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LM240WU7-SLB3 데이터시트 PDF




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부품번호 LM240WU7-SLB3 기능
기능 WUXGA TFT LCD
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LM240WU7-SLB3 데이터시트, 핀배열, 회로
Global LCD Panel Exchange Center
www.panelook.com
Product Specification
SPECIFICATION
FOR
APPROVAL
LM240WU7
Liquid Crystal Display
( ) Preliminary Specification
(̻) Final Specification
Title
24.0” WUXGA TFT LCD
BUYER
MODEL
APPROVED BY
/
/
/
HP
SIGNATURE
DATE
SUPPLIER
*MODEL
SUFFIX
LG Display Co., Ltd.
LM240WU7
SLB3
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
B.C KIM / G.Manager
SIGNATURE
DATE
REVIEWED BY
S.H KIM / Manager [C]
Y.H HWANG / Manager [M]
I.M. CHOI / Manager [P]
PREPARED BY
T.K KIM / Engineer
Please return 1 copy for your confirmation with
your signature and comments.
MNT Products Engineering Dept.
LG Display Co., Ltd.
Ver. 1.0
Apr. 21 . 2011
1 / 34
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LM240WU7-SLB3 pdf, 반도체, 판매, 대치품
Global LCD Panel Exchange Center
www.panelook.com
Product Specification
LM240WU7
Liquid Crystal Display
1. General Description
LM240WU7 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 black mode. It has a 24inch diagonally measured
active display area with WUXGA resolution (1200 vertical by 1920 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(True) colors.
It has been designed to apply the 8Bit 2 port LVDS interface.
It is intended to support displays where high brightness, super wide viewing angle,
high color saturation, and high color are important.
LVDS
2port
CN1
(30pin)
+12.0V
RGB
Timing
Controller
Source Driver Circuit
S1 S1920
TFT - LCD Panel
(1920 Ý RGB Ý 1200 pixels)
+12.0V
Power Circuit
Block
VLamp
2 x 6Sockets (High)
Back light Assembly
(U-Shape 6CCFL)
General Features
Active Screen Size
Outline Dimension
Pixel Pitch
Pixel Format
Color Depth
Luminance, White
Viewing Angle(CR>10)
Power Consumption
Weight
Display Operating Mode
Surface Treatment
Ver. 1.0
24.1 inches(61.13cm) diagonal
546.4(H) x 352.0(V) x 35.7(D) mm(Typ.) * without inverter
0.270 mm x 0.270 mm
1920 horiz. By 1200 vert. Pixels RGB stripes arrangement
8-bit, 16,777,216 colors
400 cd/m2 ( Center 1 points)
View Angle Free (R/L 178(Typ.), U/D 178(Typ.))
Total 69.72 Watt (Typ.) ( 6.72 Watt@VLCD, 63 Watt @Vlamp)
2830 g (typ.)
Transmissive mode, normally black
Hard coating(3H), Anti-glare treatment of the front polarizer
Apr. 21 . 2011
4 / 34
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LM240WU7-SLB3 전자부품, 판매, 대치품
Global LCD Panel Exchange Center
www.panelook.com
LM240WU7
Liquid Crystal Display
Product Specification
Note : Do not Insert conducting Material to lamp connecting socket. If the conducting Material is inserted
to the lamp connecting sockets, TFT-LCD Module has a low luminance and the inverter has abnormal
action. Because leakage current is occurred between lamp connecting socket and conducting material.
1. Permissive power ripple should be measured under VLCD=12.0V, 25 r 2C,fV=60Hz condition and At that
time, we recommend the bandwidth configuration of oscilloscope is to be under 20Mhz.
2. The specified current and power consumption are under the VLCD=12.0V, 25 r 2C,fV=60Hz condition
whereas mosaic pattern(8 x 6) is displayed and fV is the frame frequency.
3. The current is specified at the maximum current pattern.
4. The duration of rush current is about 2ms and rising time of power Input is 1ms(min.).
5. Specified values are for a single lamp.
6. Operating voltage is measured at 25 r 2C, and follows as below condition.
The variance of the voltage is r 10%. (Based on single Lamp.)
The variance of the voltage is r 20%. (Based on system & Test equipment tolerance.)
7. 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.
8. The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform (Unsymmetrical ratio is less than 10%). Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
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.
9. 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%.
The used lamp current is the lamp typical current.
10. 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 )
11. 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 r 2C.
12. Requirements for a system inverter design, which is intended to have a better display performance,
a better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within √2 ·10%.
* Inverter output waveform had better be more similar to ideal sine wave.
* Asymmetry rate:
Ip
| I p – I –p | / Irms x 100%
* Distortion rate
I -p
I p (or I –p) / Irms
13. The inverter which is combined with this LCM, is highly recommended to connect coupling(ballast)
condenser at the high voltage output side. When you use the inverter which has not coupling(ballast)
condenser, it may cause abnormal lamp lighting because of biased mercury as time goes.
14. In case of edgy type back light with over 6 parallel lamps, input current and voltage wave form should
be synchronized
Ver. 1.0
Apr. 21 . 2011
7 / 34
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