DMF-50840NB-FW Optrex America Inc, DMF-50840NB-FW Datasheet - Page 8

• Manufacturer Part Number: DMF-50840NB-FW
• Description: LCD GRAPHIC MODULE 320X240 PIXEL
• Manufacturer: Optrex America Inc
• Series: DMF-50840r

Specifications of DMF-50840NB-FW

• Display Type: LCD - Monochrome
• Display Mode: Transflective
• Viewing Area: 120.00mm L x 90.00mm W
• Backlight: CCFL - White
• Dot Size: 0.33mm W x 0.33mm H
• Dot Pitch: 0.36mm x 0.36mm
• Dot Pixels: 320 x 240 (QVGA)
• Interface: Parallel
• Other names: 73-1193

Recommended
Contrast Ratio
Viewing Angle
Response
3.Optical Specif ications
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
DMF-50840NB-FW (AA) No.99-0101
3.1.LCD Driving Voltage
3.2.Optical Characteristics
LCD Driving Voltage
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.
V
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 the voltage V
ON
OFF
D
=V
CR = L
Rise
Decay Note 3
Voltage (Applied actual waveform to LCD Module) for the best contrast. The range of
: Luminance of the ON segments
: Luminance of the OFF segments
V
CC
O-P
-V
Note 1
Note 1
ON
Note 2
ADJ
1 / (
/ L
〈 ON SIGNAL 〉
-V
O-P
OFF
BE
f
F
× A )
when the contrast ratio (CR=L
V
Symbol
Symbol
CC
T
T
CR
-V
OFF
ON
ADJ
Ta=25℃, 1/240Duty, 1/14Bias, V
D
θ= 0 ﾟ, φ=－ﾟ
Conditions
Conditions
Ta=25℃
Ta=50℃
Ta= 0℃
－
－
OPTREX
ON
OPTREX CORPORATION
/ L
1 /
OFF
〈 OFF SIGNAL 〉
f
F
) is at its maximum.
Shown in 3.3
Min.
Min.
21.7
19.9
D
－
－
－
－
=22.7V (Note 4), θ= 0 ﾟ, φ=－ﾟ
( B-2 ) × V
Typ.
23.3
Typ.
270
400
－
－
5
D
O-P
is definded
/ B
Max.
Max.
27.1
24.9
400
600
－
－
Page 8/18
Units
Units
ms
ms
V
V
V