Monocrystal ofStavropol, Russia, a grower and processor of synthetic Sapphire, announced that the company has supplied its 150-millionth two-inch equivalent (TIE) product. Since its founding in 1999, Monocrystal has changed from a niche sapphire company into a well-established high-volume supplier. The company says it now provides a stable stock of …
Crystals & Boules
Examination of Single Perovskite Crystals Reveals Much Untapped Potential for Solar and LEDs
Engineers at the University of Toronto have for the first time demonstrated some of the optoelectronic properties of pure perovskite crystals. This emerging family of solar-absorbing materials and understanding their optoelectronic properties could lead to more efficient and cheaper solar panels and LEDs. Through their examination of the properties of …
Graphene and LEDs Made with Super-Thin Crystals Pave the Way for Flexible Electronics
Researchers from the University of Manchester and the University of Shiefield have successfully created extremely flat LEDs with grapheme and 10 to 40 atom thick crystals. Nobel Laureate Sir Kostya Novoselov led the team that engineered the LEDs on the atomic level. They published the results in the Nature Materials. …
GT Advanced Technologies to Supply Sapphire Materials to Apple, But not for LEDs
GT Advanced Technologies announced that it has entered into a multi-year supply agreement with Apple Inc. to provide sapphire material. The sapphire material will specifically not go into LEDs. It will go into screens and lenses of Apple products. GT will own and operate ASF® furnaces and related equipment to …
Samsung Researchers Develop Method to Grow GaN LEDs on Glass
Samsung researchers have devised a method of growing single crystal gallium nitride LEDs on regular glass. First, a layer of titanium is applied on the glass. In the second step, a thin layer of GaN is deposited on the titanium metal layer. This thin layer, which is grown at a …
on October 9, 2011 in LED Chips, Phosphors, Optics, Drivers, LED Materials (GaN, GaAs, etc.) and Equipment, Crystals & Boules
GT Solar Gets Order for Sapphire Growth Systems from New Entrant into LED-Related Material Market
GT Solar International, Inc., a provider of sapphire crystalline growth systems and materials for the solar, LED and other specialty markets, reports that that it has received an order for its sapphire crystallization furnaces totaling $218.9 million from Guizhou Haotian Optoelectronics Technology Co. LTD (HTOT). The order will be placed …
UCSB Makes Massive Efficiency and Brightness Gains in Nonpolar and Semipolar LEDs
Researchers at UC Santa Barbara Solid State Lighting & Display Center and the Japan Science & Technology Agency Exploratory Research for Advanced Technology program (JST ERATO) report setting new records for nonpolar and semipolar LED efficiency. Shuji Nakamura, Steve DenBaars, and James Speck, all professors of materials, are three important …
Cree Stock Tumbles on Poor Preliminary Results
White LED pioneer and silicon carbide producer, Cree Inc.,of Hillsboro, North Carolina USA, in preliminary Q4 results reported profits on the low end of the expected range. The company’s revenue reached $106 million on revenue predictions of $106-110 million. News of the lower than expected revenues sent the company stock …
on July 12, 2006 in Single and Multi-chip Packaged LEDs, Crystals & Boules, CS Services: Financial Analysts
Dr. Shuji Nakamura and UCSB Research Team Report First Nonpolar and Semi-Polar GaN LEDs
Dr. Shuji Nakamura and a University of California, Santa Barbara (UCSB) team have reported making the first LEDs on non-polar and semi-polar GaN substrates. In an address to delegates at the International Symposium on Blue Lasers and LEDs (ISBLLED) in Montpellier, France, Dr. Shuji Nakamura explained the results of of …
Nichia Attempts Explanation of ‘404 Patent Abandonment
Nichia attempted to clarify the reasoning behind waiving its right to the gallium nitride growth patent for blue LEDs on Wednesday. Nichia says it gave up its contentious gallium nitride growth patent for blue LEDs in order to save 5.2 million yen per year in patent maintenance costs. This excuse …
