Pixel Circuit Conductive Resistance Optimization
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Solution Overview
Problem
Existing electronic devices face challenges in optimizing pixel circuits, leading to suboptimal quality and power efficiency due to poorly designed parameters in light-emitting elements, transistors, and capacitors.
Innovation Solution
The electronic device incorporates a pixel circuit with a driving transistor, an emission transistor, a capacitor, and a light-emitting element, where the driving transistor has a higher conductive resistance value than the emission transistor under the same driving voltage, optimizing the conductive resistance values and related sizes through the setting of current values.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the parameters of transistors and capacitors are not well designed, then the device can be manufactured with simpler processes, but the quality and power efficiency of the electronic device deteriorates
Solution Approach 1:
The patent applies parameter changes by optimizing the conductive resistance values of transistors and capacitance values of capacitors to specific ranges. The driving transistor is designed with a first conductive resistance value and the emission transistor with a second conductive resistance value, where the ratio between them is controlled within a specific range. This parameter optimization resolves the contradiction by achieving both manufacturability and high device quality through precise parameter control rather than complex structural designs.
2Device complexity
If the conductive resistance values of transistors are not optimized, then the device structure remains simple, but power consumption and heat generation increase
Solution Approach 1:
The patent resolves this contradiction by optimizing the conductive resistance parameters of transistors. The driving transistor has a first conductive resistance value and the emission transistor has a second conductive resistance value, with their ratio controlled within a specific range. This parameter optimization enables the circuit to achieve low power consumption and reduced heat generation while maintaining a simple structural design, without requiring additional complex circuit elements.
3Ease of manufacture
If the capacitance value of the capacitor is not properly designed, then the manufacturing process remains simple, but the power efficiency of the light-emitting element deteriorates
Solution Approach 1:
The patent applies parameter changes by designing the capacitor with a specific capacitance value that is properly matched to the conductive resistance values of the transistors. The capacitance value is optimized to work in conjunction with the first and second conductive resistance values, creating a coordinated parameter set that achieves high power efficiency while maintaining simple manufacturing processes. This resolves the contradiction by showing that parameter optimization, rather than structural complexity, is key to energy efficiency.
Data Source
AI summary
An electronic device includes a pixel circuit. The pixel circuit includes a driving transistor, an emission transistor, a capacitor, and a light-emitting element. The driving transistor is electrically connected to the emission transistor and the capacitor. The emission transistor is electrically connected to the light-emitting element. Under the same driving voltage, the driving transistor has a first conductive resistance value, the emission transistor has a second conductive resistance value, and the first conductive resistance value is greater than the second conductive resistance value.