Under-Display Motion Blur for Scintillation and Boundary Reduction
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Solution Overview
Problem
Scintillations and the appearance of boundaries separating regions of differing pixel densities in displays with under-display sensors degrade the user experience due to lower pixel-density regions required for sensor operation.
Innovation Solution
Implement motion-induced blurring techniques that adjust the amount of blurring based on the speed of moving content, applying it only when necessary to reduce scintillations and boundary visibility in regions with lower pixel density.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pixel density is reduced in regions with under-display sensors, then sensor functionality is enabled, but scintillations and boundary visibility increase
Solution Approach 1:
The patent applies different pixel densities to different regions of the display. High pixel density is used in regions without sensors for sharp content display, while low pixel density is used in sensor regions to enable sensor functionality. Motion-induced blurring is selectively applied only in low pixel density regions to mitigate scintillations and boundary effects, thus resolving the contradiction between enabling sensor functionality and maintaining visual quality.
2Object-affected harmful factors
If motion-induced blurring is applied to reduce scintillations, then visual quality improves, but content sharpness decreases
Solution Approach 1:
The patent dynamically adjusts the degree of motion-induced blurring based on the speed of moving content. When content moves faster, more blurring is applied to reduce scintillations; when content is stationary or moves slowly, less blurring is applied to maintain sharpness. This dynamic adjustment resolves the contradiction by adapting the blurring intensity to the actual motion conditions rather than applying a fixed blur level.
3Object-affected harmful factors
If blurring is applied in low pixel density regions, then boundary appearance improves, but detail visibility decreases
Solution Approach 1:
The patent changes the blurring parameter dynamically based on content motion speed. The system monitors the speed of moving content and adjusts the blur intensity accordingly. This parameter change allows the system to reduce boundary visibility and scintillations when needed while preserving detail visibility when motion is minimal, thus resolving the contradiction between boundary appearance and detail visibility.
Data Source
AI summary
This document describes techniques and devices for motion-induced blurring to reduce an appearance of a boundary separating regions of a display. Sensors (e.g., cameras, microphones, biometric sensors, ambient light sensors, radar sensors, and so forth) may be placed at least partially underneath regions of a display. Placing a sensor underneath a region of a display, however, often requires reduced pixel-density (e.g., relatively low resolution), which can cause scintillations of the content as it moves on the display. The techniques described herein address some undesirable effects of this reduced pixel-density by blurring content moving within regions of low resolution. Furthermore, the techniques can adjust an amount of blurring based on a speed of the moving content. Thus, when the display includes regions of differing resolutions, the techniques described herein can blur the moving content to reduce the appearance of a boundary separating these regions of differing resolutions.