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LM300WQ6
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ) Preliminary Specification
( ) Final Specification
Title 30" WQXGA TFT LCD
BUYER SUPPLIER LG Display CO., Ltd.
MODEL *MODEL LM300WQ6
SUFFIX SLA1
*When you obtain standard approval,
please use the above model name without suffix
APPROVED BY SIGNATURE
SIGNATURE DATE DATE
B. C. KIM / G.Manager
/
REVIEWED BY
S. H. HAN / Manager [C]
/
Y. H. HWANG / Manager [M]
M. S. KANG / Manager [P]
/ E. S. KIM / Manager [O]
PREPARED BY
D. K. HEO / Engineer
Please return 1 copy for your confirmation with IT/Mobile Development Devision 1.
your signature and comments. LG Display Co., Ltd
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LM300WQ6
Liquid Crystal Display
Product Specification
CONTENTS
NO. ITEM Page
- COVER 1
- CONTENTS 2
- RECORD OF REVISIONS 3
1 GENERAL DESCRIPTION 4
2 ABSOLUTE MAXIMUM RATINGS 5
3 ELECTRICAL SPECIFICATIONS 6
3-1 ELECTRICAL CHARACTERISTICS 6
3-2 INTERFACE CONNECTIONS 9
3-3 LVDS CHARACTERISTICS 12
3-4 SIGNAL TIMING SPECIFICATIONS 14
3-5 SIGNAL TIMING WAVE FORMS 15
3-6 COLOR INPUT DATA REFERANCE 16
3-7 POWER SEQUENCE FOR PANEL 17
3-8 POWER SEQUENCE FOR INVERTER 18
4 OPTICAL SPECIFICATIONS 19
5 MECHANICAL CHARACTERISTICS 25
6 RELIABILITY 28
7 INTERNATIONAL STANDARDS 29
7-1 SAFETY 29
7-2 EMC 29
8 PACKING 30
8-1 DESIGNATION OF LOT MARK 30
8-2 PACKING FORM 30
9 PRECAUTIONS 31
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LM300WQ6
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Data Page Description
Ver. 0.0 JUL. 30. 2012 - Preliminary specification
4 General Feature (1Point AVG Center 1point)
8 Update LED Bar ELECTRICAL CHARACTERISTICS (TBD Items)
19 Update Color Coordinates (R,G,B) & Response time (Tr, Tf : Avg)
Ver. 0.1 Sep. 11. 2012 21 Correct Active area.
24 Correct Gray Scale spec (Relative Luminance [%])
26,27 Updated Mechanic drawing
30 Updated Packing form
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LM300WQ6
Liquid Crystal Display
Product Specification
1. General Description
The LM300WQ6 LCD is a Color Active Matrix Liquid Crystal Display with Light Emitting Diode (GB LED).
The matrix employs a-Si Thin Film Transistor as the active element. It is a transmissive type display operating
in the normally black mode. This TFT-LCD has a 30.0 inch diagonally measured active display area with
WQXGA resolution(2560 vertical by 1600 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 luminance of the sub-pixel
color is determined with a 10-bit gray scale signal for each dot, thus, presenting a palette of more than
1,073,741,824 colors.
The LM300WQ6 has been designed to apply the 10bit 4port LVDS interface.
Mini-LVDS (RGB)
EEPROM Source Driver Circuit
LVDS I2C
CN2 S1 S2560
G1
2Port
(41pin)
Timing
LVDS
Controller
Gate D-IC
2Port
TFT - LCD Panel
ODC Logic Power (2560 RGB 1600 pixels)
CN1 3.3V / 1.8V
MSTAR
(51pin)
DCR_BR
Power G1600
+12.0V
Circuit Block
VG LED (4ch)
VB LED (4ch) Backlight Assembly
General Features
Active screen size 30.0 inches (756.228mm) diagonal
Outline Dimension 677.30(H) x 436.80(V) x 18.0(D) mm(Typ.)
Pixel Pitch 0.2505 mm x 0.2505 mm
Pixel Format 2560 horizontal By 1600 vertical Pixels. RGB stripe arrangement
Color Depth 10-bit, 1,073,741,824 color
Luminance, White 350 cd/m2 ( Center 1 point )
Viewing Angle(CR>10) Viewing Angle Free(R/L 178(Typ.), U/D 178(Typ.))
Power Consumption Total (60.44) Watt(Typ.), ((14.04) Watt @VLCD, (46.4W) @350cd)
Weight 4,150 g (typ.)
Display Operating Mode Transmissive mode, Normally Black
Surface Treatments Hard coating (3H), Anti-glare treatment of the front polarizer
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LM300WQ6
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1. Absolute Maximum Ratings
Values
Parameter Symbol Units Notes
Min Max
Power Input Voltage VLCD 8 14 Vdc at 25 r 2 C
Operating Temperature TOP 0 50 C
Storage Temperature TST -20 60 C
1, 2, 3
Operating Ambient Humidity HOP 10 90 %RH
Storage Humidity HST 10 90 %RH
LCM Surface Temperature TSurface 0 65 1, 4
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39 C Max, and no condensation of water.
Note : 2. Maximum Storage Humidity is up to 40 , 70% RH only for 4 corner light leakage Mura.
Note : 3. Storage condition is guaranteed under packing condition.
Note : 4. LCM surface temperature should be Min 0 and Max 65 under the VLCD=12.0V.
fV=60Hz, 25 ambient temperature no humidity control and LED string current is typical value.
FIG. 1 Temperature and relative humidity
90%
60
60%
50 Storage
Humidity [(%)RH]
Wet Bulb
Temperature [C]
40
40%
Operation
30
20
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [C]
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LM300WQ6
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
It requires two power inputs. One is employed to power the LCD electronics and to drive the TFT array and
liquid crystal. The second input power for the CCFL, is typically generated by an inverter. The inverter is an
external unit to the LCDs.
Table 2-1. Electrical Characteristics
Values
Parameter Symbol Unit Notes
Min Typ Max
MODULE :
Power Supply Input Voltage VLCD 11.4 12.0 12.6 Vdc
Permissive Power Input Ripple VRF TBD mVp-p 1
- (1170) (1350) mA 2
Power Supply Input Current ILCD
- (1830) (2105) mA 3
PLCD TYP - (14.04) (16.15) Watt 2
Power Consumption
PLCD MAX - (21.96) (25.25) Watt 2
Rush current IRUSH - - 4.0 A 4
Note :
1. Permissive power ripple should be measured under VLCD=12.0V, 25 r 2 C,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 2 C,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.).
White Pattern Black Pattern
< Permissive Power Input Ripple (VLCD=12.0V, 25 r 2 C,fV=60Hz) >
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LM300WQ6
Liquid Crystal Display
Product Specification
Typical current pattern
Maximum current pattern
(White : 255Gray, Black : 0Gray)
Mosaic Pattern(8 x 6) White Pattern
< Power consumption (VLCD=12.0V, 25 r 2 C,fV=60Hz) >
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LM300WQ6
Liquid Crystal Display
Product Specification
Table 3. LED Bar ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol Unit Notes
Min. Typ. Max.
I_Green 105 110 mA
LED String Current 1, 2, 7
I_Blue 65 68 mA
Blue current Ratio IB / IG 60.0 61.9 63.8 % 1,2,7,8
Vs_Green (63.8) (68.2) (72.6) V
LED String Voltage 1, 3, 7
Vs_Blue (63.8) (68.2) (72.6) V
Power Consumption PBar (46.4) (49.4) Watt 1, 4, 6, 7
LED Life Time LED_LT 30,000 Hrs 5, 7
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.
1. 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 specified voltage is input LED string and Bar voltage at typical Current 100% duty current.
4. The specified power consumption is input LED bar power consumption at typical Current
100% duty current.
5. The life is determined as the time at which luminance of the LED is 50% compared to that of
initial value at the typical LED current on condition of continuous operating at 25 r 2 C.
6. The power consumption shown above does not include loss of external driver.
The used LED bar current is the LED typical current.
The typical power consumption is calculated as
PBar = Vs(Typ.) x (I_green(Typ.)+I_blue(Typ)) x No. of strings.
The maximum power consumption is calculated as
PBar = Vs(Max.) x (I_green(Typ.)+I_blue(Typ)) x No. of strings
7. LED operating DC Forward Current must not exceed LED Max Ratings at 25 2 C
8. Blue current Ratio is calculated with IB(typ.)/IG(typ.) after 30min. aging time at 25 2 C.
It means the Blue current portion comparing with Green current at 100% duty typical current.
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LM300WQ6
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD module employs two kinds of interface connection, 51-pin and 41-pin connectors are used for the
module electronics and 14-pin connectors are used for the integral backlight system.
3-2-1. Signal Interface
LCD Connector(CN1): IS050-C51B-C39-A(manufactured by UJU) or FI-RE51S-HF(manufactured by JAE)
or compatible. Refer to below and next Page table.
- Mating Connector : FI-RE51HL(JAE) or compatible
Table 3-1. MODULE CONNECTOR(CN1) PIN CONFIGURATION
No Symbol Description No Symbol Description
1 GND Ground 27 NC No Connection
2 NC No Connection 28 R2AN SECOND LVDS Receiver Signal (A-)
3 NC No Connection 29 R2AP SECOND LVDS Receiver Signal (A+)
4 NC No Connection 30 R2BN SECOND LVDS Receiver Signal (B-)
5 NC No Connection 31 R2BP SECOND LVDS Receiver Signal (B+)
6 ODC Select `H' or NC = Enable , `L' = Disable 32 R2CN SECOND LVDS Receiver Signal (C-)
7 MSTAR Select `H'= MSTAR Concept , `L'=normal 33 R2CP SECOND LVDS Receiver Signal (C+)
8 DCR_BR Brightness voltage output for DCR function 34 GND Ground
9 NC No Connection 35 R2CLKN SECOND LVDS Receiver Clock Signal(-)
10 NC No Connection 36 R2CLKP SECOND LVDS Receiver Clock Signal(+)
11 GND Ground 37 GND Ground
12 R1AN FIRST LVDS Receiver Signal (A-) 38 R2DN SECOND LVDS Receiver Signal (D-)
13 R1AP FIRST LVDS Receiver Signal (A+) 39 R2DP SECOND LVDS Receiver Signal (D+)
14 R1BN FIRST LVDS Receiver Signal (B-) 40 R2EN SECOND LVDS Receiver Signal (E-)
15 R1BP FIRST LVDS Receiver Signal (B+) 41 R2EP SECOND LVDS Receiver Signal (E+)
16 R1CN FIRST LVDS Receiver Signal (C-) 42 Reserved No connection or GND
17 R1CP FIRST LVDS Receiver Signal (C+) 43 Reserved No connection or GND
18 GND Ground 44 GND Ground
19 R1CLKN FIRST LVDS Receiver Clock Signal(-) 45 GND Ground
20 R1CLKP FIRST LVDS Receiver Clock Signal(+) 46 GND Ground
21 GND Ground 47 NC No connection
22 R1DN FIRST LVDS Receiver Signal (D-) 48 VLCD Power Supply +12.0V
23 R1DP FIRST LVDS Receiver Signal (D+) 49 VLCD Power Supply +12.0V
24 R1EN FIRST LVDS Receiver Signal (E-) 50 VLCD Power Supply +12.0V
25 R1EP FIRST LVDS Receiver Signal (E+) 51 VLCD Power Supply +12.0V
26 Reserved No connection or GND - - -
Notes : 1. All GND(ground) pins should be connected together to the LCD module's metal frame.
2. All VLCD (power input) pins should be connected together.
3. All Input levels of LVDS signals are based on the EIA 644 Standard.
4. Specific pins(pin No. #2~#6) are used for internal data process of the LCD module.
If not used, these pins are no connection.
5. Specific pin No. #44 is used for "No signal detection" of system signal interface.
It should be GND for NSB(No Signal Black) during the system interface signal is not.
If this pin is "H", LCD Module displays AGP(Auto Generation Pattern).
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LM300WQ6
Liquid Crystal Display
Product Specification
- LCD Connector(CN2): IS050-C41B-C39-A(manufactured by UJU) or FI-RE41S-HF(manufactured by JAE)
or compatible. Refer to below table.
- Mating Connector : FI-RE41HL or compatible.
Table 3-2. MODULE CONNECTOR(CN2) PIN CONFIGURATION
No Symbol Description No Symbol Description
1 NC No connection(Reserved) 22 R3EN THIRD LVDS Receiver Signal (E-)
2 NC No connection 23 R3EP THIRD LVDS Receiver Signal (E+)
3 NC No connection 24 GND Ground
4 NC No connection 25 GND Ground
5 NC No connection 26 R4AN FORTH LVDS Receiver Signal (A-)
6 NC No connection 27 R4AP FORTH LVDS Receiver Signal (A+)
7 NC No connection 28 R4BN FORTH LVDS Receiver Signal (B-)
8 NC No connection 29 R4BP FORTH LVDS Receiver Signal (B+)
9 GND Ground 30 R4CN FORTH LVDS Receiver Signal (C-)
10 R3AN THIRD LVDS Receiver Signal (A-) 31 R4CP FORTH LVDS Receiver Signal (C+)
11 R3AP THIRD LVDS Receiver Signal (A+) 32 GND Ground
12 R3BN THIRD LVDS Receiver Signal (B-) 33 R4CLKN FORTH LVDS Receiver Clock Signal(-)
13 R3BP THIRD LVDS Receiver Signal (B+) 34 R4CLKP FORTH LVDS Receiver Clock Signal(+)
14 R3CN THIRD LVDS Receiver Signal (C-) 35 GND Ground
15 R3CP THIRD LVDS Receiver Signal (C+) 36 R4DN FORTH LVDS Receiver Signal (D-)
16 GND Ground 37 R4DP FORTH LVDS Receiver Signal (D+)
17 R3CLKN THIRD LVDS Receiver Clock Signal(-) 38 R4EN FORTH LVDS Receiver Signal (E-)
18 R3CLKP THIRD LVDS Receiver Clock Signal(+) 39 R4EP FORTH LVDS Receiver Signal (E+)
19 GND Ground 40 GND Ground
20 R3DN THIRD LVDS Receiver Signal (D-) 41 GND Ground
21 R3DP THIRD LVDS Receiver Signal (D+) -
Notes : 1. All GND(ground) pins should be connected together to the LCD module's metal frame.
[CN1]
#1
CN1 #51 #1
CN2 #41 - Part/No. : IS050-C51B-C39-A(UJU)
- Mating connector : FI-RE51HL
(Manufactured by JAE)
[CN2]
#1 #51 #1 #41 - Part/No. : IS050-C41B-C39-A(UJU)
- Mating connector : FI-RE41HL
(Manufactured by JAE)
Rear view of LCM
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LM300WQ6
Liquid Crystal Display
Product Specification
3-2-2. Backlight Interface
- LED Connector : H401K-D12N-12B (Manufactured by E&T)
- Mating Connector : 4530K-F12N-01R (Manufactured by E&T) or Equivalent.
Table 5. LED CONNECTOR PIN CONFIGULATION
Pin No. Symbol Description Note
1 G_1- Green LED channel 1 Cathode
2 G_2- Green LED channel 2 Cathode
3 G_+ Green Common Anode
4 B_+ Blue Common Anode
5 B_1- Blue LED channel 1 Cathode
6 B_2- Blue LED channel 2 Cathode
7 B_3- Blue LED channel 3 Cathode
8 B_4- Blue LED channel 4 Cathode
9 B_+ Blue Common Anode
10 G_+ Green Common Anode
11 G_3- Green LED channel 3 Cathode
12 G_4- Green LED channel 4 Cathode
Notes : 1. Green Common Anode Pin. No. 3 & 10 must be connected electrically for
stable operation.
2. Blue Common Anode Pin. No. 4 & 9 must be connected electrically for
stable operation.
#1 #12 #1 #12
[Top view ] [Side view ]
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LM300WQ6
Liquid Crystal Display
Product Specification
3-3. LVDS characteristics
3-3-1. DC Specification
Description Symbol Min Max Unit Notes
LVDS Differential Voltage |VID| 200 600 mV -
LVDS Common mode Voltage VCM 1.0 1.5 V -
LVDS Input Voltage Range VIN 0.7 1.8 V -
Change in common mode Voltage VCM - 250 mV -
3-3-2. AC Specification
Tclk
LVDS Clock
LVDS Data
t SKEW ( Fclk = 1 / Tclk )
t SKEW
Description Symbol Min Max Unit Notes
LVDS Clock to Data Skew Margin tSKEW - (0.25*tCLK)/7 + (0.25*tCLK)/7 ps
LVDS Clock to Clock Skew Margin tSKEW_EO - 1/7 + 1/7 Tclk -
Effective time of LVDS teff 520 ps -
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LM300WQ6
Liquid Crystal Display
Product Specification
- LVDS Effective Period
260ps
0.5*tc/7 tc/7
LVDS
data+
Vcm l VID l Vfsw
LVDS
Data-
260ps
teff
LVDS
Clock+
Vcm
LVDS
Clock-
- tc/7 : Unit Interval
- tc : Clock Period
3-3-3. LVDS Data format
10Bit Data-Mapping (VESA format)
RCLKP
RCLKM
RAP R11' R10' G10 R15 R14 R13 R12 R11 R10 G10"
RBP G12' G11' B11 B10 G15 G14 G13 G12 G11 B15"
RCP B13' B12' DE VSYNC HSYNC B15 B14 B13 B12 DE"
RDP R17' R16' X B17 B16 G17 G16 R17 R16 X"
REP R19' R18' X B19 B18 G19 G18 R19 R18 X"
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LM300WQ6
Liquid Crystal Display
Product Specification
3-4. Signal Timing Specifications
This is the signal timing required at the input of the LVDS Transmitter. All of the interface signal timing should
be satisfied with the following specifications for it's proper operation.
Table 6. TIMING TABLE ( Resolution : 2560x1600)
2560x1600
Parameter Symbol Min. Typ. Max. Unit Notes
Period tCLK 14.81 14.89 14.98 ns Pixel frequency
DCLK : Typ.268.5MHz
Frequency fCLK 66.75 67.125 67.5 MHz
Period tHP 678 680 682
Hsync tCLK
Width-Active tWH 8 8 8
Period tVP 1645 1646 1647 tHP
Vsync Frequency fV 59.18 59.97 60.97 Hz
Width-Active tWV 6 6 6 tHP
Horizontal Valid tHV 640 640 640
Horizontal Back Porch tHBP 20 20 20 tCLK
Horizontal Front Porch tHFP 12 12 12
Data Horizontal Blank - 38 40 42 tWH+ tHBP+ tHFP
Enable Vertical Valid tVV 1600 1600 1600
Vertical Back Porch tVBP 38 38 38
tHP
Vertical Front Porch tVFP 2 2 2
Vertical Blank - 45 46 47 tWV+ tVBP+ tVFP
Note: Hsync period and Hsync width-active should be even number times of tCLK. If the value is odd number
times of tCLK, display control signal can be asynchronous. In order to operate this LCM a Hsync,
Vsyn, and DE(data enable) signals should be used.
1. : The performance of the electro-optical characteristics may be influenced by variance of the vertical
refresh rates.
2. Vsync and Hsync should be keep the above specification.
3. Hsync Period, Hsync Width, and Horizontal Back Porch should be any times of of character
number(8).
4. The polarity of Hsync, Vsync is not restricted.
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LM300WQ6
Liquid Crystal Display
Product Specification
3-5. Signal Timing Waveforms
0.7Vcc
Hsync, Vsync, DE, Data
0.3Vcc
tCLK
DCLK 0.5 Vcc
Valid data
Invalid data Invalid data
DE(Data Enable)
tHP
Hsync tWH
tHBP tHV tHFP
DE(Data Enable)
tVP
tWV
Vsync
tVBP tVV tVFP
DE(Data Enable)
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Liquid Crystal Display
Product Specification
3-6. Color Input Data Reference
The brightness of each primary color (red,green and blue) is based on the 10-bit gray scale data input for the
color ; the higher the binary input, the brighter the color. The table below provides a reference for color
versus data input.
Table 7. COLOR DATA REFERENCE
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Liquid Crystal Display
Product Specification
3-7. Power Sequence for Panel
90% 90%
Power Supply For LCD
VLCD 10% 10%
0V
T1 T7
Valid Data
T2 T5
30% Invalid Invalid
Interface Signal (Tx) Data Data
0V
T3 T4
Option Signal T8 T9
(ODC_select, MSTAR_select)
LED ON
Power for LED
Table 8. Power sequence
Values
Parameter Units
Min Typ Max
T1 0.5 - 10 ms
T2 0.5 - 50 ms
T3 500 - - ms
T4 200 - - ms
T5 0.01 - 50 ms
T7 1 - s
T8 0.5 - T2 ms
T9 0 - - ms
Notes :
1. Please VLCD power on only after connecting interface cable to LCD.
2. Please avoid floating state of interface signal at invalid period.
3. When the interface signal is invalid, be sure to pull down the power supply for
LCD VLCD to 0V.
4. LED power must be turn on after power supply for LCD an interface signal are valid.
5. If the on time of signals (Interface signal and Option signals) precedes the on time of Power(VLCD),
it will be happened abnormal display.
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Liquid Crystal Display
Product Specification
3-8. Power Sequence for Inverter
VBL
90%
Power Supply_VBL
0V 10%
T1
T2 T4
LED ON/OFF LED ON
LED OFF
T3
LED Dimmer
T5
Vin_typ
Vin_dip Vin_typ 0.2
Vin Dipping
0V
Table 9. Power Sequence
Values
Parameter Units Notes
Min. Typ. Max.
T1 10 - - ms
T2 200 - - ms
T3 - - 50 ms
T4 500 - - ms
T5 - - 10 ms
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Liquid Crystal Display
Product Specification
4. Optical Specification
Optical characteristics are determined after the unit has been `ON' for approximately 30 minutes
in a dark environment at 25 2 C. The values specified are at an approximate distance 50cm
from the LCD surface at a viewing angle of ) and T equal to 0 and aperture 1 degree.
FIG. 2 presents additional information concerning the measurement equipment and method.
Table 10. Optical characteristics
(Ta=25 2 C, VLCD=12V, fV=60Hz, CLK=134.25MHz, IOUT=105(G), 65(B)mA)
Values
Parameter Symbol Units Notes
Min Typ Max
Contrast Ratio CR (700) 1000 1
Surface Luminance, white LWH 280 350 cd/m2 2
Luminance Variation G WHITE 75 - - % 3
Luminance Uniformity
- - 1.7 TCO '6.0
(angular dependant)
Rise Time TrR - (6) 12 ms 4
Decay Time TrD - (6) 12 ms 4
Response Time
TGTG_AVR - (6) - ms 5
Gray To Gray
TGTG_MAX - 17 - ms 5
RED Rx (0.680)
Ry (0.310)
GREEN Gx (0.210)
Color Coordinates Gy Typ (0.700) Typ
[CIE1931] BLUE Bx -0.03 (0.147) +0.03
By (0.054)
WHITE Wx 0.313
Wy 0.329
RED Ru' (0.507)
Rv' (0.521)
GREEN Gu' (0.077)
Color Coordinates Gv' (0.574)
- -
[CIE1976] BLUE Bu' (0.175)
Bv' (0.145)
WHITE Wu' 0.198
Wv' 0.468
Horizontal TCST_H - 176 - degree 6
Color shift
Vertical TCST_V - 176 -
Viewing Angle (CR>10)
Horizontal TH 170 178 -
general degree 7
Vertical TV 170 178 -
Horizontal TGMA_H - 176 -
Effective degree 8
Vertical TGMA_V - 176 -
Gray Scale 2.0 2.2 2.4 9
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LM300WQ6
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Product Specification
Notes 1. Contrast Ratio(CR) is defined mathematically as : ( By PR880 )
Surface Luminance with all white pixels
Contrast Ratio
Surface Luminance with all black pixels
It is measured at center point(Location P1)
2. Surface luminance(LWH)is luminance value at center 1 point(1) across the LCD
surface 50cm from the surface with all pixels displaying white. For more information
see FIG 3.
3. The variation in surface luminance , G WHITE is defined as : ( By PR880 )
Minimum(L P1 , L P2 , }.. L P9 )
GWHITE u 100
Maximum (L P1 , L P2 , .... L P9 )
Where L1 to L9 are the luminance with all pixels displaying white at 9 locations.
For more information see FIG 3.
4. Response time is the time required for the display to transition from black to white
(Rise Time, TrR) and from white to black (Decay Time, TrD). For additional
information see FIG 4. (By RD-80S)
5. Gray to gray response time is the time required for the display to transition from
gray to gray. For additional information see Table 8. ( By PR880 )
6. Color shift is the angle at which the color difference is lower than 0.04.
For more information see FIG 5. ( By EZ Contrast )
- Color difference ( u'v')
4x 9y
u' v'
2 x 12 y 3 2 x 12 y 3
'u ' v' (u '1 u '2 ) 2 (v'1 v'2 ) 2 u'1, v'1 : u'v' value at viewing angle direction
u'2, v'2 : u'v' value at front ( =0)
- Pattern size : 25% Box size
- Viewing angle direction of color shift : Horizontal, Vertical
7. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles
are determined for the horizontal or x axis and the vertical or y axis with respect to
the z axis which is normal to the LCD surface. For more information see FIG 6.
( By PR880 )
8. Effective viewing angle is the angle at which the gamma shift of gray scale is lower
than 0.3. For more information see FIG 7 and FIG 8.
9. Gray scale specification
Gamma Value is approximately 2.2. For more information see Table 9.
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LM300WQ6
Liquid Crystal Display
Product Specification
Pritchard 880
LCD Module
Optical Stage(x,y) or equivalent
50cm
FIG. 2 Optical Characteristic Measurement Equipment and Method
Measuring point for surface luminance & measuring point for luminance variation.
H
H
H/2 H/10
H/2
2 3 4
V/2 V/2
V 5 6 V
1
V/10 7 8 9
Active Area H : 641.28 mm
V : 400.8 mm
@ H,V : Active Area
FIG. 3 Measure Point for Luminance
The response time is defined as the following figure and shall be measured by switching the
input signal for "black" and "white".
TrR TrD
100
90
Optical
Response
10
0 white
black black
FIG. 4 Response Time
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Liquid Crystal Display
Product Specification
The gray to gray response time is defined as the following figure and shall be measured by
switching the input signal for "Gray To Gray".
- Gray step : 5 step
- TGTG_AVR is the total average time at rising time and falling time for "Gray To Gray".
- TGTG_MAX is the max time at rising time or falling time for "Gray To Gray".
Table 8. Gray to gray response time table
Rising Time
Gray to Gray
G255 G191 G127 G63 G0
G255
G191
Falling Time G127
G63
G0
Color shift is defined as the following test pattern and color.
25% Box size