SPECIFICATIONS FOR LIQUID CRYSTAL DISPLAY MODULE
MODEL NO: DV-20400-S1FBLY/R22
2.6.1 Definition of optical characteristics
* Definition of angles φ and θ
Light (When reflected)
Y' (φ= 180 ο)
Z (θ=0 ο)
θ2
θ
θ1
i
Sensor
X (φ = 90 ο)
X'
LC panel
Z
Light (When transmitted)
φ
Y (φ= 0 ο)
(θ=90 ο)
*Definition of contrast C
C = B1 = Brightness of selected portion
B2 Brightness of unselected portion
(%)
Dark
unselected portion brightness curve
(bias voltage applied)
Brightness
selected portion
brightness curve
Bright
Operation voltage Vopr
(V)
DATA VISION
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