Display screen light guide cover and LED display screen

Abstract

This invention provides a light guide cover for a display screen and an LED display screen. The light guide cover is disposed on the display screen body of a pixel unit array and includes: multiple light guide pillar units adapted to and arranged in an array with the pixel units; wherein, each light guide pillar unit covers the corresponding pixel unit; the light guide pillar unit includes a scattering part and a reflecting part disposed at the bottom of the scattering part, the outer surface of the reflecting part is a reflective surface, the pixel unit is located at the bottom of the reflecting part, and the reflective surface is at a specific angle to the pixel unit. Part of the scattered light emitted by the pixel unit enters the reflective part and is directly scattered outward by the scattering part, while another part of the scattered light enters the reflective part, is incident on the reflective surface, undergoes total internal reflection on the reflective surface, and is then incident on the scattering part, and then scattered outward by the scattering part. The light guide cover of this invention improves the fill factor of the display screen body, resulting in a more continuous viewing experience.

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