Display Modules - LCD, OLED, Graphic

A display module is a device used to produce a visible image from an array of data. It consists of a matrix of light-emitting diodes, liquid crystal displays (LCD), organic light-emitting diodes (OLEDs), or graphic display modules.

114990836 Application Field and Working Principle

The 114990836 is a 1121 diode array composed of light-emitting diodes combined with an LCD controlling multiplexed circuit, designed for use in digital products. The device features a 3V integrated select line (“chip enabler”) that allows for long-term data retention, low power consumption and consistent output.

The device consists of an ash-gray and black active matrix LED array with a resolution of 1024×768 pixels and 18.5” diagonal size, capable of displaying full color video images.

The module has a strong black absolute contrast of 800:1 and wide pixel size of 0.1 mm. It also has a low power consumption of 8.5 W and low heat generation of 1.9 W/m2.

The device works by locating the driver chip between the two layers of the LCD, producing a hybrid LCD/LED display. It then uses the multiplexing method to drive the LEDs and apply voltage to selected ones in a row, thus creating a visible image.

The driver chip uses 8.5V power to drive the LEDs, allowing them to produce an image. When this 8.5V power is connected to the appropriate pin, the device can start to work. The control circuit of the device continuously scans the LCD and LEDs, and illuminates the respective LEDs when scanning to display the output signal on the LCD.

Conclusion

The 114990836 module is a low power consuming, efficient LCD displaying solution that offers numerous advantages for use in digital products. With its integrated select line, it is capable of displaying full color images in a clear, bright manner. This makes it an ideal choice for applications that need a reliable and low power consuming display.