CN205880433U - Backlight component - Google Patents
Backlight component Download PDFInfo
- Publication number
- CN205880433U CN205880433U CN201620648032.7U CN201620648032U CN205880433U CN 205880433 U CN205880433 U CN 205880433U CN 201620648032 U CN201620648032 U CN 201620648032U CN 205880433 U CN205880433 U CN 205880433U
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- China
- Prior art keywords
- fluorescent tube
- backlight assembly
- light guide
- heat sink
- heat
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Abstract
The utility model discloses a backlight component, including the backlight component body, the backlight component body includes liquid crystal display panel, the crossed nicols membrane, the light guide plate, fluorescent tube reflector plate and CCFL fluorescent tube, the CCFL fluorescent tube is located the fluorescent tube reflector plate that is the C form, the fluorescent tube reflector plate is located one side of light guide plate, and the light -emitting window of fluorescent tube reflector plate is held correspondingly with the income light of light guide plate, the downside of light guide plate is provided with the end reflector plate that is the slope form, the upside of light guide plate is provided with the diffusion piece that is the level form, the crossed nicols membrane is located between liquid crystal display panel and the diffusion piece, and still be provided with the protection film between crossed nicols membrane and the liquid crystal display panel. This backlight component, stability is good, be difficult to to appear damages, has improved LED backlight unit's life greatly, in the heat dissipation and under the control system, can realize can leaving the heat on the heat -conducting plate fast to backlight component's the automation heat dissipation of blowing, quick heat dissipation, the radiating effect is good, and not only the radiating effect is good, but also has fine dustproof effect.
Description
Technical field
This utility model relates to back light model setting technology field, is specially a kind of backlight assembly.
Background technology
Backlight module is one of key part and component of panel of LCD.Function is well-off brightness and distribution
Uniform light source so that it is can normal show image.LED light source as a kind of solid-state cold light source, have pollution-free, light efficiency is high, consumption
Electricity less, the feature such as life-span length, therefore, LED street lamp can be as the ideal chose of city illumination facility.But it is similar with conventional light source
Seemingly, LED luminescence component also can produce heat in luminescence process, and if the heat produced can not disperse in time, then can affect LED
The job stability of luminescence component, it could even be possible to the life-span of LED luminescence component can be shortened.Existing LED-backlit module internal
Between structural stability poor, easily occur damaging, cause the service life reducing LED-backlit module, additionally, existing
LED-backlit module generally uses natural heat dissipation, and this radiating mode effect is unsatisfactory.And utilize heat-conducting plate to carry out dispelling the heat restricted
In weight factor, it is impossible to quickly being dispersed by the heat on heat-conducting plate, therefore radiating effect also can not be guaranteed.
Utility model content
The purpose of this utility model is to provide a kind of backlight assembly, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model following technical scheme of offer: a kind of backlight assembly, including backlight assembly originally
Body, described backlight assembly body includes liquid crystal panel, crossed nicols film, light guide plate, fluorescent tube reflector plate and CCFL fluorescent tube, described
CCFL fluorescent tube is positioned at the fluorescent tube reflector plate in Contraband shape, and fluorescent tube reflector plate is positioned at the side of light guide plate, and the going out of fluorescent tube reflector plate
Light mouth is corresponding with the light inputting end of light guide plate, and the downside of described light guide plate is provided with the end reflector plate of inclined shape, described leaded light
The upside of plate is provided with horizontal diffusion sheet, and described crossed nicols film is between liquid crystal panel and diffusion sheet, and intersects
Upper protective film it is additionally provided with between prism film and liquid crystal panel.
The left side of described backlight assembly body and right side are respectively arranged with the first heat sink and the second heat sink, described fluorescent tube
Reflector plate is fixedly mounted on the first heat sink, and the inside of described first heat sink is provided with heat radiation gap, sets in this heat radiation gap
Being equipped with heat-conducting plate, the outer surface of described heat-conducting plate is provided with and equidistantly distributes and the fin of staggered formula, described first heat radiation
The both sides of plate are provided with Air Filter in all offering equidistant louvre, and each louvre, in described first heat sink
It is additionally provided with the radiator fan being spaced substantially equidistant.
Preferably, described first heat sink and the second cooling plate structure are identical, and the first heat sink and the second heat sink with
Symmetrical form is arranged in the both sides of backlight assembly body.
Preferably, described backlight assembly body also includes temperature sensor, microprocessor, accumulator and signal adapter,
The outfan of described temperature sensor electrically connects with the first input end of microprocessor, the outfan of described accumulator and micro-process
Device second input electrical connection, the outfan of described microprocessor by signal adapter respectively with CCFL fluorescent tube and radiation air
Fan electrical connection.
Preferably, described crossed nicols film includes smooth prism film and sawtooth prism film, and sawtooth prism film is positioned at smooth
The upside of prism film.
Preferably, the cross-sectional width of described light guide plate successively decreases the most successively.
Compared with prior art, this utility model has the advantages that
(1), backlight assembly of the present utility model, crossed nicols film between liquid crystal panel and diffusion sheet, and intersect rib
Be additionally provided with upper protective film between mirror film and liquid crystal panel, then with under the cooperation of liquid crystal panel, light guide plate and end reflector plate, surely
Qualitative good, it is not easy to occur damaging, substantially increase the service life of LED-backlit module.
(2), backlight assembly of the present utility model, be respectively arranged with the first heat radiation in the left side of backlight assembly body and right side
Plate and the second heat sink, the first heat sink and the second cooling plate structure are identical, are provided with heat radiation gap, between heat radiation in the first heat sink
Being provided with heat-conducting plate in gap, the both sides of the first heat sink are respectively provided with in all offering equidistant louvre, and each louvre
Have Air Filter, simple in construction, the outer surface of heat-conducting plate to be provided with to equidistantly distribute and the fin of staggered formula, effect of not only dispelling the heat
The best, but also there is good dust-proof effect.
(3), backlight assembly of the present utility model, backlight assembly body also includes temperature sensor, microprocessor, accumulator
And signal adapter, the outfan of temperature sensor electrically connects with the first input end of microprocessor, the outfan of accumulator with
Microprocessor second input electrical connection, the outfan of microprocessor by signal adapter respectively with CCFL fluorescent tube and heat radiation
Fan electrically connects, under this control system, it is possible to realize the heat radiation of automatically drying to backlight assembly, it is possible to by the heat on heat-conducting plate
Amount quickly disperses, rapid heat dissipation, good heat dissipation effect.
Accompanying drawing explanation
Fig. 1 is this utility model structural blast figure；
Fig. 2 is this utility model the first heat sink sectional view；
Fig. 3 is this utility model the first heat sink side view；
Fig. 4 is this utility model control system figure.
In figure: 1 backlight assembly body, 101 liquid crystal panels, 102 crossed nicols films, 103 light guide plates, 104 fluorescent tube reflector plates,
105CCFL fluorescent tube, 106 end reflector plates, 107 diffusion sheets, 108 upper protective films, 109 temperature sensors, 110 microprocessors, 111 storages
Battery, 112 signal adapters, 2 first heat sinks, 201 louvres, 202 Air Filters, 3 second heat sinks, 4 heat-conducting plates, 401 dissipate
Backing, 5 radiator fans.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1, a kind of backlight assembly, including backlight assembly body 1, backlight assembly body 1 includes liquid crystal panel
101, crossed nicols film 102, light guide plate 103, fluorescent tube reflector plate 104 and CCFL fluorescent tube 105, crossed nicols film 102 includes smoothing
Prism film and sawtooth prism film, and sawtooth prism film is positioned at the upside of smooth prism film, the cross-sectional width of light guide plate 103 from a left side to
Successively decreasing successively in the right side, light guide effect is good, CCFL i.e. cold cathode fluorescence lamp, is a kind of gas discharge luminescent device, and its structure is similar often
Daylight lamp, be connected with hardboard by connecting plug, CCFL has that fluorescent tube is tiny, simple in construction, surface temperature rise are little, surface
Brightness is high, be easily processed into variously-shaped (Straight, L-shaped, U-shaped, annular etc.), service life length, color rendering properties good, luminous uniformly etc.
Advantage, so, CCFL is the preferable backlight of liquid crystal display screen, and CCFL fluorescent tube 105 is positioned at the fluorescent tube reflector plate 104 in Contraband shape, lamp
Pipe reflector plate 104 is positioned at the side of light guide plate 103, and the light-emitting window of fluorescent tube reflector plate 104 is relative with the light inputting end of light guide plate 103
Should, the downside of light guide plate 103 is provided with the end reflector plate 106 of inclined shape, and light guide effect is good, and the upside of light guide plate 103 is arranged
Having horizontal diffusion sheet 107, crossed nicols film 102 is between liquid crystal panel 101 and diffusion sheet 107, and crossed nicols
Being additionally provided with upper protective film 108 between film 102 and liquid crystal panel 101, upper protective film 108 can strengthen the overall steady of backlight assembly
Qualitative.
Referring to Fig. 1,2 and 3, the left side of backlight assembly body 1 and right side are respectively arranged with the first heat sink 2 and second and dissipate
Hot plate 3, the first heat sink 2 is identical with the second heat sink 3 structure, and the first heat sink 2 and the second heat sink 3 are with symmetrical form
Being arranged in the both sides of backlight assembly body 1, fluorescent tube reflector plate 104 is fixedly mounted on the first heat sink 2, the first heat sink 2
Inside be provided with heat radiation gap, be provided with heat-conducting plate 4 in this heat radiation gap, the outer surface of heat-conducting plate 4 be provided with equidistantly distribute and
The fin 401 of staggered formula, heat-conducting plate 4 heat conduction is fast, and good heat dissipation effect, the both sides of the first heat sink 2 all offer equidistant
Louvre 201, and in each louvre 201, be provided with Air Filter 202, Air Filter 202 has good dustproof effect,
The radiator fan 5 being spaced substantially equidistant it is additionally provided with in one heat sink 2.
Referring to Fig. 4, backlight assembly body 1 also includes temperature sensor 109, microprocessor 110, accumulator 111 and letter
Number transducer 112, the outfan of temperature sensor 109 electrically connects with the first input end of microprocessor 110, accumulator 111
Outfan electrically connects with the second input of microprocessor 110, and the outfan of microprocessor 110 passes through signal adapter 112 points
Do not electrically connect with CCFL fluorescent tube 105 and radiator fan 5.
Operation principle: under normal circumstances, by the louvre 201 on the first heat sink 2 and the second heat sink to backlight assembly
Carry out gravity-flow ventilation heat radiation, when the temperature in backlight assembly is higher, the data that temperature sensor 109 can be sensed automatically
Information passes to microprocessor 110, and microprocessor 110 begins through signal adapter 112 and controls radiator fan 5 and be operated,
Fin 401 on heat-conducting plate 4 quickly dried heat radiation by radiator fan 5, in the cooling system of whole radiator fan 5
It is powered by accumulator 111.
In sum: this backlight assembly, by crossed nicols film 102 is arranged on liquid crystal panel 101 and diffusion sheet 107 it
Between, and between crossed nicols film 102 and liquid crystal panel 101, it is additionally provided with upper protective film 108, crossed nicols film 102 and upper protection
Film 108 again with under the cooperation of liquid crystal panel 101, light guide plate 103 and end reflector plate 106, good stability, it is not easy to occur damage
Bad, substantially increase the service life of LED-backlit module.
By being respectively arranged with the first heat sink 2 and the second heat sink 3 in the left side of backlight assembly body 1 and right side,
First heat sink 2 is identical with the second heat sink 3 structure, is provided with heat radiation gap in the first heat sink 2, is provided with and leads in heat radiation gap
Hot plate 4, the both sides of the first heat sink 5 all offer equidistant louvre 201, and are provided with anti-in each louvre 201
Dirt net 202, simple in construction, the outer surface of heat-conducting plate 4 are provided with and equidistantly distribute and the fin 401 of staggered formula, not only dissipate
Thermal effect is good, but also has good dust-proof effect.
Additionally, by the cooling control system of backlight assembly body 1, it is possible to realize the automatic Caulis Seu Radix Kadsurae Oblongifoliae to backlight assembly
Heat, it is possible to the heat on heat-conducting plate 4 is quickly dispersed, rapid heat dissipation, good heat dissipation effect.While there has been shown and described that this reality
By novel embodiment, for the ordinary skill in the art, it is possible to understand that without departing from principle of the present utility model
With these embodiments can be carried out multiple change in the case of spirit, revise, replace and modification, scope of the present utility model by
Claims and equivalent thereof limit.
Claims (5)
1. a backlight assembly, including backlight assembly body (1), it is characterised in that: described backlight assembly body (1) includes liquid crystal
Panel (101), crossed nicols film (102), light guide plate (103), fluorescent tube reflector plate (104) and CCFL fluorescent tube (105), described CCFL
Fluorescent tube (105) is positioned at the fluorescent tube reflector plate (104) in Contraband shape, and fluorescent tube reflector plate (104) is positioned at the side of light guide plate (103),
And the light-emitting window of fluorescent tube reflector plate (104) is corresponding with the light inputting end of light guide plate (103), the downside of described light guide plate (103) sets
Being equipped with the end reflector plate (106) of inclined shape, the upside of described light guide plate (103) is provided with horizontal diffusion sheet (107),
Described crossed nicols film (102) is positioned between liquid crystal panel (101) and diffusion sheet (107), and crossed nicols film (102) and liquid crystal
Upper protective film (108) it is additionally provided with between panel (101)；
The left side of described backlight assembly body (1) and right side are respectively arranged with the first heat sink (2) and the second heat sink (3), institute
Stating fluorescent tube reflector plate (104) to be fixedly mounted on the first heat sink (2), the inside of described first heat sink (2) is provided with between heat radiation
Gap, is provided with heat-conducting plate (4) in this heat radiation gap, the outer surface of described heat-conducting plate (4) is provided with and equidistantly distributes and staggered
The fin (401) of formula, the both sides of described first heat sink (2) all offer equidistant louvre (201), and each heat radiation
It is provided with Air Filter (202) in hole (201), is additionally provided with, in described first heat sink (2), the radiator fan being spaced substantially equidistant
(5)。
A kind of backlight assembly the most according to claim 1, it is characterised in that: described first heat sink (2) and the second heat radiation
Plate (3) structure is identical, and the first heat sink (2) and the second heat sink (3) are arranged in backlight assembly body (1) with symmetrical form
Both sides.
A kind of backlight assembly the most according to claim 1, it is characterised in that: described backlight assembly body (1) also includes temperature
Degree sensor (109), microprocessor (110), accumulator (111) and signal adapter (112), described temperature sensor (109)
Outfan electrically connect with the first input end of microprocessor (110), the outfan of described accumulator (111) and microprocessor
(110) second input electrical connection, the outfan of described microprocessor (110) by signal adapter (112) respectively with
CCFL fluorescent tube (105) and radiator fan (5) electrical connection.
A kind of backlight assembly the most according to claim 1, it is characterised in that: described crossed nicols film (102) includes smoothing
Prism film and sawtooth prism film, and sawtooth prism film is positioned at the upside of smooth prism film.
A kind of backlight assembly the most according to claim 1, it is characterised in that: the cross-sectional width of described light guide plate (103) from
Left-to-right successively decrease successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648032.7U CN205880433U (en) | 2016-06-27 | 2016-06-27 | Backlight component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648032.7U CN205880433U (en) | 2016-06-27 | 2016-06-27 | Backlight component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880433U true CN205880433U (en) | 2017-01-11 |
Family
ID=57692851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620648032.7U Active CN205880433U (en) | 2016-06-27 | 2016-06-27 | Backlight component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639921A (en) * | 2018-09-04 | 2021-04-09 | 株式会社日本显示器 | Display device |
| CN113641043A (en) * | 2021-08-18 | 2021-11-12 | 安徽赛时达显示科技有限公司 | MINILED backlight module driving display device |
-
2016
- 2016-06-27 CN CN201620648032.7U patent/CN205880433U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112639921A (en) * | 2018-09-04 | 2021-04-09 | 株式会社日本显示器 | Display device |
| CN113641043A (en) * | 2021-08-18 | 2021-11-12 | 安徽赛时达显示科技有限公司 | MINILED backlight module driving display device |
| CN113641043B (en) * | 2021-08-18 | 2024-02-13 | 安徽赛时达显示科技有限公司 | MINILED backlight module driving display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191028 Address after: 213000, No. two, 88 Hsinchu Road, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Tianlu Display Technology Co., Ltd Address before: 213000, No. two, 88 Hsinchu Road, Xinbei District, Jiangsu, Changzhou Patentee before: TLW Optronics (Changzhou) Co., Ltd. |
|
| TR01 | Transfer of patent right |