Projection Display Illumination Layer Grid for Oblique Surfaces
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current projection display technologies face challenges in achieving efficient illumination and image formation on inclined surfaces due to distortion and oblique projection, which affects the quality and uniformity of the projected image.
Innovation Solution
The proposed solution involves a projection display with a support structure featuring a projector lens array and an object structure array, where an illumination layer with alternating regions of organic light-emitting material and low-index material is used. The low-index material, with a refractive index of 1.0 to 3.0, forms a grid oriented parallel to the electrodes, and is designed to compensate for illumination power and distortion by reducing layer thickness and increasing grid periodicity, allowing for improved light emission and image formation on oblique surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a conventional illumination layer is used for projection, then the structure is simple, but the illumination power and uniformity on inclined surfaces are insufficient
Solution Approach 1:
The illumination layer is segmented into alternating first regions (light-emitting material) and second regions (low-index material), creating a patterned structure that controls light emission directionally. This segmentation enables enhanced illumination power and uniformity on inclined surfaces by directing light more effectively toward the projection surface.
Solution Approach 2:
Different regions of the illumination layer are given different properties: the first regions contain light-emitting material while the second regions contain low-index material. This local differentiation optimizes light emission characteristics in specific areas, improving overall illumination performance without requiring complete structural redesign.
2Adaptability or versatility
If the projection is performed on inclined surfaces, then the adaptability is improved, but the image distortion and oblique projection effects worsen the image quality
Solution Approach 1:
The low-index material in the second regions changes the optical parameters of the illumination layer, affecting light refraction and emission angles. By adjusting the refractive index parameter, the system compensates for oblique projection effects and maintains image quality on inclined surfaces.
Solution Approach 2:
The illumination layer uses a composite structure combining light-emitting material and low-index material in alternating regions. This composite design enables the layer to function effectively on both flat and inclined surfaces by controlling light emission patterns through the interaction of different materials.
3Manufacturing precision
If the layer thickness is reduced to compensate for distortion, then the image quality on inclined surfaces is improved, but the overall structure becomes more complex
Solution Approach 1:
Instead of simply reducing thickness in one dimension, the solution introduces a patterned structure with alternating regions in the plane of the layer. This dimensional approach allows compensation for distortion while maintaining adequate layer thickness for proper light emission and structural integrity.
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 enhances the luminous power and uniformity of the projected image on inclined surfaces by compensating for distortion, ensuring a collimated light emission that maintains image quality and brightness, even when projected onto non-flat surfaces.
Implementation Method 1
The low-index material, with a refractive index of 1.0 to 3.0, forms a grid oriented parallel to the electrodes, and is designed to compensate for illumination power and distortion by reducing layer thickness and increasing grid periodicity
Implementation Method 2
an illumination layer with alternating regions of organic light-emitting material and low-index material is used
Data Source
AI summary
The present disclosure relates to a projection display, wherein the projection display comprises a support on which a projector lens array with a plurality of projector lenses is arranged, wherein on a side of the support facing away from the projector lens array, an object structure array with a plurality of object structures is arranged, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form a full image.