Resources Archive

IP, Reports & Roadmaps | Jul 28, 2010
DOE Releases GATEWAY Report on LED Parking Lot Lighting Demonstration
DOE Releases GATEWAY Report on LED Parking Lot Lighting Demonstration The U.S. Department of Energy (DOE) has published the report from a demonstration of bi-level LED parking lot lighting at a Raley's Supermarket in West Sacramento, California. This GATEWAY demonstration report, prepared by Pacific Gas & Electric and Energy Solutions, provides an overview of project results including lighting performance, economic performance, and potential energy savings. Read more »
IP, Reports & Roadmaps | Jul 28, 2010
DOE Releases Updated SSL R&D Multi-Year Plan
The U.S. Department of Energy (DOE) has released the March 2009 edition of the Multi-Year Program Plan FY'09-FY'15; Solid-State Lighting Research and Development. The report provides a description of the activities the Department plans to undertake in the period of FY'09 through FY'15 to implement its SSL mission. Read more »
IP, Reports & Roadmaps | Jul 28, 2010
DOE Releases SSL Manufacturing R&D Roadmap
The U.S. Department of Energy (DOE) has published a Solid-State Lighting Manufacturing R&D Roadmap, the end product of two stakeholder workshops sponsored by DOE in 2009. The Roadmap represents industry consensus on the expected evolution of SSL manufacturing, best practices, and opportunities for improvement and collaboration. Read more »
White Paper | Technology | Jul 28, 2010
Cree Study Shows LED Lighting is Best Bet for Energy Efficiency
Cree Study Shows LED Lighting is Best Bet for Energy Efficiency A new report on the life-cycle energy usage of energy-efficient lighting by Cree, Inc. shows that LED lighting products are now more efficient than traditional lighting products when compared across the high-volume applications of recessed downlighting and display spotlighting. Evaluating light fixtures and applications, the white paper’s energy comparisons demonstrate that LEDs offer clear advantages in terms of energy costs and environmental impact over traditional lighting such as incandescent, halogen and compact fluorescent bulbs. Read more »
IP, Reports & Roadmaps | Jul 28, 2010
New DOE Report Estimates Energy Savings Potential of SSL
The U.S. Department of Energy (DOE) has released analysis findings of the energy savings potential of solid-state lighting (SSL) sources for general illumination applications compared to conventional light sources (e.g., incandescent and fluorescent). Using an econometric model of the U.S. lighting market, the February 2010 report estimates national energy savings if SSL technology achieves certain forecasted price and performance objectives. Read more »
IP, Reports & Roadmaps | Jul 28, 2010
DOE Releases SSL Manufacturing R&D Roadmap
The U.S. Department of Energy has published the 2010 edition of the Solid-State Lighting (SSL) Manufacturing R&D Roadmap. Complementing the SSL R&D Multi-Year Program Plan (MYPP) that guides the Core and Product Development R&D programs, the Roadmap's primary goal is to guide the manufacturing R&D program and help direct funding solicitations for it. Manufacturing R&D is a part of DOE's SSL manufacturing initiative launched in 2009. The Roadmap also provides guidance for equipment and material suppliers, based on industry consensus on the expected evolution of SSL manufacturing – thereby reducing risk, improving quality, increasing yields, and lowering costs. Read more »
IP, Reports & Roadmaps | Dec 31, 1969
Flip-chip light emitting diode with high light-emitting efficiency
Flip-chip light emitting diode with high light-emitting efficiency A flip-chip light emitting diode with high light-emitting efficiency is disclosed. The LED includes a transparent conductive layer, an oxide layer, a reflective metal layer, a conductive layer, and a protective diffusion layer sequentially disposed over a p-type semiconductor layer. Thereby, light emitting from a light-emitting layer toward the p-type semiconductor layer is reflected and penetrating a transparent substrate and emitting outwards. Thus the problem of light shielded from the flip-chip type LED is solved and the light-emitting efficiency is improved. Furthermore, the present invention disposes the LED chip in a face-down orientation on a conductive substrate by flip-chip technology so as to enhance heat-dissipation efficiency of the LED. Read more »
White Paper | Standardization + Regulation | Dec 31, 1969
Solid State Lighting for Incandescent Replacement—Best Practices for Dimming
This paper focuses on integrated LED lamps intended for replacement of general service incandescent lamps. Future white papers are planned to address other LED dimming topics, such as: color change; light output and efficiency (dimming curve); dimming protocols (Internet protocols, 0-10); LED modules with auxiliary drivers; and control architectures that dim without modulated power. Read more »
page_peel