Hollow Lamp Fixture with Reflective Surfaces for Aesthetic Light Control

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Solution Overview

Problem

Traditional vehicle lamps lack aesthetic customization and require multiple LEDs to achieve the necessary irradiation range, leading to high costs and uniform appearances.

Innovation Solution

A lamp fixture with a hollow shape, such as a pyramid or cone, featuring a light source mount, reflecting inner surfaces, and design elements like slits, transparent elements, or three-dimensional objects that create three-dimensional shapes and patterns, allowing for ambient light utilization and reduced LED usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If multiple LEDs are used to provide necessary irradiation range, then the irradiation angle range is improved, but the cost increases

Engineering Contradiction:
Improveirradiation angle rangeVSAvoidnumber of LEDs
Core Design Contradiction:
Illumination intensityVSQuantity of substance

Solution Approach 1:

The lamp fixture is divided into multiple reflective surfaces (first, second, third reflective surfaces) that segment the light distribution task. Each surface directs light to specific zones, collectively achieving wide irradiation coverage without requiring multiple LED light sources.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Reflective surfaces are introduced as intermediary elements between the single LED light source and the target area. These surfaces redirect and distribute light to achieve the desired wide irradiation angle range that would otherwise require multiple LEDs.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If traditional vehicle lamp designs are used, then manufacturing simplicity is maintained, but aesthetic customization is limited

Engineering Contradiction:
Improveaesthetic customizationVSAvoidfixture structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Different portions of the fixture are assigned different qualities and functions: the hollow body provides structural form, reflective surfaces optimize light distribution, and design elements (slits, transparent elements, three-dimensional objects) provide aesthetic customization. This allows aesthetic versatility without compromising manufacturing feasibility.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The fixture utilizes three-dimensional space effectively with its hollow pyramidal or conical structure. Design elements are positioned on or within the sides, adding visual depth and complexity without significantly increasing manufacturing difficulty.

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

3Adaptability or versatility

If uniform lamp appearances are used across all vehicles, then manufacturing cost is reduced, but individual vehicle owner preferences are not accommodated

Engineering Contradiction:
Improvedesign varietyVSAvoidmanufacturing standardization
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The fixture design serves multiple functions: the hollow structure provides both structural support and aesthetic form, reflective surfaces provide light distribution while creating visual patterns, and design elements offer customization options. This multi-functionality allows design variety while maintaining manufacturing efficiency.

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

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 solution provides excellent aesthetics, reduces the number of light sources needed, and lowers costs while creating a sense of scattered light and depth, enhancing design value and allowing for various designs through modifications.

Implementation Method 1

reflecting inner surfaces on sides of the shape

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS7871185B2Lamp fixture
Publication Date: 2011.01.18 HYUNDAI MOTOR CO LTD
  • US7871185B2 patent drawing
  • US7871185B2 patent drawing
  • US7871185B2 patent drawing

AI summary

A lamp fixture has a hollow shape, such as a pyramid or a cone. The fixture includes a light source mount at a vertex of the shape, configured for light from a light source to enter the shape therethrough; reflecting inner surfaces on sides of the shape; and a design element on or in at least one of the sides. The design element may be a slit, a hole, a transparent element, a color pattern, a three-dimensional object, a prominence, an uneven surface, or a combination thereof.