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N140B6L02

TFT LCD - 14.0” TFT Liquid Crystal Display module with LED Backlight

Unspecified 

Doc No.: 44087312

Issued Date: Oct, 20, 2008

Model No.: N140B6 -L02

Approval

Note (4) Definition of Average Luminance of White (LAVE):

Measure the luminance of gray level 63 at 5 points

LAVE = [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5

L (x) is corresponding to the luminance of the point X at Figure in Note (6).

Note (5) Measurement Setup:

The LCD module should be stabilized at given temperature for 15 minutes to avoid abrupt

temperature change during measuring. In order to stabilize the luminance, the measurement

should be executed after lighting Backlight for 15 minutes in a windless room.

LCD Module

LCD Panel

USB2000

CS-1000T

Center of the Screen

500 mm

Light Shield Room

(Ambient Luminance < 2 lux)

Note (6) Definition of White Variation (δW):

Measure the luminance of gray level 63 at 5 points

δW = Maximum [L (1), L (2), L (3), L (4), L (5)] / Minimum [L (1), L (2), L (3), L (4), L (5)]

Horizontal Line

D

D/4

D/2

3D/4

W/4

W W/2

3W/

1

2

5

3

4

Active Area

22 / 28

X : Test Point

X=1 to 5

Version 2.0

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