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PDF DMC20434U Data sheet ( Hoja de datos )
| Número de pieza | DMC20434U | |
| Descripción | LCD Module | |
| Fabricantes | Optrex | |
| Logotipo |  |
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LCD Module Specification
Type No. ＤＭＣ２０４３４Ｕ
First Edition
Apr 11, 2000
Final Revision
*******
Approved by
Checked by
Checked by
Prepared by
Production Div.
Quality Assurance Div.
Design Engineering Div.
Production Div.
Table of Contents
1. General Specifications .............................................................................2
2. Electrical Specifications...........................................................................3
3. Optical Specifications ..............................................................................5
4. I/O Terminal.............................................................................................7
5. Test............................................................................................................9
6. Appearance Standards............................................................................10
7. Code System of Production Lot ..........................................................13
8. Type Number..........................................................................................13
9. Applying Precautions .............................................................................13
10. Precautions Relating Product Handling................................................14
11. Warranty..................................................................................................15
Revision History
Rev. Date
Page
Comment
DMC20434U (AP) No.2000-0137
OPTREX CORPORATION
OPTREX
Page 1/15
1 page  
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3.Optical Specifications
3.1.LCD Driving Voltage
Parameter
Symbol
Conditions
Min. Typ. Max. Units
Recommended
Ta= 0℃
－ － 5.2 V
LCD Driving Voltage
VCC-VEE
Ta=25℃
4.2 4.5 4.8
V
Note 1
Ta=50℃
3.7 － － V
Note 1 : Voltage (Applied actual waveform to LCD Module) for the best contrast. The range of
minimum and maximum shows tolerance of the operating voltage. The specified contrast ratio and
response time are not guaranteed over the entire range.
3.2.Optical Characteristics
Ta=25℃, 1/16 Duty, 1/5 Bias, VD=4.5V (Note 4), θ=10 ﾟ, φ=90 ﾟ
Parameter
Symbol
Conditions
Min. Typ. Max. Units
Contrast Ratio
Note 1
CR
θ=20 ﾟ, φ=90 ﾟ
－
7
－
Viewing Angle
Shown in 3.3
Response Rise Note 2
TON
－ － 130 200 ms
Time Decay Note 3
TOFF
－ － 130 200 ms
Note 1 : Contrast ratio is definded as follows.
CR = LOFF / LON CR = LON / LOFF
LON : Luminance of the ON segments
LOFF : Luminance of the OFF segments
Note 2 : The time that the luminance level reaches 90% of the saturation level from 0% when ON
signal is applied.
Note 3 : The time that the luminance level reaches 10% of the saturation level from 100% when OFF
signal is applied.
Note 4 : Definition of Driving Voltage VD
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 VD is definded
as follows.
VD = (Vth1+Vth2) / 2
Vth1 : The voltage VO-P that should provide 50% of the saturation level in the luminance
measured atθ= 10 ﾟ, φ=90 ﾟ on the segment which the ON signal is applied to.
Vth2 : The voltage VO-P that should provide 26% of the saturation level in the luminance
measured atθ= 40 ﾟ, φ=90 ﾟ on the segment which the OFF signal is applied to.
VO-P
1 / ( fF×A )
〈ON SIGNAL〉
DMC20434U (AP) No.2000-0137
1 / fF
( B-2 )×VO-P / B
〈OFF SIGNAL〉
OPTREX CORPORATION
OPTREX
Page 5/15
5 Page 
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6.3.Standards
No. Parameter
Criteria
1 Black and
(1) Round Shape
White Spots,
Zone
Acceptable Number
Foreign Substances
Dimension (mm)
ABC
D ≦ 0.1
*
*
*
0.1 ＜ D ≦ 0.2
5
5
*
0.2 ＜ D ≦ 0.3
0
1
*
0.3 ＜ D
00*
D = ( Long + Short ) / 2 * : Disregard
(2) Line Shape
Zone
Acceptable Number
X(mm) Y(mm)
ABC
－
2.0≧L
1.0≧L
1.0≧L
－
0.02≧W
0.03≧W
0.04≧W
0.05≧W
0.05＜W
***
33*
12*
02*
In the same way (1)
X : Length Y : Width * : Disregard
Total defects shall not exceed 5.
2 Air Bubbles
(between glass
Zone
Acceptable Number
& polarizer)
Dimension (mm)
ABC
D ≦0.15
*
*
*
0.15＜ D ≦0.3 2 3 *
0.3 ＜ D ≦0.5 1 2 *
0.5 ＜ D ≦1.0 0 1 *
* : Disregard
Total defects shall not exceed 3.
DMC20434U (AP) No.2000-0137
OPTREX CORPORATION
OPTREX
Page 11/15
11 Page | ||
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| PDF Descargar | [ Datasheet DMC20434U.PDF ] | |
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