Inorganic LED Display Electrode Structure for Vertical Element Alignment
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Solution Overview
Problem
Existing inorganic LED display devices face challenges in durability and efficiency, particularly in high-temperature environments, and require improved manufacturing methods for better alignment and integration of light-emitting elements.
Innovation Solution
A display device design that includes light-emitting elements extending in one direction and aligned perpendicular to electrodes, with a method of manufacturing that involves fixing these elements within an insulating layer, ensuring precise alignment and integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If light-emitting elements are aligned perpendicular to electrodes with precise integration, then operational stability and light output improve, but manufacturing complexity increases
Solution Approach 1:
The insulating layer is formed with a pre-defined groove structure before inserting the light-emitting elements. This preliminary preparation of the insertion groove guides the perpendicular alignment of LED elements during insertion, ensuring consistent orientation without requiring complex post-alignment processes or sophisticated equipment.
Solution Approach 2:
The insulating layer acts as an intermediary component between the electrode and the light-emitting elements. It provides mechanical support, electrical isolation, and structural guidance through its groove, simplifying the overall manufacturing process while ensuring reliable perpendicular alignment of the LED elements.
2Manufacturing precision
If light-emitting elements are fixed within insulating layer, then alignment precision improves, but manufacturing process complexity increases
Solution Approach 1:
The groove is formed in the insulating layer before inserting the light-emitting elements, providing a pre-prepared guide structure that ensures precise alignment. This preliminary action eliminates the need for complex alignment equipment or multi-step positioning processes during assembly.
Solution Approach 2:
The insulating layer is segmented to create a specific groove structure that divides and guides the insertion of light-emitting elements. This segmentation provides natural alignment references and mechanical constraints, achieving high precision without complex manufacturing equipment.
3Use of energy by moving object
If light-emitting elements extend in one direction perpendicular to electrodes, then light output efficiency improves, but device structure complexity increases
Solution Approach 1:
The light-emitting elements are oriented perpendicular to the electrode plane, transitioning from a planar arrangement to a three-dimensional vertical structure. This dimensional change optimizes light extraction efficiency and reduces internal reflections while the insulating layer's groove simplifies the overall device structure by providing inherent alignment guidance.
Data Source
AI summary
A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.