DMF-682AN-EW Optrex America Inc, DMF-682AN-EW Datasheet - Page 8

• Manufacturer Part Number: DMF-682AN-EW
• Description: GRAPH MODULE 256X128 STN EL/BKL
• Manufacturer: Optrex America Inc
• Series: DMF-682r

Specifications of DMF-682AN-EW

• Display Type: LCD - Monochrome
• Display Mode: Transflective
• Viewing Area: 127.00mm L x 70.00mm W
• Backlight: EL - White
• Dot Size: 0.43mm W x 0.43mm H
• Dot Pitch: 0.47mm x 0.47mm
• Dot Pixels: 256 x 128
• Interface: Parallel
• Other names: 73-1141; OP256128W

Recommended
Contrast Ratio
Viewing Angle
Response
3. Optical Specifications
Note 1 :
Note 1 : Contrast ratio is definded as follows.
Note 2 : The time that the luminance level reaches 90% of the saturation level from 0% when ON
Note 3 : The time that the luminance level reaches 10% of the saturation level from 100% when OFF
Note 4 : Definition of Driving Voltage V
3.1. LCD Driving Voltage
LCD Driving Voltage
3.2. Optical Characteristics
DMF682AN-EW (AB) No.97-0085
Time
Parameter
Parameter
minimum and maximum shows tolerance of the operating voltage. The specified contrast ratio and
response time are not guaranteed over the entire range.
L
L
signal is applied.
signal is applied.
Assuming that the typical driving waveforms shown below are applied to the LCD Panel at
1/A Duty - 1/B Bias ( A : Duty Number, B : Bias Number ). Driving voltage V
as follows.
Vth1 :The voltage V
Vth2 :The voltage V
ON
OFF
Rise
Decay Note 3
CR = L
V
Voltage (Applied actual waveform to LCD Module) for the best contrast. The range of
: Luminance of the ON segments
: Luminance of the OFF segments
D
the segment which the ON signal is applied to.
the segment which the OFF signal is applied to.
= (Vth1+Vth2) / 2
V
O-P
Note 1
Note 1
Note 2
OFF
1 / (
/ L
(ON SIGNAL)
ON
f
F
O-P
O-P
A )
V
Symbol
Symbol
DD
that should provide 50% of the satulation level in the luminance at
that should provide 50% of the satulation level in the luminance at
CR
-V
d
r
EE
Ta=25˚C, 1/64 Duty, 1/8.8 Bias, V
D
Conditions
Conditions
= 0˚, = –˚
Ta=25˚C
Ta=50˚C
Ta= 0˚C
–
–
OPTREX CORPORATION
1 /
(OFF SIGNAL)
f
F
Shown in 3.3
Min.
Min.
12.2
10.4
–
–
–
–
D
=13.1V (Note 4), = 0˚, = –˚
( B-2 ) V
Typ.
Typ.
13.1
120
200
–
–
3
O-P
D
/ B
Max.
Max.
15.4
14.0
is definded
200
300
–
–
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Units
Units
ms
ms
V
V
V