Lenticular Display Color Density Correction for Afterimage Reduction
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Solution Overview
Problem
Existing lenticular displays suffer from significant afterimage issues due to crosstalk when switching viewed images, with existing techniques not adequately suppressing this effect.
Innovation Solution
A lenticular display design where the color density of overlapping main-image parts is corrected to an intermediate color between the main-image and background parts, reducing afterimage perception by adjusting the color density to between 5% and 50% of the background image part's density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If image strips are arranged side by side under convex lenses to display multiple images, then image switching capability is improved, but crosstalk and afterimage effects worsen
Solution Approach 1:
A buffer image strip is introduced as an intermediary element between adjacent image strips displaying different images. This buffer strip contains intermediate density values that act as a transition zone, reducing the abrupt contrast changes that cause crosstalk and afterimage effects when viewers switch between different displayed images
Solution Approach 2:
The density parameters of the buffer image strip are specifically adjusted to intermediate values between the adjacent image strips. By changing the density parameter distribution in the buffer region, the patent reduces the visual persistence and crosstalk that occur when viewers shift their gaze between different images
2Object-generated harmful factors
If buffer regions with intermediate density are provided between compressed images, then crosstalk suppression is improved, but image resolution and clarity worsen
Solution Approach 1:
The buffer image strip is applied locally only at the boundaries between adjacent image strips, rather than throughout the entire image area. This localized application maintains high resolution and clarity in the main image regions while providing crosstalk suppression only where needed at the transition zones
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 reduces the feeling of afterimage when switching viewed images, improving visibility and image quality by minimizing the impact of overlapping image parts.
Implementation Method 1
a lenticular lens in which a plurality of convex lenses are arranged side by side, the plurality of convex lenses each having a convex surface
Data Source
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AI summary
A lenticular display has: a lenticular lens in which a plurality of convex lenses are arranged side by side, the plurality of convex lenses each having a convex surface; and a lenticular image provided on a back-face side facing away from the surface of the convex lenses. Provided are the lenticular display in which the lenticular image is a plurality of display image strips that are extracted from each of a plurality of display images in a stripe form and are arranged at corresponding positions under the convex lenses, and in the plurality of display images, a color density of a portion where main-image parts overlap with each other is corrected, a method for forming a lenticular image, a method for manufacturing the lenticular display, and a program for forming a lenticular image.