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Author Topic: Subpixeli blocati  (Read 321 times)
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Chipicao Offline
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« on: 29 November 2008, 13:56 »

Ce inseamna subpixel blocat? Din cate stiu, e un subpixel care sta mereu aprins...
Asta am crezut ca am eu la monitor, vreo 50 subpixeli rosii mai precis. Initial i-am observat pe un fundal negru, si de curiozitate am zis sa testez si cu alte culori. Stupoare, pe verde si albastru (cand subpixelii rosii ar trebui sa fie inchisi) e totul OK.

  • Negru


  • Verde


  • Albastru


Care e faza? Cumva e vorba de alt defect al panoului, si nu subpixeli blocati?

P.S. rosu si alb, just for fun

« Last Edit: 29 November 2008, 14:20 by Chipicao » Logged

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IceCub Online
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« Reply #1 on: 29 November 2008, 15:38 »

La tine se pare ca e vorba de "stuck pixel".

Quote from: Wikipedia
Stuck pixel
A stuck pixel will usually be most visible against a black background, where it will appear red, green, blue, cyan, magenta, or yellow, although stuck red, green, or blue pixels are most common. Each pixel on an LCD monitor is composed of three subpixels (one red, one green, and one blue) which produce the visible color of the pixel by their relative brightness. A stuck pixel results from a manufacturing defect, which leaves one or more of these sub-pixels permanently turned on or off.

Stuck pixels are not guaranteed to be correctable, and can remain faulty for the life of the monitor, however might be fixed by flashing numerous colors with a very rapid intensity.

Defective pixels in LCD screens can sometimes be improved by mechanically manipulating the area around a defective pixel by pressing or tapping. This can help to evenly distribute the oil inside the screen, but it can also damage it.

How to Fix a Stuck Pixel on an LCD Monitor (+VIDEO)
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tcalexander Offline
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« Reply #2 on: 29 November 2008, 15:40 »

Da' ăia nu-s pixeli, sunt nişte ceva între pixeli. :blink:
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alecs1 Offline
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« Reply #3 on: 29 November 2008, 16:10 »

tcalexander are dreptate, chestiile alea parcă sunt bucăţele din subpixelii roşii. Prima dată am crezut că-i vreo lumină din fundal care se reflectă.
Cred că ei sunt prezenţi şi în celelate cazuri, dar sunt ascunşi de luminozitatea prea mare dimprejur (observi că-n prima poză subpixelii neaprinşi se disting clar, în celelalte cazuri se disting doar pixelii aprinşi, asta bănuiesc că înseamnă că aparatul şi-a ajustat sensibilitatea la lumină).
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Chipicao Offline
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« Reply #4 on: 29 November 2008, 18:09 »

Corect, acum am observat testand cu mai multe culori de intensitati diferite. Habar n-am ce sunt, cert este ca marti monitorul zboara la garantie.
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