Lenticular Display Boundary Smoothing via Perceived Pixel Dimming
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Solution Overview
Problem
Electronic devices with lenticular displays face challenges in providing smooth curved edges in active areas due to jaggedness caused by individual pixel visibility and the complicating effect of lenticular lenses, which alter perceived pixel size and location.
Innovation Solution
The implementation of dimming factors based on the perceived pixels rather than physical pixels to smooth the curved edges, using a system to correlate physical and front-of-screen pixel positions and sizes, and applying these correlations to modify pixel data to achieve a smooth appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If lenticular lenses are used to enable stereoscopic viewing, then three-dimensional image perception is improved, but jaggedness in curved edges appears due to altered perceived pixel size and location
Solution Approach 1:
The patent changes the parameters of pixel data by applying dimming factors that adjust brightness values based on the perceived pixel positions through lenticular lenses. This compensates for the distortion caused by the lenses and maintains smooth curved edge appearance while preserving stereoscopic viewing functionality.
Solution Approach 2:
The patent creates a mapping between physical pixels and perceived pixels (front-of-screen pixels) to understand how the lenticular lenses alter pixel appearance. By copying the spatial relationship information and using it to adjust pixel data, the system compensates for the lens-induced distortion and achieves smooth curved edges.
2Shape
If dimming factors are applied based on physical pixel positions, then curved edge smoothing is achieved, but accuracy is reduced due to mismatch with perceived pixel locations
Solution Approach 1:
The patent creates a mapping between physical pixels and perceived pixels (front-of-screen pixels) to understand how the lenticular lenses alter pixel appearance. By copying the spatial relationship information and using it to adjust pixel data, the system compensates for the lens-induced distortion and achieves smooth curved edges.
Solution Approach 2:
The patent replaces the mechanical/physical pixel positioning system with an optical perception model. Instead of working with actual physical pixel locations, the system uses perceived pixel locations that account for lenticular lens effects, thereby achieving more accurate boundary smoothing.
3Shape
If perceived pixel correlations are used to adjust pixel data, then curved edge smoothness is improved, but device complexity increases due to additional processing requirements
Solution Approach 1:
The patent performs preliminary calculations to establish the mapping between physical pixels and perceived pixels before actual display operation. By pre-computing the dimming factors and spatial relationships, the system reduces real-time processing complexity while maintaining accurate curved edge smoothing.
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 effectively mitigates jaggedness in curved edges by adjusting pixel brightness, ensuring a smooth aesthetic appearance in electronic devices with lenticular displays.
Implementation Method 1
a lenticular lens film formed over the array of physical pixels... The lenticular lenses may be configured to enable stereoscopic viewing of the display such that a viewer perceives three-dimensional images
Implementation Method 2
Each brightness value of the pixel data may be multiplied by a corresponding dimming factor such that the curved edge has a smooth appearance on the display
Data Source
AI summary
An electronic device may include a lenticular display. The lenticular display may have a lenticular lens film formed over an array of pixels. The lenticular lenses may be configured to enable stereoscopic viewing of the display such that a viewer perceives three-dimensional images. To mitigate jaggedness in a curved edge of the active area, control circuitry may modify input pixel data for the display using dimming factors. Each brightness value of the pixel data may be multiplied by a corresponding dimming factor such that the curved edge has a smooth appearance. Each physical pixel in the display may have an associated perceived pixel that is based on an appearance of that physical pixel through the lenticular lens film. The perceived pixel may have a different footprint than its corresponding physical pixel. The dimming factors for boundary smoothing in the curved edges may be based on the perceived pixels.