Dynamic Content Display on Locked Mobile Screens
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Solution Overview
Problem
Mobile computing devices' locked screens typically display only static information, failing to provide users with dynamic and relevant content when the device is in power-saving mode, limiting user engagement and information accessibility.
Innovation Solution
The system displays dynamic content on a locked mobile device screen by obtaining and ranking relevant information items, such as social updates, notifications, and news feeds, and allowing users to interact with them without immediate screen unlocking, using push and pull technologies to fetch data even in power-saving mode.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the screen is locked to save power and prevent unauthorized usage, then power consumption is reduced and security is improved, but user access to information is limited and user engagement decreases
Solution Approach 1:
The patent segments the lock screen functionality into distinct interaction levels: a first level allowing limited interactions with certain content without unlocking, and a second level requiring unlock for full access. This segmentation enables the system to consume less power by restricting full functionality while still providing useful information access, thereby resolving the contradiction between power savings and user access.
Solution Approach 2:
The patent applies local quality by allowing different types of content to have different accessibility properties on the lock screen. Some content (like notifications and summaries) is accessible without unlocking, while other content (like detailed messages or sensitive information) requires unlocking. This localized differentiation enables selective power management and information access, resolving the contradiction between power consumption and user access needs.
2Use of energy by stationary object
If static information is displayed on the locked screen, then power is saved by keeping the screen locked, but information accessibility and user engagement are limited
Solution Approach 1:
The patent introduces dynamics to the lock screen by enabling interactive content that can respond to user gestures and inputs without requiring full screen unlock. The display transitions from purely static information to dynamic, interactive content that adapts to user actions, thereby improving information accessibility while maintaining the locked state for power savings.
Solution Approach 2:
The patent introduces an intermediary interaction layer between the locked screen and full device access. This intermediary layer allows users to interact with certain content (notifications, messages, media control) without completely unlocking the device, serving as a mediator that provides information accessibility while maintaining the power-saving locked state.
3Reliability
If full screen unlocking is required for all interactions, then security is maintained, but user convenience decreases and frequent unlocking increases power consumption
Solution Approach 1:
The patent segments security requirements into different levels: low-risk interactions (viewing notifications, media control) that don't require unlocking, and high-risk interactions (message composition, sensitive operations) that do require unlocking. This segmented security approach maintains overall security while improving user convenience for routine tasks, thereby reducing frequent unlocking and power consumption.
Solution Approach 2:
The patent applies local quality to security by implementing different security requirements for different content and interactions on the lock screen. Sensitive content maintains strict security requiring unlock, while less sensitive content allows convenient access without unlock. This localized security differentiation maintains reliability for critical functions while improving ease of operation for routine tasks.
Data Source
AI summary
In one embodiment, receiving a first action from a user of a computing device, wherein the first action causes the computing device to power up while a screen of the computing device is locked; obtaining a plurality of dynamic information items relevant to the user of the computing device; and displaying at least one of the plurality of dynamic information items on the locked screen of the computing device.