Display Controller Resolution Conversion for Flexible Sizing
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Solution Overview
Problem
Existing display apparatuses lack flexibility in adjusting the size and position of projected images based on user operations, particularly in the annotation mode where the projection surface size and image position are fixed, and in the whiteboard mode where image display as a projection is not possible.
Innovation Solution
A display apparatus with a controller that switches between two modes: a first mode displaying images at the resolution of received data and a second mode generating reduced-resolution image data for flexible display size adjustments, allowing users to increase image size by converting resolution accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the display apparatus operates in annotation mode with fixed projection surface size and image position, then the device complexity is reduced, but the adaptability and ease of operation deteriorate
Solution Approach 1:
The patent implements dynamic control of image display parameters by allowing the projection surface size and image position to be adjusted according to user operations. The controller dynamically modifies display settings based on detected user input, transitioning from fixed to adjustable parameters, thereby resolving the contradiction between simple control structure and flexible adaptability.
Solution Approach 2:
The patent changes display parameters (projection surface size, image position, resolution) based on user operations. By detecting user input and accordingly adjusting these parameters, the system achieves adaptability without requiring complex hardware modifications, resolving the contradiction through software-based parameter flexibility.
2Manufacturing precision
If the display apparatus displays images at the resolution of received data, then the manufacturing precision is maintained, but the ease of operation and adaptability deteriorate
Solution Approach 1:
The patent implements resolution conversion functionality that transforms image data between different resolutions based on user operations. The controller detects user input and accordingly adjusts the resolution parameter, allowing images to be displayed at appropriate sizes while maintaining quality through proper resolution conversion, thus resolving the contradiction between fixed resolution quality and flexible display size adjustment.
3Adaptability or versatility
If the display apparatus generates converted image data with reduced resolution, then the adaptability improves, but the manufacturing precision deteriorates
Solution Approach 1:
The patent implements intelligent resolution conversion that adjusts image resolution based on detected user operations and display requirements. The controller dynamically determines the appropriate resolution level needed for the current display context, converting to reduced resolution only when necessary for size adaptation, thereby maintaining image quality while achieving display flexibility.
Solution Approach 2:
The patent applies resolution conversion selectively rather than universally. Full-resolution images are maintained when display size is adequate, while reduced-resolution converted images are generated only when size adaptation is required, thus avoiding unnecessary quality loss while achieving the needed adaptability.
Data Source
AI summary
A method for controlling a display apparatus, the method comprising, displaying, in a first mode, a first image based on received image data having first resolution on a display surface at a first display size corresponding to the first resolution, displaying, in a second mode, a second image based on the image data having second resolution smaller than the first resolution on the display surface at a second display size corresponding to the second resolution, converting, when the display apparatus accepts the operation of increasing the second display size in the second mode, the first resolution of image data to third resolution corresponding to the operation, displaying a third image based on the image data having the third resolution on the display surface.