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DESCRIPTION
4.3″ TFT lcd screen display
K430N40103 is a 4.3 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 480×272 pixels. This size TFT LCD monitor is portrait mode with wider viewing angle by POL adjustment, left: 70/right: 70/up: 50/down: 60 degrees (typical). Optional RTP or CTP.
This K430N40103 module has built-in ST7282 controller IC, supports RGB interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 500 nits (typ), and the contrast ratio is 800:1. This module is a beauty device, communication Industrial ideal for equipment, instrumentation, etc. 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 | 4.3 | inch |
| LCM Dimension | 105.5（W）* 67.2（H） * 2.9(T) | mm |
| LCD Active Area | 95.04 * 53.86 | mm |
| Number Of Dots | 480×272 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | 12 O’clock | |
| Driver IC | ST7282 | |
| Interface Type | RGB | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 12 LEDs | |
| Brightness | 500 | Cd/m2 |
Interface
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | LED- | BACKLIGHT CATHODE |
| 2 | LED+ | BACKLIGHT ANODE |
| 3 | GND | Ground |
| 4 | VDD | POWER SUPPLY（3.3V） |
| 5-12 | R0-R7 | Red data input |
| 13-20 | G0-G7 | Green data input |
| 21-28 | B0-B7 | Blue data input |
| 29 | GND | Ground |
| 30 | PCLK | Clock signal |
| 31 | DISP | Display control |
| 32 | HSYNC | Horizontal sync signal |
| 33 | VSYNC | Vertical sync signal |
| 34 | DE | Data input enable |
| 35 | NC | Not Connect |
| 36 | GND | Ground |
| 37 | XR | Touch Panel Right |
| 38 | YD | Touch Panel Down |
| 39 | XL | Touch Panel Left |
| 40 | YU | Touch Panel Up |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | 14 | 15 | 16 | V |
| TFT gate off voltage | VGL | -11 | -10 | -9 | V |
| TFT common electrode Voltage | Vcom | -2 | – | 0 | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VDD | 3.0 | 3.3 | 3.6 | V |
| Digital Supply Voltage | VDD | – | – | – | V |
| I/O Supply Voltage | IOVCC | – | – | – | V |
| Input High Voltage | VIH | 0.7*VDD | – | – | V |
| Input Low Voltage | VIL | 0 | – | 0.3*VDD | V |
| Output High Voltage | VOH | 0.7*VDD | – | – | V |
| Output Low Voltage | VOL | – | – | 0.3*IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | – | 20 | – | mA |
| LED Voltage | Vf | 29.4 | – | 32 | V |
| Power Consumption | PBL | – | 500 | – | mW |
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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