Dissipation Layer Dispersion for Display Visual Distortion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current touch screen computing devices face challenges with visual distortions and potential damage to the display due to internal component pressure, leading to localized distortion or 'pooling' when a user applies input force, which can be misinterpreted as device malfunction.
Innovation Solution
Incorporating a dissipation layer between the display unit and internal electronics components to disperse mechanical forces, thereby minimizing or eliminating visual distortions and protecting the display from damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the thickness of the computing device is reduced, then the device size is decreased, but internal components are positioned closer together causing manufacturing challenges and thermal management issues
Solution Approach 1:
The patent introduces a dissipation layer as a separate component between the display unit and internal electronics, segmenting the device structure to manage the challenges of reduced thickness. This layer specifically addresses the positioning and thermal management issues that arise when components are placed closer together.
Solution Approach 2:
The dissipation layer acts as an intermediary component between the display unit and internal electronics. It mediates the interactions between these components, providing mechanical force dispersion and thermal management capabilities that enable closer component positioning without compromising device integrity.
2Volume of moving object
If internal components are positioned closer to the display unit, then device thickness is reduced, but visual distortions and pooling occur when pressure is applied
Solution Approach 1:
The dissipation layer is positioned in advance between the display unit and internal electronics to cushion against future pressure applications. When a user presses on the display, this pre-positioned layer disperses the mechanical force before it can cause liquid crystal pooling or visual distortions, thereby maintaining display reliability in thin-device configurations.
3Reliability
If a dissipation layer is added to disperse mechanical force, then visual distortions are reduced, but device complexity increases
Solution Approach 1:
The dissipation layer is designed to perform multiple functions simultaneously: it disperses mechanical force to prevent visual distortions, manages thermal energy from internal components, and maintains structural integrity. This multi-functionality justifies the added layer by consolidating several protective and management roles into a single component, thereby limiting the increase in overall device complexity.
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 dissipation layer effectively reduces or eliminates visual distortions and prevents permanent damage to the display by dispersing mechanical forces, ensuring a stable and functional user experience.
Implementation Method 1
the dissipation layer is configured to at least partially disperse a mechanical force applied by the internal electronics component on the display unit when an input force moves the dissipation layer into contact with the internal electronics component
Data Source
AI summary
A dissipation or rigid support layer for a display device (such as a touch screen display device) is provided herein. The display device may include a display unit (e.g., a LCD unit and backlight unit), an internal electronics component, and a dissipation layer disposed between the display unit and the internal electronics component. The dissipation layer may be affixed to a surface of the display unit, and the dissipation layer may be configured to at least partially disperse a mechanical force applied by the internal electronics component on the display unit when an input force moves the dissipation layer into contact with the internal electronics component. In some examples, the dissipation layer is affixed to the surface of the display unit via an adhesive layer (e.g., an optically clear adhesive layer).