Automated Rubbing Apparatus for LCD Dummy Substrate Handling
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Solution Overview
Problem
The existing rubbing apparatus for liquid crystal display panels requires manual operation to transfer and return dummy substrates for aligning rubbing cloths, leading to inefficiencies, increased operator fatigue, and reduced productivity, especially as larger substrates make manual handling difficult or impossible.
Innovation Solution
An automated system with a robot that transfers and returns dummy substrates within the rubbing apparatus, eliminating the need for manual labor by using an internal port and robot to automatically move substrates and dummy substrates between cassettes and rubbing units for alignment and re-alignment processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operation is used to transfer and return dummy substrates for aligning rubbing cloths, then the rubbing apparatus can perform the alignment process, but operator fatigue increases and productivity decreases
Solution Approach 1:
The rubbing apparatus performs self-service by automatically transferring and returning dummy substrates using its own robot and internal port, eliminating the need for external manual intervention and enabling continuous operation without operator fatigue
Solution Approach 2:
The patent replaces the manual mechanical system with an automated robot system that uses mechanical arms and control systems to transfer substrates, substituting human labor with automated machinery
2Ease of operation
If manual operation is used to transfer and return dummy substrates, then the alignment process can be performed, but the time required for alignment increases
Solution Approach 1:
The automated system enables continuous operation by eliminating interruptions for manual substrate transfer, allowing the rubbing apparatus to perform alignment processes continuously without waiting for operator intervention
Solution Approach 2:
The apparatus performs self-service by automatically managing dummy substrate transfer and return operations, eliminating time losses associated with manual intervention and enabling uninterrupted alignment processes
3Ease of operation
If manual handling is used for larger substrates, then the rubbing process can be performed, but handling becomes difficult or impossible
Solution Approach 1:
The patent replaces manual mechanical handling with an automated robot system capable of lifting and positioning large, heavy substrates that would be impossible to handle manually, extending the apparatus capability to larger substrate sizes
Solution Approach 2:
The rubbing apparatus performs self-service by using its own robot system to handle substrate transfer, eliminating dependence on external manual handling and enabling independent processing of large substrates
Data Source
AI summary
A rubbing apparatus and method for liquid crystal display panels are provided. The apparatus includes at least one cassette for keeping at least one mother substrate to be rubbed, an internal port for keeping at least one dummy substrate for performing alignment of a rubbing material, at least one rubbing unit for receiving the at least one mother substrate from the at least one cassette to perform a rubbing thereon using the rubbing material, or receiving the at least one dummy substrate from the internal port to perform an alignment process of the rubbing material, and a robot for transferring or returning the at least one mother substrate kept in the at least one cassette, the at least one dummy substrate kept in the internal port, the at least one mother substrate which has been rubbed in the at least one rubbing unit, or the at least one dummy substrate on which the alignment process of the rubbing material has been performed.