CN206848656U - A kind of LED anti-blue lights backlight - Google Patents
A kind of LED anti-blue lights backlight Download PDFInfo
- Publication number
- CN206848656U CN206848656U CN201720984856.6U CN201720984856U CN206848656U CN 206848656 U CN206848656 U CN 206848656U CN 201720984856 U CN201720984856 U CN 201720984856U CN 206848656 U CN206848656 U CN 206848656U
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- China
- Prior art keywords
- plate
- diffusion sheet
- brightening piece
- bottom plate
- led
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Abstract
The utility model discloses a kind of LED anti-blue lights backlight,Including bottom plate,The upper surface of the bottom plate is provided with two installing plates,Opening position of two installing plate sides close to bottom surface is provided with reflector plate,The medial surface of two installing plates is equipped with LED light source,The upper surface of two installing plates is provided with lower diffusion sheet,The upper surface of the lower diffusion sheet is provided with lower brightening piece,The upper surface of the lower brightening piece is provided with upper brightening piece,The upper surface of the upper brightening piece is provided with upper diffusion sheet,The upper surface of the upper diffusion sheet is provided with waterproof membrane,The LED anti-blue light back light source structures are reasonable,Practicality is stronger,Blue light can be carried out by lower diffuser plate,The service life of the device can be improved by dust excluding plate and waterproof membrane,By bottom plate and heat emission hole the thermal diffusivity of the device can be made more preferable,Pass through LED light source,Upper brightening piece,Lower brightening piece,Reflector plate,Upper diffusion sheet and lower diffusion sheet make the illumination effect of the device more preferably,It is suitable for promoting the use of.
Description
Technical field
LED backlight technical field is the utility model is related to, specially a kind of LED anti-blue lights backlight.
Background technology
LED backlight is a kind of light source positioned at display back, and its illumination effect will directly influence display
Visual effect.In general, the light that can be seen, wavelength is between 400-700 nanometers, infrared ray, ripple of the wavelength more than 700 nanometers
Grow the ultraviolet below 400 nanometers to filter out by eye cornea and crystalline lens, the influence to human retina is maximum
Be blue light between 400-500 nanometers.Scientific investigations showed that contain largely not containing the inside in the spectrum come out from display
The high energy shortwave blue light of regular frequency, these shortwave blue lights have very high energies, can penetrate the through retina of crystalline lens, blue light
Irradiation retina can produce free radical, and these free radicals can cause retinal pigment epithelium to become feeble and die, and epithelial cell declines
Dying can cause photosensitive cell to lack nutrient so as to cause vision impairment, and irreversible injury is directly caused to ocular nerve, and aobvious
Show that the blue light of device results even in macular diseases and dyssomnias.
Patent such as application publication number CN205210478U discloses a kind of LED anti-blue lights backlight, including a light guide plate,
The LED light source for being arranged at the light guide plate side, the reflector plate being arranged at below the light guide plate, it is arranged on the light guide plate
Side may filter that the lower diffusion sheet of blue light, the lower brightening piece being set in turn in from bottom to top above the lower diffusion sheet, on add lustre to
Piece, upper diffusion sheet, the apparatus structure is simple, and practicality is poor, is unsuitable for promoting the use of.
Utility model content
The technical problems to be solved in the utility model is to overcome the defects of existing, there is provided a kind of LED anti-blue lights backlight, knot
Structure is reasonable, and practicality is stronger, can carry out blue light by lower diffuser plate, the device can be improved by dust excluding plate and waterproof membrane
Service life, by bottom plate and heat emission hole the thermal diffusivity of the device can be made more preferable, pass through LED light source, upper brightening piece, lower increasing
The illumination effect that mating plate, reflector plate, upper diffusion sheet and lower diffusion sheet make the device more preferably, is suitable for promoting the use of, can be effective
Solve the problems, such as in background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of LED anti-blue lights backlight, including bottom
Plate, the upper surface of the bottom plate are provided with two installing plates, and opening position of two installing plate sides close to bottom surface is provided with reflector plate, and two
The medial surface of individual installing plate is equipped with LED light source, and the upper surfaces of two installing plates is provided with lower diffusion sheet, the lower diffusion sheet it is upper
Surface is provided with lower brightening piece, and the upper surface of the lower brightening piece is provided with upper brightening piece, and the upper surface of the upper brightening piece is provided with upper
Diffusion sheet, the upper surface of the upper diffusion sheet are provided with waterproof membrane, and the upper surface of the waterproof membrane is provided with dust excluding plate, on the bottom plate
The left and right ends on surface are respectively equipped with a supporting plate, and the upper surface of the supporting plate is provided with fixed plate, the bottom plate it is front and rear
Side is respectively provided with a sealing plate.
As a kind of optimal technical scheme of the present utility model, the bottom plate is aluminium base, and the upper surface of the bottom plate is set
There is heat emission hole.
As a kind of optimal technical scheme of the present utility model, the outer surface of the lower diffusion sheet has filter blue light layer,
Connected between the fixed plate and waterproof membrane and bottom plate and reflector plate by waterproof glue bond.
As a kind of optimal technical scheme of the present utility model, the upper surface of the fixed plate is provided with through hole, the through hole
Fixed screw is inside slidably connected, the fixed plate is fixedly connected with installing plate by fixed screw.
As a kind of optimal technical scheme of the present utility model, the LED light source is provided with six and along the inner side of installing plate
Face equidistantly distributes, and the dust excluding plate is transparent glass layer.
Compared with prior art, the beneficial effects of the utility model are：The LED anti-blue light back light source structures are reasonable, practical
Property is stronger, can carry out blue light by lower diffuser plate, the service life of the device can be improved by dust excluding plate and waterproof membrane,
By bottom plate and heat emission hole the thermal diffusivity of the device can be made more preferable, pass through LED light source, upper brightening piece, lower brightening piece, reflection
The illumination effect that piece, upper diffusion sheet and lower diffusion sheet make the device more preferably, is suitable for promoting the use of.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model side structure schematic diagram.
In figure：1 bottom plate, 2 heat emission holes, 3 reflector plates, 4 installing plates, 5 dust excluding plates, diffusion sheet on 6, brightening piece, 8 times increasings on 7
Mating plate, 9 fixed plates, 10 circuit boards, 11 LED light sources, 12 sealing plates, 13 fixed screws, 14 waterproof membranes, 15 times diffusion sheets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of LED anti-blue lights backlight, including bottom plate 1,
The upper surface of bottom plate 1 is provided with two installing plates 4, and opening position of two sides of installing plate 4 close to bottom surface is provided with reflector plate 3, two
The medial surface of installing plate 4 is equipped with LED light source 11, and after switching on power, LED light source 11 is lighted, the upper table of two installing plates 4
Face is provided with lower diffusion sheet 15, and for light by diffusion sheet 15 under being reflected into of reflector plate 3, lower diffusion sheet 15 can be by light
Blue light filters out, and the upper surface of lower diffusion sheet 15 is provided with lower brightening piece 8, and the upper surface of lower brightening piece 8 is provided with upper brightening piece 7, on
The upper surface of brightening piece 7 is provided with upper diffusion sheet 6, and light passes through lower brightening piece 8, upper brightening piece 7 and upper diffusion sheet 6, finally made not
Light containing blue light shows the injury over the display, reduced to human eye, and the upper surface of upper diffusion sheet 6 is provided with waterproof membrane 14, prevents
The upper surface of moisture film 14 is provided with dust excluding plate 5, and dust excluding plate 5 and waterproof membrane 14 can protect the device, and extend the device uses the longevity
Life, the left and right ends of the upper surface of bottom plate 1 are respectively equipped with a supporting plate, and the upper surface of supporting plate is provided with fixed plate 9, bottom plate 1
Front and back sides are respectively provided with a sealing plate 12, and bottom plate 1 is aluminium base, and the upper surface of bottom plate 1 is provided with heat emission hole 2, lower diffusion sheet 15
Outer surface have filter blue light layer, it is gluing by waterproof between fixed plate 9 and waterproof membrane 14 and bottom plate 1 and reflector plate 3
Connection is closed, the upper surface of fixed plate 9 is provided with through hole, and fixed screw 13 is slidably connected in through hole, and fixed plate 9 and installing plate 4 are logical
Cross fixed screw 13 to be fixedly connected, LED light source 11 is provided with six and equidistantly distributed along the medial surface of installing plate 4, and dust excluding plate 5 is
Transparent glass layer.
When in use：After switching on power, LED light source 11 is lighted, and light is by diffusion under being reflected into of reflector plate 3
Piece 15, lower diffusion sheet 15 can filter out the blue light in light, and then light passes through lower brightening piece 8, upper brightening piece 7 and upper expansion
Discrete piece 6, the light without blue light is finally set to show the injury over the display, reduced to human eye, dust excluding plate 5 and waterproof membrane 14 can
To protect the device, extend the service life of the device.
The utility model is rational in infrastructure, and practicality is stronger, can carry out blue light by lower diffuser plate 15, pass through dust excluding plate
5 and waterproof membrane 14 can improve the service life of the device, the thermal diffusivity of the device can be made more by bottom plate 1 and heat emission hole 2
It is good, the device is made by LED light source 11, upper brightening piece 7, lower brightening piece 8, reflector plate 3, upper diffusion sheet 6 and lower diffusion sheet 15
Illumination effect more preferably, is suitable for promoting the use of.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of LED anti-blue lights backlight, including bottom plate（1）, it is characterised in that：The bottom plate（1）Upper surface be provided with two
Installing plate（4）, two installing plates（4）Opening position of the side close to bottom surface is provided with reflector plate（3）, two installing plates（4）Inner side
Face is equipped with LED light source（11）, two installing plates（4）Upper surface be provided with lower diffusion sheet（15）, the lower diffusion sheet（15）'s
Upper surface is provided with lower brightening piece（8）, the lower brightening piece（8）Upper surface be provided with upper brightening piece（7）, the upper brightening piece（7）
Upper surface be provided with upper diffusion sheet（6）, the upper diffusion sheet（6）Upper surface be provided with waterproof membrane（14）, the waterproof membrane（14）
Upper surface be provided with dust excluding plate（5）, the bottom plate（1）The left and right ends of upper surface are respectively equipped with a supporting plate, the support
The upper surface of plate is provided with fixed plate（9）, the bottom plate（1）Front and back sides be respectively provided with a sealing plate（12）.
A kind of 2. LED anti-blue lights backlight according to claim 1, it is characterised in that：The bottom plate（1）For aluminium base,
The bottom plate（1）Upper surface be provided with heat emission hole（2）.
A kind of 3. LED anti-blue lights backlight according to claim 1, it is characterised in that：The lower diffusion sheet（15）It is outer
Have filter blue light layer, the fixed plate in surface（9）And waterproof membrane（14）And bottom plate（1）And reflector plate（3）Between pass through
Waterproof glue bond connects.
A kind of 4. LED anti-blue lights backlight according to claim 1, it is characterised in that：The fixed plate（9）Upper surface
Provided with through hole, fixed screw is slidably connected in the through hole（13）, the fixed plate（9）And installing plate（4）Pass through fixed spiral shell
Silk（13）It is fixedly connected.
A kind of 5. LED anti-blue lights backlight according to claim 1, it is characterised in that：The LED light source（11）Provided with six
It is individual and along installing plate（4）Medial surface equidistantly distribute, the dust excluding plate（5）For transparent glass layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984856.6U CN206848656U (en) | 2017-08-08 | 2017-08-08 | A kind of LED anti-blue lights backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720984856.6U CN206848656U (en) | 2017-08-08 | 2017-08-08 | A kind of LED anti-blue lights backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848656U true CN206848656U (en) | 2018-01-05 |
Family
ID=60804642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720984856.6U Expired - Fee Related CN206848656U (en) | 2017-08-08 | 2017-08-08 | A kind of LED anti-blue lights backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206848656U (en) |
-
2017
- 2017-08-08 CN CN201720984856.6U patent/CN206848656U/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 |
Granted publication date: 20180105 Termination date: 20180808 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |