Rollable Display Layout for Simultaneous Video Call Viewing
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Solution Overview
Problem
Consumers desire smaller, convenient mobile devices with expandable display capabilities for improved viewing experiences, particularly during video calls, which current form factors like rectangular and foldable devices fail to adequately address.
Innovation Solution
Implementing a rollable display screen with a slidable mount that allows for a flexible, extendable display configuration, enabling simultaneous display of call content on both front and rear-facing portions of the device, managed by a call manager that utilizes sensor inputs to adjust display states based on user position and proximity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the device size is reduced for portability, then the device becomes more convenient to carry, but the display viewing experience deteriorates
Solution Approach 1:
The patent implements a rollable display that can dynamically change its size between a retracted state (smaller) and an extended state (larger). The display transitions from a first size when rolled up to a second size when unrolled, allowing the device to adapt its display area based on usage context. This dynamic transformation resolves the contradiction by providing both compact portability and large viewing area at different times.
2Area of stationary object
If a foldable or slidable device is used to expand display, then the viewing area increases, but the device complexity increases
Solution Approach 1:
The patent employs a flexible display component that can be rolled up and down like a scroll. This flexible film approach simplifies the mechanical structure compared to traditional foldable hinge mechanisms or complex slidable assemblies. The flexible display is mounted on a spool or roller mechanism that allows smooth expansion and retraction without requiring complex locking, alignment, or sealing systems.
3Area of stationary object
If the display is made larger for better video call viewing, then the viewing experience improves, but the device becomes less portable
Solution Approach 1:
The rollable display enables the device to dynamically adjust its display area based on the operational context. During video calls or media consumption, the display extends to provide a larger viewing area for enhanced experience. When not in use or during mobile activities, the display retracts to maintain a compact, portable form factor. This on-demand size adjustment resolves the contradiction between large display and portability.
4Length of moving object
If a compact mobile phone is used for portability, then the device is convenient to carry, but the user experience during video calls deteriorates
Solution Approach 1:
The patent implements a rollable display that transforms from a compact retracted state to an extended viewing state during video calls. The display can be rolled out to provide a larger screen real estate for better video quality, multiple participant views, and enhanced interaction capabilities. After the call, the display rolls back to its compact form. This dynamic transformation allows the device to excel at both portability and video call user experience at different times.
Data Source
AI summary
In aspects of rollable screen simultaneous display call use, a mobile device includes a rollable display screen configurable in one of multiple display states, the rollable display screen including a front-facing portion of the rollable display screen and a rear-facing portion of the rollable display screen. The mobile device implements a call manager that detects a phone call is initiated and displayable call content is associated with the phone call. The call manager determines to display the displayable call content associated with the phone call on the front-facing portion of the rollable display screen. The call manager then initiates to configure the rollable display screen in a display state that facilitates use of the front-facing portion of the rollable display screen to display the displayable call content associated with the phone call.