Note 10-5: The uniformity of LCD is defined as
U = The Minimum Brightness of the 9 testing Points
The Maximum Brightness of the 9 testing Points
Luminance meter : BM-5A or BM-7 fast(TOPCON)
Measurement distance : 500 mm +/- 50 mm
Ambient illumination : < 1 Lux
Measuring direction : Perpendicular to the surface of module
The test pattern is white (Gray Level 63).
25%
50%
75%
25%
50%
75%
PA050XS1
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