CN101694552B - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN101694552B CN101694552B CN2009102067077A CN200910206707A CN101694552B CN 101694552 B CN101694552 B CN 101694552B CN 2009102067077 A CN2009102067077 A CN 2009102067077A CN 200910206707 A CN200910206707 A CN 200910206707A CN 101694552 B CN101694552 B CN 101694552B
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Abstract
The invention provides a liquid crystal display device which comprises a light guide plate, a plurality of first light-emitting elements adjacent to the light guide plate, a plurality of first heat dissipation structures coupled with the first light-emitting elements, a first chamber adjacent to the first light-emitting elements, a pair of first openings arranged at the first chamber, a first valve, a second valve and a first sound source device adjacently connected with the wall of the first chamber. The first heat dissipation structures are configured in the first chamber. The first valve is adjacently arranged at one of the first openings, and the second valve is adjacently arranged at the other first opening; the first valve is constructed so as to allow air to flow to the outside of the first chamber through the corresponding first opening; and the second valve is constructed so as to allow air to flow to the inside of the first chamber through the corresponding first opening. In the invention, the air in the chamber can be led to flow so as to further generate the forced-convection heat dissipation effect, and the fan can be omitted, thus having the advantages of electricity saving, no noise and the like.
Description
Technical field
The invention relates to a kind of liquid crystal indicator, particularly the liquid crystal indicator that dispels the heat about a kind of vibration that utilizes a sound source.
Background technology
Because to power saving and there is not the requirement of mercury evil etc., will be at present as the cold cathode fluorescent lamp (Cold Cathode Fluorescent Lamp) of the main light source of LCD (Liquid CrystalDisplay) with the practice that light emitting diode (Light Emitting Diode) replaces, little by little become a kind of new development trend.Yet because the luminescence efficiency of light emitting diode is relevant with the temperature of life-span and light emitting diode, so the use of light emitting diode is accompanied by the problem that solves its radiating requirements.
For avoiding too high its performance that influences of luminous diode temperature, traditionally light emitting diode is arranged on the heat radiator, utilize heat radiator to dispel the heat, produce the situation that efficient is not good or life cycle shortens to prevent light emitting diode.Yet owing to heat radiator dispels the heat with natural convection, so its heat-sinking capability is limited, the heat radiation task of the light emitting diode of the higher-wattage of can't loading.
Moreover for improving the heat-sinking capability of heat radiator, the mode that often adopts the collocation fan makes heat radiator maintain bigger thermograde to increase the air-flow by heat radiator, improves heat conducting speed by this.But the use of fan is except meeting increases power consumption, and it more is easy to generate the noise that makes us unhappy.
Owing in the available liquid crystal display, use the heat dissipation design of light emitting diode as light source, do not reach perfection yet, therefore be necessary it is improved.
Summary of the invention
The liquid crystal indicator of one embodiment of the invention comprises a light guide plate, a plurality of first light-emitting component, a plurality of first radiator structure, first cavity, a pair of first perforate, first valve, second valve and first sound source.Described first light-emitting component is coupled to described first radiator structure and is adjacent to this light guide plate, and first cavity is adjacent to described first light-emitting component, and wherein said first radiator structure is disposed in this first cavity.First perforate is arranged on this first cavity, first valve is adjacent to one of described first perforate, and second valve is adjacent to another person of described first perforate, wherein first valve is flowed to this first cavity outside to allow air via corresponding first perforate by construction, and second valve is flowed to first inside cavity to allow air via corresponding first perforate by construction.First sound source is adjacent to the chamber wall of this first cavity, is used to vibrate air in first cavity.
The liquid crystal indicator of another embodiment of the present invention comprises a backboard, a circuit board, a plurality of light-emitting component, first valve, second valve and first sound source.Backboard has at least one first perforate and at least one second perforate, and wherein this first perforate and this second perforate are arranged at the relative both sides of this backboard.Circuit board and backboard are provided with at interval, to form a cavity.A plurality of light-emitting components are arranged at this circuit board surface of this backboard dorsad.First valve is adjacent to this first perforate, and this first valve is flowed to this cavity outside to allow air via this first perforate by construction.Second valve is adjacent to this second perforate, and this second valve is flowed to this cavity inside to allow air via this second perforate by construction.First sound source is the chamber wall that is adjacent to this first cavity, is used to vibrate air in first cavity.
The present invention utilizes a pair of one-way cock that only allows fluid to advance or go out, and described valve is arranged on the cavity of accommodating the radiator structure that is coupled to light-emitting component, cooperate the sound source vibrate air, make the air flow in the cavity, and then produce the heat biography effect of forced convertion.The present invention can omit fan, therefore has advantages such as power saving, noiselessness.
Description of drawings
Figure 1A and Figure 1B show the synoptic diagram of the liquid crystal indicator of first embodiment of the invention;
Fig. 2 shows the synoptic diagram of the liquid crystal indicator of second embodiment of the invention;
Fig. 3 shows the synoptic diagram of the liquid crystal indicator of third embodiment of the invention;
Fig. 4 shows the synoptic diagram of the liquid crystal indicator of fourth embodiment of the invention;
Fig. 5 shows the synoptic diagram of the liquid crystal indicator of fifth embodiment of the invention;
Fig. 6 displayed map 5 is along the diagrammatic cross-section of A-A profile line;
Fig. 7 shows the schematic perspective view of the valve of one embodiment of the invention;
The schematic side view of Fig. 8 displayed map 7;
Fig. 9 shows the schematic perspective view of the valve of first embodiment of the invention;
Figure 10 shows the schematic perspective view of the valve of second embodiment of the invention;
Figure 11 shows the schematic perspective view of the valve of third embodiment of the invention; And
Figure 12 shows the schematic perspective view of the valve of third embodiment of the invention.
Drawing reference numeral:
1 to 5 liquid crystal indicator
6 to 10 valves
11 light guide plate
12 first light-emitting components
13 first radiator structures
14 first cavitys
15 first perforates
16 first valves
17 second valves
18 first sound sources
19 terminal parts
22 second light-emitting components
23 second radiator structures
24 second cavitys
25 second perforates
26 the 3rd valves
27 the 4th valves
28 second sound sources
29 terminal parts
31 plates
32 hinges
33 cushions
34 limiting structures
51 circuit boards
52 light-emitting components
53 backboards
54 first perforates
55 second perforates
56 cavitys
57 distance pieces
71 diaphragms
72 frameworks
73 connecting portions
74 connecting portions
181,291 ends
321 pivots
721 recesses
722 perforates
Embodiment
Figure 1A and Figure 1B show the synoptic diagram of the liquid crystal indicator 1 of first embodiment of the invention.The liquid crystal indicator 1 of present embodiment comprises a light guide plate 11, a plurality of first light-emitting component 12, a plurality of first radiator structure 13, first cavity 14, a pair of first perforate 15, first valve 16, second valve 17 and first sound source 18.
Shown in Figure 1A and Figure 1B, a plurality of first light-emitting components 12 are adjacent to a side of light guide plate 11, and by construction with towards light guide plate 11 with projection side to light inlet.Light guide plate 11 shows required area source with the diffusion of side direction incident light so that liquid crystal indicator 1 to be provided.A plurality of first radiator structures 13 are respectively coupled to described first light-emitting component 12, and the thermal conductance that described first light-emitting component 12 is produced goes out by this, cause its luminescence efficiency impairment to avoid described first light-emitting component 12 because of high temperature.
In special words, first radiator structure 13 can comprise radiating fin, and wherein said radiating fin can be inserted within first cavity 14, and above-mentioned radiator structure only is for example, also can be according to the actual demand adjustment.In addition, in the present embodiment, first cavity 14 can comprise two relative terminal parts 19, and described first perforate 15 can be respectively adjacent to and is arranged at this two terminal part 19, to drive the air flow in whole first cavity 14.Wherein, described first perforate 15 can directly be disposed at described terminal part 19 respectively, and it is more smooth and easy to ventilate.In addition, in the present embodiment, described first perforate 15 and described first light-emitting component 12 can be arranged at the relative both sides of first cavity 14.Yet, the invention is not restricted to this, also can adjust the position of first perforate and first light-emitting component according to actual demand.
Refer again to shown in Figure 1A and Figure 1B, first sound source 18 is adjacent to the chamber wall of first cavity 14, and an end 181 of first sound source 18 can and be embedded in first cavity 14 towards a terminal part 19 of first cavity 14.Utilize the air in first sound source, 18 vibrations, first cavity 14, cooperate the uniflux design of first valve 16 and second valve 17, the air in first cavity 14 can be flowed on single direction glibly.By the air flow in first sound source, 18 drives, first cavity 14, the moving air of specific direction produces the radiating effect of forced convertions through described first radiator structure 13, thereby improves the radiating efficiency of first radiator structure 13.Other says it, first sound source 18 can send the sound that people's ear can be heard frequency, or send the sound that people's ear be can't hear frequency, that is to say that first sound source 18 can be the voice output of liquid crystal indicator, for instance, when audio-visual broadcast, can arrange in pairs or groups and send the discernible sound of people's ear, when only having image to play, can send the sound that people's ear be can't hear frequency.In one embodiment, first sound source 18 can comprise voice coil motor.
It should be noted that, can carry out back and forth movement during 18 runnings of first sound source, with reference to Figure 1A, when the sound basin (not shown) of first sound source 18 moves right, thermal current in first cavity 14 can be subjected to pulling force to the right, and second valve 17 is opened, and introduces cool ambient air, at this moment, first valve 16 is in closed condition.With reference to Figure 1B, when the sound basin (not shown) of first sound source 18 during to left movement, the thermal currents in first cavity 14 can be subjected to pulling force left, and first valve 16 is opened, and derive thermal current, and at this moment, second valve 17 is in closed condition.So, can carry out back and forth movement repeatedly, form an initiatively system of convection current, can effectively reduce the temperature of light-emitting component at first sound source 18.
Fig. 2 shows the synoptic diagram of the liquid crystal indicator 2 of second embodiment of the invention.The liquid crystal indicator 2 of present embodiment comprises a light guide plate 11, a plurality of first light-emitting component 12, a plurality of second light-emitting component 22, a plurality of first radiator structure 13, a plurality of second radiator structure 23, first cavity 14, second cavity 24, a pair of first perforate 15, a pair of second perforate 25, first valve 16, second valve 17, the 3rd valve 26, the 4th valve 27, first sound source 18 and second sound source 28.
With reference to shown in Figure 2, a plurality of first light-emitting components 12 are arranged at the relative both sides of light guide plate 11 respectively with a plurality of second light-emitting components 22, and be adjacent to light guide plate 11 with projection side to light inlet.A plurality of first radiator structures 13 are respectively coupled to first light-emitting component 12; And a plurality of second radiator structures 23 are respectively coupled to second light-emitting component 22.First cavity 14 and second cavity 24 neighbour are respectively established described first light-emitting component 12 and described second light-emitting component 22, and wherein said first radiator structure 13 is disposed in first cavity 14, and described second radiator structure 23 is disposed in second cavity 24.In this case embodiment, first radiator structure 13 and second radiator structure 23 can comprise radiating fin, and it can be inserted in respectively within first cavity 14 and second cavity 24, and above-mentioned radiator structure only is for example, also can be according to the actual demand adjustment.
Refer again to shown in Figure 2ly, described first perforate 15 is arranged on first cavity 14, and described second perforate 25 is arranged on second cavity 24.Accordingly, first valve 16 and second valve 17 are adjacent to described first perforate 15 respectively, and the 3rd valve 26 and the 4th valve 27 are adjacent to described second perforate 25 respectively, and wherein first valve 16 is flowed to the outside of this first cavity 14 by construction to allow air via corresponding this first perforate 15; Second valve 17 is flowed to the inside of this first cavity 14 by construction to allow air via corresponding this first perforate 15; The 3rd valve 26 is flowed to the outside of this second cavity 24 by construction to allow air via corresponding this second perforate 25; The 4th valve 27 is flowed to the inside of this second cavity 24 by construction to allow air via corresponding this second perforate 25.
Sound source can be adjacent to the chamber wall of cavity, for example an end 181 of first sound source 18 is towards a terminal part 19 and be embedded in first cavity 14, for example second sound source 28 can be arranged at outside second cavity 24 again, and one end 291 can and be embedded in second cavity 24 on second cavity 24.
In special words, described first perforate 15 can be respectively adjacent to the two relative terminal parts 19 that are arranged at first cavity 14, for example configurable in the chamber wall of terminal part 19 adjacency; Described second perforate 25 can be respectively adjacent to two terminal parts 29 that are arranged at second cavity 24, and is for example configurable in described terminal part 29 places.As previously mentioned, first sound source 18 and second sound source 28 can send the sound that people's ear can be heard frequency, or send the sound that people's ear be can't hear frequency.In one embodiment, first sound source 18 and second sound source 28 can comprise voice coil motor.
Fig. 3 shows the synoptic diagram of the liquid crystal indicator 3 of third embodiment of the invention.The liquid crystal indicator 3 of present embodiment comprises a light guide plate 11, a plurality of first light-emitting component 12, a plurality of second light-emitting component 22, a plurality of first radiator structure 13, a plurality of second radiator structure 23, first cavity 14, second cavity 24, a pair of first perforate 15, a pair of second perforate 25, first valve 16, second valve 17, the 3rd valve 26, the 4th valve 27, first sound source 18 and second sound source 28.
With reference to shown in Figure 3, a plurality of first light-emitting components 12 are arranged at the adjacent dual-side of light guide plate 11, and a plurality of second light-emitting component 22 is arranged at the other adjacent dual-side of light guide plate 11.A plurality of first radiator structures 13 couple first light-emitting component 12 respectively, and a plurality of second radiator structure 23 couples second light-emitting component 22 respectively.First cavity 14 and second cavity 24 are adjacent to described first light-emitting component 12 and described second light-emitting component 22 accordingly, and wherein said first radiator structure 13 is disposed in first cavity 14, and described second radiator structure 23 is disposed in second cavity 24.In this case embodiment, first radiator structure 13 and second radiator structure 23 can comprise radiating fin, and it is inserted within first cavity 14 and second cavity 24 accordingly, and above-mentioned radiator structure only is for example, also can be according to the actual demand adjustment.
Described first perforate 15 is arranged on first cavity 14, first valve 16 and second valve 17 are adjacent to described first perforate 15 respectively, because first valve 16 and second valve 17 only allow air to go out, advance first cavity 14 respectively, make in first cavity 14 and can form unidirectional round air flow; Described second perforate 25 is arranged on second cavity 24, the 3rd valve 26 and the 4th valve 27 are adjacent to described second perforate 25 respectively, because the 3rd valve 26 and the 4th valve 27 only allow air to go out, advance second cavity 24 respectively, make in second cavity 24 and can form unidirectional round air flow.
Sound source can be adjacent to the chamber wall of cavity, and for example first sound source 18 can be arranged at outside first cavity 14, and one end 181 inwardly, and is embedded in first cavity 14.For example second sound source 28 can be arranged in second cavity 24 again, and one end 291 can be outside second cavity 24, and is embedded on second cavity 24.
In special words, described first perforate 15 can be respectively adjacent to the two relative terminal parts 19 that are arranged at first cavity 14, for example configurable in the chamber wall of terminal part 19 adjacency; Described second perforate 25 can be respectively adjacent to two terminal parts 29 that are arranged at second cavity 24, for example configurable in the chamber wall of terminal part 29 adjacency.First sound source 18 and second sound source 28 can send the sound that people's ear can be heard frequency, or send the sound that people's ear be can't hear frequency.In one embodiment, first sound source 18 and second sound source 28 can comprise voice coil motor.
Fig. 4 shows the synoptic diagram of the liquid crystal indicator 4 of fourth embodiment of the invention.The liquid crystal indicator 4 of present embodiment comprises a light guide plate 11, a plurality of first light-emitting component 12, a plurality of first radiator structure 13, first cavity 14, a pair of first perforate 15, first valve 16, second valve 17 and first sound source 18, and wherein a plurality of first light-emitting components 12 are located on light guide plate 11; This first cavity 14 can be around described first light-emitting component 12; A plurality of first radiator structures 13 are respectively coupled to described first light-emitting component 12, and are configured in the inside of this first cavity 14; Described first perforate 15 can be in neither separately being provided with side of first cavity 14, and just described first perforate 15 can be respectively be oppositely arranged with the adjacent dual-side of light guide plate 11; First valve 16 and second valve 17 are adjacent to described first perforate 15 accordingly; And first sound source 18 is adjacent to the chamber wall of first cavity 14, and for example an end 181 of first sound source 18 outwardly and be embedded at first cavity 14.First valve 16 is flowed to the outside of this first cavity 14 by construction to allow air via corresponding this first perforate 15; Relatively, second valve 17 is flowed to the inside of this first cavity 14 by construction to allow air via corresponding this first perforate 15.
In another embodiment, liquid crystal indicator 4 can comprise a pair of second perforate 25, the 3rd valve 26 and the 4th valve 27 in addition.Described second perforate 25 is arranged on first cavity 14, and wherein said first perforate 15 can be respectively be oppositely arranged with the adjacent dual-side of light guide plate 11, and described second perforate 25 can be respectively be oppositely arranged with the other adjacent dual-side of light guide plate 11.In addition, the 3rd valve 26 can be adjacent to second perforate 25 that is oppositely arranged with first valve 16, and the 4th valve 27 can be adjacent to second perforate 25 that is oppositely arranged with second valve 17, wherein the 3rd valve 26 is flowed to the outside of this first cavity 14 to allow air via corresponding this second perforate 25 by construction, and the 4th valve 27 is flowed to the inside of this first cavity 14 by construction to allow air via corresponding this second perforate 25.
Fig. 5 shows the synoptic diagram of the liquid crystal indicator 5 of fifth embodiment of the invention, and Fig. 6 displayed map 5 is along the diagrammatic cross-section of A-A profile line again.With shown in Figure 6, the liquid crystal indicator 5 of present embodiment comprises a backboard 53, a circuit board 51, a plurality of light-emitting component 52, first valve 16, second valve 17 and first sound source 18 with reference to figure 5.Backboard 53 has at least the first perforate 54 and at least the second perforate 55, and wherein this first perforate 54 and this second perforate 55 can be arranged at the relative both sides of backboard 53 respectively.
With reference to shown in Figure 6, backboard 53 and circuit board 51 interbody spacer settings are to form a cavity 56.52 of a plurality of light-emitting components are arranged at circuit board 51 dorsad on the surface of backboard 53.A plurality of light-emitting components 52 can be arranged with array way at liquid crystal indicator 5, form the design form of straight-down negative.First valve 16 is adjacent to first perforate 54, and it is flowed to the outside of cavity 56 by construction to allow air via this first perforate 54; Second valve 17 is adjacent to this second perforate 55, and it is flowed to the inside of cavity 56 by construction to allow air via this second perforate 55.
First sound source 18 is adjacent to the chamber wall of cavity 56, makes first sound source 18 can vibrate air in the cavity 56, and cooperates the running of first valve 16 and second valve 17, allows air can flow into and flow out cavity 56, to reach the heat biography effect of forced convertion.
Join shown in Figure 5ly again, liquid crystal indicator 5 can comprise a plurality of distance pieces 57 in addition, and described distance piece 57 is arranged in the cavity 56, and in 55 of first perforate 54 and second perforates with the interlace mode setting.
In addition, in other embodiments, this at least the first perforate 54 can comprise a plurality of first perforates 54, and this at least the second perforate 55 can comprise a plurality of second perforates 55 again, and wherein a plurality of first perforates 54 and a plurality of second perforates 55 can be arranged at two opposite sides of backboard 53 respectively.And respectively first valve 16 can the neighbour be established in these first perforate, 54 sides, and second valve 17 can the neighbour be established in each second perforate, 55 side.
In addition, it should be noted that the cavity among above-mentioned all embodiment can be loudspeaker box structure, so be not limited thereto, but also actual demand adjustment.
Fig. 7 shows the schematic perspective view of the valve 6 of one embodiment of the invention, and the schematic side view of Fig. 8 displayed map 7.With reference to Fig. 7 and shown in Figure 8, aforesaid first valve 16, second valve 17, the 3rd valve 26 and the 4th valve 27 can have the structure of valve 6, so are not limited thereto.Valve 6 comprises a plate 31 and a hinge 32, and hinge 32 comprises a pivot 321, and plate 31 is connected in hinge 32, for example pivot 321 is arranged in plate 31, make plate 31 be able to pivot, open and close corresponding perforate by this, reach the purpose of air one-way flow in response to the draught head between relative plate face.It is made that plate 31 can be light material, and with example, plate 31 can comprise polyethylene terephthalate, for being not limited thereto, and also can be according to the actual demand adjustment.Again, the material of hinge 32 can comprise metal.Plate 31 is connected in hinge 32, and for example plate 31 can be attached on the pivot 321 again, to pivot by this pivot 321.In addition, it should be noted that hinge 32 can comprise an involution element (not shown) in addition, for example resetting spring, involution shell fragment can return to original position after can making valve opening.
Refer again to Fig. 7 and shown in Figure 8, valve 6 can comprise a cushion 33 in addition, and cushion 33 is located at the peripheral region of plate 31, and cushion 33 is by the usefulness of construction shock-absorbing so that plate 31 switches to be provided.Again, valve 6 can comprise a limiting structure 34, the shift position that limiting structure 34 is limited this plate 31 by construction with this plate 31 of contact in addition.
Aforesaid first valve 16, second valve 17, the 3rd valve 26 and the 4th valve 27 also can have the structure of the valve of following embodiment, so are not limited thereto.
Fig. 9 shows the schematic perspective view of the valve 7 of first embodiment of the invention.Valve 7 can comprise a diaphragm 71, a framework 72 and a junction 73.Framework 72 comprises an opening 722, and wherein diaphragm 71 is arranged on the opening 722, and connecting portion 73 connects diaphragm 71 and framework 72.Framework 72 can have a recess 721, one perforates 722 and can be formed on the recess 721, and diaphragm 71 is arranged in the perforate 722 and is contained in this recess 721, to obtain protection.Diaphragm 71 can be complied with the air flow switch motion, can hide perforate 722 when closing with the blocks air circulation, and this valve mechanism is the one-way gas flow flow design.Connecting portion 73 connects diaphragm 71 and framework 72, with the motion of limiting diaphragm 71.In the present embodiment, connecting portion 73 can connect the edge of diaphragm 71 and recess 721 places of framework 72 respectively.In addition, diaphragm 71 can utilize connecting portion 73 to be adhered on the framework 72, or diaphragm 71, connecting portion 73 and framework 72 can be formed in one.Connecting portion 73 can be bent, and it is that a flexible materials is made.Connecting portion 73 can comprise silica gel, rubber or other similar pliability materials.The material of diaphragm 71 can be identical with connecting portion 73, and the two can be one-body molded.In addition, the material of framework 72 can be identical or different with connecting portion 73.For instance, diaphragm 71, connecting portion 73 can be formed in one with framework 72, this integrated valve 7 are assembled in the cavity again, and cavity and framework 72 can be reserved clamping structure, lock solid structure or adhere to the space, to make things convenient for the two combination.Perhaps framework 72 can be the chamber wall of cavity, only is not limited to foregoing description, visual actual demand adjustment.In addition, it should be noted that the diaphragm 71 of present embodiment is opened because of the air-flow that sound source drives,, can return to original position after can making valve opening because of connecting portion 73 is a flexible materials.
Figure 10 shows the schematic perspective view of the valve 8 of second embodiment of the invention.Valve 8 can comprise a diaphragm 71, a framework 72 and a junction 74.The recess 721 of framework 72 has a perforate 722, and diaphragm 71 is arranged in the perforate 722 and it can be hidden with the blocks air circulation, and connecting portion 73 is connected to the upper surface and the framework 72 of diaphragm 71, with the motion of limiting diaphragm 71.This valve mechanism also is the one-way gas flow flow design.
Figure 11 shows the schematic perspective view of the valve 9 of third embodiment of the invention.Valve 9 can comprise a diaphragm 71, a framework 72 and a plurality of connecting portion 73.Framework 72 has a perforate 722, and diaphragm 71 is arranged in the perforate 722 and its covering can be circulated with blocks air.A plurality of connecting portions 73 can divide and are arranged, and each connecting portion 73 is connected to the edge and the framework 72 of diaphragm 71, with the motion of limiting diaphragm 71.This valve mechanism also is the one-way gas flow flow design.
Figure 12 shows the schematic perspective view of the valve 10 of third embodiment of the invention.Valve 10 can comprise a diaphragm 71, a framework 72 and a plurality of connecting portion 74.Framework 72 has a perforate 722, and diaphragm 71 is arranged in the perforate 722 and its covering can be circulated with blocks air.A plurality of connecting portions 74 can divide and are arranged, and each connecting portion 73 is connected to the upper surface and the framework 72 of diaphragm 71, with the motion of limiting diaphragm 71.This valve mechanism also is the one-way gas flow flow design.
Through in all above-mentioned embodiment, can learn after valve of the present invention can be established in unlatching to return to original position that is to say, valve of the present invention can have after the unlatching function on will be entire automatically.
Comprehensively above-mentioned, utilize a pair of one-way cock that only allows fluid to advance or go out, and described valve is arranged on the cavity of accommodating the radiator structure that is coupled to light-emitting component, cooperate the sound source vibrate air, make the air flow in the cavity, and then produce the heat biography effect of forced convertion.The present invention can omit fan, therefore has advantages such as power saving, noiselessness.
Technology contents of the present invention and technical characterstic disclose as above, yet those skilled in the art of the present technique still may be based on teaching of the present invention and announcements and done all replacement and modifications that does not deviate from spirit of the present invention.Therefore, protection scope of the present invention should be not limited to embodiment and disclose, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by claim.
Claims (26)
1. a liquid crystal indicator is characterized in that, described liquid crystal indicator comprises:
One light guide plate;
A plurality of first light-emitting components are adjacent to described light guide plate;
A plurality of first radiator structures are respectively coupled to described first light-emitting component;
First cavity is adjacent to described first light-emitting component, and wherein said first radiator structure is disposed in described first cavity;
A pair of first perforate is arranged on described first cavity;
First valve is adjacent to one of described first perforate, and described first valve is flowed to described first cavity outside to allow air via corresponding described first perforate by construction;
Second valve is adjacent to another person of described first perforate, and described second valve is flowed to described first inside cavity to allow air via corresponding described first perforate by construction; And
First sound source is adjacent to the chamber wall of described first cavity, is used to vibrate air in first cavity.
2. liquid crystal indicator as claimed in claim 1 is characterized in that, described liquid crystal indicator more comprises:
A plurality of second light-emitting components are adjacent to described light guide plate, and wherein said first light-emitting component and described second light-emitting component are arranged at the relative both sides of described light guide plate respectively;
A plurality of second radiator structures are respectively coupled to described second light-emitting component;
Second cavity is adjacent to described second light-emitting component, and wherein said second radiator structure is disposed in described second cavity;
A pair of second perforate is arranged on described second cavity;
The 3rd valve is adjacent to one of described second perforate, and described the 3rd valve is flowed to described second cavity outside to allow air via corresponding described second perforate by construction;
The 4th valve is adjacent to another person of described second perforate, and described the 4th valve is flowed to described second inside cavity to allow air via corresponding described second perforate by construction; And
Second sound source is adjacent to the chamber wall of described second cavity, is used to vibrate air in second cavity.
3. liquid crystal indicator as claimed in claim 1 is characterized in that, described first perforate and described first light-emitting component are arranged at the relative both sides of described first cavity.
4. liquid crystal indicator as claimed in claim 1 is characterized in that, described liquid crystal indicator more comprises:
A plurality of second light-emitting components are provided with the adjacent dual-side of described light guide plate, and wherein said first light-emitting component is arranged at the other adjacent dual-side of described light guide plate;
A plurality of second radiator structures are respectively coupled to described second light-emitting component;
Second cavity is adjacent to described second light-emitting component, and wherein said second radiator structure is disposed in described second cavity;
A pair of second perforate is arranged on described second cavity;
The 3rd valve is adjacent to one of described second perforate, and described the 3rd valve is flowed to described second cavity outside to allow air via corresponding described second perforate by construction;
The 4th valve is adjacent to another person of described second perforate, and described the 4th valve is flowed to described second inside cavity to allow air via corresponding described second perforate by construction; And
Second sound source is adjacent to the chamber wall of described second cavity, is used to vibrate air in second cavity.
5. liquid crystal indicator as claimed in claim 1, it is characterized in that, described first light-emitting component is located on described light guide plate, and described first cavity is around described first light-emitting component, and described first perforate is oppositely arranged with the adjacent dual-side of described light guide plate respectively.
6. liquid crystal indicator as claimed in claim 5 is characterized in that, described liquid crystal indicator more comprises:
A pair of second perforate is arranged on described first cavity, and is oppositely arranged with the other adjacent dual-side of described light guide plate respectively;
The 3rd valve is adjacent to described second perforate relative with described first valve, and described the 3rd valve is flowed to described first cavity outside to allow air via corresponding described second perforate by construction; And
The 4th valve is adjacent to described second perforate relative with described second valve, and described the 4th valve is flowed to described first inside cavity to allow air via corresponding described second perforate by construction.
7. liquid crystal indicator as claimed in claim 1 is characterized in that, returns to original position after any one of described first valve and described second valve is established in unlatching.
8. liquid crystal indicator as claimed in claim 1, it is characterized in that, any one of described first valve and described second valve comprises a diaphragm, a framework and at least one connecting portion, described framework comprises an opening, wherein said diaphragm arrangement is on described opening, and described connecting portion connects described diaphragm and described framework.
9. liquid crystal indicator as claimed in claim 8 is characterized in that described connecting portion comprises silica gel or rubber.
10. liquid crystal indicator as claimed in claim 1 is characterized in that, any one of described first valve and described second valve comprises a plate and a hinge, and wherein said plate is connected in described hinge.
11. liquid crystal indicator as claimed in claim 10 is characterized in that, any one of described first valve and described second valve comprises a cushion in addition, and wherein said cushion is arranged at the peripheral region of described plate.
12. liquid crystal indicator as claimed in claim 10 is characterized in that, any one of described first valve and described second valve comprises a limiting structure in addition, the shift position that wherein said limiting structure is limited described plate by construction with the described plate of contact.
13. liquid crystal indicator as claimed in claim 10 is characterized in that, described hinge comprises metal.
14. liquid crystal indicator as claimed in claim 1 is characterized in that, described first cavity comprises two relative terminal parts, and described first perforate is respectively adjacent to described terminal part configuration.
15. liquid crystal indicator as claimed in claim 1 is characterized in that, described first radiator structure respectively comprises a radiating fin, and wherein said radiating fin is inserted in described first cavity.
16. liquid crystal indicator as claimed in claim 1 is characterized in that, described first sound source comprises voice coil motor.
17. a liquid crystal indicator is characterized in that, described liquid crystal indicator comprises:
One backboard has at least one first perforate and at least one second perforate, and wherein said first perforate and described second perforate are arranged at the relative both sides of described backboard;
One circuit board, itself and described backboard are provided with at interval, to form a cavity;
A plurality of light-emitting components are arranged at the described circuit board surface of described backboard dorsad;
First valve is adjacent to described at least one first perforate, and described first valve is flowed to described cavity outside to allow air via described at least one first perforate by construction;
Second valve is adjacent to described at least one second perforate, and described second valve is flowed to described cavity inside to allow air via described at least one second perforate by construction; And
First sound source is adjacent to the chamber wall of described cavity, is used to vibrate air in first cavity.
18. liquid crystal indicator as claimed in claim 17 is characterized in that, described liquid crystal indicator more comprises a plurality of distance pieces, described distance piece between described at least one first perforate and described at least one second perforate with the interlace mode setting.
19. liquid crystal indicator as claimed in claim 17 is characterized in that, returns to original position after any one of described first valve and described second valve is established in unlatching.
20. liquid crystal indicator as claimed in claim 17, it is characterized in that, any one of described first valve and described second valve comprises a diaphragm, a framework and at least one connecting portion, described framework comprises an opening, wherein said diaphragm arrangement is on described opening, and described connecting portion connects described diaphragm and described framework.
21. liquid crystal indicator as claimed in claim 20 is characterized in that, described connecting portion comprises silica gel or rubber.
22. liquid crystal indicator as claimed in claim 17, it is characterized in that, any one of described first valve and described second valve comprises a plate and a hinge, and wherein said plate is connected in described hinge, and covers corresponding described at least one first perforate or described at least one second perforate.
23. liquid crystal indicator as claimed in claim 22 is characterized in that, any one in described first valve and described second valve comprises a cushion in addition, and wherein said cushion is arranged at the peripheral region of described plate.
24. liquid crystal indicator as claimed in claim 22 is characterized in that, any one in described first valve and described second valve comprises a limiting structure in addition, and wherein said limiting structure construction is with the described plate of contact, to limit the shift position of described plate.
25. liquid crystal indicator as claimed in claim 17 is characterized in that, described first sound source comprises voice coil motor.
26. liquid crystal indicator as claimed in claim 17 is characterized in that:
Described at least one first perforate comprises a plurality of first perforates; And
Described at least one second perforate comprises a plurality of second perforates, and wherein said first perforate and described second perforate are arranged at two opposite sides of described backboard respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102067077A CN101694552B (en) | 2009-10-21 | 2009-10-21 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102067077A CN101694552B (en) | 2009-10-21 | 2009-10-21 | Liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694552A CN101694552A (en) | 2010-04-14 |
| CN101694552B true CN101694552B (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102067077A Expired - Fee Related CN101694552B (en) | 2009-10-21 | 2009-10-21 | Liquid crystal display device |
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| CN (1) | CN101694552B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661533A (en) * | 2012-04-11 | 2012-09-12 | 深圳市华星光电技术有限公司 | Backlight module and LCD (liquid crystal display) device |
| CN106292047A (en) * | 2016-08-29 | 2017-01-04 | 合肥惠科金扬科技有限公司 | A kind of liquid crystal display screen of perfect heat-dissipating |
| CN112555726A (en) * | 2020-12-09 | 2021-03-26 | 关茂存 | Street lamp capable of automatically radiating |
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| CN2290159Y (en) * | 1997-04-14 | 1998-09-02 | 谢颖 | Quick radiating device for active loudspeaker box |
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| EP1975505A1 (en) * | 2007-03-26 | 2008-10-01 | Koninklijke Philips Electronics N.V. | Lighting device |
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| CN101470298A (en) * | 2007-12-29 | 2009-07-01 | 富士迈半导体精密工业（上海）有限公司 | Back light module unit |
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| CN2290159Y (en) * | 1997-04-14 | 1998-09-02 | 谢颖 | Quick radiating device for active loudspeaker box |
| CN1756471A (en) * | 2004-09-29 | 2006-04-05 | 鸿进科技有限公司 | Radiator and radiating method |
| EP1717632A1 (en) * | 2005-04-29 | 2006-11-02 | Samsung Electronics Co., Ltd. | Cooling arrangement for a liquid crystal display |
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| CN201166759Y (en) * | 2008-01-23 | 2008-12-17 | 奇信电子股份有限公司 | Flat display device with radiating module |
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| CN101694552A (en) | 2010-04-14 |
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