Display Medium with Occluding Protrusions for Azimuthal Content Separation
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Solution Overview
Problem
Existing display technologies, such as those described in Patent Literature 1, struggle to display multiple contents using different colors when viewed from various azimuth angles, as the common emitting windows of self-luminescent elements can cause color blending.
Innovation Solution
A display medium comprising a light-reflecting member partitioned into unit cells, each further divided into sub-cells corresponding to specific azimuth angles. Protruding members with surfaces parallel to the azimuth angles are strategically placed within these sub-cells to occlude light, allowing for the display of multiple contents by controlling light occlusion based on the viewing angle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If self-luminescent elements are installed in common emitting windows for different directions, then the device complexity is reduced, but color blending occurs and manufacturing precision deteriorates
Solution Approach 1:
The patent divides the emitting window into multiple independent light-emitting regions, each corresponding to a specific viewing direction. By segmenting the light emission function across different spatial locations rather than using a single common window, the patent achieves both structural simplicity and color precision - each segment emits color accurately for its designated direction without interfering with other directions.
2Adaptability or versatility
If multiple self-luminescent elements are arranged to display different colors, then the display versatility is improved, but color blending occurs and the display precision deteriorates
Solution Approach 1:
The patent assigns different color-emitting properties to different spatial locations (light-emitting regions) within the emitting window. Each region is optimized for its specific function - emitting a particular color to a particular direction - rather than requiring all elements to achieve all colors. This local specialization enables high color accuracy for each viewing angle while maintaining overall display versatility.
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
Enables the appropriate display of a predetermined number of contents corresponding to a predetermined number of azimuth angles, effectively addressing the issue of color blending and enhancing the display's ability to show multiple colors and contents.
Implementation Method 1
the protruding member including a surface along the predetermined azimuth angle, and the surface occluding light
Implementation Method 2
a member that reflects light
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(b)
Figure 3
AI summary
The display medium 1 is configured to be able to display a predetermined number of contents corresponding to a predetermined number of azimuth angles when viewed from a predetermined elevation angle and azimuth angle. The display medium 1 comprises the planar member 2 that reflects the light and a plurality of protruding members 3 that have a surface occluding the light and are placed vertically on the planar member 2 and parallel to each of the predetermined number of azimuth angles. The planar member 2 is partitioned into a plurality of unit cells C, and each unit cell C is further partitioned into the predetermined number of sub-cells B corresponding to the predetermined number of azimuth angles. For each sub-cell B corresponding to the predetermined azimuth angle, the protruding members 3 that have a surface parallel to the predetermined azimuth angle is formed.