Display Panel Support Structure for Forward Sound and Circuit Protection

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Solution Overview

Problem

Display apparatuses suffer from degraded sound quality due to sound interference and reduced immersion experience, with the driving circuit being vulnerable to damage from vibrations.

Innovation Solution

A display apparatus design that outputs sound forwardly, incorporating a front member, supporting member, and vibration generating module to enhance sound quality and protect the driving circuit.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sound is output from a sound device in a display apparatus, then sound can be provided to the viewer, but sound quality is degraded due to interference between sounds reflected from the wall and ground

Engineering Contradiction:

Improvesound qualityVSAvoidsound interference

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

Instead of having the sound device output sound downward or rearward (conventional approach), the patent inverts the sound output direction to forward, toward the viewer. The sound device is configured to output sound in a forward direction, and the reflector redirects sound that would otherwise go rearward or downward, converting harmful reflections into useful forward-directed sound waves that improve sound quality and eliminate interference issues.

Inventive Principle:

Principle #13The other way round (Inversion)

2Reliability

If a vibration generating module is added to enhance sound quality, then sound performance is improved, but the driving circuit becomes vulnerable to damage from vibrations

Engineering Contradiction:

Improvesound performanceVSAvoidvibration damage

Core Design Contradiction:

ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent segments the display apparatus into distinct functional regions: a front region containing the display panel and sound device for sound output, and a rear region containing the driving circuit. The reflector is positioned to redirect sound away from the rear region, and the vibration generating module is configured to vibrate the display panel without transmitting excessive vibrations to the driving circuit, thus protecting sensitive components while maintaining sound performance.

Inventive Principle:

Principle #1Segmentation

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 sound quality and immersion experience by directing sound forward, while minimizing damage to the driving circuit from vibrations.

Implementation Method 1

a vibration generating module supported by the supporting member and configured to vibrate the display panel

Methodology Applied

Scientific EffectVibration: Vibration

Data Source

PatentUS12477282B2Display apparatus and vehicle including the same

Publication Date: 2025.11.18 LG DISPLAY CO LTD

AI summary

A display apparatus includes a display panel configured to display an image, a front member on a front surface of the display panel, a supporting member on a rear surface of the display panel, a supporting frame on a rear surface of the front member, the supporting frame configured to surround a side surface of the supporting member and support the supporting member, and a vibration generating module supported by the supporting member and configured to vibrate the display panel.