AND-TFT-25XS-LED
160 x 234 Pixels
LCD Color Monitor
The AND-TFT-25XS-LED 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
Screen Size
Display Format
Active Area
Dot Pitch
Pixel Configuration
Outline Dimension
Weight
Surface Treatment
Birghtness
2.45 inch (6.4 cm) diagonal
160 x 234
49.68 (W) x 37.44 (H)
0.1025 (W) x 0.163 (H)
Delta
60.6 (W) x 48.4 (H) x 3.45(D)
20 ± 3
Anti-Glare
250
Unit
inch
dot
mm
mm
–
mm
g
–
cd/m
2
Absolute Maximum Rating (GND = 0V, Ta = 25
°C)
Item
Supply Voltage for
Analog
Source Driver
Digital
Supply Voltage for
Positive
Gate Driver
Symbol
AV
DD
V
DD
V
GH
V
GL
V
GH
- V
GL
Absolute Maximum Rating
Min.
-0.3
-0.3
-0.3
-23
+15
0
-20
-0.3
Max.
+7.0
+7.0
+45
+0.3
+40
+60
+70
+7.3
Unit
V
V
V
V
V
ºC
°C
V
Remarks
Negative
Operating Temperature
–
–
V
Video
Note 2
Storage Temperature
Analog input voltage
Note 1
Note 1: Analog Input Voltage means V
R
, V
G
, V
B
Note 2: Operating Temperature define that contrast, response time, other display optical character are Ta=+25.
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.
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
1/28/08
1
AND-TFT-25XS-LED
Electrical Characteristics - Recommended Operating Conditions
Specifications
Symbol
Item
Min.
Typ.
V
CC
V
DD
AV
DD
Max.
+5.5
+3.6
+5.5
+15.5
-14.5
–
-9.5
+4.2
–
–
+1.1
–
+0.3 V
DD
Unit
V
V
V
V
V
Remarks
+4.5
+3.0
+4.5
+14.5
-15.5
–
-12.5
–
–
–
+0.9
+0.7 V
DD
–
+5.0
+3.3
+5.0
+15.0
-15.0
+6.0
-11.0
+4.0
+2.5
+6.0
+1.0
–
–
Power Supply
V
GH
V
EE
V
GL AC
V
GL DC
V
P-P
V
V
V
V
P-P
V
V
V
AC Component of V
GL
DC Component of V
GL
AC Component Note 2
DC Component
AC Component of V
COM
DC Component of V
COM
Video SIgnal
(V
R
, V
G
, V
B
)
V
COM
H Level
L Level
V
I AC
V
I DC
V
COM AC
V
COM DC
V
IH
V
IL
Note 1
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.
Current Consumption (GND = AV
SS
= 0V)
Item
Symbol
I
GH
I
GL
Current for Driver
I
CC
AI
DD
I
DD
I
EE
Note: Ta = 25º C
Condition
V
GH
=+15V
V
GL
=-12V
V
CC
=+5V
AV
DD
=+5V
V
DD
=+5V
V
EE
=-15V
Min.
–
–
–
–
–
–
Specifications
Typ.
0.1
0.36
0.2
3.5
0.6
0.3
Max.
0.2
0.9
0.4
5.0
1.5
0.6
Unit
mA
mA
mA
mA
mA
mA
Remarks
V
GL
center voltage
Backlight Driving & Power Consumption
Pin No.
29
30
Symbol
GLED
VLED
Description
Supply Current for LED
Supply voltage for LED
Remark
I
L
V
L
; Note 3
Note 3: Supply voltage for LED would depend on supply current.
Parameter
Supply Voltage
Supply Current
Symbol
V
L
I
L
Min.
–
–
Typ.
17
20
Max.
–
–
Unit
V
mA
Remarks
I
L
= 20 mA
2
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
1/28/08
AND-TFT-25XS-LED
Block Diagrams
Power Consumption
Item
LCD Panel Power Consumption
Backlight Lamp Power Consumption
Total Power Consumption
Note 5: The power consumption for backlight is not included
Note 6: Backlight power consumption is calculated by I
L
x V
L
.
Optical Specification
Item
Horizontal
Viewing Angle
Vertical
Symbol
θ
θ
(to 12 o’clock)
θ
(to 6 o’clock)
CR
Rise
Fall
Transmission Ratio
Uniformity
Brightness
White Chromaticity
X
Y
–
Note 5: The power consumption for backlight is not included
Note 6: Backlight power consumption is calculated by I
L
x V
L
.
θ
= 0º
T
r
T
f
T
U
At optimized view-
ing angle
θ
= 0º
CR
≥
10
Condition
Min.
± 45
10
30
200
–
–
7.3
65
200
0.280
0.300
1000
Typ.
± 50
15
35
350
15
25
7.8
70
250
0.310
0.330
5000
0..340
0.360
hrs
Max.
–
–
–
–
30
50
8.3
–
cd/m
2
Unit
deg
deg
deg
–
–
ms
%
Symbol
–
–
–
Typ.
31.82
0.34
0.372
Unit
mW
W
W
Remark
Note 5
Note 6
–
Contrast Ratio
Response Time
1/28/08
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
3
AND-TFT-25XS-LED
Pin Description: J201 LCD Panel Input/Output Terminals
Pin No.
Symbol
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
R/L
High (VDD)
Low (0 Volt.)
STH1
AV
SS1
AV
DD
V
B
V
G
V
R
V
SS
V
DD
CPH1
CPH2
CPH3
STH2
Q2H
INH
R/L
V
COM
XOE
CPV
U/D
DIO2
DIO1
V
GL
V
EE
V
SS
V
CC
V
GH
NC
NC
GLED
VLED
Start pulse for source driver
Analog GND for source driver
Analog power input for source driver
Video Input B
Video Input G
Video Input R
Digital GND
Digial power input
Sampling and shift clock for source driver
Sampling and shift clock for source driver
Sampling and shift clock for source driver
Start pulse for source driver
Video input rotation control
Output enable for sourec driver
Left/Right Control for source driver
Common electrode voltage
Output enable for gate driver
Clock input for gate driver
Up/Down Control for gate driver
Vertical start pulse
Vertical start pulse
Gate off voltage (alternative every 1-H)
Gate driver negative voltage
GND
Logic power for gate driver
Gate on voltage
No connection
No connection
Supply current for LED
Supply voltage for LED
STH2
Output
Input
Remarks
Left to Right
Right to Left
Input/Output
I/O
I
I
I
I
I
I
I
I
I
I
I/O
I
I
I
I
I
I
I
I/O
I/O
I
I
I
I
I
–
–
–
–
Note 6: V
EE
= -15V (Typ.)
Note 7: V
GH
= +15V (Typ.)
Note 8: GLED = 20mA (Typ.)
Note 9: VLED = +17V (Typ.)
Note 8
Note 9
Note 3
Note 7
Note 1
Note 3
Note 4
Note 2
Remarks
Note 1
Note 1
Note 4
Note 5
Note 4
Note 6
Note 1: STH1, STH2 and R/L mode
STH1
Input
Output
Note 2: AV
DD
= +5V (Typ.)
Note 3: V
DD
, V
CC
= +5V (Typ.)
Note 4: V
COM
= 6V
PP
Note 5: DIO1, DIO2 and U/D mode
U/D
High (VDD)
Low (O Volt.)
DIO1
Input
Output
DIO2
Output
Input
Remarks
Down to Up
Up to Down
4
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
1/28/08
AND-TFT-25XS-LED
Input/Output Connector
LCD Module Connector
FFC Down Connector,
30 pins
Pitch: 0.5 mm
Timing Characteristics of Input SIgnal
Characteristics
1 Field Scanning Period
1 Line Scanning Period
Source Driver Operating Frequency
Signal Sampling Pulse Width
Signal Sampling Pulse Delay
Signal Sampling Pulse Width (H)
Signal Samplin Pulse Delay (L)
Source Start Signal Pulse Width
Source Start Signal Setup Time
Source Start Signal Hold Time
Source Output Enable Pulse Width
Source Start Signal Rising Time
Video Input Signal Start Point
Phase Difference Between OEH & CPV
Gate Clock Period
Gate Clock Pulse WIdth (H)
Gate Clock Pulse Width (L)
Gate Start Signal Pulse Width
Gate Start Signal Setup Time
Gate Start Signal Hold Time
Phase Difference Between OEH & STH
Phase Difference Between SYNC & OEH
Gate Output Enable Pulse Width
V
COM
Delay Time
RGB Delay Time
Vertical Display Start
Symbol
t1V
t1H
fhc
tchw
tchd
tchwh
tchwl
tshw
tshset
tshhld
tohw
tss
tvs
toc
tcvw
tcvwh
tcvwl
tsvw
tsvset
tsvhold
tosp
tohs
toev
t
DCOM
t
DRGB
tsv
Min.
–
–
1.0
200
95.3
142.9
14.29
90
20
20
1.0
–
–
1.5
10
10
10
5
5
5
–
–
–
–
–
–
Typ.
262.5
63.5
3.14
317.7
105.9
158.8
158.8
317.7
158.8
158.8
2.0
9.8
10.0
2.3
63.5
31.7
31.7
63.5
53.2
10.3
4
1.4
2.5
–
–
3
Max.
–
–
5.0
1000
116.5
174.7
174.7
630*
–
–
–
–
–
–
–
48
48
126**
–
–
–
–
–
3
2
–
Unit
H
µ
s
MHz
ns
ns
ns
ns
ns
ns
ns
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
µs
µs
µs
µs
tH
**tsvset=tsvhld
*tshset=tshhld
tchd 12, 23
Remarks
1/28/08
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com
5
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