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Инструкция по эксплуатации Страница: 20

Philips 202EL2SB Инструкция по эксплуатации онлайн [20/50] 42478

Philips 202E2SB Инструкция по эксплуатации онлайн [20/50] 42498

3.4 Philips' Flat Panel Monitors Pixel

Defect Policy

Philips strives to deliver the highest quality

products. We use some of the industry's most

advanced manufacturing processes and practice

stringent quality control. However, pixel or sub

pixeldefectsontheTFTLCDpanelsusedinflat

panel monitors are sometimes unavoidable. No

manufacturer can guarantee that all panels will

be free from pixel defects, but Philips guarantees

that any monitor with an unacceptable number

of defects will be repaired or replaced under

warranty. This notice explains the different types

of pixel defects and defines acceptable defect

levels for each type. In order to qualify for repair

or replacement under warranty, the number of

pixeldefectsonaTFTLCDpanelmustexceed

theseacceptablelevels.Forexample,nomore

than0.0004%ofthesubpixelsona20"XGA

monitormaybedefective.Furthermore,Philips

sets even higher quality standards for certain

types or combinations of pixel defects that are

more noticeable than others. This policy is valid

worldwide.

Pixels and Sub pixels

Apixel,orpictureelement,iscomposedofthree

sub pixels in the primary colors of red, green and

blue.Manypixelstogetherformanimage.When

all sub pixels of a pixel are lit, the three colored

sub pixels together appear as a single white pixel.

When all are dark, the three colored sub pixels

together appear as a single black pixel. Other

combinations of lit and dark sub pixels appear as

single pixels of other colors.

Types of Pixel Defects

Pixel and sub pixel defects appear on the screen

in different ways. There are two categories of pixel

defects and several types of sub pixel defects

within each category.

Bright Dot Defects Bright dot defects appear as

pixels or sub pixels that are always lit or 'on'. That

is, a bright dot is a sub-pixel that stands out on the

screen when the monitor displays a dark pattern.

Therearethetypesofbrightdotdefects:

One lit red, green or blue sub pixel

Twoadjacentlitsubpixels:

- Red + Blue = Purple

- Red+Green=Yellow

- Green + Blue = Cyan (Light Blue)

Three adjacent lit sub pixels (one white pixel)

Philips 202EL2SB Инструкция по эксплуатации онлайн [20/50] 42478

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