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PDF LT035B-50DT Data sheet ( Hoja de datos )
| Número de pieza | LT035B-50DT | |
| Descripción | LCD Module | |
| Fabricantes | Laurel Electronics | |
| Logotipo |  |
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Laurel Electronics Co., Ltd.
SPECIFICATION FOR TFT LCD MODULE
MODEL NO.: LT035B-50DT
(WITH TOUCH PANEL)
3.5”, 320(RGB) x 240 TFT LCM WITH MCU INTERFACE
REVISION
0.1
PREPARED
Y.D.Y.
CHECKED
L.Y.J.
APPROVED
L.Y.
1 page  
Laurel Electronics Co., Ltd. www.laurellcd.com
LT035B-50DT Rev 0.1 Page 5/16
3. Interface Specfication (CN1/CN2)
Pin No.
1
2
3
4
5
6
7
Symbol
VSS
VDD
BL
D/C
/WR
/RD
DB0
Level
Function
0V
3.3V to 5.5V
H/L
H/L
L
L
Ground
Power supply for logic and LED backlight
LED backlight driver enable signal.
BL=”H”: LED backlight on; BL=”L”: LED backlight off.
The LED backlight brightness can be adjusted by a
PWM signal applied to BL terminal.
Data or command selection
H: Display data L: Command
Write signal. Active “L”.
Read signal. Active “L”.
H/L
8
9
10
11
12
13
14
15
16
17
18
19
20
21-22
23-26
DB1
DB2
DB3
DB4
DB5
DB6
DB7
/CS
/RST
X1
Y2
X2
Y1
NC
NC
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H→L
L
-
-
-
-
-
--
Data bus
Chip enable signal. Active at falling edge.
Reset signal. Active “L”
Touch panel left side terminal
Touch panel bottom side terminal
Touch panel right side terminal
Touch panel top side terminal
No connection
No connection
Note: 1. Pin 23 to Pin 26 is only available for CN1
5 Page 
Laurel Electronics Co., Ltd. www.laurellcd.com
LT035B-50DT Rev 0.1 Page 11/16
7. Optical Specifcations
Item
Symbol
Condition
Min. Typ. Max. Unit Note
Brightness
-
-
-
120
-
cd/m2
1
Viewing Angle
Hor. Θx+
Θx-
Ver. Θy+
Θy-
Center,
Cr≥10
- 60 -
- 60 -
- 50 - deg. 2
- 55 -
Contrast Ratio
Cr
220 300
-
-3
Response Time
Tr
Tf
Θx=Θy=0 - 10 - ms
4
- 15 - ms
Chromaticity
White
x
y
Θx=Θy=0
0.26 0.31 0.36
0.28 0.33 0.38
-
-
-
Note 1: Measured at the center area of the panel when the LCD on the “White” state.
Note 2: The above “Viewing Angle” is the measuring position with largest contrast ratio, not for
good image quality. Viewing direction for good image quality is 6 O’clock.
Note 3: The contrast ration is defined as the following expression.
Contrast
Ratio
(Cr)
=
Brightness
Brightness
measured
measured
when
when
LCD on " White"
LCD on "Black"
State
state
Note 4: The response time is defined as the LCD optical switching time interval between “White”
state and “Black” state. Rise time Tr is the time between photo detector output intensity
changed from 90% to 10%. Fall time Tf is the time between photo detector output intensity
changed from 10% to 90%.
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet LT035B-50DT.PDF ] | |
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