Saturday, December 20, 2014
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
T-Mobile to Pay $90 Million To Settle Case With FCC
New Trojan Targetted Banks Wordlwide
FBI Confirms North Korea Was Behind Sony Hack
Apple Responds To BBC's Allegations Over Working Conditions In Chinese Factory
BlackBerry Returns To Cash Flow
Comparison: Quantum Dot Vs. OLED Displays
Toshiba and SK Hynix Reach Settlement in Lawsuit Ahead Of CES
Google Concerned About MPAA's Actions To Revive SOPA
Active Discussions
Digital Audio Extraction and Plextools
Will there be any trade in scheme for the coming PSP Go?
Hello, Glad to be Aboard!!!
Best optical drive for ripping CD's? My LG 4163B is mediocre.
Hi All!
cdrw trouble
CDR for car Sat Nav
DVD/DL for Optiarc 7191S at 8X
 Home > News > Consumer Electronics > Panason...
Last 7 Days News : SU MO TU WE TH FR SA All News

Friday, May 24, 2013
Panasonic Develops High Efficiency White OLED for Lighting


Panasonic has developed a white Organic Light Emitting Diode (OLED) with "the world's highest luminous efficiency of 114 lm/W (light-emitting area of 1 cm)," according to the company.

In addition, a luminous efficiency of 110 lm/W has also been achieved with a device with a larger emitting area of 25 cm. In order to achieve such a level of high efficiency with the OLED, the company focused on "light extraction technology" and the "all phosphorescent white OLED technology" (technology for the multilayering of the organic emitting layer).

OLEDs are capable of emitting any color including white when a voltage is applied by combining organic materials that emit various colors such as red, green, and blue. The soft surface luminescence makes OLEDs suitable for lighting a wide area, and along with the benefits of being not overly bright when viewed directly and a thin and lightweight structure, they are receiving attention as the next generation light source. Lighting devices equipped with the high efficiency OLEDs are considered to achieve a luminous efficiency comparable to or higher than that of fluorescent lamps (approx. 60-80 lm/W) or LED lighting fixtures (approx. 80 lm/W) currently available in the market.

Typically, the organic light emitting layers have higher refractive indices than those of a glass used for substrate and air, and only about 20% of the total generated light can be extracted because of the total internal reflection at interfaces. Although a variety of technologies have been developed, including a light extraction film attached onto the substrate and a light-scattering structure placed between organic layers and the substrate, the light extraction efficiency stayed below 40%.

Panasonic says that its new OLED has a light extraction efficiency of about 50%, while it also has a lifetime of over 100,000 hours.



These features have been achieved with the following technologies:

- Built-up Light Extraction Substrate (BLES) technology by the optimized arrangement of the film, glass and air for the suppression of light confinement in the OLED.
- Optimal design of stacked organic emitting layers with high-efficiency phosphorescent materials.

The development was conducted in the "Fundamental Technology Development of Next Generation Lighting of High-efficiency and High-quality" project since March 2010 under a contract with the New Energy and Industrial Technology Development Organization, with Idemitsu Kosan Co., Ltd, TAZMO CO., LTD., Choshu Industry Co., Ltd., Yamagata University, and Aoyama Gakuin University. The high-efficiency phosphorescent materials were provided by the Universal Display Corporation of the United States.


Previous
Next
Google To Bid For Waze: report        All News        Samsung and Corning May Be Seeking New Partnership: report
Panasonic, Toshiba Showcase High-resolution Flexible OLED Displays     Consumer Electronics News      Sharp To Launch New UD1 4K TV Series in Japan

Get RSS feed Easy Print E-Mail this Message

Related News
Panasonic Expands Toughbook H2 Battery Recall in The United States
Panasonic Raises Profit Outlook
Panasonic AX800 4K ULTRA HD TVs Update Adds Compatibility With Netflix 4K Streaming
Panasonic Introduces Rugged 7-inch Android Tablet
Panasonic to Start Licensing Unified IP Core for HD-PLC
Panasonic to Offload Sanyo's North America TV Business
Panasonic Develops 85-inch 4k Touch Screen, Showcases New HEVC LSI
Panasonic Commercializes Pin-Shaped Lithium Ion Battery For Wearables
Panasonic To Close DVD-player Factory In Slovakia
Panasonic and Leica Expand Partnership Agreement
Panasonic Reveals The Lumix DMC-LX100, Lumix DMC-GM5 Cameras And the DMC-CM1 Smartphone
Panasonic Showcases Optimized Workflow at IBC 2014

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2014 - All rights reserved -
Privacy policy - Contact Us .