Micro-Image Display Layout With Concave Reflector Distortion Control

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Solution Overview

Problem

Conventional portable terminals face challenges in displaying and magnifying multiple micro-images without distortion, as smaller display panels require heavy optical devices and users cannot select and magnify images simultaneously due to pre-stored motion data and image distortion issues.

Innovation Solution

A display device with a concave reflector, multiple display panels, and a corner-image interrupter that allows for the selection and magnification of multiple micro-images, using a control unit and slope-measurement module to compensate for distortion by adjusting the concave reflector's curvature and interrupting distorted image portions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a concave mirror is used to magnify images from a micro-display panel, then image magnification is achieved, but image distortion occurs at the corners

Engineering Contradiction:
Improveimage magnificationVSAvoidimage distortion
Core Design Contradiction:
Measurement precisionVSManufacturing precision

Solution Approach 1:

The invention divides the display system into multiple independent micro-display panels (e.g., four panels arranged in a 2x2 grid), each handling a specific region of the final magnified image. This segmentation allows each panel to be magnified separately by the concave mirror, reducing corner distortion effects and enabling independent optimization of each display region.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A beam splitter is introduced as an intermediary optical element between the micro-display panels and the concave mirror. The beam splitter combines the light from multiple micro-display panels and directs it to the concave mirror for magnification, enabling the integration of multiple image sources while maintaining image quality and reducing distortion through the coordinated optical path.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If multiple micro-images are displayed on multiple display panels, then image selection capability is improved, but device complexity increases

Engineering Contradiction:
Improveimage selection capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The concave mirror serves multiple functions simultaneously: it magnifies images from all micro-display panels, acts as a beam combiner, and enables the system to display multiple images at once. This multi-functionality reduces the need for additional separate components, thereby managing device complexity while achieving versatile image selection and display capabilities.

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

Solution Approach 2:

The invention transitions from displaying a single image in one dimension to displaying multiple images simultaneously by utilizing multiple micro-display panels arranged in a spatial configuration. The beam splitter and concave mirror system integrates these multi-dimensional image sources into a unified magnified display, enabling users to select and view multiple images without proportionally increasing device complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Area of moving object

If display panels are made smaller to reduce terminal size, then portability is improved, but the required optical devices become heavier

Engineering Contradiction:
Improvedisplay panel sizeVSAvoidoptical device weight
Core Design Contradiction:
Area of moving objectVSWeight of moving object

Solution Approach 1:

The invention merges multiple small micro-display panels into a unified magnified image through the beam splitter and concave mirror system. By combining the optical paths and images from multiple small panels, the system achieves the display area of a larger panel while using smaller, lighter individual panels, thereby reducing the overall weight of the display system while maintaining portability.

Inventive Principle:
Principle #5Merging (Combining)

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

Enables the simultaneous display and magnification of multiple micro-images with reduced distortion, allowing users to select and view images based on the terminal's slope, enhancing user interface functionality and image clarity.

Implementation Method 1

a concave reflector having a radius of curvature and a focal distance; multiple display panels, arranged within the focal distance, displaying the multiple micro-images toward the concave reflector

Methodology Applied
Scientific EffectReflection: Reflection

Data Source

PatentUS7466895B2Method of displaying, selecting and magnifying multiple micro-images, and display device and portable terminal using the same
Publication Date: 2008.12.16 SAMSUNG ELECTRONICS CO LTD
  • US7466895B2 patent drawing
  • US7466895B2 patent drawing
  • US7466895B2 patent drawing

AI summary

A method of displaying, selecting and magnifying multiple micro-images, and a display device and portable terminal using the method. A display device for displaying, selecting and magnifying multiple micro-images, includes: a concave reflector having a radius of curvature and a focal distance; multiple display panels, arranged within the focal distance, displaying the multiple micro-images toward the concave reflector; and a corner-image interrupter, interposed between the multiple display panels and the concave reflector, interrupting a distorted portion of a magnified image generated when one of the micro-images displayed on a display panel is reflected by corners of the concave reflector.