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Panasonic Debuts EVERLEDS LED Light Bulbs; Industry's Most Energy-efficient LED Bulbs

Osaka, Sept 10, 2009 - (JCN Newswire) - Panasonic Corporation, a leader in electronics technology and innovation, today unveiled bulb-shaped LED (light-emitting diode) lamps, the latest addition to its EVERLEDS LED lighting products. The new line-up consisting of eight types of bulbs offers the industry's most energy-efficient(1), lightest(2) and smallest LED bulbs(3). They also include the industry's first compact type LED bulbs(4) and dimmable lamps. By offering a variety of energy-saving, long-lasting, environmentally-friendly LED lamps, Panasonic encourages consumers to replace traditional incandescent lamps to address climate-change issues.

The new line-up includes 4.0 W (LDA4L-A1 and LDA4D-A1), 6.9 W (LDA7L-A1 and LDA7D-A1) and 7.6 W (LDA8L-A1/D and LDA8D-A1/D) standard type (E26 base) LED bulbs and 5.5 W (LDA6L-E17-A1/D and LDA6D-E17-A1/D) compact type (E17 base) LED bulbs. Available in "Daylight" and warm "Lamp" colors, they will go on sale in Japan on October 21.

The new products use Panasonic's own heat dissipation technology to increase the bulb's energy-efficiency. Generally speaking, LED's luminous efficiency increases as temperature decreases. So it is important to lower and optimize the temperature of an LED package to achieve higher luminous efficiency. By applying alumite treatment to the surface, Panasonic successfully increased heat dissipation to lower the temperate of the LED package.

Combining this technology with the design which tightly joins the LED package and the casing, the company has achieved the industry's highest energy efficiency in LED bulbs(1).

Also, when used as a downlight, the 6.9 W standard type LED bulbs deliver the brightness equivalent to 60 W incandescent bulbs5). That means it can save up to 2,000 yen per year on energy bills. The 4.0 W standard and 5.5 W compact LED bulbs produce the output comparable to 40 W incandescents and the 7.6 W standard LED bulbs have the brightness of 60 W incandescents when used as a downlight(6).

Panasonic also made the new LED bulbs the lightest2) in the industry by making the casing thinner and reducing the amount of aluminum used in the product. The standard size E26 base bulb weighs only 100 g and the compact size E17 base bulb weighs 50 g.

Further, Panasonic employed its own thermal analysis technology to optimize the heat dissipating configuration (heat sink) to create the most compact E26 base LED bulbs in terms of length and outer diameter. The new LED lamps, including the industry's first E17 base LED bulbs, will easily fit into existing fixtures with which other replacement bulbs did not physically match.

The E26 base LED bulbs have a long lifespan of up to 40,000 hours. That means they last for about 19 years when used for 5.5 hours a day. The E17 base LED bulbs have about 20,000 hour life span. The new LED bulbs also feature a durable glass globe using glass manufacturing technology Panasonic accumulated over the years. They emit virtually no UV or IR radiation. The 7.6 W standard type and the 5.5 W compact type LED bulbs are dimmable from 10 percent to 100 percent.

Notes:
(1) The standard type LDA7D-A1 LED bulb, which produces the brightness equivalent to a 40 W incandescent lamp when used without fixtures, has luminous efficiency of 82.6 lm/W and standard type LDA4D-A1 LED bulb, which produces the brightness equivalent to a 30 W incandescent lamp when used without fixtures, has luminous efficiency of 85.0 lm/w, as of September 10, 2009.
(2) As a standard type LED bulb, as of September 10, 2009.
(3) In terms of length and outer diameter.
(4) As a compact type LED bulb (E17 base) which produces the brightness equivalent to a 25 W mini-krypton when used without fixtures.
(5) Direct lighting when used with the LB72630Z fixture by Panasonic Electric Works (PEW).
(6) Direct lighting when used with PEW's LB72106 (4.0 W LED bulb), LB72630Z (7.6 W LED bulb) and LB74059 (5.5 W LED bulb) fixtures.

About Panasonic



Panasonic Corporation is a worldwide leader in the development and manufacture of electronic products for a wide range of consumer, business, and industrial needs. Based in Osaka, Japan, the company recorded consolidated net sales of 7.77 trillion yen (US$78.4 billion) for the year ended March 31, 2009. The company's shares are listed on the Tokyo, Osaka, Nagoya and New York (NYSE: PC) stock exchanges. For more information on the company and the Panasonic brand, visit the company's website at http://panasonic.net/.

Source: Panasonic

Contact:
Panasonic Corporation
Akira Kadota, 
International PR
Tel: +81-3-6403-3040 
Fax: +81-3-3436-6766

Panasonic News Bureau
Tel: +81-3-3542-6205 
Fax: +81-3-3542-9018


Copyright 2009 JCN Newswire. All rights reserved. www.japancorp.net

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