Optoelectronic Device Light Transmissive Regions Diffraction Control
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Solution Overview
Problem
Opto-electronic devices, such as OLEDs, face challenges in maintaining transparency while minimizing interference from diffraction patterns caused by the shape of light transmissive regions, which can distort information and affect light transmission.
Innovation Solution
The device incorporates light transmissive regions with closed boundaries of non-polygonal shapes, such as elliptical or circular configurations, arranged in a transverse configuration to alter diffraction patterns and mitigate interference, along with an opaque coating that filters light through defined apertures to prevent unwanted transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If light transmissive regions are made substantially transparent to allow light passage, then light transmission is improved, but diffraction patterns are generated that cause interference and distort transmitted information
Solution Approach 1:
The patent applies curvature by replacing polygonal boundaries with circular or elliptical shapes for the light transmissive regions. This curvature modification alters the diffraction pattern characteristics, reducing the harmful interference effects while maintaining the light transmission function. The curved boundaries scatter light more uniformly, minimizing the formation of distinct diffraction spikes and patterns that would otherwise distort transmitted information.
2Object-affected harmful factors
If an opaque coating is applied to filter light through defined apertures, then unwanted light transmission is prevented, but the device complexity increases
Solution Approach 1:
The opaque coating layer is designed to serve multiple functions simultaneously: it acts as a light filter to block unwanted transmission, provides structural support for the light transmissive regions, and can be integrated with the electrode structures. By making this layer multi-functional, the patent reduces the need for additional separate components, thereby limiting the increase in device complexity while achieving effective light filtering.
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
This configuration ensures consistent light transmittance across transmissive regions, reduces diffraction interference, and allows for effective light passage through the device, enhancing the clarity and accuracy of transmitted information.
Implementation Method 1
a plurality of light transmissive regions, each extending through the device along a first axis, for allowing passage of light therethrough
Implementation Method 2
an opaque coating that filters light through defined apertures to prevent unwanted transmission
Implementation Method 3
the shape of the boundary of the light transmissive regions may impart a diffraction pattern to the light transmitted therethrough
Data Source
AI summary
An opto-electronic device comprises light transmissive regions extending through it along a first axis to allow passage of light therethrough. The transmissive regions may be arranged along a plurality of transverse configuration axes. Emissive regions may lie between adjacent transmissive regions along a plurality of configuration axes to emit light from the device. Each transmissive region has a lateral closed boundary having a shape to alter at least one characteristic of a diffraction pattern exhibited when light is transmitted through the device to mitigate interference by such pattern. An opaque coating may comprise at least one aperture defining a corresponding transmissive region to preclude transmission of light therethrough other than through the transmissive region(s). The device can form a face of a user device having a body and housing a transceiver positioned to receive light along at least one light transmissive region.