Display Panel Bottom Sheet with Light Absorption for Wiring Visibility
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Solution Overview
Problem
The visibility of wiring patterns on the panel bottom sheet of organic light-emitting display devices is a significant issue due to light reflection, which deteriorates display quality, especially in outdoor environments.
Innovation Solution
The implementation of a first light-absorbing layer on the top surface of the cover base, optionally accompanied by a second light-absorbing layer on the bottom surface, to absorb and reduce light reflection from the wiring patterns, thereby minimizing their visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wiring patterns are formed on the panel bottom sheet, then functional requirements (auxiliary devices, digitizers) can be integrated, but light reflection from the wiring patterns causes visibility issues and deteriorates display quality
Solution Approach 1:
A light-absorbing layer is introduced as an intermediary between the wiring patterns and the external environment. This layer absorbs reflected light before it reaches the viewer's eye, thereby eliminating the visibility problem of the wiring patterns while preserving their functional integration capability.
Solution Approach 2:
The harmful light reflection from the metal wiring patterns is converted into a beneficial effect by using a light-absorbing layer that transforms the reflected light into absorbed energy, thereby converting the harmful visibility issue into a solution that maintains both functionality and aesthetic quality.
2Object-affected harmful factors
If a light-absorbing layer is added to reduce wiring pattern visibility, then display quality is improved, but the device structure becomes more complex
Solution Approach 1:
The light-absorbing layer is merged with the existing panel bottom sheet structure, forming an integrated composite structure. This combining approach reduces the overall device complexity by eliminating the need for separate, standalone light-absorbing components while still achieving the desired visibility reduction effect.
Solution Approach 2:
The panel bottom sheet is transformed into a composite structure that integrates the light-absorbing layer with the base material. This composite approach allows the structure to simultaneously provide mechanical support, electrical functionality, and optical absorption properties, thereby managing complexity through material integration rather than adding separate components.
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 solution effectively reduces the visibility of wiring patterns by significantly absorbing light, enhancing display quality and maintaining aesthetic integrity, particularly in outdoor conditions.
Implementation Method 1
a first light-absorbing layer 120 disposed on the top surface of the cover base 110
Data Source
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AI summary
A panel bottom sheet and a display device including the same are provided. The panel bottom sheet includes a first base, a first light-absorbing layer disposed on a top surface or a bottom surface of the first base, a top bonding layer disposed above the first base and the first light-absorbing layer, an interlayer bonding layer disposed below the first base and the first light-absorbing layer, and a wiring pattern portion disposed below the interlayer bonding layer and including a plurality of wiring patterns.