Dimming Film Sensor Integration for Full Screen Displays
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Solution Overview
Problem
Full screen display devices face challenges in maintaining normal sensor operation without compromising the display effect, as slots are needed for sensors, which affect the screen design and display quality.
Innovation Solution
A display device with a second display area comprising staggered light-emitting and light-transmitting areas, and a dimming film with varying transmittance under different electric field intensities, allowing sensors to operate without slots and maintaining aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If slots are made on the display panel for sensors, then sensors can operate normally, but the display effect is compromised and full screen design is affected
Solution Approach 1:
A dimming film is introduced as an intermediary component between the display panel and the sensor. This film can be adjusted to different transmittance levels, allowing it to mediate between the need for light transmission to the sensor and the need for display quality. When the sensor needs to operate, the dimming film can be made more transparent; when display quality is prioritized, it can be made more opaque, thus resolving the contradiction without requiring physical slots in the display panel.
Solution Approach 2:
The dimming film's transmittance is made dynamically adjustable rather than fixed. By controlling the transmittance of the dimming film, the system can adapt between different operational states: allowing light through when sensor operation is needed, and blocking light when optimal display performance is required. This dynamic adjustment eliminates the need for permanent slots while maintaining both sensor functionality and display integrity.
2Reliability
If the dimming film is made transparent for sensor operation, then sensors can sense light normally, but display quality may be affected
Solution Approach 1:
The dimming film is designed with spatially varying transmittance characteristics, where different regions of the film can have different transmittance levels. This allows the film to be more transparent in areas where sensors are located to ensure proper light sensing, while maintaining higher opacity in display-critical regions to preserve display quality and brightness uniformity, thus resolving the contradiction through localized property differentiation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables normal sensor operation without compromising the display effect, ensuring a full screen design and improved display quality by allowing sensors to function through light-transmitting areas while maintaining the dimming film's aesthetic and functional flexibility.
Implementation Method 1
the dimming film has different transmittances under different electric field intensities
Data Source
AI summary
A display device and its control method are disclosed. The display device includes: a display panel including a first display area and a second display area; at least one sensor located in the second display area and configured to operate according to the ambient light sensed by the second display area; wherein the second display area includes a plurality of staggered light-emitting areas and light-transmitting areas.