Display Screen Sounding Structure for Volume Reduction

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Solution Overview

Problem

Conventional OLED display apparatuses rely on external speakers for sound, limiting their fashionability, uniqueness, and application scope due to their bulkiness and lack of integrated sound production capabilities.

Innovation Solution

The display apparatus incorporates a sounding structure with flexible conductive parts and insulators on both sides of the display screen, which deform and vibrate under electric sound signals to produce sound, eliminating the need for external speakers by integrating sound production directly into the display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If external speakers are used for sound production, then sound output is achieved, but the volume and complexity of the display apparatus increases

Engineering Contradiction:
Improvesound production capabilityVSAvoiddisplay apparatus volume
Core Design Contradiction:
PowerVSVolume of stationary object

Solution Approach 1:

The patent merges the sound production function with the display screen by integrating conductive parts directly onto the screen structure. The conductive parts are formed on the display screen itself, eliminating the need for separate external speakers and reducing overall apparatus volume while maintaining sound output capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The display screen is designed to serve multiple functions: visual display and sound production. The conductive parts on the screen enable it to act as both a display surface and a sounding structure, allowing one component to perform multiple functions and thereby reducing the need for additional separate components.

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

2Power

If external speakers are used, then sound output is achieved, but the fashionability and uniqueness of the display apparatus is reduced

Engineering Contradiction:
Improvesound production capabilityVSAvoidfashionability and uniqueness
Core Design Contradiction:
PowerVSAdaptability or versatility

Solution Approach 1:

By combining the sounding structure with the display screen, the patent creates a more integrated and aesthetically pleasing design. The conductive parts are formed on the screen surface, making the sound production capability inherent to the display itself rather than an add-on component, thereby enhancing fashionability and uniqueness.

Inventive Principle:
Principle #5Merging (Combining)

3Volume of stationary object

If a sounding structure is integrated into the display screen, then the volume of the display apparatus is reduced, but the structural complexity increases

Engineering Contradiction:
Improvedisplay apparatus volumeVSAvoidsounding structure complexity
Core Design Contradiction:
Volume of stationary objectVSDevice complexity

Solution Approach 1:

The patent employs flexible conductive parts that can be formed directly on the display screen surface. These thin-film conductive structures allow the sounding function to be integrated without adding significant structural complexity, as they can be deposited or patterned onto the existing screen layers using standard manufacturing techniques.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The patent utilizes changes in electrical parameters (applying voltage to conductive parts) to achieve sound production. By controlling the electrical state of the conductive parts, the display screen can be made to vibrate and produce sound without requiring complex mechanical structures, thereby reducing overall device complexity while maintaining compact size.

Inventive Principle:
Principle #35Parameter changes

4Power

If conductive parts are made flexible with small curvature radius, then sound production efficiency is improved, but manufacturing precision requirements increase

Engineering Contradiction:
Improvesound production efficiencyVSAvoidcurvature radius control
Core Design Contradiction:
PowerVSManufacturing precision

Solution Approach 1:

The patent uses flexible conductive parts with small curvature radii that can be formed on the display screen. These thin-film structures inherently possess flexibility and can be patterned using standard semiconductor manufacturing techniques, achieving the required precision through established processes rather than requiring new manufacturing methods.

Inventive Principle:
Principle #30Flexible shells and thin films

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 the volume of the display apparatus, expands its application field, and enhances its fashionability and user experience by enabling sound production without external speakers, making it more unique and immersive.

Implementation Method 1

a sounding structure is arranged at at least one side of the two opposite surfaces of the display screen, the sounding structure is configured to be deformed to sound under driving of sound signals

Methodology Applied
Scientific EffectElectromagnetic force: Lorentz Force

Implementation Method 2

the first conductive part and the second conductive part are separated from each other, and supported and connected by at least one insulator; at least one of the first conductive part and the second conductive part is a flexible member

Methodology Applied
Scientific EffectMechanical vibration: Vibration

Data Source

PatentUS10896936B2Display apparatus
Publication Date: 2021.01.19 HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD
  • US10896936B2 patent drawing
  • US10896936B2 patent drawing
  • US10896936B2 patent drawing

AI summary

A display apparatus is provided. The display apparatus includes a display screen with two opposite surfaces, at least one of the two opposite surfaces is a display surface, a sounding structure is arranged at at least one side of the two opposite surfaces of the display screen, the sounding structure is configured to be deformed to sound under driving of sound signals, and the sound signals are electric signals applied to the sounding structure according to sounds to be made.