HITACHI LMG7525RPFF User Manual

RECORD OF REVISION

DATE SHEET No. SUMMARY

MAY.13.’98 7B64PS 2703

LMG7525RPFF-2
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7B64PS 2705­LMG7525RPFF-2
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7B64PS 2705­LMG7525RPFF-2
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7B64PS 2706­LMG7525RPFF-2
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7B64PS 2706­LMG7525RPFF-2
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7B64PS 2709­LMG7525RPFF-2
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(8) LCD
THE UPPER POLARIZER TYPE CHANGED.
ANTI – GLARE → GLARE

5.1 ELECTRICAL CHARACTERISTICS
RECOMMENDED LC DRIVING VOLTAGE CHANGED.
Ta=0°C, (24.1)V → 24.8V
Ta=25°C, (23.0)V → 23.8V
Ta=40°C, (21.6)V → 23.0V
NOTE 2 VDD-VEE=(23.0)V → 23.8V

5.2 ELECTRICAL CHARACTERISTICS OF BACKLIGHT
FREQUENCY CHANGED
70(TYP), 85(MAX) → 30(MIN)

6.1 OPTICAL CHARACTERISTICS
CONTRAST RATIO CHANGED
(8) (TYP) → 5 (TYP)

6.2 OPTICAL CHARACTERISTICS OF BACKLIGHT
BRIGHTNESS CHANGED

80.0 (MIN) , (100) (TYP) → 15 (MIN) , 26 (TYP)

9.1 DIMENSIONAL OUTLINE
DOT & VIEWING AREA MEASUREMENT CHANGED
(6.815) → 6.815+/-0.3

4.8+/-0.3 → (4.8)
(14.065) → 14.065+/-0.3

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD.

DATE MAY.13.’98 7B64PS 2710-LMG7525RPFF-2 PAGE 2-1/1

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3. MECHANICAL DATA

(1) PART NAME LMG7525RPFF
(2) MODULE SIZE 129.6(W)mm*92.6(H)mm*7.5(D)mm
(3) EFFECTIVE DISPLAY AREA 100.0 min * 75.5 min.
(4) DOT SIZE 0.285(W)mm*0.285(H)mm
(5) DOT PITCH 0.3 (W)mm * 0.3 (H)mm
(6) NUMBER OF DOTS 320 (W) * 240 (H)DOTS
(7) DUTY 1/240
(8) LCD FILM TYPE BLACK/WHITE (NEGATIVE TYPE)

THE UPPER POLARIZER IS GLARE TYPE
THE BOTTOM POLARIZER IS TRANSMISSIVE
TYPE.

(9) VIEWING DIRECTION 6 O’CLOCK
(10) BACK LIGHT COLD CATHODE FLUORESCENT LAMP
(11) WEIGHT 110g

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

DATE MAY.13.’98 7B64PS 2703-LMG7525RPFF-2 PAGE 3-1/1

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4. ABSOLUTE MAXIMUM RATINGS

4.1 ELECTRICAL ABSOLUTE MAXIMUM RATINGS. VSS=0V:STANDARD
ITEM SYMBOL MIN. MAX. UNIT COMMENT

POWER SUPPLY FOR LOGIC VDD-VSS 0 6.5 V
POWER SUPPLY FOR LC DRIVE VDD-VEE 0 27.5 V
INPUT VOLTAGE Vi -0.3 VDD+0.3 V NOTE 1
INPUT CURRENT Ii 0 1 A

NOTE 1 :DISP.OFF,FRAME,LOAD,CP,D0~D3.
NOTE 2 :.MAKE CERTAINS YOU ARE GROUNDED WHEN HANDLING LCM.

4.2 ENVIRONMENTAL ABSOLUTE MAXIMUM RATINGS.

I T E M OPERATING STORAGE COMMENT

MIN. MAX. MIN. MAX.

AMBIENT TEMPERATURE 0°C

NOTE6

HUMIDITY NOTE 1 NOTE 1 WITHOUT CONDENSATION

VIBRATION - (0.25G) - (1.2G) NOTE 4

SHOCK 29.4m/s

- (3G) - (50G) NOTE 5

CORROSIVE GAS NOT ACCEPTABLE NOT ACCEPTABLE

40°C -20°C 60°C NOTE 2,3

2.45m/s

2

11.76m/s

2

NOTE 5

2

490.0m/s2XYZ DIRECTIONS

NOTE 1 :Ta<=40°C:85%RH max.
Ta> 40°C:ABSOLUTE HUMIDITY MUST BE LOWER
THAN THE HUMIDITY OF 85%RH AT 40°C.
NOTE 2 :Ta AT -20°C ------ < 48HRS,AT 60°C ------< 168HRS.
NOTE 3 :BACKGROUND COLOR CHANGES SLIGHTLY DEPENDING ON AMBIENT
TEMPERATURE. THIS PHENOMENON IS REVERSIBLE.
NOTE 4 :5Hz~100Hz (EXCEPT RESONANCE FREQUENCY, X.Y.Z EACH DIRECTION
WITHIN 1 HOUR)
NOTE 5 :THIS MODULE SHOULD BE OPERATED NORMALLY AFTER FINISH
THE TEST.
NOTE 6 :HIGHER STARTING VOLTAGE OF CFL AND HEIGHER LCD DRIVING
VOLTAGE ARE NEEDED WHILE OPERATING AT 0°C. THE LIFE
TIME OF CFL WILL BE REDUCED WHILE OPERATING AT 0°C.
NEED TO MAKE SURE OF VALUE OF IL AND CHARACTERISTICS
OF INVERTER. ALSO THE RESPONSE TIME AT 0°C WILL BE
SLOWER.

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

DATE MAY.13.’98 7B64PS 2704-LMG7525RPFF-2 PAGE 4-1/1

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5.2 ELECTRICAL CHARACTERISTICS OF BACKLIGHT

I T E M SYMBOLMIN. TYP. MAX. UNIT UNIT

LAMP VOLTAGE VL - 300 - V Ta=25°C
FREQUENCY fL 30 - - KHz Ta=25°C
LAMP CURRENT IL 4 5 6 mA Ta=25°C
STARTING
DISCHARGE VOLTAGE

NOTE 1 :PLEASE CERTAINLY INFORM HITACHI BEFORE DESIGNING LAMP DRIVE
CIRCUIT ACCORDING TO THE ABOVE SPECIFICATIONS.
NOTE 2 :STARING DISCHARGE VOLTAGE IS INCREASED WHEN LCM IS OPERATING
AT LOWER TEMPERATURE.
PLEASE CHECK THE CHARACTERISTICS OF INVERTER BEFORE APPLING
TO YOUR SET.
NOTE 3 :AVERAGE LIFE TIME OF CFL WILL BE DECREASED WHEN LCM IS
OPERATINGAT LOWER TEMPERATURE.
NOTE 4 :UNDER LOWER DRIVING FREQUENCY OF THE INVERTER, A CERTAIN
BACKLIGHT (FROM CFL & CFL REELECTION SHEET) MAY GENERATE
SOUND NOISE. BEFORE DISIGNING THE INERTER, PLEASE CONSIDER
DRIVING FREQUENCY AND CHECK SOUND NOISE FROM THE BACKLIGHT
SYSTEM

VS

NOTE 2

(1000) - - V Ta=25°C

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

.

DATE MAY.13.’98 7B64PS 2705-LMG7525RPFF-2 PAGE 5-2/2

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5. ELECTRICAL CHARACTERISTICS

5.1 ELECTRICAL CHARACTERISTICS

I T E M SYMBOL CONDITION MIN. TYP. MAX. UNIT
POWER SUPPLY VOLTAGE
FOR LOGIC
POWER SUPPLY VOLTAGE
FOR LC DRIVING
INPUT VOLTAGE VI H LEVEL 0.8VDD - VDD V
NOTE 1 L LEVEL 0 - 0.2VDD V
POWER SUPPLY CURRENT
FOR LOGIC
NOTE 2
POWER SUPPLY CURRENT
FOR LC DRIVING
NOTE 2
RECOMMENDED Ta= 0°C , φ=10° - 24.8 - V
LC DRIVING VOLTAGE VDD-VEE Ta= 25°C , φ=10° - 23.8 - V
NOTE 3 Ta=40°C , φ=10° - 23.0 - V
FRAME FREQUENCY NOTE4 fFRAME - 70 - (140) Hz

VDD-VSS - 3.0 5.0 5.25 V

VEE-VSS - - -22.0 - V

VDD-VSS=5.0V

IDD

VEE-VSS=-22.0V

VDD-VSS=5.0V

IEE

VEE-VSS=-22.0V

- 8.0 - mA

- 6.0 - mA

NOTE 1 :DISP.OFF,FRAME,LOAD,CP,D0~D3.
NOTE 2 :fFRAME=75Hz,D0~UD3=0,1,0,1,…

VDD-VEE=23.8V,Ta=25°C
NOTE 3 :RECOMMENDED LC DRIVING VOLTAGE FLUCTUATE ABOUT ±1.0V

BY EACH MODULE.
TEST PATTERN IS ALL “Q” .

NOTE 4 :NEED TO MAKE SURE OF FLICKING AND RIPPLING OF DISPLAY
WHEN SETTING THE FRAME FREQUENCY IN YOUR SET.

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

DATE MAY.13.’98 7B64PS 2705-LMG7525RPFF-2 PAGE 5-1/2

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6. OPTICAL CHARACTERISTICS

φ

φ

φ

φ

NON-SELECTIVE STATE

(B2)

(B1)

BRIGHTNESS

BACKLIGH

LCD

SENSOR

BRIGHTNESS

6.1 OPTICAL CHARACTERISTICS Ta=25°C (BACKLIGHT ON)

ITEM SYMBOL CONDITION MIN. TYP. MAX. UNIT NOTE

VIEWING ANGLE φ2-φ1 K>=2.0 - 40 - deg 1,2
CONTRAST RATIO K φ=10° θ=0° - 5 - - 3

RESPONSE TIME

(MEASURE CONDITION BY HITACHI)

NOTE 1.DEFINITION OF θ AND φ NOTE 3.DEFINITION OF CONTRAST “K”

(NORMAL)
y(θ=180°)

φ2

φ1

tr φ=10° θ=0° - 250 - ms 4
tf φ=10° θ=0° - 350 - ms 4

BRIGHTESS ON NON-SELECTED DOT (B2)

K=

BRIGHTESS ON SELECTED DOT (B1)

(B1)

(Di=”L”)

X

X’

y'(θ=0°)

VIEWING DIRECTION)

NOTE 2.DEFINITION OF VIEWING ANGLE
φ1 AND φ1

.

K

1<10°<φ2

2.0
1

2

CONTRAST RATIO K VS
VIEWING ANGLE

NOTE 4.DEFINITION OF OPTICAL RESPONSE

φ=10°

(B2)

(Di=”H”)

OPERATING VOLTAGE

NON-SELECTIVE STATE

100%

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

SELECTIVE STATE

90%

tr

RISE TIME

FALL TIME

10%

tf

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DATE MAY.13.’98 7B64PS 2706-LMG7525RPFF-2 PAGE 6-1/2

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6.2 OPTICAL CHARACTERISTICS OF BACKLIGHT

Y=60

Y=160

Y=240

X=60

X=120

X=180

P1P4P7P2P3P5P6P8P9

(LCM,BACKLIGHT ON,Ta=25°C)

ITEM MIN. TYP. MAX. UNIT NOTE

IL=5mA

BRIGHTNESS 15 25 - cd/m

RISE TIME - 5 ­BRIGHTNESS

UNIFORMITY

CFL : INITAL , Ta=25°C , VDD-VEE=23.8V
DISPLAY DATA SHOULD BE ALL “ON” .

NOTE 1 MEASUREMENT AFTER 10 MINUTES OF CFL OPERATING.

NOTE 2 BRIGHTNESS CONTROL :100%

NOTE 3 MEASUREMENT OF THE FOLLOWING 9 PLACES ON THE DISPLAY.
DEFINITION OF THE BRIGHTNESS TOLERANCE.

- - +/-30 %

MINUTE IL=5mA

2

NOTE 1,2

BRIGHTNESS 80%
UNDERMENTIONED
NOTE 1,3

MAX BRIGHTNESS OR MIN BRIGHTNESS - AVERAGE BRIGHTNESS

( ) * 100

KAOHSIUNG HITACHI
ELECTRONICS CO.,LTD

AVERAGE BRIGHTNESS

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DATE MAY.13.’98 7B64PS 2706-LMG7525RPFF-2 PAGE 6-2/2

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