NMTC-S20400XFYHSAY Microtips Technology, NMTC-S20400XFYHSAY Datasheet - Page 10

• Manufacturer Part Number: NMTC-S20400XFYHSAY
• Description: LCD Character Display Modules Yl/Grn Transflective Yl/Grn LED Backlight
• Manufacturer: Microtips Technology

Specifications of NMTC-S20400XFYHSAY

• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98.5 mm x 60 mm x 14.5 mm
• Fluid Type: STN
• Background Color: Yellow
• Backlight Type: LED Yellow / Green
• Display Mode: Transflective
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Messrs.
Product Specification Model:
3.3 Definition of Viewing Angle and Optimum Viewing Area
3.4 Definition of Viewing Angle
3.5 Definition of Contrast C, C= Brightness of selected dot (B1 )/ Brightness of unselected dot (B2)
Brightness
φ
φ
9 O'clock
θ :
Dark
R
Bright
: Viewing Direction
=
Viewing Angle
(%)
180
φ
6 O'clock
B
=
ο
270
Cmax.
θ
selected portion
brightness curve
f
2.0
ο
and
NMTC-S20400XFYHSAY
θ
b
Optimum viewing angle with the naked
eye and viewing angle
Above are not always the same.
Viewing angles
θ
Operation Voltage (V)
f
θ
R
B1
θ
Normal Line
B
θ =
B2
0
θ
ο
θ
F
unselected portion brightness curve
L
θ ( φ
θ
(bias voltage applied)
fixed)
θ
at Cmax.
b
φ
12 O'clock
φ
Rev. No. Issued Date.
F
=
90
A
ο
3 O'clock
φ
L
=
0
ο
Sep. 27, 07
10 / 20
Page.