Optoelectronic device with micrometric or nanometric light-emitting diode on which an optical lens is mounted
AssigneeAledia
InventorsOlivier JEANNIN, Frédéric MAYER
Life of this patent
Estimating the term…
Abstract
An optoelectronic device includes at least one light-emitting diode having a three-dimensional shape having a height along a longitudinal axis and having a first longitudinal dimension measured along the longitudinal axis and at least a second transverse dimension corresponding to a dimension of the three-dimensional shape measured perpendicular to the longitudinal axis. The first longitudinal dimension and the second transverse dimension are each less than or equal to substantially 20 μm. The optoelectronic device has at least one optical lens capable of transforming the light rays emitted by the light-emitting diode which pass through the optical lens.
Claims19
An optoelectronic device comprising:
- a substrate delimiting a support face and at least one light-emitting diode formed on the support face, said at least one light-emitting diode having a three-dimensional shape comprising a height according to a longitudinal axis extending according to a first direction directed transversely to the support face and having a first longitudinal dimension considered according to the longitudinal axis between a proximal portion of the light-emitting diode directed towards the support face and a distal portion of the light-emitting diode opposite, along the first direction, to said proximal portion, and at least one second transverse dimension corresponding to a dimension of said three-dimensional shape considered perpendicularly to the longitudinal axis, wherein each of the first longitudinal dimension and the second transverse dimension is smaller than or equal to about 20 μm, the optoelectronic device includes at least one optical lens adapted to transform the light rays emitted by the light-emitting diode that cross said optical lens (14), formed above the distal portion of the light-emitting diode according to the first direction in a manner generally axially aligned with the longitudinal axis of the light-emitting diode and having an outer surface adapted to be crossed by at least one portion of said light rays having a convex shape.
A manufacturing method for manufacturing an optoelectronic device, the method including the following steps:
- a) formation of a substrate delimiting a support face,
- b) formation of at least one light-emitting diode having a three-dimensional shape comprising a height according to a longitudinal axis extending according to a first direction directed transversely to the support face and having a first longitudinal dimension considered according to the longitudinal axis between a proximal portion of the light-emitting diode directed towards the support face and a distal portion of the light-emitting diode opposite, along the first direction, to said proximal portion, and at least one second transverse dimension corresponding to a dimension of said three-dimensional shape considered perpendicularly to the longitudinal axis, wherein each of the first longitudinal dimension and the second transverse dimension is smaller than or equal to substantially 20 μm, and
- a) formation of at least one optical lens above the distal portion of the light-emitting diode according to the first direction so that the optical lens is generally axially aligned with the longitudinal axis of the light-emitting diode, the formed optical lens being adapted to transform the light rays emitted by the light-emitting diode that cross the optical lens and having an outer surface adapted to be crossed by said light rays having a convex shape.
Dependencies are inferred from the claim text.