Liquid Crystal Optical Unit for Selective 3D Display Modes
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Solution Overview
Problem
Current 3D display technologies face challenges in providing both spectacles and non-spectacles schemes effectively, with spectacles schemes being inconvenient and non-spectacles schemes often resulting in inferior resolution and narrow viewing angles.
Innovation Solution
A display device with an optical unit that includes a liquid crystal layer responsive to vertical and horizontal electric fields, allowing for the selective display of 3D images using either spectacles or non-spectacles schemes by controlling the electric fields and polarizing spectacles to adjust the optical axes of left- and right-eye images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a spectacles scheme is used to display 3D images, then image resolution and viewing angles are maintained, but user convenience deteriorates due to the need to wear spectacles
Solution Approach 1:
The liquid crystal layer dynamically changes its state between vertical and horizontal alignment in response to applied voltages, enabling the display to switch between spectacles and non-spectacles modes. This dynamic adaptability allows the system to maintain high image resolution when spectacles mode is selected while providing convenient non-spectacles viewing when selected, resolving the contradiction between image quality and user convenience.
2Ease of operation
If a non-spectacles scheme is used to display 3D images, then user convenience is improved, but image resolution and viewing angles deteriorate
Solution Approach 1:
The display device uses a liquid crystal layer that can dynamically switch between vertical alignment (for non-spectacles mode with higher convenience) and horizontal alignment (for spectacles mode with higher image quality). By controlling the voltage applied to the liquid crystal layer, the system adapts its optical properties to maintain acceptable image resolution while providing convenient non-spectacles viewing experience.
3Device complexity
If a liquid crystal layer responsive only to vertical electric fields is used, then the structure is simplified, but the ability to selectively display spectacles and non-spectacles schemes is lost
Solution Approach 1:
The liquid crystal layer is designed with dual responsiveness to both vertical and horizontal electric fields, enabling it to perform multiple functions: vertical alignment for non-spectacles mode and horizontal alignment for spectacles mode. This multi-functionality allows a single component to support both display schemes, maintaining structural simplicity while achieving versatility in viewing mode selection.
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 display device to selectively display 3D images in both spectacles and non-spectacles schemes, improving user convenience and maintaining image resolution and viewing angles.
Implementation Method 1
a liquid crystal layer on the first electrode and configured to be responsive to a vertical electric field or a horizontal electric field
Implementation Method 2
configured to be responsive to a vertical electric field or a horizontal electric field
Implementation Method 3
A first embodiment may provide a display device including... capable of selecting a spectacles scheme and a non-spectacles scheme
Data Source
AI summary
A display device includes: a display unit, displaying an image; and an optical unit including a first substrate on the display unit, a first electrode on the first substrate, a liquid crystal layer on the first electrode and configured to be responsive to a vertical electric field or a horizontal electric field, a second electrode on the liquid crystal layer, an insulation layer on the second electrode, a third electrode on the insulation layer, and a second substrate on the third electrode.