Pneumatic Ink Dispenser for Precise Camera Hole Sealing
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Solution Overview
Problem
Existing dispenser technologies for mobile devices fail to precisely control ink application and minimize light leakage through camera holes, which affects camera clarity due to the complexity of their structures and lack of precise pneumatic pressure control.
Innovation Solution
A dispenser with a simple structure featuring a detachable syringe, pneumatic pressure control, and a nozzle with an inclined outlet channel, combined with a tornado cleaner and plasma processor for electronic device components, to apply ink precisely and minimize light leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a complex dispenser structure is used to control ink application, then manufacturing precision can be improved, but device complexity increases
Solution Approach 1:
The dispenser is divided into separate functional modules: a replaceable syringe unit for ink storage, a connector with pneumatic control, and a nozzle assembly. This segmentation allows each component to be optimized independently while simplifying the overall structure and enabling easy replacement of the syringe without replacing the entire dispenser system.
Solution Approach 2:
The patent employs pneumatic pressure control through a connector that receives compressed air to drive the plunger in the syringe. This pneumatic mechanism provides precise control over ink discharge without requiring complex mechanical actuation systems, thereby improving manufacturing precision while keeping the device structure relatively simple.
2Speed
If pneumatic pressure control is implemented, then response speed can be improved, but device complexity increases
Solution Approach 1:
A pneumatic control system is integrated into the connector, where compressed air is supplied to actuate the plunger and control ink flow. This provides fast response speed for ink application while maintaining relatively simple device structure by using standard pneumatic components rather than complex electronic or mechanical control systems.
Solution Approach 2:
The system allows dynamic control of ink discharge by adjusting pneumatic pressure levels and timing. The connector can modulate the air pressure to control the speed and amount of ink flow, enabling adaptive response to different application requirements without requiring a completely complex control architecture.
3Ease of operation
If a detachable syringe is used, then ease of operation can be improved, but reliability may worsen due to potential connection issues
Solution Approach 1:
The syringe is designed as a detachable, replaceable component that can be easily removed and replaced from the connector. This segmentation improves ease of operation, allowing users to replace ink cartridges without complex tools or procedures, while the connection interface is designed to maintain reliable sealing through precision fitting and sealing elements.
Solution Approach 2:
The connector serves as an intermediary component that provides a standardized interface between the syringe and the pneumatic control system. It includes sealing elements and alignment features that ensure reliable connection when the syringe is attached, while still allowing easy detachment when needed, thus balancing ease of operation with connection reliability.
4Object-affected harmful factors
If ink is applied to minimize light leakage, then camera clarity can be improved, but manufacturing precision requirements increase
Solution Approach 1:
Pneumatic pressure control enables precise regulation of ink flow rate and discharge timing, allowing the ink to be applied accurately to the hole edges where it is needed to block light leakage. This pneumatic control system provides the manufacturing precision required for effective light leakage prevention without requiring overly complex application mechanisms.
Solution Approach 2:
The ink application is targeted specifically to the local areas where holes are present in the display panel, rather than applying ink uniformly across the entire surface. The pneumatic control system enables localized ink deposition at the precise locations needed to block light leakage, improving effectiveness while reducing the overall precision requirements compared to full-surface application.
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
The dispenser effectively adjusts ink discharge and improves response speed by controlling pneumatic pressure, allowing for easy syringe replacement and precise ink application, thereby reducing light leakage and enhancing camera clarity in mobile devices.
Implementation Method 1
a tube assembly to which the syringe is detachably coupled and which injects air that moves the plunger into the syringe
Implementation Method 2
The connector may include an elastic member with an inner space formed therein
Implementation Method 3
a tornado cleaner, which performs a process of suspending and suctioning foreign substances by supplying pneumatic pressure to a hole formed in an electronic device component
Implementation Method 4
a plasma processor that performs a process of plasma processing the electronic device components
Data Source
AI summary
A dispenser comprises: a nozzle having a nozzle hole; a connector to which the nozzle is coupled; a syringe detachably coupled to the connector, having a space in which the ink is contained, and provided with a plunger; and a tube assembly to which the syringe is detachably coupled and which injects air that moves the plunger, into the syringe.