Cylindrical Lens Display Module for 3D Viewing
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Solution Overview
Problem
Three-dimensional displays face challenges with reduced resolution, crosstalk, and black area issues, which affect viewing comfort and freedom, as they require a more dense arrangement of views and are restricted by fixed viewing positions.
Innovation Solution
A display module comprising a display panel with an array substrate and a color film substrate, combined with a lens layer featuring cylindrical lenses, where the color filter elements and black matrices are arranged alternately to correspond with pixel islands, allowing for continuous viewing between visual areas by projecting light through corresponding cylindrical lenses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If higher PPI products are developed to meet market demand, then resolution is improved, but the display becomes thicker and more complex
Solution Approach 1:
The patent combines the color filter layer and lens layer into a single integrated structure where cylindrical lenses are formed directly on the color filter substrate. This merging eliminates the need for separate lens fabrication and alignment processes, reducing manufacturing complexity while achieving high PPI (4K/8K resolution) displays.
Solution Approach 2:
The color filter substrate serves multiple functions: it acts as both the color filtering layer and the substrate for forming cylindrical lenses. This multi-functionality reduces the number of separate components needed, simplifying the overall display structure while maintaining high resolution capabilities.
2Adaptability or versatility
If cylindrical lenses are added to achieve 3D display effects, then viewing angle is improved, but crosstalk and black areas increase
Solution Approach 1:
The patent applies cylindrical lenses with specific optical properties at precise locations corresponding to each pixel island. The lenses are formed only in necessary areas with controlled dimensions, allowing light to be directed precisely to corresponding pixel islands on the opposing substrate. This localized application reduces crosstalk between adjacent pixels while eliminating black areas caused by excessive lens coverage.
Solution Approach 2:
The patent replaces complex mechanical alignment systems with optically formed cylindrical lenses that self-align through the optical path. The lenses are formed using photolithography patterns that automatically position them relative to pixel islands, eliminating the need for precise mechanical positioning while reducing crosstalk and black area issues.
3Measurement precision
If pixel islands are arranged densely to improve resolution, then PPI is improved, but viewing freedom is reduced
Solution Approach 1:
The patent transitions from planar 2D pixel arrangement to 3D spatial light guidance using cylindrical lenses. By utilizing the third dimension (vertical light path control through lenses), the system achieves high PPI through dense pixel island arrangement while maintaining viewing freedom through optical direction control, allowing observers to view from different positions without mechanical adjustment.
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 configuration effectively reduces crosstalk and black areas, enabling continuous and uninterrupted viewing across different visual areas, thereby enhancing the display effect and user experience in 3D displays.
Implementation Method 1
The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each of the cylindrical lens corresponds to a pixel island of the plurality of pixel islands, and the pixel island is arranged on a focal plane of a corresponding one of the cylindrical lenses
Data Source
AI summary
Provided are a display module, a display device and a display method. The display module includes a display panel and a lens layer on a light-exiting side of the display panel, and the display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of pixel islands arranged in an array, and each pixel island includes a plurality of sub-pixels arranged in a first direction. The color film substrate includes a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each pixel island corresponds to one color filter element. The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each cylindrical lens corresponds to a pixel island, and the pixel island is arranged on a focal plane of the corresponding cylindrical lens.