Philips 241B4LPCS/00 - Philips Pixel Defect Policy

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Philips Pixel Defect Policy
ʳ
Philips' Flat Panel Monitors Pixel Defect Policy
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%ODFN'RW'HIHFWV%ODFNGRWGHIHFWVDSSHDUDVSL[HOVRUVXESL[HOVWKDWDUH
DOZD\VGDUNRURII7KDWLVDdark dotLVDVXESL[HOWKDWVWDQGVRXWRQWKH
VFUHHQZKHQWKHPRQLWRUGLVSOD\VDOLJKWSDWWHUQ7KHVHDUHWKHW\SHVRI
EODFNGRWGHIHFWVʳ
3KLOLSVVWULYHVWRGHOLYHUWKHKLJKHVWTXDOLW\SURGXFWV:HXVHVRPHRIWKH
LQGXVWU
\VPRVWDGYDQFHGPDQXIDFWXULQJSURFHVVHVDQGSUDFWLFHVWULQJHQW
TXDOLW\FRQWURO+RZHYHUSL[HORUVXESL[HOGHIHFWVRQWKH7)7/&'SDQHOV
XVHGLQIODWSDQHOPRQLWRUVDUHVRPHWLPHVXQDYRLGDEOH1RPDQXIDFWXUHU
FDQJXDUDQWHHWKDWDOOSDQHOVZLOOEHIUHHIURPSL[HOGHIHFWVEXW3KLOLSV
JXDUDQWHHVWKDWDQ\PRQLWRUZLWKDQXQDFFHSWDEOHQXPEHURIGHIHFWVZLOOEH
UHSDLUHGRUUHSODFHGXQGHUZDUUDQW\7KLVQRWLFHH[SODLQVWKHGLIIHUHQWW\SHV
RISL[HOGHIHFWVDQGGHILQHVDFFHSWDEOHGHIHFWOHYHOVIRUHDFKW\SH,QRUGHU
WRTXDOLI\IRUUHSDLURUUHSODFHPHQWXQGHUZDUUDQW\WKHQXPEHURISL[HO
GHIHFWVRQD7)7/&'SDQHOPXVWH[FHHGWKHVHDFFHSWDEOHOHYHOV)RU
H[DPSOHQRPRUHWKDQRIWKHVXESL[HOVRQD;*$PRQLWRUPD\
EHGHIHFWLYH)XUWKHUPRUH3KLOLSVVHWVHYHQKLJKHUTXDOLW\VWDQGDUGVIRU
FHUWDLQW\SHVRUFRPELQDWLRQVRISL[HOGHIHFWVWKDWDUHPRUHQRWLFHDEOHWKDQ
RWKHUV7KLVSROLF\LVYDOLGZRUOGZLGH
Pixels and Sub pixels
$SL[HORUSLFWXUHHOHPHQWLVFRPSRVHGRIWKUHHVXESL[HOVLQWKHSULPDU\
FRORUVRIUHGJUHHQDQGEOXH0DQ\SL[HOVWRJHWKHUIRUPDQLPDJH:KHQDOO
VXESL[HOVRIDSL[HODUHOLWWKHWKUHHFRORUHGVXESL[HOVWRJHWKHUDSSHDUDVD
VLQJOHZKLWHSL[HO:KHQDOODUHGDUNWKHWKUHHFRORUHGVXESL[HOVWRJHWKHU
DSSHDUDVDVLQJOHEODFNSL[HO2WKHUFRPELQDWLRQVRIOLWDQGGDUNVXESL[HOV
DSSHDUDVVLQJOHSL[HOVRIRWKHUFRORUV
ʳTypes of Pixel Defects
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3L[HODQGVXESL[HOGHIHFWVDSSHDURQWKHVFUHHQLQGLIIHUHQWZD\V7KHUHDUH
WZRFDWHJRULHVRISL[HOGHIHFWVDQGVHYHUDOW\SHVRIVXESL[HOGHIHFWVZLWKLQ
HDFKFDWHJRU\ ʳ
%ULJKW'RW'HIHFWV%ULJKWGRWGHIHFWVDSSHDUDVSL[HOVRUVXESL[HOVWKDWDUH
DOZD\VOLWRURQ7KDWLVDbright dotLVDVXESL[HOWKDWVWDQGVRXWRQWKH
VFUHHQZKHQWKHPRQLWRUGLVSOD\VDGDUNSDWWHUQ7KHUHDUHWKHW\SHVRI
EULJKWGRWGHIHFWVʳ
ʳ
ʳ
2QHOLWUHGJUHHQRU
EOXHVXESL[HOʳ
7ZRDGMDFHQWOLWVXE
SL[HOV
5HG%OXH 
3XUSOH
5HG*UHHQ 
<HOORZ
*UHHQ%OXH 
&\DQ/LJKW%OXH!
7KUHHDGMDFHQWOLWVXE
SL[HOVRQHZKLWH
SL[HOʳ
ʳ
$UHGRUEOXHbright dotPXVWEHPRUHWKDQSHUFHQWEULJKWHU
WKDQQHLJKERULQJGRWVZKLOHDJUHHQEULJKWGRWLVSHUFHQW
EULJKWHUWKDQQHLJKERULQJGRWVʳ
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2QHGDUNVXESL[HOʳ 7ZRRUWKUHHDGMDFHQWGDUNVXESL[HOVʳ
Proximity of Pixel Defects
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%HFDXVHSL[HODQGVXESL[HOVGHIHFWVRIWKHVDPHW\SHWKDWDUHQHDUWRRQH
DQRWKHUPD\EHPRUHQRWLFHDEOH3KLOLSVDOVRVSHFLILHVWROHUDQFHVIRUWKH
SUR[LPLW\RISL[HOGHIHFWV 
Pixel Defect Tolerances
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,QRUGHUWRTXDOLI\IRUUHSDLURUUHSODFHPHQWGXHWRSL[HOGHIHFWVGXULQJWKH
ZDUUDQW\SHULRGD7)7/&'SDQHOLQD3KLOLSVIODWSDQHOPRQLWRUPXVWKDYH
SL[HORUVXESL[HOGHIHFWVH[FHHGLQJWKHWROHUDQFHVOLVWHGLQWKHIROORZLQJ
WDEOHVʳ
BRIGHT DOT DEFECTSʳ
ACCEPTABLE
LEVEL ʳ
MODELʳ
241B4LP(Y)ʳ
OLWVXESL[HOʳ ʳ
DGMDFHQWOLWVXESL[HOVʳ ʳ
DGMDFHQWOLWVXESL[HOVRQHZKLWHSL[HOʳ ʳ
'LVWDQFHEHWZHHQWZREULJKWGRWGHIHFWVʳ !PPʳ
7RWDOEULJKWGRWGHIHFWVRIDOOW\SHVʳ ʳ
BLACK DOT DEFECTSʳ
ACCEPTABLE
LEVEL ʳ
MODELʳ
241B4LP(Y)
ʳ
GDUNVXESL[HOʳ RUIHZHUʳ
DGMDFHQWGDUNVXESL[HOVʳ RUIHZHUʳ
DGMDFHQWGDUNVXESL[HOVʳ  ʳ
'LVWDQFHEHWZHHQWZREODFNGRWGHIHFWVʳ !PPʳ
7RWDOEODFNGRWGHIHFWVRIDOOW\SHVʳ RUIHZHUʳ
TOTAL DOT DEFECTSʳ
ACCEPTABLE
LEVEL ʳ
MODELʳ
241B4LP(Y)
ʳ
7RWDOEULJKWRUEODFNGRWGHIHFWVRIDOO
W\SHVʳ
RUIHZHUʳ
Note: 
* 1 or 2 adjacent sub pixel defects = 1 dot defect
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