Stereopsis Display Device with 2-Domain Subpixels
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Glasses-free stereoscopic image display devices face challenges in maintaining high resolution and reducing 3D crosstalk while increasing three-dimensionality and luminance, with existing solutions increasing manufacturing costs and thickness due to the use of multiple polarizing films and lenticular lenses, and difficulties in eye tracking and lenticular film bending.
Innovation Solution
A stereoscopic image display device with a horizontal 2-domain subpixel structure, where the lenticular film is provided on subpixels, and images are displayed by inputting R, G, and B data to one domain and black data to the other, allowing for independent driving of subpixels and reducing the need for a gap glass or film, thereby enhancing resolution and luminance while preventing 3D crosstalk.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple polarizing films and lenticular lenses are used to increase three-dimensionality and reduce 3D crosstalk, then 3D image quality is improved, but device thickness and manufacturing cost increase
Solution Approach 1:
The patent removes the barrier layer from the traditional multi-layer structure, extracting only the essential lenticular film component. This simplification maintains 3D image quality while significantly reducing device thickness and manufacturing complexity.
Solution Approach 2:
The lenticular film in this patent serves multiple functions simultaneously: it acts as both the 3D display element and the structural component that replaces the barrier layer. This multi-functionality reduces the number of separate components needed, thereby reducing overall device thickness.
2Reliability
If multiple polarizing films and lenticular lenses are used to increase three-dimensionality and reduce 3D crosstalk, then 3D image quality is improved, but manufacturing cost increases
Solution Approach 1:
By removing the barrier layer and simplifying the structure to use only the lenticular film, the patent reduces the number of manufacturing steps and materials required, thereby lowering production costs while maintaining 3D image quality.
Solution Approach 2:
The patent uses color filters integrated with the lenticular film structure, combining multiple functions into a single component that reduces manufacturing complexity and cost.
3Measurement precision
If resolution is increased in proportion to the number of multi-views, then 3D image quality is improved, but 3D crosstalk increases and three-dimensionality is reduced
Solution Approach 1:
The patent employs a moving barrier technique where the barrier position is dynamically adjusted based on eye tracking data. This dynamic adjustment ensures that the barrier always aligns with the viewer's actual eye position, preventing 3D crosstalk while maintaining high resolution across multiple views.
Solution Approach 2:
The system uses eye tracking technology to detect viewer position and provides feedback to adjust the barrier position accordingly. This closed-loop control ensures optimal 3D image quality by adapting to real-time viewer movements, preventing crosstalk while maintaining resolution.
4Ease of operation
If eye tracking technique is applied with fixed barrier or switch barrier, then 3D image control is improved, but it is difficult to detect viewer position and tracking stability decreases
Solution Approach 1:
The barrier is designed to move continuously and smoothly in response to eye tracking data, rather than switching between fixed positions. This dynamic movement allows for precise tracking of viewer position while maintaining stable 3D image control.
Solution Approach 2:
The patent replaces mechanical switching mechanisms with a smoothly movable barrier controlled by electronic actuation based on eye tracking feedback. This substitution enables more precise and stable viewer position detection and response.
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 increases display quality and luminance, reduces manufacturing costs and thickness, and allows for natural eye tracking and flexible lenticular film bending, achieving high-quality 3D images with reduced 3D crosstalk.
Implementation Method 1
a lenticular film provided on the plurality of sub pixels... different images are projected onto left and right eyes of the viewer
Data Source
AI summary
A stereopsis image display device is provided that prevents 3D crosstalk from being generated and enables a lenticular film to be freely bent. The stereopsis image display device comprises a plurality of data lines arranged in a first direction; a plurality of gate lines arranged in a second direction; a plurality of sub pixels defined by crossing between the plurality of gate lines and the plurality of data lines; and a lenticular film provided on the plurality of sub pixels, wherein the plurality of sub pixels are provided in a horizontal 2-domain structure.