4" Inch (3.97") 480x800 TFT LCD Screen SPI RGB 24 Bits Interface
IPS NT35510 Display
TFT 4" inch WVGA SPI and RGB LCD Screen Description
1. SF-TC397B-8774C-N is TFT LCD module is a 3.97”inch(4.0” inch)
diagonal size, WVGA 480x800, full color TFT LCD display, it can be
designed to be with Resistive touchscreen or PCAP, our part Numbers
are SF-TC397B-8774C-T and SF-TC397B-8774C-CT.
2. This module supports SPI and RGB 24 bits Interface.
SF-TC397B-8774C-N model is having module dimension of 57.14*96.85
mm and Active area size of 51.84 x 86.40 mm; SF-TC397B-8774C-N is
integrated with NT35510 controller on module, and its logic supply
voltage ranges from 2.6V to 3.3V. This IPS TFT module is portrait
mode LCD module, with 400 cd/m2 luminance. If you would like to use
it as portrait mode or adjust the luminance, please contact with us
for more technical support. the surface brightness can be achieved
to be 1000 cd/m2 (nits).
Mechanical Specifications
| Item | Specification | Unit |
| DISPLAY SIZE | 3.97 | inch |
| OUTLINE DIMEMSIONS | 57.14*96.85*2.2 | mm |
| Driver IC | NT35510 | - |
| Interface tYPE | RGB-24Bit | - |
TFT 4" inch WVGA SPI and RGB LCD Screen Drawing
Pin Description
| NO. | PIN NAME | I/O | Description |
| 1 | LEDK | O | LED Cathode |
| 2 | LEDA | O | LED Anode |
| 3 | YU | I | Touch Panel input signal |
| 4 | XL | I | Touch Panel input signal |
| 5 | YD | I | Touch Panel input signal |
| 6 | XR | I | Touch Panel input signal |
| 7 | GND | I | Ground |
| 8 | VCI | I | Power Supply 2.8V Voltage |
| 9 | NC | - | Set Open |
| 10 | IOVCC | I | Power Supply 1.8V Voltage |
| 11 | TE | I | Tearing effect output |
| 12 | SDO | - | SPI Interface Input/output Pin |
| 13 | SDI | I | SPI Interface Input/output Pin |
| 14 | WR/SCL | - | SPI Clock Signal |
| 15 | CSX | I | Input pin for chip selection signal |
| 16 | RESX | I | LCM Reset input signal |
| 17-40 | DB23-DB0 | I/O | Display Data I/O |
| 41 | ENABLE | I | Data enable signal in RGB I/F mode 1. |
| 42 | DOTCLK | I | Clock Signal to Sample each date |
| 43 | HSYNC | I | Horizontal Synchronizing Signal |
| 44 | VSYNC | I | Vertical Synchronizing Signal |
| 45 | LEDPWM | I | This pin is connect to the external LED driver. |
| 46 | LWDON | I | Used for turning On/Off external LED backlight control. |
| 47 | RS | I | Register select signal |
| 48 | RD | I | Read strobe signal input pin |
| 49 | IM0 | I | Select the interface mode |
| 50 | IM1 | I | Select the interface mode |
| 51 | GND | I | Ground |
Backlight Characteristics
| Item | Symbol | MIN | TYP | MAX | UNIT | Test Condition | Note |
| Supply Voltage | Vf | | 25.6 | | V | If= 20 mA | - |
| Supply Current | If | - | 20 | - | mA | - | - |
| Reverse Voltage | Vr | - | - | 5 | V | - | |
| Power dissipation | Pd | - | 512 | - | mW | - | |
| Luminous Intensity for LCM |
- | | 400 | - | Cd/m2 | If= 20mA | - |
| Uniformity for LCM | - | 80 | - | - | ％ | If= 20 mA | - |
| Backlight Color | White |
Electrical-optical Characteristics
| No. | ITEM | Symbol | Conditions | Specification | Unit | Note |
| Min | Typ | Max |
| 1 | Response Time | Tr+Tf | 25℃ | - | 35 | - | Ms | (1)(2) |
| 2 | Transmittance (With PL) | T(%) | - | - | 5 | - | - | - |
| 3 | Contrast Rate | Cr | θ=0, Normal viewing angle | 550 | - | - | - | (1)(3) |
| 4 | Viewing Angle
| Hor. | θR | CR>10 | | 85 | - | Deg | - |
| θL | | 85 | - |
| Ver. | Θ+ | | 85 | - |
| Θ- | | 85 | - |
TFT 4" inch WVGA SPI and RGB LCD Screen Product Image
Factory Facilities and Certificates
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