3D Display Barrier Panel Rotation for Angled Viewing
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Solution Overview
Problem
Existing 3D image display technologies fail to maintain effective image recognition when the viewer's angle relative to the display panel changes, leading to decreased luminance and inability to distinguish left and right images due to misalignment of binocular parallax angles.
Innovation Solution
A method that determines the relative viewer angle by combining absolute panel and viewer angle measurements, using sensors on the panel and glasses, to adjust the barrier pattern, directional backlight, and liquid crystal lens panel, ensuring proper image alignment and compensation based on viewer position and crystalline lens thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the viewer's angle relative to the display panel changes, then the viewer can view the display from different positions, but the luminance decreases and the 3D image cannot be properly displayed due to misalignment of binocular parallax angles
Solution Approach 1:
The patent applies dynamics by making the barrier panel rotatable to dynamically adjust its orientation. The barrier panel can rotate around an axis perpendicular to the display panel to match the viewer's viewing angle, ensuring that the barrier pattern remains aligned with the viewer's eyes regardless of viewing position. This dynamic adjustment resolves the contradiction by allowing both varied viewing angles and maintained 3D image quality.
Solution Approach 2:
The patent implements feedback through sensors that detect the viewer's position and viewing angle, and use this information to control the rotation of the barrier panel. The system continuously monitors viewer location and adjusts the barrier panel orientation accordingly, creating a closed-loop control system that maintains optimal alignment between the barrier pattern and the viewer's binocular parallax angle, thus preserving 3D image quality across different viewing positions.
2Ease of operation
If the angle of two eyes of the viewer is inclined with respect to the angle of the display panel, then the viewer can view at an angle, but the luminance is substantially decreased due to difference between polarizing angles
Solution Approach 1:
The rotatable barrier panel dynamically adjusts its angle to match the viewer's inclined viewing position. By rotating the barrier panel to the same angle as the viewer's eyes, the system maintains proper alignment between the barrier pattern and the viewer's line of sight, preventing luminance decrease that would occur with fixed-angle polarizing filters.
Solution Approach 2:
The system accommodates asymmetric viewing angles by allowing the barrier panel to rotate to match the specific inclination angle of the viewer's eyes. This asymmetric adjustment enables the barrier pattern to remain perpendicular to the viewer's viewing direction even when the viewing angle is inclined, maintaining luminance and image quality.
3Adaptability or versatility
If the angle of the eyes of the viewer is inclined with respect to the angle of the display panel, then the viewer can view from an angle, but the binocular parallax angle of the viewer is not equal to the binocular parallax angle of the image displayed on the panel
Solution Approach 1:
The barrier panel's rotatability allows it to dynamically adjust its orientation to match the viewer's inclined viewing angle. This dynamic alignment ensures that the binocular parallax angle of the displayed image remains equal to the viewer's binocular parallax angle even when viewing from an inclined position, maintaining proper 3D image reconstruction.
Solution Approach 2:
Sensors detect the viewer's viewing angle and provide feedback to the control system, which then rotates the barrier panel to the appropriate angle. This feedback mechanism ensures precise alignment between the barrier pattern and the viewer's eyes, maintaining accurate binocular parallax angle matching across different viewing positions.
4Ease of operation
If the viewpoints for the left eye and the right eye of the viewer are changed due to angle inclination, then the viewer can view at an angle, but the left image and right image cannot be effectively distinguished
Solution Approach 1:
The rotatable barrier panel dynamically adjusts its orientation to remain perpendicular to the viewer's viewing direction even when the viewer is inclined. This dynamic adjustment ensures that the barrier pattern continues to effectively separate the left and right images for the viewer's eyes, maintaining image distinction and preventing crosstalk.
Solution Approach 2:
The system accommodates asymmetric viewing angles by rotating the barrier panel to match the specific inclination angle of the viewer's eyes. This asymmetric orientation ensures that the barrier pattern remains properly aligned with the viewer's binocular axis, maintaining effective separation of left and right images even when viewing from an inclined position.
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 effective recognition of 3D images even when the viewer is inclined relative to the display panel by dynamically adjusting the image display to match the viewer's angle, maintaining image separation and luminance.
Implementation Method 1
the barrier panel includes a plurality of barrier unit which generates a barrier pattern
Implementation Method 2
providing images corresponding to viewpoints of the viewer using a liquid crystal lens panel
Data Source
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AI summary
A three-dimensional image display apparatus includes a panel including a plurality of pixels and which displays an image, a relative viewer angle determining part which determines a relative viewer angle, where the relative viewer angle is a relative angle of a viewer with respect to the panel, and a light converting part which transmits the image on the panel to a left eye and a right eye of the viewer based on the relative viewer angle, where the light converting part includes a plurality of light converting units which is arranged substantially in a matrix form and generates a pattern.