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THE crowd pressed forward on Tuesday night to watch the soldering contest as it entered its final stages. A dozen men, gripping hot irons, sweated over circuit boards at M1-5, a TriBeCa bar. Their goal: win a race to assemble a primitive remote control. The prize: a lump of clear resin embedded with flashing blue L.E.D.s. [ABSTRACT FROM PUBLISHER]

The article discusses the potential benefits to the environment gained by homeowners using L.E.D.s, or light transmitting diodes, instead of traditional incandescent light bulbs. L.E.D.s last longer and use significantly less energy than other light bulbs. However, the light bulbs are expensive. The lights are expected to become less expensive and more appealing as more research is done to refine the technology.

The article presents information on the improved headlamps for runners, hikers and mountain bikers. These headlamps are illuminated by light emitting diodes (LED). With the improvement in the LED technology, the options of choosing a headlamp has increased. According to Jon Rockefeller, the sport division manager at Petzl, a leading headlamp maker, users can now choose the width of the beam, shining, and light intensity of their headlamps.

The article provides an outlook for light-emitting diodes in high definition flat-panel televisions as of January 5, 2006.

Reports on the introduction of a light emitting diode array with heat-reduction technology by Lamina Ceramics Inc. in Westampton, New Jersey. Size of the light engine; Total number of lumens of light produced by the engine; Features of the product.

Discusses light-emitting diodes, or L.E.D.'s. Use of L.E.D.'s in traffic lights in New York City in 2000; Increasing popularity in restaurants, Broadway shows, and atriums; Rapid progression of technology; Appeal for interior designers; Description of L.E.D.'s as semiconductors that convert electricity into single wavelengths of light; Life span of 30 to 40 years; generation of 50 percent more light than standard incandescent light sources; Production of virtually no heat; Potential to install them behind glass.

Examines the technology known as electroluminescence (EL), which is designed to provide light in dark areas without emitting heat. Comparison of EL lighting and incandescent lighting, indicating a more efficient means of providing light; Impact of a plastics technology breakthrough at Bayer AG, giving EL a practical application; Discussion of a purse to be released by Germany-based Bree, using the technology to light up the inside of a purse with a plastic sheet; Where Americans can purchase the purses; Potential future applications for EL in the global lighting market; Efforts of chemical companies to adopt EL to develop new and more profitable applications for their products; Prevalence of light emitting diodes (LED), another form of modern lighting, in society; Estimated growth in the LED market, indicating a shift away from the traditional light bulb.

Discusses the use of light-emitting diodes (LEDs) for home lighting. Energy savings over incandescent lights; Philips Lighting's interest in researching LEDs as household lighting; Marcel Jean Vos, an interior and commercial designer in London who has transformed a one-bedroom apartment into a space lit entirely with LEDs; High cost of installation; Unfavorable aspects which include blue tinge; Other LED lighting products.

Features Flexible L.E.D. Accent Lighting System, a commercial light-emitting diode lighting system from GELcore. Comment of GELcore CEO Scott Hearn regarding the system; Suitability of the lighting system for inside display counters and department store cabinets.

Discusses how incandescent bulbs, neon tubes and fluorescent lamps are giving way to light-emitting microchips that work longer, use less power and allow designers to use light in ways they never have before. Examples of displays of these chips in New York City; Efforts of researchers to shrink the chips and improve their energy efficiency; Belief that the chips will move into the home and office lighting market as early as 2007; How light-emitting diodes, or LEDs, are replacing light bulbs; The vision of revolutionary new uses of light.