| Nichia and Nitride Semiconductor Research Laboratory Claim 135 lm/W White LED at 1A September 8, 2010...Nichia reports having achieved some impressive results in the lab for its white LEDs.
In the latest issue of Physics D, Yukio Narukawa and a group of researchers from Nichia Corporation and Nitride Semiconductor Research Laboratory, claimed to have achieved 135 lm/W efficacy at 1A with four high power blue LEDs dies made into a white LED. Narukawa says that as far as he knows 135 lm/W is a record for... Nichia Files Four Provisional Injunction Actions Against LED Bulb SellerSeptember 8, 2010...Nichia Corporation reports that it has filed four provisional injunction actions in Tokyo District Court to enjoin Tsannkuen Japan (Sankun Nihon Denki Kabushiki Kaisha) from infringing Nichia's patents. Nichia alleges that the white LEDs used in certain LED light bulb products of Tsannkuen Japan, sold by G.K. Seiyu and K.K. Yamada Denki, infringe Nichia's white LED patents (No. 3724498, No. 3995011, No. 4109297, No. 4530094). For this reason Nichia filed... WLED Charge-Pump Backlight Driver Dramatically Lowers Power Consumption of Handheld DevicesAugust 26, 2010...Analog Devices, Inc. of Norwood, Massachusetts USA, a producer of semiconductors for signal-processing applications, introduced the ADP8870 white LED charge-pump backlight driver. ADI boasts that the ADP8870 lowers the power consumption of battery-operated handheld devices by up to 45 percent without compromising viewing quality.
According to the company, the ADP8870 combines three key functions. It has a programmable backlight LED charge-pump driver and has inputs for a photo transistor to... Lextar of Taiwan to Adopt 6-inch Epitaxy MOCVD EquipmentAugust 24, 2010...Lextar Electronics, a Taiwan-based LED chipmaker, will reportedly adopt MOCVD systems for 6-inch epitaxial wafers at the end of 2010, according to an article in Digitimes.
After the new MOCVD systems are installed, Lextar may be the first LED chipmaker in Taiwan with such equipment. The switch from 4-inch to 6-inch epitaxial wafers for LED production translates to a lower cost per LED and less unused wafer space.
According... SemiLEDS Files for $173 Million IPOAugust 10, 2010...SemiLEDS Corporation, a U.S.-based maker of LED chips and components for customers in China, Taiwan, and Korea, filed for an Initial Public Offering on Friday. The company filed with the U.S. Securities and Exchange Commission to raise up to $173 million. The company was founded in 2005 and booked $29 million in sales for the 12 months ended May 31. SemiLEDs plans to list on the NASDAQ under the symbol... Philips Lumileds' Factory Gets Visit From Penang’s Chief MinisterAugust 3, 2010...In his first visit to the Philips Lumileds' plant in Bayan Lepas, Malaysia, Penang’s Chief Minister Lim Guan Eng was greeted by Glen Brownlie, General Manager. Jascha Ortmanns, VP of Asia Operations; and Lee Weng Seong, chairman and chief executive officer of Philips Group of Companies in Malaysia were also on hand. Lee Weng Seong gave the state’s premier a brief on the factory’s history before embarking on an exclusive... Bridgelux Former President and CEO Becomes CEO of IntematixAugust 3, 2010...Mark Swoboda, the former president and CEO of LED maker Bridgelux, has become the CEO of the phosphor expert company, Intematix.
At Bridgelux, Mark Swaboda reportedly transformed the company from an R&D and chip design business into a vertically integrated solid state lighting product company. Prior to Bridgelux, Mark served as Executive Vice President of Philips Lumileds, where he led sales, marketing, applications and custom product development teams that pioneered... Analog Devices Introduces New LED Flash Driver for Camera PhonesJuly 30, 2010...Analog Devices Inc. (ADI) has added a new 1500-mA white LED driver. The ADP1650, an inductive-based flash driver has a 4-bit ADC, two separate TxMASK inputs, a programmable I²C interface, and a programmable flash and torch currents up to 1500 mA for single LED.
According to the company, the ADP1650 LED driver offers 85 percent high-efficiency at a battery voltage at 90 percent peak. The driver is comes in a...
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... Nichia Corporation reports that it has filed four provisional injunction actions in Tokyo District Court to enjoin Tsannkuen Japan (Sankun Nihon Denki Kabushiki Kaisha) from infringing Nichia's patents. Nichia alleges that the white LEDs used in certain LED light bulb products of Tsannkuen Japan, sold by G.K. Seiyu and K.K. Yamada Denki, infringe Nichia's white LED patents (No. 3724498,... 
