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Mini WOW Cloth
Mini WOW Screen Wipe - Great for the Sony PSP

20 x 10cm Ultra Soft Microfibre Wipe.

Ideal Size for Sony PSP, Mobile Phones, PDAs Spectacles or CD-DVD Disks
£2.49Free Worldwide P+P 
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STD WOW Cloth
Standard WOW Screen Wipe - Great for Laptops

20 x 20cm Ultra Soft Microfibre Wipe.

Ideal Size for Laptop Screens, PC Monitors and Smaller LCD TVs.
£3.49 Free Worldwide P+P 
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Maxi WOW Cloth
Maxi WOW Screen Wipe - Great for LCD & Plasma TVs

40 x 24cm Ultra Soft Microfibre Wipe.

Ideal Size for Large Screen, LCD TVs, Plasma Display Panels or DLP Sets. 
£4.49Free Worldwide P+P 
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How LCD Screens Work.

How LCD Screens Work.

This explanation requires a few sub explanations so please bare with me. I promise it will all make sense in the end.

What Is A Liquid Crystal and What Can It Do
A liquid crystal is a substance with unusual properties. That is it behaves differently to most substances and this is quite useful. If you supply an electrical current to one of these liquid crystals then it temporarily changes its 'state' and can be controlled to either allow light through it or not.

Liquid Crystals and Colour
Now imagine a light and then a liquid crystal and then a colour filter. If the light is on and you can control if the liquid crystal allows it through then you can control the switching on and off of a coloured light.

Sub Pixels
Now if you can accept that mixing combinations of Red, Green and Blue lights at different intensities can make any colour (or one of about 16 million) then we are getting somewhere towards understanding how LCD TVs work. Each individual Red, Green or Blue light is switched on and off at varying intensities by varying the electrical current passed to it. Each of these lights is called a Sub Pixel.

Pixels
A pixel is made of 3 sub pixels (phosphors), It is the dot you can actually see if you put your face really close to the screen. Combinations of dots (pixels) make a picture, Refreshed (redrawn) quickly (50 times a second) makes the moving picture that we see.

Summary So Far:-
Fine so all this is great but how does an LCD TV know where and how to light these millions of sub pixels at millions of different combinations and intensities to light about a million(depending on the specific TV) pixels, that form a picture, so damn quickly?!

The Electrrode Grid
This is a lattice of circuits (One for each sub pixel) that can be accessed individually one after the other with a current of varying voltage. The circuits connect to electrodes which set the liquid crystal to light (or not) each individual sub pixel at (depending on the voltage) the required intensity. They of course then light the pixel at the precise colour required. This happens between 50 & 60 times per second per sub pixel (WOW!). Creating the moving image.

The Processor and LCDs are not TV's At All?
What controls this is a computer processor. Not unlike, but never the less different from a PC processor. It is the inclusion of a processor and a relatively flat lattice of electrical circuits which alleviates the need for an electron gun which is what produces the picture in a conventional TV. The absence of an electron gun and its large space requirements is why LCDs are so thin it also technically speaking means that LCD TVs are not really TVs at all but more like monitors.


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All About LCD, Plasma & Other Screens.

All-About-Plasma-LCD-Screens

  1. Plasma and LCD TV All You Need To Know
  2. Setting Up Your New Plasma/LCD TV
  3. Get A Surge Protector for your Plasma TV.
  4. Follow The Instructions
  5. Where To Put Your Plasma or LCD TV
  6. Heat Sources and Plasma or LCD TVs
  7. Light Sources and Plasma or LCD TVs
  8. How To Tune It In
  9. Terrestrial Analogue, Terrestrial Digital versus Satellite/Cable
  10. Analogue and Digital with regard to Plasma & LCD TV's
  11. Summary - Setting Up Your LCD or Plasma TV
  12. Plasma and LCD TV Screen Burn Protection
  13. Initial Factory TV settings and Screen Burn
  14. How To Check For Screen Burn
  15. Channel logos and Screen Burn
  16. BBC News 24 and Screen Burn
  17. Computer games and Plasma/LCD Screen Burn
  18. PCs and Plasma/LCD Screen Burn
  19. Built in Screen Burn Prevention Features
  20. Pixel Shift for Screen Burn Protection
  21. Plasma and LCD 'Signal Pattern' and 'All White' Features
  22. The 'Snow' distortion trick for Plasma and LCD TV's with Screen Burn
  23. The PC Screen Burn Fix trick for Plasma and LCD TV's
  24. Make Your LCD or Plasma TV Last a Decade
  25. Screen Burn Prevention
  26. Get The Extended Warranty for Your Plasma or LCD TV
  27. Clean Your Plasma, LCD TV
  28. Caring For Your Family
  29. Radiation & Eye strain from Plasma and LCD TV's
  30. Photosensitive seizures & TVs
  31. Plasma TV operating temperature
  32. How A Plasma TV Works
  33. How LCD Screens Works
  34. WOW Screen Wipes for LCD and Plasma TVs
  35. WOW Screen wipes suitable, safe and Stunning on:-
  36. WOW Cloth Instructions
  37. A Sample of Genuine WOW wipe Customer Feedback
  38. A Word From WOW Wipe
  39. Plasma - LCD TV Buyers Guide
  40. All The Plasma/LCD TV Features Explained
  41. What I Think Is Really Important When You Buy A Plasma TV
  42. How To Get A TV With The Best Picture
  43. How To Choose A TV With Great Sound
  44. Is The TV going to do the things YOU want
  45. What will it look like in your home
  46. How much Does It Cost?
  47. Now look at the technical specifications
  48. Where To Buy Your Plasma or LCD TV
  49. What If My Plasma TV Goes Wrong & The Dreaded Extended Warranty
  50. Glossary of Technical LCD and Plasma Screen Terms
  51. Cleaning LCD, Plasma TVs, Laptops and Other Screens
  52. What Is Best – Plasma or LCD?
  53. Will Plasma and LCD TVs Become Outdated?

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