Image Controller Thermal Management for Semiconductor Packages
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Solution Overview
Problem
High-performance display devices require efficient management of heat generated by semiconductor circuits to prevent failures, especially as resolution and image refresh rates increase.
Innovation Solution
An image controller and semiconductor package that control the operation of semiconductor circuits based on temperature, allowing the second semiconductor circuit to be turned off when the temperature exceeds a predetermined level, and using a memory to temporarily process compensation parameters for image data compensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the second semiconductor circuit operates continuously to provide image compensation, then display quality is improved, but heat accumulation causes reliability degradation
Solution Approach 1:
The patent implements dynamic operation control of the second semiconductor circuit based on real-time temperature monitoring. The circuit switches between active and inactive states according to temperature thresholds, allowing the system to adapt its performance characteristics to thermal conditions. This resolves the contradiction by making the operating state flexible rather than fixed, enabling high display quality when temperature is acceptable while preventing thermal runaway when temperature exceeds safe levels.
Solution Approach 2:
The patent employs a feedback mechanism where temperature sensing data from the second semiconductor circuit is continuously monitored and fed back to the first semiconductor circuit. Based on this feedback, the first circuit determines whether to activate or deactivate the second circuit, creating a closed-loop control system. This feedback mechanism ensures that the system automatically adjusts its operation to maintain reliability while optimizing display quality under varying thermal conditions.
2Reliability
If image compensation is applied to improve display quality, then visual performance is improved, but heat generation increases
Solution Approach 1:
The patent applies partial action by selectively activating the second semiconductor circuit only when temperature conditions permit. Rather than continuously applying full image compensation, the system applies compensation partially based on thermal constraints. This allows the system to optimize display quality when thermally advantageous while reducing heat generation when temperature approaches unsafe levels, effectively balancing the contradiction between display quality improvement and heat generation.
3Productivity
If the second semiconductor circuit is activated for image compensation, then processing capability is improved, but thermal management complexity increases
Solution Approach 1:
The patent merges the thermal management function with the existing image processing architecture by integrating the temperature sensing and control logic into the first semiconductor circuit that already processes image data. The first circuit combines its image compensation function with temperature monitoring and control of the second circuit, eliminating the need for separate thermal management hardware. This merging approach improves processing capability through coordinated operation of both circuits while minimizing the increase in overall system complexity.
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 solution minimizes failures caused by excessive heat in semiconductor circuits by dynamically controlling their operation based on temperature, ensuring optimal display quality and reliability.
Implementation Method 1
a sensing unit configured to generate a temperature sensing data by measuring a temperature of the second semiconductor circuit
Data Source
AI summary
An image controller includes: a first semiconductor circuit configured to generate a third compensation data obtained by applying a first image compensation to an input image data; a second semiconductor circuit configured to generate a first compensation data obtained by applying a second image compensation different from the first image compensation to the input image data; and a sensing unit configured to generate a temperature sensing data by measuring a temperature of the second semiconductor circuit. The first semiconductor circuit determines whether an operation of the second semiconductor circuit is to be off based on the temperature sensing data.