Method for manufacturing light-emitting element and electronic device applying light-emitting element
AssigneeInnolux Corporation
InventorsJian-Jung Shih, Tsau-Hua Hsieh
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Abstract
The disclosure provides a method for manufacturing a light-emitting element, including the following steps. A light-emitting diode is provided. An energy beam is applied to process a surface of the light-emitting diode, where a power density of the energy beam is greater than 0 mJ/cm2 and less than or equal to 2000 mJ/cm2. The light-emitting element manufactured using the method for manufacturing a light-emitting element disclosed in embodiments of the disclosure may improve light extraction efficiency, may have a relatively good light-emitting effect, and may be electrically connected to a drive circuit to constitute an electronic device.
Claims17
A method for manufacturing a light-emitting element, comprising:
- providing a substrate on which a light-emitting diode is formed;
- and
- applying an energy beam to process a surface of the light-emitting diode which is the surface away from the substrate to form a plurality of microstructures, wherein a power density of the energy beam is greater than 0 mJ/cm2 and less than or equal to 2000 mJ/cm2, and from a cross-sectional view, a shape of one of the plurality of microstructures comprises a trapezoid, a rectangle, a triangle, a semi-circle, a semi-ellipse or an irregular shape.
A method for manufacturing a light-emitting element, comprising:
- providing a first substrate on which a light-emitting diode is formed;
- applying a first energy beam to the first substrate to separate the light-emitting diode from the first substrate and expose a buffer layer of the light-emitting diode;
- and
- applying a second energy beam to the buffer layer to form a surface-roughened layer on the light-emitting diode, wherein a power density of the second energy beam is greater than 0 mJ/cm2 and less than or equal to 2000 mJ/cm2, the surface-roughened layer comprises a plurality of microstructures that are separated from each other, from a cross-sectional view, a shape of one of the plurality of microstructures comprises a trapezoid, a rectangle, a triangle, a semi-circle, a semi-ellipse or an irregular shape.
An electronic device, comprising:
- a light-emitting element, wherein a method for manufacturing the light-emitting element comprises:
- providing a first substrate on which a light-emitting diode is formed;
- applying a first energy beam to the first substrate to separate the light-emitting diode from the first substrate and expose a buffer layer of the light-emitting diode;
- and
- applying a second energy beam to the buffer layer to form a surface-roughened layer on the light-emitting diode, wherein a power density of the second energy beam is greater than 0 mJ/cm2 and less than or equal to 2000 mJ/cm2, the surface-roughened layer comprises a plurality of microstructures that are separated from each other, from a cross-sectional view, a shape of one of the plurality of microstructures comprises a trapezoid, a rectangle, a triangle, a semi-circle, a semi-ellipse or an irregular shape;
- and
- a drive circuit electrically connected to the light-emitting element.
Dependencies are inferred from the claim text.