Walmart, Target, Ikea sued by UC Santa Barbara over Edison-style LED bulbs

The University of California is looking to halt imports of vintage-style LED light bulbs and are sold at five of the nation’s biggest retailers, including Walmart, Target and Amazon.
UC Santa Barbara says the retailers should be paying it royalties from sales of the bulbs. Bed Bath & Beyond and Ikea also were named in the complaint filed Tuesday with the U.S. International Trade Commission in Washington and in civil suits in federal court in Los Angeles.
The energy-efficient light bulb