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news digest ♦ LEDs


our company is a prime example for international collaboration to transfer the scientific achievements to society,” continued Odnoblyudov.


“Solid state lighting is the energy efficient solution of the future with a convincing global potential. I strongly believe, that Optogan has a great opportunity for joint projects and cooperation with American business partners,” said secretary Chu.


Steven Chu, who won the Nobel Prize in Physics in 1997, was appointed by President Obama as Secretary of Energy heading the U.S. Department of Energy (DOE). Chu dedicated his scientific career to solving energy problems, global warming and developing alternative and renewable energy. Steven Chu is member of the US National Academy of Sciences. He directed the National Laboratory in Berkeley in developing alternative and renewable energy sources. Chu graduated from the University of California Berkeley with a PhD. in Physics and received honorary degrees from 10 universities.


Osram sues Samsung and LG


The patent infringement litigation focuses on patents of Osram’s white and surface mountable LED technologies, typically used in display backlighting for TV sets and monitors.


Osram has filed legal actions against Samsung group companies and LG group companies in the US and Germany as well as against an LG group company in Japan.


Based on its conviction that these companies, respectively, infringe fundamental patent rights, Osram will also file a suit against LG in China tomorrow. With this move Osram intends to enforce its patents on LED technology.


In these lawsuits Osram stresses that Samsung and LG group companies infringe its patents on white and surface mountable LEDs in the US, Germany and, as far as LG is concerned, in Japan and China. Osram intends to prevent unauthorised use of its technology and seeks orders from the courts to prevent Samsung and LG from importing and selling infringing LEDs and products containing these LEDs, such as LED-backlit TV sets and


56 www.compoundsemiconductor.net October 2011


computer monitors. In addition, Osram is applying for compensation.


The legal actions focus on LEDs using technologies protected by Osram patents. These technologies relate to the electrical and thermal connection structure as well as to conversion technology, which is used, inter alia, to convert the blue light of the LED chip into white light. Typical applications of such white LEDs include, for instance, display backlighting for TV sets and monitors.


By taking royalty-bearing licenses, a variety of prominent companies around the world has recognised the value of the Osram patents on conversion technology.


“Our objective in taking legal actions against Samsung and LG group companies is to prevent unauthorised use of our valuable technology,” stated Aldo Kamper, CEO of Osram Opto Semiconductors.


“We have a considerable number of patents which we developed in the course of many years of intensive research and development work. Major competitors such as Philips/Lumileds, Cree, and Nichia have acknowledged our strong IP position by entering into cross-license agreements with Osram”, explained Kamper.


GT Solar receives $460.4 million order for sapphire crystallization furnaces


The firm’s largest single order to date is from a Chinese based firm who is new to the LED industry.


GT Solar International has received an order for its advanced sapphire crystallisation furnaces totalling $460.4 million from a new market entrant.


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