Multi-Lens Light Field Display to Minimize Bezel Impact
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Solution Overview
Problem
Conventional light field displays require a bezel region outside the light emitting area, which can affect the 3D image quality and resolution, especially when scaling up to larger formats.
Innovation Solution
The use of a multi-lens configuration, where a plurality of first lenses are disposed on microdisplays and a plurality of second lenses are disposed on the first lenses, with the second lenses having a greater pitch and refracting light to minimize the impact of the bezel region without deteriorating the resolution, allowing for a stereoscopic image to be provided.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a plurality of microdisplays are used to create a large-scale light field display, then the display area and scale are improved, but the bezel region of each microdisplay affects the 3D image quality and resolution
Solution Approach 1:
The system divides the large-scale display into multiple microdisplay modules, each with its own lens assembly. The segmentation allows each module to maintain high resolution independently while contributing to the overall large display area, mitigating the bezel impact through modular architecture
Solution Approach 2:
Lens assemblies are introduced as intermediary optical elements between the microdisplays and the viewer. These lenses refract and redirect light from each microdisplay, effectively masking or minimizing the visual impact of bezel regions while preserving the 3D image quality and spatial resolution
2Stability of the object's composition
If a bezel region is included around the light emitting region of microdisplays, then the structural integrity and module definition are improved, but the bezel region impacts the 3D image quality
Solution Approach 1:
The solution addresses the bezel problem by operating in the optical dimension rather than the structural dimension. Lens assemblies refract light paths to redirect viewer attention away from bezel regions and toward the active light emitting areas, effectively moving the problem from a structural constraint to an optical solution
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 effectively reduces the impact of the bezel region on the 3D image quality, maintaining high resolution and enabling larger-scale light field displays without compromising the stereoscopic experience.
Implementation Method 1
a plurality of first lenses on the plurality of microdisplays and configured to refract light output from the plurality of microdisplays
Implementation Method 2
a plurality of second lenses on the plurality of first lenses and configured to refract light projected from the plurality of first lenses
Data Source
AI summary
A light field device including: a plurality of microdisplays; a plurality of first lenses on the plurality of microdisplays and configured to refract light output from the plurality of microdisplays; and a plurality of second lenses on the plurality of first lenses and configured to refract light that is projected from the plurality of first lenses, wherein each of the plurality of microdisplays includes a light emitting region including a plurality of micro-LEDs and a bezel region surrounding the light emitting region, and a pitch of the plurality of second lenses is greater than a pitch of the plurality of first lenses.