Display Driving Apparatus Pixel Reorder Circuit

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Solution Overview

Problem

Current display technologies face challenges in enhancing image processing quality and efficiency, particularly as the resolution of display panels increases, leading to higher manufacturing costs and poor image processing operations.

Innovation Solution

A display driving apparatus comprising a pixel reorder circuit, an image processing circuit, and a driver circuit that reorders pixels and performs image processing operations on sub-pixel sets using the same or different parameters based on variance analysis, with optional compression and decompression functions to improve image processing quality and efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the number of sub-pixels is increased to achieve high resolution, then the visual resolution is enhanced, but the manufacturing cost is increased

Engineering Contradiction:
Improvevisual resolutionVSAvoidmanufacturing cost
Core Design Contradiction:
Measurement precisionVSEase of manufacture

Solution Approach 1:

The invention divides each pixel into multiple sub-pixels (first sub-pixel set and second sub-pixel set) with different functions. The first sub-pixel set displays color information while the second sub-pixel set displays brightness information, enabling high-resolution display without proportionally increasing the total number of sub-pixels required, thus reducing manufacturing cost while maintaining visual resolution.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention adds a new dimension to pixel organization by separating color display (first sub-pixel set) and brightness display (second sub-pixel set) into distinct functional groups. This dimensional separation allows the system to achieve sub-pixel level resolution efficiency without linearly increasing the total sub-pixel count, thereby reducing manufacturing complexity and cost.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Productivity

If conventional image processing operations are applied to sub-pixel rendered images, then the processing can be performed with existing algorithms, but the image processing quality is poor and efficiency is low

Engineering Contradiction:
Improveimage processing efficiencyVSAvoidimage processing quality
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The image processing circuit separately processes the first sub-pixel set (color information) and the second sub-pixel set (brightness information) using different processing paths and parameters. This segmentation allows each processing path to be optimized for its specific data type, improving both processing quality and efficiency compared to conventional unified processing approaches.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different image processing parameters and algorithms are applied to different sub-pixel sets based on their specific characteristics. The first sub-pixel set undergoes color-specific processing while the second sub-pixel set undergoes brightness-specific processing, ensuring that each processing operation is locally optimized for its data type, thereby improving overall image processing quality and efficiency.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10217394B2Display driving apparatus and display driving method
Publication Date: 2019.02.26 NOVATEK MICROELECTRONICS CORP
  • US10217394B2 patent drawing
  • US10217394B2 patent drawing
  • US10217394B2 patent drawing

AI summary

A display driving apparatus including a pixel reorder circuit, an image processing circuit and a driver circuit is provided. The pixel reorder circuit is configured to reorder pixels of frame data. The frame data includes previous frame data. The image processing circuit is coupled to the pixel reorder circuit. The image processing circuit is configured to perform an image processing operation on the frame data that the pixels have been reordered. The driver circuit is coupled to the pixel reorder circuit. The driver circuit is configured to drive a display according to the previous frame data that pixels have been reordered and the current frame data. Each of the pixels of the frame data includes a first sub-pixel set and a second sub-pixel set. In addition, a display driving method is also provided.