Integrated Cover Assembly for Thin Display Stacks
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Solution Overview
Problem
Existing electronic devices with displays face challenges in achieving a thinner, lighter, and cost-effective design while maintaining optimal display quality and user experience, particularly in integrating antiglare and touch sensor layers effectively.
Innovation Solution
The integration of an outer antiglare layer and a touch sensor layer with a single substrate or individual substrates laminated together in the display stack, utilizing materials like Indium tin oxide (ITO), silver nanowiring, and conductive metals, and applying antiglare coatings or films with additional properties to enhance durability and optical quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If multiple separate layers (antiglare layer, touch sensor layer, substrate) are used in the display stack, then functional performance is maintained, but device thickness and weight increase
Solution Approach 1:
The patent combines the antiglare layer, touch sensor layer, and substrate into a single integrated cover component. The cover component includes a substrate with an antiglare outer layer and a touch sensor layer formed on the substrate, eliminating the need for separate layers and reducing overall display stack thickness while maintaining all required functions.
2Weight of stationary object
If traditional multi-layer construction is used, then structural stability is achieved, but device weight increases
Solution Approach 1:
The patent integrates multiple functional layers into a single cover component structure. The cover component comprises a substrate with integrated antiglare outer layer and touch sensor layer, reducing the number of discrete components and overall weight while maintaining structural integrity through the unified design.
3Ease of manufacture
If conventional display construction is used, then manufacturing simplicity is maintained, but production cost increases
Solution Approach 1:
The patent consolidates the antiglare layer, touch sensor layer, and substrate into a single integrated cover component that can be manufactured as one unit. This integration reduces the number of separate manufacturing steps, materials required, and assembly operations, thereby lowering production costs while maintaining manufacturing feasibility.
4Adaptability or versatility
If rigid substrates are used, then structural strength is achieved, but flexibility and ability to conform to curved surfaces is reduced
Solution Approach 1:
The patent employs a substrate in the cover component that can be configured to provide flexibility while maintaining structural integrity. The integrated design allows the substrate to conform to curved surfaces and provide the necessary mechanical properties for flexible or curved display applications.
Data Source
AI summary
Describe herein are electronic devices that includes a display stack having a cover component atop a lightguide component and a display component below the lightguide component. In some instances, the cover component including an antiglare layer having at least some antiglare properties applied to a top surface of a substrate and a touch pattern applied to a bottom surface of the substrate. In some cases, the touch pattern is a single layer multi-touch pattern connected to a touch controller to from a touch sensor capable of detecting the location of an object proximate to antiglare layer.