DMC-20171H-LY - Optrex Corporation

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 1/16

OPTREX

Type No.

*******

Sep 2, 1999

First Edition

Final Revisi on

Quality A ssurance Di v.

Product i on Di v.

Checked by

Approved by

Product i on Di v.

Design Engi neeri ng Di v.

Prepared by

LCD Module Specification

ＤＭＣ２０１７１Ｈ－ＬＹ

ＤＭＣ２０１７１Ｈ－ＬＹＤＭＣ２０１７１Ｈ－ＬＹ

ＤＭＣ２０１７１Ｈ－ＬＹ

Table of Cont ent s

1. General Specifications .............................................................................2

2. Electrical Specifications...........................................................................3

3. Optical Specifications..............................................................................6

4. I/O Terminal.............................................................................................8

5. Test..........................................................................................................10

6. Appearance Standards............................................................................11

7. Code System of Production Lot ..........................................................14

8. Type Number..........................................................................................14

9. Applying Precautions.............................................................................14

10. Precautions Relating Product Handling................................................15

11. Warranty..................................................................................................16

Revision History

Rev. Date Page Comment

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 2/16

OPTREX

1. General Specifications

Operating Temp . ： min. -20℃ ～ max. 70℃

Storage Temp. ： min. -30℃ ～ max. 80℃

Display Format ： 20 characters × 1 lines

Display Fonts ： 5 × 7 dots ＋ cursor ( 1 character )

Viewing Area ： 154.0 (W) × 15.3 (H) mm

Outline Dimensions ： 182.0 (W) × 33.5 (H) × (14.35) (D) mm

Weight ： 110g max.

LCD Type ： FTD-7264

( TN / Clear / Transmissive )

Viewing Angle ： 6:00

Backlight ： LED Backlight / Yellow-green

Drawings ： Dimensional Outline UE-32425F

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 3/16

OPTREX

2.Electrical Specifications

2.1.Absolute Maximum Ratings VSS=0V

Parameter Symbol Conditions Min. Max. Units

Supply Voltage

(Logic)

VCC-VSS － -0.3 7.0 V

Supply Voltage

(LCD Drive)

VCC-VEE － 0 13.0 V

Input Voltage VI － -0.3 VCC+0.3 V

2.2.DC Characteristics Ta=25℃, VSS=0V

Parameter Symbol Conditions Min. Typ. Max. Units

Supply Voltage

(Logic)

VCC-VSS － 4.5

－ 5.5 V

Supply Voltage

(LCD Drive)

VCC-VEE Shown in 3.1 V

High Level

Input Voltage

VIH V

CC=5.0V±10% 2.2 － V

CC V

Low Level

Input Voltage

VIL V

CC=5.0V±10% -0.3 － 0.6 V

High Level

Output Voltage

VOH I

OH=-0.205mA 2.4

－－ V

Low Level

Output Voltage

VOL I

OL=1.2mA －－ 0.4 V

ICC V

CC-VSS=5.0V － 2.0 3.5 mA

Supply Current IEE V

CC-VEE=6.4V － 1.0 2.0 mA

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 4/16

OPTREX

2.3.AC Characteristics VCC=5.0V±10%

Parameter Symbol Conditions Min. Max. Units

Enable Cycle Time tCYC Fig.1, 2 500 － ns

Enable Pulse Width PWEH Fig.1, 2 230 － ns

Enable Rise/Fall Time tEr, tEf Fig.1, 2 － 20 ns

Address Setup Time tAS Fig.1, 2 40 － ns

Address Hold Time tAH Fig.1, 2 10 － ns

Write Data Setup Time tDSW Fig.1 80 － ns

Write Data Hold Time tDHW Fig.1 10 － ns

Read Data Delay Time tDDR Fig.2 － 160 ns

Read Data Hold Time tDHR Fig.2 5 － ns

Fig.1 Write Operation Timing

Fig.2 Read Operation Timing

R/W

VIH

VIL

PWEH

VIL

tCYC

tErtEf

tDSW tDHW

tAH

tAS

VIL

DB0～DB7 Valid Data

VIH

VIL

VIH

VIL VIH VIL

VIL

VIH

VIL VIH

VIL

R/W VIH

VIH

PWEH

tDDR

tEf

tCYC

tDHR

tEr

tAH

tAS

VIL

DB0～DB7 Valid Data

VIH

VIL

VIH

VIL VIH VIL

VIL

VOH

VOL VOH

VOL

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 5/16

OPTREX

2.4.Lighting Specifications

2.4.1.Absolute Maximum Ratings Ta=25℃

Parameter Symbol Conditions Min. Typ. Max. Units

Foward Current IF Note 1

－－ 500 mA

Revers e Voltage VR －－－ 8 V

LED Power Dissipation PD －－－ 2.1 W

Note 1 : Refer to the foward current derating curve.

2.4.2.Operating Characteristics Ta=25℃

Parameter Symbol Conditions Min. Typ. Max. Units

Foward Voltage VF I

F=250mA 3.8 4.1 4.4 V

Luminance of

Backlight Surface

L IF=250mA 45

－－ cd/㎡

7025-20 Ta

(

℃

)

125

500

IF (mA)

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 6/16

OPTREX

3.Optical Specifications

3.1.LCD Driving Voltage

Parameter Symbol Conditions Min. Typ. Max. Units

Recommended Ta= -20℃ －－ 7.9 V

LCD Driving Voltage VCC-VEE Ta=25℃ 6.0 6.4 6.8 V

Note 1 Ta=70℃ 4.9

－－ V

Note 1 : Voltage (Applied actual waveform to LCD Module) for the best contrast. The range of

minimum and maximum shows tolerance of the operating voltage. The specified contrast ratio and

response time are not guaranteed over the entire range.

3.2.Optical Characteristics Ta=25℃, 1/8 Duty, 1/4 Bias, VD=6.4V (Note 4), θ=10 ﾟ, φ=270 ﾟ

Parameter Symbol Conditions Min. Typ. Max. Units

Contrast Ratio Note 1 CR θ=20 ﾟ, φ=270 ﾟ－ 4.5 －

Viewing Angle Shown in 3.3

Response Rise

Note 2 TON －－ 80 160 ms

Time Decay Note 3 TOFF －－ 35 70 ms

Note 1 : Co ntrast ratio is d efinded as follows.

CR = LOFF / LON CR = LON / LOFF

LON : Luminance of the ON segments

LOFF : Luminance of the OFF segments

Note 2 : The time that the luminance level reaches 90% of the saturation level from 0% when ON

signal is applied.

Note 3 : The time that the luminance level reaches 10% of the saturation level from 100% when OFF

signal is applied.

Note 4 : Definition of Driving Voltage VD

Assuming that the typical driving waveforms shown below are applied to the LCD Panel at

1/A Duty - 1/B Bias ( A : Duty Number, B : Bias Number ). Driving voltage VD is definded

as follows.

VD = (Vth1+Vth2) / 2

Vth1 : The voltage VO-P that should provide 50% of the satulation level in the luminance

measured atθ= 10 ﾟ, φ=270 ﾟon the segment which the ON signal is applied to.

Vth2 : The voltage VO-P that should provide 26% of the satulation level in the luminance

measured atθ= 40 ﾟ, φ=270 ﾟon the segment which the OFF signal is applied to.

VO-P

1 / fF

(

B-2

)

×VO-P / B

1 /

(

fF×A

)

〈OFF SIGNAL〉

〈ON SIGNAL〉

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 7/16

OPTREX

3.3.Definition of Viewing Angle and Optimum Viewing Area

･Point ● shows the point where contrast ratio is measured. : θ= 0 ﾟ, φ=－ﾟ

･Driving condition : 1/8 Duty, 1/4 Bias, VD=6.4V, fF=70Hz

･Area shows typ. CR

≧2

3.4.System Block Diagram

270 ﾟ

0ﾟ

90 ﾟ

180 ﾟ

270 ﾟ

135 ﾟ

315 ﾟ

225 ﾟ

45 ﾟ

180 ﾟ

90 ﾟ

(φ= 0 ﾟ）

10 20 30 40 50

Halogen bulb

Computer

Rotation Table (θ,φ)

Temperature Chamber

LCD

Optical Fiber

Waveform Generator

Control Unit &

#1980A WB

Photometer

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 8/16

OPTREX

4.I/O Terminal

4.1.Pin Assignment

No. Symbol Level Function

1 V

SS － Power Supply (0 V, GND)

2 V

CC － Power Supply for Logic

3 V

EE － Power Supply for LCD Drive

4 RS H / L Register Select Signal

5 R/W H / L Read/Write Select Signal H : Read L : Write

6 E H / L Enable Signal (No pull-up Resister)

7 DB0 H / L Data Bus Line / Non-connection at 4-bit operation

8 DB1 H / L Data Bus Line / Non-connection at 4-bit operation

9 DB2 H / L Data Bus Line / Non-connection at 4-bit operation

10 DB3 H / L Data Bus Line / Non-connection at 4-bit operation

11 DB4 H / L Data B us Line

12 DB5 H / L Data B us Line

13 DB6 H / L Data B us Line

14 DB7 H / L Data B us Line

15 A － LED Anode Terminal

16 K － LED Cathode Terminal

4.2.Example of Power Supply

It is recommended to apply a potentiometer for the contrast adjust due to the tolerance

of the driving voltage and its temperature dependence.

MODULE

VCC

VEE

VSS

VEE (-Voltage)

VCC (+Voltage)

VR=10～20KΩ

VSS (0V)

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 9/16

OPTREX

4.3.Block Diagram

～

R/W

Control LSI

or equivalent

HD44780

L C D P

20 characters × 1 lines

C olumn Driv e r

LED Backlight

or equivalent

LC7930N × 2

DB7

DB0

SEG 40 SEG 60

COM 8

VEE

VSS

VCC

To LSIBias Circuit

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 10/16

OPTREX

5.Test

No change on display and in operation under the following test condition.

No. Parameter Conditions Notes

1 High Temperature Operating 70℃±2℃, 96hrs (operation state)

2 Low Temperature Operating -20℃±2℃, 96hrs (operation state) 3

3 High Temperature Storage 80℃±2℃, 96hrs 4

4 Low Temperature Storage -30℃±2℃, 96hrs 3, 4

5 Damp Proof Test 60℃±2℃, 85～90%RH, 96hrs 3, 4

6 Vibration Test Total fixed amplitude : 1.5mm 5

Vibration Frequency : 10～55Hz

One cycle 60 seconds to 3 directions of X, Y, Z for

each 15 minutes

7 Shock Test To be measured after dropping from 60cm high on

the concrete surface in packing state.

Note 1 : Unless otherwise specified, tests will be conducted under the following condition.

Temperature : 20±5℃

Humidity : 65±5%

Note 2 : Unless otherwise specified, tests will be not co nducted under functioning state.

Note 3 : No dew condensation to be observed.

Note 4 : The function test shall be conducted after 4 hours storage at the normal temperature and humidity

after removed from the test chamber.

Note 5 : Vibration test will be conducted to the prod uct itself without putting it in a container.

GDC

60cm

C o ncrete S urface

Dropping method corner dropping

E,F,G face : once

B,C,D edge : once

A corner : once

Face dropping

Edge drop ping

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 11/16

OPTREX

6.Appearance Standards

6.1.Inspection conditions

The LCD shall be inspected under 40W white fluorescent light.

The distance between the eyes and the sample shall be more than 30cm.

All directions for inspecting the sample should be within 45 ﾟagainst perpendicular line.

6.2.Definition of applicable Zones

A Zone : Active display area

B Zone : Area from outside of "A Zone" to validity viewing area

C Zone : Rest parts

A Zone + B Zone = Vali dity viewing area

A Zone

B Zone

C Zone

Bezel Flame

45ﾟ

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 12/16

OPTREX

6.3.Standards

No. Parameter Criteria

1 Black and (1) Round Shape

White Spots, Zone Acceptable Number

Fore i gn Substance s Dimension ( mm) A B C

D ≦ 0.1 * * *

0.1

＜ D ≦ 0.2 5 5 *

0.2

＜ D ≦ 0.3 0 1 *

0.3

＜ D 0 0 *

D = ( Long + Short ) / 2 * : Disregard

(2) Line Shape

Zone Acceptable Number

X(mm) Y(mm) A B C

－ 0.02≧W * * *

2.0≧L 0.03≧W 3 3 *

1.0≧L 0.04≧W 1 2 *

1.0≧L 0.05≧W 0 2 *

－ 0.05＜W In the same way (1)

X : Length Y : Width * : Disregard

Total defects shall not exceed 5.

2 Air Bubbles

(between glass Zone Acceptable Numb er

& polari zer) Dimension (mm) A B C

D ≦0.15 * * *

0.15＜ D ≦0.3 2 3 *

0.3

＜ D ≦0.5 1 2 *

0.5

＜ D ≦1.0 0 1 *

* : Disregard

Total defects shall not exceed 3.

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 13/16

OPTREX

No. Parameter Criteria

3 The Shape of Dot (1) Dot Shape (with Dent)

As per the sketch of left hand.

(2) Dot Shape (with Projection)

Should not be connec t ed to next do t.

(3) Pin Hole

(X+Y) / 2≦0.2mm

(Less than 0.1mm is no counted.)

Total defects shall not exceed 5.

4 Polarizer Scratches Not to be conspicuous defects.

5 Polarizer Dirts If the stains are removed easily from LCDP surface, the module is not

defective.

6 Color Variation Not to be conspicuous defects.

0.15≧

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 14/16

OPTREX

7.Code System of Production Lot

The production lot of module is specified as follows.

□ □ □ □ □ □

Factory Number (Numeral)

Factory Code (Alphabet)

Production Week (1～5)

Pr oduct ion Month (1～9, X, Y, Z)

Production Year (Lower 2 digits)

8.Type Number

The type number of module is specified on the back of module as follows.

ＤＭＣ２０１７１Ｈ－ＬＹ

Stamp

Etchi ng or Printing

9.Applying Precautions

Please contact us when questions and/or new problems not specified in this specifications arise.

DMC20171H-LY (AD) No.99-0290 OPTREX CORPORATION Page 15/16

OPTREX

10.Precautions Relating Product Handling

The Following precautions will guide you in handling our product correctly.

1) Liquid crystal display devices

① The liquid crystal display device panel used in the liquid crystal display module is made of plate

glass. Avoid any strong mechanical shock. Should the glass break handle it with care.

② The polarizer adhering to the surface of the LCD is made of a soft material.

Guard against scratching it.

2) Care of the liquid crystal display module against static electricity discharge.

① When working with the module, be sure to ground your body and any electrical equipment you may

be using. We strongly recommend the use of anti static mats ( made of rubber ), to protect work

tables against the hazards of electrical shock.

② Avoid the use of work c lothing made of synthetic fibers. We recommend co t ton clothing or othe r

conductivity-treated fibers.

③ Slowly and carefully remove the protective film from the LCD module, since this operation can

generate static electricity.

3) When the LCD module alone must be stored for long periods of time:

① Protect the modules from high temperature and humidity.

② Keep the modules out of direct sunlight or direct exposure to ultraviolet rays.

③ Protect the modules from excessive external forces.

4) Use the module with a power supply that is equipped with an overcurrent protector circuit,

since the module is not provided with this protective feature.

5) Do not ingest the LCD fluid itself should it leak out of a damaged LCD module. Should hands

or clothing come in contact with LCD fluid, wash immediately with soap.

6) Conduc1tivity is not guaranteed for models that use metal holders where solder connections

between the metal holder and the PCB are not used. Please contact us to discuss appropriate

ways to assure conductivity.

7) For models which use CFL:

① High voltage of 1000V or greater is applied to the CFL cable connector area.

Care should be taken not to touch connection areas to avoid burns.

② Protect CFL cables from rubbing against the unit and thus causing the wire jacket to become worn.

③The use of CFLs for extended periods of time at low temperatures will significantly shor ten their

service life.

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OPTREX

8) For models which use touch panels:

①Do not stack up modules since they can be damaged by components on neighboring modules.

②Do not place heavy objects on top of the product. This could cause glass breakage.

9) For models which use COG,TAB,or COF:

①The mechanical strength of the product is low since the IC chip faces out unprotected from the rear.

Be sure to protect the rear of the IC chip from external forces.

②Given the fact that the rear of the IC chip is left exposed, in order to protect the unit from electrical

damage, avoid installation configurations in which the rear of the IC chip runs the risk of making

any electrical contact.

10) Models which use flexible cable, heat seal, or TAB:

①In order to maintain reliability, do not touch or hold by the connector area.

②Avoid any bending, pulling, or other excessive force, which can result in broken connections.

11.Warranty

This product has been manufactured to your company’s specifications as a part for use in your company’s

general electronic products. It is guaranteed to perform according to delivery specifications. For any other

use apart from general electronic equipment, we cannot take responsibility if the product is used in medical

devices, nuclear power control equipment, aerospace equipment, fire and security systems, or any other

applications in which there is a direct risk to human life and where extremely high levels of reliability are

required. If the product is to be used in any of the above applications, we will need to enter into a separate

product liability agreement.

① We cannot accept responsibility for any defect, which may arise from additional manufacturing of

the product (including disassembly and reassembly), after product delivery.

② We cannot accept responsibility for any defect, which may arise after the application of strong

external force to the product.

③ We cannot accept responsibility for any defect, which may arise due to the application of static

electricity after the product has passed your company’s acceptance inspection procedures.

④ When the product is in CFL models, CFL service life and brightness will vary according to the

performance of the inverter used, leaks, etc. We cannot accept responsibility for product

performance, reliability, or defect, which may arise.

⑤ We cannot accept resp onsibility for industrial property, which may arise through the use of your

product, with exception to those issues relating directly to the structure or method of

manufacturing of our product.

⑥ Optrex will not be held responsible for any quality guarantee issue for defect products judged as

Optrex-origin longer than 2 (two) years from Optrex production or 1(one) year from Optrex, Optrex

America, Optrex Europe, Display LC delivery which ever comes later.