Flat Display Substrate Optical Devices Curved Image Formation
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Solution Overview
Problem
Conventional methods for creating curved display panels involve physically bending flat substrates, leading to defects like light leakage and abnormal color display, and result in low yield and high costs due to the need for flexible module designs.
Innovation Solution
A display panel with optical devices, such as convex, concave lenses, and liquid crystal lenses, arranged on a flat display substrate to create a curved image without mechanical deformation, where the optical parameters like focus length or deflection degree vary by region to form a spatially curved surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a flat display substrate is physically bent to form a curved display panel, then a curved display effect is achieved, but light leakage and abnormal color display occur due to fringe field deformation
Solution Approach 1:
The patent replaces the mechanical bending approach with an optical system. A flat display substrate is used, and optical devices (lenses) are arranged on its surface to refract light and form a curved image in space, eliminating the need to physically bend the substrate and thus avoiding fringe field deformation issues
Solution Approach 2:
The patent introduces optical devices as an intermediary between the flat display substrate and the viewer's eye. These optical devices refract the light emitted from the flat substrate to create a virtual curved image, mediating the transformation from flat to curved display effect without mechanical deformation
2Shape
If many modules in the display panel adopt flexible design to realize curved display, then curved display is achieved, but product yield decreases and cost increases
Solution Approach 1:
The patent replaces flexible mechanical module design with a flat substrate combined with optical devices. This substitution eliminates the need for complex flexible structures, simplifies manufacturing processes, and improves production yield while reducing costs
Solution Approach 2:
The patent segments the curved display function into separate optical devices arranged on the flat substrate. Each optical device independently refracts light from its corresponding pixel, allowing the curved display effect to be achieved without requiring the entire substrate to be flexible or deformed
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 enhances the visual impact by achieving a curved display effect without physical bending, increasing yield, reducing costs, and improving product competitiveness.
Implementation Method 1
light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface
Implementation Method 2
a deflection degree of liquid crystal in the liquid crystal lenses at a position corresponding with the middle region of the flat display substrate is different from a deflection degree of liquid crystal in the liquid crystal lenses at a position corresponding with the peripheral region
Data Source
AI summary
A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.