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UCSB Summit on Energy Efficiency, May 1-2, 2013  

About the White Room

The White Room provides current information relating to new technologies for energy efficiency. Stay connected with the latest news, events, and scientific breakthroughs in this fast moving sector. Use our filters on the left or click here to send a suggestion for content to add.

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Gallium Nitride [remove]

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Transphorm Hiring Heats Up
Transphorm is a Goleta-based energy efficiency company co-founded by Institute faculty member, Umesh Mishra. The firm makes electronic components that significantly reduce the amount of waste heat in most devices. Transphorm has passed the 100-employee mark and continues to grow.
Date: 06/11/2012
Type: Article
Technologies: Materials, Electronics
Tags: Gallium Nitride, Transphorm, Umesh Mishra
LEDs that Burn 10 Times Brighter
Startup Soraa thinks its new LED bulbs are efficient enough to replace regular bulbs.
Date: 02/16/2012
Type: News
Technologies: Lighting & Displays
Tags: Gallium Nitride, LED
Transphorm tackles the grid's energy leakage problem
Transphorm, the Santa Barbara startup founded by Institute faculty member Umesh Mishra, is working to boost the electric grid's efficiency using gallium nitride in the power conversion process.
Date: 01/30/2012
Type: News
Technologies: Materials, Energy Conversion, Smart Grid, Utilities
Tags: electricity, Gallium Nitride, smart grid
LED and Gallium Nitride Tech Hub in Santa Barbara, California
Greentech Media features the Santa Barbara area's leadership in energy efficiency technology, mentioning Institute faculty members Shuji Nakamura and Umesh Mishra: Nakamura for his LED research and Umesh Mishtra for his startup company Transphorm.
Date: 01/06/2012
Type: News
Technologies: Materials, Lighting & Displays, Smart Grid
Tags: Gallium Nitride, light emitting diode, startups, UCSB
Zinc Oxide Microwires Improve Performance of Light-Emitting Diodes (LEDs) Through the Piezo-Phototronic Effect
An advance in gallium nitride LEDs boosts the efficiency at which they produce ultraviolet light, with promising applications for chemical, biological, aerospace, military and medical technologies.
Date: 10/31/2011
Type: News
Technologies: Lighting & Displays, Photonics
Tags: Gallium Nitride, piezoelectrics, Zinc Oxide
Lighting Sheets Made of Tiny LEDs
Nth Degree Technologies is exploring the use of gallium nitride 'ink' to print flexible, paper-like LED lighting sheets.
Date: 10/28/2011
Type: News
Technologies: Lighting & Displays
Tags: flexible, Gallium Nitride, LED lighting
Power Assure Raises $13.5M to Keep the Data Center Energy Efficient
A plethora of start-ups have sprung up to manage data center energy usage, including UC Santa Barbara's recent start-up, Transphorm, founded by Institute faculty member Umesh Mishra.
Date: 09/26/2011
Type: News
Technologies: Data Centers
Tags: data center efficiency, Gallium Nitride, startups, Umesh Mishra
Interview with Transphorm CEO Umesh Mishra
VIDEO: Transphorm Moves Power Conversion Beyond Silicon
GigaOM's Katie Fehrenbacher interviews Institute faculty member Umesh Mishra about his startup company, Transphorm.
Date: 05/17/2011
Type: Blog, Video
Technologies: Computing and Networks
Tags: conversion loss, Gallium Nitride, power consumption, power converters, semiconductors, Transphorm, UCSB, waste heat
LED droop
Researchers Say They've Solved the Mystery of LED Lighting "Droop"
Institute faculty members' research featured on DOE energy blog.
Date: 05/16/2011
Type: Blog
Technologies: Lighting & Displays
Tags: DOE, Gallium Nitride, LED lighting, lighting efficiency, nitride, semiconductors
Auger coefficient figure
UCSB theory blames indirect Auger recombination for nitride LED droop
UC Santa Barbara theorists say that the nitride semiconductor LED lighting performance problem, commonly referred to as ‘efficiency droop,’ is caused by Auger recombination.
Date: 04/20/2011
Type: News
Technologies: Lighting & Displays
Tags: Gallium Nitride, LED lighting, lighting efficiency, nitride, semiconductors

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