CN102917288A - Loudspeaker structure of flat panel display - Google Patents

Loudspeaker structure of flat panel display Download PDF

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Publication number
CN102917288A
CN102917288A CN201110219196XA CN201110219196A CN102917288A CN 102917288 A CN102917288 A CN 102917288A CN 201110219196X A CN201110219196X A CN 201110219196XA CN 201110219196 A CN201110219196 A CN 201110219196A CN 102917288 A CN102917288 A CN 102917288A
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China
Prior art keywords
groove
opening
front frame
flat
back cover
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Pending
Application number
CN201110219196XA
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Chinese (zh)
Inventor
刘俊铭
翁伯敏
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Hannstar Display Corp
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Hannstar Display Corp
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Publication date
Application filed by Hannstar Display Corp filed Critical Hannstar Display Corp
Priority to CN201110219196XA priority Critical patent/CN102917288A/en
Publication of CN102917288A publication Critical patent/CN102917288A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a loudspeaker structure of a flat panel display. The loudspeaker structure comprises a shielding structure and a loudspeaker unit. A front frame for mounting the flat panel display and a rear shell integrally extend to form the shielding structure, and a voice box of a loudspeaker is formed by a space enclosed by the shielding structure and the loudspeaker unit. The front frame and the rear shell integrally extend to form the voice box, so that cost of configuring the loudspeaker can be reduced, and sound quality performance can be increased.

Description

The loadspeaker structure of flat-panel screens
Technical field
The present invention relates to the loadspeaker structure of a kind of loadspeaker structure, particularly a kind of flat-panel screens.
Background technology
Show in the product on present plane, some can built-in speaker system in order to satisfy certain audiovisual demand.In the display of these built-in speaker systems; some saves in order to reduce cost as loudspeaker monomer and installs audio amplifier additional; at some comparatively in the product of high-order; usually can be at the additional audio amplifier of loud speaker itself; that is except loudspeaker monomer, the audio amplifier that also can design with cooperating loudspeaker monomer.
Do not install the demonstration product of audio amplifier additional for those loudspeaker monomers, its sound quality that represents will inevitably be furnished with the loud speaker of audio amplifier for poor.But the demonstration product for itself being furnished with loudspeaker acoustic enclosure exists expensive problem.
Summary of the invention
The object of the invention is to address the above problem, a kind of loadspeaker structure of flat-panel screens is provided, to reducing the cost that shows product configuration loud speaker, can improve the tonequality performance of loud speaker simultaneously.
The technical scheme that the present invention takes is:
A kind of loadspeaker structure of flat-panel screens, comprise front frame, back cover, the first groove, loudspeaker monomer and the second groove, described front frame and back cover are assembled mutually, it is characterized in that, the first groove is extended to form by the inner face one of described front frame, one side of the first groove has first opening, and opposite side has second opening; Described loudspeaker monomer is arranged in the first groove, with described the first closure of openings; The second groove is extended to form by the inner face one of described back cover, the second groove has the 3rd opening, described the second opening and described the 3rd opening overlap, and the space that described the first groove, the second groove and loudspeaker monomer surround is interconnected, and form audio amplifier.
Further, described the first groove comprises a plurality of the first groove walls, and described a plurality of the first groove walls are extended to form by the inner face one of described front frame.
Further, described the second groove comprises a plurality of the second groove walls, and described a plurality of the second groove walls are extended to form by the inner face one of described back cover.
Further, described the first groove and described front frame adopt same material and one-body molded.
Further, described the second groove and described back cover adopt same material and one-body molded.
Further, described loudspeaker monomer comprises a vibrating diaphragm, and corresponding described the first opening setting of described vibrating diaphragm also is exposed to described the first opening.
Further, also comprise a packing ring, described packing ring is arranged between described the second opening and described three openings.
Further, comprise rubber in the material of described packing ring.
Further, described audio amplifier is a confined space.
Further, the sizableness of described the second opening and described the 3rd opening.
Further, described the first groove and described the second groove are rectangular recess.
Further, also comprise a front frame jointing plate, described front frame jointing plate has a perforate, corresponding to described the first opening.
In addition, the loadspeaker structure that the present invention also provides other to plant flat-panel screens, its technical scheme is:
A kind of loadspeaker structure of flat-panel screens, comprise front frame, back cover and loudspeaker monomer, described front frame and back cover are assembled mutually, it is characterized in that, also comprise a shielding construction, described shielding construction comprises an opening and a plurality of walls that extended to form by the inner face one of the back cover of described front frame; Described loudspeaker monomer is arranged in the described shielding construction, and described loudspeaker monomer comprises a vibrating diaphragm, and described vibrating diaphragm seals described opening and is exposed to described opening, and a plurality of walls of described shielding construction and the space that loudspeaker monomer surrounds form audio amplifier.
The invention has the beneficial effects as follows:
The display of audio amplifier is not set compared to only configuring loudspeaker monomer, because the present invention extends to form shielding construction with front frame and the back cover of flat-panel screens from the inner face one, the space that utilizes shielding construction and loudspeaker monomer to surround is used as the audio amplifier of loud speaker, so the cost that the present invention only need spend seldom can promote the tonequality performance that shows product, and compared to demonstration product itself that be furnished with loudspeaker acoustic enclosure, because the present invention's audio amplifier system is formed by front frame and the back cover of encapsulation display, therefore can effectively reduce cost.
Description of drawings
Accompanying drawing 1 is the front view of flat-panel screens;
Accompanying drawing 2 is the end view of flat-panel screens;
Accompanying drawing 3 is the explosive view of the loadspeaker structure of flat-panel screens of the present invention;
Accompanying drawing 4 is the enlarged drawing of the loadspeaker structure among the 3rd figure;
Accompanying drawing 5 is the assembly drawing of flat-panel screens;
Accompanying drawing 6 is the assembly drawing of loadspeaker structure among the 5th figure.
Label in the accompanying drawing is respectively:
10. front frame; 11. front frame body; 12. front frame jointing plate;
15. the first groove; 20. back cover; 21. back cover body;
25. the second groove; 30. display floater; 40. loadspeaker structure;
42. shielding construction; 45. loudspeaker monomer; 50. loud speaker;
52. perforate; 54. packing ring; 150. the first groove walls;
151. the first opening; 152. the second opening; 250. the second groove walls;
253. the 3rd opening; 450. vibrating diaphragm.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the loadspeaker structure of flat-panel screens of the present invention.
The present invention utilizes the front frame of flat-panel screens and the audio amplifier that the back cover one extends to form loud speaker, is used for promoting the tonequality performance of the demonstration product (such as flat-surface television) that disposes loud speaker.
Consult accompanying drawing 1, accompanying drawing 2, flat-panel screens generally includes display floater 30 and backlight module (not shown).When flat-panel screens is assembled, can use front frame 10 around the periphery of fixed display panel 30 and expose the viewing area of display floater 30, and use back cover 20 coating described backlight module, perhaps the circuit board (not shown) of fixing internal.Front frame 10 and back cover 20 are used for the display floater 30 of flat-panel screens is fitted together with other intraware (such as backlight module and circuit board), and loud speaker 50 is arranged on the left and right sides, flat-panel screens top, the middle left and right sides, the left and right sides, below or other the suitable position.In the present invention, flat-panel screens can comprise liquid crystal display (liquid crystal display, LCD), organic light emitting diode display (organic light emitted diode display, OLED display), plasma display panel (plasma display panel, PDP) and Field Emission Display (field emission display, FED) etc.
Consult accompanying drawing 3 to accompanying drawing 6, accompanying drawing 3 is the explosive view of the loadspeaker structure of flat-panel screens of the present invention, and accompanying drawing 4 is the enlarged drawing of the loadspeaker structure in the accompanying drawing 3, and accompanying drawing 5 and accompanying drawing 6 are respectively the assembly drawing of flat-panel screens of the present invention and loadspeaker structure.The loadspeaker structure 40 of flat-panel screens of the present invention comprises shielding construction 42 and loudspeaker monomer 45, and shielding construction 42 is extended to form by front frame 10 and back cover 20 one, and the space that shielding construction 42 and loudspeaker monomer 45 surround namely consists of the audio amplifier of loud speaker.That is to say, the present invention utilizes front frame 10 and back cover 20 materials own to form audio amplifier, so can reduce the cost of configuration loud speaker, can improve the tonequality performance simultaneously.At this, shielding construction 42 comprises a plurality of walls that extended to form by the inner face of front frame 10 and back cover 20 upright (or vertical) one, and has at least one opening.Loudspeaker monomer 45 is fixedly arranged in the shielding construction 42 by one of these openings, the vibrating diaphragm 450 corresponding openings of loudspeaker monomer 45 and arranging, and sealing opening, this moment, vibrating diaphragm 450 can be exposed to the opening of front frame 10, that is front frame 10 is with vibrating diaphragm 450 sealing, and therefore the sound of vibrating diaphragm 450 generation of vibrations can blaze abroad towards the direction of front frame 10.And the space that the wall of shielding construction 45 and loudspeaker monomer 45 surround forms audio amplifier, the sound of vibrating diaphragm 450 generation of vibrations simultaneously can be in audio amplifier vibration-generating.
As previously mentioned, the present invention utilizes the front frame 10 of flat-panel screens and back cover 20 extends to form loud speaker via one in the manufacture process audio amplifier.Shown in accompanying drawing 3 and accompanying drawing 4, the loadspeaker structure 40 of flat-panel screens of the present invention comprises the first groove 15, loudspeaker monomer 45 and the second groove 25, and the first groove 15 and the second groove 25 formations shielding construction 42 as shown in Figure 6.The first groove 15 is extended to form by the inner face one of front frame 10, and specifically, the first groove 15 comprises a plurality of the first groove walls 150, and a plurality of the first groove walls 150 are all extended to form by front frame 10 inner faces upright (or vertical) one.The second groove 25 is extended to form by back cover 20 inner face one, and specifically, the second groove 25 comprises a plurality of the second groove walls 250, and a plurality of the second groove walls 250 are all extended to form by the inner face of back cover 20 upright (or vertical) one.On implementation, front frame 10 utilizes the mode of plastics punching press and forms, and forms in the lump during the body 11 of the first groove 15 frame 10 before punching press forms, therefore the first groove 15 has the material identical with the body 11 of front frame 10; Similarly, back cover 20 utilizes the mode of plastics punching press and forms, and the second groove 25 forms when punching press forms the body 21 of back cover 20 in the lump, therefore the second groove 25 has the material identical with the body 21 of back cover 20.
The first groove 15 that is extended to form by the inner face one of front frame 10 has the first opening 151 and has the second opening 152 at opposite side or an opposite side in a side.When assembling, loudspeaker monomer 45 is positioned in the first groove 15, and loudspeaker monomer 45 is fixed, for example use screw or bolt-locking, make the first opening 151 of loudspeaker monomer 45 sealings the first groove 15.Specifically, loudspeaker monomer 45 comprises vibrating diaphragm 450, is used for producing vibration and sounds, loudspeaker monomer 45 is being placed on the first groove 15 when interior, vibrating diaphragm 450 is towards the first opening 151, so that after loudspeaker monomer 45 is fixing, vibrating diaphragm 450 complete closed the first opening 151.As above, the first opening 151 of vibrating diaphragm 45 corresponding the first grooves 15 and arranging, and after former frame 10 and back cover 20 are finished assembling, the vibrating diaphragm 450 of loudspeaker monomer 45 can be exposed to the first opening 151 of front frame 10, that is front frame 10 do not seal vibrating diaphragm 450 fully, and therefore the sound of vibrating diaphragm 450 generation of vibrations can blaze abroad towards the direction of front frame 10.
The second groove 25 that is extended to form by the inner face one of back cover 20 has the 3rd opening 253, the sizableness of the 3rd opening 253 of the second groove 25 and the second opening 152 of the first groove 15, when current frame 10 is assembled with back cover 20, the second opening 152 of the first groove 15 can overlap mutually with the 3rd opening 253 of the second groove 25, so the first groove 15, the space that the second groove 25 and loudspeaker monomer 45 surround is interconnected and forms the audio amplifier of loud speaker, the sound that vibrating diaphragm 450 vibration of loudspeaker monomer 45 produces simultaneously can be in the audio amplifier that the first groove 15 and the second groove 25 form vibration-generating, therefore can promote the tonequality performance.In an embodiment, the first groove 15 and the second groove 25 can be embodied as basically rectangular groove, but the invention is not restricted to this, and the first groove 15 and the second groove 25 also can be embodied as the basically groove of rounded, oval or other shape.
For the function of guaranteeing audio amplifier can be stable running, the loadspeaker structure 40 of flat-panel screens of the present invention also comprises packing ring 54, be arranged between the 3rd opening 253 of the second opening 152 of the first groove 15 and the second groove 25, the shape of packing ring 54 and size cooperate the second opening 152 and the 3rd opening 253 and design, can use in addition material with elastic force and cushioning effect as the material of packing ring 54, such as rubber.The effect of packing ring 54 is to guarantee that the first groove 15 and the second groove 25 can engage closely, and is unlikely the situation that gas leakage occurs.On the other hand, packing ring 54 also can absorb the vibration force of part, and the vibration force that produces when reducing the audio amplifier vibration is passed to whole display and the related situation that affects picture disply.
In addition, also comprise front frame jointing plate 12, be used for covering or protect internal circuit or assembly, so that outside display seems smooth attractive in appearance.The first opening 151 of front frame jointing plate 12 corresponding the first grooves 15 has a perforate 52, and the sound that this structure allows the vibrating diaphragm 450 of loudspeaker monomer 45 to produce sees through perforate 52 and blazes abroad.In addition, based on attractive in appearance and/or safety factor, front frame jointing plate 12 also can corresponding perforate 52 arrange the guard (not shown).
Moreover the audio amplifier of loadspeaker structure 40 of the present invention is essentially a confined space, and for example the aforementioned space that is surrounded by the first groove 15, the second groove 25 and loudspeaker monomer 45 is interconnected and the audio amplifier that forms is essentially confined space.But in other embodiments, the design at audio amplifier ad-hoc location Drilling aperture is arranged in order to change tonequality, this type of design should still be considered as within the scope that the present invention discloses.
To sum up, the present invention extends to form the first groove 15 of shielding construction 42 and each wall 150 of the second groove 25 with front frame 10 and the back cover 20 of flat-panel screens from the inner face one, 250, and utilize each wall 150 of shielding construction 42,250 spaces that surround with loudspeaker monomer 45 are as the audio amplifier of loud speaker, the display of audio amplifier is not set compared to only configuring loudspeaker monomer 45, the cost that the present invention only need spend seldom can promote the tonequality performance that shows product, and compared to demonstration product itself that be furnished with loudspeaker acoustic enclosure, because the present invention's audio amplifier front frame 10 and the back cover 20 by the encapsulation display formed, therefore can effectively reduce cost.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the loadspeaker structure of a flat-panel screens, comprise front frame, back cover, the first groove, loudspeaker monomer and the second groove, described front frame and back cover are assembled mutually, it is characterized in that: the first groove is extended to form by the inner face one of described front frame, one side of the first groove has first opening, and opposite side has second opening; Described loudspeaker monomer is arranged in the first groove, with described the first closure of openings; The second groove is extended to form by the inner face one of described back cover, the second groove has the 3rd opening, described the second opening and described the 3rd opening overlap, and the space that described the first groove, the second groove and loudspeaker monomer surround is interconnected, and form audio amplifier.
2. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: described the first groove comprises a plurality of the first groove walls, described a plurality of the first groove walls are extended to form by the inner face one of described front frame.
3. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: described the second groove comprises a plurality of the second groove walls, described a plurality of the second groove walls are extended to form by the inner face one of described back cover.
4. the loadspeaker structure of flat-panel screens according to claim 1 is characterized in that: described the first groove and described front frame employing same material and one-body molded.
5. the loadspeaker structure of flat-panel screens according to claim 1 is characterized in that: described the second groove and described back cover employing same material and one-body molded.
6. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: described loudspeaker monomer comprises a vibrating diaphragm, corresponding described the first opening setting of described vibrating diaphragm also is exposed to described the first opening.
7. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: also comprise a packing ring, described packing ring is arranged between described the second opening and described three openings.
8. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: described audio amplifier is a confined space.
9. the loadspeaker structure of flat-panel screens according to claim 1, it is characterized in that: also comprise a front frame jointing plate, described front frame jointing plate has a perforate, corresponding to described the first opening.
10. the loadspeaker structure of a flat-panel screens, comprise front frame, back cover and loudspeaker monomer, described front frame and back cover are assembled mutually, it is characterized in that: also comprise a shielding construction, described shielding construction comprises an opening and a plurality of walls that extended to form by the inner face one of the back cover of described front frame; Described loudspeaker monomer is arranged in the described shielding construction, and described loudspeaker monomer comprises a vibrating diaphragm, and described vibrating diaphragm seals described opening and is exposed to described opening, and a plurality of walls of described shielding construction and the space that loudspeaker monomer surrounds form audio amplifier.
CN201110219196XA 2011-08-02 2011-08-02 Loudspeaker structure of flat panel display Pending CN102917288A (en)

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CN103338602A (en) * 2013-06-27 2013-10-02 京东方科技集团股份有限公司 Display unit back cover and display unit
CN110769719A (en) * 2017-06-19 2020-02-07 Lg 电子株式会社 Skin care device
CN111474984A (en) * 2020-04-07 2020-07-31 合肥京东方视讯科技有限公司 Display device rear shell and display device
CN111526463A (en) * 2016-03-28 2020-08-11 乐金显示有限公司 Panel vibration type sound display device
WO2021056772A1 (en) * 2019-09-29 2021-04-01 掌阅科技股份有限公司 Housing assembly and mobile terminal
US11140482B2 (en) 2016-03-28 2021-10-05 Lg Display Co., Ltd. Actuator fixing device and panel vibration type sound-generating display device including the same

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CN201657237U (en) * 2009-12-07 2010-11-24 联想移动通信科技有限公司 Portable communication terminal with extensible audio cavity

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103338602A (en) * 2013-06-27 2013-10-02 京东方科技集团股份有限公司 Display unit back cover and display unit
CN111526463A (en) * 2016-03-28 2020-08-11 乐金显示有限公司 Panel vibration type sound display device
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US11140482B2 (en) 2016-03-28 2021-10-05 Lg Display Co., Ltd. Actuator fixing device and panel vibration type sound-generating display device including the same
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CN111474984A (en) * 2020-04-07 2020-07-31 合肥京东方视讯科技有限公司 Display device rear shell and display device
US11962961B2 (en) 2020-04-07 2024-04-16 Hefei Boe Vision-Electronic Technology Co., Ltd. Rear shell of display device and display device

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Application publication date: 20130206