DV4230 Densitron Corporation, DV4230 Datasheet

DV4230

Manufacturer Part Number

DV4230

Description

1102 x 50 LCD module - COG type

Manufacturer

Densitron Corporation

Datasheet

1.DV4230.pdf (12 pages)

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These drawings and specifications are

the property of DV3 Displays Ltd and

may not be reproduced, copied or used

without written permission

Notes: (unless otherwise specified)

Dimensions are mm

Unless otherwise

Tolerances are:

0.XX =

0.X = 0.5

Specification subject to change without notice.

All dimensions and specifications apply to standard modules. This information may vary for modules with optional

features.

All dimensions are in millimetres.

Precautions: These precautions apply equally to modules from all makers, not just Densitron. Violation of these

guidelines may void the warranty and can cause problems ranging from erratic operation to catastrophic display

failure.

specified:

X = 3

Handling precautions:

Power supply precautions:

Operating precautions:

Mechanical / Environmental precautions:

0.05

This device is susceptible to Electro-Static Discharge (ESD) damage. Observe Anti-Static precautions.

Identify and, at all times, observe absolute maximum ratings for both logic and LC drivers. Note that there is some

variance between models.

Prevent the application of reverse polarity to VDD and VSS, however briefly.

Use a clean power source free from transients. Power up conditions are occasionally “jolting” and may exceed the

maximum ratings of the module.

The +5V power of the module should also supply the power to all devices that may access the display. Don’t allow

the data bus to be driven when the logic supply to the module is turned off.

DO NOT install a capacitor between the VO (contrast) pin and ground. VDD must, at all times, exceed the VO voltage

level. The capacitor combines with the contrast potentiometer to form an R-C network which “holds -up” VO, at power-

down, possibly damaging the module.

DO NOT plug or unplug the module when the system is powered up.

Minimise the cable length between the module and host MPU. (Recommended max. length 30 cm).

For models with EL backlights, do not disable the backlight by interrupting the HV line. Unloaded inverters produce

voltage extremes that may arc within a cable or at the display.

Operate the module within the limits of the modules temperature specifications.

Improper soldering is the major cause of module difficulty. Use of flux cleaner is not recommended as they may seep

under the elastomeric connection and cause display failure. Densitron recommends the use of Kester “245” no-clean

solder.

Mount the module so that it is free from torque and mechanical stress.

Surface of LCD panel should not be touched or scratched. The display front surface is an easily scratched, plastic

polariser. Avoid contact and clean only when necessary with soft, absorbent cotton dampened with petroleum

benzene.

ALWAYS employ anti-static procedure while handling the module.

Prevent moisture build-up upon the module and observe the environmental constraints for storage temperature and

humidity.

DO NOT store in direct sunlight.

If leakage of the liquid crystal material should occur, avoid contact with this material, particularly ingestion. If the body

or clothing becomes contaminated by the liquid crystal material, wash thoroughly with water and soap.

DRAWN

CHECKED

ISSUED

APPROVALS

DATE

REV.

DV3 Displays Ltd

Europe: +44 1959 542000

TITLE: 1102x50 LCD module - COG type

DWG.NO.

www.dv3displays.com

USA: +1 562 941 5000

Asia: +81 33767 9701

DV4230DV5521

DESCRIPTION

DV3 Displays Ltd

BIGGIN HILL, ENGLAND

REVISIONS

DATE

SHEET 1 of 8

APPROVED

Related parts for DV4230

DV4230 Summary of contents

Page 1

... Tolerances are: CHECKED 0.X = 0.5 ISSUED 0.XX = 0.05 REV. DESCRIPTION DV3 Displays Ltd www.dv3displays.com Europe: +44 1959 542000 USA: +1 562 941 5000 Asia: +81 33767 9701 DATE DV3 Displays Ltd TITLE: 1102x50 LCD module - COG type DV4230DV5521 DWG.NO. REVISIONS DATE BIGGIN HILL, ENGLAND APPROVED SHEET ...

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DV4230 Densitron Corporation, DV4230 Datasheet

DV4230

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