Dynamic Liquid Crystal Parallax Barrier for Full-Screen 3D Resolution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional parallax barriers suffer from 3D image resolution deterioration due to view separation when displaying multi-view 3D images, resulting in reduced image quality as the number of views increases.
Innovation Solution
A dynamic liquid crystal parallax barrier device that employs a multi-view image dynamic combination and display procedure, along with a barrier electrode dynamic driving procedure, to maintain full-screen image resolution by alternately driving electrodes and switching between different optical states to separate and combine images effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional parallax barrier is used to display multi-view 3D images, then view separation is achieved, but image resolution deteriorates as the number of views increases
Solution Approach 1:
The patent employs a dynamic liquid crystal parallax barrier where the barrier electrode pattern can be dynamically switched between different configurations (first pattern and second pattern). This dynamic reconfiguration allows the system to adapt to different viewing requirements while maintaining full-screen resolution, as the barrier can be repositioned in time-sequential manner rather than being fixed in a static configuration that would divide the screen into multiple lower-resolution view zones.
Solution Approach 2:
The patent implements periodic switching between different barrier electrode patterns at predetermined time intervals. During one period, the first barrier electrode pattern is activated to separate views in a first direction; during the next period, the second barrier electrode pattern is activated to separate views in a second direction. This periodic action enables the system to present multiple views over time while each individual view maintains full-screen resolution, effectively resolving the contradiction between number of views and image resolution.
2Adaptability or versatility
If the number of views is increased in a multi-view 3D image, then versatility improves, but image quality deteriorates due to view separation
Solution Approach 1:
The dynamic liquid crystal barrier allows the system to maintain high image quality across multiple views by dynamically reconfiguring the barrier pattern. Instead of dividing the static screen into multiple lower-quality view zones, the system sequentially presents different barrier configurations, ensuring each viewer receives a full-resolution image appropriate to their viewing angle and timing.
Solution Approach 2:
The patent ensures continuous presentation of multi-view content by rapidly switching between different barrier patterns within the liquid crystal response time. This continuous action maintains the illusion of simultaneous multi-view availability while actually presenting views in a time-sequential manner, preserving image quality across all views without the degradation that would occur with static view separation.
3Device complexity
If a static parallax barrier structure is used, then device complexity is reduced, but the ability to maintain full-screen resolution with multiple views is lost
Solution Approach 1:
The patent introduces dynamic control of the liquid crystal barrier through time-sequential switching of different electrode patterns. While this adds temporal complexity to the operation, it actually simplifies the physical barrier structure compared to what would be needed for static multi-view separation. The liquid crystal material's inherent ability to change optical properties when voltage is applied provides the dynamic function without requiring multiple physical barrier layers or complex mechanical moving parts.
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
The solution enables the display of multi-view 3D images with full-screen resolution at optimal viewing positions, maintaining image quality even with increased numbers of views by alternately driving electrodes and switching between different optical states.
Implementation Method 1
When a voltage between the electrode structure 57 and the common electrode layer 53 is 0, all the liquid crystal molecules of the liquid crystal molecular layer 55 are in a spiral configuration, which allows all the incident light 58 to penetrate through the liquid crystal parallax barrier 50... When a proper driving voltage v is applied, the liquid crystal molecules between the electrode structure 57 and the common electrode layer 53 are in an upright configuration, thereby achieving the effect of shielding the incident light 58
Implementation Method 2
The two linear polarizers 51 respectively have a light polarization direction and both polarization directions are perpendicular to each other
Data Source
AI summary
A full-screen 3D image display device provides a dynamic liquid crystal parallax barrier device for solving a 3D image resolution deterioration problem caused by view separation of a multi-view 3D image displayed by a conventional parallax barrier, and achieves the purpose of displaying a multi-view 3D image with a full-screen image resolution through a multi-view image dynamic combination and display procedure and a barrier electrode dynamic driving procedure.