H04R2440/05

Display apparatus and signal generation apparatus
11579833 · 2023-02-14 · ·

A display apparatus according to an embodiment of the present disclosure includes: a thin plate-like display cell that displays an image; M exciters that are disposed on a back surface side of the display cell, and vibrate the display cell; and a driving section that drives the display cell and the M exciters.

DISPLAY DEVICE, SOUND-EMITTING CONTROLLING METHOD, AND SOUND-EMITTING CONTROLLING DEVICE

The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.

Display Device And Speaker Device

The present technology relates to a display device and a speaker device capable of outputting sound from the display surface of a non-self-luminous display panel.

Provided is a display device including: a display panel unit that includes a non-self-luminous display cell; a light source unit that irradiates the display panel unit with light from a back surface; and an excitation unit that vibrates a constituent member constituting the display panel unit and outputs sound from a display surface of the display cell. The excitation unit provides excitation to an excitation member having a predetermined shape and a predetermined color to vibrate the constituent member that is fixed to the excitation member by a predetermined fixing method. The present technology can be applied to, for example, a liquid crystal display device.

DISPLAY APPARATUS

A display apparatus is disclosed in the embodiments of the present disclosure. The display apparatus includes a display structure, a sound emitting substrate, and a plurality of electromagnetic exciters; wherein the display structure is configured to receive and display optical signals; the sound emitting substrate is attached to the display structure and is divided into a plurality of regions by a plurality of isolation zones, at least some of the plurality of regions are attached to at least one of the plurality of electromagnetic exciters; and the plurality of electromagnetic exciters are configured to generate bending waves at an area where the plurality of electromagnetic exciters are attached to the sound emitting substrate.

TRANSDUCER, ELECTRONIC DEVICE AND TRANSDUCER ARRAY
20230239615 · 2023-07-27 ·

The present disclosure is related to a transducer. The transducer includes a substrate. A plurality of vibrating membranes, in a configuration of cantilevers, are disposed on a main surface of the substrate. A plurality of piezoelectric elements are stacked on the plurality of vibrating membranes for generating a voltage to excite each vibrating membrane. The cantilevers of the plurality of vibrating membranes extend in a direction from a reference point on the main surface toward the cantilevers, or in a direction from the cantilevers toward the reference point.

DISPLAY APPARATUS

A display apparatus includes a display module including a display panel configured to display an image and a sound generating module on a rear surface of the display panel, the sound generating module includes a vibration generating device, a circuit board on a lower surface of the vibration generating device, a first adhesive member between the circuit board and the vibration generating device, and a second adhesive member between the vibration generating device and the display panel, an elastic modulus of the second adhesive member differing from an elastic modulus of the first adhesive member.

Display apparatus and electromagnetic actuator

Embodiments of the present disclosure provide a display apparatus and an electromagnetic actuator, the display apparatus includes a display structure, a sound-emitting substrate, at least one electromagnetic actuator and a stabilizer; where one side of the sound-emitting substrate is attached to the display structure, and the electromagnetic actuator is fixedly attached to the other side of the sound-emitting substrate through the stabilizer; the electromagnetic actuator includes a bracket and a plurality of flexible support feet extending away from the bracket. The electromagnetic actuator is fixedly arranged on the sound-emitting substrate through the stabilizer, and the bracket receives the electromagnetic actuator, the plurality of flexible support feet can keep the electromagnetic actuator stable during the vibration process of the electromagnetic actuator, which helps avoid position shift of the electromagnetic actuator under long-time working.

Display apparatus

A display apparatus is capable of outputting a stereo sound. The display apparatus includes a display panel configured to display an image; a sound generating device on a rear surface of the display panel; a rear cover on the rear surface of the display panel and configured to support the sound generating device; a partition member between the rear surface of the display panel and the rear cover and configured to divide the display panel into first, second, third, fourth and fifth areas; and first, second, third, fourth, and fifth sound generating devices attached to the rear surface of the display panel and configured to vibrate the display panel. The first, second, third, fourth and fifth sound generating devices are in the first, second, third, fourth and fifth areas, respectively.

DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
20230232154 · 2023-07-20 ·

A display device includes a display panel which displays an image, a cover window which is disposed on a first surface of the display panel, and a first sound generator which is disposed on a second surface opposite the first surface of the display panel and outputs sound by vibrating the display panel. The cover window includes a first lattice pattern area including lattice patterns surrounding the first sound generator in a plan view.

VEHICLE GLAZING WITH AUDIO EXCITER
20230217143 · 2023-07-06 ·

A vehicle glazing includes a glass sheet or a glazed assembly, a part made of plastic material partly covering the glass sheet or the glazed assembly, at least one fixing system for an audio exciter mounted on the glass sheet or on the glazed assembly, including a base and an attachment part, the base of the fixing system being connected to the part made of plastic material, and at least one audio exciter fixed to the attachment part of the fixing system.