4 Inch Square Display Overview
The ET040HD20-KT is a 4-inch square TFT LCD display featuring a 720×720 resolution and a MIPI interface. It operates in transmissive mode and supports capacitive touch input. The display offers a high brightness of 650 cd/m² and a wide viewing angle of 85° in all directions (L/R/U/D), ensuring clear and vivid images from nearly any angle. Its active area measures 71.93×71.93 mm, with an overall outline dimension of 84×85.99 mm. Designed for demanding environments, it operates reliably across a wide temperature range of –30 °C to 80 °C and can be stored safely from –30 °C to 85 °C.
More 4 Inch Square Display For Reference
ET040WF03-TT (480x480, MIPI, IPS, 500nits, -20~70°C, 83x83mm)
ET040SQ02-TT (480x480, TTL, IPS, 300nits, -20~70°C, 81.8x84.95mm)
ET040HD20-KT (480x480, CPU/SPI, IPS, 500nits, -20~70°C, 74.86x76.73mm)
ET040SQ01-TT (720x720, MIPI, IPS, 400nits, -20~70°C, 84.37x84.37mm)
ET040HD20-K (720x720, MIPI, IPS, 700nits, -30~80°C, 77x80mm)
ET040HD20-KT (720x720, MIPI, IPS, 650nits, -30~80°C, 84x85.99mm)
ET039HV01-DX (320x320, CPU/SPI, IPS, 300nits, -10~60°C, 78.4x78.4mm)
ET040HD21-K (720x720, TTL, IPS, 700nits, -30~80°C, 80x77mm)
ET040SM01-VT (480x480, SPI, IPS, 350nits, -20~70°C, 84x84mm)
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