TDG Holding plans to invest 360 million yuan to upgrade a facility that produces four-inch LED sapphire substrate, with annual capacity of 600,000 pieces, reports yicai.com, citing a company filing. It expects the upgrade to contribute 298.8 million yuan of revenue and yield net profit of 77.323 million yuan annually, for a yield rate of 21.31 percent and an investment return period of 5.94 years.

OSRAM Opto Semiconductors has introduced IR OSLON SFH 4715S, a compact infrared LED with nanostack chip technology. The IR LED provides optical power of over a watt.

Samsung Electronics said Wednesday that it has no intention of taking over Hewlett-Packard's personal computer business.

German high-tech lighting manufacturer Osram gmbh and its subsidiary, Osram Opto Semiconductors, filed multiple lawsuits in South Korea against companies controlled by LG Electronics Inc. and Samsung LED Co. Ltd., claiming that the companies are infringing core Osram patents.