3D Display Grating Structure for Orientation-Adaptive Viewing
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Solution Overview
Problem
Existing 3D displays based on parallax barrier technology can only provide a 3D effect in either horizontal or vertical screen conditions, limiting viewer experience.
Innovation Solution
A 3D display device with a grating structure at the light outgoing surface, featuring a pixel array with sub-pixels arranged in a 3×3 rectangular array, forming left-eye and right-eye pixel regions that remain consistent regardless of screen orientation, using liquid crystal or electrochromic layers to create light-transmission and light-blocking regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If parallax barrier technology is used for naked-eye 3D display, then 3D effect can be achieved, but the display is limited to only horizontal or vertical screen condition
Solution Approach 1:
The grating structure is divided into multiple grating units, each capable of forming light-transmission regions and light-blocking regions independently. This segmentation allows the system to adapt to different screen orientations (horizontal and vertical) by activating appropriate grating units, thereby achieving multi-directional 3D display capability without requiring a completely different device architecture.
Solution Approach 2:
The grating structure is designed with multiple grating units that can function in different orientations. Each grating unit is configured to work with corresponding pixel regions to provide 3D display effect whether the screen is in horizontal or vertical orientation, making the device universally applicable to various viewing conditions without requiring separate specialized displays.
2Adaptability or versatility
If the grating structure forms different left-eye and right-eye pixel regions for horizontal viewing, then 3D effect is achieved in horizontal condition, but the same configuration cannot work for vertical viewing
Solution Approach 1:
The pixel array is divided into multiple pixel regions (first pixel regions for horizontal viewing, second pixel regions for vertical viewing), and the grating structure is correspondingly segmented into multiple grating units. Each grating unit is paired with specific pixel regions to form stereoscopic images for different viewing orientations, allowing the system to switch between configurations based on the required viewing condition without affecting other regions.
Solution Approach 2:
The display system dynamically switches between different grating units and pixel region configurations based on the detected or selected viewing orientation. When horizontal viewing is detected, the first grating units and first pixel regions are activated; when vertical viewing is detected, the second grating units and second pixel regions are activated, enabling adaptive 3D display across different conditions.
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 a consistent 3D display effect in both horizontal and vertical screen conditions by adjusting the orientation of pixel regions, ensuring that each eye receives the appropriate image for a stereoscopic view.
Implementation Method 1
the grating structure is configured for forming light-transmission regions and light-blocking regions
Data Source
AI summary
Embodiments of the invention disclose a 3D display device and a driving method thereof. The 3D display device includes a display panel and a grating structure, when both eyes are parallel to a first direction, a pixel array of the display panel forms a plurality of first left-eye pixel regions corresponding to the left eye and a plurality of first right-eye pixel regions corresponding to the right eye by the grating structure; when both eyes are parallel to a second direction, the pixel array of the display panel forms a plurality of second left-eye pixel regions corresponding to the left eye and a plurality of second right-eye pixel regions corresponding to the right eye by the grating structure, the first left-eye pixel regions are the same as the second left-eye pixel regions, and the first right-eye pixel regions are the same as the second right-eye pixel regions.