0.42″ 72×40 Monochrome OLED Display – LGO7240B-042

The Longtech LGO7240B-042 is a compact 0.42-inch 72×40 monochrome OLED display designed for wearable electronics, compact instruments and space-constrained embedded systems. The OLED panel measures 12.0 × 11.0 mm, with a 10.2 × 6.18 mm viewing area and a 9.2 × 5.18 mm active area. Its 0.11 × 0.11 mm pixels and 0.13 × 0.13 mm pixel pitch provide a high-density white-on-black display for icons, status information and compact graphical interfaces.

The module uses an SSD1315 OLED controller and supports a 4-wire SPI interface through CS, RES, DC, SCLK and SDIN signals. The 16-pin FPC provides the display interface together with the required power and charge-pump connections, making the module suitable for compact MCU-based designs where a dedicated SPI interface is preferred.

The standard version provides a white monochrome OLED display with an operating temperature range of -20°C to +70°C and a storage temperature range of -30°C to +80°C. The product is RoHS compliant. FPC length, interface configuration and other mechanical or electrical details can be customized according to project requirements where applicable.