CN103150968A - Display device provided with exhaust and demisting structure - Google Patents

Display device provided with exhaust and demisting structure Download PDF

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Publication number
CN103150968A
CN103150968A CN2013100790212A CN201310079021A CN103150968A CN 103150968 A CN103150968 A CN 103150968A CN 2013100790212 A CN2013100790212 A CN 2013100790212A CN 201310079021 A CN201310079021 A CN 201310079021A CN 103150968 A CN103150968 A CN 103150968A
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CN
China
Prior art keywords
ground floor
movable part
transparent panel
display device
holes
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Granted
Application number
CN2013100790212A
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Chinese (zh)
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CN103150968B (en
Inventor
李志文
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Qisda Suzhou Co Ltd
Qisda Corp
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Qisda Suzhou Co Ltd
Qisda Corp
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Priority to CN201310079021.2A priority Critical patent/CN103150968B/en
Publication of CN103150968A publication Critical patent/CN103150968A/en
Application granted granted Critical
Publication of CN103150968B publication Critical patent/CN103150968B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a display device which comprises a display module, a transparent plate, a plastic frame, a movable part, and a housing, wherein the transparent plate is arranged above the display module and provided with the inner side face and the outer side face; the plastic frame is arranged between the transparent plate and the display module and provided with at least one opening; the movable part is arranged at the opening and comprises a first layer body and a second layer body; the first layer body is arranged at the upper layer of the second layer body; a plurality of first through holes and a plurality of second through holes are formed in the first layer body and the second layer body respectively, and arranged in a staggered manner; the housing is positioned on the outer side face of the transparent plate; a space is defined by the plastic frame and the movable part; when the movable part is in an initial state, the first through holes and the second through holes have no overlay area, so that the space becomes a sealed space; when the movable part is heated to expand, the first layer body stretches relative to the second layer body; and the first through holes are at least partially overlapped with the second through holes to form a plurality of breathable areas, so that the space becomes a breathable space. The display device can reduce the probability of mist generation on the transparent plate.

Description

Display device with exhaust Defrosting structure
Technical field
The present invention relates to a kind of display device, especially a kind of display device with exhaust defrosting function.
Background technology
In the application of existing display device, as shown in Figure 1 and Figure 2, be stereographic map and the structure explosive view of display device in prior art.Display device 1 comprises shell 10, transparent panel 20, glue frame 30 and demonstration module 40, and shell 10 can coat transparent panel 20 fully and show module 40; Transparent panel 20 is arranged at the place ahead that shows module 40, shows module 40 in order to protection, also can play dustproof effect simultaneously; Glue frame 30 is arranged on transparent panel 20 and shows between module 40, prevents transparent panel 20 and shows that the direct of module 40 contacts.further with reference to figure 3A and 3B, be respectively display device in Fig. 1 along the partial enlarged drawing of corresponding C ' position in the cut-open view of CC direction and Fig. 3 A, due to closed rectangular-shaped of 30 one-tenth of glue frames, so it has surrounded a confined space 50 between transparent panel 20 and demonstration module 40, and the air that wherein contains certain humidity, so when showing that module 40 work a period of time heatings cause surface temperature rising or transparent panel 20 lateral surface 21 temperature to descend, the air that has certain humidity in confined space 50 namely can form fog on the medial surface of transparent panel 20, thereby impact shows the display effect of module 40, its excessive globule that condenses more likely causes the damage of its inner member.
Therefore, in order to address this problem, common way has type of heating, around transparent panel 20 or medial surface attaches superfine heating wire, transparent panel 20 is heated, and promotes the temperature of medial surface, makes water vapor be difficult for condensation.But for existing display device, its size design is towards compact, and the inner space is limited, is difficult for extra heating wire and the needed circuit of driving heating wire of increasing.And also need with extra battery-operated for heater circuit, low power consumption is required high, use heating wire to increase power consumption, and do not meet the demand of existing display device development.Also have for transparent panel 20 and carry out plated film or gloomy as chemical agent, change the interface characteristic on strengthening glass sheets surface, make water vapor be difficult for condensing.But plated film or to infiltrate the chemical agent Expenses Cost higher, and it can only delay the water vapor rate of setting, after long-time operation, still can build up moisture, can't thoroughly remove fog.Has the simple and practical display device of the exhaust Defrosting structure theme that will study of the present invention just cheaply again so how to design one.
Summary of the invention
In order to address the above problem, the present invention has designed a kind of display device with exhaust Defrosting structure.
The invention discloses a kind of display device, it comprises: show module; Transparent panel is arranged at above the demonstration module, and this transparent panel has lateral surface and medial surface, and this medial surface shows module with respect to this; The glue frame is arranged between this transparent panel and this demonstration module, shows module in order to spaced apart this transparent panel and this, has at least one opening on this glue frame; Movable part, correspondence is arranged on this opening part, this movable part has double-decker, comprise ground floor body and second layer body, this ground floor body is arranged at the upper strata of this second layer body, this ground floor body is provided with a plurality of the first through holes, and this second layer body is provided with a plurality of the second through holes, and these a plurality of first through holes and the second through hole are in the dislocation; And housing, be positioned on this lateral surface of this transparent panel, in order to coat this transparent panel and this demonstration module;
Wherein, this glue frame and this movable part have surrounded a space, and this movable part is when original state, and these a plurality of first through holes and the second through hole zero lap are regional, make this space become a confined space; During this movable part expanded by heating, this ground floor body stretches with respect to this second layer body, thereby these a plurality of first through holes and the second through hole at least part of overlapping a plurality of ventilation areas that form cause this space to become a ventilation space.
As optional scheme, in described display device, this glue frame has two openings that are oppositely arranged, and when this movable part expanded by heating, these two openings make the air in this space form convection current.
Preferably, this transparent panel is strengthening glass sheets or contact panel.
Preferably, grow snap fit on this limit, second layer side in order to locate this ground floor body, make this ground floor body be limited in unidirectional stretching, extension in horizontal plane.
Preferably, an end of this ground floor body is fixed on this second layer body, and the direction when making this ground floor body stretch is unidirectional.
Preferably, this ground floor body has the first expansion coefficient, and this second layer body has the second expansion coefficient, and this first expansion coefficient is greater than this second expansion coefficient.
In addition, the invention also discloses another kind of display device, it comprises: show module; Transparent panel is arranged at above the demonstration module, and this transparent panel has lateral surface and medial surface, and this medial surface shows module with respect to this; Four movable parts, end to end formation one framework is arranged between this transparent panel and this demonstration module, shows module in order to spaced apart this transparent panel and this; And housing, be positioned on this lateral surface of this transparent panel, in order to coat this transparent panel and this demonstration module;
Wherein, this movable part has double-decker, comprise ground floor body and second layer body, this ground floor body is arranged at the upper strata of this second layer body, and this ground floor body is provided with a plurality of the first through holes, and this second layer body is provided with a plurality of the second through holes, these a plurality of first through holes and the second through hole are in the dislocation, this movable part is when original state, and these a plurality of first through holes and the second through hole zero lap are regional, and a space that makes this glue frame and this movable part surround becomes a confined space; During this movable part expanded by heating, this ground floor body stretches with respect to this second layer body, thereby these a plurality of first through holes and the second through hole at least part of overlapping a plurality of ventilation areas that form cause this space to become a ventilation space.
Preferably, this transparent panel is strengthening glass sheets or contact panel.
Preferably, grow snap fit on this limit, second layer side in order to locate this ground floor body, make this ground floor body be limited in unidirectional stretching, extension in horizontal plane, when this movable part expanded by heating, the direction of extension of adjacent two each self-corresponding these ground floor bodies of this movable part is mutually vertical.
Preferably, this ground floor body has the first expansion coefficient, and this second layer body has the second expansion coefficient, and this first expansion coefficient is greater than this second expansion coefficient.
Compared with prior art, the present invention utilizes the design of the different expansion coefficient of movable part different layers body, coordinate again the structure with staggered through hole on two-layer body, make former confined space realize interim airing function, simply effectively reducing again display device the probability of fog occurs on transparent panel when being heated.Even occurred the situation of fog on original transparent panel, the present invention also can accelerate the discharge of fog faster.
Description of drawings
Fig. 1 is the stereographic map of display device in prior art;
Fig. 2 is the structure explosive view of display device shown in Figure 1;
Fig. 3 A be in Fig. 1 display device along the cut-open view of CC direction;
Fig. 3 B is the partial enlarged drawing of corresponding C ' position in Fig. 3 A;
Fig. 4 A is the structure explosive view of display device in one embodiment of the invention;
Fig. 4 B is the side sectional view of display device in one embodiment of the invention;
Fig. 4 C is the partial enlarged drawing of corresponding Z position in Fig. 4 B;
Fig. 5 A is the original state figure of movable part in one embodiment of the invention;
Fig. 5 B be in Fig. 5 A movable part along the cut-open view of AA direction;
Fig. 6 A is the constitutional diagram during the movable part expanded by heating in one embodiment of the invention;
Fig. 6 B be in Fig. 6 A movable part along the cut-open view of BB direction;
Fig. 7 is the combination assumption diagram of another embodiment of the present invention glue frame and movable part;
Fig. 8 is the structural drawing that in further embodiment of this invention, movable part forms a framework.
Embodiment
For making, purpose of the present invention, structure, feature and function thereof there are further understanding, hereby coordinate embodiment to be described in detail as follows.
Please refer to shown in Fig. 4 A, 4B and 4C, be respectively the partial enlarged drawing of corresponding Z position in structure explosive view, side sectional view and Fig. 4 B of display device in one embodiment of the invention.Display device in this embodiment comprises demonstration module 400, in order to show image document; Transparent panel 200, be arranged at the top that shows module 400, it has lateral surface 210 and medial surface 220, and medial surface 200 is with respect to showing module 400, in the present embodiment, transparent panel 200 is strengthening glass sheets, shows module 400 in order to protection, but in actual applications, this transparent panel 200 can be also that contact panel, acrylic board or other do not affect the clear sheet that shows module 400 image display effects; Glue frame 300 is arranged at transparent panel 200 and shows between module 400, in order to spaced apart transparent panel 200 and demonstration module 400, and in the present embodiment, has an opening 300a on glue frame 300; Movable part 310, be arranged on the opening 300a place of glue frame 300, make movable part 310 and glue frame 300 surround a framework, again because transparent panel 200 after the display device assembling is close to glue frame 300 and movable part 310 with showing module 400, so the framework inside that surrounds at movable part 310 and glue frame 300 has formed a space 320, as shown in Fig. 4 C.
Further with reference to Fig. 5 A, 5B, be respectively in the original state figure of movable part in one embodiment of the invention and Fig. 5 A movable part along the cut-open view of AA direction.The movable part 310 that designs in the present invention has double-deck long strip type material, it comprises ground floor body 311 and second layer body 322, an opposite side at second layer body 322 has grown a pair of snap fit 3121 and 3122, be subjected to the space of hot stretched in order to limit ground floor body 311, make it on the left and right directions as shown in Fig. 5 B, hot stretched occur, but, mentioned snap fit design here also can be replaced by other location structures, is not limited to this.But preferred, an end 3112 of ground floor body 311 is the corresponding end that are fixed on second layer body 312 in the present embodiment, its fixed form can be to bond or other mechanical fixing means by colloid, so so, when ground floor body 311 expanded by heating, it can only stretch along the direction of the other end 3111, and namely in Fig. 5 B, to the right direction is the direction of extension of ground floor body 311.in addition, be provided with a plurality of the first through hole 311a on ground floor body 311, in one line on the above-mentioned direction of extension, same, also be provided with plurality of through holes on second layer body 312 on above-mentioned direction of extension, referred to herein as the second through hole 312b, it is worth mentioning that, these a plurality of first through hole 311a and a plurality of the second through hole 312b are crisscross arranged, thus, refer again to Fig. 5 A, 5B, under original state, the first through hole 311a and the second through hole 312b do not have the overlapping region, therefore this movable part 310 is in airtight state under original state, therefore, further, under original state, above-mentioned space 320 can't form conducting with the external world, be a confined space.In addition, need explain the time, generally, when movable part 310 is arranged at opening 300a place on glue frame 300, preferably make second layer body 312 bottom surfaces and glue frame 300 be fixed, inevitable, this movable part 310 can be arranged at the peripheral side of glue frame 300 as in the present embodiment, its also can arrange with glue frame 300 in enclose side, do not do restriction at this, it can be decided according to actual conditions.
generally, along with the continuous firing that shows module 400, its ambient air temperature can rise thereupon, so the air themperature in above-mentioned space 320 also will inevitably rise, but the temperature of the lateral surface 210 of transparent panel 200 also is in a normality temperature at this moment, therefore the hot-air in space 320 just may form fog on the medial surface 220 of transparent panel 200, but in the present embodiment, deformation can occur in movable part 310 under heating status, concrete with reference to Fig. 6 A and 6B, in constitutional diagram when being respectively movable part expanded by heating in one embodiment of the invention and Fig. 6 A, movable part is along the cut-open view of BB direction.when showing that module 400 continuous firing heatings make peripheral temperature rise, movable part 310 namely can expanded by heating, be ground floor body 311 and second layer body 312 meeting expanded by heating, ground floor body 311 has the first expansion coefficient T1 in the present embodiment, second layer body 312 has the second expansion coefficient T2, and the first expansion coefficient T1 is greater than second layer coefficient of volumetric expansion T2, therefore when ground floor body 311 and second layer body 312 expanded by heating generation simultaneously stretching, extension, the length that ground floor body 311 stretches than second layer body 312 can be longer, again because second layer body 312 is the opening 300a places that are fixed on glue frame 300, so the relative extension degree that ground floor body 311 expands with respect to second layer body 312 can be more obvious.As shown in Fig. 6 A, 6B, the other end 3111 of ground floor body 311 can be along stretching to right as Fig. 6 B, so just existing the difference of expanded by heating extension degree due to ground floor body 311 and second layer body 312, make movable part 310 under the expanded by heating state, a plurality of the first through hole 311a on ground floor body 311 and a plurality of the second through hole 312b on second layer body 312 have formed some or all of overlapping, have namely formed a plurality of ventilation area X as shown in Fig. 6 B.In other words, movable part 310 is under the expanded by heating state, and it is in ventilative state, therefore, further, under display device expanded by heating state, above-mentioned space 320 has formed conducting by the movable part 310 that is under ventilative state with the external world, and namely this time space 320 is a ventilation space.So, the air of the moisture that space 320 contains, fog or higher temperature can both be discharged by the direction of arrow in these ventilation areas X such as Fig. 6 B, thereby effectively reduces display device in the situation of being heated, and forms the probability of fog at transparent panel 200.
The present invention has also further proposed following several embodiment except above-described embodiment, first with reference to Fig. 7, be the combination assumption diagram of another embodiment of the present invention glue frame and movable part.the difference of this embodiment and above-described embodiment is, be provided with a pair of relative opening 510a and 520a on glue frame 500, movable part 510 and 520 is separately positioned on opening 510a and 520a place, so design, when movable part 510 and 520 is in the expanded by heating state, make glue frame 500 form two ventilation areas at opening 510a and 520a place, what need to explain is, in the present embodiment, related movable part structure is identical with movable part structure described in upper one described embodiment, the ground floor body and the second layer body that also have different expansion coefficient, therefore movable part 510 and 520 is under the expanded by heating state, the first through hole that the ground floor body that they have separately and second layer body are corresponding and the second through hole equally can be some or all of overlapping, make movable part 510 and 520 be in ventilative state, the details of its forming process is same as the previously described embodiments, therefore do not give unnecessary details at this.At this moment, the air in space 530 just can form cross-ventilation up and down by outside air, has improved on the original basis the effect of exhaust demist.In addition, on the basis of this embodiment, we are not difficult to release and can also form three or four openings on the glue frames, and the design of movable part is set at corresponding opening part, also can realize the function of exhaust demist.
Again as shown in Figure 8, form the structural drawing of a framework for movable part in further embodiment of this invention.this embodiment and above-mentioned two embodiment differences are, cancelled the design of glue frame, utilize four movable parts 610, 620, 630 and 640 end to end formation one frameworks, replaced glue frame of the prior art, and the movable part in the present embodiment is identical with movable part structure described in above-mentioned two embodiment, i.e. four movable parts 610, 620, 630 and 640 all have ground floor body and the second layer body of different expansion coefficient, therefore these movable parts are under the expanded by heating state, the first through hole that the ground floor body that it has separately and second layer body are corresponding and the second through hole equally can be some or all of overlapping, make these movable parts be in ventilative state.therefore, when this " framework " is in the expanded by heating state, these four movable parts 610, 620, 630 and 640 can be respectively to direction D, direction E, it (is movable part 610 that direction F and direction G stretch, 620, 630 and 640 each self-corresponding ground floor bodies can be respectively along direction D, direction E, direction F and direction G stretch, wherein, the direction of extension of adjacent each self-corresponding ground floor body of two movable parts is mutually vertical), thereby make this " framework " be in comprehensively ventilative state, so, the moisture that space 650 contains, the air of fog or higher temperature just can be discharged from faster, thereby reach the effect of demist.
Than prior art, the present invention utilizes the design of the different expansion coefficient of movable part different layers body, coordinate again the structure with staggered through hole on two-layer body, make former confined space realize interim airing function, simply effectively reducing again display device the probability of fog occurs on transparent panel when being heated.Even occurred the situation of fog on original transparent panel, the present invention also can accelerate the discharge of fog faster.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment is only for implementing example of the present invention.Must be pointed out that, the embodiment that has disclosed does not limit the scope of the invention.On the contrary, the change of doing without departing from the spirit and scope of the present invention and retouching all belong to scope of patent protection of the present invention.

Claims (10)

1. display device is characterized in that comprising:
Show module;
Transparent panel is arranged at above the demonstration module, and this transparent panel has lateral surface and medial surface, and this medial surface shows module with respect to this;
The glue frame is arranged between this transparent panel and this demonstration module, shows module in order to spaced apart this transparent panel and this, has at least one opening on this glue frame;
Movable part, correspondence is arranged on this opening part, this movable part has double-decker, comprise ground floor body and second layer body, this ground floor body is arranged at the upper strata of this second layer body, this ground floor body is provided with a plurality of the first through holes, and this second layer body is provided with a plurality of the second through holes, and these a plurality of first through holes and the second through hole are in the dislocation; And
Housing is positioned on this lateral surface of this transparent panel, in order to coat this transparent panel and this demonstration module;
Wherein, this glue frame and this movable part have surrounded a space, and this movable part is when original state, and these a plurality of first through holes and the second through hole zero lap are regional, make this space become a confined space; During this movable part expanded by heating, this ground floor body stretches with respect to this second layer body, thereby these a plurality of first through holes and the second through hole at least part of overlapping a plurality of ventilation areas that form cause this space to become a ventilation space.
2. display device as claimed in claim 1, is characterized in that this glue frame has two openings that are oppositely arranged, and when this movable part expanded by heating, these two openings make the air in this space form convection current.
3. display device as claimed in claim 1 or 2, is characterized in that this transparent panel is strengthening glass sheets or contact panel.
4. display device as claimed in claim 1 or 2, is characterized in that growing on this limit, second layer side snap fit in order to locate this ground floor body, makes this ground floor body be limited in unidirectional stretching, extension in horizontal plane.
5. display device as claimed in claim 1 or 2, is characterized in that an end of this ground floor body is fixed on this second layer body, and the direction when making this ground floor body stretch is unidirectional.
6. display device as claimed in claim 1 or 2, is characterized in that this ground floor body has the first expansion coefficient, and this second layer body has the second expansion coefficient, and this first expansion coefficient is greater than this second expansion coefficient.
7. display device is characterized in that comprising:
Show module;
Transparent panel is arranged at above the demonstration module, and this transparent panel has lateral surface and medial surface, and this medial surface shows module with respect to this;
Four movable parts, end to end formation one framework is arranged between this transparent panel and this demonstration module, shows module in order to spaced apart this transparent panel and this; And
Housing is positioned on this lateral surface of this transparent panel, in order to coat this transparent panel and this demonstration module;
Wherein, this movable part has double-decker, comprise ground floor body and second layer body, this ground floor body is arranged at the upper strata of this second layer body, and this ground floor body is provided with a plurality of the first through holes, and this second layer body is provided with a plurality of the second through holes, these a plurality of first through holes and the second through hole are in the dislocation, this movable part is when original state, and these a plurality of first through holes and the second through hole zero lap are regional, and a space that makes this glue frame and this movable part surround becomes a confined space; During this movable part expanded by heating, this ground floor body stretches with respect to this second layer body, thereby these a plurality of first through holes and the second through hole at least part of overlapping a plurality of ventilation areas that form cause this space to become a ventilation space.
8. display device as claimed in claim 7, is characterized in that this transparent panel is strengthening glass sheets or contact panel.
9. display device as claimed in claim 7, it is characterized in that growing on this limit, second layer side snap fit in order to locate this ground floor body, make this ground floor body be limited in unidirectional stretching, extension in horizontal plane, when this movable part expanded by heating, the direction of extension of adjacent two each self-corresponding these ground floor bodies of this movable part is mutually vertical.
10. display device as claimed in claim 7, is characterized in that this ground floor body has the first expansion coefficient, and this second layer body has the second expansion coefficient, and this first expansion coefficient is greater than this second expansion coefficient.
CN201310079021.2A 2013-03-13 2013-03-13 Display device provided with exhaust and demisting structure Expired - Fee Related CN103150968B (en)

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CN103150968B CN103150968B (en) 2015-04-29

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103415179A (en) * 2013-06-18 2013-11-27 苏州佳世达电通有限公司 Radiating buffer device and display device
CN103956121A (en) * 2014-04-29 2014-07-30 苏州佳世达电通有限公司 Display device
CN104766542A (en) * 2015-03-30 2015-07-08 苏州佳世达电通有限公司 Display device
CN107705725A (en) * 2017-09-18 2018-02-16 嘉捷科技(福清)有限公司 A kind of anti-fog display device
CN109377869A (en) * 2018-10-18 2019-02-22 信利光电股份有限公司 A kind of applying method and display module of backlight

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CN101414075A (en) * 2007-10-18 2009-04-22 奇美电子股份有限公司 LCD device and backlight module
CN101866585A (en) * 2010-04-13 2010-10-20 深圳市锐拓显示技术有限公司 Pressure balancer for LED display screen
JP2011133783A (en) * 2009-12-25 2011-07-07 Alpine Electronics Inc Liquid crystal display device
CN202330932U (en) * 2011-10-23 2012-07-11 江苏捷诚车载电子信息工程有限公司 Liquid crystal display

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101044427A (en) * 2004-08-18 2007-09-26 索尼株式会社 Heat radiator and display unit
CN101414075A (en) * 2007-10-18 2009-04-22 奇美电子股份有限公司 LCD device and backlight module
JP2011133783A (en) * 2009-12-25 2011-07-07 Alpine Electronics Inc Liquid crystal display device
CN101866585A (en) * 2010-04-13 2010-10-20 深圳市锐拓显示技术有限公司 Pressure balancer for LED display screen
CN202330932U (en) * 2011-10-23 2012-07-11 江苏捷诚车载电子信息工程有限公司 Liquid crystal display

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103415179A (en) * 2013-06-18 2013-11-27 苏州佳世达电通有限公司 Radiating buffer device and display device
CN103415179B (en) * 2013-06-18 2016-06-29 苏州佳世达电通有限公司 A kind of heat radiation buffer unit and display device
CN103956121A (en) * 2014-04-29 2014-07-30 苏州佳世达电通有限公司 Display device
CN104766542A (en) * 2015-03-30 2015-07-08 苏州佳世达电通有限公司 Display device
CN107705725A (en) * 2017-09-18 2018-02-16 嘉捷科技(福清)有限公司 A kind of anti-fog display device
CN109377869A (en) * 2018-10-18 2019-02-22 信利光电股份有限公司 A kind of applying method and display module of backlight

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