PD035VX2

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Ltd.

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White

White

Black

Tr

Tf

Note 13-4: The definition of contrast ratio

CR

Luminance at gray level 63

Luminance at gray level 0

=

Note 13-5 : The uniformity of LCD is defined as

The Minimum Brightness of the 9 testing Points

U =

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).

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