Datasheet LQ0DDB0004 Datasheet (Sharp)

} PREPARED BY : DATE 1 1 SPEC No.

FILE No.

SHARF=

TFT LIQUID CRYSTAL DISPLAY GROUP
SHARP CORPORATION APPLICABLE GROUP

CDCPTCTPATTnhl

DEVICE SPECIFICATION FOR

ISSUE :

PAGE : 7 pages

TFT LIQUID CRYSTAL DISPLAY
GROUP

LCY-99050

April. 19. 1999

I

MODEL No. L Q 0

0 CUSTOMER'S APPROVAL

DATA

LAMP UNIT

:

D D B 0 0 0 4

DEPARTMENT GENERAL MANAGER
DEVELOPMENT ENGINEERING DEPT.11

TFT DIVISION I
TFT LIQUID CRYSTAL DISPLAY GROUP

SHARP CORPORATION

SHARI=

> These specification sheets are the proprietary product of SHARP CORPORATION

(SHARP) and include materials protected under copyright of SHARP. Do not
reproduce or cause any third party to reproduce them in any form or by any means,
electronic or mechanical, for any purpose, in whole or in part, without the express

written permission of SHARP.

> The device listed in these specification sheets was designed and manufactured for use

_--_

ink A equipment.

> In case of using the device for applications such as control and safety equipment for

transportation (aircraft, trains, automobiles, etc. ), rescue and security equipment and
various safety related equipment which require higher reliability and safety, take into

consideration that appropriate measures such as fail-safe functions and redundant

system design should be taken.

LCY99050- 1

> Do not use the device for equipment that requires an extreme level of reliability, such

as aerospace applications, telecommunication equipment(trunk lines), nuclear power
control equipment and medical or other equipment for life support.

> SHARP assumes no responsibility for any damage resulting born the use of the

device which does not comply with the instructions and the precautions specified in
these specification sheets.

Contact and consult with a SHARP sales representative for any questions about this
device.

SHARP

(1) Subject
This literature is applied for LQODDB0004 which is the lamp unit for 21cm (8.4”) TIT-LCD module.

(2) Introduction
This backlight unit is a service part for 21cm TFT-LCD module (LQO84VlDG21) of which backlight
is designed to be replaceable and exactly same as originally installed one for above model.

(3) Construction and Outline
The unit is composed of cold cathode fluorescent tubes, I/O wires (including connectors),
and lamp holders.

* Outline drawing of lamp unit : See Fig. 1.

(4) Input / Output terminals

4-1) I/O terminal order

Table 1

LCY99050- 2

Pin No. Symbol i/o

1 VHIGH i
2
3 VLOW i Power supply for lamp (Low voltage side)

4-2) I/O connector

1) Installed socket housing

2) Mating connector ; SM02(&0)B-BHS

(5) Electrical characteristics

The characteristics of single lamp are shown in the following table 2.

NC -

Power supply for lamp (High voltage side)

No connection

; BHR-03VS-1

( produced by Japan Solderless Terminal )

Description

Table 2

[NotellAvailable current range considering light-adjustment.
[Note21 Calculated value for reference.

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[Note31 Since lamp is consumable, the life time written above is referential value and it is not

guaranteed in this specification sheet by SHARP.
Lamp life time is defined that it applied either 1 or 2 under this condition.
(Continuous turning on at Ta=25”C, ?3”C,ILr6mArms)

1. Brightness becomes 50% of the original value under standard condition.

2. Kick-off voltage at Ta=O”C exceeds maximum value, 1500 Vrms.

(6) Optical characteristics

Table 3

Parameter Symbol MIN. TYP. MAX. unit Remarks

LCY99050- 3

Luminance YL - 28,000 ­Chromaticity X

Y j 0.245 0.255 0.265

Above value is the characteristics of the lamp itself with the inverter

(7) Environmental condition
Followingfemperature ranges indicate ambient condition to be guaranteed by SHARP for the LCD
module LQ084VlDC21 which the lamp unit is incorparated.

Storage temperature range Tstg
Operating temperature range (Ambient) Topa

(Note11 Humidity: 95%RH Max.(Ta 540°C)

- ____------

Item S ymbo 1 Temperature Unit Remarks

Maximum wet-bulb temperature at 39°C or less.(Ta>40”C)
No condensation.

0.278

0.288 0.298 . (Tentative Value)

Table 4

cd/m2 1~=6.OmA

-25 -.-t70

0 _ +.55 “C

“C

(Note11

SHARP

LCY99050- 4

198.620.5

54t 10

*

Fig,. 1. Outline drawing of Lamp unit

SHARP

(8) Procedure to exchange Lamp unit

Lamps for the LCD module can be worn out, so please replace them to new lamps when needed in
accordance with the following. Please make sure that power is off before you replace them to
prevent you from getting an electrical shock. Please insert the lamp with care while replacing. Please
be careful for any dust goes in.

0 Remove 2 screws which holds the Lamp unit. (refer to Fig. 2)
@ Slide the Lamp unit to the “B” direction.
0 Remove the Lamp unit. (“C’direction)

@ Replace the new Lamp unit to the

(refer to Fig.3)

@ Tighten the 2 screws to lix the Lamp unit along the screw gap of. hole. The screw torque

should be maximum 1.6kgf * cm.
be destroyed. Please be careful.

@ Please insert the lamp with care while replacing. Please be careful for any dust that goes in.

Please make sure that the lamp unit is in all the way.

“ D “direction and slide the unite to the “E” direction.

If you tighten the screw over 1.6kgf.cm, the screw should

LCY99050- 5

w

Fig. 2. Procedure to exchange Lamp unit.

LCY99050- 6

Fig. 3. Procedure to exchange Lamp

unit

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(9) Packing form

Packing form is shown in Fig.4 (Total Weight: 2,860 g)

(10) Others

10-l) It shaII be informed before with attachment of the Quality/ reliability data if any changes of

design, process, or management system occurs.

10-2) If any problems occurs in relation to the description in the present specitications or other

relevant items, it shall be eliminated in all sincerity through discussion.

LCY99050- 7

Fig.4.Packing form