LED Unit Transfer Process for Mass, Selective, and Repair Placement
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Solution Overview
Problem
Existing methods for manufacturing light emitting devices lack comprehensive information on LED transfer technology, particularly for mass transfer, selective transfer, and repair transfer.
Innovation Solution
A method for manufacturing light emitting devices involves providing a substrate with light emitting units, attaching them to a carrier, removing the substrate, and transferring a portion of the light emitting units to a driving substrate, enabling mass transfer, selective transfer, or repair transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If LED transfer technology is implemented, then productivity is improved through mass transfer capability, but manufacturing precision deteriorates due to insufficient knowledge on selective and repair transfer
Solution Approach 1:
The patent segments the LED transfer process into three distinct modes: mass transfer for high-volume production, selective transfer for precision placement of specific LEDs, and repair transfer for replacing defective units. This segmentation allows each transfer mode to be optimized independently, resolving the contradiction between productivity and manufacturing precision by providing specialized processes for different production needs
Solution Approach 2:
The patent employs dynamic control mechanisms that allow the transfer system to adapt between different transfer modes based on production requirements. The system can dynamically adjust transfer parameters, selection criteria, and process conditions to maintain high precision during selective and repair operations while achieving high productivity during mass transfer operations
2Adaptability or versatility
If comprehensive LED transfer technology is developed, then adaptability is improved for different transfer scenarios, but device complexity increases due to multiple transfer modes
Solution Approach 1:
The patent creates a universal LED transfer system that integrates three different transfer modes (mass, selective, and repair) into a single platform. This multi-functional system uses common hardware infrastructure and control architecture to perform diverse transfer operations, achieving high adaptability without proportionally increasing device complexity through shared components and standardized interfaces
Data Source
AI summary
A method for manufacturing an electronic device is provided. The method for manufacturing the electronic device includes: providing a substrate with elements disposed thereon and transferring a portion of the elements from the substrate to a driving substrate, wherein transferring the portion of the elements from the substrate to the driving substrate includes: transferring the portion of the elements from the substrate to the driving substrate, which comprises illuminating regions of the substrate overlapped with the portion of the elements by an energy beam, wherein when the substrate is illuminated by the energy beam, the substrate and the driving substrate are separated by a gap.