| Module No | CH350HV40C-CTB |
| Display Size | 3.5 inch |
| Resolution | 320x480 dots |
| Contrast | 800:1 |
| Display Mode | IPS/Transmission/Normally Black |
| Viewing Direction | 80/80/80/80 |
| Touch Type | Capacitive Touch |
| Operating Temperature | -20 ~ +70℃ |
The CH350HV40C-CTB by Shenzhen Chenghao Optoelectronic Co., Ltd. is a high-reliability 3.5-inch TFT LCD module designed for professional applications. It features an IPS-based panel in transmissive/normally black mode, delivering 80°/80°/80°/80° wide viewing angles and consistent color accuracy from any angle—ideal for multi-user environments like industrial controls or automotive navigation.
Key display specs include 320×(RGB)×480 resolution, 300 cd/m² typical brightness, and an active area of 48.96 (W) × 73.44 (H) mm within a visible area of 49.76 × 74.24 mm. Backlighting uses LEDs with VF = 18–19.8V, IF = 20mA, balancing efficiency and illumination.
The module integrates a capacitive touch panel (CTP) with a robust multi-layer structure: 1.1mm cover glass (6H hardness), 0.15mm OCA, 0.7mm sensor glass, and 0.175mm double-sided tape, achieving ≥83% total transmittance to preserve visual clarity. Touch communication uses the I²C protocol, enabling low-power, two-wire connection to MCUs—well-suited for battery-powered handheld devices.
Mechanically precise, the module measures 58.4 (W) × 105.4 (L) × 4.3 (T) mm (±0.2 mm tolerance), with tight component-level tolerances ensuring seamless fit into pre-designed enclosures without modification. A dedicated FPC bending area simplifies assembly in space-constrained designs.
It operates reliably from –20°C to +70°C and survives storage temperatures of –30°C to +80°C, making it suitable for harsh industrial, automotive, or medical environments.
Combining wide-view IPS performance, durable capacitive touch, precision mechanics, and environmental resilience, the CH350HV40C-CTB is engineered for demanding embedded display applications.
| Module No | CH350HV40C-CTB |
| Luminance | 300 cd/m2 |
| Contrast | 800:1 |
| Touch Type | Capacitive Touch |
| Operating Temperature | -20 ~ +70 ℃ |
| Color | 16M |
| FPC Pin Number | 50 Pins |
| Module Size | 58.4*105.4*4.3 mm |
| Active Area | 48.96*73.44 mm |
| Interface | SPI+MCU+RGB |
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