Stretchable Display Device with Adjustable Stopper
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Solution Overview
Problem
Conventional display devices, especially wearable ones, face challenges in adapting to varying user sizes without separate bands, limiting flexibility and convenience in displaying images continuously without breaks.
Innovation Solution
A stretchable display device with a band shape, featuring holes on the outer surface and a stopper on the inner surface, allowing the device to form a ring shape, with a resistor, power supply, and ampere meter forming a closed circuit to control the image display area based on current values, enabling adjustable display size according to user wrist thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional display device uses a fixed size display area, then the manufacturing is simple, but the device cannot adapt to varying user sizes
Solution Approach 1:
The display device incorporates a stretchable display that can dynamically change its shape and size. The display area can be stretched or compressed to adapt to different user wrist sizes, transforming from a fixed configuration to a dynamic one that responds to user needs.
Solution Approach 2:
The display device is divided into multiple segments including the stretchable display, the band, the stopper, and measurement components. This segmentation allows each part to perform its specific function independently while contributing to the overall adaptability of the device.
2Adaptability or versatility
If the display area is increased to accommodate larger users, then the adaptability improves, but the power consumption increases
Solution Approach 1:
The device dynamically adjusts the display area size based on the measured wrist circumference. The controller activates only the necessary display segments, ensuring that power consumption is proportional to the actual display area in use rather than maintaining a fixed large display area.
Solution Approach 2:
The system changes the operational parameters of the display by adjusting which segments are active based on the measured user size. This parameter adjustment optimizes power consumption by displaying images only in the required area rather than across the entire display capability.
3Adaptability or versatility
If the display device is made stretchable to fit different users, then the adaptability improves, but the structural stability deteriorates
Solution Approach 1:
The display device uses a flexible band and stretchable display components that can deform while maintaining structural integrity. The flexible materials allow the device to stretch and conform to different wrist sizes while the stopper and connection points provide stable anchoring positions.
Solution Approach 2:
The device is segmented into the stretchable display portion and the rigid stopper portion. This segmentation allows the display area to be flexible and adaptable while the stopper provides stable structural support and precise positioning, combining flexibility with stability.
4Measurement precision
If separate bands are used for different user sizes, then the precision of fit is improved, but the device complexity and quantity of parts increases
Solution Approach 1:
The device implements a universal single band design that can accommodate multiple user sizes. The stretchable display and adjustable stopper mechanism allow one band to perform the function of multiple fixed-size bands, eliminating the need for separate bands for different users.
Solution Approach 2:
Instead of using multiple static bands for different sizes, the device uses a single dynamic band with an adjustable stopper that can be positioned at different locations. This dynamic adjustment mechanism provides precise fit for different users while maintaining a single unified device structure.
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 seamless image display on wearable devices by automatically adjusting the display area based on user size, reducing power consumption and maintaining continuous image connection without breaks, enhancing user convenience and flexibility.
Implementation Method 1
a resistor of which a resistance value is changeable depending on the position of the stopper
Implementation Method 2
an ampere meter to measure the value of the current flowing in the resistor
Data Source
AI summary
A stretchable display device including a stretchable display to display an image, the stretchable display having a band shape; holes on an outwardly facing surface of the stretchable display; and a stopper on an inwardly facing surface of the stretchable display, the stopper being coupleable with any one of the holes to loop the stretchable display device in a ring form, wherein a size of an image display area of the stretchable display is controllable based on a current value that depends on a position of a hole to which the stopper is coupled.