Flexible Display Terminal with Bendable Parts for Wrist Angle Adaptation
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Solution Overview
Problem
Existing wearable devices with flexible displays are uncomfortable to use for extended periods due to their oblique placement on the wrist, leading to user fatigue and joint strain, as they are designed with a rectangular shape that does not accommodate the natural angle of the human wrist and forearm.
Innovation Solution
A display terminal comprising a hard body with two bendable parts, forming a bendable body that can unfold for full-screen display, allowing the flexible display to adjust its orientation to match the user's wrist angle, with triangular or trapezoidal shapes for the bendable parts and an oblique placement of the hard body, enabling comfortable use and large or small area screen display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a rectangular flexible display is used in wearable devices, then the device structure is simple, but the user experiences fatigue and joint strain due to oblique placement on the wrist
Solution Approach 1:
The display is segmented into a fixed rectangular portion and a bendable portion that can be independently positioned. The bendable part allows the display to adapt to different wearing positions (wrist, forearm, etc.) while the fixed part maintains structural integrity, resolving the contradiction between simple structure and user comfort
Solution Approach 2:
The display transitions from a static rectangular form to a dynamic structure where the bendable portion can be folded or unfolded based on wearing needs. This dynamic adjustment allows the display to match natural body angles (15-75 degrees) for comfortable wearing while maintaining a simple rectangular base structure
2Ease of operation
If the flexible display is made fully bendable to accommodate wrist angles, then user comfort is improved, but the display area is reduced when bent
Solution Approach 1:
The display is divided into a fixed rectangular portion that maintains full display area and a bendable portion that provides flexibility. When bent for wearing, only the bendable portion changes shape while the fixed portion preserves the complete display area, thus resolving the contradiction between comfort and display area
Solution Approach 2:
The solution moves the flexibility function to a separate dimension (the bendable portion extending from the rectangular display) rather than making the entire display bendable. This allows the display area to be preserved in the primary dimension while adding flexibility in another dimension
Data Source
AI summary
The invention discloses a display terminal and a wearable device, which are configured to solve the problem that the existing device is inconvenient to be used. A display terminal comprises: a hard body, configured to mount components; two bendable parts, respectively located on two sides of the hard body and spliced on a plane to form a bendable body; a flexible display, covering the outer surface of the hard body and the bendable body. When full screen is not required, the flexible display can be bent along with the bendable parts. At this time, information can be displayed only on the flexible display which is on the hard body, and when full screen is required, the two bendable parts unfolded, the flexible display is unfolded to achieve full screen.