2014-02-26

Epistar and Philips Enter Patent Cross-License Agreement

Epistar announced today that it has reached a patent license agreement with Philips for dies in LED products. Under the license agreement, both companies grant each other a license to use each other’s patents for III-V compound semiconductor light emitting dies, which include InGaN LEDs and AlGaInP LEDs.
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For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., Ltd. (KOSDAQ: 092190) today announced that it has broken that dependence. It h... READ MORE

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