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LM240WU8-SLD2 데이터시트 PDF




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기능 WUXGA TFT LCD
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LM240WU8-SLD2 데이터시트, 핀배열, 회로
Product Specification
LM240WU8
Liquid Crystal Display
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title
24.0” WUXGA TFT LCD
BUYER
MODEL
NEC DS
APPROVED BY
/
SIGNATURE
DATE
SUPPLIER
LG Display Co., Ltd.
*MODEL
LM240WU8
SUFFIX
SLD2
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY
B. C. KIM / G.Manager
SIGNATURE
DATE
/
/
Please return 1 copy for your confirmation with
your signature and comments.
REVIEWED BY
S. H . Kim / Manager [C]
Y. H. Hwang / Manager [M]
M. S. Kang / Manager [P]
S. H. Han / Manager [O]
PREPARED BY
T. K. Kim / Engineer
IT/Mobile Development Division 1
LG Display Co., Ltd
Ver. 1.0
Oct. 29. 2012
1 / 32




LM240WU8-SLD2 pdf, 반도체, 판매, 대치품
Product Specification
LM240WU8
Liquid Crystal Display
1. General description
LM240WU8 is a Color Active Matrix Liquid Crystal Display with an integral Light Emitting Diode (LED)
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 24 inch 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 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 LM240WU8’s characteristics provide an excellent flat panel display for office automation products
such as monitors.
FIG. 1 Block diagram
LVDS
pair #1
LVDS
CN1 pair #2
(30pin)
Timing
controller
RGB
S1
G1
Source driver circuit
S1920
TFT-LCD Panel
(1920×RGB×1200 pixels)
+12V
VLCD
Power circuit
block
G1200
VLed (3ch)
Backlight assembly (White LED)
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
24.1 inches(61.13cm) diagonal (Aspect ratio 16:10)
546.4(H) x 352.0(V) x 11.7(D) mm (Typ.)
0.270 mm x 0.270 mm
1920 hor. By 1200 Vertical Pixels RGB stripes arrangement
LVDS 2Port
16.7M colors (6bit+A-FRC)
350 cd/m2 ( Center 1Point, typ)
R/L 178(Typ.), U/D 178(Typ.)
Total 18.66 Watt (Typ.) ( 3.96 Watt @VLCD, 14.7 Watt @Vled)
2620g(Typ.)
Transmissive mode, normally Black
Hard coating(3H), Anti-Glare treatment of the front polarizer
Ver. 1.0
Oct. 29. 2012
4 / 32

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LM240WU8-SLD2 전자부품, 판매, 대치품
Product Specification
LM240WU8
Liquid Crystal Display
Table 2-2 . LED Bar ELECTRICAL CHARACTERISTICS
Parameter
LED String Current
LED String Voltage
Symbol Condition
Is
Vs
Min.
-
38.4
Values
Typ.
120
41
Power Consumption
PBar
- 14.7
LED Life Time
LED_LT
30,000
-
Max.
125
43.6
Unit Notes
mA 1,2,5
V 1,5
15.7 Watt 1,2,4
- Hrs 3
Notes) The LED Bar consists of 39 LED packages, 3 strings (parallel) x 13 packages (serial)
LED driver design guide
1) The design of the LED driver must have specifications for the LED in LCD Assembly.
The performance of the LED in LCM, for example life time or brightness, is extremely influenced by
the characteristics of the LED driver.
So all the parameters of an LED driver should be carefully designed and output current should be
Constant current control.
Please control feedback current of each string individually to compensate the current variation
among the strings of LEDs.
When you design or order the LED driver, please make sure unwanted lighting caused by
the mismatch of the LED and the LED driver (no lighting, flicker, etc) never occurs.
When you confirm it, the LCD module should be operated in the same condition as installed in
your instrument.
2) LGD recommend that Dimming Control Signal ( PWM Signal) is synchronized with Frame Frequency
for Wavy Noise Free.
Notes :
1. The specified values are for a single LED bar.
2. The specified current is defined as the input current for a single LED string with 100% duty
cycle.
3. The LED life time is defined as the time when brightness of LED packages become 50% or less
than the initial value under the conditions at Ta = 25 ± 2°C and LED string current is typical
value.
4. The power consumption shown above does not include loss of external driver.
The typical power consumption is calculated as PBar = Vs(Typ.) x Is(Typ.) x No. of strings.
The maximum power consumption is calculated as PBar = Vs(Max.) x Is(Typ.) x No. of strings.
5. LED operating conditions must not exceed Max. ratings.
Ver. 1.0
Oct. 29. 2012
7 / 32

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