Anisotropic Optical Members for Panel Junction Interference
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Solution Overview
Problem
Conventional image display apparatuses face interference issues at junction portions when panels are bonded in two directions, and existing methods fail to adequately reduce this interference, especially when considering the arrangement of color filters and autostereoscopic displays.
Innovation Solution
The use of anisotropic optical members, such as cylindrical lenses or anisotropic diffusion films, are applied to junction portions between panels to magnify or diffuse pixels in specific directions, reducing image interference by aligning optical apertures with the anisotropy of these members, and incorporating optical aperture portions like lenticular sheets or parallax barriers for autostereoscopic displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If panels are bonded together in one direction (vertical or horizontal), then the bonding structure is simple, but the interference on junction portions cannot be sufficiently reduced
Solution Approach 1:
The patent applies bonding in two directions (both vertical and horizontal) instead of only one direction, adding a dimensional aspect to the bonding structure. This allows the panels to be connected more comprehensively, reducing the harmful visual interference at junction portions while maintaining structural simplicity through a systematic bonding approach
2Device complexity
If junction portions are covered by optical elements without considering color filter arrangement, then the structure is simple, but specific color components are enlarged at junction portions
Solution Approach 1:
The patent introduces optical elements (lenses, prisms, or fibers) specifically at the junction portions between panels, rather than uniformly across the entire display surface. This localized approach addresses the specific problem of color component distortion at junctions while maintaining simple overall structure, as the optical elements are only placed where needed to correct color definition issues
3Device complexity
If conventional optical elements are used at junction portions, then the structure is simple, but autostereoscopic display functionality cannot be achieved
Solution Approach 1:
The patent employs optical elements (lenses, prisms, or fibers) at junction portions that serve multiple functions: they correct color component distortion, maintain image quality, and simultaneously enable autostereoscopic display functionality. This multi-functional approach allows a single structural addition to address both color definition issues and stereoscopic display requirements without significantly increasing overall device complexity
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 minimizes image interference at junctions, maintains color definition, and allows for autostereoscopic viewing without requiring expensive or specialized optical elements, even in larger panel arrangements like 3×3 configurations.
Implementation Method 1
an optical member, by which pixels at edge portions of panels adjacent to each other in a first direction are magnified or diffused with an anisotropy in a second direction
Data Source
AI summary
An image display apparatus according to an embodiment includes: a plurality of panels arranged in a matrix form, each panel having, on its display surface, a plurality of pixels arranged in a matrix form; a first junction portion provided between the panels adjacent to each other in a horizontal direction; a second junction portion provided between the panels adjacent to each other in a vertical direction; a first optical member covering the first junction portion, and magnifying or diffusing the pixels of the panels in the vicinity of the first junction portion with an anisotropy in a first direction; and a second optical member covering the second junction portion, and magnifying and diffusing the pixels of the panels in the vicinity of the second junction portion with an anisotropy in a second direction.