Osram Opto Semiconductors has introduced a laser diode with a 50W optical output. The diode is comprised of 20 blue LED laser chips. Osram Opto reports that its developers also successfully doubled the optical output of the individual chips for an overall output of 50 W. The laser diode enables …
Semiconductor Lasers Non-VCSELs
Sharp and Osram Enter into LED and Laser Diode Patent Cross-Licensing Agreement
Sharp Corporation of Osaka Japan and Osram GmbH of Munich, Germany have entered into a patent cross-licensing agreement covering LEDs and laser diodes. Terms of the agreement were not disclosed, and the specific patents covered were also not revealed. The cross-licensing agreement grants each company the right to use inventions …
Sharp and Toyoda Gosei enter into LED and Laser Diode Patent Cross-Licensing Agreement
Sharp Corporation and Toyoda Gosei, both of Japan, have entered into a patent cross-licensing agreement covering LEDs and laser diodes. Under the terms of the cross-licensing agreement, Sharp says the research and development by the two companies will be enhanced, thus contributing to the development of the ever-growing LED industry. …
on December 31, 2009 in LED Chips, Phosphors, Optics, Drivers, Semiconductor Lasers: Non-VCSELs, Single and Multi-chip Packaged LEDs
Mitsubishi Corp. Reaches Settlement with Professor Gertrude Neumark Rothschild in Patent Dispute
Professor Gertrude Neumark Rothschild has reportedly reached a settlement with Mitsubishi Corp. regarding her assertion that the company and dozens of other major electronics manufacturers in Asia and Europe violated her patents for producing LEDs and laser diodes in products. Mitsubishi is only the latest in a long list of …
on November 4, 2009 in LED Chips, Phosphors, Optics, Drivers, Semiconductor Lasers: Non-VCSELs, Single and Multi-chip Packaged LEDs
Rothschild Files New LED patent complaint with ITC Against firms in Taiwan and China
In late February, Gertrude Neumark Rothschild, professor emerita of Materials Science and Engineering at Columbia University in New York, filed a complaint with the U.S. International Trade Commission requesting an investigation against Xiamen Sanan Optoelectronics Technology Co Ltd. of China and Taiwan’s Chi Mei Lighting Technology Corp, Tekcore Co Ltd, …
Nichia and Seoul Semiconductor End Disputes and Agree to Cross License Patents
Nichia and Seoul Semiconductor have brought an end to nearly three years of legal battles between the two companies. Nichia and Seoul Semiconductor jointly announced that the companies have settled their patent litigation and other legal disputes pending in the United States, Germany, Japan, the United Kingdom, and Korea. They …
Nichia and Sharp Sign LED and Laser Diode Patent Cross-Licensing Agreement
Nichia Corporation and Sharp Corporation have entered into a patent cross-licensing agreement covering LEDs (light-emitting diodes) and laser diodes. The agreement allows each company to use the patents related to LEDs and Laser diodes in Japan and other major countries around the world. Nichia points out that it produced the …
on November 24, 2008 in LED Materials (GaN, GaAs, etc.) and Equipment, Semiconductor Lasers: Non-VCSELs, Single and Multi-chip Packaged LEDs
Acculite Constructs High Quality and High Power Green Fiber Laser
Scientists at Acculite Corp. of Bothel, Washington USA constructed a green (540 nm wavelength) fiber laser that can generate 60 W of second-harmonic power in a nearly diffraction-limited beam, according to a recent article in Photonics Spectra. Diode pumped solid state lasers have been reached over 60 W in second-harmonic …
on March 6, 2005 in LED Equipment/Materials - CS Archive Category Only, Semiconductor Lasers: Non-VCSELs
