Message Header Display Adaptation for Limited Screen Width
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Solution Overview
Problem
Portable electronic devices with small LCD screens face challenges in displaying email message headers due to limited space, requiring users to reduce font size to accommodate address and subject fields, which results in reduced information visibility for users preferring larger font sizes.
Innovation Solution
The method automatically switches from a single line to multiple lines for message headers, allocating more space to address and subject fields, and aligns them appropriately, allowing the subject field to move left if it doesn't fit, providing a larger screen width for display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If font size is reduced to display more characters in address and subject fields, then more information is displayed, but readability and user comfort deteriorate
Solution Approach 1:
The patent transitions from a single-line display format to a multi-line display format for message headers. This dimensional change allows the address and subject fields to be distributed across multiple lines, providing sufficient space for these fields without requiring font size reduction, thus maintaining both information visibility and user comfort
2Quantity of substance
If font size is reduced to accommodate address and subject fields, then more characters fit in each line, but the display becomes less readable
Solution Approach 1:
The message header display is segmented into multiple lines instead of forcing all information into a single line. The address field and subject field are separated and displayed on different lines, allowing each field to have adequate space while maintaining larger font sizes and better display quality
3Device complexity
If single-line display is used for message headers, then layout is simple, but insufficient space is provided for address and subject fields
Solution Approach 1:
The display layout transitions from one dimension (single line) to two dimensions (multiple lines). This allows the message header fields to utilize vertical space in addition to horizontal space, significantly increasing the available display area without complicating the overall layout structure
Data Source
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AI summary
A method of controlling a display of an electronic device for displaying a list of electronic messages. The method includes comparing a width of a designated space for a field of the electronic messages to a minimum width to determine if the width is sufficient, and if the width is determined to be sufficient, maintaining the width of the designated space, otherwise increasing the width of the designated space.