2D/3D Switchable Display Resolving Resolution Trade-off
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Solution Overview
Problem
Existing 2D/3D switchable display devices suffer from reduced resolution during 2D display due to the halved pixel visibility for each eye, as both eyes can only see half of the liquid crystal display panel's pixels.
Innovation Solution
A 2D/3D switchable display device is designed with a backlight panel, a first liquid crystal display panel, and a second black-and-white liquid crystal display panel, where the second panel is fully light-transmissive during 3D display and irregularly scatters light during 2D display, allowing both eyes to see all pixels by utilizing birefringence properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a liquid crystal display panel with alternating left eye and right eye pixel regions is used for 3D display, then 3D display function is achieved, but the resolution seen by each eye is halved during 2D display
Solution Approach 1:
The display system is segmented into three distinct components: a backlight panel, a first liquid crystal display panel for image rendering, and a second black-and-white liquid crystal display panel for light control. This segmentation allows each component to perform its specialized function independently, resolving the conflict between 3D capability and 2D resolution by separating the stereoscopic function from the image display function.
Solution Approach 2:
The second liquid crystal display panel dynamically switches between two states: during 3D display, it alternates between light-blocking and light-transmissive states for left and right eyes respectively; during 2D display, it transitions to a fully light-transmissive state. This dynamic state switching enables the system to adapt its light control characteristics based on the display mode, thereby maintaining full resolution for both eyes during 2D display while preserving 3D functionality when needed.
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
This configuration enhances 2D display resolution by enabling both eyes to view all image information from the first liquid crystal display panel, thereby solving the issue of halved resolution in prior art.
Implementation Method 1
liquid crystal molecules in the second liquid crystal display panel are arranged irregularly so as to scatter light emitted from the first liquid crystal display panel
Implementation Method 2
allowing both eyes to see all pixels by utilizing birefringence properties
Data Source
AI summary
A 2D/3D switchable display device is disclosed. Said 2D/3D switchable display device comprises: a backlight panel, a first liquid crystal display panel at a light emergent side of the backlight panel, and a black-and-white second liquid crystal display panel at a light emergent side of the first liquid crystal display panel; wherein during 3D display, the second liquid crystal display panel is fully light-transmissive; during 2D display, liquid crystal molecules in the second liquid crystal display panel are arranged irregularly so as to scatter light emitted from the first liquid crystal display panel.