Multi-Screen Display Panel Splicing via Color Coordinate Angle Matching

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Solution Overview

Problem

Multi-screen displays face challenges in achieving consistent optical quality due to color differences between individual screens, which affects display quality and increases transmittance loss during splicing.

Innovation Solution

A manufacturing method that involves measuring and sorting the color coordinates of panels to ensure they satisfy a specific relationship (θ=arctan(Δx/Δy), where 46 degrees≤θ≤126 degrees, allowing for precise matching and splicing of panels to reduce color discrepancies and transmittance loss.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If multiple screens are spliced to form a multi-screen display, then the display area is increased, but the color consistency between screens deteriorates

Engineering Contradiction:
Improvedisplay areaVSAvoidcolor consistency
Core Design Contradiction:
Area of stationary objectVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by pre-measuring and recording the color coordinates of each panel before splicing. The color coordinates are measured in advance and stored for later reference during the splicing process, allowing panels to be matched based on their color characteristics before actual assembly occurs.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes parameter changes by calculating the angle θ based on the differences in color coordinates (Δx and Δy) between adjacent panels. By establishing a specific angle range (46°≤θ≤126°), the method transforms the color matching problem into a geometric parameter optimization, enabling systematic selection of panels with compatible color characteristics.

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If panels with different color coordinates are spliced, then manufacturing flexibility is improved, but optical quality consistency deteriorates

Engineering Contradiction:
Improvemanufacturing flexibilityVSAvoidoptical quality consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent transforms the color matching criterion into a specific geometric parameter - the angle θ formed by the color coordinate differences. This parameter transformation allows for standardized selection of panels while maintaining manufacturing flexibility, as long as the angle criterion is satisfied.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent applies local quality by allowing different panels to have different color coordinates rather than requiring all panels to have identical specifications. Each panel can maintain its own color characteristics while still achieving overall consistency through the angle-based matching criterion.

Inventive Principle:
Principle #3Local quality

3Productivity

If arbitrary panels are spliced together, then assembly speed is increased, but transmittance loss increases

Engineering Contradiction:
Improveassembly speedVSAvoidtransmittance loss
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The patent applies preliminary action by pre-calculating and storing color coordinate data for all panels. During assembly, panels can be quickly matched by comparing their pre-measured color coordinates and calculating the angle θ, significantly reducing the time required for color matching while ensuring optimal transmittance.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20240078951A1Manufacturing method of multi-screen display
Publication Date: 2024.03.07 CARUX TECH PTE LTD
  • US20240078951A1 patent drawing
  • US20240078951A1 patent drawing
  • US20240078951A1 patent drawing

AI summary

A manufacturing method of a multi-screen display is provided. The manufacturing method includes the following steps. A first panel is provided. A second panel is provided. The first panel and the second panel are spliced. The first color coordinate of the first panel includes a first horizontal coordinate and a first vertical coordinate, and the second color coordinate of the second panel includes a second horizontal coordinate and a second vertical coordinate. The difference between the horizontal coordinate and the second horizontal coordinate is Δx, the difference between the first vertical coordinate and the second vertical coordinate is Δy, and Δx and Δy satisfy the following relationship: θ=arctan(Δx/Δy), 46 degrees≤θ≤126 degrees.