Provided is a panel vibration type sound-generating display device. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, a sound-generating actuator supported by the cover bottom, the sound-generating actuator configured to vibrate the display panel to generate sound, and a sealing member between an outer peripheral portion of the sound-generating actuator and an outer surface of the cover bottom.

The present embodiments relates to a display panel configured to display images, a plurality of sound generating actuators in a plurality of sound output areas, the sound generating actuators configured to vibrate the display panel to generate sound, and a partition that is between each of the plurality of sound output areas and surrounds at least one of the plurality of sound output areas.

There is disclosed a device and method for fabricating such a device. The device includes cavities formed in a substrate. A laminated membrane is mounted to the substrate and spans the cavities. The laminated membrane includes a layer of a flexible material, typically a polymer, and a layer of a two-dimensional material that is typically graphene.

Disclosed is a display device that includes a display panel, sound generating actuators including a first sound generating actuator in a first area of the display panel and a second sound generating actuator in a second area of the display panel, the first and second sound generating actuators configured to vibrate the display panel to generate sound, and a partition between the first sound generating actuator and the second sound generating actuator.

A loudspeaker diaphragm includes resin and hollow glass member particles contained in the resin. Further, a loudspeaker includes the above-described loudspeaker diaphragm, a magnetic circuit, a frame connected to the magnetic circuit, and a voice coil body having one end connected to the loudspeaker diaphragm and the other end disposed inside a magnetic gap in the magnetic circuit.

A micro-speaker, the manufacturing method thereof, a speaker device and an electronic apparatus are described herein. The micro-speaker comprises a case, wherein the case has an opening; and a piezoelectric layer, wherein one or more electrodes are provided on the piezoelectric layer, and wherein the piezoelectric layer is pre-buckled in its rest position, wherein the piezoelectric layer covers the opening and is bonded onto the case, to form a speaker rear cavity together with the case. The micro-speaker of the present invention has a relatively low speaker profile.

The present disclosure provides a carbon fiber dome. The carbon fiber dome includes a foam material layer; a first carbon fiber layer at an upper surface of the foam material layer and/or a second carbon fiber layer at an lower surface of the foam material layer. The first carbon fiber layer and/or the second carbon fiber layer includes one or more layers of unidirectional carbon fiber prepreg tapes. The present disclosure further provides a manufacturing method for making such a carbon fiber dome described above.

The present disclosure provides a carbon fiber dome. The carbon fiber dome includes at least two carbon fiber prepreg layers. The at least two carbon fiber prepreg layers include carbon fiber prepregs made by at least two weaving methods. In addition, the present disclosure provides a method for manufacturing the carbon fiber dome as described above. The method includes the following steps: using prepreg resin to pre-impregnate carbon fiber materials made by at least two weaving methods; and pre-impregnating the carbon fiber materials made by at least two weaving methods for bonding each other.

The present disclosure relates to a carbon fiber dome including at least two carbon fiber prepreg layers, and the at least two carbon fiber prepreg layers include at least two types of carbon fiber materials. The present disclosure further relates to a method for manufacturing the carbon fiber dome, including: impregnating at least two types of carbon fiber materials with a prepreg resin to form at least two carbon fiber prepreg layers; and laminating the at least two carbon fiber prepreg layers after being impregnated. The carbon fiber prepreg is used to substitute the aluminum foil, thus, the strength is improved, the thickness is reduced and the sounding quality is improved, further, the carbon fiber material prepreg layers tightly adheres to each other to form an integrated structure, so that splitting of layers is avoided, and the dome has better water-proof effect and longer service life.

The present disclosure disclose a diaphragm dome, the diaphragm dome includes a first carbon fiber layer and a second carbon fiber layer which are alternatively arranged by stacking, the first carbon fiber layer and the second carbon fiber layer are respectively a single-layer structure formed by an one-way extended carbon fiber bundle, an extending direction of the carbon fiber bundle of the first carbon fiber layer is perpendicular to an extending direction of the carbon fiber bundle of the second carbon fiber layer, and a thickness difference exists between the first carbon fiber layer and the second carbon fiber layer. In the diaphragm dome provided by the present disclosure, the material has larger specific strength, thus can reduce the thickness of the diaphragm dome, the carbon fiber layers of the diaphragm dome are well adhered, which is not readily layered, and has good water resistance.