CN103150968B - Display device provided with exhaust and demisting structure - Google Patents
Display device provided with exhaust and demisting structure Download PDFInfo
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- CN103150968B CN103150968B CN201310079021.2A CN201310079021A CN103150968B CN 103150968 B CN103150968 B CN 103150968B CN 201310079021 A CN201310079021 A CN 201310079021A CN 103150968 B CN103150968 B CN 103150968B
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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
Technical field
The present invention relates to a kind of display unit, especially a kind of display unit with exhaust defrosting function.
Background technology
In the application of existing display unit, as shown in Figure 1 and Figure 2, be stereogram and the structural blast figure of display unit in prior art.Display unit 1 comprises shell 10, transparent panel 20, glue frame 30 and display module 40, and shell 10 can complete coated transparent panel 20 and display module 40; Transparent panel 20 is arranged at the front of display module 40, in order to protection display module 40, also can play dust-proof effect simultaneously; Glue frame 30 is arranged between transparent panel 20 and display module 40, prevents transparent panel 20 from contacting with display the direct of module 40.Further with reference to figure 3A and 3B, to be respectively in Fig. 1 display unit along the partial enlarged drawing of corresponding C ' position in the sectional view and Fig. 3 A in CC direction, due to closed rectangular-shaped of glue frame 30 one-tenth, so it defines a confined space 50 between transparent panel 20 and display module 40, and the air wherein containing certain humidity, so when show module 40 work a period of time heating cause surface temperature rise or transparent panel 20 lateral surface 21 temperature decline time, namely the air in confined space 50 with certain humidity can form fog on the medial surface of transparent panel 20, thus the display effect of impact display module 40, the globule of its excessive coagulation more likely causes the damage of its inner member.
Therefore, in order to address this problem, common way has mode of heating, around transparent panel 20 or medial surface attaches superfine heating wire, heats transparent panel 20, promotes the temperature of medial surface, makes steam not easily condensation.But for existing display unit, its size design is towards compact, and inner space is limited, not easily additionally increases heating wire and drive the circuit required for heating wire.And also need, with extra battery-operated, require high to low power consumption for heater circuit, use heating wire to increase power consumption, and do not meet the demand of existing display unit development.Also have and carry out plated film or gloomy as chemical agent for transparent panel 20, change the interface characteristic on strengthening glass sheets surface, steam is not easily condensed.But plated film or to infiltrate chemical agent Expenses Cost higher, and it can only delay steam rate of setting, after long-time operation, still can build up moisture, thoroughly cannot remove fog.So how to design a display unit with the exhaust Defrosting structure of the simple and practical low cost again theme that will study of the present invention just.
Summary of the invention
In order to solve the problem, the present invention have devised a kind of display unit with exhaust Defrosting structure.
The invention discloses a kind of display unit, it comprises: display module; Transparent panel, be arranged at above display module, this transparent panel has lateral surface and medial surface, and this medial surface is relative to this display module; Glue frame, is arranged between this transparent panel and this display module, in order to this transparent panel spaced apart and this display module, this glue frame has at least one opening; 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 first through hole, and this second layer body is provided with a plurality of second through hole, this plurality of first through hole and the second through hole in the dislocation; And housing, be positioned on this lateral surface of this transparent panel, in order to this transparent panel coated and this display module;
Wherein, this glue frame and this movable part define a space, and this movable part is when original state, and this plurality of first through hole and the second through hole zero lap region, make this space become a confined space; During this movable part expanded by heating, this ground floor body stretches relative to this second layer body, and this plurality of first through hole and the second through hole are overlapping at least partly thus form a plurality of ventilation area, causes this space to become a ventilation space.
Alternatively, in described display unit, this glue frame has two openings be 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, this limit, second layer side grows snap fit in order to locate this ground floor body, make this ground floor body be limited in unidirectional stretching, extension in horizontal plane.
Preferably, one end of this ground floor body is fixed on this second layer body, and direction when this ground floor body is stretched is unidirectional.
Preferably, this ground floor body has first coefficient of expansion, and this second layer body has second coefficient of expansion, and this first coefficient of expansion is greater than this second coefficient of expansion.
In addition, the invention also discloses another kind of display unit, it comprises: display module; Transparent panel, be arranged at above display module, this transparent panel has lateral surface and medial surface, and this medial surface is relative to this display module; Four movable parts, end to end formation one framework, is arranged between this transparent panel and this display module, in order to this transparent panel spaced apart and this display module; And housing, be positioned on this lateral surface of this transparent panel, in order to this transparent panel coated and this display 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 first through hole, and this second layer body is provided with a plurality of second through hole, this a plurality of first through hole and the second through hole in the dislocation, this movable part when original state, this plurality of first through hole and the second through hole zero lap region, the space that above-mentioned four movable parts are surrounded becomes a confined space; During this movable part expanded by heating, this ground floor body stretches relative to this second layer body, and this plurality of first through hole and the second through hole are overlapping at least partly thus form a plurality of ventilation area, causes this space to become a ventilation space.
Preferably, this transparent panel is strengthening glass sheets or contact panel.
Preferably, this limit, second layer side grows 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 each this ground floor body self-corresponding of adjacent two this movable parts is mutually vertical.
Preferably, this ground floor body has first coefficient of expansion, and this second layer body has second coefficient of expansion, and this first coefficient of expansion is greater than this second coefficient of expansion.
Compared with prior art, the present invention utilizes the design of the different coefficient of expansion of movable part different layers body, coordinate with the structure of staggered vias on two-layer body again, making former confined space achieve interim airing function, effectively reducing simply again the probability that display unit when being heated, transparent panel occurs fog.Even original transparent panel has occurred the situation of fog, the present invention also can accelerate the discharge of fog faster.
Accompanying drawing explanation
Fig. 1 is the stereogram of display unit in prior art;
The structural blast figure that Fig. 2 is display unit shown in Fig. 1;
Fig. 3 A be in Fig. 1 display unit along the sectional view in CC direction;
Fig. 3 B is the partial enlarged drawing of corresponding C ' position in Fig. 3 A;
Fig. 4 A is the structural blast figure of display unit in one embodiment of the invention;
Fig. 4 B is the side sectional view of display unit 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 sectional view in AA direction;
State diagram when Fig. 6 A is movable part expanded by heating in one embodiment of the invention;
Fig. 6 B be in Fig. 6 A movable part along the sectional view in 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 structure chart that in further embodiment of this invention, movable part forms a framework.
Detailed description of the invention
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated 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 the structural blast figure of display unit in one embodiment of the invention, side sectional view and Fig. 4 B.Display unit in this embodiment comprises display module 400, in order to show image document; Transparent panel 200, be arranged at the top of display module 400, it has lateral surface 210 and medial surface 220, and medial surface 200 is relative to display module 400, in the present embodiment, transparent panel 200 is one piece of strengthening glass sheets, in order to protection display module 400, but in actual applications, this transparent panel 200 also can be contact panel, acrylic board or other do not affect the clear sheet of display module 400 image display effect; Glue frame 300, is arranged between transparent panel 200 and display module 400, in order to spaced apart transparent panel 200 and display module 400, and in the present embodiment, glue frame 300 has an opening 300a; Movable part 310, be arranged on the opening 300a place of glue frame 300, movable part 310 and glue frame 300 is made to define a framework, again because transparent panel 200 after display unit assembling is close to glue frame 300 and movable part 310 with display module 400, so define a space 320 in the framework inside that movable part 310 and glue frame 300 surround, as shown in Figure 4 C.
Further with reference to Fig. 5 A, 5B, to be respectively in the original state figure of movable part in one embodiment of the invention and Fig. 5 A movable part along the sectional view in AA direction.The movable part 310 designed in the present invention has double-deck long strip type material, it comprises ground floor body 311 and second layer body 322, a pair snap fit 3121 and 3122 has been grown at an opposite side of second layer body 322, in order to limit the space of ground floor body 311 by hot stretched, make it on left and right directions as shown in Figure 5 B, hot stretched can only occur, but, snap fit design mentioned here also can be replaced by other location structures, is not limited thereto.But it is preferred, one end 3112 of ground floor body 311 is the corresponding end being fixed on second layer body 312 in the present embodiment, its fixed form can be bondd by colloid or other mechanical fixing means, 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, direction is to the right the direction of extension of ground floor body 311.In addition, ground floor body 311 is provided with a plurality of first through hole 311a, in one line in above-mentioned direction of extension, same, second layer body 312 is also provided with plurality of through holes in above-mentioned direction of extension, referred to herein as the second through hole 312b, it is worth mentioning that, this a plurality of first through hole 311a and a plurality of second through hole 312b is crisscross arranged, thus, refer again to Fig. 5 A, 5B, in an initial condition, first through hole 311a and the second through hole 312b does not have overlapping region, therefore this movable part 310 is in airtight state in an initial condition, therefore, further, in an initial condition, above-mentioned space 320 cannot form conducting with the external world, be a confined space.In addition, need explain time, generally, when movable part 310 being arranged at the opening 300a place on glue frame 300, second layer body 312 bottom surface and glue frame 300 is preferably made to 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 limit at this, it can be determined according to actual conditions.
Under normal circumstances, along with the continuous firing of display module 400, its ambient air temperature can rise thereupon, so the air themperature in above-mentioned space 320 also will inevitably rise, but now the temperature of the lateral surface 210 of transparent panel 200 is also in a normality temperature, 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 can there is deformation in movable part 310 under heating status, concrete reference Fig. 6 A and 6B, in state diagram when being respectively movable part expanded by heating in one embodiment of the invention and Fig. 6 A, movable part is along the sectional view in BB direction.When showing the heating of module 400 continuous firing and making peripheral temperature increase, movable part 310 namely can expanded by heating, i.e. ground floor body 311 and second layer body 312 meeting expanded by heating, ground floor body 311 has the first coefficient of expansion T1 in the present embodiment, second layer body 312 has the second coefficient of expansion T2, and the first coefficient of expansion T1 is greater than second layer coefficient of volume expansion T2, therefore when expanded by heating occurs to stretch for ground floor body 311 and second layer body 312 simultaneously, ground floor body 311 can be longer compared to the length that second layer body 312 stretches, again because second layer body 312 is opening 300a places of being fixed on glue frame 300, so ground floor body 311 can be more obvious relative to the relative extension degree that second layer body 312 expands.As shown in Fig. 6 A, 6B, the other end 3111 of ground floor body 311 can stretch along such as Fig. 6 B right direction, so just because ground floor body 311 and second layer body 312 also exist the difference of expanded by heating extension degree, make movable part 310 under expanded by heating state, a plurality of first through hole 311a on ground floor body 311 defines some or all of overlapping with a plurality of second through hole 312b on second layer body 312, namely defines a plurality of ventilation area X as shown in Figure 6B.In other words, movable part 310 is under expanded by heating state, and it is in ventilative state, therefore, further, under display unit expanded by heating state, above-mentioned space 320 defines conducting by the movable part 310 be under ventilative state with the external world, and namely this time space 320 is a ventilation space.So, the air of the moisture contained in space 320, fog or higher temperature by these ventilation areas X as the direction of arrow in Fig. 6 B is discharged, thus can both effectively reduce display unit in the situation of being heated, and forms the probability of fog at transparent panel 200.
The present invention in addition to the embodiments described above, also further proposes following several embodiment, first with reference to Fig. 7, is 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, glue frame 500 is provided with a pair relative opening 510a and 520a, movable part 510 and 520 is separately positioned on opening 510a and 520a place, design like this, when movable part 510 and 520 is in expanded by heating state, glue frame 500 is made to define two ventilation areas at opening 510a and 520a place, what needs explained is, movable part structure involved in the present embodiment is identical with the movable part structure described in embodiment described in upper, also there is ground floor body and the second layer body of the different coefficient of expansion, therefore movable part 510 and 520 is under expanded by heating state, the ground floor body that they have separately and the first through hole corresponding to second layer body and the second through hole equally can some or all of overlaps, movable part 510 and 520 is made to be in ventilative state, the details of its forming process is same as the previously described embodiments, therefore do not repeat at this.Now, the air in space 530 just can form upper and lower cross-ventilation by outside air, improves the effect of exhaust demist on the original basis.In addition, on the basis of this embodiment, we can also form three or four openings at release of being not difficult on glue frame, and arrange the design of movable part at corresponding opening part, also can realize the function being vented demist.
Again as shown in Figure 8, for movable part in further embodiment of this invention forms the structure chart of a framework.This embodiment and above-mentioned two embodiment differences are, eliminate the design of glue frame, utilize four movable parts 610, 620, 630 and 640 end to end formation one frameworks, instead of glue frame of the prior art, and movable part in the present embodiment is identical with the movable part structure described in above-mentioned two embodiments, i.e. four movable parts 610, 620, 630 and 640 ground floor body and the second layer bodies all with the different coefficient of expansion, therefore these movable parts are under expanded by heating state, the ground floor body that it has separately and the first through hole corresponding to second layer body and the second through hole equally can some or all of overlaps, these movable parts are made to be in ventilative state.Therefore, when this " framework " is in expanded by heating state, these four movable parts 610, 620, 630 and 640 can respectively to direction D, direction E, direction F and direction G stretches (i.e. movable part 610, 620, 630 and 640 each self-corresponding ground floor bodies can respectively along direction D, direction E, direction F and direction G stretches, wherein, the direction of extension of each self-corresponding ground floor body of adjacent two movable part is mutually vertical), thus make this " framework " be in comprehensively ventilative state, so, the moisture contained in space 650, the air of fog or higher temperature just can be discharged faster, thus reach the effect of demist.
Compared to prior art, the present invention utilizes the design of the different coefficient of expansion of movable part different layers body, coordinate with the structure of staggered vias on two-layer body again, making former confined space achieve interim airing function, effectively reducing simply again the probability that display unit when being heated, transparent panel occurs fog.Even original transparent panel has occurred the situation of fog, the present invention also can accelerate the discharge of fog faster.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done 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. a display unit, is characterized in that comprising:
Display module;
Transparent panel, be arranged at above display module, this transparent panel has lateral surface and medial surface, and this medial surface is relative to this display module;
Glue frame, is arranged between this transparent panel and this display module, in order to this transparent panel spaced apart and this display module, this glue frame has at least one opening;
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 first through hole, and this second layer body is provided with a plurality of second through hole, this plurality of first through hole and the second through hole in the dislocation; And
Housing, is positioned on this lateral surface of this transparent panel, in order to this transparent panel coated and this display module;
Wherein, this glue frame and this movable part define a space, and this movable part is when original state, and this plurality of first through hole and the second through hole zero lap region, make this space become a confined space; During this movable part expanded by heating, this ground floor body stretches relative to this second layer body, and this plurality of first through hole and the second through hole are overlapping at least partly thus form a plurality of ventilation area, causes this space to become a ventilation space.
2. display unit as claimed in claim 1, is characterized in that this glue frame has two openings be oppositely arranged, and when this movable part expanded by heating, these two openings make the air in this space form convection current.
3. display unit as claimed in claim 1 or 2, is characterized in that this transparent panel is strengthening glass sheets or contact panel.
4. display unit as claimed in claim 1 or 2, is characterized in that this limit, second layer side growing 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 unit as claimed in claim 1 or 2, it is characterized in that one end of this ground floor body is fixed on this second layer body, direction when this ground floor body is stretched is unidirectional.
6. display unit as claimed in claim 1 or 2, it is characterized in that this ground floor body has first coefficient of expansion, this second layer body has second coefficient of expansion, and this first coefficient of expansion is greater than this second coefficient of expansion.
7. a display unit, is characterized in that comprising:
Display module;
Transparent panel, be arranged at above display module, this transparent panel has lateral surface and medial surface, and this medial surface is relative to this display module;
Four movable parts, end to end formation one framework, is arranged between this transparent panel and this display module, in order to this transparent panel spaced apart and this display module; And
Housing, is positioned on this lateral surface of this transparent panel, in order to this transparent panel coated and this display 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 first through hole, and this second layer body is provided with a plurality of second through hole, this a plurality of first through hole and the second through hole in the dislocation, this movable part when original state, this plurality of first through hole and the second through hole zero lap region, the space that above-mentioned four movable parts are surrounded becomes a confined space; During this movable part expanded by heating, this ground floor body stretches relative to this second layer body, and this plurality of first through hole and the second through hole are overlapping at least partly thus form a plurality of ventilation area, causes this space to become a ventilation space.
8. display unit as claimed in claim 7, is characterized in that this transparent panel is strengthening glass sheets or contact panel.
9. display unit as claimed in claim 7, it is characterized in that this limit, second layer side growing snap fit in order to locate this ground floor body, this ground floor body is made to be limited in unidirectional stretching, extension in horizontal plane, when this movable part expanded by heating, the direction of extension of each this ground floor body self-corresponding of adjacent two this movable parts is mutually vertical.
10. display unit as claimed in claim 7, it is characterized in that this ground floor body has first coefficient of expansion, this second layer body has second coefficient of expansion, and this first coefficient of expansion is greater than this second coefficient of expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079021.2A CN103150968B (en) | 2013-03-13 | 2013-03-13 | Display device provided with exhaust and demisting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079021.2A CN103150968B (en) | 2013-03-13 | 2013-03-13 | Display device provided with exhaust and demisting structure |
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| Publication Number | Publication Date |
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| CN103150968A CN103150968A (en) | 2013-06-12 |
| CN103150968B true CN103150968B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310079021.2A Expired - Fee Related CN103150968B (en) | 2013-03-13 | 2013-03-13 | Display device provided with exhaust and demisting structure |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104766542B (en) * | 2015-03-30 | 2017-11-07 | 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4706206B2 (en) * | 2004-08-18 | 2011-06-22 | ソニー株式会社 | Heat dissipation device and display device |
| CN101414075B (en) * | 2007-10-18 | 2013-08-21 | 群创光电股份有限公司 | LCD device and backlight module |
| JP2011133783A (en) * | 2009-12-25 | 2011-07-07 | Alpine Electronics Inc | Liquid crystal display device |
| CN101866585B (en) * | 2010-04-13 | 2012-06-20 | 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 |
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