3D Display Element with Redundant Emission Regions
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Solution Overview
Problem
Existing 3D display systems face challenges in achieving improved radiation characteristics and efficient calibration of 3D display elements to provide a realistic three-dimensional image without additional aids, such as shutter glasses or polarization filters, by accurately directing electromagnetic radiation from emission regions into specific zones within the field of view.
Innovation Solution
The 3D display element employs a large number of emission regions, grouped and aligned with optical elements like lenses to direct electromagnetic radiation into distinct zones, allowing for the representation of multiple perspectives within the field of view, with calibration data stored in memory to optimize the alignment and operation of emission regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the number of emission regions is increased to improve radiation characteristics and compensate for misaligned or defective regions, then the reliability of the 3D display element is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent changes the parameter of emission region quantity from the conventional 1:1 mapping to a many-to-many relationship where the number of emission regions exceeds the number of pixels. This parameter change enables redundancy that compensates for misaligned or defective emission regions, improving radiation characteristics without requiring perfect alignment of each individual emission region.
Solution Approach 2:
The patent implements beforehand cushioning by providing excess emission regions that serve as backup or compensation for potentially misaligned or defective regions. This redundant configuration ensures that even if some emission regions do not direct radiation perfectly into the intended zone, the overall radiation characteristics remain acceptable through the contribution of other emission regions.
2Manufacturing precision
If calibration data is stored in memory to optimize alignment of emission regions, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The patent implements feedback by storing calibration data in memory that records the actual positions and alignment characteristics of emission regions. During operation, this calibration data is used to optimize the mapping between emission regions and pixels, compensating for manufacturing variations. The feedback mechanism allows the system to adapt to actual physical conditions rather than relying solely on theoretical design positions.
Solution Approach 2:
The patent uses calibration data as a digital copy or representation of the physical emission region configuration. This calibration data serves as a virtual model that can be processed and used for optimization without requiring physical modification of the emission regions themselves, simplifying the alignment optimization process.
3Measurement precision
If optical elements are used to direct electromagnetic radiation into distinct zones, then the measurement precision of radiation direction is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent applies segmentation by dividing the display into multiple zones, each served by specific emission regions and optical elements. This segmentation allows independent optimization and calibration of different regions, making the overall system more manageable despite the complexity introduced by optical elements. Each zone can be calibrated separately using stored calibration data.
Solution Approach 2:
The patent implements universality by using the same type of optical elements (lenses) for multiple emission regions. Rather than requiring custom-designed optical elements for each emission region, the system uses standardized lenses that can be manufactured and integrated more easily, while still achieving precise radiation direction control through the combination of optical elements and calibration data.
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 approach enables a realistic three-dimensional image impression by compensating for misaligned or defective emission regions, ensuring that electromagnetic radiation is directed into the correct zones, thereby enhancing the overall radiation properties and calibration efficiency of the 3D display system.
Implementation Method 1
The emission regions are, for example, light emitting diodes that emit electromagnetic radiation from a specified colour locus during intended operation
Implementation Method 2
a conversion element can be arranged downstream of the light emitting diodes, which converts the electromagnetic radiation generated within the light emitting diodes into electromagnetic radiation of a different colour location
Implementation Method 3
The 3D display element employs a large number of emission regions, grouped and aligned with optical elements like lenses to direct electromagnetic radiation into distinct zones
Data Source
AI summary
A 3D display element (2) comprising a plurality of emission regions (20) adapted to emit electromagnetic radiation (L), wherein at least some emission regions (20) are associated with a first group and at least some emission regions (20) are associated with a second group (21, 22), wherein by means of the emission regions (20) of the first group (21) respectively a pixel (100) of a first perspective (11) of an image (B) can be represented, and by means of the emission regions (20) of the second group (22) respectively a pixel (100) of a second perspective (12) of the image (B) can be represented the sum of all emission regions (20) is greater than the sum of all pixels (100) of all perspectives (11, 12).