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LM185WH1-TLD2 PDF 데이터시트 ( Data , Function )

부품번호 LM185WH1-TLD2 기능
기능 Display Module
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LM185WH1-TLD2 데이터시트, 핀배열, 회로
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Product Specification
LM185WH1
Liquid Crystal Display
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
() Final Specification
Title
BUYER
MODEL
LGE
18.5” WXGA TFT LCD
SUPPLIER
LG Display Co., Ltd.
*MODEL
LM185WH1
SUFFIX
TLD2
*When you obtain standard approval,
please use the above model name without suffix
SIGNATURE
/
DATE
/
/
Please return 1 copy for your confirmation
With your signature and comments.
APPROVED BY
G. T. KIM / G. Manager
REVIEWED BY
S. U. Byun / Manager [C]
J. H. Lee / Manager [M]
Y. S. Lee / Manager [P]
PREPARED BY
D. K. Heo / Engineer
DATE
Product Engineering Dept.
LG Display Co., Ltd
Ver. 2.0
JUN., 30, 2009
1 / 32
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LM185WH1-TLD2 pdf, 반도체, 판매, 대치품
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Product Specification
LM185WH1
Liquid Crystal Display
1. General description
LM185WH1-TLD2is 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-TLD1
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
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 1Port
16.7M colors
250 cd/m2 ( Center 1Point, typ)
R/L 170(Typ.), U/D 160(Typ.)
Total 14.02W(Typ.), (2.98 W@VLCD , 11.04 W@IBL = 8.0 mA)
1,550 g (Typ.)
Transmissive mode, Normally White
Hard coating (3H), Anti-glare treatment of the front polarizer
Ver. 2.0
JUN., 30, 2009
4 / 32
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Product Specification
LM185WH1
Liquid Crystal Display
Table 3. Electrical characteristics
Parameter
LAMP :
Operating Voltage
Operating Current
Established Starting Voltage
at 25 °C
at 0 °C
Operating Frequency
Discharge Stabilization Time
Power Consumption
Life Time
Symbol
VBL
IBL
Vs
fBL
TS
PBL
Min
670
(8.5mA)
2.5
40
-
50,000
Values
Typ
690
(8.0mA)
8.0
60
-
11.04
-
Max
840
(2.5mA)
8.5
1250
1550
70
3
12.14
Unit
VRMS
mARMS
VRMS
VRMS
kHz
Min
Watt
Hrs
Notes
1, 2
1
1, 3
4
1, 5
6
1, 7
Note :
The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM, for example life time or brightness, is extremely influenced
by the characteristics of the DC-AC inverter. So all the parameters of an inverter should be carefully
designed so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter, please make sure unwanted lighting caused by the mismatch of
the lamp and the inverter (no lighting, flicker, etc) never occurs. When you confirm it, the LCD–Assembly
should be operated in the same condition as installed in you instrument.
Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to a conducting tape,
TFT-LCD Module has a low luminance and the inverter has abnormal action.
Because leakage current is occurred between lamp wire and conducting tape.
1. Specified values are for a single lamp.
2. Operating voltage is measured at 25 ± 2°C. The variance of the voltage is ± 10%.
3. The voltage above VS should be applied to the lamps for more than 1 second for start-up.
(Inverter open voltage must be more than lamp starting voltage.)
Otherwise, the lamps may not be turned on. The used lamp current is the lamp typical current.
4. Lamp frequency may produce interface with horizontal synchronous frequency and as a result
this may cause beat on the display. Therefore lamp frequency shall be as away possible from
the horizontal synchronous frequency and from its harmonics in order to prevent interference.
5. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
TS is the time required for the brightness of the center of the lamp to be not less than 95%.
6. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current. (PBL = VBL x IBL x NLamp )
7. The life is determined as the time at which brightness of the lamp is 50% compared to that
of initial value at the typical lamp current on condition of continuous operating at 25 ± 2°C.
Ver. 2.0
JUN., 30, 2009
7 / 32
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