Vehicle Door Garnish with Translucent Substrate and Shielding Coating

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Solution Overview

Problem

The existing door garnish technologies for vehicles are costly and inflexible, requiring separate molds for different button configurations and physical buttons, which are not suitable for the latest technology trends such as electric vehicles, and lack the aesthetic appeal of high-tech images.

Innovation Solution

A single door garnish mold integrating a touch button and hidden lighting effect, using a translucent substrate with a shielding coating layer and an IMS module with a light source behind the substrate to display symbols through holes, allowing for both IMS and non-IMS specifications with enhanced merchantability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If separate molds are used for different button configurations and physical buttons, then manufacturing flexibility and adaptability are improved, but manufacturing cost and device complexity increase

Engineering Contradiction:
Improveadaptability to different button configurationsVSAvoidnumber of molds required
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The door garnish is designed with a universal structure that can accommodate both physical buttons and touch buttons with lighting effects using a single mold. The body part includes a transparent substrate with a shielding coating layer that can be configured in different patterns (holes, lines, or solid areas) to display various button shapes and symbols, eliminating the need for separate molds for different button types.

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

Solution Approach 2:

The patent combines multiple functions into a single door garnish structure: the transparent substrate serves as both the display medium for button shapes and the lighting effect medium, while the shielding coating layer integrates both the button shape definition and the lighting effect control in one component, reducing the overall number of parts and molds required.

Inventive Principle:
Principle #5Merging (Combining)

2Ease of manufacture

If physical buttons are used, then manufacturing simplicity is improved, but aesthetic appeal and high-tech image deteriorate

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidaesthetic appeal and high-tech image
Core Design Contradiction:
Ease of manufactureVSShape

Solution Approach 1:

The patent replaces traditional mechanical physical buttons with a touch-sensitive interface combined with lighting effects. The touch button structure uses electrical fields and light emission instead of mechanical movement, providing a more modern and aesthetically pleasing appearance while maintaining ease of manufacture through the integrated mold design.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent utilizes lighting effects that can change color or intensity to indicate different button states, functions, or vehicle conditions. The transparent substrate with shielding coating layer allows light to pass through in specific patterns, creating dynamic visual effects that enhance the high-tech image while being manufactured as a single integrated component.

Inventive Principle:
Principle #32Color changes

3Shape

If touch buttons with lighting effects are implemented, then aesthetic appeal and high-tech image are improved, but manufacturing cost and device complexity increase

Engineering Contradiction:
Improveaesthetic appeal and high-tech imageVSAvoidstructure complexity
Core Design Contradiction:
ShapeVSDevice complexity

Solution Approach 1:

The patent merges the button shape definition and lighting effect control into a single shielding coating layer applied on the transparent substrate. This integrated approach eliminates the need for separate components for button shapes and lighting structures, reducing overall device complexity while maintaining the aesthetic appeal and high-tech image of touch buttons with lighting effects.

Inventive Principle:
Principle #5Merging (Combining)

4Manufacturing precision

If multiple molds are used for different specifications, then manufacturing precision for each button type is improved, but productivity and manufacturing cost deteriorate

Engineering Contradiction:
Improveprecision for each button configurationVSAvoidmanufacturing efficiency
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

The door garnish is designed as a universal mold that can produce different button configurations (physical buttons, touch buttons, various shapes and symbols) through a single manufacturing process. The shielding coating layer can be patterned in different ways (holes, lines, solid areas) within the same mold, allowing high manufacturing precision for each configuration type while significantly improving productivity by eliminating the need for multiple specialized molds.

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

This solution reduces manufacturing costs by eliminating the need for multiple molds and provides a high-tech aesthetic appeal through touch buttons and lighting effects, enhancing the marketability of vehicle door garnishes.

Implementation Method 1

the light emitted from the light source passes through the holes and transmits the transparent substrate so that a symbol of a shape corresponding to the one or more holes is displayed outside

Methodology Applied
Scientific EffectLight transmission: Light

Implementation Method 2

a white painting layer provided between the transparent substrate and the shielding coating layer, and containing an inorganic pigment to reflect the light emitted from the light source

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS10933773B2Door garnish for vehicle
Publication Date: 2021.03.02 HYUNDAI MOTOR CO LTD
  • US10933773B2 patent drawing
  • US10933773B2 patent drawing
  • US10933773B2 patent drawing

AI summary

A door garnish for a vehicle includes a body part and an IMS module provided with a light source behind the body part including a transparent substrate so that light of the light source transmits the body part to be emitted to the outside, thereby displaying a certain shape of a button outside.