Pixel Sensing Device Data Filtering for Display Panel Driving

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Solution Overview

Problem

Conventional pixel sensing devices face issues with data loss and inefficiency due to the discrepancy between sensing and data transmission rates, leading to increased operational loads for panel driving devices as they process raw, unfiltered data from multiple pixels.

Innovation Solution

A pixel sensing device that processes raw sensing data to generate valid data, storing it in memory and transmitting only necessary information to a driving control circuit, which compensates image data based on pixel characteristics, thereby reducing data loss and operational loads.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If raw sensing data is transmitted at high speed to match the sensing rate, then data loss is reduced, but data transmission inefficiency and operational load increase

Engineering Contradiction:
Improvedata completenessVSAvoiddata transmission efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The pixel sensing device performs preliminary processing of raw sensing data before transmission, generating valid sensing data by removing noise and extracting essential information. This preliminary action reduces the volume of data that needs to be transmitted at high speed, thereby maintaining data completeness while improving transmission efficiency and reducing operational load on the panel driving device.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If all raw sensing data is transmitted to the panel driving device, then measurement precision is maintained, but device complexity and processing load increase

Engineering Contradiction:
Improvesensing data accuracyVSAvoiddata processing complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The pixel sensing device extracts only the essential and valid information from raw sensing data, separating useful data from noise and redundant information. This extraction process maintains measurement precision by preserving accurate sensing information while reducing device complexity by minimizing the amount of data that requires further processing by the panel driving device.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The pixel sensing device acts as an intermediary between the sensing element and the panel driving device, performing intermediate processing to convert raw sensing data into valid sensing data. This intermediary function maintains measurement precision through careful data validation while reducing the processing burden on the panel driving device.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Loss of information

If data transmission rate is increased to match sensing rate, then data loss is reduced, but energy consumption and operational load increase

Engineering Contradiction:
Improvesensing data lossVSAvoiddata transmission energy
Core Design Contradiction:
Loss of informationVSUse of energy by moving object

Solution Approach 1:

The pixel sensing device performs preliminary filtering and validation of sensing data before transmission, reducing the total volume of data that requires high-speed transmission. This preliminary action minimizes information loss while reducing the energy consumption associated with data transmission and the operational load on the panel driving device.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS10621910B2Pixel sensing device and panel driving device
Publication Date: 2020.04.14 SILICON WORKS CO LTD
  • US10621910B2 patent drawing
  • US10621910B2 patent drawing
  • US10621910B2 patent drawing

AI summary

The present invention provides a pixel sensing device for sensing characteristics of pixels arranged on a display panel, processing and converting the same into valid sensing data, and transmitting the valid sensing data to an external device.