Datasheet Lcd 20x4

Winstar Display Co., LTD

華凌光電股份有限公司

住址 : 407 台中市中清路 163 號 No.163 Chung Ching RD., Taichune, Taiwan, R.O.C

WEB: http://www.winstar.com.tw E-mail: [email protected] Tel:886-4-24262208 Fax：886-424262207

SPECIFICATION CUSTOMER : MODULE NO.:

WX320240A-WFH-TS

APPROVED BY: ( FOR CUSTOMER USE ONLY )

SALES BY

APPROVED BY

CHECKED BY

ISSUED DATE:

Page 1 of 16

PREPARED BY

Contents 1.Module classification information 2.Precautions in Use of LCM 3.General Specification 4.Absolute Maximum Ratings 5.Electrical Characteristics 6.Optical Characteristics 7.Power Supply for LCD Module 8.Contour Drawing & Block Diagram 9.Interface Pin Function 10.Timing Characteristics 11.Quality Assurance 12.Reliability 13. Backlight Information

Page 2 of 16

1.Module Classification Information 　　W X 　　

3 2 0 2 4 0　A －W F H -TS 

  

 Brand：WINSTAR DISPLAY CORPORATION  Display Type：H→Character Type, G→Graphic Type,.X→Tab Type  Display Font：320 * 240 Dots  Model serials number  Backlight Type：

N→Without backlight B→EL, Blue green

A→LED, Amber

D→EL, Green

R→LED, Red

W→EL, White

O→LED, Orange

F→CCFL, White

G→LED, Green

Y→LED, Yellow Green  LCD Mode：

B→TN Positive, Gray

T→FSTN Negative

N→TN Negative, G→STN Positive, Gray Y→STN Positive, Yellow Green M→STN Negative, Blue F→FSTN Positive  LCD Polarizer Type/ A→Reflective, N.T, 6:00 Temperature range/ D→Reflective, N.T, 12:00 View direction G→Reflective, W. T, 6:00

H→Transflective, W.T,6:00

J→Reflective, W. T, 12:00

C→Transmissive, N.T,6:00

B→Transflective, N.T,6:00

F→Transmissive, N.T,12:00

E→Transflective, N.T.12:00

I→Transmissive, W. T, 6:00

K→Transflective, W.T,12:00

L→Transmissive, W.T,12:00  Special Code

TS: Touch Panel

Page 3 of 16

2.Precautions in Use of LCD Module (1) Avoid applying excessive shocks to the module or making any alterations or modifications to it. (2) Don’t make extra holes on the printed circuit board, modify its shape or change the components of LCD Module. (3) Don’t disassemble the LCM. (4) Don’t operate it above the absolute maximum rating. (5) Don’t drop, bend or twist LCM. (6) Soldering: only to the I/O terminals. (7) Storage: please storage in anti-static electricity container and clean environment.

3.General Specification ITEM

STANDARD VALUE

UNIT

Number of dots

320x240

dots

Outline dimension

92.2(W)x 73.3(H)x 7.8max(T)

mm

View area

81.4(W)x 62.2(H)

mm

Active area

76.78(W)x 57.58(H)

mm

Dot size

0.225(W)x 0.225(H)

mm

Dot pitch

0.24(W)x 0.24(H)

mm

LCD type

FSTN, positive, transflective

View direction

6 o’clock

Backlight

EL, White

Page 4 of 16

4.Absolute Maximum Ratings ITEM

SYMBOL MIN. TYP. MAX.

UNIT

Operating Temperature

TOP

-20

－

+70

℃

Storage Temperature

TST

-30

－

+80

℃

Input Voltage

VI

0

－

VDD

V

Supply Voltage For Logic

VDD

0

－

3.5

V

Supply Voltage For LCD

VEE-VSS

0

－

26

V

5.Electrical Characteristics ITEM Logic Voltage Supply Voltage For LCD

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

VDD-VSS

－

2.7

3.0

3.3

V

Ta= -20℃

－

－

23.6

V

Ta=25℃

－

21.6

－

V

Ta=+70℃

19.6

－

－

V

VEE-VSS

Input High Volt.

VIH

－

0.7VDD

－

VDD

V

Input Low Volt.

VIL

－

0

－

0.3VDD

V

Output High Volt.

VOH

－

2.4

－

－

V

Output Low Volt.

VOL

－

－

－

0.4

V

IDD

－

－

－

2.0

mA

IEL

－

－

－

30

mA

IEE

－

－

－

3.0

mA

Supply Current

Page 5 of 16

6.Optical Characteristics ITEM

SYMBAL CONDITION MIN

View Angle Contrast Ratio Response Time

TYP

MAX

UNIT

(V)θ

CR≧2

10

－

120

deg.

(H)φ

CR≧2

-45

－

45

deg.

CR

－

－

5

－

－

T rise

－

－

200

300

ms

T fall

－

－

150

200

ms

6.1　Definitions ■View Angles　　　　　　　　　　　　　　 ■Contrast Ratio ( Visual angle direction )

B rightness at selected state ( B S ) B righ tness at non-selected state ( B ns ) Selected state CR =

φ

X

Brightness ( %)

Z

N on -selected state

Bs B ns

Y

θ

O p erating voltage fo r L C D driv in g

　 ■Response time Nonselected Condition

Selected Condition

Nonselected Condition

100 %

Brightness

90 % 10 %

tr

td

Rise Time

Decay Time ( fall time tf )

Page 6 of 16

7.Power Supply for LCD Module VSS VEE

VR 10K Ω

LCM

3.3V +30V VDD

Page 7 of 16

8.Contour Drawing & Block diagram

73.3 0.5 62.2 0.2(View Area) 57.1772(Active Area)

7.8 max

15.0

14 43.0

14.0

92.2 0.5 81.4 0.2(View Area) 76.785(Active Area)

38.3925 40.7 0.1 48 0.3

1

320*240 Dots

23.3

28.5886 31.1 0.1 36.5 0.3

1 2 3 4 5 6 7 8 9 10 11 12 13 14

EL or NO B/L

0.24 0.225

0.2383 0.2233

D0~D3

Com1~240

Com Driver

CL2 CL1

Controller FLM

320*240 Dots

EL Inverter

DOT SIZE SCALE 20/1

BLE VEL VELG

3.3V

Seg1~320

Seg Driver

3.3V

Bias and Power circuit

Vdd CL1 CL2 D0~D3

Vlcd Vss

+30V VR 10K~20K

External contrast adjustment.

First Data

..................

..................

COM001 D0D1 D2D3 .......................................D0D1 D2D3 COM002 D0D1 D2D3 .......................................D0D1 D2D3

SEG317 SEG318 SEG319 SEG320

SEG001 SEG002 SEG003 SEG004

COM239 D0D1 D2D3 .......................................D0D1 D2D3 COM240 D0D1 D2D3 .......................................D0D1 D2D3

Page 8 of 16

CL2 CL1 FLM M DB0 DB1 DB2 DB3 Vee Vdd Vss BLE VELG VEL

9.Interface Pin Function Pin No.

Symbol

Level

Description

1

CL2(SCP)

H to L

Data shift pulse

2

CL1(LP)

H to L

Data latch pulse

3

FLM

H/L

Scan start-up signal

4

M

H/L

Frame reverse signal(alternate signal)

5

D0

H/L

Display data, bit0

6

D1

H/L

Display data, bit1

7

D2

H/L

Display data, bit2

8

D3

H

Display data, bit3

9

VEE

10

VDD

3.3V

11

VSS

0V

Ground

12

BLE

H/L

EL control signal, H: ON L:OFF

13

VELG

0V

Ground for EL

14

VEL

3.3V

(Variable) Power supply for LCD(+V) Power supply for Logic

Power supply for EL

Page 9 of 16

10.Timing Characteristics 10.1.Common & Segment interface timing: ITEM

symbol

Test Condition Min.

Typ.

Max. Units

Clock Cycle

tC

Fig.1

500

ns

SCP Pulse Width

tSWH,tSWL Fig.1

240

ns

Data Set Up Time

tDSU

Fig.1 & 2

240

ns

Data Hold Time

tDHD

Fig.1 & 2

240

ns

SCP Rise/Fall Time tr,tf

Fig.1 & 2

LP Rise Time

tLRP

Fig. 1

240

ns

LP Fall Time

tLFP

Fig. 1

240

ns

LP Pulse Width

tLW

Fig. 1

240

ns

SCP To LP Delay Time tSL

Fig. 1

50

ns

LP To SCP Delay Time tLS

Fig. 1

100

ns

LP 〝H〞Pulse Width tCWH

Fig. 2

40

ns

LP 〝L〞Pulse W idth tCWL

Fig. 2

170

ns

tSWL

tSL

ns

tSWH 90%

10%

CL2

50

tr

tf

tLW

tLS

CL1 tLFP tDSU

tLRP

tDHD

D0~D3

Fig 1. SEGMENT TIMING

tCWH tCWL

CL1

90%

tDSU

tf

10%

tDHD

FLM

Fig 2 COMMON TIMING Page 10 of 16

tr

11. Quality Assurance ◆ Screen Cosmetic Criteria No.

Defect

Judgement Criterion

Partition

A)Clear Size: d mm

Acceptable Qty in active area

d ≦0.1

Disregard

0.1
6

0.2
2

0.3
0

Note: Including pin holes and defective dots

1 Spots

which must be within one pixel size.

Minor

B)Unclear Size: d mm

Acceptable Qty in active area

d ≦0.2

Disregard

0.2
6

0.5
2

0.7
2

Bubbles

in

Polarizer

0

Size: d mm

Acceptable Qty in active area

d≦0.3

Disregard

0.3
3

1.0
1

1.5
Minor

0

In accordance with spots cosmetic criteria. When 3 Scratch

the light reflects on the panel surface, the

Minor

scratches are not to be remarkable. 4 Allowable Density

Above defects should be separated more than 30mm each other.

Minor

Not to be noticeable coloration in the viewing 5 Coloration

area of the LCD panels. Back-light type should be judged with back-light on state only.

Page 11 of 16

Minor

12.RELIABILITY ■Content of Reliability Test Environmental Test No. 1 2

3

4

5

Test Item

Content of Test

Test Condition

High Temperature storage

Endurance test applying the high storage temperature for a long time.

Low Temperature

Endurance test applying the high storage temperature for a long time.

storage High Temperature Operation Low Temperature Operation High Temperature/ Humidity Storage

80℃ 200hrs -30℃ 200hrs

Endurance test applying the electric stress (Voltage & Current) and the thermal stress to the element for a long time.

70℃ 200hrs

Endurance test applying the electric stress under low temperature for a long time. Endurance test applying the high temperature and high humidity storage for a long time.

Endurance test applying the electric High Temperature/ stress (Voltage & Current) and 6 Humidity Operation temperature / humidity stress to the element for a long time.

-20℃ 200hrs 80℃,90%RH 96hrs 70℃,90%RH 96hrs

Applicable Standard —— ——

——

——

——

——

Endurance test applying the low and high temperature cycle. 7 Temperature Cycle

-30℃

25℃

80℃

-30℃/80℃ 10 cycles

30min

5min

——

30min

1 cycle Mechanical Test 8

9

10

Vibration test

Shock test

Atmospheric pressure test

Endurance test applying the vibration during transportation and using.

10~22Hz→1.5mmp-p

Constructional and mechanical endurance test applying the shock during transportation.

50G Half sign

22~500Hz→1.5G

——

Total 0.5hrs wave 11 msedc

——

3 times of each direction

Endurance test applying the atmospheric pressure during transportation by air.

115mbar 40hrs

——

Others 11

Static electricity test

Endurance test applying the electric stress to the terminal.

VS=800V,RS=1.5kΩ CS=100pF

——

1 time

***Supply voltage for logic system=3.3V. Supply voltage for LCD system =Operating voltage at 25℃

Page 12 of 16

13. Backlight Information 　EL backlight Specification PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

TEST　CONDITION

Supply Current

IEL

─

─

30.0

mA

VEL=3.3

Supply Voltage

VEL

－

3.3

3.8

V

X

─

0.3173

─

Y

─

0.3995

─

IV

10

15

－

Cd/m2

－

5000

－

Hr.

Chromatism

Luminous Intensity Life Time Color

White

Page 13 of 16

14.Touch Panel Specifications PIN 4

PIN1

X2 78.25 ( A.A )

80.6 ( V.A )

89.0

PET

Y2

Y1

X1 59.5 ( A.A ) 61.75 ( V.A ) 70.25

Page 14 of 16

1.4

1

X1

2

Y1

3

X2

4

Y2

89.0

SYMBOL

80.65

NO.

3.6

CONNECTION

28.0

1.55

2.7

3.32

64.75 ADHESIVE

70.25 5.0 DETAIL A

ELECTRICAL SPECIFICATIONS ITEM

SPECIFICATION

CONDITION

250Ω ~ 750Ω

DIRECTION:X

250Ω ~ 800Ω

DIRECTION:Y

INSULATION

MORE THAN

DC 25V

RESISTANCE

20MΩ

ON RESISTANCE

Page 15 of 16

CHATTERING

LESS THAN

TIME

10 msec

100K PULL-UP

LINEARITY

±1.0%

X AXIS

±1.0%

Y AXIS

MACHINE SPECIFICATIONS ITEM OPERATING

SPECIFICATION

CONDITION R8.0 HS 40 °

LESS THAN 80g

FORCE

SILICON RUBBER OR R0.8 POLYACETAL PEN

SURFACE

MORE THAN 2H

PENCIL TEST

LIGHT

MORE THAN

@550nm

TRANSMISSION

80 %

HITACHI U3300

DURABILITY FOR

MORE THAN

FORCE:250g

PEN SELECTIONS

1,200,000 TIMES

SPEED:2cm/sec

HARDNESS

Page 16 of 16