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A New Way to Churn Out Cheap LED Lighting


A startup in California has developed a manufacturing technique that could substantially cut the cost of LED lightbulbs—a more energy-efficient type of lighting.

LEDs are conventionally made on a relatively costly substrate of silicon carbide or sapphire. Bridgelux has come up a new process takes advantage of existing fabrication machines used to make silicon computer chips, potentially cutting LED production costs by 75 percent, according to the company.


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