3.97inch MIPI IPS TFT LCD Display (480x800)
Model No. DBT400WV090T
►Size:3.97"
►Resolution : 480x800 dots
►View Direction : ALL o`clock
►Interface : MIPI
►IC Part No : ST7701S
►Control-Board : Yes
►Brightness(cd/m2):250
►Frame Through Hole: No
►Touch Screen : No
►Operating Temperature : -20~70℃
DESCRIPTION
Aptus MIPI IPS 3.97" TFT Display
DBT400WV090T is a 3.97 inch IPS MIPI TFT LCD display module, resolution 480 x 800 pixels. This 3.97" TFT display is built-in with ST7701S controller IC, it supports MIPI interface, supply voltage (VCC) range is from 2.8V to 3.3V, with brightness 250 nits (typical value), contrast ratio 900.This 3.97 inch MIPI TFT LCD Display is portrait mode with IPS (In-Plane Switching) Panel which having the advantages of wider viewing angle of Left:80 / Right:80 / Up:80 / Down:80 degree (typical) . It is ideal for wearable devices, medical devices, etc. This module can be operating at temperatures from -20℃ to 70℃; its storage temperatures range from -30℃ to 80℃.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin | Symbol | Description | Remark |
| 1 | GND | GND | Power ground |
| 2 | NC | NC | Not used |
| 3 | TE | I/O | Tearing effect output pin to synchronies MCU |
| 4 | RST | I/O | LCD Reset Terminal active “L” |
| 5-13 | NC | NC | Not used |
| 14 | GND | GND | Power ground |
| 15 | D0N | I/O | MIPI-DSI data lane 0 negtive-end input/output pin |
| 16 | D0P | I/O | MIPI-DSI data lane 0 positive-end input/output pin |
| 17 | GND | GND | Power ground |
| 18 | CLKN | I/O | MIPI-DSI clock lane negtive-end input/output pin |
| 19 | CLKP | I/O | MIPI-DSI clock lane positive-end input/output pin |
| 20 | GND | GND | Power ground |
| 21 | D1N | I/O | MIPI-DSI data lane 1 negtive-end input/output pin |
| 22 | D1P | I/O | MIPI-DSI data lane 1 positive-end input/output pin |
| 23 | GND | GND | Power ground |
| 24 | NC | NC | Not used |
| 25 | VCC | I | Connect 2.8V-3.3V |
| 26 | IOVCC | I | Connect 1.8V-3.3V |
| 27-28 | A | I | Anode for back light driver voltage |
| 29-30 | K | I | Cathode for back light driver voltage |
| 31 | GND | GND | Power ground |
| 31-39 | NC | NC | Not used |
General Specifications
| Item | Display Panel | Unit/note |
| Display Mode | Normally Black | |
| LCM size | 3.97” | |
| Viewing Direction | IPS | |
| Input Signals | MIPI | |
| LCM Outline Dimensions | 57.14(W)*96.85 (H)*2.2(T) mm | |
| Outline Dimensions | 60.24 (W)*113.4 (H)*3.36(T) | mm |
| Active Area | 51.84 (W) X 86.4 (H) | mm |
| Number of Pixels | 480×RGB×800 | Pixels |
| Pixel Arrangement | RGB Vertical stripes | |
| Drive IC | ST7701S | |
| Input voltage | 2.8 | V |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
| Operating Temperature | TOP | -20 | - | 70 | ℃ |
| Storage Temperature | TST | -30 | - | 85 | ℃ |
Electrical Characteristics
Operating conditions
| Item | Symbol | Min | Typ | Max | Unit |
| Supply Voltage | VCC | 2.8 | - | 3.3 | V |
LED driving conditions
| Parameter | Symbol | Min. | Typ. | Max. | Unit |
| LED current | ILED | 30 | 40 | - | mA |
| LED voltage | VLED | 12 | 12.8 | 14 | V |
| LED Life Time | - | - | 50000 | - | Hr |
