2.8 inch standard TFT LCD
►Resolution : 240×320 dots
►View Direction: IPS
►Interface: RGB
►Driver IC: ST7789V2-G4-A-1
►RTP/CTP: Optional
►Brightness(cd/m²): 380
►Outline Dimension: 550.00 * 69.20*2.30(mm)
2.8 inch standard tft lcd display screen suppliers are providing 2.8 inch TFT LCD screens all over world.
2.8 inch TFT LCD have 262,144 different colors and they are used in small device applications such as mobile phones, digital cameras, automotive applications, MP3 players and industrial control devices.
2.8 inch TFT LCD suppliers have more than 2 years of experience in 2.8 inch TFT LCD manufacturing and they have well-equipped testing facilities as well as strong technical force.
2.8 inch TFT LCD supplier’s mission is to provide best quality products and services to customer and create a win-win situation for both parties. 2.8 inch TFT LCD supplier’s vision is to become the most trusted 2.8 inch TFT LCD supplier in the world.
2.8 inch TFT LCD supplier’s values are honesty, integrity, mutual respect, accountability and commitment to excellence.
2.8 inch TFT LCD supplier is committed to providing customer with highest quality products and best customer service.
Our goal is to build long-term relationships with customers and create a win-win situation for both parties.
DESCRIPTION
The K280I40300 is a 2.8 TFT display module with an optional resistive touch screen and capacitive touch screen control with a resolution of 240×320 pixels. This size TFT LCD monitor is portrait mode, TFT panel adopts IPS panel, Left: 80 / Right: 80 / Top: 80 / Bottom: 80 degrees (typical).Optional RTP or CTP.
This K280I40300 module has a built-in ST7789V2-G4-A-1 controller IC, supports RGB interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 380 nits (typ), and the contrast ratio is 800:1. This module is ideal for communication equipment, instrumentation, etc. industries. The module can operate from -20°C to +70°C; its storage temperature range is -30°C to +80°C
DRAWING
SPECIFICATIONS
General Specifications
| Item | Contents | Unit |
| Size | 2.8 | inch |
| LCM Dimension | 50.00（W）* 69.20（H） *2.30(T) | mm |
| LCD Active Area | 43.20* 57.60 | mm |
| Number Of Dots | 240×320 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | IPS | |
| Driver IC | ST7789V2-G4-A-1 | |
| Interface Type | RGB | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 4 LEDs | |
| Brightness | 380 | Cd/m2 |
Interface
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | GND | Ground |
| 2 | LEDK | BACKLIGHT CATHODE |
| 3 | LEDA | BACKLIGHT ANODE |
| 4 | VCC | POWER SUPPLY |
| 5-9 | R7-R3 | Data Bus |
| 10 | GND | Ground |
| 11-16 | G7-G2 | Data Bus |
| 17 | GND | Ground |
| 18-22 | B7-B3 | Data Bus |
| 23 | DCLK | Dot Clock Signa |
| 24 | GND | Ground |
| 25 | NC | NC |
| 26 | HS | Line Synchronizing Signal |
| 27 | VS | Frame Synchronizing Signal |
| 28 | DE | Data Enable Signal |
| 29 | CS | Chip Select |
| 30 | SCL | Serial Clock |
| 31 | SDA | Serial Data Input |
| 32-34 | NC | NC |
| 35 | RESET | Reset pin |
| 36-40 | GND | Ground |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | — | 15 | — | V |
| TFT gate off voltage | VGL | — | -7.5 | — | V |
| TFT common electrode Voltage | Vcom | — | -1 | — | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VDD | 2.5 | 2.8 | 3.3 | V |
| I/O Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Input High Voltage | VIH | 0.8*IOVCC | – | IOVCC | V |
| Input Low Voltage | VIL | 0 | – | 0.2*IOVCC | V |
| Output High Voltage | VOH | 0.8*IOVCC | – | – | V |
| Output Low Voltage | VOL | – | – | 0.2*IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | — | 60 | 80 | mA |
| LED Voltage | Vf | 2.8 | 3.0 | 3.2 | V |
| CIE | X | 0.25 | 0.30 | 0.35 | |
| Y | 0.26 | 0.31 | 0.36 | ||
| Brightness of LCM | L | — | 380 | — | cd/m2 |
Reliability Test Items
| Test Item | Test Condition | Test result determinant gist |
| High temperature storage | 80±3 ℃，48H； | |
| Low temperature storage | ~30±3 ℃，48H； | |
| High temperature storage | 70±3 ℃，48H； | Inspection after 2~4hours storage at roomtemperature, |
| Low temperature operation | ~20±3 ℃，48H； | the sample shall be free from defects: |
| High temperaturehumi/dity | 60℃±3 ℃,90%±3%RH ，48H； | 1.Air bubble in the LCD; |
| Thermal Shock | ~20℃/0.5h~+70℃/0.5h for a total 24 cycles； |
2.Non-display; |
|
Vibration Test |
Frequency 10Hz~55Hz~10Hz | 3.Glass crack; |
| Amplitude：1.5mm, X，Y，Z | ||
| direction for total 1H； | 4. The electrical | |
| (Packing condition) | ||
|
ESD test |
±4KV, Human Body Mode, | characteristics requirements shall be satisfied. |
| 150pF/330Ω； | ||
| ±8KV, Air Mode, 150pF/330Ω； |
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