Skip to main content

the chip with high efficiency resulting in high luminous intensity

The three independently controllable LED chips in blue, red and green in the MultiLED are available in different brightness groups thanks to finely defined grouping (known as binning). They can be individually combined to produce a large color spectrum. All three chip colors are the product led high bay of state-of-the-art technology: Blue and green in UX:3 technology, red in the latest thin-film technology. The light is therefore extracted from the chip with high efficiency resulting in high luminous intensity. In the upper blue wavelength range, for example, a figure of up to 560 millicandelas is achieved at an operating current of 20 mA. Luminous intensity in candela (cd) corresponds to luminous flux in lumen (lm) emitted by a light source in a particular solid angle. The typical thermal resistance between the chip and the solder point is 127 K/W for blue and green, and 96 K/W for red.

Osram Opto Semiconductors launches the Duris S 8, a new, multi-chip, high-power member of the Duris “S” LED series. The close grouping of the LED permits very good color consistency in combination with a high luminous flux. The new Duris S is primarily used in directional and omnidirectional retrofits, as well as in LED spots in indoor lighting. It is particularly suitable for directional lighting in office and business premises, as well as in the home.

The very good color consistency (color binning) in the directional retrofits is achieved through the close grouping of the led high bay light, which corresponds to the coverage of a 5-step MacAdam ellipse. 3-step MacAdam grouping is additionally available for applications requiring very good color homogeneity. The Duris S 8 is grouped by color coordinates at the junction temperature of 100 °C instead of at room temperature, as is customary. “In terms of color rendering, the Duris S 8 has a CRI of more than 80. An even higher CRI will be the next step,” says Janick Ihringer, the responsible Product Manager SSL at Osram Opto Semiconductors.
Labels:

Comments

Post a Comment

Popular posts from this blog

The factory will replace a much smaller lighting factory

Felder has a comprehensive knowledge of the field of optosemiconductors and decades of management experience with prominent players in the electronics industry.Since 2003, he has filled various management roles in the areas of OLED and LED technology with Osram, where as senior vice president of sales he was lastly responsible for Osram’s worldwide general lighting sales activities. Zumtobel Group CEO Harald Sommerer thinks highly of Felder, “We are delighted that, in Alfred Felder, we have been able to recruit a highly experienced technology expert and far-sighted manager to head up our Components business. With his extensive knowledge of LED and OLED technology, his familiarity with the industry and his leadership skills, he will be able to play a major part in ensuring that Tridonic is fit for the future in this dynamic phase of the technology shift.” The factory will replace a much smaller lighting factory and will include a production shop and an admininstrative block, as well as ...
Post a Comment
Read more

Innovation in Lighting Symposia and the Lightning Award Presentation

Our show is an example of how co-operating with an international partner, together with a sizeable show investment year after year, benefits the lighting industry," Dr. Pan continued. “We are totally committed to supporting the growth of China's lighting industry. We provide a sales and marketing platform for exhibitors and a forum for industry knowledge exchange. During this year's show we will organise more than 30 seminars, conferences and matchmaking opportunities that suit all levels of lighting professionals. These include special information days featuring China, Taiwan and Japan, the Lighting Design Gallery, Guangzhou international Lighting Technology Symposium, Innovation in Lighting Symposia and the Lightning Award Presentation." Guangzhou Guangya Messe Frankfurt is totally committed to the exchange of industry knowledge to support the growth of China's lighting industry. For example, the close connection with the popular “Alighting” website, magazine...
Post a Comment
Read more

Despite Nichia planned to enter into LED markets in China

This emerging potential for green LED applications follows on the heels of an announcement of applications for blue LEDs on April 25, 2012. NGK is now poised to apply its technology to the inverters used in hybrid and electric vehicles, power amplifiers for base stations of wireless communication, and other power devices. To this end, NGK will take steps to further reduce defect density for its GaN wafers, and to produce larger wafers that are greater than 6 inches in diameter. Despite Nichia planned to enter into LED markets in China and enlarge its market share there, it has been foiled by simmering anti-Japan sentiment in China due mainly to the Diaoyutai island issue, so is considering to cooperate with Taiwanese enterprises for further development. And two Taiwanese companies, including Hon Hai Group and Epistar, will be part of the joint venture. According to senior Nichia executives and based on positive outlook towards widespread use of LED lighting, the firm focused on the amp...
Post a Comment
Read more