高亮液晶屏
TFT触摸屏
HDMI TFT显示器
工业级TFT屏
OLED屏
条型TFT屏
圆形TFT屏
方形TFT屏
全视角TFT屏
电阻触摸TFT屏
电子墨水屏
树莓派触摸屏
OLED模块
智能家居 LCD 4 英寸方形 TFT LCD 4″
探索尖端的 SF-TO400DX-8979A-CT TFT LCD 显示模块,这是现代技术的奇迹。这种透射式彩色有源矩阵 TFT(薄膜晶体管)液晶显示器 (LCD) 利用非晶硅 TFT 的功率作为开关设备。4 英寸屏幕上的分辨率为 320 (RGB) X 320 点,其调色板高达 262k 种色彩令人着迷。
但这还不是全部。SF-TO400DX-8979A-CT TFT LCD 型号是一款多功能产品,支持 MCU 和 SPI 接口。其驱动 LCD 面板可在 2.7V 至 3.6V 的电源电压 (VCC) 范围内完美运行,典型值可轻松达到 3.3V。
这款强大的产品无法应对极端温度。它可在 -20℃ 至 +70℃ 范围内无缝运行,存储能力范围为 -30℃ 至 +80℃,可确保在任何环境下的可靠性。
这款 LCD 模块配备 PCAP 电容式触摸屏,超越了普通显示器。其应用范围广泛,必不可少,从自动化和 GPS 到医疗和工业设备。它在安全系统、智能家居设置和物联网生态系统中占有一席之地,增强了日常生活的方方面面。
无论是装饰汽车仪表板、为水离子发生器供电,还是为车门显示系统增添光彩,SF-TO400DX-8979A-CT 都以其产生的每幅生动图像证明了其价值。立即体验显示技术的未来。
产品特点:
| Product: | TFT 4″ Inch |
| Resolution: | 320X320 Pixels |
| Interface: | MCU SPI |
| Touch Screen: | With PCAP Capacitive Touch Screen |
| Outline Dimension: | 84.0(W) x 84.0 (H) x 3.37 (T) mm (with touch) |
| Viewing Direction: | All Viewing Angles (85/85/85/85) |
| Pin Number: | 40 Pins |
| Connection: | Plugging |
| Surface Luminance: | 300 Cd/m2 |
| Supply Power: | 3.3 V |
| Current Consumption: | 20 mA |
| Operating Temp.: | -20℃ To +70℃ |
| Life Time: | 40000 Hrs |
| Compliance: | REACH & RoHS Compliant |
智能家居液晶屏 4 英寸,方形 TFT 液晶屏 4″ 绘图


接口引脚定义
| Pin No. | Symbol | Description | When not in use | |||
| 1 | LEDA | B/L positive pin | — | |||
| 2 | LEDK | B/L negative pin | — | |||
| 3 | LEDK | B/L negative pin | — | |||
| 4 | GND | Ground | — | |||
| 5 | VCI | Power supply (2.8-3.3V) | — | |||
| 6 | IOVCC | I/O power supply (1.8-3.3V) | — | |||
| 7 | TE | Tearing effect output | Open | |||
| 8 | CS | Chip selection pin. Low-active. | — | |||
| 9 | RS | Display data/command selectionDCX=’ 1’ : display data or parameter. DCX=’0’ : register index / command. | — | |||
| 10 | WR/SCK | Write enable in MCU interface.In SPI mode, this pin is sck | — | |||
| 11 | RD | Read enable | GND | |||
| 12 | SDI | SPI interface input/output pin. | — | |||
| 13 | SDO | SPI interface output pin. | — | |||
| 14 | GND | Ground | — | |||
| 15-30 | D0-D15 | Horizontal sync input | GND | |||
| 31 | RESET | This signal will reset the device and it must be applied to properly initialize the chip | — | |||
| 32 | IM2 | IM0=0 | IM2=0 | MCU 16 BIT | D[ 15:0] is used | — |
| IM0= 1 | IM2=0 | MCU 8 BIT | D[7:0] is used | |||
| 33 | IM0 | IM0= 1 | IM2= 1 | 4Line SPI | CS,RS,SCK.SDI | — |
| IM0=0 | IM2= 1 | Reserve | – | |||
| 34 | GND | Ground | — | |||
| 35 | TP_INT | TP Interrupt to the host | Open | |||
| 36 | TP_SDA | TP I2C data input and output | Open | |||
| 37 | TP_SCL | TP I2C clock input | Open | |||
| 38 | TP_RES | TP external reset, Low is active | Open | |||
| 39 | TP_VCI | TP power supply (2.8-3.3V) | Open | |||
| 40 | GND | Ground | — | |||
背光电气特性
| Item | Symbol | Min | Typical | Max. | Unit |
| LED module forward Voltage | VB LEDB | 12-13.2 | V | ||
| LED module current | IB LEDB | 30 | 40 | 50 | mA |
| LCM Surface brightness Luminance▼1 | LB SB | —– | 300 | —- | Cd/mP 2P |
| LCM Surface brightness uniform▼2 | LB DBBB | —- | 80 | —- | % |
LCD 电气特性
| parameter | Symbol | Condition | Min | Typ | Max | Unit | |
| Viewing Angle | Φ=3 O’clock | θ | Cr>10 | 75 | 85 | deg | |
| Φ= 6 O’clock | 75 | 85 | |||||
| Φ=9 O’clock | 75 | 85 | |||||
| Φ=12 O’clock | 75 | 85 | |||||
| Contrast ratio | Cr | Φ=0 θ=0 | 800 | 1000 | |||
| Respone time | Tr+Tf | — | 25 | — | ms | ||
| NTSC | % | 55 | 60 | ||||
| CIE(x,y) chromaticty | WHITE | X | θ=0 Φ=0 | Typ -0.03 | 0.294 | Typ +0.03 | |
| Y | 0.329 | ||||||
智能家居液晶屏 4 英寸,方形 TFT 液晶屏 4 英寸真实产品图片



在线留言