Honeycomb Pixel Structure for Drive Circuit Simplification

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Solution Overview

Problem

Conventional display panel technologies face challenges in achieving high resolution while maintaining small sub-pixel sizes, leading to increased complexity and costs in drive circuit design and manufacturing.

Innovation Solution

A pixel structure arranged in a honeycomb configuration with sub-pixels of different colors, where each pixel is formed by combining first, second, and third color sub-pixels in specific ratios and spacings, allowing for efficient sharing of sub-pixels to mimic high resolution with low resolution, and simplifying the design of drive circuits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If sub-pixels are reduced in size to improve resolution, then visual resolution is improved, but manufacturing complexity and cost increase

Engineering Contradiction:
Improvevisual resolutionVSAvoiddrive circuit design complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent merges multiple sub-pixels into shared pixel units where each sub-pixel serves multiple theoretical pixels. Specifically, each sub-pixel is shared by four theoretical pixels arranged in a 2x2 grid, allowing one physical sub-pixel to contribute to the display of four different theoretical pixel locations. This merging approach maintains high visual resolution while reducing the total number of sub-pixels required, thereby simplifying drive circuit design and manufacturing.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Each sub-pixel is designed to serve multiple functions simultaneously. A single sub-pixel acts as the red sub-pixel for one theoretical pixel, the green sub-pixel for another theoretical pixel, the blue sub-pixel for a third theoretical pixel, and can be reused for additional theoretical pixels in adjacent positions. This multi-functionality allows the display to achieve high resolution without proportionally increasing the number of physical sub-pixels, thus reducing drive circuit complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If sub-pixels are reduced in size to improve resolution, then visual resolution is improved, but manufacturing cost increases

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

Solution Approach 1:

The patent merges multiple sub-pixels into shared pixel units where each sub-pixel serves multiple theoretical pixels. Specifically, each sub-pixel is shared by four theoretical pixels arranged in a 2x2 grid, allowing one physical sub-pixel to contribute to the display of four different theoretical pixel locations. This merging approach maintains high visual resolution while reducing the total number of sub-pixels required, thereby simplifying drive circuit design and manufacturing.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Each sub-pixel is designed to serve multiple functions simultaneously. A single sub-pixel acts as the red sub-pixel for one theoretical pixel, the green sub-pixel for another theoretical pixel, the blue sub-pixel for a third theoretical pixel, and can be reused for additional theoretical pixels in adjacent positions. This multi-functionality allows the display to achieve high resolution without proportionally increasing the number of physical sub-pixels, thus reducing drive circuit complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Measurement precision

If a rectangular pen tile structure is used to mimic high resolution, then visual resolution is improved, but drive circuit design becomes more difficult

Engineering Contradiction:
Improvevisual resolutionVSAvoiddrive circuit design complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs an asymmetric sub-pixel arrangement within each theoretical pixel unit. Instead of using a symmetric rectangular grid, the sub-pixels are positioned at the four corners of a theoretical pixel unit with specific spacing relationships. The sub-pixels in adjacent rows are offset from each other, creating an asymmetric pattern that simplifies drive circuit design while maintaining high visual resolution through the shared pixel structure.

Inventive Principle:
Principle #4Asymmetry

Data Source

PatentUS20170256232A1Pixel structure
Publication Date: 2017.09.07 WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
  • US20170256232A1 patent drawing
  • US20170256232A1 patent drawing
  • US20170256232A1 patent drawing

AI summary

The present invention provides a pixel structure, which includes a plurality of sub-pixels arranged in the form of a point lattice exhibiting a honeycomb configuration comprising honeycomb cells each showing a regular hexagon having edges that have a length a; for two rows of the sub-pixels that are adjacent to each other in an up-down direction, the sub-pixels of one of the rows are arranged in a horizontal direction such that spacing distances therebetween are of an alternate arrangement of a and 2a, wherein for every two sub-pixels of which the spacing distance therebetween is a, the one of the sub-pixels that is located at the right-hand side is a first color sub-pixel (1), while the one of the sub-pixels that is located at the left-hand side is a second color sub-pixel (2); and, the sub-pixels of the other one of the rows are arranged in a horizontal direction such that spacing distances therebetween are of an alternate arrangement of 2a and a, wherein for every two sub-pixels of which the spacing distance therebetween is a, the one of the sub-pixels that is located at the right-hand side is a first color sub-pixel (1), while the one of the sub-pixels that is located at the left-hand side is a third color sub-pixel (3); for each column of the sub-pixels, multiple ones of the sub-pixels having the same color are arranged in a straight line in a vertical direction. Such a pixel structure achieves an effect of mimicking a high resolution with a low resolution and also reduces the design difficulty of a drive circuit thereby helping simplify the manufacturing process and lower down costs.