Display Driving Apparatus Data Line Grouping for Pixel Charging Speed

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Solution Overview

Problem

Conventional display panels face challenges in charging speed as screen resolution and update frequency increase, leading to insufficient time for pixel charging, which affects display quality.

Innovation Solution

The implementation of three or more data lines between pixels in a display panel to improve charging speed, with data lines grouped into groups and strategically located between pixels to enhance data writing efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If one data line is located between pixels of the same row in conventional display panels, then the device complexity is low, but the charging speed for pixels becomes insufficient when screen resolution and update frequency increase

Engineering Contradiction:
Improvecharging speedVSAvoiddata line arrangement complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

The patent divides the data line arrangement into multiple segments by introducing three or more data lines between pixels of the same row. This segmentation allows parallel data writing to multiple pixels simultaneously, thereby increasing charging speed without creating a single complex unified structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from a conventional single data line arrangement to a multi-dimensional data line configuration where three or more data lines are strategically positioned between pixels of the same row. This dimensional change enables simultaneous data transmission to multiple pixels, resolving the charging speed limitation.

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

2Manufacturing precision

If screen resolution and screen update frequency are increased, then the display quality is improved, but the time for the source driving circuit to charge the pixels is shortened

Engineering Contradiction:
Improvedisplay qualityVSAvoidcharging time
Core Design Contradiction:
Manufacturing precisionVSDuration of action of moving object

Solution Approach 1:

The patent ensures continuous useful action by maintaining three or more active data lines between pixels of the same row throughout the charging process. This continuous multi-line data transmission ensures that pixel charging continues efficiently even as screen resolution and update frequency increase, preventing charging time from becoming insufficient.

Inventive Principle:
Principle #20Continuity of useful action

3Productivity

If three or more data lines are located between pixels, then the charging speed for pixels is improved, but the device complexity increases

Engineering Contradiction:
Improvepixel charging efficiencyVSAvoiddata line configuration complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent segments the pixel array into multiple groups, with each group served by dedicated data lines. This segmentation allows independent control and charging of different pixel groups, improving overall charging efficiency while managing complexity through modular organization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent designs the multi-data line configuration to serve multiple functions: data transmission, pixel charging, and display rendering. This multi-functionality allows the same data line structure to handle various operational requirements, improving productivity without proportionally increasing complexity.

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

Data Source

PatentUS9818326B2Display driving apparatus, method for driving display panel and display panel
Publication Date: 2017.11.14 NOVATEK MICROELECTRONICS CORP
  • US9818326B2 patent drawing
  • US9818326B2 patent drawing
  • US9818326B2 patent drawing

AI summary

A display panel including a plurality of pixels, a plurality of scan lines and a plurality of data lines is provided. The pixels are arranged in an array, and the array includes columns and rows. Each of the scan lines is coupled to the pixels located on the same row. Each of the data lines is coupled to the pixels located on the same column. The data lines are grouped into a plurality of data line groups, and each of the data line groups includes three or more data lines. The data line groups are respectively located between the pixels on the same row. The data line groups are configured to write display data into the pixels when the pixels are turned on. A display driving apparatus and a method for driving the display panel are also provided.