Back to results
US 2022/0190302 A1Published application
Light emitting element, manufacturing method thereof, display device including light emitting element, and manufacturing method thereof
AssigneeLG Display Co., Ltd.
InventorsKyoungwon MIN, Jaekyeong YUN, Sangkyu KIM
Life of this patent
Estimating the term…
Abstract
A light emitting element include: a spherical conductive ball made of a metal material having conductivity; a light emitting layer covering a portion of a surface of the conductive ball; a metal layer formed on the light emitting layer; and an insulating layer covering at least a portion of a remaining portion of the surface of the conductive ball.
Claims20
A light emitting element comprising:
- a spherical conductive ball;
- a light emitting layer covering a portion of a surface of the spherical conductive ball;
- a metal layer formed on the light emitting layer;
- and
- an insulating layer covering at least a portion of a remaining portion of the surface of the spherical conductive ball.
2 more elements
A manufacturing method of a light emitting element, comprising:
- forming a base layer at which conductive balls are disposed on a plate;
- forming an insulating layer on the base layer;
- forming a light emitting layer and a metal layer on the insulating layer;
- and
- separating the conductive balls from each other.
2 more elements
A display device comprising:
- a substrate on which a circuit element layer comprising at least one circuit element is disposed;
- an anode electrode formed on the circuit element layer;
- a bank configured to cover an edge of the anode electrode and to define a light emitting part;
- at least one light emitting element disposed on the anode electrode by corresponding to the light emitting part;
- and
- a cathode electrode covering the at least one light emitting element and the bank,
- wherein the light emitting element comprises:
- a spherical conductive ball;
- a light emitting layer covering a portion of a surface of the conductive ball;
- a metal layer formed on the light emitting layer;
- and
- an insulating layer covering at least a portion of a remaining portion of the surface of the conductive ball.
9 more elements
A manufacturing method of a display device, the method comprising:
- forming a circuit element layer comprising at least one circuit element on a substrate;
- forming an anode electrode on the circuit element layer;
- forming a bank covering an edge of the anode electrode and defining a light emitting part;
- applying adhesive on the anode electrode;
- disposing at least one light emitting element on the anode electrode by corresponding to the light emitting part;
- and
- forming a cathode electrode covering the at least one light emitting element and the bank,
- wherein the light emitting element comprises:
- a spherical conductive ball;
- a light emitting layer covering a portion of a surface of the conductive ball;
- a metal layer formed on the light emitting layer;
- and
- an insulating layer covering at least a portion of a remaining portion of the surface of the conductive ball.
10 more elements
Dependencies are inferred from the claim text.