Calibrator with Vacuum Absorption Plate for Tilted Screens

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Solution Overview

Problem

Conventional calibrators for display devices are cumbersome and inconvenient to use, especially in large video walls, as they require long cables and are difficult to position accurately, particularly on tilted screens.

Innovation Solution

A calibrator with a transformable absorption plate that attaches to the screen via a vacuum absorption method, featuring a rotary mechanism for precise positioning and wireless data transmission, allowing for easy attachment and detachment, and enabling calibration on tilted surfaces without the need for cables.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a conventional calibrator with a cable is used on a large video wall, then the calibrator can be connected to the display device, but the cable becomes long and it becomes inconvenient to move the position of the calibrator

Engineering Contradiction:
Improveease of movementVSAvoidcable length
Core Design Contradiction:
Ease of operationVSLength of moving object

Solution Approach 1:

The patent removes the cable from the calibrator system entirely, extracting the data transmission function and replacing it with wireless communication. This eliminates the constraint of cable length and allows the calibrator to be freely positioned on the display device without being tethered by a physical connection.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the mechanical cable connection with a wireless communication system. The calibrator uses wireless data transmission to communicate with the display device, substituting the physical mechanical connection with an electromagnetic field-based communication method, thereby eliminating the cable and its associated movement constraints.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If a conventional calibrator is attached to a tilted screen, then the calibrator can be positioned on the screen, but it becomes difficult to position accurately and maintain stable contact

Engineering Contradiction:
Improvepositioning accuracyVSAvoidease of attachment
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent employs a suction cup-based attachment mechanism that dynamically adapts to the screen surface. The suction cup can conform to tilted surfaces and maintain stable contact through vacuum adhesion, allowing the calibrator to be easily attached and positioned accurately on screens with various inclinations without requiring precise manual alignment.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The suction cup attachment mechanism enables the calibrator to self-adjust and self-stabilize on the screen surface. Once attached, the vacuum-based connection automatically maintains stable contact and positioning, reducing the need for continuous manual adjustment and ensuring accurate measurement orientation regardless of screen tilt angle.

Inventive Principle:
Principle #25Self-service

3Productivity

If a calibrator is frequently attached and detached from the screen, then the calibrator can be repositioned, but the attachment structure may become loose or damaged

Engineering Contradiction:
Improveattachment speedVSAvoidattachment stability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The suction cup attachment mechanism provides dynamic adaptability for frequent attachment and detachment operations. The vacuum-based connection can be quickly established and released without mechanical wear, maintaining reliable attachment stability even after multiple cycles of attachment and detachment, unlike rigid mechanical mounting structures that may become loose or damaged.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The calibrator can be precisely fixed on any screen, including tilted ones, enhancing efficiency and portability by eliminating the need for cables and allowing for precise color calibration across multiple display devices.

Implementation Method 1

an absorption plate formed of a transformable material, comprising a bottom surface configured to be attached to the screen of the display device in a vacuum absorption method

Methodology Applied
Scientific EffectVacuum absorption: Absorption (physical)

Data Source

PatentEP2989792B1calibrator
Publication Date: 2018.04.11 LG ELECTRONICS INC
  • EP2989792B1 patent drawingFigure 1~2
  • EP2989792B1 patent drawingFigure 3
  • EP2989792B1 patent drawingFigure 4~5(b)

AI summary

There is disclosed a calibrator configured to calibrate a color of a screen of a display device includes an absorption plate formed of a transformable material, comprising a bottom surface attached to the screen of the display device in a vacuum absorption method; a control portion configured to leave space a first portion of the absorption plate from the screen of the display device; a fixed portion configured to press a second portion of the absorption plate to the screen of the display closely; a rotary portion configured to rotatably coupled to the fixed portion in a horizontal direction and to move the control portion in a vertical direction of the display device, when it is rotated; and a circuit unit mounted in the fixed portion to calibrate the color of the display device, such that the calibrator may be fixed in a precise position of the screen and that the screen calibration can be performed precisely and that the calibrator can be attached even to a tilted screen and used widely.