SED is Coming by Dale Davidson
One of the bigger challenges facing display manufacturers is to develop a picture with the same warm characteristics as Cathode Ray Tube, but with far less weight and size. The disadvantage of CRT, however is the size, weight and power consumption. The focus has now shifted to flat panels. ... SED is similiar to CRT with the light emission theory, and the manufacturers claim the dynamic color can be expressed in sharp pictures and faster responses than LCD's or plasmas. ... Another layer, is coated with a flourescent substance that reflects light at different wavelength, than the incident...

The Variety of Roles Fulfilled by LED Lighting Devices by Groshan Fabiola
At present, LEDs are extensively used in many different branches of the industry, taking many different forms and fulfilling a wide range of roles. Miniature LED devices are incorporated in thousands of products, including computer components, VCR, DVD, Stereo, Audio and Video equipments, gaming... LED lighting devices have proved to be the best alternative to traditional light sources (particularly incandescent and fluorescent light devices) and have already replaced such illuminating devices in many segments of the industry.

Buying a Plasma or LCD TV FAQs by Philip Liu
This article focuses on frequently asked questions by buyers of plasma and LCD televisions. Q: Does the "plasma" in plasma televisions need to be recharged or replaced over time? A: No. The plasma gases are sealed in individual cells when they are manufactured. ... While there is radiation emission in the form of ultraviolet light, the amount is negligible and you are unlikely to be affected by it watching the television from normal distances. ... A: All electronic devices, including televisions, must comply with FDA guidelines (in the United States) and CSA guidelines (in Canada) on...

Laser Machine Welding by Peter Vermeeren
Laser machine welding is the joining of two pieces of material, usually metal, but often these days plastics, using a laser beam. A laser is a single phase, or coherent beam of light often seen in science fiction movies, but the development of the laser beam and its application in laser machine... Common light emits incoherent light, which goes in all directions over the spectrum. ... Laser light usually in monochromatic, meaning that it emits light of a single wavelength. ... The laser, which stands for light amphlication by stimulated emission of radiation, emits photons in a narrow beam.

Laser Printer Supplies by Seth Miller
Through the years, various types of computer printers have been developed. Among the most common types currently available in the market, the laser printer stands out as being the most utilized. Lasers are employed in this kind of technology since the coherent emission of light produced leads to... The wide selection of their products' supplies covers the major computer brands or labels. ... Laser printer supplies can be easily procured from any wholesale or retail stores that sell computers and computer accessories.

Introduction To Radiation Detectors by Christopher Miller
Since we cannot see, smell or taste radiation, we are dependent on instruments to indicate the presence of ionizing radiation. Radiation is energy traveling in the form of particles or waves in bundles of energy called photons. Some everyday examples are microwaves used to cook food, radio waves... The photocathode produces electrons when light strikes its surface. ... The light produced from the scintillation process is reflected through a clear window where it interacts with device called a photomultiplier tube.

Monitor Glossary of Terms by Willson Peterson
CRT - Cathode Ray Tube, big glass bulb used in the large bulky monitors similar to TVs. LCD - Liquid Crystal Display. TFT - Thin Film Transistor, a type of LCD technology where every pixel is connected to a transistor. Pixel - Abbreviation of picture element. ... Contrast Ratio - The degree of difference between light and dark extremes of colour on the screen. ... NIT - Candelas per square metre can also be called NIT: The term for brightness / luminous (surface) intensity of a light source. ... A candela is a unit of measurement of the intensity of light.

Facts About Solar Energy by Anne Clarke
You have likely been told many times different facts about solar energy. Of course, it is hard to know which facts about solar energy are actually “facts” and which are more like opinions. This article is going to relay to you some of the top facts about solar energy. ... · Solar energy can be used to heat water, dry clothes, heat swimming pools, power attic fans, power small appliances, produce light for both indoors and outdoors, and even to power cars, among other things. ... · Of course, realize that you can have a battery backup system with your solar energy system that will take care...

Help to Choose your Monitor by Andrew Gates
Making the right choice in a computer display or monitor is an important part of involving yourself in today's web-browsing and multi-media technology. Right now, you are viewing this in a computer monitor (unless you've had someone print it for you and you're reading it on paper because your... Each pixel in a LCD screen is produced by a tiny cell containing a layer of liquid crystals that bend light in response to electric energy. ... A resolution of 1024 x 768 has 1024 pixels in the horizontal plane, and 768 in the vertical.

Choosing a PCB Printing Solution by Chuck Raymond
The electronics Printed Circuit Board industry is evolving as new production technologies become available at low cost. Direct digital printing is making inroads into the traditional photolithography and screen printing processes that have been used to manufacture PCB for the last twenty years. ... When exposed to UV light the ink undergoes a chemical reaction becoming a solid plastic like substance. ... The system uses an ink that is less viscous at high temperature and almost solid at room temperature.