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Specializing in the development, manufacturing, and sales of display devices and HMI human-machine interaction products.

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1.8-inch and 4.0-inch TFT circular LCD displays

We offer two TFT circular LCD display modules—1.8 inches and 4.0 inches—designed specifically for smart devices operating in harsh environments. The 1.8‑inch model (360×360 resolution) integrates the ST77916 driver chip and is ideal for compact wearables such as smartwatches. The 4.0‑inch model (720×720 resolution) supports a range of driver chips and is suited for applications like AI‑enabled interactive robots and automotive instrument clusters. Both displays feature ADS wide‑view technology and operate within a temperature range of –30°C to +85°C, ensuring stable and reliable performance even under extreme conditions. We specialize in delivering high‑performance, custom display solutions, offering flexible options for driver chips and form factors to meet your specific project requirements and enhance your product’s capabilities.

Category:

TFT

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Detailed description

1.8-inch TFT circular LCD

This 1.8-inch TFT circular LCD is designed specifically for high-end smartwatches, featuring ADS wide-view technology and a high-resolution 360×360 display that delivers crisp, sharp visuals. With an operating temperature range of –30°C to +85°C, it withstands harsh environmental conditions, while the built-in ST77916 driver chip ensures stable performance. Its 45.684 mm circular active display area seamlessly complements stylish watch‑face designs. We also offer comprehensive custom‑display services to help your wearable products stand out.

Specifications and Parameters

Size	1.8"	Storage temperature	-30℃/+85℃
Perspective Type	ADS	Operating temperature	-30℃/+85℃
Resolution	360(H)×360(V)	External dimensions	47.684(H)×49.54(V)
Driver IC	ST77916	Effective display area size	45.684 (diameter)

4.0-inch round LCD

This 4.0-inch TFT circular LCD is designed for AI pet robots and automotive instrument clusters, featuring a high‑resolution 720×720 display paired with ADS technology to deliver stunning visual performance. With an extreme temperature tolerance ranging from −30°C to +85°C and multiple driver IC options, it offers exceptional flexibility for custom display applications. Its large 101.52 mm circular active display area supports intuitive information presentation, making it a high‑performance LCD solution that enhances the appeal of human–machine interaction.

Specifications and Parameters

Size	4.0"	Storage temperature	-30℃/+85℃
Perspective Type	ADS	Operating temperature	-30℃/+85℃
Resolution	720(H)×720(V)	External dimensions	105.000(H)×109.265(V)
Driver IC	ST7703/ST7703V1/FL7707N	Effective display area size	101.52 (diameter)