OLED Smart Card Biometric Authentication System

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Solution Overview

Problem

Credit cards are vulnerable to data exposure through printed information and magnetic stripes, which can be copied for fraudulent transactions, and face design constraints that limit the integration of electronic security features due to their small form factor.

Innovation Solution

A credit card-sized smart card utilizing OLED technology for secure data storage and display, incorporating biometric sensors and a communication circuit to authenticate users and protect sensitive information, with a power source that includes solar panels and thermoelectric generators to maintain functionality without a large power supply.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If sensitive data is printed on the face of the credit card for easy access, then ease of operation is improved, but security is worsened due to visibility and copying risks

Engineering Contradiction:

Improveaccess to sensitive dataVSAvoiddata exposure and fraud risk

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent extracts sensitive data from visible printed form and stores it electronically in secure memory, eliminating the harm of visibility while preserving accessibility through authorized electronic display

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent uses OLED technology that can change from transparent to opaque state, allowing the display to be invisible when not in use and only reveal sensitive data when activated for legitimate transactions

Inventive Principle:

Principle #32Color changes

2Reliability

If EMV chips are incorporated for enhanced security, then security is improved, but device complexity increases

Engineering Contradiction:

Improvefraud preventionVSAvoidelectronic component integration

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple security functions (EMV chip, OLED display, biometric sensor, power management) into a single integrated credit card device, managing complexity through unified design

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent implements multiple functions within the credit card including payment processing, data display, biometric authentication, and power generation, reducing the need for separate devices

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If electronic features are added to credit cards for secure data storage, then security is improved, but the form factor constraints are worsened due to space requirements

Engineering Contradiction:

Improvesecure data storageVSAvoidcredit card thickness

Core Design Contradiction:

ReliabilityVSVolume of moving object

Solution Approach 1:

The patent nests multiple functional layers (OLED display, biometric sensor, power source, memory) within the thin profile of the credit card, with each component integrated into the existing form factor

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent uses thin-film OLED technology and flexible power sources that can be integrated within the constrained thickness of a credit card while maintaining functionality

Inventive Principle:

Principle #30Flexible shells and thin films

4Adaptability or versatility

If a large power supply is used to support electronic features, then functionality is improved, but the form factor is worsened due to size constraints

Engineering Contradiction:

Improveelectronic feature functionalityVSAvoidpower supply size

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The patent implements self-powered features through integrated solar panels and thermoelectric generators that harvest energy from the environment, eliminating the need for large battery packs

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent changes the power supply approach from large chemical batteries to thin-film solar cells and thermoelectric generators, fundamentally altering the energy source parameters to fit credit card dimensions

Inventive Principle:

Principle #35Parameter changes

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

Enhances security by eliminating visible sensitive data, providing secure financial transactions through biometric authentication, and maintaining functionality within the credit card form factor while minimizing environmental impact.

Implementation Method 1

The array of OLEDs may include a first portion that emits a first color of light in response to a first applied voltage and a second portion that emits a second color of light in response to a second applied voltage

Methodology Applied

Scientific EffectOrganic Light-emitting Diode: Organic Light-emitting Diode

Implementation Method 2

a power source that includes solar panels and thermoelectric generators

Methodology Applied

Scientific EffectSolar Energy: Solar Energy

Data Source

PatentUS10339531B2Organic light emitting diode (“OLED”) security authentication system

Publication Date: 2019.07.02 BANK OF AMERICA CORP

AI summary

Aspects of the invention relate to a smart card that leverages emerging technology hardware to enhance secure release of sensitive data associated with the smart card. The smart card may include an OLED display. The device may include one or more biometric sensors. Embodiments may include pairing a device with a portal used to access sensitive data. When accessing the portal, the user may be required to verify that the device is present before gaining access to the sensitive data.