HMD Divider Emissive Light Matching Binocular Rivalry

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Solution Overview

Problem

Head-mounted display devices (HMDs) in Virtual Reality (VR) and Augmented Reality (AR) systems face challenges in providing a seamless visual experience due to structural components like dividers between left and right eye displays, leading to binocular rivalry and distractions from the 'luning' effect, where the brain alternates attention between distinct images.

Innovation Solution

The implementation of a divider that emits light with chrominance and luminance matching the adjacent display sections, either through emissive, reflective, or transmissive means, to create visual continuity and reduce binocular rivalry by mimicking the display's luminance and chrominance levels, thereby avoiding the distraction of a solid black divider.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If a solid black divider is used between left and right eye displays, then the structural separation is achieved, but binocular rivalry and visual distractions occur due to the visible divider edges

Engineering Contradiction:
Improvedivider structureVSAvoidbinocular rivalry
Core Design Contradiction:
ShapeVSObject-affected harmful factors

Solution Approach 1:

The divider surface changes its optical properties to match the luminance and chrominance of the adjacent display sections. By dynamically adjusting the divider's color and brightness characteristics, it becomes visually indistinguishable from the display content, eliminating the distracting black edges that cause binocular rivalry while maintaining the structural separation between left and right eye displays.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The divider's luminance and chrominance parameters are dynamically adjusted to match those of the adjacent display sections. This parameter matching allows the divider to blend seamlessly with the display content, transforming it from a visible structural element into an imperceptible boundary that does not interfere with the binocular visual experience.

Inventive Principle:
Principle #35Parameter changes

2Stability of the object's composition

If the divider emits light matching the display sections, then visual continuity is improved, but device complexity increases

Engineering Contradiction:
Improvevisual continuityVSAvoiddivider structure
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The divider serves multiple functions: it provides structural separation between display sections, acts as a light-emitting element to create visual continuity, and functions as a chrominance and luminance matching surface. By integrating these multiple functions into a single component, the design achieves visual continuity without proportionally increasing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The divider acts as an intermediary element between the left and right eye displays, mediating the visual transition between them. By emitting light that matches the adjacent display sections, it creates a seamless visual bridge that maintains continuity while allowing the underlying structural separation to remain intact.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Object-affected harmful factors

If the divider matches luminance and chrominance of adjacent displays, then binocular rivalry is reduced, but manufacturing precision requirements increase

Engineering Contradiction:
Improvebinocular rivalryVSAvoidluminance and chrominance matching
Core Design Contradiction:
Object-affected harmful factorsVSManufacturing precision

Solution Approach 1:

The system employs feedback mechanisms to dynamically adjust the divider's luminance and chrominance output based on the actual characteristics of the adjacent display sections. This feedback control allows the divider to automatically match the display parameters, reducing the need for extremely tight manufacturing tolerances while still achieving effective elimination of binocular rivalry.

Inventive Principle:
Principle #23Feedback

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

This approach enhances the immersive experience by minimizing the visibility of the divider's edges, reducing binocular rivalry, and maintaining visual continuity, thus improving the overall user experience in VR and AR environments.

Implementation Method 1

The implementation of a divider that emits light with chrominance and luminance matching the adjacent display sections

Methodology Applied
Scientific EffectLight emission: Light Emitting Diode

Implementation Method 2

either through emissive, reflective, or transmissive means

Methodology Applied
Scientific EffectReflection: Reflection

Implementation Method 3

either through emissive, reflective, or transmissive means

Methodology Applied
Scientific EffectRefraction: Refraction

Data Source

PatentUS10261319B2Display of binocular overlapping images in a head mounted display
Publication Date: 2019.04.16 GOOGLE LLC
  • US10261319B2 patent drawing
  • US10261319B2 patent drawing
  • US10261319B2 patent drawing

AI summary

A head mounted display (HMD) device may include a housing coupled to a frame, and a display device disposed in the housing. A first lens may be disposed along a first optical axis in the housing, and a second lens may be disposed along a second optical axis in the housing. A divider may be positioned between the first lens and the second lens, with a front end portion of the divider positioned adjacent to the display device. The divider may include display capability so that images displayed on the display device may extend onto the divider. The divider may emit diffused light having chrominance and/or luminance levels corresponding to images displayed on the display device. The divider may reflect diffused light from images displayed on the display device. The divider may transmit diffused light from images displayed on the display device.