Elastic Projection Screen Size Adjustment via Sliding Block
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Solution Overview
Problem
Conventional micro-projection mobile phones and adjustable-screen mobile phones have limited utility due to their fixed screen sizes, making them inconvenient for various applications such as watching movies or playing games, and are not easily portable.
Innovation Solution
A micro-projection-display device comprising a projection lens, an elastic projection screen, and a stretchable projection framework with a sliding block that allows the screen to be adjusted in size, enabling flexible display options from 3.7 to 9.7 inches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a micro-projection mobile phone uses a fixed-size display screen, then the device structure is simple, but the utility and adaptability are limited
Solution Approach 1:
The patent applies the dynamics principle by implementing an adjustable display screen that can change its size between a first size (for mobile phone functions) and a second size (for entertainment functions). The screen transitions from a static fixed-size design to a dynamic adjustable design, allowing the same device to adapt to different usage scenarios and improve utility without requiring multiple separate devices.
2Adaptability or versatility
If an adjustable-screen mobile phone uses two fixed-size display screens, then different screen sizes are available, but the device is not easy to carry around and has limited flexibility
Solution Approach 1:
The patent implements a single display screen that can dynamically adjust its size between a first size and a second size, replacing the conventional approach of using two separate fixed-size screens. This dynamic adjustment capability provides the flexibility of multiple screen sizes while maintaining the portability of a single-device structure, as the screen can be reconfigured rather than requiring physical assembly or disassembly of multiple components.
3Adaptability or versatility
If a micro-projection mobile phone uses a single fixed-size display screen, then the device is portable, but the screen size cannot be adjusted for different applications
Solution Approach 1:
The patent transforms a static single fixed-size display screen into a dynamic adjustable display screen that can switch between a first size for mobile phone functions and a second size for entertainment functions. This dynamic capability allows the same physical screen structure to serve multiple purposes, improving adaptability without requiring multiple separate screens or complex multi-screen assembly mechanisms.
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
The device provides a portable and versatile solution for entertainment needs by allowing the screen size to be adjusted, enhancing the utility of micro-projection mobile phones and improving user experience for both mobile phone functions and entertainment purposes.
Implementation Method 1
an elastic projection screen, a stretchable projection framework
Data Source
AI summary
An example micro-projection-display device includes: a projection lens, an elastic projection screen, a stretchable projection framework and a sliding block. At least one point of the stretchable projection framework is connected with the elastic projection screen, so that the stretchable projection framework is configured to control the elastic projection screen to stretch or retract. The sliding block is connected with the stretchable projection framework. The sliding block is configured to cause the stretchable projection framework to stretch or retract, so as to cause the elastic projection screen to stretch or retract. The projection lens is configured to project light onto the stretched elastic projection screen.