Display Panel Load Matching and Dummy Areas for Sensor Integration
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Solution Overview
Problem
Existing display panels face challenges in integrating multiple functions such as cameras and sensors within the display area while maintaining high light transmittance and flexibility, which affects their performance and versatility.
Innovation Solution
The display panel design includes a substrate with distinct regions for display, non-display, and load matching areas, featuring overlapping conductive layers with insulating layers, and dummy areas to manage signal distribution and pattern density, allowing for efficient integration of electronic elements like cameras and sensors without compromising light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronic elements (cameras, sensors) are integrated inside the display area, then functionality is improved, but light transmittance deteriorates
Solution Approach 1:
The patent moves electronic elements from the two-dimensional display plane into the third dimension by creating hollow spaces within the display structure. The encapsulation structure is designed with internal cavities that can accommodate cameras and sensors, effectively utilizing the vertical space rather than occupying the display area horizontally. This dimensional transition allows electronic components to be integrated without blocking light paths in the display plane.
Solution Approach 2:
The patent embeds electronic elements within the encapsulation structure itself, creating a nested configuration where cameras and sensors are housed inside the display device's protective casing. The encapsulation structure serves dual purposes: protecting the display and housing electronic components. This nesting approach allows multiple functions to coexist within the same structural envelope without compromising the display area.
2Adaptability or versatility
If multiple functions are integrated into the display panel, then versatility is improved, but device complexity increases
Solution Approach 1:
The encapsulation structure is designed as a multi-functional component that simultaneously provides mechanical protection, structural support, and housing for electronic elements. Rather than adding separate components for each function, the patent creates a universal structure that performs multiple roles: the encapsulation body protects the display, the hollow spaces house cameras and sensors, and the integrated wiring system connects all components. This multi-functionality approach reduces overall device complexity despite increased versatility.
Solution Approach 2:
The patent combines previously separate functions into a unified structure. The encapsulation structure merges the protective casing with the housing for electronic elements, and the wiring system integrates signal transmission for both display pixels and embedded electronic components. By merging these functions into cohesive subsystems, the patent manages complexity while achieving high versatility.
3Reliability
If load matching areas with overlapping conductive layers are added, then electrostatic discharge protection is improved, but manufacturing complexity increases
Solution Approach 1:
The patent modifies the electrical parameters of the display structure by introducing load matching areas with specific conductive layer configurations. These areas are designed with controlled overlapping conductive layers that create specific electrical characteristics for electrostatic discharge protection. By carefully controlling the parameters (layer thickness, material composition, overlap geometry), the patent achieves ESD protection while managing manufacturing complexity through standardized design rules.
Data Source
AI summary
A display panel includes: a substrate including: a first region; a second region; a non-display area surrounding the first region and the second region; and a display area surrounding the non-display area; a plurality of pixels in the display area; a plurality of wirings configured to supply signals to the plurality of pixels; a load matching area connected to first wirings of the wirings, the load matching area including load units in the non-display area; and a dummy area including a plurality of dummy units spaced apart from the load units in the non-display area, wherein each of the load units comprises a load semiconductor layer, a first load conductive layer, and a second load conductive layer which at least partially overlap each other with an insulating layer therebetween, and the load semiconductor layer is connected to the second load conductive layer via a first contact hole.