Stage Lamp Optical System Switching Beam and Pattern Modes

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Solution Overview

Problem

Existing stage lamp optical systems for achieving beam and pattern effects have complex structures and high manufacturing costs, with cumbersome operations for switching between effects.

Innovation Solution

A stage lamp optical system comprising a laser light source, a first light guide component with phosphor, an LED light source, and a second light guide component, where both the LED and second light guide components have openings facing the first light guide component, allowing light to pass through optical lens components for beam or pattern modes, with the laser light exciting phosphor to generate white light, and the LED light passing through the second light guide component for pattern mode, facilitating easy switching between effects.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If switching light guide components on a light transfer axis is used to achieve beam and pattern effects, then the stage lamp can switch between effects, but the structure becomes complicated and manufacturing cost increases

Engineering Contradiction:
Improveswitching between beam and pattern effectsVSAvoidstructure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines the beam generating component and pattern generating component into a single integrated optical system where both components share the same light source and optical path. The beam component and pattern component are merged into one unified structure that can selectively activate either function, thereby reducing overall system complexity while maintaining versatility.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The optical system is designed with multi-functionality where a single light source and optical path serve dual purposes: generating both beam effects and pattern effects. The system can selectively activate either the beam component or pattern component based on operational requirements, making the same hardware structure versatile for multiple functions without requiring separate dedicated systems for each effect type.

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

2Adaptability or versatility

If switching positions of a light source is used to achieve beam and pattern effects, then the stage lamp can switch between effects, but the structure becomes complicated and manufacturing cost increases

Engineering Contradiction:
Improveswitching between beam and pattern effectsVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent merges the beam generating component and pattern generating component into a single integrated optical system where both components share the same light source and optical path. This consolidation reduces the number of separate components that need to be manufactured and assembled, thereby lowering manufacturing costs while maintaining the ability to switch between effects.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The optical system is designed with multi-functionality where a single light source and optical path serve dual purposes: generating both beam effects and pattern effects. This universal design reduces manufacturing complexity and cost compared to having separate dedicated systems for each effect type.

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

3Adaptability or versatility

If switching between beam and pattern effects requires complex structural changes, then effect switching is possible, but operation becomes cumbersome

Engineering Contradiction:
Improveswitching between beam and pattern effectsVSAvoidoperation convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent implements a dynamic switching mechanism that allows rapid transition between beam and pattern effects without requiring physical reconfiguration of the optical system. The switching is achieved through electronic control of the light source activation, enabling fast and convenient effect changes during operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The optical system is designed with multi-functionality where a single light source and optical path serve dual purposes: generating both beam effects and pattern effects. This universal design simplifies operation because the system can switch between effects through simple activation control rather than complex mechanical reconfiguration.

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 system is simple in structure, low in manufacturing cost, and convenient to operate, with improved beam and pattern effects due to the laser light source forming the beam mode and the LED light source forming the pattern mode, maximizing light usage and reducing losses.

Implementation Method 1

a laser light source

Methodology Applied
Scientific EffectLaser: Laser

Implementation Method 2

The first light guide component is provided with phosphor, so that the laser light emitted from the laser light source can excite the phosphor to generate white light

Methodology Applied
Scientific EffectPhosphorescence: Phosphorescence

Implementation Method 3

the light from the laser light source passes through the first light guide component and then sequentially passes through the plurality of optical lens components to form a light output in beam mode

Methodology Applied
Scientific EffectOptical lens refraction: Lens

Implementation Method 4

the light emitted from the LED light source passes through the second light guide component and then sequentially passes through the plurality of optical lens components to form a light output in pattern mode

Methodology Applied
Scientific EffectOptical lens refraction: Lens

Data Source

PatentEP3636989B1Stage lamp optical system with light beam and pattern effects, and light projecting device
Publication Date: 2022.02.23 GUANGZHOU HAOYANG ELECTRONICS CO LTD
  • EP3636989B1 patent drawingFigure 1~3

AI summary

The present invention discloses a stage lamp optical system having beam and pattern effects comprising a laser light source (1), a first light guide component (7), an LED light source (2), a second light guide component (8) and a plurality of optical lens components, which are sequentially arranged along a main optical axis (6), wherein both the LED light source (2) and the second light guide component (8) are provided with an opening (21) at a position directly facing the first light guide component (7); and after the light from the laser light source (1) passes through the first light guide component (7) or after the light from the LED light source (2) passes through the second light guide component (8), the light sequentially passes through the plurality of optical lens components to form a light output in a beam mode or in a pattern mode. According the present invention, the beam effect and the pattern effect can be switched by means of switching the action of the laser light source and the LED light source, so that the stage lamp optical system is simple in structure, low manufacturing cost, and is convenient for the operation when switching the beam effect and the pattern effect.