P420HW02 V0 AU Optronics Corporation, P420HW02 V0 Datasheet - Page 19

• Manufacturer Part Number: P420HW02 V0
• Manufacturer: AU Optronics Corporation

Specifications of P420HW02 V0

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January, 2008 All Rights Reserved.
No Reproduction and Redistribution Allowed
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Note:
1. Contrast Ratio (CR) is defined mathematically as:
2. Surface luminance is luminance value at point 1 across the LCD surface 50cm from the surface with
3. The variation in surface luminance,
all pixels displaying white. From more information see Fig. 4-2. When V
L
WH
=L
on1
, Where L
WHITE(5P)=Maximum(Lon1, Lon2,…,Lon5)/Minimum(Lon1, Lon2,…Lon5)
Contrast ratio (CR)=
on1
is the luminance with all pixels displaying white at center 1 location.
Fig.4-2 Optical measurement point
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Brightness on the "white" state
Brightness on the "black" state
WHITE
P420HW02 V0
is defined under 100% brightness as:
3V/4
V/2
V/4
H/4
1
3
DDB
H
H/2
= 24V, I
5
3H/4
18/28
DDB
2
4
= 7.3A.
V