Display Panel Reflective Structure for Vertical LED Brightness
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Solution Overview
Problem
Vertical LED components used in display panels suffer from divergent light emission, which reduces the brightness of the display panel due to their innate structural limitations.
Innovation Solution
A display panel design that includes a driving backplane, a light emitting component, a reflective structure, and a bridging component, where the reflective structure is positioned on the driving backplane around the light emitting component to redirect and concentrate light emission towards the normal direction, enhancing brightness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If vertical LED component is used to reduce volume, then the volume is reduced and suitability for high resolution display is improved, but the light emission becomes divergent and brightness is reduced
Solution Approach 1:
The patent converts the harmful divergent light emission from the vertical LED component into a beneficial concentrated beam by using optical elements (lens or reflector) to redirect and focus the light. The divergent light that would normally reduce brightness is transformed into a concentrated light path that enhances brightness and display quality.
Solution Approach 2:
The patent introduces an intermediary optical element (lens or reflector) between the vertical LED component and the display panel. This intermediary component mediates the light transmission by focusing and directing the divergent light into a concentrated beam, thereby resolving the contradiction between compact size and brightness.
2Device complexity
If vertical LED component with small volume is used, then device compactness is improved, but light concentration is reduced due to divergent emission
Solution Approach 1:
The patent introduces an intermediary optical element (lens or reflector) that acts as a mediator between the simple vertical LED structure and the requirement for concentrated light. This intermediary component adds minimal structural complexity while achieving the desired light concentration effect.
Solution Approach 2:
The patent changes the optical parameters of the light emission by using optical elements to alter the light path, focus, and concentration. This allows the system to maintain the simple vertical LED structure while achieving concentrated light emission through parameter transformation.
3Illumination intensity
If reflective structure is added to concentrate light, then brightness is enhanced, but device complexity increases
Solution Approach 1:
The patent designs the optical element (lens or reflector) to serve multiple functions: it focuses light to enhance brightness, maintains a compact form factor, and can be integrated with the existing vertical LED structure. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
Solution Approach 2:
The patent merges the optical concentrating function with the existing vertical LED component structure. The optical element is integrated into the LED assembly rather than being a separate added component, which minimizes the overall structural complexity while achieving light concentration.
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
The proposed solution effectively enhances the brightness of the display panel by concentrating light emission, thereby overcoming the limitations of divergent light emission from vertical LED components.
Implementation Method 1
the reflective structure is positioned on the driving backplane around the light emitting component to redirect and concentrate light emission towards the normal direction
Data Source
AI summary
A display panel includes a driving backplane, a light emitting component, a reflective structure and a bridging component. The driving backplane has a first pad and a second pad separated from each other. The light emitting component has a first electrode and a second electrode. The first electrode is electrically connected to the first pad of the driving backplane, and the first electrode is located between the second electrode and the first pad of the driving backplane. The reflective structure is disposed on the driving backplane and located at a periphery of the light emitting component. The bridging component is disposed on the light emitting component. One end of the bridging component is electrically connected to the second electrode. The bridging component passes across at least one portion of the reflective structure. The other end of the bridging component is electrically connected to the second pad of the driving backplane.