Display Driver Circuit for Direct SPR Image Processing

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing image processing techniques require conversion between true color and sub-pixel rendered (SPR) images, leading to irreversible distortion, increased data volume, and higher computational power consumption.

Innovation Solution

A driver device and method that processes input frame data directly in the SPR format without converting to true color, utilizing a storage circuit, processor circuit, and source driving circuit to generate data voltages for subpixels in the subpixel arrangement format.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If input frame data is converted to true color format for processing, then image processing compatibility is improved, but data volume increases and power consumption increases

Engineering Contradiction:
Improveimage processing compatibilityVSAvoiddata volume
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent changes the data format parameter from true color (RGB) to subpixel rendering (SPR) format, maintaining image processing compatibility while reducing data volume by approximately 33% since SPR uses fewer color channels per pixel

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If input frame data is converted to true color format, then image processing compatibility is improved, but power consumption increases

Engineering Contradiction:
Improveimage processing compatibilityVSAvoidpower consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The patent changes the data format parameter from true color (RGB) to subpixel rendering (SPR) format, maintaining image processing compatibility while reducing data volume by approximately 33% since SPR uses fewer color channels per pixel

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If conversion between true color and SPR formats is performed, then image processing flexibility is improved, but image quality deteriorates due to irreversible distortion

Engineering Contradiction:
Improveimage processing flexibilityVSAvoidimage quality
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

Instead of converting SPR to true color and then processing, the patent inverts the approach by processing images directly in SPR format from the beginning, avoiding the irreversible conversion process that causes distortion and blurring

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The patent performs image processing operations directly on SPR format data before any potential format conversion, ensuring that all processing is done in the native SPR domain to preserve image quality and avoid distortion

Inventive Principle:
Principle #10Preliminary action

4Measurement precision

If true color format is used for image processing, then color accuracy is improved, but computational complexity increases

Engineering Contradiction:
Improvecolor accuracyVSAvoidcomputational complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent changes the color representation parameter from full true color (RGB with 3 channels) to subpixel rendering format (using fewer channels), reducing computational complexity while maintaining sufficient color accuracy for display purposes

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20260045194A1Driver device and method for driving display panel
Publication Date: 2026.02.12 NOVATEK MICROELECTRONICS CORP
  • US20260045194A1 patent drawing
  • US20260045194A1 patent drawing
  • US20260045194A1 patent drawing

AI summary

A driver device configured to drive a display panel to display images is provided. The driver device includes a storage circuit, a processor circuit, and a source driving circuit. The storage circuit stores image processing parameters. The processor circuit receives an input frame data and a selecting signal indicating a first subpixel rendering (SPR) format that the input frame data is in. The processor circuit processes the input frame data according to a part of the image processing parameters which is selected according to the selecting signal, to generate the output frame data. The source driving circuit receives a first frame data in a subpixel arrangement format from the processor circuit, and generates data voltages according to the first frame data to drive subpixels of the display panel. The subpixels of the display panel are arranged in the subpixel arrangement format.