Rear Speaker Chamber Design for Slim Display Sound
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Solution Overview
Problem
Existing display devices face challenges in improving sound quality, particularly mid-and high-pitched sound characteristics, and efficiently outputting sound from speakers due to slimming designs.
Innovation Solution
A display device structure incorporating a speaker with a speaker box, a plate covering the speaker unit, a chamber between the speaker unit and the plate, and a cushion occupying a portion of the chamber, designed to enhance sound output and quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If the display device is slimmed down, then the thickness is reduced, but the sound quality deteriorates
Solution Approach 1:
The speaker unit is nested within the frame structure, with the chamber formed between the speaker unit and the plate that is coupled to the frame. This nesting arrangement allows the speaker to be integrated into the slim display device without requiring additional external space, thereby maintaining thinness while preserving sound quality through proper acoustic chamber design.
Solution Approach 2:
Instead of increasing thickness to improve sound quality, the invention utilizes the lateral dimensions by forming a chamber between the speaker unit and the plate coupled to the frame. This dimensional approach allows for adequate acoustic space without compromising the slim profile of the display device in the thickness direction.
2Length of moving object
If the speaker thickness is reduced, then the device becomes thinner, but the mid-and high-pitched sound characteristics deteriorate
Solution Approach 1:
The invention compensates for reduced speaker thickness by utilizing lateral space to form a chamber between the speaker unit and the plate. This chamber provides the necessary acoustic volume for mid-and high-pitched sound characteristics without increasing the speaker's thickness, thereby maintaining the slim profile while improving sound quality.
Solution Approach 2:
The speaker structure is segmented into distinct components: the speaker unit, the plate coupled to the frame, and the chamber formed between them. This segmentation allows for optimized acoustic design within each component while maintaining overall thinness, particularly benefiting mid-and high-pitched sound characteristics through proper chamber design.
3Ease of manufacture
If the speaker structure is simplified, then the manufacturing becomes easier, but the sound output efficiency deteriorates
Solution Approach 1:
The plate serves multiple functions: it couples the speaker unit to the frame, forms the chamber boundary, and potentially acts as a sound output surface. This multi-functionality simplifies the overall structure by eliminating the need for separate components, while still maintaining sound output efficiency through proper acoustic chamber formation.
Solution Approach 2:
The invention merges the speaker unit, frame, and plate into an integrated structure where the chamber is formed between these components. This merging simplifies manufacturing by reducing the number of separate parts and assembly steps, while the chamber design ensures efficient sound output without requiring complex internal speaker structures.
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 proposed structure improves sound quality and ensures clear sound output by optimizing the speaker's design, addressing the challenges of slimming display devices.
Implementation Method 1
a cushion which occupies a portion of the chamber
Data Source
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AI summary
Disclosed is a display device. The display device of the present disclosure includes: a display panel; a frame located in a rear of the display panel; and a speaker (100) coupled to a rear of the frame, wherein the speaker (100) includes: a speaker box (101); a speaker unit (102) coupled to the speaker box (101); a plate (104) which covers the speaker unit (102) and which is coupled to the speaker box (101); a chamber (101P) which is formed between the speaker unit (102) and the plate (104), and which has an opening (101H) in one direction; and a cushion (103) which occupies a portion of the chamber (101P).