flicker, and I think a slight redesign of the drive circuitry could add ~10% more efficiency...