Vibrating Display Panel Layout for Forward Sound and PCB Protection
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Solution Overview
Problem
Display apparatuses face challenges in directing sound forward, leading to degraded sound quality due to interference from walls and floors, and the driving circuit is prone to damage from vibrations, affecting the immersion experience and sound performance.
Innovation Solution
A display apparatus design featuring a flexible circuit film and printed circuit board connected to a vibration apparatus, with a supporting member that reduces contact between the driving circuit and the display panel, allowing sound to be directed forward and minimizing vibration-induced damage, while enhancing sound quality and immersion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the driving circuit is directly connected to the display panel, then electrical connection is ensured, but the driving circuit is damaged by vibrations from the vibration apparatus
Solution Approach 1:
The support structure is segmented into multiple levels: the first support member supports the display panel, the second support member supports the driving circuit, and the third support member provides additional support. This segmentation allows the driving circuit to be isolated from vibration sources while maintaining electrical connection through the flexible circuit film.
Solution Approach 2:
The flexible circuit film acts as an intermediary between the display panel and the driving circuit. It provides electrical connection while being flexible enough to accommodate vibrations without transmitting excessive stress to the driving circuit, thus protecting it from vibration damage.
2Ease of manufacture
If sound is output downward or rearward, then speaker placement is simple, but sound quality is degraded due to interference from walls and floors
Solution Approach 1:
The sound output direction is changed from the traditional downward or rearward direction to an upward direction toward the front surface of the display panel. This dimensional change in sound propagation direction eliminates interference from walls and floors, improving sound quality while maintaining simple speaker placement integration.
3Productivity
If the vibration apparatus is placed close to the display panel, then vibration transfer efficiency is improved, but the driving circuit is more susceptible to vibration damage
Solution Approach 1:
The support structure provides different levels of support at different locations: the first support member supports the display panel directly, while the second and third support members provide graduated support for the driving circuit. This local differentiation allows optimal vibration transfer to the display panel while protecting the driving circuit through progressive support that reduces vibration transmission.
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 effectively directs sound forward, improving sound quality and immersion, and reduces damage to the driving circuit, allowing for more efficient vibration transfer and enhanced sound performance.
Implementation Method 1
a vibration apparatus supported by the first supporting member, the vibration apparatus including a first vibration apparatus disposed at the rear surface of the display panel
Data Source
AI summary
A display apparatus and a vehicle including the same are provided. A display apparatus includes: a display panel configured to display an image, a driving circuit including: a flexible circuit film connected to the display panel, and a printed circuit board connected to the flexible circuit film, a first supporting member at a rear surface of the display panel, the first supporting member having a hole therein, and a vibration apparatus supported by the first supporting member, the vibration apparatus including a first vibration apparatus disposed at the rear surface of the display panel, wherein the flexible circuit film extends through the hole, and wherein the printed circuit board is disposed at a rear surface of the first supporting member.