Small pitch LED display module and manufacturing method thereof

Abstract

The present disclosure provides a small pitch LED display module and a manufacturing method thereof. The small pitch LED display module comprises a mounting substrate, an LED display panel and a protective colloid. The LED lamp panel comprises a circuit board and LEDs arranged on the circuit board at intervals, the circuit board is arranged on a surface of one side of the mounting substrate, and the LEDs are arranged on a surface of the side, far away from the mounting substrate, of the circuit board. The protective colloid comprises a first colloid part and a second colloid part. The first colloid part is arranged in gaps between the LEDs, and the second colloid part is positioned on upper surfaces of the first colloid part and the LEDs. A thickness of the second colloid part is smaller than 1.0 mm, and a surface of the side, far away from the circuit board, of the second colloid part is a rough surface. The protective colloid may realize a good protection function on each LED, and the second colloid part makes a surface easier to clean. In addition, the smaller thickness and rough surface of the second colloid part are favorable for reducing moire problems caused by the protective colloid and endow the display module with higher anti-glare performance.

Dependencies are inferred from the claim text.