Shenzhen Saef Technology Ltd.
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SPI interface 2.4 inch TFT LCD Product Introduction
The 2.4-inch TFT LCD screen is a common active matrix LCD display device with high resolution, vivid colors, and fast response speed. It is widely used in embedded systems, consumer electronics, industrial control fields, and more. In the field of consumer electronics, 2.4-inch TFT LCD screens are widely used in smart wearable devices, portable game consoles, smart home control panels, and other products. Its full color and wide viewing angle meet consumers' requirements for display effects.
2.4-inch IPS TFT display with a resolution of 240 × 320 pixels provides clear image display. Its driver IC is ST7789V and supports multiple interfaces and high color depth. This model SFTO240JY-7179AN has an SPI interface and can achieve a brightness of 400cd/m ², adapting to different lighting conditions. It adopts IPS technology, providing a nearly 180 ° full field of view, ensuring a good visual experience from all angles. The product can operate between -20 ℃ and 70 ℃ and adapt to various environmental conditions. It can be stored between -30 ℃ and 80 ℃, ensuring that long-term storage will not affect its performance.
Features
| Item | Specification | Unit |
| Display Mode | Normally Black, Transmissive | / |
| Viewing Direction | ALL | / |
| Colors | 262K | / |
| Drive IC | ST7789 | / |
| Interface Type | 4 Line SPI | / |
| Dimensional Outline | 42.72(W) x 59.46(H) x 2.34(T) | mm |
| Active Area | 36.72(W) x 48.96(H) | mm |
| Resolution | 240 RGB(H) x 320(V) | pixels |
| Pixel Pitch | 0.153(W) x 0.153(H) | mm |
Outline Drawing
Interface Pin Description
| Pin.No | Symbol | Description |
| 1 | GND | Ground |
| 2 | RS | Register select pin, RS=’ 1’ : Display data. RS=’0’ : Command data. |
| 3 | CS | Chip select pin(“Low” enable) |
| 4 | SCL | Serial clock pin. |
| 5 | SDA | Serial data input/output |
| 6 | RESET | LCM Reset pin |
| 7 | VCC | Power supply for Analog(2.8V-3.3V) |
| 8 | GND | Ground |
| 9 | LED+ | Anode of Backlight |
| 10 | LED- | Cathode of Backlight |
Schematic Diagram
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Logic Supply Voltage | IOVCC | -0.3 | 4.6 | V |
| Analog Supply Voltage | VCC | -0.3 | 4.6 | V |
| Operating temperature | Top | -20 | 70 | ℃ |
| Storage temperature | Tst | -30 | 80 | ℃ |
| Humidity | RH | -- | 90%(Max60C) | RH |
Electrical Characteristics
| Parameter | Symbol | Min | Typ | Max | Unit |
| Logic Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Analog Supply Voltage | VCC | 2.6 | 2.8 | 3.3 | -- |
| Input Current | Idd | -- | 20 | -- | mA |
Backlight Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| Forward Voltage | Vf | 3.0 | 3.2 | 3.4 | V |
| Forward Current | If | -- | 80 | -- | mA |
| Operating Life Time | -- | -- | 40000 | -- | Hrs |
Optical Characteristics
| Parameter | Symbol | Condition | Min. | Typ. | Max. | Unit | |
|
Viewing Angle Range | Horizontal | Θ3 |
CR>10 | 70 | 80 | - | Deg. |
| Θ9 | 70 | 80 | - | Deg. | |||
| Vertical | Θ12 | 70 | 80 | - | Deg. | ||
| Θ6 | 70 | 80 | - | Deg. | |||
| Contrast ratio | CR | Θ = 0.. | 1000 | 1500 | - | ||
| Transmittance | Tr | 4 | 4.65 | % | |||
| Color Gamut | CG | 65 | 70 | % | |||
|
Reproduction of color
| Red | Rx |
Θ = 0.. | 0.632 | 0.652 | 0.672 | |
| Ry | 0.302 | 0.322 | 0.342 | ||||
| Green | Gx | 0.256 | 0.276 | 0.296 | |||
| Gy | 0.562 | 0.582 | 0.602 | ||||
| Blue | Bx | 0.121 | 0.141 | 0.161 | |||
| By | 0.071 | 0.091 | 0.111 | ||||
| White Chromaticity | Wx | Θ = 0.. | 0.287 | 0.307 | 0.327 | ||
| Wy | 0.314 | 0.334 | 0.354 | ||||
| Response Time | Tr ＋ Tf | Ta= 25.C Θ = 0.. | 35 | 45 | ms | ||
Product Photo
Environmental / Reliability Tests
| No | Test Item | Condition | Remarks |
| 1 | High Temperature Operation | Ts= +80℃ , 240hrs | Note 1 IEC60068-2-2, GB2423. 2-89 |
| 2 | Low Temperature Operation | Ta= -30℃ , 240hrs | Note 2 IEC60068-2-1 GB2423.1-89 |
| 3 | High Temperature Storage | Ta= +80℃ , 240hrs | IEC60068-2-2 GB2423. 2-89 |
| 4 | Low Temperature Storage | Ta= -30℃ , 240hrs | IEC60068-2-1 GB/T2423.1-89 |
| 5 | High Temperature & Humidity Storage | Ta= +60℃ , 90% RH max, 160 hours | IEC60068-2-3 GB/T2423.3-2006 |
| 6 | Thermal Shock (Non-operation) | -30℃ 30 min ~ +80℃ 30 min Change time: 5min, 30 Cycle | Start with cold temperature, end with high temperature IEC60068-2-14, GB2423.22-87 |
|
7 | Electro Static Discharge (Operation) | C=150pF, R=330 Ω , 5 points/panel Air:±8KV, 5 times; Contact: ±4KV, 5 times; (Environment: 15℃ ~ 35℃ , 30% ~ 60%, 86Kpa ~ 106Kpa) | IEC61000-4-2 GB/T17626.2-1998 |
|
8 |
Vibration (Non-operation) | Frequency range: 10~55Hz, Stroke: 1.mm Sweep: 10Hz~55Hz~10Hz 2 hours for each direction of X .Y. Z. (package condition) | IEC60068-2-6 GB/T2423.5-1995 |
| 9 | Shock (Non-operation) | 60G 6ms, ± X, ±Y , ± Z 3 times for each direction | IEC60068-2-27 GB/T2423.5-1995 |
| 10 | Package Drop Test | Height: 80 cm, 1 corner, 3 edges, 6 surfaces | IEC60068-2-32 GB/T2423.8-1995 |
Facilities and Certificates
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