CN208737158U - Liquid crystal display - Google Patents

Liquid crystal display Download PDF

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Publication number
CN208737158U
CN208737158U CN201821669600.7U CN201821669600U CN208737158U CN 208737158 U CN208737158 U CN 208737158U CN 201821669600 U CN201821669600 U CN 201821669600U CN 208737158 U CN208737158 U CN 208737158U
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China
Prior art keywords
heat sink
transition
backboard
liquid crystal
crystal display
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CN201821669600.7U
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Chinese (zh)
Inventor
林石明
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201821669600.7U priority Critical patent/CN208737158U/en
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Abstract

The utility model discloses a kind of liquid crystal displays, provide a kind of liquid crystal display that can improve lamp bar heat dissipation.Liquid crystal display includes backboard, liquid crystal display panel, lamp bar, electric component and radiator, liquid crystal display panel includes panel body and source plate, lamp bar and panel body are located in front of backboard, and lamp bar is located at below panel body, and radiator is lamp bar heat dissipation;Radiator includes preceding heat sink, transition piece and rear heat sink, is provided with transition piece hole on backboard;Preceding heat sink is located in front of backboard, and rear heat sink is located at backboard rear;Transition piece passes through transition piece hole and connect with preceding heat sink and rear heat sink;Before lamp bar is connected on heat dissipation plate top surface;The utility model backboard rear is sufficient;Be conducive to radiator prominent form, and by enlarged leather area, to for example improve lamp bar heat dissipation effect;And arranged convenient for backboard rear electric component, it is conducive to reduce The back of the TV lower part evagination amount, is able to ascend TV appearance.

Description

Liquid crystal display
Technical field
The utility model relates to liquid crystal display field more particularly to a kind of liquid crystal displays with radiating structure Equipment.
Background technique
Available liquid crystal shows equipment, in order to make positive four frames seem as narrow as possible, the source plate of display panel It is all made of the mode for being turned to the complete machine back side.For radiator by space and source printed line beam length constraint, section morphology cannot It is thermally conductive well, lead to LED light bar poor heat radiation.Complete machine back side electric component perhaps ride over above source plate or need and Source plate will be staggered completely, and arrangement is inconvenient, but also complete machine lower rear thickness is larger, influence appearance.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of liquid crystal display that can improve lamp bar heat dissipation.
In order to solve the above problem the technical solution adopted is that: liquid crystal display includes backboard, liquid crystal display panel, lamp Item, electric component and radiator, liquid crystal display panel include panel body and source plate, and lamp bar and panel body are located at back In front of plate, lamp bar is located at below panel body, and radiator is lamp bar heat dissipation;Radiator include preceding heat sink, transition piece and Heat sink afterwards is provided with transition piece hole on backboard;Preceding heat sink is located in front of backboard, and rear heat sink is located at backboard rear;Transition Part passes through transition piece hole and connect with preceding heat sink and rear heat sink;Before lamp bar is connected on heat dissipation plate top surface;Source plate position In front of preceding heat sink.
Further, electric component is located at rear heat sink rear.
Further, electric component is located in front of preceding heat sink.
Further, transition piece includes transition strips and transition block, transition strips are connect with backboard, and transition block passes through transition piece Hole;Transition bar groove is provided on preceding heat sink, transition strips are located in transition bar groove, and preceding heat sink is connect with transition strips;After radiate Plate is connect with transition block.
Further, the quantity in transition piece hole is at least two, each transition piece hole is arranged along carupace width direction interval, Transition block is arranged in a one-to-one correspondence with transition piece hole.
Further, having heat dissipation gap between transition piece hole and transition block.
Further, being provided with heat-conducting glue between preceding heat sink and transition piece and between rear heat sink and transition piece Band.
Further, transition strips are connect with backboard by fastener, transition piece passes through with preceding heat sink and rear heat sink Fastener connection.
Further, preceding heat sink, transition piece and rear heat sink are each made of aluminum.
The beneficial effects of the utility model are: 1, source plate is located in front of preceding heat sink, so that backboard rear space is filled Foot, although more source plates in front of backboard, since original space is abundant, radiator space is also very sufficient;Be conducive to dissipate Thermal prominent form, and by enlarged leather area, to for example improve lamp bar heat dissipation effect.
2, backboard rear space is sufficient, arranges convenient for backboard rear electric component, and is conducive to reduce The back of the TV lower part Evagination amount is able to ascend TV appearance so that The back of the TV lower part thickness reduces.
3, transition piece hole is only set on backboard, and backboard does not need to disconnect and splice, and back board structure is simple, and appearance seems It is more complete, beautiful.
Detailed description of the invention
Fig. 1 is liquid crystal display assembly explosive view;
Fig. 2 is liquid crystal display lower part cross-sectional view;
Fig. 3 is liquid crystal display partial enlarged view;
Fig. 4 is liquid crystal display backside structure figure;
In the figure, it is marked as preceding heat sink 1, transition bar groove 11, transition piece 2, transition strips 21, transition block 22, rear heat sink 3, Backboard 4, transition piece hole 41, liquid crystal display panel 5, source plate 51, panel body 52, lamp bar 6, heat dissipation gap 7, electric component 8, LED drive board 81, mainboard assembly 82, Tcon plate 83, sound equipment 84.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As depicted in figs. 1 and 2: liquid crystal display includes backboard 4, liquid crystal display panel 5, lamp bar 6,8 and of electric component Radiator, liquid crystal display panel 5 includes panel body 52 and source plate 51, before lamp bar 6 and panel body 52 are located at backboard 4 Side, lamp bar 6 are located at 52 lower section of panel body, and radiator is the heat dissipation of lamp bar 6;Radiator includes preceding heat sink 1, transition piece 2 With rear heat sink 3, transition piece hole 41 is provided on backboard 4;Preceding heat sink 1 is located at 4 front of backboard, and rear heat sink 3 is located at backboard 4 Rear;Transition piece 2 passes through transition piece hole 41 and connect with preceding heat sink 1 and rear heat sink 3;Heat sink 1 pushes up before lamp bar 6 is connected to On face;Source plate 52 is located at preceding 1 front of heat sink.
The electric component 8 of the utility model can routinely be located at rear 3 rear of heat sink.Electric component 8 and the prior art It is identical, including LED drive board 81, mainboard assembly 82, Tcon plate 83 and sound equipment 84.
The electric component 8 of the utility model can also be located at preceding 1 front of heat sink.4 rear of backboard in this way is in addition to rear heat dissipation Plate 3 is without other components.Almost without protrusion, when wall hanging, can paste wall setting substantially at the LCD TV back side.The exposed energy of heat sink 3 afterwards Enough improve heat dissipation effect.
Source plate 51 is located at preceding 1 front of heat sink and is convenient for 4 rear electric appliance portion of backboard so that 4 rear space of backboard is sufficient Part 8 is arranged, and is conducive to reduce The back of the TV lower part evagination amount, so that The back of the TV lower part thickness reduces, is able to ascend TV Appearance.4 rear space of backboard is sufficient;Although the more source plates 51 in the front of backboard 4, since original space is abundant, heat dissipation dress It is also very sufficient between emptying;Be conducive to radiator prominent form, and by enlarged leather area, to for example improve 6 heat dissipation effect of lamp bar. The heat transfer of lamp bar 6 is transferred to rear heat sink 3 to preceding heat sink 1, then by transition piece 2, is then dissipated in air.
The specific set-up mode of radiator, especially transition piece 2 can be as shown in Figures 2 and 3: transition piece 2 included Item 21 and transition block 22 are crossed, transition strips 21 are connect with backboard 4, and transition block 22 passes through transition piece hole 41;It is provided on preceding heat sink 1 Transition bar groove 11, transition strips 21 are located in transition bar groove 11, and preceding heat sink 1 is connect with transition strips 21;Heat sink 3 and transition block afterwards 22 connections.
Transition strips 21 are connect with backboard 4, and preceding heat sink 1 and rear heat sink 3 are connect with transition piece 2 again, so that radiator Fix stably;21 length of transition strips can be very long and be located in transition bar groove 11, increases the contact area with preceding heat sink 1, Improve heat-transfer effect.One can be made in transition strips 21 and transition block 22.
In order to improve the contact area of transition block 22 Yu rear heat sink 3, settable multiple transition piece holes 41, each transition piece hole 41 are arranged along carupace width direction interval, and transition block is arranged in a one-to-one correspondence with transition piece hole 41.
Transition block 22 can be essentially filled with transition piece hole 41, can also with as shown in figure 3, transition piece hole 41 and transition block 22 it Between have heat dissipation gap 7.Heat can also directly shed from heat dissipation gap 7.
In order to improve heat transfer effect, between preceding heat sink 1 and transition piece 2 and between rear heat sink 3 and transition piece 2 It is provided with heat-conducting glue band.Before lamp bar 6 can also be routinely pasted onto using heat-conducting glue band on heat sink 1, dissipated with improving lamp bar 6 with preceding Heat transfer effect between hot plate 1.
Easy to connect for convenience, transition strips 21 are connect with backboard 4 by fastener, transition piece 2 and preceding heat sink 1 and after Heat sink 3 is connected by fastener.Fastener connection structure is simple, and connection is reliable and can guarantee that connected piece fits closely, Improve heat transfer effect.
Preceding heat sink 1, transition piece 2 and rear heat sink 3 can be made of aluminum.Aluminium has light-weight, good heat dissipation effect, The advantages of cost is relatively low.
For LCD TV beauty, backboard 4 can be made of glass, and the utility model is particularly suitable for backboard 4 by glass The case where being made.

Claims (9)

1. liquid crystal display, including backboard (4), liquid crystal display panel (5), lamp bar (6), electric component (8) and radiator, Liquid crystal display panel (5) includes panel body (52) and source plate (51), and lamp bar (6) and panel body (52) are located at backboard (4) front, lamp bar (6) are located at below panel body (52), and radiator is lamp bar (6) heat dissipation;It is characterized by: radiator Including preceding heat sink (1), transition piece (2) and rear heat sink (3), transition piece hole (41) are provided on backboard (4);Preceding heat sink (1) it is located in front of backboard (4), rear heat sink (3) is located at backboard (4) rear;Transition piece (2) pass through transition piece hole (41) and with it is preceding Heat sink (1) and rear heat sink (3) connection;Lamp bar (6) is connected on preceding heat sink (1) top surface;Before source plate (51) is located at In front of heat sink (1).
2. liquid crystal display according to claim 1, it is characterised in that: after electric component (8) is located at rear heat sink (3) Side.
3. liquid crystal display according to claim 2, it is characterised in that: before electric component (8) is located at preceding heat sink (1) Side.
4. liquid crystal display according to any one of claims 1 to 3, it is characterised in that: transition piece (2) includes transition strips (21) it is connect with transition block (22), transition strips (21) with backboard (4), transition block (22) passes through transition piece hole (41);Preceding heat sink (1) it is provided on transition bar groove (11), transition strips (21) are located in transition bar groove (11), preceding heat sink (1) and transition strips (21) Connection;Heat sink (3) is connect with transition block (22) afterwards.
5. liquid crystal display according to claim 4, it is characterised in that: the quantity of transition piece hole (41) is at least two A, each transition piece hole (41) is arranged along backboard (4) width direction interval, and transition block (22) is corresponded with transition piece hole (41) and set It sets.
6. liquid crystal display according to claim 5, it is characterised in that: between transition piece hole (41) and transition block (22) With heat dissipation gap (7).
7. liquid crystal display according to claim 6, it is characterised in that: between preceding heat sink (1) and transition piece (2) with And heat-conducting glue band is provided between rear heat sink (3) and transition piece (2).
8. liquid crystal display according to claim 7, it is characterised in that: transition strips (21) and backboard (4) pass through fastening Part connection, transition piece (2) are connect with preceding heat sink (1) and rear heat sink (3) by fastener.
9. liquid crystal display according to claim 8, it is characterised in that: preceding heat sink (1), transition piece (2) and rear dissipate Hot plate (3) is each made of aluminum.
CN201821669600.7U 2018-10-15 2018-10-15 Liquid crystal display Active CN208737158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821669600.7U CN208737158U (en) 2018-10-15 2018-10-15 Liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821669600.7U CN208737158U (en) 2018-10-15 2018-10-15 Liquid crystal display

Publications (1)

Publication Number Publication Date
CN208737158U true CN208737158U (en) 2019-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821669600.7U Active CN208737158U (en) 2018-10-15 2018-10-15 Liquid crystal display

Country Status (1)

Country Link
CN (1) CN208737158U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031793A (en) * 2018-10-15 2018-12-18 四川长虹电器股份有限公司 Liquid crystal display

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109031793A (en) * 2018-10-15 2018-12-18 四川长虹电器股份有限公司 Liquid crystal display
CN109031793B (en) * 2018-10-15 2024-02-06 四川长虹电器股份有限公司 Liquid crystal display device having a light shielding layer

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