B121EW09-V3 AUO, B121EW09-V3 Datasheet - Page 9

• Manufacturer Part Number: B121EW09-V3
• Description: LCD Module
• Manufacturer: AUO

during measuring. In order to stabilize the luminance, the measurement should be executed after lighting Backlight
for 30 minutes in a stable, windless and dark room.
Note 5： Definition of Average Luminance of White (Y
Note 6： Definition of contrast ratio:
Note 7： Definition of Cross Talk (CT)
Where
document version 1.2
The LCD module should be stabilized at given temperature for 30 minutes to avoid abrupt temperature change
Measure the luminance of gray level 63 at 5 points，Y
L (x) is corresponding to the luminance of the point X at Figure in Note (1).
CT = | Y
Y
A
= Luminance of measured location without gray level 0 pattern (cd/m
Contrast ratio (CR)=
B
Contrast ratio is calculated with the following formula.
– Y
A
| / Y
A
× 100 (%)
LCD Panel
Product Specification
AU OPTRONICS CORPORATION
Brightness on the “White” state
Brightness on the “Black” state
Field=2°
Center of the screen
L
):
L
= [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5
Photo detector
50 cm
2
)
TFT-LCD
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