The US Department of Energy (DOE) Monday announced four research programs to be funded under a $6.4 million program to fund solid-state lighting research. Three national laboraties and an Army lab will receive funds under the program for LED and organic LED research.
DOE said these selections under its Solid-State Lighting Core Technology Research program focus on improving the efficiency and quality of solid-state white light sources. The following four research programs will be awarded the fund:
The National Renewable Energy Laboratory (Golden, Colo.) will receive $1.8 million to demonstrate the viability of high bandgap gallium indium phosphide alloys for use in making green LEDs. Sandia National Laboriatories (Albuquerque, NM) will conduct research aimed at improving the efficiency of US Army Research Laboratory (Adelphi, Md.) will seek to exploit the negative polarization charge to improve the efficiency of green LEDs. The Army lab also received $1.8 million in funding funding. Pacific Northwest National Laboratory ( Richland, Wash.) will receive $1 million to develop new, stable materials for high-efficiency blue organic LEDs. DOE said the research projects aim to plug gaps in current LED and organic LED technologies.
The Shielded Cable is a cable that is resistant to external electromagnetic interference formed by a transmission cable plus a shield.
Most of the shielding layers of such cables are woven into a mesh metal wire or a metal film, and there are many different ways of single shielding and multiple shielding. Single shielding refers to a single shielding mesh or shielding film in which one or more wires can be wrapped. The multi-shielding method is a plurality of shielding nets, and the shielding films are all in one cable. Some are used to isolate electromagnetic interference between wires, and some are double-layer shields used to enhance the shielding effect. The mechanism of the shielding is to ground the shield to isolate the externally induced inductive voltage of the conductor.
Shielded Cable
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