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PDF LQ190E1LW43 Data sheet ( Hoja de datos )
| Número de pieza | LQ190E1LW43 | |
| Descripción | TFT-LCD Module | |
| Fabricantes | Sharp | |
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1 page  
4. Input Terminals
4-1. TFT-LCD panel driving
CN1 (Interface signals and +5.0V power supply)
Using connectors
FI-X30SSL-HF (Japan Aviation Electronics Industry, Limited)
Corresponding connectors
FI-X30M (FPC type) (Japan Aviation Electronics Industry, Limited)
FI-X30H (Wire type), FI-X30HL(Wire type with lock)
FI-X30C (Coaxial cable type), FI-X30C2L(Coaxial cable type with luck)
Using LVDS receiver
Type contained in a control IC
(DS90CF386 (NS Corporation) or equivalent)
Corresponding LVDS Transmitter DS90CF383, C385 (NS Corporation) or equivalent)
Pin No. Symbol
Function
Remark
1
RxO0-
Receiver signal of LVDS (O0-)
LVDS
2
RxO0+
Receiver signal of LVDS (O0+)
LVDS
3
RxO1-
Receiver signal of LVDS (O1-)
LVDS
4
RxO1+
Receiver signal of LVDS (O1+)
LVDS
5
RxO2-
Receiver signal of LVDS (O2-)
LVDS
6
RxO2+
Receiver signal of LVDS (O2+)
LVDS
7
GND
GND
8
RxOC-
Receiver signal of LVDS (OC-)
LVDS
9
RxOC+
Receiver signal of LVDS (OC+)
LVDS
10 RxO3- Receiver signal of LVDS (O3-)
LVDS
11
RxO3+
Receiver signal of LVDS (O3+)
LVDS
12 RxE0- Receiver signal of LVDS (E0-)
LVDS
13
RxE0+
Receiver signal of LVDS (E0+)
LVDS
14
GND
GND
15 RxE1- Receiver signal of LVDS (E1-)
LVDS
16
RxE1+
Receiver signal of LVDS (E1+)
LVDS
17
GND
GND
18 RxE2- Receiver signal of LVDS (E2-)
LVDS
19
RxE2+
Receiver signal of LVDS (E2+)
LVDS
20 RxEC- Receiver signal of LVDS (EC-)
LVDS
21 RxEC+ Receiver signal of LVDS (EC+)
LVDS
22 RxE3- Receiver signal of LVDS (E3-)
LVDS
23
RxE3+
Receiver signal of LVDS (E3+)
LVDS
24
GND
GND
25 SEL LVDS Selection of LVDS mapping
26 N.C.
27 N.C.
28 Vcc +5V power supply
29 Vcc +5V power supply
30 Vcc +5V power supply
Note: There is a possibility that trouble occurs in initial and long-term reliability when using it
besides corresponding connector.
5 Page 
6-2. Backlight
The back light system is an edge-lighting type with 6 CCFTs (Cold Cathode Fluorescent Tube).
The characteristics of the lamp are shown in the following table.
The value mentioned below is at the case of one CCFT.
Parameter
Symbol Min. Typ. Max.
Unit
Remark
Lamp current range
IL 4.0 7.0 8.0 mArms Note1
Lamp voltage
Lamp power consumption
VL
PL
750 Vrms IL=7.0mArms Ta=25
5.25 W Note2
Lamp frequency
FL 40 50 60 kHz Note3
Kick-off voltage
Note4
Vs
1500 1600 Vrms Inverter output voltage Ta=0
Note1 Lamp current is measured by high frequency current measurement equipment connected to VLOW at
circuit showed below.
Ballast capacitor
Module
CN-A F 1pin
Inverter
output voltage
Inverter
Transformer
output voltage
CN-A F 2pin
Note2
Note3
Note4
Note5
Note6
Referential data per one CCFT by calculation ( IL VL ) .
The data don’t include loss at inverter. (IL=7.0 mArms)
Lamp frequency of inverter may produce interference with horizontal synchronous frequency, and this
may cause horizontal beat on the display. Therefore, adjust lamp frequency, and keep inverter as far as
from module or use electronic shielding between inverter and module to avoid interference.
This is transformer output voltage at 12pF for the ballast capacitor of a AS114(NF corporation).
The kick-off voltage may rise up on the user set, please decide the open output voltage by checking not
to occur lighting failure under operation state.
The open output voltage of the inverter shall be maintained for more than 1s; otherwise the lamp may
not be turned on.
Moreover, the circuit composition shall not be decreased until both lamps light.
The lamp is expendable supplies. The lifetime of the lamp is 50,000 hours (reference value) in the
following condition but this numerical value is not guaranteed.
Above value is applicable when lamp is placed horizontally.
Lamp life time is defined that it applied either
or
(Continuous turning on at Ta=25 oC, IL=7.0mArms)
under this condition
Brightness becomes 50% of the original value under standard condition.
Kick-off voltage at Ta=0oC exceeds maximum value, (1,600)Vrms.
(Lamp life time may vary if lamp is in portrait position due to the change of mercury density inside
the lamp.)
Lamp life time shortens according to the state of mounting and use.
In case of operating under lower temp environment, the lamp exhaustion is accelerated
and the brightness becomes lower. (Continuous operating for around 1 month under lower temp
condition may reduce the brightness to half of the original brightness.)
In case of such usage under lower temp environment, periodical lamp exchange is recommended.
The performance of the backlight, for example life time or brightness, is much influenced
by the characteristics of the DC-AC inverter for the lamp. When you design or order the inverter,
please make sure that a poor lighting caused by the mismatch of the backlight and the inverter
(miss-lighting, flicker, etc.) never occur. When you confirm it, the module should be operated in the
same condition as it is installed in your instrument.
Be sure to use a back light power supply with the safety protection circuit such as the detection circuit
for the excess voltage, excess current and or electric discharge waveform.
Be sure to use the detect circuit by which one side of the CCFT lamps can be controlled independently.
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet LQ190E1LW43.PDF ] | |
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