WO2014157644A1 - Corps de logement de dispositif d'affichage et dispositif récepteur de télévision - Google Patents

Corps de logement de dispositif d'affichage et dispositif récepteur de télévision Download PDF

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Publication number
WO2014157644A1
WO2014157644A1 PCT/JP2014/059215 JP2014059215W WO2014157644A1 WO 2014157644 A1 WO2014157644 A1 WO 2014157644A1 JP 2014059215 W JP2014059215 W JP 2014059215W WO 2014157644 A1 WO2014157644 A1 WO 2014157644A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
speaker
housing
display
woofer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/059215
Other languages
English (en)
Japanese (ja)
Inventor
宏史 鈴木
智宏 岡田
和弘 長瀬
柴田　和宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of WO2014157644A1 publication Critical patent/WO2014157644A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/642—Disposition of sound reproducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

Definitions

  • the present invention relates to a housing of a display device incorporating a speaker.
  • the display device used at that time may be a medium or small display device.
  • the display device used at that time may be a medium or small display device.
  • it may be required to mount the speaker as described above.
  • Patent Documents 1 and 2 describe a general thin display device configured by two units of a display unit and a stand unit.
  • Japanese Patent Publication Japanese Patent Laid-Open No. 2003-204587 (published on July 18, 2003)” Japanese Patent Publication “Japanese Patent Laid-Open No. 2008-211381 (published on September 10, 2008)”
  • the display device in which the display unit and the stand unit are integrated, there is no space for disposing the speaker at the lower part of the display unit, so the speaker can be installed on the back surface.
  • the present invention has been made in view of the above problems, and provides a housing capable of stabilizing the center of gravity of a display device in which the housing is incorporated, in the housing of a display device incorporating a speaker. Is the main purpose.
  • a housing is a housing of a display device including a speaker, and is installed on a floor surface and a portion that covers a display portion of the display device. And a speaker holding portion for holding the speaker at a central portion in a horizontal direction when viewed from the front of the housing in a portion installed on the floor surface. It is a feature.
  • the portion that covers the display portion of the display device and the portion that is installed on the floor surface are integrated.
  • the center of the display device incorporating the case is shaken in the horizontal direction by disposing the speaker holding part for holding the speaker in the horizontal center of the part installed on the floor surface.
  • a housing according to an embodiment of the present invention and a display device including the housing will be described with reference to FIGS.
  • the display device according to the present embodiment is not limited to this, but may be a television receiver, for example.
  • the technical scope of this invention is not limited to description of the following embodiment and drawing.
  • FIG. 1 is a perspective view schematically showing an appearance of the front side of the display device 100
  • FIG. 2 is a rear view of the display device 100. It is a perspective view which shows the external appearance of a side typically.
  • the display device 100 includes a display screen 11 on the front side.
  • the side of the display device 100 on which the display screen 11 is provided is defined as the front surface, and the opposite side is defined as the back surface.
  • the display device 100 is not limited to this, but may be, for example, a liquid crystal display device, and the display screen 11 may be a liquid crystal display screen.
  • the display device 100 includes a front cabinet 10 on the front side and a back cabinet 20 on the back side. And the housing
  • the front cabinet 10 and the back cabinet 20 can be, for example, an injection-molded product such as plastic, but are not limited thereto, and may include a metal or the like.
  • A indicates a display unit of the display device 100 having the display screen 11 and a part covering the display unit in the housing 1.
  • B indicates a stand unit of the display device 100 that is installed on the floor and supports the display unit, and a part installed on the floor of the housing 1.
  • the front cabinet 10 has a front projecting portion 12 projecting forward in a portion installed on the floor surface.
  • the depth direction when the display device 100 or the housing 1 is viewed from the front may be described as the front-rear direction.
  • the horizontal direction when the display device 100 or the housing 1 is viewed from the front, the horizontal direction may be described as the horizontal direction, and the vertical direction may be described as the vertical direction.
  • the front protruding portion 12 protrudes from the entire lower portion of the front cabinet 10, and the contour of the horizontal cross section is an arc.
  • a camera 13 is provided on the front protruding portion 12.
  • the present embodiment is not limited to this, and the camera 13 may not be provided, or instead of or in addition to the camera 13, a communication module for Wi-Fi, 3G, etc., or infrared light receiving for a remote controller And various sensors may be provided. A plurality of these may be provided.
  • the back cabinet 20 has a rear protruding portion (protruding portion) 21 protruding rearward at a portion installed on the floor surface.
  • the back protrusion part 21 protrudes from the horizontal center part of the lower part of the back cabinet 20, and the outline of the cross section of a horizontal direction is circular arc shape (semicircle).
  • a sound output port 22 of a woofer 31 to be described later is provided on substantially the entire side surface of the rear protruding portion 21.
  • the structure of the sound outlet 22 of the woofer 31 is not particularly limited, and may be, for example, a groove structure or a mesh structure.
  • the stand portion (B) of the display device 100 protrudes toward the back side with respect to the display portion (A), even when the display device 100 is installed near the wall, the display portion The distance between (A) and the wall can be taken. Thereby, generation
  • the display device 100 is a display device having a so-called stand-less structure in which the display unit (A) and the stand unit (B) are integrated, and the housing 1 thereof is A part A for storing the main body of the display device 100 and a part B installed on the floor surface are integrated. Therefore, it is possible to realize a reduction in mold cost and simplification of the assembly process.
  • FIG. 3 is a perspective view showing a configuration in a state where the back cabinet 20 is removed from the display device 100.
  • an internal configuration 30 including various circuit blocks, a power source, wiring between the circuit blocks, a speaker other than the woofer 31, a backlight light source for liquid crystal display, a light guide, a reflector, and the like is provided. It has been.
  • a pedestal portion (speaker holding portion) 32 is provided on the bottom portion (portion installed on the floor surface) of the housing 1.
  • the pedestal portion 32 constitutes a part of a portion installed on the floor surface of the housing 1 and also functions as a speaker holding portion that holds a woofer (speaker) 31 built in the display device 100.
  • the woofer 31 is disposed on the bottom part (stand part) of the display device 100 by the unit 32 so that the sound output direction is downward.
  • the pedestal portion 32 can be made of, for example, metal.
  • the pedestal portion 32 is provided in a central portion in the horizontal direction (a central portion in the horizontal direction when viewed from the front of the housing 1) in a portion installed on the floor surface of the housing 1.
  • the woofer 31 can be disposed in the center of the bottom of the display device 100, and the center of gravity of the display device 100 can be lowered without being shaken laterally.
  • the stability of the display device 100 can be improved.
  • the reliability with respect to the vibration at the time of an earthquake or a person's collision can be improved.
  • even if the floor surface to be installed is somewhat unstable, it can be installed without any problem.
  • the object held by the pedestal 32 is the woofer 31, but other types of speakers may be used.
  • the pedestal unit 32 holds the woofer, the display device 100 can preferably reproduce the low sound, so that the sound quality can be improved.
  • FIG. 4 is a perspective view showing a configuration in a state where the back cabinet 20 is removed from the display device 100 and the woofer 31 is further removed.
  • a reflector 33 is provided at the bottom of the pedestal 32.
  • the reflection plate 33 disposed so as to face the sound output surface of the woofer 31 is provided.
  • the reflector 33 can be made of, for example, metal.
  • the sound emitted downward from the woofer 31 can be reflected by the reflection plate 33 and output from the sound output port 22 on the back of the stand portion (B).
  • the sound quality can be adjusted to obtain a good sound quality.
  • FIG. 5 is a side sectional view schematically showing the internal structure of the display device 100.
  • the woofer 31 is disposed in the stand portion (B) of the display device 100 so that the sound output direction is downward, and the sound output port 22 for the woofer 31 includes the sound output port 22. It is provided on the back of the stand part (B).
  • the display portion (A) can be suitably reduced in thickness. Thereby, the thinning and high sound quality of the display unit (A) can be achieved at the same time.
  • the front protruding portion 12 and the rear protruding portion 21 are provided in the portion (B) installed on the floor surface of the housing 1, the front-rear direction (display device 100) of the stand portion (B) of the display device 100 is provided.
  • the width in the depth direction when viewed from the front is longer than the width in the depth direction of the display unit (A) of the display device 100. Therefore, the arrangement area of the speaker (woofer 31 in this embodiment) in the stand part (B) can be increased, which contributes to higher sound quality.
  • the gravity center of the display apparatus 100 can be moved to the back side, and it can suppress that the display apparatus 100 falls forward, ie, a viewer side.
  • the center of gravity of the woofer 31 exists behind the center of the display unit (A), and it is more preferable that the entire woofer 31 exists behind the center of the display unit (A).
  • the sound output from the woofer 31 is output from the sound output port 22 provided on the side surface of the rear protruding portion 21 of the housing 1 (the back surface of the stand portion (B) of the display device 100).
  • a speaker that reproduces low sounds such as the woofer 31 can suitably transmit sound from the sound output port 22 provided on the back as viewed from the viewer.
  • the sound output port 22 is provided on the back surface of the stand part (B)
  • the camera 13 and the infrared light receiving part for the remote control, Wi-Fi, 3G are provided on the front side of the stand part (B).
  • a space for incorporating a communication module, various sensors, and the like can be suitably secured.
  • the contour of the cross section in the horizontal direction of the rear protruding portion 21 is an arc shape, so that the sound produced by the woofer 31 is emitted radially from the side surface of the rear protruding portion 21. be able to. Thereby, a sound can be transmitted more suitably.
  • the shape of the back protrusion part 21 is not limited to this.
  • the woofer 31 can be successfully stored in the stand portion (B) by arranging the sound output direction of the woofer 31 in the vertical direction (vertical direction) as in the present embodiment. This is because the width of the sound output direction of the woofer 31 is usually shorter than the width of the direction perpendicular to the sound output direction.
  • the pedestal 32 holds the woofer 31 so that the sound output direction is downward, thereby further saving space. Because, when the woofer 31 is held upward, a structure such as a sheet metal is required on the upper side in order to transmit sound, and a larger space is required. However, if the woofer 31 is held downward, This is because no structure is required and space can be saved.
  • FIG. 6 is a side sectional view showing a configuration in which the back cabinet 20 is removed from the display device 100
  • FIG. 7 is a bottom view of the configuration shown in FIG. 6 observed from the floor surface side.
  • the bottom surfaces of the display device 100 and the housing 1 have a configuration in which a pedestal portion 32 is provided behind the front protruding portion 12, and a rear protruding portion (not shown) is further provided behind the pedestal portion 32. 21 is provided. That is, it has a sandwich structure in which the pedestal portion 32 is sandwiched between the front cabinet 10 and the back cabinet 20.
  • the pedestal 32 holds the speaker (woofer 31) and is integrated with the speaker (woofer 31).
  • the dimensions of the display device 100 are not particularly limited and may be set as appropriate.
  • the horizontal width when viewed from the front is about 56.5 cm, the depth is about 17.5 cm, The height is about 41.8 cm, the protruding width of the front protruding portion 12 from the display portion (A) (L1 in FIG. 1) is about 5 cm, and the width in the depth direction of the display portion (A) (in FIGS. 1 and 2).
  • L2) is set to about 5 cm
  • the protruding width of the rear protruding portion 21 from the display portion (A) (L3 in FIG. 2) is set to about 8 cm, and the side end of the display device 100 to the side end of the rear protruding portion 21 is set.
  • the distance (L4 in FIG. 2) can be about 12 cm, and the distance from the side edge of the display device 100 to the side edge of the pedestal 32 (L5 in FIG. 3) can be about 17 cm.
  • a housing is a housing (1) of a display device (100) including a speaker (woofer 31), and includes a portion (A) that covers a display portion of the display device, a floor surface
  • the part (B) installed on the floor is united, and the part of the part installed on the floor holds the speaker at the center in the horizontal direction when viewed from the front of the housing Part (pedestal part 32).
  • the part covering the display unit of the display device and the part installed on the floor are integrated, so that the mold cost can be reduced and the assembly process can be simplified. Can be realized.
  • the center of the display device incorporating the case is shaken in the horizontal direction by disposing the speaker holding unit for holding the speaker in the horizontal center of the part installed on the floor surface. Can be lowered without letting Thereby, the stability of the display device, that is, the reliability with respect to vibration can be improved.
  • the speaker that is a target held by the speaker holding unit may be a woofer.
  • the speaker holding unit holds a relatively heavy woofer among the speakers, whereby the center of gravity can be further lowered and the stability of the display device can be further improved.
  • the speaker holding unit may hold the speaker so that the sound output direction is downward.
  • the portion installed on the floor surface includes a protruding portion (back surface protruding portion 21) protruding to the back surface side of the housing, and in the protruding portion, At least a part of the speaker holding unit may be provided.
  • the center of gravity can be moved to the back side. Therefore, it can suppress that a display apparatus falls forward, ie, a viewer side.
  • a sound output port (22) for the speaker is provided on a side surface of the protruding portion, and a horizontal cross-sectional outline of the protruding portion is an arc shape. May be.
  • the sound emitted from the speaker can be emitted radially from the side surface of the protruding portion, the sound can be suitably transmitted.
  • the present invention can be used in the field of manufacturing television receivers.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

La présente invention concerne un corps de logement (1), dans lequel une partie (A) de celui-ci qui recouvre une partie d'affichage d'un dispositif d'affichage (100) et une partie (B) de celui-ci qui est destinée à être placée sur une surface de sol sont solidaires l'une de l'autre, et une partie formant plate-forme (32) pour supporter un haut-parleur de graves (31) est prévue au niveau du centre horizontal de la partie (B) destinée à être placée sur la surface du sol, lorsqu'on regarde depuis la face avant du corps de logement (1).
PCT/JP2014/059215 2013-03-28 2014-03-28 Corps de logement de dispositif d'affichage et dispositif récepteur de télévision Ceased WO2014157644A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013070518A JP2014195165A (ja) 2013-03-28 2013-03-28 表示装置の筐体およびテレビジョン受像機
JP2013-070518 2013-03-28

Publications (1)

Publication Number Publication Date
WO2014157644A1 true WO2014157644A1 (fr) 2014-10-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/059215 Ceased WO2014157644A1 (fr) 2013-03-28 2014-03-28 Corps de logement de dispositif d'affichage et dispositif récepteur de télévision

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Country Link
JP (1) JP2014195165A (fr)
WO (1) WO2014157644A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0221888U (fr) * 1988-03-16 1990-02-14
JPH0565196U (ja) * 1992-02-12 1993-08-27 三菱電機株式会社 スピーカシステム
JP2004187271A (ja) * 2002-11-20 2004-07-02 Sharp Corp 表示装置
JP2008153716A (ja) * 2005-03-29 2008-07-03 Matsushita Electric Ind Co Ltd テレビジョン受像機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0221888U (fr) * 1988-03-16 1990-02-14
JPH0565196U (ja) * 1992-02-12 1993-08-27 三菱電機株式会社 スピーカシステム
JP2004187271A (ja) * 2002-11-20 2004-07-02 Sharp Corp 表示装置
JP2008153716A (ja) * 2005-03-29 2008-07-03 Matsushita Electric Ind Co Ltd テレビジョン受像機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Uwa, Medatane! Dakara Saiko!! Usugata Terebi no Speaker wa Koreshikane!!!", IMPRESS WATCH CORP., 12 July 2012 (2012-07-12), Retrieved from the Internet <URL:http://ad.impress.co.jp/special/maxell1207> [retrieved on 20140530] *

Also Published As

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JP2014195165A (ja) 2014-10-09

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