1.5 Optical Characteristics
Depends on the LCD supplier's spec. Details refer to QA
Inspection Spec.
1. Product Specification (continued)
1.4.5.8 LCD Inspection
Put LCD panel on inspection table and illuminate
the panel with a daylight fluorescent lamp located
above the panel surface such that the luminance at
the LCD panel is between 1000 lux and 1500 lux
.Defect limits are given in Table 4 .
Average Diameter smaller of
(L+W)/2 or L/20+2W
Acceptable Number Minimum Separation
< 0.1mm Non countable N / A
0.1 mm ~ 0.3 mm 10 15 mm
0.31 mm ~ 0.5 mm 10 15 mm
0.51 mm ~ 1.25 mm 5 15 mm
1.26 mm ~ 2.5 mm 3 25.4 mm
2.51 mm ~ 3.75 mm 3 25.4 mm
Greater than 3.75 mm NONE Not applicable
Note : Allowable distance between spots of two sizes is the minimum separation
number for the smaller spot. Therefore, if there are two spots, 1.30mm and 0.4mm
in diameter, they must be at least 15mm apart.
7
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