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PDF M190A1-L01 Data sheet ( Hoja de datos )
| Número de pieza | M190A1-L01 | |
| Descripción | TFT LCD Module | |
| Fabricantes | Chi Mei | |
| Logotipo |  |
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Datasheet pdf - http://www.DataSheet4U.net/
1 page  
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Issued Date: Aug. 30, 2005
Model No.: M190A1-L01
Approval
1. GENERAL DESCRIPTION
1.1 OVERVIEW
M190A1-L01 is a 19” wide TFT Liquid Crystal Display module with 4 CCFL Backlight unit and 30 pins
2ch-LVDS interface. This module supports 1440 x 900 WXGA+ mode and can display 16.2M colors. The
inverter module for Backlight is not built in.
1.2 FEATURES
- Wide viewing angle.
- High contrast ratio
- Super fast response time
- High color saturation
- WXGA+ (1440 x 900 pixels) resolution
- DE (Data Enable) only mode
- LVDS (Low Voltage Differential Signaling) interface
- RoHS Compliance
1.3 APPLICATION
- TFT LCD Monitor
1.4 GENERAL SPECIFICATI0NS
Item
Diagonal Size
Active Area
Bezel Opening Area
Driver Element
Pixel Number
Pixel Pitch
Pixel Arrangement
Display Colors
Transmissive Mode
Surface Treatment
Specification
481.4 (19.05” diagonal)
410.4 (H) x 256.5 (V)
414.36 x 260.45
a-si TFT active matrix
1440 x R.G.B. x 900
0.285 (H) x 0.285 (V)
RGB vertical stripe
16.2M
Normally White
Hard coating (3H), Anti-glare (Haze 25)
Unit
mm
mm
mm
-
pixel
mm
-
color
-
-
Note
(1)
-
-
-
-
-
-
-
1.5 MECHANICAL SPECIFICATIONS
Item
Horizontal(H)
Module Size Vertical(V)
Depth(D)
Weight
Min.
426.7
276.9
-
-
Typ.
427.2
277.4
17
-
Max.
427.7
277.9
17.5
2500
Unit Note
mm
mm (1)
mm
g-
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
5 / 26
Version 2.1
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
www.DataSheet.co.kr
Issued Date: Aug. 30, 2005
Model No.: M190A1-L01
Approval
The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform.(Unsymmetrical ratio is less than 10%) Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave. Lamp frequency may
produce interface with horizontal synchronous frequency and as a result this may cause beat on the
display. Therefore lamp frequency shall be as away possible from the horizontal synchronous
frequency and from its harmonics in order to prevent interference.
Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp. It shall help increase the lamp lifetime and reduce its
leakage current.
a. The asymmetry rate of the inverter waveform should be 10% below;
b. The distortion rate of the waveform should be within √2 ± 10%;
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
* Asymmetry rate:
I p | I p – I –p | / Irms * 100%
I -p * Distortion rate
I p (or I –p) / Irms
11 / 26
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