Dual-Surface Mobile Display for 3D-2D Switching
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Solution Overview
Problem
Mobile display devices with switchable 3D modes suffer from insufficient quality in switching between 3D and 2D viewing experiences.
Innovation Solution
A mobile display device with dual displays, one for 3D and one for 2D, where the user can toggle between modes by flipping the device, utilizing a display processor to manage content format and orientation data for optimal viewing on either surface, and optionally incorporating cameras and accelerometers for orientation detection and camera functionality switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single display with switchable 3D mode is used, then device complexity is reduced, but display quality in 3D mode is insufficient
Solution Approach 1:
The display system is segmented into two separate displays: a first display optimized for 3D content and a second display optimized for 2D content. Each display can be independently controlled and optimized for its specific function, resolving the contradiction between simplicity and quality by dividing the system into specialized components rather than using a single compromised display.
2Manufacturing precision
If two separate displays are used for 3D and 2D, then display quality is improved, but device complexity increases
Solution Approach 1:
Both displays are configured to be substantially the same size and are capable of displaying various types of content, not just their optimized format. The processor can direct either display to show any content type, making each display multi-functional and reducing overall system complexity despite having two physical displays.
3Adaptability or versatility
If content is displayed on both displays simultaneously, then viewing options are increased, but power consumption increases
Solution Approach 1:
The system dynamically determines which display to activate based on the type of content being displayed. The processor identifies whether content is 3D or 2D and selectively enables only the appropriate display, allowing the system to adapt its power consumption to actual usage needs rather than running both displays continuously.
4Device complexity
If a single display is used for both 3D and 2D, then device simplicity is maintained, but user experience deteriorates
Solution Approach 1:
Each display is optimized for its specific function with appropriate local characteristics: the first display has features optimized for 3D viewing while the second display has features optimized for 2D viewing. This local optimization ensures that each display provides the best possible user experience for its intended purpose, rather than both displays being compromised for the other.
Data Source
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Figure 5a~6b
AI summary
Mobile display device (100) for enabling a user to obtain either three- dimensional [3D] or two-dimensional [2D] viewing of content, comprising a 3D display (120) for enabling the 3D viewing of the content, a 2D display (140) for enabling the 2D viewing of the content, a display processor for displaying the content as 3D content 124 on the 3D display and for displaying the content as 2D content (144) on the 2D display, the 3D display and the 2D display being arranged on opposite faces (122, 142) of the device for enabling the user to obtain either the 3D viewing or the 2D viewing of the content by turning (102) the device about-face.