Shenzhen Tianxianwei Technology Co., Ltd.
Shenzhen Tianxianwei Technology Co., Ltd.
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Product Introduction: 4" Touch TFT LCD Square 480x480 IPS Display
Introducing our high-performance 4" Touch TFT LCD with a resolution of 480x480 pixels. This square LCD display is designed for applications that require vivid colors, sharp images, and an intuitive touch interface. The IPS (In-Plane Switching) technology ensures wide viewing angles and consistent color representation, making it ideal for both indoor and outdoor applications.
The 4" Touch TFT LCD Square 480x480 IPS display stands out as a versatile and robust solution for a variety of applications. With its impressive visual performance, ease of use, and wide compatibility, it is the perfect choice for developers and engineers looking to enhance their products with a high-quality touch interface.
For more information or to place an order, please contact us.
| Product: | 4 Inch TFT Square Display | Touch Screen: | Without Touch, ( With CTP Optional) |
|---|---|---|---|
| Resolution: | 480*480 | Cover Glass Dimension: | Customizable |
| Viewing Direction: | All Viewing Angle, IPS | Interface: | MIPI |
| Pin Number: | 31 Pins | Connection: | ZIF |
| Surface Luminance: | 350 Cd/m2(nits) Typical | LED Lifetime: | 30,000 Hours |
4" inch touch TFT LCD, Square 480X480 TFT IPS LCD Drawing
Module Function Description
| Pin No. | Symbol | LCM Functional |
| 1 | LEDK | Power supply for backlight cathode input terminal. |
| 2 | LEDA | Power supply for backlight anode input terminal. |
| 3 | CTP-VCC 3.3V | Touch panel Power supply 2.8~3.3V |
| 4 | CTP-SCL 3.3V | Touch panel I2C clock |
| 5 | CTP-SDA 3.3V | Touch panel I2C data |
| 6 | CTP-RST 3.3V | Touch panel reset |
| 7 | CTP-INT 3.3V | Touch panel interrupt output |
| 8 | NC | NC |
| 9 | GND | Power Ground |
| 10 | RESET | Reset signal input terminal. Active at ‘L’. |
| 11 | TE | Frame head pulse for tearing effect. |
| 12~13 | VDD 3.3V | Power Supply For LCD. |
| 14 | VDDIO 1.8V | Power Supply For I/O. |
| 15 | GND | Power Ground |
| 16~17 | NC | NC |
| 18 | GND | Power Ground |
| 19~20 | NC | NC |
| 21 | GND | Power Ground |
| 22 | CLKP | Positive polarity of low voltage differential clock signal |
| 23 | CLKN | Negative polarity of low voltage differential clock signal |
| 24 | GND | Power Ground |
| 25 | MIPI_1N | Negative polarity of low voltage differential data 3 signal |
| 26 | MIPI_1P | Positive polarity of low voltage differential data 3 signa |
| 27 | GND | Power Ground |
| 28 | MIPI_0N | Negative polarity of low voltage differential data 3 signal |
| 29 | MIPI_0P | Positive polarity of low voltage differential data 3 signa |
| 30 | GND | Power Ground |
Absolute Maximum Rating
| Characteristics | Symbol | Min. | Max. | Unit |
| LCM Operating Temperature | TOPR | -20 | +70 | °C |
| LCM Storage Temperature | TSTG | -30 | +80 | °C |
| TP Operating Temperature & Humidity (20% ~ 90%RH) | TOPR | -20 | +70 | °C |
| TP SStorage Temperature & Humidity (20% ~ 90%RH) | TSTG | -30 | +80 | °C |
| Humidity | RH | -- | 90 | % |
TFT DC Characteristics
| Characteristics | Symbol | Min. | Typ. | Max. | Unit |
| Supply Voltage for I/O | VDDIO | 1.65 | 1.8 | 3.3 | V |
| Supply Voltage for(DC/DC) | VDD | 2.6 | 3.3 | 3.3 | V |
| Current Consumption | IDD | -- | -- | -- | mA |
| IDD-SLEEP | -- | -- | -- | uA |
Back-Light Unit Characeristics
The back-light system is an edge-lighting type with 8 white LEDs. The characteristics of the back-light
are shown in the following tables.
| Characteristics | Symbol | Min. | Type | Max. | Unit | Notes |
| Forward Voltage | VF | 11.2 | 12.8 | V | -- | |
| Forward current | IF | -- | 40 | -- | mA | -- |
| Luminance(With LCD+CTP) | Lv | -- | 350 | -- | cd/m2 | -- |
| LED life time | N/A | -- | 30,000 | -- | Hr | Note 1 |
Note:
Reliability Test Item
| No. | Test Item | Test Condition | Notes |
| 1 | High Temp. Storage | +80°C / 96H | 1. Functional test isOK. Missing Segment,short, unclear segment non-display,display abnormally and liquid crystal leakare un-allowed. 2. No low temperature bubbles,end seal loose andfall, frame rainbow.
|
| 2 | Low Temp. Storage | -30°C / 96H | |
| 3 | High Tempe. Operating | +70°C / 96H | |
| 4 | Low Tempe. Operating | -20°C / 96H | |
| 5 | High Temperature /Humidity storage | 50°C x 90%RH /96H | |
| 6 | Thermal and cold shock | Static state, -20℃(30min) ~60℃ (30min),50 cycles |
4" inch touch TFT LCD, Square 480X480 TFT IPS LCD Real Product Image
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