456A 25
10. Defect Specifications
10.1. Inspection Conditions
- Room temperature is 25_C ± 5_ C
- Inspect at 20 cm from display
- Viewing angle and Illumination:
- Display specifications:
-- 30 ≤ °x ≤ +30,0 ≤ ∞y ≤ +20
60 lux at a LCD surface
- Appearance specifications:
-- 45 ≤ °x ≤ +45, -- 45 ≤ ∞y ≤ +45
700 lux at a operation table
10.2. Display Specifications
Item Specifications
Line Defect Not allowed
Dot Defect Lumious dots are measured while the screen is black.
(Luminous dots)
R+G+B ≤ 15 dots
G ≤ 6dots
Neighboring Same color ≤ 6.5 mm R,G,B ≤ 2pairseach
Different color ≤ 6.5 mm All allowed
Between neighboring
≤ 10 mm
≤ 0
Linkage Linked two dots
(same color)
R;B;G ≤ 3pairseach
Linked two dots
(different color)
All allowed
Linkedthreeormoredots
(same color)
≤ 0
Linkedthreeormoredots
(different color)
≤ 0
Dot Defects
(Dark dots)
Dark dots are measured while the screen is illuminated with Red, Green
or Blue.
R, G, B ≤ 7
R+B+G ≤ 15
Neighboring Same color ≤ 6.5 mm All allowed
Different color ≤ 6.5 mm All allowed
Between neighboring
≤ 10 mm
All allowed
Linkage Linked two dots
(same screen)
Linked two dots are
counted as one dot.
Linked two dots
(different screen)
All allowed
Linkedthreeormoredots
(same screen)
R, G, B ≤ 0
Linkedthreeormoredots
(different screen)
R, G, B ≤ 0
Dot Defect total Full luminous dots + Half luminous dots + Dark dots ≤ 15 dots