Glass Cover Window Reinforcement to Prevent Folding and Salt Residue
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Solution Overview
Problem
The challenge in manufacturing display devices is the occurrence of glass folding during reinforcement processes and the inefficiency in removing residual salts that can degrade the quality of the glass.
Innovation Solution
A manufacturing apparatus and method involving a stacking unit that moves through multiple locations, including a reinforcing solution, heating, and cooling units, with support portions and a heat transfer member to manage gravitational forces and remove residual salts, ensuring stable glass stacking and reinforcement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If glass cover windows are stacked and reinforced using conventional methods, then the glass structure is strengthened, but glass folding occurs during the reinforcing process
Solution Approach 1:
A support portion is introduced as an intermediary element between the glass cover window and the reinforcing solution. The support portion contacts the glass cover window and prevents direct contact between the glass and the reinforcing solution, thereby preventing glass folding while still allowing the reinforcement process to proceed effectively.
2Strength
If glass cover windows are stacked and reinforced, then the glass structure is strengthened, but residual salt remains in the glass degrading its quality
Solution Approach 1:
The support portion acts as a barrier that prevents residual salt from the reinforcing solution from contacting and contaminating the glass cover window. This intermediary structure allows the reinforcement process to occur while blocking the harmful effect of salt residue, thereby maintaining glass quality.
3Stability of the object's composition
If support portions are placed close to the folding region for stable stacking, then the glass is better supported, but the folding region is damaged
Solution Approach 1:
The support portion is designed with differentiated contact characteristics: it contacts the glass cover window at locations away from the folding region, providing stable support without exerting force on or damaging the fragile folding region. This localized support approach maintains both stacking stability and folding region integrity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach reduces glass folding and effectively removes residual salts, enhancing the strength and quality of the glass used in display devices.
Implementation Method 1
a reinforcing unit arranged at the first location and containing a reinforcing solution such that the plurality of glass cover windows stacked in the stacking unit are submerged in the reinforcing solution
Implementation Method 2
a heating unit arranged at the second location and heating the plurality of glass cover windows stacked in the stacking unit
Implementation Method 3
a cooling unit arranged at the third location and cooling the plurality of glass cover windows stacked in the stacking unit
Implementation Method 4
At the second location, the stacking unit is arranged such that the first direction is parallel to a second direction in which a gravitational force is applied
Data Source
AI summary
An apparatus for manufacturing a display device includes a stacking unit capable of moving to a first location, a second location, and a third location, and stacking glass cover windows, each glass cover window including a folding region having a glass pattern extending in a first direction, a reinforcing unit arranged at the first location and containing a reinforcing solution such that the glass cover windows stacked in the stacking unit are submerged in the reinforcing solution, a heating unit arranged at the second location and heating the glass cover windows stacked in the stacking unit, and a cooling unit arranged at the third location and cooling the glass cover windows stacked in the stacking unit. At the second location, the stacking unit is arranged such that the first direction is parallel to a second direction in which a gravitational force is applied.