Electronic Candle With Hidden Light Element for Soft Illumination

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Solution Overview

Problem

Conventional electronic candles have exposed light strings that compromise aesthetics and provide a relatively small illuminated area, lacking a visually appealing and soft illumination effect.

Innovation Solution

An electronic candle design featuring a light-transmissive candle tube and internal light element configuration, where the light element is hidden when unlit and emits light through the tube to create a hazy, soft illumination zone, enhanced by a flexible light string layout and structural supports to maintain stability and visibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the light string is wound around the outer surface of the candle tube with exposed wires, then the structure is simple and easy to manufacture, but the aesthetic appearance deteriorates and the illuminated area remains small

Engineering Contradiction:
Improveease of manufactureVSAvoidaesthetic appearance
Core Design Contradiction:
Ease of manufactureVSShape

Solution Approach 1:

The light element is nested inside the candle tube structure, specifically disposed on the inner housing which is sleeved within the candle tube. This nesting arrangement hides the light string and its wires from external view, eliminating the aesthetic compromise while maintaining structural simplicity and ease of manufacture.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Device complexity

If the light string is wound around the outer surface of the candle tube, then the structure is simple, but the illuminated area is relatively small and the visual effect is hard rather than soft

Engineering Contradiction:
Improvedevice complexityVSAvoidilluminated area
Core Design Contradiction:
Device complexityVSArea of stationary object

Solution Approach 1:

The candle tube acts as an intermediary medium between the light element and the external environment. The light element disposed on the inner housing emits light that passes through the light-transmissive candle tube, which diffuses and expands the light distribution. This intermediary structure increases the illuminated area and creates a soft, hazy visual effect while keeping the overall device structure simple.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Illumination intensity

If the light element is exposed outside the candle tube, then the light output is direct and bright, but the aesthetic appearance deteriorates and the hazy soft visual effect is lost

Engineering Contradiction:
Improvelight outputVSAvoidaesthetic appearance
Core Design Contradiction:
Illumination intensityVSShape

Solution Approach 1:

The light element is nested inside the candle tube structure, specifically on the inner housing, which is concealed within the light-transmissive candle tube. This nesting arrangement maintains the light output intensity while preventing direct exposure of the light element, thereby preserving aesthetic appearance and creating a diffused, hazy soft visual effect.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The candle tube serves as an intermediary that transmits light from the hidden light element to the external environment. This intermediary structure allows the light to maintain its intensity while being diffused through the tube material, achieving both aesthetic appearance and adequate light output with a soft visual effect.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Enhances aesthetic appeal and increases the illuminated area with a soft, hazy visual effect, simulating a real candle flame while maintaining structural integrity and preventing light element exposure.

Implementation Method 1

the light element emits light that passes through the candle tube

Methodology Applied
Scientific EffectLight emission and transmission: Light

Implementation Method 2

light emitted by the light element can be transmitted and diffused through the candle tube to increase the area of the illumination zone, generating a hazy and soft visual effect

Methodology Applied
Scientific EffectLight diffusion: Diffusion

Data Source

PatentUS20250327552A1Electronic candle
Publication Date: 2025.10.23 DONGGUAN SHUIQUANZI IND CO LTD
  • US20250327552A1 patent drawing
  • US20250327552A1 patent drawing
  • US20250327552A1 patent drawing

AI summary

An electronic candle, including an inner housing, a light element disposed on the inner housing, a candle tube sleeved outside the inner housing and an electronic assembly, the candle tube is light-transmissive and non-transparent, the lighting element emits light that passes through the candle tube; and the electronic assembly includes a printed circuit board assembly (PCBA) and a lamp head, at least a portion of the PCBA is arranged within the inner housing, the PCBA is electrically connected to both the light element and the lamp head, and the lamp head extends through the candle tube.