Light Emitting Substrate Segmentation for Driving Current
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Solution Overview
Problem
Front-lit reflective display apparatuses, particularly liquid crystal display apparatuses, face challenges in enhancing display performance under ambient light conditions due to limitations in light emitting substrate designs and driving methods.
Innovation Solution
A light emitting substrate comprising a plurality of light emitting controlling units arranged in M rows and N columns, with specific voltage signal line configurations and connections, allowing for efficient electrical connection and voltage signal provision to light emitting elements, enhancing driving current and response capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional light emitting substrate designs are used in front-lit reflective display apparatuses, then the display can operate under ambient light conditions, but the display performance is limited due to insufficient driving current and response capacity
Solution Approach 1:
The light emitting substrate is divided into multiple light emitting controlling units arranged in M rows and N columns, where each controlling unit contains multiple light emitting elements arranged in J rows and I columns. This segmentation allows independent control and optimization of each unit, enabling enhanced driving current and response capacity for improved display performance under ambient light conditions.
2Reliability
If conventional voltage signal line configurations are used, then the structure remains simple, but the response capacity of the driving chip is insufficient
Solution Approach 1:
The voltage signal lines are organized into a multi-dimensional structure with first voltage signal lines connected to first terminals of light emitting elements in respective rows, and second voltage signal lines connected to second terminals. This dimensional organization of signal lines enables enhanced response capacity by providing multiple independent signal paths while maintaining systematic management of the increased complexity.
3Reliability
If the number of light emitting controlling units is increased to improve display quality, then the overall display performance improves, but the complexity of the voltage signal line connections increases
Solution Approach 1:
The voltage signal line configuration uses universal connection patterns where first voltage signal lines connect to first terminals across multiple rows, and second voltage signal lines connect to second terminals across multiple columns. This universal connection approach allows the same signal line structure to serve multiple light emitting controlling units, enabling improved display quality through increased unit count while managing connection complexity through standardized interfaces.
Data Source
AI summary
A light emitting substrate is provided. The light emitting substrate includes a plurality of light emitting controlling units arranged in M rows and N columns, M is an integer equal to or greater than one, N is an integer equal to or greater than one, wherein a respective one of the plurality of light emitting controlling units includes a plurality of light emitting elements arranged in J rows and I columns, J being an integer equal to or greater than one, I being an integer equal to or greater than one, a i-th column of the I columns of light emitting elements includes J rows of light emitting elements, 1≤i≤I; (M×J) number of first voltage signal lines; and (M×J) number of groups of second voltage signal lines.