Microlens for micro-led and micro-led chip

Abstract

The present invention provides a microlens for a micro-LED, including: a spacer portion arranged between a light-emitting mesa of the micro-LED and a lens portion to adjust the position of the focal point of the lens portion relative to the light-emitting mesa; and a lens portion arranged on the spacer portion to shape light from the light-emitting mesa, where the diameter of the upper surface of the light-emitting mesa facing the microlens is n, the spherical height of the lens portion is an, the radius of curvature is m, the height of the spacer portion is bn, the width of the spacer portion is cn, and the curvature of the lens portion is m, wherein a, b, c, m, and n are all positive numbers, wherein:

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