Purdy AND-TFT-25XS-LED-KIT User Manual

AND-TFT-25XS-LED-KIT

AND-TFT-25XS-LED-KIT

160 x 234 Pixels
LCD Color Monitor

The AND-TFT-25XS-LED-KIT is a compact full color TFT
LCD module, that is suitable for applications such as a
camcorder, digital camera application and other electronics
products which require high quality flat panel displays. This

device consists of a twisted nematic (TN) liquid crystal cell, that
incorporates a TFT-array that has 160 x 234 pixels on a 2.45 inch diagonal
screen, X and Y drivers, an LSI controller, and a built-in LED backlight.

Features

• Long Life LED Backlight

• Ultra Compact

• Compatible with NTSC or PAL system

• DC/DC, LED Driver, Video Decoder all in one

• High Resolution: 112,320 dots

• Optimum Viewing Direction: 6 o’clock

• Up/Down and Left/Right Image Reversion

• Accepts Analog RGB input

• Applications: camcorder, digital camera applications

Mechanical Characteristics

Item

Specification Unit

Screen Size 2.45 inch (6.4 cm) diagonal inch

Display Format 160 x 234 dot

Active Area 49.68 (W) x 37.44 (H) mm

Dot Pitch 0.1025 (W) x 0.163 (H) mm

Pixel Configuration Delta –

Outline Dimension 60.6 (W) x 48.4 (H) x 3.45(D) mm

Weight 20 ± 3 g

Surface Treatment Anti-Glare –

Birghtness 250

Absolute Maximum Rating (GND = 0V, Ta = 25

Symbol

Supply Voltage for

Source Driver

Supply Voltage for

Gate Driver

Item

Analog

Digital

Positive

Negative

V

GH

Operating Temperature

°C)

AV

V

V

V

DD

DD

GH

GL

- V

GL

Absolute Maximum Rating

Min. Max.

-0.3 +7.0 V

-0.3 +7.0 V

-0.3 +45 V

-23 +0.3 V

+15 +40 V

Unit Remarks

– 0 +60 ºC Note 2

Storage Temperature – -20 +70 °C

Analog input voltage

Note 1: Analog Input Voltage means V

, V

R

V

Video

, V

G

B

-0.3 +7.3 V Note 1

Note 2: Operating Temperature define that contrast, response time, other display optical character are Ta=+25.

cd/m

2

Product specifications contained herein may be changed without prior notice.

It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product.

6/27/08

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)

V

AND-TFT-25XS-LED-KIT

Electrical Characteristics - Recommended Operating Conditions

Item

Power Supply

Video SIgnal

(V

, V

, V

R

G

B

V

COM

H Level

L Level

Symbol

V

CC

V

DD

AV

DD

V

GH

V

EE

V

GL AC

V

GL DC

V

I AC

V

I DC

V

COM AC

V

COM DC

V

IH

V

IL

Min. Typ. Max.

+4.5 +5.0 +5.5 V

+3.0 +3.3 +3.6 V

+4.5 +5.0 +5.5 V

+14.5 +15.0 +15.5 V

-15.5 -15.0 -14.5

-12.5 -11.0 -9.5 V

+0.9 +1.0 +1.1 V

+0.7 V

Note 1: STH1, STH2, CPH1, CPH2, CPH3, Q2H, INH, CPV, XOE, DIO1, DIO2
Note 2: Both NTSC and PAL system Video Signal input waveform is based on 8 steps gray scale.

Specifications

– +6.0 –

– +4.0 +4.2 V AC Component Note 2

– +2.5 – V DC Component

– +6.0 –

DD

––

––V

+0.3 V

DD

Unit Remarks

V

V

P-P

AC Component of V

DC Component of V

V

AC Component of V

P-P

DC Component of V

Note 1

GL

GL

COM

COM

Current Consumption (GND = AV

SS

= 0V)

Item Symbol Condition

Current for Driver

Note: Ta = 25º C

AI

I

GH

I

GL

I

CC

I

DD

I

EE

DD

V

V

V

AV

V

V

GH

GL

CC

DD

DD

EE

=+15V

=-12V

=-15V

Backlight Driving & Power Consumption

Pin No.

Symbol Description Remark

29 GLED Supply Current for LED

30 VLED Supply voltage for LED

Note 3: Supply voltage for LED would depend on supply current.

Parameter

Supply Voltage

Supply Current

Symbol Min. Typ. Max. Unit Remarks

V

L

I

L

Specifications

Min. Typ. Max.

Unit Remarks

– 0.1 0.2 mA

V

center voltage

GL

=+5V

=+5V

=+5V

– 0.36 0.9 mA

– 0.2 0.4 mA

– 3.5 5.0 mA

– 0.6 1.5 mA

– 0.3 0.6 mA

I

L

V

; Note 3

L

I

–17– V

= 20 mA

L

–20–mA

2

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6/27/08

Block Diagrams

.

θ CR ≥

θ

θ

θ

θ

AND-TFT-25XS-LED-KIT

Power Consumption

Item

LCD Panel Power Consumption – 31.82 mW Note 5

Backlight Lamp Power Consumption – 0.34 W Note 6

Total Power Consumption – 0.372 W –

Note 5: The power consumption for backlight is not included
Note 6: Backlight power consumption is calculated by I

x V

L

L

Optical Specification

Item

Symbol Condition Min. Typ. Max. Unit

Horizontal

Viewing Angle

Vertical

(to 12 o’clock) 10 15 – deg

(to 6 o’clock) 30 35 – deg

Contrast Ratio CR

Response Time

Rise

Fall

T

r

T

f

Transmission Ratio T 7.3 7.8 8.3 %

Uniformity U 65 70 –

Brightness 200 250

White Chromaticity

X

Y 0.300 0.330 0.360

– 1000 5000 hrs

Note 5: The power consumption for backlight is not included

x V

Note 6: Backlight power consumption is calculated by I

.

L

L

Symbol Typ. Unit Remark

10

At optimized view-

ing angle

= 0º

= 0º

± 45 ± 50 – deg

200 350 – –

–1530–

–2550ms

2

cd/m

0.280 0.310 0..340

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AND-TFT-25XS-LED-KIT

Pin Description: J201 LCD Panel Input/Output Terminals

Pin No.

1 STH1 Start pulse for source driver I/O Note 1

2

3

4

5

6

7

8

9 CPH1 Sampling and shift clock for source driver I

10

11

12 STH2 Start pulse for source driver I/O Note 1

13 Q2H Video input rotation control I

14 INH Output enable for sourec driver I

15 R/L Left/Right Control for source driver I Note 1

16

17 XOE Output enable for gate driver I

18 CPV Clock input for gate driver I

19 U/D Up/Down Control for gate driver I

20 DIO2 Vertical start pulse I/O

21 DIO1 Vertical start pulse I/O

22

23

24

25

26

27

28

29

30

Note 1: STH1, STH2 and R/L mode

R/L STH1 STH2 Remarks

High (VDD) Input Output Left to Right

Low (0 Volt.) Output Input Right to Left

Note 2: AV
Note 3: V
Note 4: V

Symbol Function Input/Output Remarks

AV

SS1

AV

DD

V

B

V

G

V

R

V

SS

V

DD

CPH2

CPH3

V

COM

V

GL

V

EE

V

SS

V

CC

V

GH

NC

NC

GLED

VLED

Analog GND for source driver I

Analog power input for source driver I Note 2

Video Input B I

Video Input G I

Video Input R I

Digital GND I

Digial power input I Note 3

Sampling and shift clock for source driver I

Sampling and shift clock for source driver I

Common electrode voltage I Note 4

Gate off voltage (alternative every 1-H) I Note 4

Gate driver negative voltage I Note 6

GND I

Logic power for gate driver I Note 3

Gate on voltage I Note 7

No connection –

No connection –

Supply current for LED – Note 8

Supply voltage for LED – Note 9

Note 6: V
Note 7: V

= -15V (Typ.)

EE

= +15V (Typ.)

GH

Note 8: GLED = 20mA (Typ.)
Note 9: VLED = +17V (Typ.)

= +5V (Typ.)

DD

, V

DD

COM

= +5V (Typ.)

CC

= 6V

PP

Note 4

Note 5

Note 5: DIO1, DIO2 and U/D mode

U/D

DIO1 DIO2 Remarks

High (VDD) Input Output Down to Up

Low (O Volt.) Output Input Up to Down

4

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AND-TFT-25XS-LED-KIT

Input/Output Connector, LCD Module Connector, FFC Down Connector, 30 pins Pitch: 0.5 mm
Timing Characteristics of Input SIgnal

Characteristics Symbol Min. Typ. Max. Unit Remarks

1 Field Scanning Period t1V – 262.5 – H

1 Line Scanning Period t1H – 63.5 –

Source Driver Operating Frequency fhc 1.0 3.14 5.0 MHz

Signal Sampling Pulse Width tchw 200 317.7 1000 ns

Signal Sampling Pulse Delay tchd 95.3 105.9 116.5 ns tchd 12, 23

Signal Sampling Pulse Width (H) tchwh 142.9 158.8 174.7 ns

Signal Samplin Pulse Delay (L) tchwl 14.29 158.8 174.7 ns

Source Start Signal Pulse Width tshw 90 317.7 630* ns *tshset=tshhld

Source Start Signal Setup Time tshset 20 158.8 – ns

Source Start Signal Hold Time tshhld 20 158.8 – ns

Source Output Enable Pulse Width tohw 1.0 2.0 –

Source Start Signal Rising Time tss – 9.8 –

Video Input Signal Start Point tvs – 10.0 –

Phase Difference Between OEH & CPV toc 1.5 2.3 –

Gate Clock Period tcvw 10 63.5 –

Gate Clock Pulse WIdth (H) tcvwh 10 31.7 48

Gate Clock Pulse Width (L) tcvwl 10 31.7 48

Gate Start Signal Pulse Width tsvw 5 63.5 126**

Gate Start Signal Setup Time tsvset 5 53.2 –

Gate Start Signal Hold Time tsvhold 5 10.3 –

Phase Difference Between OEH & STH tosp – 4 –

Phase Difference Between SYNC & OEH tohs – 1.4 –

Gate Output Enable Pulse Width toev – 2.5 –

Delay Time t

V

COM

RGB Delay Time

DCOM

t

DRGB

––3

––2

Vertical Display Start tsv – 3 – tH

s

s

s

s

s

s

s

s

s **tsvset=tsvhld

s

s

s

s

µ

s

µ

s

µ

s

µ

µ

µ

µ

µ

µ

µ

µ

µ

µ

µ

µ

µ

6/27/08

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Dimensional Outline

AND-TFT-25XS-LED-KIT

6

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6/27/08

PC-TFT-25XS

Interface Board

AND-TFT-25XS-LED-KIT

Features

• Used for TFT-LCD display: 2.5” AND-TFT-25XS-LED

• Compatible with NTSC or PAL system

The PC-TFT-25XS is designed to work with the
AND-TFT-25XS-LED color TFT display which is
suitable for camcorders, digital camera
applications and other electronic products which

• High Resolution: 112,320 dots

• Optimum Viewing Direction: 6 o’clock

• Up/Down and Left/Right Image Reversion

Mechanical Characteristics

Item Specification Unit

Screen Size 2.45 (diagonal) inch

Surface Treatment Anti-Glare –

Display Format 160 x 234 dot

Active Area 49.68 (W) x 37.44 (H) mm

Dot Pitch 0.1035 (W) x 0.160 (H) mm

Pixel Configuration Stripe –

Outline Dimension 60.6 (W) x 48.4 (H) x 3.45 (D) mm

Weight 20 ± 3 g

Contrast Ratio 350:1

View Angle (V) +15 ºC / -35ºC (H) ± 50ºC

Color Full Color

Brightness 250 cd/m2

Please refer to data sheet for AND-TFT-25PXS-LED for more details on panel information.

require high quality flat panel displays.

Absolute Maximum Rating

Item Symbol

Input Voltage

Input Voltage Vin +4 +6 V

Video Input Signal Video in 0.5 2.0 Vp-p Note 1

Digital Input Signal TTL +0.3 +5.3 V

Operating Temperature -10 60 ºC

Relative Humidity 5 90 %RH

Storage Temperature -25 80 ºC

Relative Humidity 0 90 %RH

Supply Voltage

Supply Current

Note 1: @ 75 Ω

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Vin

V

I

L

L

Specifications

Min. Max.

+8 +16

– 13.2 V IL=20mA

–20mA

Unit Remarks

V

7

AND-TFT-25XS-LED-KIT

Electrical Characteristics - Operating Conditions

Item Symbol I/O

Input Voltage Vin

Total Current Iin

I +10 +12 +14 V

I 153 mA

Power Consumption I 1.84 W @+12V

Input Voltage Vin

Total Current Iin

Power Consumption

Video Input Signal Video in

Output Voltage +5V

Brightness Adjust Bright

Contrast Adjust Contrast

Color Adjust Color

Tint Adjust Tint (NTSC only)

Viedo Auto Detect NTSC/PAL

I+4 +5 +6 V

I 300 mA

I 1.5

I -1.0 Vp-p

O – +5V

I +1.13 +1.3 +1.43 V

I +2.10 +2.57 +2.98

I +2.26 +2.72 +3.59 V

I

O – TTL V

Specifications

Min. Typ. Max.

+1.5

+3.09 +4.6 V

Unit Remarks

W @+5V

@ 75 Ω

V

V

Current Consumption (GND = AVSS = 0V)

Item White Window Red Green Blue Remark

S/N: 001 x

y

L

TC

0.307

0.326

300 (cd/m

8650(ºK)

0.558 0.340 0.161

0.349 0.541 0.128

2

)

– – – ± 15%

–––

Note 1. Luminance: BM-7 FAST (TOPCON)
Note 2. Pattern Generator: FLUKE PM54200
Note 3. Measurement Distance: 500mm ± 500mm
Note 4. TOPCON BM-7 Luminance Meter 2º field of view is used in the testing (After 10 min ~ 20 min Operation)

LED Driver Data: Ta - 25ºC @+5V

Item Symbol

Supply voltage of LED backlight

Supply current of LED backlight

V

L

I

L

Specifications

Min. Typ.

– 13.8 V

– 23.3 mA

Unit Remark

I

= 23.3 mA

L

8

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Terminal Pin Assignment

Pin No. Symbol I/O Description

1 STH I/O Start pulse for source driver

2

3

4

5

6

7

8

AV

AV

SS

DD

V

B

V

G

V

R

V

SS

V

DD

I Analog GND for source driver

I Analog power input for source driver

I Video Input B

I Video Input G

I Video Input R

I Digital GND

I Digital power input

9 CPH1 I Sampling and shift clock for source driver

10 CPH2 I Sampling and shift clock for source driver

11 CPH3 I Sampling and shift clock for source driver

12 STH2 I/O Start pulse for source driver

13 Q2H I Video input rotation control

14 INH I Output enable for source driver

15 R/L I Left/Right Control for source driver

16

V

COM

I Common electrode voltage

17 XOE I Output enable for gate driver

18 CPV I Clock input for gate driver

19 U/D I Up/Down Control for gate driver

20 DIO2 I/O Vertical start pulse

21 DIO1 I/O Vertical start pulse

22

23

24

25

26

V

GL

V

EE

V

SS

V

CC

V

GH

I Gate off voltage (alternative every 1-H)

I Gate driver negative voltage

I GND

I Logic power for gate driver

I Gate on voltage

27 NC – No connection

28 NC – No connection

29 GLED Supply current for LED

30 VLED Supply voltage for LED

AND-TFT-25XS-LED-KIT

2535 Demo Board

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AND-TFT-25XS-LED-KIT

J301: Pin Assignment of SIgnal Input (Pitch 1.25 mm 15P, Side Entry Type)

Pin No. Symbol I/O Description Remarks

1 Vin I +12 V Voltage Power supply

2 GND – Power Ground

3 GND – Power Ground

4 GND – Signal Ground

Ω

5 Video-IN I Video input (1Vp-p/75

6 +5V O Voltage DC Output Note 1

7 Bright I Brightness control

8 Contrast I Contrast control

9 Color I Color control

10 Tint I Tint control Note 2

11 NTSC/PAL O Systemm Auto detect output Note 3

12 LRC I Screen Left / Right reverse Note 4

13 UDC I Screen Up / Down reverse Note 4

14 Dimmer I Backlight brightness control

15 Enable I Backlight On/Off Note 5

Note 1: The +5V power supply external control circuit. (Max. output is 10mA)
Note 2: The TINT is only operating in NTSC system.
Note 3: The output High level for NTSC mode and Low level for PAL mode.
Note 4: Default +5V or floating is normal scanning and 0V is for reversed scanning.
Note 5: The floating or 0V is backlight on and 5V is backlight off.

Block DIagram

)

10

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6/27/08

AND-TFT-25XS-LED-KIT

6/27/08

Tel: [phone] • Fax:[phone] • [e-mail] • www.purdyelectronics.com

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

11