Transparent Display Wire Layout for Slit Diffraction Reduction
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Solution Overview
Problem
Transparent displays used in augmented and mixed reality applications suffer from slit diffraction due to gaps between electronic components, leading to light spots or superimposition issues that degrade the final image quality.
Innovation Solution
Incorporating serpentine parts in the display's wires, which surround opening areas and have a length ratio of at least 10% of the total extending length, to reduce diffraction by increasing edge inconsistency and enhancing light transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If electronic components are arranged with gaps between them in the transparent display, then the components can be properly positioned and connected, but slit diffraction occurs when light passes through the gaps, causing light spots or superimposition that degrades image quality
Solution Approach 1:
The patent applies asymmetry by designing wires with serpentine parts instead of straight lines. The serpentine configuration creates inconsistent edge patterns around opening areas, which disrupts the regular diffraction patterns caused by uniform gaps between electronic components. This asymmetric wire design reduces the formation of light spots and superimposition artifacts in the final image.
Solution Approach 2:
The patent employs curvature through serpentine wire parts that follow curved paths rather than straight lines. These curved wire segments surround opening areas with non-linear edges, which modifies the diffraction behavior of light passing through the transparent display. The curved geometry helps distribute and reduce diffraction effects compared to straight-edged openings.
2Device complexity
If wires are made straight to simplify the structure, then manufacturing is easier, but diffraction effects are enhanced due to uniform edge patterns around opening areas
Solution Approach 1:
The patent introduces asymmetry into the wire structure by incorporating serpentine parts with irregular, non-uniform patterns. This asymmetric design breaks the uniformity of edge patterns around opening areas, thereby reducing coherent diffraction effects that would otherwise be produced by regular, straight wire configurations.
Solution Approach 2:
The patent applies local quality by making only specific portions of the wires serpentine rather than the entire wire structure. The serpentine parts are strategically positioned to surround opening areas where diffraction occurs, while other portions of the wires can remain simpler. This localized application reduces overall device complexity while still achieving the diffraction reduction goal.
3Object-affected harmful factors
If the ratio of serpentine part length to total wire length is increased to reduce diffraction, then image quality improves, but the wire path becomes more complex and manufacturing difficulty increases
Solution Approach 1:
The patent implements local quality by concentrating serpentine configurations specifically at regions surrounding opening areas where diffraction occurs, rather than making the entire wire path complex. This localized serpentine design ensures that the critical diffraction-reducing functionality is present where needed most, while minimizing overall wire path complexity and manufacturing difficulty.
Solution Approach 2:
The patent applies partial action by requiring that the serpentine parts constitute at least 10% of the total wire length. This threshold ensures sufficient diffraction reduction effect is achieved through the serpentine portions surrounding opening areas, while avoiding excessive wire path complexity that would occur if the entire wire structure were made serpentine. The 10% threshold represents an optimized balance between effectiveness and 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 serpentine parts effectively minimize diffraction, ensuring accurate image display by aligning with light transmittable areas and reducing inconsistencies at opening edges, thereby improving image clarity.
Implementation Method 1
These gaps may cause slit diffraction when light emitted from the actual scene passes through the transparent display
Data Source
AI summary
This disclosure relates to a transparent display that includes a transparent substrate, a plurality of wires, and a plurality of electronic components. The wires are disposed on the transparent substrate, and the wires have at least one serpentine part having a first end and a second end that are opposite to each other. There is an extending path formed from the first end to the second end. The electronic components are disposed on the plurality of wires. The wires have at least one part that surrounds an opening area and has a total extending length. The at least one part of the wires includes the at least one serpentine part. A ratio of a sum in length of the at least one serpentine part along the extending path to the total extending length is equal to or greater than 10%.