3.2 TFT LCD Module

3.2TFT LCD module
3.2 TFT LCD module XTPT32NN01-01
Model No. XTPT32NN01-01
►Display Format : 240x320
►Size: 3.2"

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Product Details

3.2TFT LCD module

3.2 TFT LCD module XTPT32NN01-01

Model No. XTPT32NN01-01

►Display Format : 240x320

►Size: 3.2"

►View Direction: 12H

►Interface: MCU

►Built-in Controller: ILI9341V

►Touch Screen : NA

General Description of 3.2 TFT LCD module XTPT32NN01-01

3.2 TFT LCD module XTPT32NN01-01 is a TM (Transmissive) type color active matrix TFT (Thin Film Transistor) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This 3.2 TFT LCD module XTPT32NN01-01 is composed of a TFT-LCD module, a driver circuit and a back-light unit . The resolution of a 3.2" contains 240RGBx320 dots and can display up to 262k colors. The following table described the features of XTPT32NN01-01.

Features

1.1 LCD Module

Item

Specification

Unit

Screen Size

3.2inches

Diagonal

Display Resolution

240 x RGB x 320

Dot

Dot Pitch

0.2025 (H) x 0.2025 (V)

mm

Active Area

48.6 (H) x 64.8 (V)

mm

Outline Dimension

56.64 (W) x 79.3 (H) x 2.45(D)

mm

Display Mode

Normally white/Transmissive

--

Pixel Arrangement

RGB-Stripe

--

Surface Treatment

Anti-glare (AG)

--

Display Color

262K

--

Optima View Direction

12 o’clock

--

Input Interface

MCU SPI/16-bits /8-bits/RGB

--

Color Gamut

NTSC 60%

--

Drive IC

ILI9341

--

1.jpg

2.Mechanical Information

Item

Min.

Typ.

Max.

Unit

Note

Module Size

Horizontal (H)

--

56.64

--

mm

--

Vertical (V)

--

79.3

--

mm

(1)

Thickness (T)

--

2.45

--

mm

(2)

Weight

--

N/A

--

g

--

Note (1) Not include FPC.

Refer to the Outline Dimension for further information.

(2) Back-light unit are included.

3. Electrical Specifications

3.1 Absolute Max. Ratings

3.1.1 Absolute Ratings of Environment

If the operating condition exceeds the following absolute maximum ratings, the TFT LCD module may be damaged permanently.

(Ta=25±2°C, VSS=GND=0)

Item

Symbol

Min.

Max.

Unit

Note

Storage temperature

TSTG

-30

80

°C

(1)

Operating temperature

TOPR

-20

70

°C

(1,2,3)

Note (1) 95 % RH Max. ( 40 °C ≥ Ta ). Maximum wet-bulb temperature at 39 °C or less. (Ta > 40 °C) No condensation.

Note (2) In case of below 0°, the response time of liquid crystal (LC) becomes slower and the color of panel becomes darker than normal one. Level of retardation depends on temperature, because of LC's character

Note (3) Only operation is guarantied at operating temperature. Contrast, response time, another display quality are evaluated at +25°C.

3.2 Electrical Absolute Rating

3.2.1 TFT-LCD Module

(Voltage Referenced to VSS)

Item

Symbol

Value

Unit

Condition

Min.

Max.

Digital Power Supply Voltage

VDD

VSS-0.3

5.0

V

--

3.2.2 Back-Light Unit

(Ta=25±2°C)

Item

Symbol

Min.

Max.

Unit

Note

Forward current

If

--

60

mA

(1)

Reverse voltage

VR

--

5.0

V

(1)

Note (1) Permanent damage to the device may occur if maximum values are exceeded or reverse voltage is loaded. Functional operation should be restricted to the conditions described under normal operating conditions.

4.Electrical Characteristics

4.1 TFT-LCD Module (DC Characteristics)

Item

Symbol

Value

Unit

Note

Min.

Typ.

Max.

Power Supply Voltage

VDD

2.5

3.1

3.3

V


Input High Threshold Voltage

VIH

0.7 VDD

-

VDD

V


Input Low Threshold Voltage

VIL

0

-

0.3 VDD

V


Power Supply Current

ICC

-

(20)

(25)

mA

(1)

Power Consumption

PL

-

(66)

(90)

mW

(1)

Note (1) The specified power consumption is under the conditions at VDD=3.3V , FV=60Hz, whereas a Power dissipation check pattern below is displayed.

Black Pattern / 0 Gray

2.jpg

Active Area

4.2 Backlight Unit

The back-light system is an edge-lighting type with five white LEDs (Light Emitting Diode).

(Ta=25±2°C)

Item

Symbol

Value

Unit

Condition

Min.

Typ.

Max.

LED Voltage

VF

2.7

3.1

3.5

V


LED Current

IF

-

100

-

mA


Power Consumption

PBL

-

310

-

mW


Note (1) Where PBL = VF × IF

5 Input Terminal Pin Assignment

5.1 Pin Assignment


Pin
No.


Symbol


Description

1

XL

The TP Signal

2

YU

The TP Signal

3

XR

The TP Signal

4

YD

The TP Signal

5

GND

Power Ground

6

IOVCC

Power supply

7

VCI

Power supply

8

FMARK

Tearing effect out pin synchronize MPU to frame writng

9

CS/SPI CS

3.jpg

10

DC/SPI SCL

Command/data selection selection in parallel

11

WR/SPI DC

Write enable pin in parallel
Serial data clock in serial bus system

12

RD

Read enable pin

13

SPI SDI/SDA

Serial data input signal

14

SPI SDO

Serial data output signal

15

RESET

System Reset

16

GND

Power Ground

17-32

DB0-DB15

Data Input/Output

33

A

B/L Anode

34-36

K-K

B/L Cathode

37

GND

Power Ground

38

IM0

Select interface mode

39

IM1

40

IM2

(Ta=25±2°C)

Item

Symbol

Condition

Min

Type

Max

Unit

Note

Brightness

--

q=0° Normal Viewing Angle

--

350

--

cd/m2

--

Response time

TR

--

15

20

ms

--

TF

--

35

50

ms

Contrast ratio

CR

400

500

--

--

--

Color Chromaticity
(CIE1931)

Red

RX

0.606

0.626

0.646

--

--

RY

0.314

0.334

0.354

Green

GX

0.257

0.277

0.297

--

GY

0.529

0.549

0.569

Blue

BX

0.122

0.142

0.162

--

BY

0.102

0.122

0.142

White

Wx

0.283

0.303

0.323

--

Wy

0.305

0.325

0.345

Viewing Angle (12H)

Hor.

qR

CR³10

35

45

--

Degree

--

qL

35

45

--

Ver.

fH

35

45

--

fL

10

20

--

6.Optical Characteristics

The following items are measured under stable conditions. The optical characteristics should be measured in a dark room or equivalent state with the methods shown in Note (1).

Measuring equipment: BM-5A, BM-7,

(Ta=25±2°C)

Item

Symbol

Condition

Min

Type

Max

Unit

Note

Brightness

--

q=0° Normal Viewing Angle

--

350

--

cd/m2

--

Response time

TR

--

15

20

ms

--

TF

--

35

50

ms

Contrast ratio

CR

400

500

--

--

--

Color Chromaticity
(CIE1931)

Red

RX

0.606

0.626

0.646

--

--

RY

0.314

0.334

0.354

Green

GX

0.257

0.277

0.297

--

GY

0.529

0.549

0.569

Blue

BX

0.122

0.142

0.162

--

BY

0.102

0.122

0.142

White

Wx

0.283

0.303

0.323

--

Wy

0.305

0.325

0.345

Viewing Angle (12H)

Hor.

qR

CR³10

35

45

--

Degree

--

qL

35

45

--

Ver.

fH

35

45

--

fL

10

20

--

a.Test equipment setup

After stabilizing and leaving the panel alone shall be warmed up for the stable operation of LCM, the measurement should be executed. Measurement should be executed in a stable, windless, and dark room. Optical specifications are measured by Topcon BM-7(fast) with a viewing angle of 2 at a distance of 50cm and normal direction.

b.Definition of response time: Tr and Tf

The response time is defined as the following figure and shall be measured by switching the input signal for “black” and “white”.

4.jpg


c.Definition of contrast ratio:

5.jpg


d.Measured at the center area of the panel when all the input terminals of LCD panel are electrically opened.

e.View Angle

6.jpg

f.Definition of Luminance of White: Luminance of white at the center points

Light Source of Back-Light Unit

LED Type

g.Definition of White Uniformity

7.jpg

h.The definition of Color Gamut -Color Chromaticity CIE 1931

Color coordinate of white & red, green, blue at center point.

Color Gamut : NTSC(%) = ( RGB Triangle Area / NTSC Triangle Area ) x 100

7. Interface Timing

8(001).jpg

8.Reliability Condition for LCD

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

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

Temperature: 205C     Humidity: 655%RH

Tests will be not conducted under functioning state.

No.

Parameter

Condition

Notes

1

High Temperature Operating

60°C±2°C, 240hrs (Operation state)

--

2

Low Temperature Operating

-10°C±2°C, 240hrs (Operation state)

--

3

High Temperature Storage

70°C±2°C, 240hrs

--

4

Low Temperature Storage

-20°C±2°C, 240hrs

--

5

High Temperature and High
Humidity Operation Test

60°C±2°C, 90%, 240hrs

--

6

Vibration Test

Total fixed amplitude: 1.5mm
Vibration Frequency: 10~55Hz
One cycle 60 seconds to 3 direction of X, Y,

Z each 15 minutes.

--

7.

Drop Test

To be measured after dropping from 60cm high

on the concrete surface in packing state.

9.jpg

--

Notes:

1. No dew condensation to be observed.

2. The function test shall be conducted after 4 hours storage at the normal temperature and humidity after removed from the test chamber.

3. Vibration test will be conducted to the product itself without putting I in a container.

9.Dimensional outlines

10.jpg

22.jpg

FAQ

1.What does TFT screen mean?

Short for thin film transistor, a type of LCD flat-panel display screen, in which each pixel is controlled by from one to four transistors. The TFT technology provides the best resolution of all the flat-panel techniques, but it is also the most expensive. TFT screens are sometimes called active-matrix LCDs.

2.What is a TFT screen used for ?

thin film transistor liquid crystal display (TFT-LCD) is a technology which is used in LCD monitor and television displays. TFT technology can be used to give one of the clearest pictures of any flat screen display and it uses much less electricity than older screens.

3.Which is better TFT or LED?

A TFT means ThinFilmTransistor which may refer to an ordinry LCD screen. Both the TFT and LED displays are made of LCD, but the difference only comes in the backlightig. LCD/TFT uses CCFL(cool compound fluroscent lamp) while the other uses LED to backlight. ... But perfomancewise LEDs are far better than TFT displays.

4.What is TFT color?

A thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display (LCD) that uses thin-film-transistor (TFT) technology to improve image qualities such as addressability and contrast.

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