TFT Color LCD Module Display

TFT Color LCD Module Display

Thin-Film-Transistor LCD Module Model:XTPQ22SN04-01 color TFT module
Screen Size:2.2inches
Display Resolution:240RGB(H)x320(V)
Vision Area:33.84(H) x45.12 (V)

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Product Details

Thin-Film-Transistor LCD Module Model:XTPQ22SN04-01


color TFT module

Description of color TFT module XTPQ22SN04-01

Item

Specification

Unit

Screen Size

2.2inches

Diagonal

Display Resolution

240RGB(H)x320(V)

Dot

Vision Area

33.84(H) x45.12 (V)

mm

Outline Dimension

41.04(W) x 56.45 (H) x 2.85 (D)

mm

Display Mode

Normally white/Transmissive

--

Pixel Arrangement

RGB-Vertical Stripe

--

Display Color

262K

--

Gray scale inversion Direction ion

12 o’clock


Viewing Direction

6 o’clock

--

Drive IC

ILI9341V

--


1.General Description and Features of color TFT module XTPQ22SN04-01

Color TFT module XTPQ22SN04-01 is a full color 240xRGBx320 pixel TFT display module with 2.2" diagonal active area. The color TFT module XTPQ22SN04-01 is 6:00 o' clock viewing direction works well for devices that must be easy to read above eye level without fading, such as signal analyzers or other benchtop laboratory equipment.


2 Electrical Characteristics

2.1 TFT-LCD Module (DC Characteristics)

Item

Symbol

Value

Unit

Note

Min.

Typ.

Max.

Logic Power Supply Voltage

IOVCC

1.65

2.8

3.3

V


Power Supply Voltage

Vci

2.5

2.8

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

-

6

20

mA

(1)

Power Consumption

PL

-

--

--

mW

(1)


Note (1) The specified power consumption is under the conditions at VDD=2.8V , FV=60Hz, where as a

Power dissipation check pattern below is displayed.


Black Pattern / 0 Gray

black patten of TFT module .jpg

Active Area


2.2 Backlight Unit

The back-light system is an edge-lighting type with 3 white LEDs (Light Emitting Diode).

(Ta=25±2°C)

Item

Symbol

Value

Unit

Condition

Min.

Typ.

Max.

LED Voltage

VF

3.0

3.1

3.4

V


LED Current

IF

-

45

-

mA


Power Consumption

PBL

-

139.5

-

mW


Life time


-

25000

-

hours


Note (1) Where IF = 45mA, VF = 3.1V, PBL = VF × IF


3.Input Terminal Pin Assignment of color TFT module XTPQ22SN04-01


Input Terminal Pin Assignment of color TFT module .jpg


4.Dimensional outlines of color TFT module XTPQ22SN04-01


Dimensional outlines of color TFT module XTPQ22SN04-01.jpg

 color TFT module XTPQ22SN04-01.jpg


FAQ

How does a TFT Display or Active Matrix Display work?

The difference between TFT displays and LCD displays is now clear, but how does TFT technology work? TFT stands for Thin Film Transistor. For each RGB sub pixel there is a transistor integrated into the glass. These sub pixels can therefore be individually controlled and turned on and off. This allows development   and production of vibrant color images, with high resolutions. In addition, the response time of a TFT is   faster, making it interesting for many manufacturers.

A TFT is made by combining a thin film of a semi-conductive active layer with a layer that acts as an electrical insulator. They are laid on a supported under layer together with metal contacts.

An LCD pixel is then actively controlled by one to four transistors. By adjusting the voltage, the transistors  turn the pixels on and off easily. Red, green and blue color filters are placed on the inside of the top glass to show the color information. The intensity of light transmission is controlled by color filters. As a result, millions of colors can be displayed on one screen.


The embedded TFT layer on the screen reduces crosstalk between pixels. Crosstalk occurs when a signal    sent to a pixel, also affects the pixel next to it. This makes TFT display technology the technology that     offers the best resolution and image quality. TFT’s are therefore more expensive than regular LCD’s.


TFT displays have become todays standard in producing LCD monitors.

construction of a TFT.jpg



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