Camera Region Masking for Display Visual Contrast Mitigation
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Solution Overview
Problem
The placement of front-facing cameras underneath display screens in devices like mobile phones challenges optimal light transmission and leads to visual contrast with the rest of the display, causing obtrusiveness and reduced visual quality due to differences in pixel size and power requirements.
Innovation Solution
Generating and displaying visual masks around the camera region to smooth the transition between the camera area and other display regions, using smaller pixels and lower pixel density to enhance light transmission while reducing power usage and pixel decay.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If smaller pixels and lower pixel density are used in the camera region to enhance light transmission, then light transmission is improved, but power consumption increases and visual contrast with surrounding regions worsens
Solution Approach 1:
The display is divided into different regions with different pixel densities - the camera region uses smaller pixels with lower pixel density to optimize light transmission for the camera, while surrounding regions maintain standard pixel density for optimal display quality. This local differentiation allows each region to be optimized for its specific function without compromising overall system performance.
2Illumination intensity
If smaller pixels and lower pixel density are used in the camera region to enhance light transmission, then light transmission is improved, but visual contrast with surrounding regions worsens
Solution Approach 1:
A mask is applied to the camera region that dynamically adjusts color and brightness characteristics to match the surrounding display regions. The mask transitions color attributes from the camera region toward the surrounding regions, visually blending them together and reducing the perceptual contrast caused by the different pixel densities.
3Illumination intensity
If higher power input is applied to smaller pixels in the camera region to maintain output level, then brightness is maintained, but pixel decay accelerates
Solution Approach 1:
The system applies masks periodically or dynamically based on usage conditions rather than continuously maintaining high power input to the camera region pixels. This allows the pixels to operate at lower power levels during non-critical periods, reducing cumulative stress and extending pixel lifespan while maintaining adequate brightness when needed.
Data Source
AI summary
Implementations for masking for mitigating visual contrast of a camera region of a display are described. Generally, the described techniques provide ways for mitigating visual differences between a camera region and other regions of a display. For instance, visual masks can be generated and displayed overlapping and/or peripherally to a camera region of a display to smooth a visual transition between the camera region and other regions of the display. The masks, for example, are displayed in regions of the display that surround the camera region. Further, color attributes of the masks can be configured to provide a gradual visual transition from color output at the camera region to color output at other regions of the display.