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Global LCD Panel Exchange Center www.panelook.com
Approval
To : Customer
Date : 2005-01-31
SAMSUNG TFT-LCD
MODEL NO. : LTM170EX-L21
Approved by :
Any Modification of Spec is not allowed without SEC's permission.
Senior Manager : Y.D. Jo
PREPARED BY : LCD Business Technical Customer Service Team
Samsung Electronics Co . , LTD.
step . No LTM170EX-L21 Rev.No 04-000-G-050131 Page 1
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Approval
Contents
Revision History -------------------------- (3)
General Description -------------------------- (4)
1. Absolute Maximum Ratings -------------------------- (5)
1.1 Absolute ratings of environment
1.2 Electrical Absolute Ratings
2. Optical Characteristics -------------------------- (7)
3. Electrical Characteristics -------------------------- (11)
3.1 TFT LCD Module
3.2 Back-light Unit
4. Block Diagram -------------------------- (15)
4.1 TFT LCD Module
4.2 Back-light Unit
5. Input Terminal Pin Assignment -------------------------- (16)
5.1 Input Signal & Power
5.2 LVDS Interface
5.3 Back-light Unit
5.4 Input Signals, Basic Display Colors and Gray Scale of Each Color
6. Interface Timing -------------------------- (21)
6.1 Timing Parameters (DE only mode)
6.2 Timing Diagrams of Interface Signal (DE only mode)
6.3 Power ON/OFF Sequence
6.4 VDD Power Dip Condition
6.5 LVDS Input Characteristics
7. Outline Dimension -------------------------- (27)
8. Reliability Test -------------------------- (29)
9. Packing -------------------------- (30)
10. Marking & Others -------------------------- (31)
11. Inspection Criteria -------------------------- (33)
12. General Precaution -------------------------- (34)
12.1 Handling
12.2 Storage
12.3 Operation
12.4 Others
step . No LTM170EX-L21 Rev.No 04-000-G-050131 Page 2
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* Revision History Approval
Date Rev. No Page Summary
Jan. 31, 000 Approval specification of LTM170EX-L21 model was issued first.
2005
step . No LTM170EX-L21 Rev.No 04-000-G-050131 Page 3
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General Description Approval
* Description
LTM170EX-L21 is a color active matrix TFT (Thin Film Transistor) liquid crystal display
(LCD) that uses amorphous silicon TFTs as switching devices. This model is composed of
a TFT LCD panel, a driver circuit and a back-light system. The resolution of a 17.0" contains
1280 x 1024 pixels and can display up to 16.2 million colors.
* Features
- High contrast ratio, high aperture structure
- TN (Twisted Nematic) mode
- Wide viewing angle
- High speed response
- SXGA (1280 x 1024 pixels) resolution
- Low power consumption
- 2 dual CCFTs (Cold Cathode Fluorescent Tube)
- DE (Data Enable) mode
- LVDS (Low Voltage Differential Signaling) interface (2pixel/clock)
- Compact Size Design
- Pb-free configuration
* Applications
Workstation & desktop monitors
Display terminals for AV application products
Monitors for industrial machine
* If the module is used to other applications besides the above, please contact SEC
in advance.
* General information
Items Specification Unit Note
Display area 337.92(H) x 270.336(V) mm
Driver element a-Si TFT active matrix
Display colors 16.2M colors
Number of pixels 1280 x 1024 pixel
Pixel arrangement RGB vertical stripe
Pixel pitch 0.264(H) x 0.264(W) mm
Display mode Normally White
Surface treatment Haze 25% , Hard-coating (3H)
step . No LTM170EX-L21 Rev.No 04-000-G-050131 Page 4
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Approval
* Mechanical information
Item Min. Typ. Max. Note
Horizontal(H) 354.4 354.9 355.4 mm
Module
Vertical(V) 289.8 290.3 290.8 mm
size
Depth(D) - - 13.3 mm
Weight - - 1,700 g
1. Absolute Maximum Ratings
1.1 Absolute ratings of environment
Item Symbol Min. Max. Unit Note
Storage temperature TSTG -25 60 (1)
Operating temperature
TOPR 0 50 (1)
(Glass surface temperature)
Shock ( non - operating ) Snop - 50 G (2),(4)
Vibration ( non - operating ) Vnop - 1.5 G (3),(4)
Note (1) Temperature and relative humidity range are shown in the figure below.
90 % RH Max. ( 40 ◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo