Display Panel Driving Controller Power Reduction via Selective Data Compensation
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Solution Overview
Problem
Existing display apparatuses consume high power due to advanced data processing operations in the driving controller, which increases the gate count and data toggling, leading to increased power consumption.
Innovation Solution
A display apparatus that includes a data analyzer, a logic core, and a latch, which analyzes input image data and omits data processing for portions or all of the data, reducing power consumption by compensating only necessary pixel data based on analysis results.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data processing operations are advanced to enhance display quality, then display quality is improved, but power consumption increases
Solution Approach 1:
The patent segments the data processing into two distinct paths: a first path for processing first pixel data (including compensation operations) and a second path for processing second pixel data. This segmentation allows the system to process only necessary data through the more intensive first path while using the simpler second path for other data, thereby reducing overall power consumption while maintaining display quality where needed.
Solution Approach 2:
The patent applies different processing quality levels to different portions of the data. The first pixel data receives enhanced processing (compensation operations) while the second pixel data receives reduced processing. This local differentiation of processing quality allows the system to optimize display quality in critical areas while reducing power consumption in areas where full processing is not necessary.
2Reliability
If compensation operations are performed on all line data, then display quality is enhanced, but power consumption increases
Solution Approach 1:
The patent applies partial compensation operations instead of full compensation to all line data. Specifically, compensation operations are performed only on first pixel data while second pixel data is processed through a different, less intensive path. This partial action approach reduces the total computational load and power consumption while still providing quality enhancement where most needed.
Data Source
AI summary
A display apparatus includes a display panel, a data analyzer, a logic core and a latch. The display panel is configured to display an image. The data analyzer is configured to analyze input image data. The logic core is configured to compensate all of line data, compensate a part of the line data, or not compensate all of the line data according to an analysis result of the data analyzer. The latch is configured to receive compensated data from the logic core.