Display Panel Layout With Light-Blocking Isolation for Under-Screen Cameras
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Solution Overview
Problem
Traditional electronic devices with front-facing cameras and other components integrated into the display screen cannot achieve a full-screen design due to the need for notches or holes for light to enter photosensitive elements, resulting in unused display regions.
Innovation Solution
A display panel design with a first display area having higher light transmittance than a second display area, along with an isolation area containing a light-blocking assembly, allows for under-screen integration of photosensitive components while maintaining display functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If notches or holes are provided on the display screen to allow light entry for photosensitive elements, then photosensitive components can be integrated, but the display area is reduced and full-screen design cannot be achieved
Solution Approach 1:
The patent moves the photosensitive components from the front surface (requiring notches/holes) to the back surface of the display panel. This dimensional relocation allows light to pass through the display area from the front without being blocked, enabling full-screen display while maintaining component integration functionality.
Solution Approach 2:
The photosensitive components are nested within the display panel structure itself, specifically positioned in the backlight assembly or substrate layer. This nesting eliminates the need for external notches or holes, as the components are housed within the existing panel architecture while still receiving necessary light.
2Area of stationary object
If photosensitive components are integrated under the display screen, then full-screen display can be achieved, but light from display pixels may cause Mura (uneven brightness) effects on the pixel circuits
Solution Approach 1:
The patent introduces a light-blocking assembly positioned between the display pixels and the photosensitive components. This intermediary structure selectively blocks harmful light paths that would cause Mura effects while allowing the display function to operate normally, thus mediating between the conflicting requirements of full-screen display and prevention of light-induced defects.
Solution Approach 2:
The light-blocking assembly is designed with segmented or patterned structures that correspond to the pixel arrangement. This segmentation allows precise control of light blocking, ensuring that only problematic light paths are blocked while maintaining overall display performance and avoiding uniform brightness loss.
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
This design enables a full-screen display by integrating photosensitive components under the display panel, increasing the display area, and preventing light-induced Mura (uneven brightness) issues, thereby improving display quality.
Implementation Method 1
a light-blocking assembly positioned in the isolation area, the light-blocking assembly being configured to block light incident from the first sub-pixels to the first pixel circuit
Data Source
AI summary
A display panel and display apparatus. The display panel includes a first display area, a second display area, and an isolation area. A light transmittance of the first display area is greater than a light transmittance of the second display area. At least a part of the isolation area is positioned between the first display area and the second display area. The display panel includes a plurality of first sub-pixels positioned in the first display area; a first pixel circuit positioned in the second display area, the first pixel circuit being electrically connected to the first sub-pixels in the first display area and being configured to drive the first sub-pixels in the first display area to display; and a light-blocking assembly positioned in the isolation area, the light-blocking assembly being configured to block light incident from the first sub-pixels to the first pixel circuit.