Autostereoscopic 3D Display With Dynamic Parallax Barrier Adjustment
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Solution Overview
Problem
Existing 3D display devices using parallax barrier technology are limited in their ability to adapt to varying viewer distances and eye positions, resulting in suboptimal 3D display effects.
Innovation Solution
A display device comprising a first and second display panel, a backlight, and a sensor-processor system that adjusts light-shielding regions based on viewer eye distance, using a flexible connection and pixel array configuration to form light-shielding and light-transmitting regions for autostereoscopic 3D display without an additional parallax barrier.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed parallax barrier member is added to the display panel, then 3D display capability is achieved, but adaptability to different viewer distances and eye positions is lost
Solution Approach 1:
The patent applies the dynamics principle by making the parallax barrier member movable rather than fixed. The barrier can be adjusted along the optical axis to different positions, enabling adaptation to various viewer distances and eye positions. This dynamic adjustment capability resolves the contradiction by providing versatility without requiring multiple fixed barrier structures.
Solution Approach 2:
The patent changes the position parameter of the parallax barrier member along the optical axis to adapt to different viewing conditions. By adjusting the barrier's position rather than its physical structure, the system achieves adaptability to different viewer distances and eye positions while maintaining a simple single-barrier design.
2Ease of operation
If a parallax barrier member is fixed on the display panel, then 3D image display is enabled, but adjustment for optimum 3D display effect is impossible
Solution Approach 1:
The patent implements ease of operation by providing a movable parallax barrier that can be dynamically positioned to optimize 3D display effects for different viewing scenarios. The adjustment mechanism allows users to move the barrier to appropriate positions without complex structural changes.
Solution Approach 2:
The patent achieves multi-functionality by using a single adjustable parallax barrier member that can serve multiple purposes: optimizing 3D display for different distances, adapting to different eye positions, and potentially switching between 3D and 2D modes. This universal solution avoids the need for multiple specialized components.
3Adaptability or versatility
If an additional parallax barrier member is added for 3D display, then autostereoscopic 3D is achieved, but device structure becomes more complex
Solution Approach 1:
The patent merges the parallax barrier function with the existing display structure by positioning the barrier member within the display assembly's optical path. This integration approach achieves autostereoscopic 3D capability while minimizing additional structural complexity compared to adding a completely separate barrier system.
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 adaptive 3D display adjustment for optimal viewer experience, allowing for both 3D and 2D display, as well as double-sided display, by dynamically adjusting light-shielding regions to accommodate different viewer distances and positions.
Implementation Method 1
the second pixel array forms light-shielding regions and light-transmitting regions; and first pixel array forms a left image for a left eye of a viewer and a right image for a right eye of a viewer
Data Source
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AI summary
The present invention provides a display device and an operating method thereof, the display device comprises a first display panel, a second display panel and a backlight, the first display panel is flexibly connected with the second display panel, the first display panel is provided at a light-exiting surface side of the backlight; a light-exiting surface of the first display panel can be arranged to be closely adjacent to and faces the first surface of the second display panel, and the second pixel panel forms light-shielding regions and light-transmitting regions; and first display panel forms a left image for a left eye of a viewer and a right image for a right eye of the viewer, so that the viewer can only see the left image by his left eye and only see the right image by his right eye by means of the light-shielding regions and the light-transmitting regions. The display device in the present invention can effectively adjust 3D display.