Display Circuit Layout Around a Transmission Area for Light Throughput
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Solution Overview
Problem
Display devices face challenges in integrating additional functions within a limited area, particularly in efficiently utilizing the non-display area for transmission purposes while maintaining reliability and light transmittance.
Innovation Solution
Incorporating a transmission area within the display area, with conductive patterns and layers in the non-display area to facilitate light transmission and support pixel circuits, including driving voltage lines, data lines, and conductive layers, to enhance functionality and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a transmission area is added within the display area to provide additional functions, then the functionality and versatility of the display device is improved, but the light transmittance and display quality may deteriorate
Solution Approach 1:
The display area is segmented into a display region and a transmission area, allowing independent optimization of each zone. The transmission area is further divided into sub-regions with different conductive pattern densities to control light transmission locally while maintaining display quality in the display region.
Solution Approach 2:
Different regions of the transmission area are assigned different properties: some regions have higher conductive pattern density for electrical functionality, while others have lower density for light transmission. The conductive patterns use varying shapes (circles, rectangles, triangles) and densities to balance electrical performance and optical properties locally.
2Reliability
If conductive patterns are added in the non-display area to support pixel circuits, then the reliability of the display device is improved, but the device complexity increases
Solution Approach 1:
The conductive patterns in the non-display area are merged with the pixel circuit structures, serving dual purposes as both electrical connection paths and structural support elements. The conductive patterns are integrated into the existing layer structure of the display device, sharing layers and materials with other components.
Solution Approach 2:
The conductive patterns in the non-display area serve multiple functions: providing electrical connections for pixel circuits, acting as structural support, and potentially serving as additional transmission paths. This multi-functionality reduces the need for separate dedicated structures, thereby managing complexity while improving reliability.
3Illumination intensity
If the non-display area is utilized for transmission purposes with conductive layers and patterns, then the light transmittance is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The conductive patterns use varying parameters such as different shapes (circles, rectangles, triangles), different densities, and different sizes to optimize light transmission while maintaining electrical functionality. By adjusting these parameters, the design achieves high light transmittance without requiring extremely tight manufacturing tolerances, as the parameter variations provide design flexibility to compensate for manufacturing variations.
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 configuration allows for improved light transmittance and the integration of additional functions in display devices, enhancing their reliability and functionality by effectively utilizing the non-display area for transmission purposes.
Implementation Method 1
a transmission area, a display area surrounding the transmission area... capable of transmitting light as an area for adding various functions
Data Source
AI summary
A display device including a transmission area, a display area at least partially surrounding the transmission area, and a non-display area between the transmission area and the display area, in which the display device includes a driving voltage line extending in a first direction and arranged in the display area, a data line extending in the first direction and arranged in the display area, an auxiliary data line connected to the data line and extending along an edge of the transmission area in the non-display area, and a conductive pattern arranged in the non-display area and connected to the driving voltage line.