Display Device Temperature Determiner with Rapid Sensing
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Solution Overview
Problem
Existing display devices face reduced reliability due to the inability to immediately reflect variations in temperature across all pixels, leading to delayed temperature updates and potential errors in temperature sensing.
Innovation Solution
A display device with a pixel component that includes first, second, and third color pixels, a sensing component to extract data from these pixels, and a temperature determiner that uses this data to rapidly sense and update temperature information, allowing for immediate reflection of temperature variations across the pixel component.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temperature is determined after all pixels are sensed using external compensation method, then temperature information can be extracted from all pixels, but temperature variation cannot be immediately reflected and reliability is reduced
Solution Approach 1:
The patent applies preliminary action by sensing temperature multiple times during the pixel sensing period rather than waiting until all pixels are sensed. The temperature determiner senses temperature at intermediate points (e.g., after sensing first pixels, after second pixels, etc.) before the sensing period completes, allowing temperature information to be obtained in advance and variations to be reflected immediately without waiting for complete pixel sensing.
2Reliability
If temperature sensing is performed multiple times during sensing period, then temperature variation is reflected immediately, but sensing complexity increases
Solution Approach 1:
The patent merges the temperature sensing function with the existing pixel sensing operations. The temperature determiner utilizes the sensing data already being collected from pixels during the normal sensing period, combining temperature sensing with pixel data acquisition. This approach allows multiple temperature measurements without requiring separate sensing operations, thereby reducing additional complexity while improving temperature reflection accuracy.
Data Source
AI summary
A display device includes a pixel component including first pixels which emits light having a first color, and second pixels which emits light having a second color different from the first color, a sensing component which extracts, during a sensing period, first sensing data from the first pixels, and second sensing data from the second pixels, and a temperature determiner which senses a temperature of the pixel component using the first sensing data and the second sensing data. The temperature determiner senses, when the first sensing data is supplied to the temperature determiner, the temperature of the pixel component at least one time.