Dual-Refresh Pixel Display for Invisible Harmonic Brain Stimulation

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Solution Overview

Problem

Existing digital display technologies do not effectively utilize dual refresh frequencies to induce invisible visual simulations for therapeutic purposes, such as preventing or treating Alzheimer's disease or improving memory recall.

Innovation Solution

A digital display apparatus with a controller that operates two groups of pixels at different flicker-free refresh frequencies (F1 and F2), inducing an invisible visual simulation at a harmonic frequency (HF) endogenously in the brain by carefully selecting F1 and F2, without directly emitting HF.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single refresh frequency is used for all pixels, then the display is simple to control, but it cannot induce therapeutic visual simulations in the brain

Engineering Contradiction:
Improvetherapeutic capabilityVSAvoidcontrol complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The pixel array is divided into multiple groups (first group and second group of pixels), with each group operating at different refresh frequencies (F1 and F2). This segmentation enables the display to induce therapeutic visual simulations while maintaining independent control of each group through the controller.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If dual refresh frequencies are used to induce harmonic frequencies, then therapeutic effects are achieved, but the risk of perceivable flicker increases

Engineering Contradiction:
Improvetherapeutic capabilityVSAvoidflicker perception
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The refresh frequencies F1 and F2 are carefully selected and adjusted within specific ranges to ensure that their difference produces the desired harmonic frequency (20-45 Hz) while keeping the individual frequencies high enough (both ≥60 Hz) to prevent perceivable flicker. This parameter optimization resolves the contradiction between therapeutic effectiveness and flicker avoidance.

Inventive Principle:
Principle #35Parameter changes

3Object-affected harmful factors

If high refresh frequencies are used for both pixel groups, then flicker-free display is achieved, but energy consumption increases

Engineering Contradiction:
Improveflicker perceptionVSAvoidenergy consumption
Core Design Contradiction:
Object-affected harmful factorsVSUse of energy by moving object

Solution Approach 1:

While both refresh frequencies are maintained at or above 60 Hz to ensure flicker-free operation, the specific values of F1 and F2 are optimized to be the minimum necessary to achieve the therapeutic harmonic frequency difference. This minimizes energy consumption while maintaining flicker-free display and therapeutic effectiveness.

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

The apparatus effectively generates therapeutic visual simulations by endogenously inducing harmonic frequencies suitable for treating Alzheimer's disease or enhancing memory recall, without perceivable flicker or direct emission of HF.

Implementation Method 1

F1 is flicker-free for F1≥60 Hz, and F2 is flicker-free for F2>F1≥60 Hz

Methodology Applied
Scientific EffectFlicker fusion threshold:

Implementation Method 2

an invisible visual simulation at a harmonic frequency (HF) equal to |2F1−F2| is induced endogenously in a brain of the subject

Methodology Applied
Scientific EffectEndogenous brain wave induction:

Data Source

PatentUS20260038418A1Digital Display Apparatus With Dual Refresh Frequencies
Publication Date: 2026.02.05 ALEDDRA INC
  • US20260038418A1 patent drawing
  • US20260038418A1 patent drawing

AI summary

A digital display apparatus comprises a controller and a digital pixel panel. The pixels of the digital pixel panel are divided into a first group of pixels and a second group of pixels. The controller is configured to operate the first group of pixels at a first flicker-free refresh frequency F1 and to operate the second group of pixels at a second flicker-free refresh frequency F2>F1. When the graphic content displayed on the digital pixel panel is viewed by a subject, an invisible visual simulation at a harmonic frequency (HF) equal to |2F1−F2| is induced endogenously in a brain of the subject. By properly choosing F1 and F2, and subsequently HF, the digital display apparatus offers the benefits of preventing or improving Alzheimer's disease or memory recall.