Rollable Display Grip Sensing for Sliding Housing Control
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Solution Overview
Problem
There is a trade-off between the miniaturization and display size of electronic devices, as increasing display sizes to accommodate multimedia services conflicts with the desire for compact form factors.
Innovation Solution
A rollable electronic device design featuring a first and second housing that slide relative to each other, incorporating a sensing circuit and processor to control the movement of the second housing based on user interaction, allowing for adjustable display size through sliding mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the display size is increased to accommodate multimedia services, then the display area is improved, but the device size increases and miniaturization is compromised
Solution Approach 1:
The patent implements a rollable display that can dynamically change its effective display area by rolling up or unrolling, allowing the device to transition between compact and expanded states. The display assembly includes a rolling mechanism that enables the display to be rolled around a spool, providing dynamic adjustment of display size without permanently increasing device volume.
Solution Approach 2:
The rollable display is nested within the device housing when in its rolled-up state, allowing the large display area to be contained within a compact form factor. The display can be rolled into a compact coil that fits within the device boundaries, effectively hiding the large display area when not in use.
2Adaptability or versatility
If a rollable display mechanism is implemented to enable dynamic display size adjustment, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent integrates the rolling mechanism, display assembly, and control systems into a unified structure. The rolling mechanism is combined with the display assembly such that the display can be rolled and unrolled using a single integrated mechanism, reducing the number of separate components and simplifying the overall system architecture.
Solution Approach 2:
The rollable display mechanism serves multiple functions: it provides dynamic display size adjustment, maintains a compact form factor, and enables both portable and stationary usage modes. The same mechanism that enables rolling also provides the structural framework for the display assembly, reducing the need for additional dedicated components.
3Ease of operation
If sensing circuits and connection members are added to detect user contact with metal areas, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The metal area on the device housing serves dual purposes: it provides aesthetic appearance and structural function, while also acting as a touch-sensitive input surface. The sensing circuit detects user contact directly through the metal area without requiring separate touch buttons or interfaces, allowing the existing structural component to serve as the input interface.
Solution Approach 2:
The metal area is designed to fulfill multiple roles: structural support, aesthetic finish, and touch-sensitive input surface. The connection member that electrically connects the metal area to the sensing circuit also serves as part of the structural assembly, reducing the need for additional dedicated touch interface components.
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 users to dynamically adjust the display size based on their needs, balancing convenience and functionality while maintaining a compact form factor.
Implementation Method 1
a sensing circuit disposed on the circuit board and including a grip sensor configured to detect a contact of a user with the metal area
Implementation Method 2
a connection member contacting the metal area of the second cover member and electrically connecting the metal area to the circuit board
Data Source
AI summary
An electronic device includes: a first housing including a first cover member and a frame in the first cover member; a second housing slidable with the first housing, partially in the first cover member, and including a second cover member including a metal area; a display foldable based on a sliding of the second housing; a circuit board in the second housing; a connection member connected to the metal area and the circuit board; a sensing circuit on the circuit board and including a grip sensor configured to sense a contact of a user with the metal area; an processor on the circuit board; and memory which stores instructions to perform at least one operation including an operation for generating a signal for controlling a movement of the second housing based on an electrical signal sensed by the sensing circuit.