A speaker device includes a frame, a vibration unit and a magnetic circuit unit. The vibration unit includes a diaphragm fixed to the frame and a voice coil. The magnetic circuit unit includes a yoke and a magnet assembly that is accommodated and fixed in the yoke and is spaced apart from the yoke to form a magnetic gap. The voice coil is inserted in the magnetic gap. The yoke includes a yoke bottom wall, a yoke side wall and flanges. The flange includes a first section and a second section extending from the first section. A side of the first section close to the second section and the second section enclose a fixing step. The second section is fixed to the frame. The speaker device of the present disclosure has better reliability.

A planar diaphragm speaker includes an enclosure, a vibration diaphragm assembly, and two magnet assemblies fixed in the enclosure. The vibration diaphragm assembly is arranged between the two magnet assemblies and spaced from the two magnet assemblies. The magnet assemblies each include a ring-shaped outer magnet and an inner magnet with a magnetic gap formed therebetween. The vibration diaphragm assembly includes a vibration diaphragm and a voice coil. The vibration diaphragm is formed with a trough. An effective-width portion of the voice coil spans over the magnetic gap. The planar diaphragm speaker with a simple structure can effectively increase the thickness of the voice coil without increasing a vibration compartment height, and provide, through collaboration with a dual-side magnetic circuit structure, a 360° dead zone free magnetic field to enhance the sensitivity and low frequency performance of the planar diaphragm speaker, exhibiting excellent utilization.

A loudspeaker (10) comprising a magnetic circuit (12), and a mobile assembly (14) along an axis (D) comprising: a rigid membrane (42) defining an external diameter (D3), a first reel holder (44) and a second reel holder (46), at least a first coil (22) and a second coil (24) located in a first air gap (18) and a second air gap (20) of the magnetic circuit respectively.
The first coil holder and the second coil holder form a first junction (54) and a second junction (56) with the membrane, concentric and defining a first diameter (D1) and a second diameter (D2) greater than the first.
The second diameter is: less than 97% of the external diameter, or greater than or equal to 97% of the external diameter, the first diameter being greater than 40% of the external diameter.

The present disclosure discloses a sound generating device, which comprises: a magnetic conductive yoke; a housing extending along an edge of the magnetic conductive yoke and having an annular shape, wherein a leakage opening is formed in a gap between the housing and the magnetic conductive yoke; and a metal mesh covering the leakage opening, wherein a portion of the metal mesh corresponding to the leakage opening is provided with a plurality of air holes. The sound generating device of the present disclosure can reduce the defective rate of products.

A display device includes a display panel which includes a first substrate, a second substrate, and a light emitting element layer disposed between the first substrate and the second substrate and outputting light toward the second substrate, a first sound generator which is disposed on the first substrate and outputs a first sound by vibrating the display panel, a source circuit board which is disposed on the first substrate, and a first sound circuit board which connects the first sound generator and the source circuit board.

Provided is a speaker box, including a speaker, comprises a frame, a first vibration system and a magnetic circuit system fixed on the frame; the first vibration system providing a diaphragm vibrate along a first direction; a housing with an accommodation space, includes: a bottom wall facing the diaphragm, and a sidewall bending and extending from an outer edge of the bottom wall; wherein the speaker received in the accommodation space, and the frame of the speaker comprises a split body of a first frame and a second frame, the second frame extends and fixed to the sidewall.

The present disclosure relates to a loudspeaker. The loudspeaker may include a loudspeaker mechanism, a fixing mechanism, and a connector. The loudspeaker mechanism may be configured to generate a vibration signal and transmit the vibration signal to the human body. The fixing mechanism may be configured to support and maintain the position of the loudspeaker mechanism. The connector may be configured to connect the loudspeaker mechanism with the fixing mechanism. The loudspeaker mechanism may at least include a first fixed position and a second fixed position. The first fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a non-working state. The second fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a working state. The connector may be configured to switch the loudspeaker mechanism between the first fixed position and the second fixed position.

A speaker including a frame;a magnetic circuit system fixed to the frame, comprises a plurality of magnetic circuit devices connected to each with a magnetic gap;a vibration system driven by the magnetic to vibrator, comprises a diaphragm fixed to the frame and a plurality of voice coil assembly inserted into the magnetic gap drive the diaphragm vibrate jointly. the speaker can drive the diaphragm to vibrate and produce sound with a greater driving force, and the magnetic circuit system has a higher magnetic field. The efficiency makes the speaker have a better sound effect.

The present disclosure provides speaker device. The speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm, voice coil inserted in magnetic gap to drive diaphragm to vibrate and holder connected to diaphragm; side of frame close to diaphragm is at least partially embedded into diaphragm; first surface is formed on side of frame away from diaphragm; second surface is formed on side of diaphragm close to magnetic circuit unit. The present disclosure solves problem of glue overflow of holder by means of reserved space between frame and diaphragm. In addition, by using first surface of holder as supporting surface, present disclosure improves dimensional consistency of gluing with flexible printed circuit (FPC), etc., thereby improving product yield.

An integrated voice coil and cone assembly includes a cone assembly having a top diaphragm skin and a bottom diaphragm skin with a space between the top diaphragm skin and bottom diaphragm skin. The integrated voice coil and cone assembly also includes a voice coil configured to engage the cone assembly along a perimeter edge thereof and an adhesive material placed between the top diaphragm skin and bottom diaphragm skin such that the adhesive material fills all of the space between the top and bottom diaphragm skins. The adhesive material also bonds the top diaphragm skin, bottom diaphragm skin, and voice coil into a single, integrated unit.