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PDF LQ070Y3LG4A Data sheet ( Hoja de datos )
| Número de pieza | LQ070Y3LG4A | |
| Descripción | LCD Module | |
| Fabricantes | Sharp | |
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Technical Document
LCD Specification
LCD Group
LQ070Y3LG4A LCD Module
Product Specification
July 2009
WVGA module with LVDS interface, 350 nits
brightness and 400:1 contrast; LED backlight.
Full Specifications Listing
1 page  
LD21705A-2
Table of contents
1. Application ..............................................................................3
2. Overview ................................................................................3
3. Mechanical Specifications ...................................................................3
4. Input Terminals ...........................................................................4
4-1. TFT-LCD panel driving and LED Backlight driving...........................................4
4-2 LVDS interface block diagram...........................................................5
5. Absolute Maximum Ratings .................................................................6
6. Electrical Characteristics ....................................................................6
6-1.TFT-LCD panel driving .................................................................6
6-2. Backlight driving ......................................................................8
6-3. LVDS input specification................................................................9
6.3.1. AC characteristics ...............................................................9
6.3.2.LVDS data.....................................................................10
7. Timing Characteristics of Input Signals .......................................................10
7-1. Timing characteristics .................................................................10
7-2. Display position ......................................................................11
7-3. Input data signals and display position on the screen..........................................12
8. Input Signals, Basic Display Colors and Gray Scale of Each Color ..................................13
9. Optical Characteristics.....................................................................14
10. Display Quality .........................................................................15
11．Handling Precautions....................................................................16
12. Packing form ...........................................................................17
13. Reliability Test Items.....................................................................17
14.Label ..................................................................................18
15. RoHS Regulations .......................................................................18
Fig1. Packing Form .........................................................................19
Fig2 Outline Dimensions.....................................................................20
5 Page 
LD21705A-8
6-2. Backlight driving
The backlight system is edge-lighting type with 24 White-LED(White Light Emitting Diode).
The characteristics of White-LED are shown in the following table.
(Ta=25 oC)
Parameter
Symbol Min. Typ. Max. Unit
Remark
LED voltage
VL － 25.6 28
V
IL=20mA
LED current range
Number of circuit strings
LED power consumption
LED life time
IL 15 20 25 mA
－3－
WL － 1.54 －
W
LL 10000 －
－ Hour
[Note 1]
[Note 2]
[Note 3]
[Note 1] The LED backlight is composed by 3 strings from which 8 LED is connected with the series.
The figure below shows the circuit chart.
In each string, there is a ceramic capacitor for the electrostatic protection.
LED-A
Ceramic capacitor
LED-K1
LED-K2
LED-K3
[Note 2] Calculated value for reference ( IL × VL )
[Note 3] LED life time is defined as the time when Brightness becomes 50 % of the original value.
under the condition of Ta = 25℃ and IL = 20 mA,and continuous lighting.
11 Page | ||
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| PDF Descargar | [ Datasheet LQ070Y3LG4A.PDF ] | |
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