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PDF LM185WH1-TLA1 Data sheet ( Hoja de datos )
| Número de pieza | LM185WH1-TLA1 | |
| Descripción | Display Module | |
| Fabricantes | LG | |
| Logotipo |  |
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Product Specification
LM185WH1
Liquid Crystal Display
1. General description
LM185WH1-TLA1 is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode
Fluorescent Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the
active element. It is a transmissive type display operating in the normally white mode. It has a
18.5 inch diagonally measured active display area with WXGA resolution (768 vertical by 1366
horizontal pixel array) Each pixel is divided into Red, Green and Blue sub-pixels or dots which
are arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determined
with a 8-bit gray scale signal for each dot, thus, presenting a palette of more than 16,7M colors
with Advanced-FRC(Frame Rate Control). It has been designed to apply the interface method
that enables low power, high speed, low EMI. FPD Link or compatible must be used as a
LVDS(Low Voltage Differential Signaling) chip. It is intended to support applications where thin
thickness, wide viewing angle, low power are critical factors and graphic displays are important.
In combination with the vertical arrangement of the sub-pixels, the LM185WH1-TLA1
characteristics provide an excellent flat panel display for office automation products such as
monitors.
FIG. 1 Block diagram
RGB
Source driver circuit
LVDS
pair #1
LVDS
pair #2
CN1
Timing
controller
S1
G1
S1366
TFT-LCD Panel
(1366×RGB×768 pixels)
+5V Power circuit
VLCD block
G768
CN2 (2pin)
CN3 (2pin)
Backlight assembly (2 CCFLs)
General features
Active screen size
Outline Dimension
Pixel Pitch
Pixel Format
Interface
Color depth
Luminance, white
Viewing Angle (CR>10)
Power Consumption
Weight
Display operating mode
Surface treatments
18.51 inches (470.1mm) diagonal
430.4(H) x 254.6(V) x 13.0(D) mm(Typ.)
0.10*RGB(H)mm x 0.30(V)mm
1366 horizontal By 768 vertical Pixels. RGB stripe arrangement
LVDS 2Port
16.7M colors
300 cd/m2 ( Center 1Point, typ)
R/L 170(Typ.), U/D 160(Typ.)
Total 13.60W(Typ.), (3.10W@VLCD , 10.50 W@IBL =7.5mA)
1550 g (Typ.)
Transmissive mode, Normally White
Hard coating (3H), Anti-glare treatment of the front polarizer
Ver. 1.0
Sep., 10, 2008
5 / 32
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Product Specification
FIG. 4 Connector diagram
LM185WH1
Liquid Crystal Display
187024-30091 (P-TWO)
#1 #30
1’st signal pairs
2’nd signal pairs
Power(5V)
PWM signal
#1 #30
Rear view of LCM
Note:
1. NC: No Connection.
2. All GND(ground) pins should be connected together and to Vss which should also
be connected to the LCD’s metal frame.
3. All VLCD (power input) pins should be connected together.
4. Input Level of LVDS signal is based on the IEA 664 Standard.
5. PWM_OUT is a reference signal for inverter control.
This PWM signal is synchronized with vertical frequency.
Its frequency is 3 times of vertical frequency, and its duty ratio is 50%.
If the system don’t use this pin, do not connect.
Ver. 1.0
Sep., 10, 2008
11 / 32
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