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general question on pixels

how to detect dead pixels?? what will be there color on different color backgrounds lyk white,blue etc etc...can anybody brief me??
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  1. nag shankar said:
    how to detect dead pixels?? what will be there color on different color backgrounds lyk white,blue etc etc...can anybody brief me??


    For me, dead pixels mostly appeared as darkish/greenish spots on a white background. If a pixel can not display the color it is supposed to display, it's pretty safe to say it's dead.

    What kind of display are you asking about though? LCD?
  2. Best answer
    You can pick a dead pixel out of a solid color background.
    Here is one such tester:
    http://jasonfarrell.com/misc/deadpixeltest.php
  3. How to detect them is simply to look at the screen! :p

    There are technically two different things here: a "dead" pixel is always black; a "stuck" pixel is always lit up the same color. Mostly I see the latter as opposed to the former. Good pixels change color and brightness in response to commands from the GPU. A stuck pixel can in principle be stuck on any particular color.
  4. its LED..
  5. LED is just an LCD with a different kind of backlight (LED instead of thin fluorescent tubes). The actual LCD panel works the same basic way for an "LCD" or "LED"
  6. that dot semms to be black in color on all backgruond!!!! even on black background!! it shud be white dot on black background if it is a dead pixel rite??
  7. that dot seems to be black in color on all backgruond!!!! even on black background!! it shud be white dot on black background if it is a dead pixel rite??
  8. As I indicated, a pixel can be stuck either "on" (a bright color) or "off" (black). What makes it dead is that it never changes color or brightness.
  9. nag shankar said:
    that dot semms to be black in color on all backgruond!!!! even on black background!!


    I laughed at this

    Realistically a dead pixel will generally be stuck at a certain color.
    It will not show up on some backgrounds if its RGB value matches the surrounding.
  10. anyways...wil it spread around??
  11. I am not sure what you mean by "spread around"
    If you mean get worse, then usually not but it can happen.
  12. i mean..wil it increase in future,now i'm havin only small 1's,wil it become bigger nd wil ther be stil more dots in future?
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