Partitioned Display Substrate with Region-Specific Refresh Control

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Solution Overview

Problem

Existing display technologies struggle to meet diverse display requirements across different regions of a screen while maintaining efficient power consumption.

Innovation Solution

A display substrate with multiple drive circuits and control circuits that allow for synchronized or partially different display refresh frequencies across partitions, enabling tailored display performance and reduced power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single drive circuit controls the entire display screen, then the device complexity is low, but it cannot meet diverse display requirements across different regions

Engineering Contradiction:
Improvedisplay requirements adaptabilityVSAvoiddrive circuit complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The display screen is divided into multiple independent display partitions (first display partition, second display partition, etc.), each controlled by its own drive circuit (first drive circuit, second drive circuit, etc.). This segmentation allows each partition to have different refresh frequencies independently controlled, meeting diverse display requirements while maintaining manageable circuit complexity through modular design.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If different display partitions use different refresh frequencies, then diverse display needs are met, but power consumption control becomes more difficult

Engineering Contradiction:
Improvedisplay refresh frequency flexibilityVSAvoidpower consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by stationary object

Solution Approach 1:

The system dynamically adjusts refresh frequencies for different display partitions based on actual display needs. The drive circuits can set different refresh frequencies (e.g., first refresh frequency for first partition, second refresh frequency for second partition), allowing the display to adapt its power consumption to the actual content being displayed, reducing energy waste on static or low-change regions.

Inventive Principle:
Principle #15Dynamics

3Use of energy by stationary object

If all display partitions use the same refresh frequency, then power consumption is easier to control, but diverse display requirements cannot be satisfied

Engineering Contradiction:
Improvepower consumption efficiencyVSAvoidregion-specific display capability
Core Design Contradiction:
Use of energy by stationary objectVSAdaptability or versatility

Solution Approach 1:

Different display partitions are assigned different refresh frequencies according to their specific display requirements. For example, the first display partition may use a higher refresh frequency for content requiring smooth motion, while the second display partition uses a lower refresh frequency for static or less time-sensitive content, optimizing power consumption locally while maintaining overall display quality.

Inventive Principle:
Principle #3Local quality

4Productivity

If multiple drive circuits are used for different display partitions, then display performance is optimized, but the device complexity increases

Engineering Contradiction:
Improvedisplay refresh efficiencyVSAvoidcircuit structure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The display system is segmented into multiple independent partitions, each with its own drive circuit. This modular segmentation allows parallel operation of multiple drive circuits, improving overall display refresh efficiency and productivity, while the modular structure keeps individual circuit complexity manageable and facilitates independent optimization of each partition.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20250273126A1Display substrate, control method therefor, and display apparatus
Publication Date: 2025.08.28 CHENGDU BOE OPTOELECTRONICS TECH CO LTD
  • US20250273126A1 patent drawing
  • US20250273126A1 patent drawing
  • US20250273126A1 patent drawing

AI summary

A display substrate, including: a substrate, a plurality of sub-pixels and a plurality of driving circuits. The substrate includes a display area, the display area including a plurality of display partitions; the plurality of sub-pixels are located in the display area; and at least one of the plurality of driving circuits corresponds to one display partition. At least one driving circuit is configured to provide a gate driving signal to a plurality of sub-pixels in a corresponding display partition, such that the display refreshing frequencies of the plurality of display partitions are the same or at least partially different.