MICRO LIGHT-EMITTING DIODE, MICRO LIGHT-EMITTING ELEMENT AND PREPARATION METHOD THEREFOR, AND DISPLAY

• Main Authors: PENG, Yuren, WANG, Jing, CHEN, Jinhua, WANG, Yanqin, GUO, Huanshao
• Format: Patent
• Language: Chinese; English; French
• Published: 07.03.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

Disclosed in the present invention are a micro light-emitting diode, a micro light-emitting element and a preparation method therefor, and a display. The micro light-emitting element comprises a substrate, and at least one micro light-emitting diode which is arranged on the substrate. The micro light-emitting diode comprises: a semiconductor epitaxial stack, which comprises a first-type semiconductor layer, an active layer and a second-type semiconductor layer that are arranged in sequence, and has a first surface and a second surface that are opposite to each other, the first surface being close to one side of the first-type semiconductor layer, the second surface being close to one side of the second type semiconductor layer, and the first surface being close to the substrate; and an adhesive film layer, which is located between the substrate and the first surface of the semiconductor epitaxial stack. The micro light-emitting element is characterized in that an etching protection layer is arranged between t