Content from CNET tagged with

light-emitting diode

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News Stories

Showing 1-20 of 29 results found

Cheaper LEDs to light a green path?

January 19, 2007 Using plastic could help light-emitting diodes sell for less and compete with power-hungry traditional bulbs, company says. TAGS: light-emitting diode, polymer, diode, efficiency, semiconductor, president

An LED ticker in your credit card?

May 16, 2007 Light-emitting diode strips resembling correction tape to soon be embedded in shopping plastic, phones and mirrors, AgiLight hopes.Photo: Paper-thin LEDs TAGS: light-emitting diode, credit card, strip, copper, diode, cell phone, photograph

City tries to cut energy bills with LEDs

February 12, 2007 Raleigh, N.C., is conducting a trial to see if LEDs live up to their reputation of a cheaper, more efficient light source. Photos: LEDs light the way in Raleigh TAGS: light-emitting diode, Cree, Raleigh, diode, North Carolina, electricity, city, U.S.

Expert: LEDs could start replacing lightbulbs soon

November 3, 2006 Scientist says tech, pricing improvements to make light-emitting diodes more economical, ecological than conventional bulbs.Photos: Lumileds' LED tech TAGS: lightbulb, light-emitting diode, diode, U.S., pricing

A movie projector in a cell phone?

November 15, 2005 A start-up is developing an ultra-compact projector it hopes will someday be sold as an accessory for a wide range of mobile devices. TAGS: projector, light-emitting diode, Finland, cell phone, size, movie, idea, video

Experts envision taillights that talk

October 5, 2004 Forget Bluetooth. A group of Japanese companies believes it has found a better answer for short-range networking. Photo gallery: Gadgets galore at Japan show TAGS: light-emitting diode, megabit, fiber, professor, consortium, Sony Corp., idea

Father of the compact fluorescent bulb looks back

August 16, 2007 In 1976, Good Times ruled TV, Gerald Ford was trying to "whip inflation now," and in Ohio, a new kind of light bulb was being invented. The man behind the CFL looks back. TAGS: General Electric Co., Ohio, energy, light-emitting diode, design, electronics

Apple letter divulges product tidbits

May 3, 2007 To satisfy environmental critics, Steve Jobs does something he doesn't do often--share product details. TAGS: Steve Jobs, recycling, substance, Apple Computer, light-emitting diode, letter, U.S., Apple Macintosh

Reinventing the color TV

November 30, 2006 New standard is designed to expand range of colors on LCD and rear-projection screens, improving viewing experience. TAGS: Mitsubishi Corp., surface-conduction electron emitter display, standard, digital television, light-emitting diode, TV, color, LCD TV, LCD

Using steam to cool computers

March 20, 2007 Celsia Technolgies has come up with a line of components it says cools torrid hotspots better than conventional heat pipes or fans.Photos: Cool your gadgets with steam TAGS: diode, copper, component, heat, light-emitting diode, water, HotSpot, hard drive

Future TVs may wed carbon nanotubes, LCDs

November 7, 2006 LCDs are popular, and carbon nanotubes may turn out to be inexpensive. Will the two cutting-edge technologies hook up? TAGS: nanotube, surface-conduction electron emitter display, LCD, LCD TV, light-emitting diode, TV, semiconductor, Samsung Electronics, plasma TV, CRT, researcher, property

Will the feds phase out traditional lightbulbs?

May 8, 2007 Incandescent bulbs have been around for more than 100 years. Senate Energy Committee is working on a bill that might burn them out. TAGS: lightbulb, diode, light-emitting diode, organic light-emitting diode, energy, California, bill, U.S., idea

Sharp expanding beyond silicon in solar

October 17, 2006 Company experiments with new materials and techniques--and even partners with a bank--to push solar energy forward. TAGS: silicon, Sharp Corp., cell, sunlight, solar energy, layer, lens, material, sun, light-emitting diode, Japan, LCD, U.S.

Gotham's Christmas tree gets greener

November 21, 2007 Deck the halls with LEDs: Rockefeller Center Christmas tree will use energy-saving bulbs powered by new solar panels. TAGS: light-emitting diode

Printers get a glimpse of OLED tech

March 14, 2006 The light source has been appearing primarily in displays. Now Epson sees it outshining the quality of laser printers. TAGS: organic light-emitting diode, color printer, Epson, printer, laser, laser printer, light-emitting diode, LCD, printing, Sony Corp., TV

Sony eyeing OLED TVs for 2008

January 9, 2007 Flat panels based on organic light-emitting diodes may be just around the corner, execs say. Photos: Sony's LED prototypes TAGS: organic light-emitting diode, surface-conduction electron emitter display, diode, Glasgow, flat panel, Sony Corp., Consumer Electronics Show, light-emitting diode, TV, Toshiba, LCD, photograph

Tripping the lights organic

September 5, 2006 Companies are developing ways to use organic light-emitting diodes as a source for lighting up rooms. Photos: Lights going organic TAGS: organic light-emitting diode, diode, electricity, light-emitting diode, researcher, car, idea

The dangerous business of video games

November 28, 2006 Playtime isn't always fun. As researchers note the effect of violent games on the brain, some console buyers risk life and limb. TAGS: Star Trek, Nintendo Wii, blog, console, researcher, video game, light-emitting diode, games, video

FAQ: 21st-century guide to indoor lighting

May 28, 2007 How many inventions does it take to change a lightbulb for good? We consider the pros and cons of old and new tech. TAGS: lightbulb, General Electric Co., light-emitting diode, pro, U.S.

Will green mean go for mobile projectors?

May 25, 2007 Green laser diodes will make it possible to project movies from handheld devices--once the technology is more fully developed.Photo: Green laser diode TAGS: diode, Corning Inc., projector, laser, Microvision, portable video, light-emitting diode, handheld device, cell phone, DLP, handheld, battery, movie, video
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