As the world ’ s second largest manufacturer of optoelectronic semiconductor for the illumination, sensing and visualization sectors, Osram Opto Semiconductors GmbH combines extensive know-how in semiconductors, converter materials and packages under one roof.

Competing firms in the LED industry include Nichia Corporation, Osram Opto Semiconductors, Philips Lumileds Lighting Company, Seoul Semiconductor, Epistar, Everlight Electronics and GE Lumination.

Two application notes from Osram Opto Semiconductors describing pulsed operation of a Laser diode, using avalanche transistors and other kind of drivers.

Philips also abandoned the Sylvania trademark which is owned by Osram.

Philips uses one system which is becoming outdated ( 2010 ), while the ( German ) Osram system is becoming dominant outside North America.

" MetalArc " is Osram Sylvania's trademark for their metal halide lamps ; " Arcstream " and " MultiVapor " are General Electric's trademark.

Osram AG is a multinational lighting manufacturer headquartered in Munich, Germany, and a wholly owned subsidiary of Siemens.

The " Osram " name is derived from osmium and Wolfram ( German for tungsten, also used in English ), as both these elements were commonly used for lighting filaments at the time the company was founded.

Osram is a multinational corporation with headquarters in Munich, Germany, and plants in Germany, Italy, France, India, Latvia, Slovakia, Czech Republic, Russia, Japan, the People's Republic of China, Indonesia and Argentina, and it employs more than 40, 000 people throughout the world.

The company's North American operation is Osram Sylvania, headquartered in Danvers, Massachusetts ; products sold in the United States, United States territories, Canada and Mexico are sold under the Osram Sylvania brand name.

The rights to the Sylvania name in many countries are held by the U. S. subsidiary of the German company Osram which, itself, is a subsidiary of Siemens AG ( NYSE: SI ).

It is a technology supplier of self-powered modules ( transmitters, receivers, transceivers, energy converter ) to companies ( e. g. Siemens Building Technologies, Distech Controls, Seamless Sensing, Zumtobel, Omnio, Osram, Wieland Electric, Peha, Thermokon, Wago, Herga ), which develop and manufacture products used in building automation ( light, shading, hvac ), industrial automation, and automotive industry ( replacement of the conventional battery in tyre pressure sensors ).

* Osram Sylvania, a North American manufacturer of light sources, wholly owned by Osram AG of Germany.

Other major employers are Siemens, with its subsidiary, Osram Opto-Semiconductors, and Siemens VDO ( now Continental AG ), with the headquarters of its car component business.

In March 2011, it was decided to list Osram on the stock market in the autumn, but CEO Peter Löscher said Siemens intended to retain a long-term interest in the company, which was already independent from the technological and managerial viewpoints.

Major industrial sites included the Osram lamp factory at Brook Green, the J. Lyons factory ( which at one time employed 30, 000 people ) and the largest municipal power station in Britain, built near the gasworks in Sands End.

In 1985 Osram started selling its model EL lamp, which was the first CFL to include an electronic ballast.

In fiscal year 2006, the company achieved sales of about 2 billion euros, which comprises 43 % of total Osram sales.

In fiscal year 2008, the company achieved sales of about 1. 75 billion euros, which comprises 38 % of total Osram sales.

Osram supplies customers in about 150 countries and manufactures at 42 sites in 16 countries.

Osram Sylvania Inc. manufactures and markets a wide range of lighting products for homes, business, and vehicles and holds the largest share of the North American lighting market.

Osram Sylvania Inc. manufactures and markets a wide range of lighting products for homes, business, and vehicles and holds a leading share of the North American lighting market.

Stained or unstained sections were examined under dark field illumination in a Zeiss fluorescence microscope equipped with a mercury vapor lamp ( Osram HBO 200 ).

With the help of some companies such as Philips and Osram Sylvania, halogen bulbs have been made for standard household fittings, and can replace banned incandescent light bulbs of low luminous efficacy.

The resulting company, ( to become Osram in 1909 ), was to lead the way in lamp design and the burgeoning demand for electric lighting was to make GEC's fortune.

Hirst's shrewd investment in lamp manufacture was proving extremely profitable and in 1909 Osram began production of the most successful tungsten filament lamps in the industry.

* Sylvania Electric Products, former North American electric and electronics firm, forerunner to Havells Sylvania and Osram Sylvania.

* John Fowler & Co. 0-4-0DM No. 20067 " Osram "

One company, Osram, made an ingenious move.

* MX40 – Osram pentagrid 1934.

The General Electric company pays £ 100 to have a box of Osram electric lamps flown from Shoreham to Hove in England.

A Osram Sylvania | Sylvania Roadster high pressure sodium vapor street lamp from Australia.

In 2008, the Plansee Group acquired the GTP division from Osram.

The Phoebus cartel was a cartel of, among others, Osram, Philips and General Electric from December 23, 1924 until 1939 that existed to control the manufacture and sale of light bulbs.

Osram, Philips, Tungsram, Associated Electrical Industries, ELIN, Compagnie des Lampes, International General Electric, and the GE Overseas Group were members of the Phoebus cartel.

As an example of application and efficiency of mercury lamps, the 61 " Samsung DLP rear projection TV ( HL-S6187W ) uses a 150-watt Osram P-VIP lamp.

*" Operating the pulsed laser diode SPL LLxx ", " Range finding using pulsed laser diodes " OSRAM Opto Semiconductors GmbH Application Notes, 2004-09-10.

It is also home to national foundations such as the Ordnance Factory Dehradun and Opto Electronics Factory of the Ordnance Factories Board and the Defence Electronics Application Laboratory and Instruments Research and Development Establishment of the Defence Research and Development Organisation which maufactures products for the Indian Armed Forces.

In 2006, Siemens announced the purchase of Bayer Diagnostics, which was incorporated into the Medical Solutions Diagnostics division on 1 January 2007, also in 2006 Siemens acquired Controlotron ( New York ) ( ultrasonic flow meters ) Also in 2006 Siemens acquired Diagnostic Products Corp., Kadon Electro Mechanical Services Ltd. ( now TurboCare Canada Ltd .), Kühnle, Kopp, & Kausch AG, Opto Control, and VistaScape Security Systems

as a task force comprising five industrial automation vendors ( Fisher-Rosemount, Rockwell Software, Opto 22, Intellution, and Intuitive Technology ), with the purpose of creating a basic OLE for Process Control specification.

The major areas of research are VLSI and Embedded Systems, Signal and Image processing, Opto Electronics, Biomedical Engineering etc.