Light-Emitting Element Concave Pattern Self-Assembly
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display devices face challenges in achieving high assembling rates, reducing manufacturing processes, and suppressing color mixture defects in light-emitting elements.
Innovation Solution
The implementation of a light-emitting element with a concave pattern and a display device featuring an assembly substrate with alternating assembling electrodes and concave-convex structures, allowing for self-assembly of light-emitting elements with improved precision and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional light-emitting elements are assembled without self-assembly structures, then the assembling process is simpler, but the assembling rate is low and positioning precision is poor
Solution Approach 1:
The light-emitting element performs self-assembly by utilizing its own concave pattern structure to automatically align and position itself on the assembly substrate without requiring external positioning mechanisms or complex assembly equipment, thereby improving assembling rate while keeping the element structure relatively simple
Solution Approach 2:
The concave pattern is pre-formed on the light-emitting element during its manufacturing process, so that when the element is placed on the assembly substrate with pre-formed concave-convex structures, the positioning function is already built-in, enabling rapid self-alignment without additional positioning steps
2Productivity
If multiple separate manufacturing processes are used for light-emitting elements, then the quality control is more thorough, but the number of manufacturing processes increases and productivity decreases
Solution Approach 1:
The concave pattern formation process is merged with the existing light-emitting element manufacturing process, combining multiple separate processes into a unified workflow. This reduces the total number of manufacturing steps while maintaining quality control through integrated process management
Solution Approach 2:
The concave pattern structure serves multiple functions simultaneously: it provides positioning during assembly, ensures proper alignment with the assembly substrate, and maintains structural integrity during manufacturing. This multi-functionality reduces the need for separate dedicated processes for each function
3Reliability
If light-emitting elements are assembled without color-specific structures, then the assembly process is faster, but color mixture defects occur
Solution Approach 1:
The concave pattern is designed with color-specific local characteristics (different shapes, sizes, or configurations for different colors), allowing each light-emitting element to be automatically identified and positioned in its correct location during assembly, preventing color mixture defects while maintaining fast self-assembly rates
Solution Approach 2:
The concave pattern differentiation uses visual or geometric characteristics that correspond to different colors, enabling the assembly system to distinguish between different colored light-emitting elements and place them in the correct positions without requiring complex color-detection mechanisms, thus maintaining high assembling rate while ensuring color purity
Data Source
Figure 1~2A
Figure 2B~2C
Figure 3A~3B
AI summary
An assembling substrate in which a plurality of light-emitting elements are self- assembled is presented herein. The assembling substrate comprises an assembly substrate; a plurality of first assembling electrodes on the assembly substrate; a plurality of second assembling electrodes on the assembly substrate , the plurality of second assembling electrodes alternating on the assembly substrate with the plurality of first assembling electrodes; and a plurality of concave-convex structures, wherein each of the plurality of concave-convex structures is between one of the plurality of first assembling electrodes and one of the plurality of second assembling electrodes