
4.2 Inch Circular Display Overview
ET042HD01-TST is a 4.2-inch circular IPS LCD display with a 720 × 720 resolution, designed for wide-temperature applications. It features a transmissive display mode with a TTL interface and an active area of 105.84 × 105.84 mm within an outline dimension of 132.5 × 132.5 mm. The display delivers a typical brightness of 850 cd/m², supports a viewing angle of 80° left/right/up/down, and operates between –30 to 85 °C with storage from –30 to 85 °C. This model includes capacitive touch functionality.

Circular Display Application

Production and Manufacturing


At Youritech, we design and manufacture standard, semi-custom and full custom LCD/OLED display modules,touch screen,driver board,open frame. Contact us today,let our engineering team quickly and accurately feedback you with details.