Navigation Links
Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics
Date:4/7/2009

COLLEGE PARK, MD, April 7, 2009 -- Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents a tremendous opportunity for savings. Improving the efficiency of commercially available light bulbs -- even a little -- could translate into dramatically lower energy usage if implemented widely.

In the latest issue of Journal of Applied Physics, published by the American Institute of Physics (AIP), a group of scientists at the Chinese Academy of Sciences is reporting an important step towards that goal with their development of a new type of light emitting diode (LED) made from inexpensive, plastic like organic materials. Designed with a simplified "tandem" structure, it can produce twice as much light as a normal LED -- including the white light desired for home and office lighting.

"This work is important because it is the realization of rather high efficiency white emission by a tandem structure," says Dongge Ma (mdg1014@ciac.jl.cn), who led the research with his colleagues at the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences.

Found in everything from brake lights to computer displays, LEDs are more environmentally friendly and much more efficient than other types of light bulbs. Incandescent bulbs produce light by sending electricity through a thin metal filament that glows red hot. Only about five percent of the energy is turned into light, however. The rest is wasted as heat. Compact fluorescent bulbs, which send electricity through a gas inside a tube, tend to do much better. They typically turn 20 percent or more of the electricity pumped through them into light. But compact fluorescents also contain small amounts of mercury vapor, an environmental toxin.

LEDs on the other hand, are made from thin wafers of material flanked by electrode
'/>"/>

Contact: Jason Bardi
jbardi@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Cheap love costs the Earth
2. Caltech scientists develop barcode chip for cheap, fast blood tests
3. TGen investigators devise faster, cheaper way of analyzing the human genome
4. New cheaper method for mapping disease genes
5. Substantial improvement in essential cheap solar cell process
6. Pharmaceutical breakthrough may make a range of drugs cheaper and more available
7. Iowa State researchers look for smaller, cheaper, 1-dose vaccines
8. Cheaper drugs now closer to realization with new DropArray technology
9. The power of multiples: Connecting wind farms can make a more reliable - and cheaper - power source
10. Twinkle after-effect can help retinal patients detect vision loss quickly and cheaply
11. Nanotech could make solar energy as easy and cheap as growing grass
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Cheap and efficient white light LEDs new design described in AIP's Journal of Applied Physics
(Date:2/23/2015)... Conn. , Feb. 23, 2015 NXT-ID, ... or the "Company"), a biometric authentication company focused on ... has filed provisional patent 62114357 for DISTRIBUTED ... this patent, NXT-ID introduces a new groundbreaking payment method. ... the payment account may only be accessed if both ...
(Date:2/13/2015)... TAIPEI , Feb. 13, 2015 ... service company that aims to transform cancer genomic ... announced that the company has raised US$ 8 million ... Based in Taipei, Taiwan ... tests, ACTDrug™, ACTOnco™. With the aim to implement ...
(Date:2/11/2015)... , February 11, 2015 ... research report "Access Control Market by Product (Cards and ... Residential, Military and Defense, Government, Industrial, Healthcare, Education) and ... published by MarketsandMarkets, the Access Control Market ... 2020, growing at a CAGR of 10.6% ...
Breaking Biology News(10 mins):NXT-ID Patents Voice Directed Payments 2NXT-ID Patents Voice Directed Payments 3ACT Genomics Raises $8 Million in its First Private Funding Round 2Access Control Market Worth $10.4 Billion by 2020 2Access Control Market Worth $10.4 Billion by 2020 3Access Control Market Worth $10.4 Billion by 2020 4
... NEWS SERVICE, Weekly Press Package, November 14, 2007 ... Service Weekly press package (PressPac) with reports selected from ... With more than 160,000 members, ACS is ... journal, or the American Chemical Society, as the source ...
... nanoparticles that, when pulsed with an electromagnetic field, release ... Nov. 15 online issue of Advanced Materials, could lead ... In earlier work the team, led by Sangeeta ... of Health Sciences & Technology (HST) and in MIT,s ...
... 16, 2007) -- Honeybees somehow manage to efficiently collect a ... after all, the queen bee is too busy ... best nectar can be found on any given morning. According ... swarm intelligence of these amazingly organized bees can also be ...
Cached Biology News:American Chemical Society's Weekly PressPac -- Nov. 14, 2007 2American Chemical Society's Weekly PressPac -- Nov. 14, 2007 3American Chemical Society's Weekly PressPac -- Nov. 14, 2007 4American Chemical Society's Weekly PressPac -- Nov. 14, 2007 5American Chemical Society's Weekly PressPac -- Nov. 14, 2007 6American Chemical Society's Weekly PressPac -- Nov. 14, 2007 7American Chemical Society's Weekly PressPac -- Nov. 14, 2007 8American Chemical Society's Weekly PressPac -- Nov. 14, 2007 9American Chemical Society's Weekly PressPac -- Nov. 14, 2007 10MIT: Remote-control nanoparticles deliver drugs directly into tumors 2Bee strategy helps servers run more sweetly 2Bee strategy helps servers run more sweetly 3
(Date:2/27/2015)... , Feb. 27, 2015  Pfenex Inc. (NYSE ... development of biosimilar therapeutics, today announced that it will ... Marriott Marquis on March 2 nd at 3pm ... on a panel discussing the current state of the ... Biosimilars . For more information on ...
(Date:2/27/2015)... Cytokinetics, Incorporated (Nasdaq: CYTK) announced today ... patients and health care advocates in the United States ... Rare Disease Day is dedicated to elevating public ... special challenges faced by patients with rare diseases and ... to stand alongside patients and caregivers representing the rare ...
(Date:2/27/2015)... BOSTON , Feb. 27, 2015   PureTech ... identifying, inventing and commercializing disruptive products and technologies in ... Christopher Viehbacher , former CEO and Member of the ... Directors.  "It,s has been a pleasure ... very excited that we will be working together more ...
(Date:2/26/2015)... , Feb. 26, 2015 On behalf of ... affiliated companies, Wilentz, Goldman & Spitzer, P.A. ... lawsuit against Genewiz Inc. in excess of $10 million. ... GenScript,s trade secrets, and that it improperly hired one ... order denying motions for judgment notwithstanding the verdict, a ...
Breaking Biology Technology:Cytokinetics Joins Global Movement to Raise Awareness for Rare Diseases 2Cytokinetics Joins Global Movement to Raise Awareness for Rare Diseases 3Cytokinetics Joins Global Movement to Raise Awareness for Rare Diseases 4Cytokinetics Joins Global Movement to Raise Awareness for Rare Diseases 5Cytokinetics Joins Global Movement to Raise Awareness for Rare Diseases 6Christopher Viehbacher, former CEO of Sanofi, Joins PureTech's Board of Directors 2Christopher Viehbacher, former CEO of Sanofi, Joins PureTech's Board of Directors 3Christopher Viehbacher, former CEO of Sanofi, Joins PureTech's Board of Directors 4Wilentz Client GenScript Awarded $10 Million in Trade Secrets Case Against Genewiz 2Wilentz Client GenScript Awarded $10 Million in Trade Secrets Case Against Genewiz 3
... YORK, Sept. 17 iiBIG,s New Directions ... Profitable Deal Strategies,conference is scheduled for October ... Nevada. The sessions will cover developments in ... liposome,drug delivery, tumor targeting and other novel ...
... assistive technologies, BETHESDA, Md., Sept. 17 ... a subsidiary of,Hanger Orthopedic Group, earned the esteemed ... the WalkAide(R) System. In the spirit of the,15th ... da Vinci Awards,founded by the NMSS, honor outstanding ...
... Hernia repair is one of the most commonly performed surgical procedures ... ... Ga., Sept. 17 CryoLife, Inc. (NYSE:,CRY), a biomaterials, medical device ... agreement allowing Proxy,Biomedical Limited to include CryoLife,s BioGlue(R) Surgical Adhesive into,a ...
Cached Biology Technology:Drs. John Patton of Nektar, Igor Gonda of Aradigm, Tomas Landh of Novo Nordisk, Chris Rhodes of Amylin to Speak at iiBIG's Plenary Panel in Vegas 2Drs. John Patton of Nektar, Igor Gonda of Aradigm, Tomas Landh of Novo Nordisk, Chris Rhodes of Amylin to Speak at iiBIG's Plenary Panel in Vegas 3Innovative Neurotronics, a Subsidiary of Hanger Orthopedic Group, Earns the 2007 da Vinci Award for the WalkAide System 2Innovative Neurotronics, a Subsidiary of Hanger Orthopedic Group, Earns the 2007 da Vinci Award for the WalkAide System 3CryoLife Signs Distribution Agreement for Inclusion of BioGlue(R) Surgical Adhesive in Hernia Repair Kit with Proxy Biomedical Surgical Meshes 2CryoLife Signs Distribution Agreement for Inclusion of BioGlue(R) Surgical Adhesive in Hernia Repair Kit with Proxy Biomedical Surgical Meshes 3
...
Water Distilled (Gibco™) is membrane filtered and endotoxin screened....
The S. cerevisiae Hansen strains are the parental yeast strains from which the deletions were derived....
The Hybrid Hunter Yeast Two-Hybrid System uses the activation of reporter genes to indicate positive protein-protein interactions. Two reporters are used an auxotrophic marker and lacZ....
Biology Products: