3.97 inch tft lcd display ips screen
►Resolution : 480×800 dots
►View Direction: IPS
►Interface: MIPI
►Driver IC: ST7701S
►RTP/CTP: Optional
►Brightness(cd/m²): 480
►Outline Dimension: 57.14（W）* 96.85（H） * 1.85(T) mm
3.97 inch tft lcd display ips screeny have become more and more popular in recent years as people look for ways to improve the quality of their displays. 3.97 inch TFT display suppliers have stepped up to provide a product that meets the needs of consumers. The result is a 3.97 inch TFT display that is both durable and reliable. 3.97 inch TFT display are now being used in a variety of applications, from medical devices to automotive applications. 3.97 inch TFT display suppliers are able to offer their products at a competitive price, making them an attractive option for consumers. 3.97 inch TFT display are expected to continue to grow in popularity in the coming years as people look for ways to improve the quality of their displays.
DESCRIPTION
HC-397BS2503 is a 3.97 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 480×800 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 HC-397BS2503 module has built-in ST7701S controller IC, supports MIPI interface, the power supply voltage (VCC) range is 3.0V to 3.6V, the brightness is 480 nits (typ), and the contrast ratio is 800:1. This module is a beauty Industrial ideal for equipment, medical instruments, etc. The module can operate from -10°C to +70°C; its storage temperature range is -20°C to +80°C
DRAWING
SPECIFICATIONS
General Specifications
| Item | Contents | Unit |
| Size | 3.97 | inch |
| LCM Dimension | 57.14（W）* 96.85（H） * 1.85(T) | mm |
| LCD Active Area | 51.84 * 86.40 | mm |
| Number Of Dots | 480×800 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | IPS | |
| Driver IC | ST7701S | |
| Interface Type | MIPI | |
| Operating Temperature | -10℃~ 70℃ | |
| Storage Temperature | -20℃~ 80℃ | |
| Backlight Type | 8 LEDs | |
| Brightness | 480 | cd/m2 |
Interface
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | LED-A | BACKLIGHT ANODE |
| 2 | NC | Not Connect |
| 3 | LED-K | BACKLIGHT CATHODE |
| 4 | GND | Ground |
| 5 | LCM-ID | Not Connect |
| 6 | TE | Serves TE (Tearing Effect ) pin on MPU interface |
| 7 | VCC(2.8V) | POWER SUPPLY（2.8V） |
| 8 | IOVCC(1.8V) | I/O POWER SUPPLY（1.8V） |
| 9 | RESET | Reset Pin |
| 10 | GND | Ground |
| 11 | NC | Not Connect |
| 12 | NC | Not Connect |
| 13 | GND | Ground |
| 14 | TDP1 | MIPI-DSI Data differential signal input pins. (Data lane 1) |
| 15 | TDN1 | MIPI-DSI Data differential signal input pins. (Data lane 1) |
| 16 | GND | Ground |
| 17 | TCP | MIPI-DSI CLOCK differential signal input pin |
| 18 | TCN | MIPI-DSI CLOCK differential signal input pin |
| 19 | GND | Ground |
| 20 | TDN0 | MIPI-DSI Data differential signal input pins. (Data lane 0) |
| 21 | TDP0 | MIPI-DSI Data differential signal input pins. (Data lane 0) |
| 22 | GND | Ground |
| 23 | NC | Not Connect |
| 24 | NC | Not Connect |
| 25 | GND | Ground |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | 12 | — | 18 | V |
| TFT gate off voltage | VGL | -15 | — | -11 | V |
| TFT common electrode Voltage | Vcom | -2 | – | 0 | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VCI | 2.65 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VDD | 2.65 | 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 | — | 40 | — | mA |
| LED Voltage | Vf | 11.2 | — | 12.8 | V |
| CIE | X | 0.265 | 0.285 | 0.305 | |
| Y | 0.26 | 0.28 | 0.30 | ||
| Brightness of LCM | L | — | 480 | — | 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 temperature/humidity | 60℃±3 ℃,90%±3%RH ，48H； | 1.Air bubble in the LCD; |
| Thermal Shock | -20℃/0.5h~+70℃/0.5h | 2.Non-display; |
| for a total 24 cycles； | ||
|
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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