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US 11,380,670 B2Granted
Ultra-small LED electrode assembly and method for preparing same
AssigneeSamsung Display Co., Ltd.
InventorsYoung Rag Do, Yeon Goog Sung
Life of this patent
Estimating the term…
Abstract
Provided is a method of manufacturing a ultra-small light-emitting diode (LED) electrode assembly, the method including preparing a base substrate, forming an electrode line including a first electrode and a second electrode on the base substrate, positioning a guide member having a plurality of slit portions therein on the base substrate, and inserting ultra-small LED devices into the plurality of slit portions of the guide member.
Claims20
A display device comprising:
- a substrate;
- a first electrode on the substrate and extending in a first direction;
- a second electrode spaced from the first electrode in a second direction and extending in the first direction;
- a guide member on the first electrode and the second electrode and comprising a plurality of openings overlapping with at least a portion of the first electrode and the second electrode and extending in one direction;
- and
- a plurality of light emitting diode (LED) devices in the openings, the plurality of LED devices extending in the one direction,
- wherein the one direction in which an LED device from among the plurality of LED devices is extended is at an angle with respect to the first direction in which the first electrode and the second electrode are extended,
- wherein a first length of the first electrode and the second electrode, which is measured in the first direction, is longer than a first width of the first electrode and the second electrode which is measured in the second direction,
- wherein a second length of the plurality of openings, which is measured in the one direction, is longer than a second width of the plurality of openings which is measured in a direction crossing the one direction,
- wherein each of the first electrode and the second electrode overlaps with two or more openings of the plurality of openings,
- wherein the plurality of LED devices located at each of the openings is extending in and spaced from each other along the one direction, and
- wherein the plurality of LED devices located at different openings is spaced from each other along the direction crossing the one direction in which the openings are extended.
9 more elements
A display device comprising:
- a substrate;
- a first electrode on the substrate, the first electrode comprising a plurality of first portions extending in a first direction and a second portion extending in a second direction,
- a second electrode on the substrate, the second electrode comprising a plurality of third portions spaced from the plurality of first portions of the first electrode in the second direction and a fourth portion extending in the second direction,
- a guide member on the substrate and comprising a plurality of slit portions extending in the second direction and exposing at least a portion of the plurality of first portions of the first electrode and the plurality of third portions of the second electrode;
- and
- a plurality of light emitting diode (LED) devices in the slit portions,
- wherein a length of the slit portions, which is measured in the second direction, is greater than a width of the slit portions, which is measured in the first direction, and
- a long axis direction of the plurality of first portions of the first electrode and the plurality of third portions of the second electrode is perpendicular to a long axis direction of the slit portions,
- wherein each of the plurality of first portions of the first electrode and each of the plurality of third portions of the second electrode overlap with two or more slit portions of the plurality of slit portions,
- wherein the plurality of LED devices located at each of the plurality of slit portions is extending in and spaced from each other along the second direction, and
- wherein the plurality of LED devices located at different slit portions is spaced from each other along the first direction.
8 more elements
Dependencies are inferred from the claim text.