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
产品概述
SF-TC400B-8951A-N是一款4英寸方形IPS TFT-LCD显示模块,分辨率为480 x 480像素。它支持RGB SPI串行接口,采用IPS面板,在各个方向(左、右、上、下)提供80度的更宽视角。对比度通常为800:1,亮度为4200尼特(典型值),采用眩光表面面板。宽高比为1:1。
该显示器在模块上集成了驱动IC ST7701S,接口供电电压范围为2.5V至3.6V(典型值2.8V)。该模块可在-20°C至+70°C的温度范围内工作,其存储温度范围为-30°C至+80°C。
规格参数
| Product: | 4 Inch TFT Square Display |
| Resolution: | 480*480 |
| Viewing Direction: | All Viewing Angle, IPS |
| Pin Number: | 40 Pins |
| Surface Luminance: | 420 Cd/m2(nits) Typical |
| Touch Screen: | Without Touch (With CTP Optional) |
| Cover Glass Dimension: | Customizable |
| Interface: | RGB+SPI (MIPI interface optional) |
| Connection: | ZIF |
| LED Lifetime: | 40,000 Hours |
产品图纸


电光特性
| Item | Symbol | MIN | TYP | MAX | UNIT | Test Condition | Note |
| Supply Voltage | Vf | 2.8 | 3.3 | 3.6 | V | If=80MA | – |
| Supply Current | If | – | 50 | mA | – | – | |
| Reverse Voltage | Vr | – | – | 5 | V | – | |
| Input Voltage | Vih | 0.8VDD | VDD | V | – | ||
| Vil | 0 | 0.2VDD | V | ||||
| Input leakage current | Vil | -.01 | 1 | V |
可靠性测试
| Item | Condition | Time (hrs) | Assessment |
| High temp. Storage | 80°C | 120 | No abnormalities in functions and appearance |
| High temp. Operating | 70°C | 120 | |
| Low temp. Storage | -30°C | 120 | |
| Low temp. Operating | -20°C | 120 | |
| Humidity | 60°C/ 90%RH | 120 | |
| Thermal Shock Temp. Cycle | -20°C ¬ 25°C ®70°C (0.5 hour ¬ 5 min ® 0.5 hour) | 10cycles |
产品图像


此款 LCD 还设计为带 CTP,请查看下面的照片演示,其部件编号为 SF-TC400B-8951A-CT


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