Abstract: A display apparatus is provided. The display apparatus includes a display; a main body on which the display is mounted; a cover; a mounting member configured to separably mount the main body to the mounting member; and a guide member disposed at a back surface of the main body, the guide member including a plate member and side-surface members extending from opposite side surfaces of the plate member, wherein each of the side-surface members has an inclined shape.

Abstract: A display apparatus including a display panel configured to display an image in a front direction; a main speaker provided on a rear surface of the display panel; and an auxiliary speaker provided on the rear surface of the display panel, the auxiliary speaker being configured to output a sound in a rear direction opposing the front direction.

Abstract: A rotatable display apparatus includes a display panel including a rectangular shape, a plurality of speakers provided at an edge of the display panel, a rotating device provided on a rear surface of the display panel and configured to rotate the display panel, a panel rotation detector configured to detect a rotation state of the display panel, an audio signal processor configured to transmit a left audio signal, a right audio signal, and a mixed audio signal to the plurality of speakers based on the rotation state of the display panel, and a mixer provided in the audio signal processor and configured to generate the mixed audio signal by mixing the left audio signal and the right audio signal at a predetermined ratio.

Abstract: A sound outputting apparatus is provided. The sound outputting apparatus includes a base; a plurality of speakers configured to output sound; and a cover coupled to the base, the cover including a plurality of guide flow paths that respectively correspond to the plurality of speaker. Each of the plurality of guide flow paths includes an outer hole opened in a direction that extends away from the base from a respective one of the plurality of speakers, and further includes a groove that extends in a direction toward a center of the base from the respective one of the plurality of speakers.

Abstract: A display apparatus is provided. The display apparatus includes a display; a main body on which the display is mounted; a cover; a mounting member configured to separably mount the main body to the mounting member; and a guide member disposed at a back surface of the main body, the guide member including a plate member and side-surface members extending from opposite side surfaces of the plate member, wherein each of the side-surface members has an inclined shape.

Abstract: A display apparatus and a method for controlling the display apparatus are disclosed. The display apparatus includes: a communication interface comprising communication circuitry, a display, a plurality of speakers, and a processor, and the processor is configured to: control the communication interface to receive an acoustic content corresponding to a sound signal of a plurality of channels corresponding to a specified frequency bandwidth, extend a frequency bandwidth of at least one channel of the plurality of channels based on a specified parametric equalizer (PEQ), perform correction of reducing a gain in middle frequency and high frequency bands of at least one channel of the plurality of channels with the extended frequency bandwidth, and output each sound signal of the plurality of corrected channels to the plurality of corresponding speakers so that a sound image of the sound signal is formed in a center area of the display.

Abstract: A display apparatus is provided. The display apparatus includes a display; a main body on which the display is mounted; a cover; a mounting member configured to separably mount the main body to the mounting member; and a guide member disposed at a back surface of the main body, the guide member including a plate member and side-surface members extending from opposite side surfaces of the plate member, wherein each of the side-surface members has an inclined shape.

Abstract: A display apparatus includes a rear cover behind a display panel, a left cover on a left side of the display panel and a right cover on a right side of the display panel and connected to the rear cover, and a left speaker adjacent to the left cover and a right speaker and the right cover where each of the left speaker and the right speaker includes a diaphragm facing the rear cover and spaced apart from the rear cover to form a slot, an enclosure surrounding a speaker driver, a sound discharge port at one end of the slot adjacent to the left cover or the right cover and through which sound reproduced by the diaphragm is discharged, and a side wall between one surface of the enclosure and the rear cover and surrounding a circumference of the diaphragm excluding the sound discharge port.

Abstract: A display apparatus is provided. The display apparatus includes a display; a main body on which the display is mounted; a cover; a mounting member configured to separably mount the main body to the mounting member; and a guide member disposed at a back surface of the main body, the guide member including a plate member and side-surface members extending from opposite side surfaces of the plate member, wherein each of the side-surface members has an inclined shape.

Abstract: A display apparatus includes a rear cover behind a display panel, a left cover on a left side of the display panel and a right cover on a right side of the display panel and connected to the rear cover, and a left speaker adjacent to the left cover and a right speaker and the right cover where each of the left speaker and the right speaker includes a diaphragm facing the rear cover and spaced apart from the rear cover to form a slot, an enclosure surrounding a speaker driver, a sound discharge port at one end of the slot adjacent to the left cover or the right cover and through which sound reproduced by the diaphragm is discharged, and a side wall between one surface of the enclosure and the rear cover and surrounding a circumference of the diaphragm excluding the sound discharge port.

Abstract: A display apparatus including a display panel configured to display an image in a front direction; a main speaker provided on a rear surface of the display panel; and an auxiliary speaker provided on the rear surface of the display panel, the auxiliary speaker being configured to output a sound in a rear direction opposing the front direction.

Abstract: An electronic apparatus may include a loudspeaker that includes an enclosure; a first driver disposed in the enclosure and configured to output a sound based on an input audio signal; a unit accommodator having a hole in which the first driver is disposed, and extending toward an inside of the enclosure; a space forming portion extended from an outer edge of the unit accommodator, surrounding a back of the first driver to form a space with the unit accommodator, and spaced apart from an inner edge of the unit accommodator; a slot forming portion extending from the space forming portion, and having an inner surface spaced apart from an outer surface of the unit accommodator to form a first sound output passage; and a sound absorber disposed at at least one of the outer surface of the unit accommodator and the inner surface of the slot forming portion.

Abstract: Disclosed is a display apparatus. The display apparatus comprises a display; and a speaker wherein the speaker comprises a driver configured to output sound based on an input sound signal; an enclosure surrounding a rear side of the driver; and an air adsorption member comprising graphene provided in the enclosure. Based on the above, low-range reproduction capability of the speaker of the display apparatus may be improved and the degree of freedom in designing the speaker may be increased.

Abstract: A display apparatus includes a rear chassis configured to support a liquid crystal display panel and a backlight assembly; a vibration region formed as a part of the rear chassis adjacent to an edge of the rear chassis, the vibration region being isolated from a remaining part of the rear chassis by a vibration blocking part so that vibration is not transmitted to the remaining part of the rear chassis; a vibrator disposed in the vibration region; a rear housing configured to surround the rear chassis and including a discharge port communicating with the vibration region of the rear chassis to discharge sound generated in the vibration region to an outside; and a waveguide disposed on the rear chassis and configured to guide sound generated in the vibration region to the discharge port of the rear housing.

Abstract: Disclosed is an electronic apparatus comprising: an audio processor configured to process a sound signal; and a loudspeaker configured to output sound based on the sound signal, the loudspeaker comprising: a first driver; a second driver configured to output a frequency band higher than a frequency band output by the first driver; and a plate-shaped enclosure comprising a chamber accommodating the first driver and the second driver and a sound emission passage adjacent to the chamber, and the sound emission passage comprising: a first sound emission passage extending along an arrangement direction of the first driver and the second driver and having the first driver disposed therein; and a second sound emission passage extending along the arrangement direction of the first driver and the second driver inside the first sound emission passage and having the second driver disposed therein.

Abstract: A resonant-structured optical transistor includes a nonlinear medium which generates a second harmonic wave through second-order nonlinear interaction with an incident pump wave, and generates an amplified signal wave and a converted wave having a difference frequency through second-order nonlinear interaction between the incident signal wave and the second harmonic wave, a first mirror which transmits, to the nonlinear medium, the pump wave or the signal wave, and reflects the second harmonic wave on one surface of the nonlinear medium, and a second mirror which transmits the pump wave, the signal wave, or the converted wave, and reflects the second harmonic wave on another surface of the nonlinear medium. The pump wave is incident to the nonlinear medium through the first mirror in a first operation mode, and the pump wave and the signal wave are incident to the nonlinear medium through the first mirror in a second operation mode.

Abstract: A display apparatus includes a rear chassis configured to support a liquid crystal display panel and a backlight assembly; a vibration region formed as a part of the rear chassis adjacent to an edge of the rear chassis, the vibration region being isolated from a remaining part of the rear chassis by a vibration blocking part so that vibration is not transmitted to the remaining part of the rear chassis; a vibrator disposed in the vibration region; a rear housing configured to surround the rear chassis and including a discharge port communicating with the vibration region of the rear chassis to discharge sound generated in the vibration region to an outside; and a waveguide disposed on the rear chassis and configured to guide sound generated in the vibration region to the discharge port of the rear housing.

Abstract: An electronic apparatus may include a loudspeaker that includes an enclosure; a first driver disposed in the enclosure and configured to output a sound based on an input audio signal; a unit accommodator having a hole in which the first driver is disposed, and extending toward an inside of the enclosure; a space forming portion extended from an outer edge of the unit accommodator, surrounding a back of the first driver to form a space with the unit accommodator, and spaced apart from an inner edge of the unit accommodator; a slot forming portion extending from the space forming portion, and having an inner surface spaced apart from an outer surface of the unit accommodator to form a first sound output passage; and a sound absorber disposed at at least one of the outer surface of the unit accommodator and the inner surface of the slot forming portion.

Abstract: Disclosed is a display apparatus. The display apparatus comprises a display; and a speaker wherein the speaker comprises a driver configured to output sound based on an input sound signal; an enclosure surrounding a rear side of the driver; and an air adsorption member comprising graphene provided in the enclosure. Based on the above, low-range reproduction capability of the speaker of the display apparatus may be improved and the degree of freedom in designing the speaker may be increased.

Abstract: Disclosed is an electronic apparatus comprising: an audio processor configured to process a sound signal; and a loudspeaker configured to output sound based on the sound signal, the loudspeaker comprising: a first driver; a second driver configured to output a frequency band higher than a frequency band output by the first driver; and a plate-shaped enclosure comprising a chamber accommodating the first driver and the second driver and a sound emission passage adjacent to the chamber, and the sound emission passage comprising: a first sound emission passage extending along an arrangement direction of the first driver and the second driver and having the first driver disposed therein; and a second sound emission passage extending along the arrangement direction of the first driver and the second driver inside the first sound emission passage and having the second driver disposed therein.