CN207529070U - A kind of backlight - Google Patents
A kind of backlight Download PDFInfo
- Publication number
- CN207529070U CN207529070U CN201721218710.7U CN201721218710U CN207529070U CN 207529070 U CN207529070 U CN 207529070U CN 201721218710 U CN201721218710 U CN 201721218710U CN 207529070 U CN207529070 U CN 207529070U
- Authority
- CN
- China
- Prior art keywords
- heat
- cooling fin
- light source
- conducting metal
- metal bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model is related to back light source technique fields,In particular a kind of backlight,Including backboard,Position inside the backboard close to edges at two ends is mounted on glue frame,Light source there are two being set between two glue frames,The device fits closely multiple first cooling fins of setting on two light sources inside backboard,Installation heat-conducting metal bar is welded and fixed on each cooling fin,And connect the second cooling fin in the one end of heat-conducting metal bar far from light source,The heat generated when absorbing light source working by the first cooling fin,The second cooling fin is transferred to through heat-conducting metal bar,Heat is distributed to outside by the second cooling fin,Reach preliminary heat dissipation effect,Metal sleeve is arranged on each heat-conducting metal bar,And semiconductor chilling plate is connected between metal sleeve,Pass through the refrigeration of semiconductor chilling plate,Realize the refrigeration to metal sleeve,And then reach the distributing to the heat on heat-conducting metal bar by metal sleeve,Further strengthen heat dissipation effect.
Description
Technical field
The utility model is related to sensor technical field, specially a kind of backlight.
Background technology
Liquid crystal display device (Liquid Crystal Dispiay) is low numerous excellent because having thin fuselage, power saving, radiation
Point, is widely used, and liquid crystal display does not shine in itself, it only shows figure or light is modulated, therefore needs
To show image by the light source provided by backlight Lai normal, thus backlight become liquid crystal display device key component it
One, backlight (BackLight) is a kind of light source positioned at liquid crystal display (LCD) behind, its illumination effect is by direct shadow
It rings to LCD MODULE (LCM) visual effect, its internal light source part of existing backlight heat generated when working
Amount is since narrow space is difficult to distribute, and the temperature for leading to the optical diaphragm adjacent with light source is higher, so as to influence backlight
Luminous efficiency.In consideration of it, a kind of it is proposed that backlight.
Utility model content
The purpose of this utility model is to provide a kind of backlight, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：
Including backboard, glue frame, two institutes are mounted on inside the backboard close to the position of edges at two ends for a kind of backlight
It states and sets between glue frame there are two light source, each light source is connected with the circuit board inside backboard by conducting wire, two
Light guide plate between the light source is installed, reflector plate is fitted with immediately below the light guide plate, is set right over the light guide plate
There is diffusion sheet, the surface of the diffusion sheet is equipped with the shading rubber belt that both ends are connected in glue frame, the shading rubber belt and diffusion
Prismatic lens are installed, each light source is fitted with multiple first cooling fins on the side of glue frame, each described between piece
Heat-conducting metal bar is fixedly connected on first cooling fin, the multiple described one end of heat-conducting metal bar far from light source are both connected to
On two cooling fins, second cooling fin is located at the periphery of backboard, and is arranged with gold on the horizontal segment of each heat-conducting metal bar
Belong to casing, multiple semiconductor chilling plates are connected between the two neighboring metal sleeve.
Preferably, first cooling fin is rectangular, and the first cooling fin on each light source at least provided with three,
It is linearly spaced substantially equidistant on vertical direction.
Preferably, to be welded and fixed between the heat-conducting metal bar and the first cooling fin, the heat-conducting metal bar and second
To be welded and fixed between cooling fin.
Preferably, the semiconductor chilling plate between the two neighboring metal sleeve at least provided with two, linearly
It is spaced substantially equidistant, and to be welded and fixed between semiconductor chilling plate and metal sleeve.
Compared with prior art, the beneficial effects of the utility model are：
The device fits closely multiple first cooling fins of setting on two light sources inside backboard, in each cooling fin
On be welded and fixed installation heat-conducting metal bar, and the second cooling fin is connected in one end far from light source of heat-conducting metal bar, by the
One cooling fin absorbs the heat generated during light source working, is transferred to the second cooling fin through heat-conducting metal bar, passes through the second cooling fin
Heat is distributed to outside, reaches preliminary heat dissipation effect, metal sleeve is arranged, and in metal on each heat-conducting metal bar
Semiconductor chilling plate is connected between casing, by the refrigeration of semiconductor chilling plate, realizes the refrigeration to metal sleeve, and then
Reach the distributing to the heat on heat-conducting metal bar by metal sleeve, further strengthen heat dissipation effect, tied by this heat dissipation
The design of structure, the effective of heat that can reach the generation of the light source inside backlight at work distribute, the work of raising itself
Efficiency and service life.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged drawing at A in the utility model Fig. 1.
In figure：Backboard 1, glue frame 2, light source 3, circuit board 4, light guide plate 5, reflector plate 6, diffusion sheet 7, shading rubber belt 8, prism
Piece 9, the first cooling fin 10, heat-conducting metal bar 11, the second cooling fin 12, metal sleeve 13, semiconductor chilling plate 14.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：
Including backboard 1, glue frame 2 is mounted on inside the backboard 1 close to the position of edges at two ends for a kind of backlight, and two
It is set between a glue frame 2 there are two light source 3, each light source 3 is and the circuit board 4 inside backboard 1 passes through conducting wire
It connects, light guide plate 5 is installed between two light sources 3, the underface of the light guide plate 5 is fitted with reflector plate 6, described to lead
The surface of tabula rasa 5 is equipped with diffusion sheet 7, and the surface of the diffusion sheet 7 is equipped with the shading rubber belt that both ends are connected in glue frame 2
8, prismatic lens 9 are installed between the shading rubber belt 8 and diffusion sheet 7, each light source 3 is bonded on the side of glue frame 2
Have multiple first cooling fins 10, the first cooling fin 10 is rectangular, and the first cooling fin 10 on each light source 3 at least provided with three
It is a, it is linearly spaced substantially equidistant in the vertical direction, heat-conducting metal bar has been fixedly connected on each first cooling fin 10
11, the multiple described one end of heat-conducting metal bar 11 far from light source 3 are both connected on the second cooling fin 12,11 He of heat-conducting metal bar
It is described to be welded and fixed between 11 and second cooling fin 12 of heat-conducting metal bar to be welded and fixed between first cooling fin 10
Second cooling fin 12 is located at the periphery of backboard 1, and is arranged with metal sleeve 13, phase on the horizontal segment of each heat-conducting metal bar 11
Multiple semiconductor chilling plates 14 are connected between adjacent two metal sleeves 13, semiconductor chilling plate 14 is in two neighboring institute
It states between metal sleeve 13 at least provided with two, is linearly spaced substantially equidistant, and semiconductor chilling plate 14 and metal sleeve 13
Between to be welded and fixed.
The device fits closely multiple first cooling fins 10 of setting on two light sources 3 inside backboard 1, each the
It is welded and fixed installation heat-conducting metal bar 11 on one cooling fin 10, and in one end connection of the heat-conducting metal bar 11 far from light source 3 the
Two cooling fins 12 absorb the heat generated when light source 3 works by the first cooling fin 10, second are transferred to through heat-conducting metal bar 11
Heat by the second cooling fin 12 is distributed to outside, reaches preliminary heat dissipation effect, in each heat-conducting metal bar by cooling fin 12
Metal sleeve 13 is arranged on 12, and semiconductor chilling plate 14 is connected between metal sleeve 13, passes through semiconductor chilling plate 14
Refrigeration, realize the refrigeration to metal sleeve 13, and then reach through metal sleeve 13 to the heat on heat-conducting metal bar 11
Distributing for amount, further strengthens heat dissipation effect, by the design of this radiator structure, can reach the light source 3 inside backlight and exist
The heat of generation during work effectively distributes, the working efficiency and service life of raising itself.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the present invention also has various changes and improvements, these changes and improvements both fall within this claimed practicality
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of backlight, including backboard (1), it is characterised in that：Pacify close to the position of edges at two ends inside the backboard (1)
It equipped with glue frame (2), is set between two glue frames (2) there are two light source (3), each light source (3) is and positioned at backboard (1)
Internal circuit board (4) is connected by conducting wire, and light guide plate (5), the light guide plate (5) are equipped between two light sources (3)
Underface be fitted with reflector plate (6), the surface of the light guide plate (5) is equipped with diffusion sheet (7), and the diffusion sheet (7) is just
Top is equipped with the shading rubber belt (8) that both ends are connected in glue frame (2), is equipped between the shading rubber belt (8) and diffusion sheet (7)
Prismatic lens (9), each light source (3) are fitted with multiple first cooling fins (10) on the side of glue frame (2), each described
Heat-conducting metal bar (11) is fixedly connected on first cooling fin (10), multiple heat-conducting metal bars (11) are far from light source (3)
One end be both connected on the second cooling fin (12), second cooling fin (12) is positioned at the periphery of backboard (1), and each heat conduction
Metal sleeve (13) is arranged on the horizontal segment of metallic rod (11), is connected between the two neighboring metal sleeve (13) more
A semiconductor chilling plate (14).
2. a kind of backlight according to claim 1, it is characterised in that：First cooling fin (10) is rectangular, and the
One cooling fin (10) at least provided with three, is linearly spaced substantially equidistant in the vertical direction on each light source (3).
3. a kind of backlight according to claim 1, it is characterised in that：The heat-conducting metal bar (11) and the first cooling fin
(10) to be welded and fixed between, to be welded and fixed between the heat-conducting metal bar (11) and the second cooling fin (12).
4. a kind of backlight according to claim 1, it is characterised in that：The semiconductor chilling plate (14) is two neighboring
It at least provided with two between the metal sleeve (13), is linearly spaced substantially equidistant, and semiconductor chilling plate (14) and metallic sheath
To be welded and fixed between pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218710.7U CN207529070U (en) | 2017-09-22 | 2017-09-22 | A kind of backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218710.7U CN207529070U (en) | 2017-09-22 | 2017-09-22 | A kind of backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529070U true CN207529070U (en) | 2018-06-22 |
Family
ID=62570097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218710.7U Expired - Fee Related CN207529070U (en) | 2017-09-22 | 2017-09-22 | A kind of backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529070U (en) |
-
2017
- 2017-09-22 CN CN201721218710.7U patent/CN207529070U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20210922 |