CN206280810U - Backlight assembly and display - Google Patents
Backlight assembly and display Download PDFInfo
- Publication number
- CN206280810U CN206280810U CN201621125562.XU CN201621125562U CN206280810U CN 206280810 U CN206280810 U CN 206280810U CN 201621125562 U CN201621125562 U CN 201621125562U CN 206280810 U CN206280810 U CN 206280810U
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- backlight assembly
- diffuser plate
- diffusion
- lamp bar
- reflection portion
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Abstract
The utility model provides a kind of backlight assembly and the display comprising the backlight assembly, including backboard, lamp bar, reflector plate and diffuser plate, the lamp bar is located at backboard inner side, the reflector plate is located at the lamp bar surrounding, the diffuser plate is provided with several auxiliary diffusion depressions located at lamp bar front side, the rear plate face of the diffuser plate.The backlight assembly that the utility model is provided, auxiliary diffusion depression is set using the rear plate face in diffuser plate, form the structure for being capable of further diffusing light of similar lens, shorten light mixing distance, so that the hypotelorism of light source and diffuser plate, and then the overall thickness of backlight assembly can be reduced, and the reduction of whole machine thickness may finally be realized, be conducive to the ultrathin of display to design.
Description
Technical field
The utility model belongs to display technology field, is to be related to a kind of backlight assembly and comprising the backlight more specifically
The display of component.
Background technology
At present, the display such as TV class product, also improves constantly to product while display effect and performance is pursued
The pursuit of moulding, the ultrathin display of good appearance is increasingly pursued.Using the backlight of straight-down negative more than current display
Mode works, many backlight assemblies using flat-faced tube structure in down straight aphototropism mode set, general on backlight assembly only to spread
Particle is diffused, and improves screening performance so that down straight aphototropism mode set needs larger light mixing distance, and backlight assembly takes empty
Between it is larger, it is thick that whole machine may appear to comparing, is unfavorable for further carrying out ultrathin design to display.
Utility model content
The purpose of this utility model is to provide a kind of backlight assembly, it is intended to solve light mixing distance present in prior art
Long, backlight assembly takes up room greatly, and then is unfavorable for the problem of ultrathin design.
To achieve the above object, the technical solution adopted in the utility model is：A kind of backlight assembly is provided, including：Backboard,
Lamp bar, reflector plate and diffuser plate, the lamp bar is located at backboard inner side, and the reflector plate is located at the lamp bar surrounding, described
Diffuser plate is provided with several auxiliary diffusion depressions located at lamp bar front side, the rear plate face of the diffuser plate.
Further, the auxiliary diffusion depression is the spherical depressed part being spaced and be uniformly arranged.
Further, the diffuser plate be combined type multilayer diffuser plate, including substrate layer and located at the substrate layer front side
Superficial layer.
Further, the auxiliary diffusion depression is provided with rear side of the substrate layer, front side is provided with diffusion projection, the table
The secondary auxiliary diffusion depression for corresponding and being brought into close contact raised with the diffusion is provided with rear side of surface layer.
Further, the raised position of the diffusion corresponds with the auxiliary diffusion recessed position.
Further, the diffusion is raised for spherical is raised, and the raised surface of sphere of the diffusion is not more than the auxiliary
Spread the surface of sphere of depression.
Further, the front face of the diffuser plate is provided with scattering particles layer.
Further, scattering particles layer is sequentially reduced for particle diameter the first scattering particles, the second scattering particles and the
Three scattering particles are uniformly mixed to form.
Further, the reflector plate is set around the lamp bar, and the reflector plate includes that plane reflection portion and inclined-plane are anti-
Portion is penetrated, the slant reflection portion is 100 ° -170 ° with the angle α in the plane reflection portion, and the plane reflection portion is annular, its
Inner face is brought into close contact with the side of the lamp bar, and the front end in the slant reflection portion abuts with the edge of the diffuser plate.
The beneficial effect of backlight assembly that the utility model is provided is：Compared with prior art, the utility model backlight
Component sets auxiliary diffusion depression using the rear plate face in diffuser plate, forms the knot for being capable of further diffusing light of similar lens
Structure, shortens light mixing distance so that the hypotelorism of light source and diffuser plate, and then can reduce the overall thickness of backlight assembly,
The reduction of whole machine thickness may finally be realized, is conducive to the ultrathin of display to design.
The utility model also provides a kind of display, comprising above-mentioned backlight assembly.
The utility model provide display compared with prior art, by use the above-mentioned backlight group with lower thickness
It is more frivolous that the thickness of the whole machine of part display can be designed so that display product is more attractive in appearance.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model embodiment one is provided；
Fig. 2 is the partial enlarged drawing of Fig. 1；
Fig. 3 is the partial structural diagram of diffuser plate in Fig. 1；
Fig. 4 is the structural representation that the utility model embodiment two is provided；
Fig. 5 is the structural representation that the utility model embodiment three is provided；
The structural representation that Fig. 6 is provided for the utility model example IV；
Fig. 7 is the partial structurtes enlarged drawing of Fig. 6.
In figure：1st, backboard；2nd, lamp bar；3rd, reflector plate；4th, diffuser plate；5th, auxiliary diffusion depression；6th, substrate layer；7th, surface
Layer；8th, spread raised；9th, secondary auxiliary diffusion depression；10th, scattering particles layer；11st, the first scattering particles；12nd, the second scattering grain
Son；13rd, the 3rd scattering particles；14th, plane reflection portion；15th, slant reflection portion.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to the utility model.It should be appreciated that specific reality described herein
Apply example to be only used to explain the utility model, be not used to limit the utility model.
Also referring to Fig. 1 to Fig. 7, now the backlight assembly that the utility model is provided is illustrated.The backlight assembly,
Including backboard 1, lamp bar 2, reflector plate 3 and diffuser plate 4, the lamp bar 2 is located at institute located at the inner side of the backboard 1, the reflector plate 3
The surrounding of lamp bar 2 is stated, the diffuser plate 4 is provided with several auxiliary located at the front side of the lamp bar 2, the rear plate face of the diffuser plate 4
Diffusion depression 5.After the LED in lamp bar 2 emits beam, light thinks the rear plate face of diffuser plate 4 from multiple angular illuminations, tradition
The diffuser plate 4 of structure allows light to reflect at plate face with plane, and it is smaller that the refraction of light retrodeviates gyration, and sets auxiliary
After diffusion depression 5, the structure of several similar concavees lens is formed at the rear plate face of diffuser plate 4, can received from multiple angles
The light of degree, and help light fully to be spread in relatively short distance.
The backlight assembly that the utility model is provided, compared with prior art, auxiliary is set using the rear plate face in diffuser plate
Diffusion depression, forms the structure for being capable of further diffusing light of similar lens, shortens light mixing distance so that light source with spread
The hypotelorism of plate, and then the overall thickness of backlight assembly can be reduced, the reduction of whole machine thickness may finally be realized, be conducive to
The ultrathin design of display.At present, conventional light mixing distance is 20mm-40mm, after auxiliary diffusion depression 5 is set, mixed light away from
From that can be reduced to 5mm-15mm, this is again a significant progress in ultrathin design.
Further, Fig. 1 to Fig. 7 is referred to, a kind of specific embodiment party of the backlight assembly provided as the utility model
Formula, the auxiliary diffusion depression 5 is the spherical depressed part being spaced and be uniformly arranged.The sunk structure of spherical is closest to original
The structure of the concavees lens of beginning, not only easy to process, diffusion effect is also very good, can be by adjusting the ball of spherical sunk structure
Face degree obtains the scope (maximum angle) that the light most matched with actually used situation spreads, also, the structure of depression can also
Increase order of reflection of the light that sends of light source in sunk structure, and then light can be improved and be refracted into inside diffuser plate 4
Efficiency, be conducive to improve diffuser plate emergent ray brightness so that display effect is more preferable.
Further, not shown in figure, a kind of specific embodiment of the backlight assembly provided as the utility model, institute
State and some point source of lights are set in lamp bar 2, be all covered with spreading concavees lens structure outside each described point source of light.At light source
Directly covering diffusion concavees lens structure, is that the auxiliary in the diffusion first carried out to light source emergent ray, with foregoing diffuser plate expands
Dissipate depression 5 to be engaged, equivalent to being spread twice, can further shorten light mixing distance, and then shorten light source with diffusion
The spacing of plate 4.
Further, Fig. 4 to Fig. 5 is referred to, a kind of specific embodiment party of the backlight assembly provided as the utility model
Formula, the diffuser plate 4 is combined type multilayer diffuser plate, including substrate layer 6 and the superficial layer 7 located at the front side of the substrate layer 6.It is many
Layer diffuser plate takes full advantage of the refractive index of different layers and the difference of light transmittance, is capable of the printing opacity of larger range of adjustment diffuser plate
Rate and the uniformity of diffusion, due to the material of can also be adulterated in the material of the different layers scattering of influence light or refraction so that expand
The performance for falling apart can be improved by different combinations, be a kind of very efficient and practical diffusion board structure.This implementation
In example, substrate layer 6 is mainly used in carrying out light basic mixed light diffusion, and superficial layer can then add ultraviolet radiation absorption
Agent, and then absorb most of ultraviolet, so as not to the ultraviolet light long-term irradiation that is sent by light source of liquid crystal and occurring damage or
Person deteriorates.
Preferably, the ultra-violet absorber can be fluorescent whitening agent, antistatic additive etc..
Preferably, it is added with for enabling light that the expansion that mixed light spreads further to occur in substrate layer 6 and superficial layer 7
Scattered seed.The parameters such as the refractive index and particle diameter of granule proliferation distinguish setting according to the material difference of substrate layer 6 and superficial layer 7,
To reach optimal diffusion effect.
Further, also referring to Fig. 4 to Fig. 5, a kind of specific reality of the backlight assembly provided as the utility model
Mode is applied, in order to further enhance diffusion effect, the rear side of the substrate layer 6 is provided with the auxiliary diffusion depression 5, and front side is provided with
Diffusion raised 8, the rear side of the superficial layer 7 is provided with the secondary auxiliary for corresponding and being brought into close contact with the diffusion raised 8 and expands
Dissipate depression 9.Light by continuing mixed light diffusion after the One Diffusion Process of auxiliary diffusion depression 5 in the substrate layer 6, will be to
When superficial layer 7 is incident, diffusion projection 8 outwardly on substrate layer 6 can carry out secondary diffusion to light, with superficial layer 7 in after
The secondary auxiliary diffusion depression 9 having in plate face is engaged, and one group of lens arrangement for being capable of diffusing light is formd again, is conducive to
Further shorten light mixing distance.
Specifically, also referring to Fig. 4 to Fig. 5, a kind of specific implementation of the backlight assembly provided as the utility model
Mode, the position of diffusion raised 8 can not correspond with the position of auxiliary diffusion depression 5, and the more crypto set that can be set comes
Adapt to the demand of diffusion.But, it is described in order under the conditions of processing simply is met, further improve the efficiency of light diffusion
The position of diffusion raised 8 corresponds with 5 positions of the auxiliary diffusion depression.
Specifically, also referring to Fig. 4 to Fig. 5, a kind of specific implementation of the backlight assembly provided as the utility model
Mode, the diffusion raised 8 is raised spherical, and the surface of sphere of the diffusion raised 8 is not more than the auxiliary diffusion depression 5
Surface of sphere.Spheric projection is conducive to receiving the light from the inside multi-angle of substrate layer 6, and will with maximally effective refraction angle
Light is diffused into superficial layer 7.The direction propagated in substrate layer 6 due to light has a uncertainty, thus set it is multiple compared with
The diffusion projection 8 of small receiving area (less surface of sphere), is conducive to fully receiving the light inside substrate layer 6, improves light
Outgoing efficiency from substrate layer 6, is conducive to improving the brightness of diffusing light, and then improves display effect.
Further, also referring to Fig. 6 to Fig. 7, a kind of specific reality of the backlight assembly provided as the utility model
Mode is applied, in order to improve the mist degree index of diffuser plate, the front face of the diffuser plate 4 is provided with scattering particles layer 10.
Mist degree is also called turbidity, and it can weigh the unintelligible or muddy degree of transparent or semitransparent material, and it is to characterize to dissipate
The index penetrated.The generation of mist degree is the outward appearance of the cloud or muddiness caused due to material internal or outer surface light scattering, its
It is specifically defined as：The percentage of the ratio between material scattering luminous flux and permeable material luminous flux.Mist degree index is equal with light transmittance index
It is the important measurement index of diffuser plate performance, it is general to require all to improve two indices as far as possible and reach certain balance, so
Preferable display effect can be obtained.Therefore, relatively thin scattering particles layer is coated on the exit facet of diffuser plate, can be effectively improved
The scattering of emergent ray, and then reach the effect for improving mist degree index.
Further, Fig. 6 to Fig. 7 is referred to, a kind of specific embodiment party of the backlight assembly provided as the utility model
Formula, the first scattering particles 11, the second scattering particles 12 and the 3rd scattering particles that the scattering particles layer is sequentially reduced for particle diameter
13 are uniformly mixed to form.Three kinds of scattering particles, can by special coating processes in diffuser plate 4 is uniformly distributed in coating fluid
It is uniformly distributed on diffuser plate top layer such that it is able to ensure uniform light outgoing, brightness uniformity is occurred without local highlighted or uneven
Phenomenon.Three kinds of scattering particles particle diameters are different, are conducive to strengthening dispersion effect, and the particle diameter of the 3rd scattering particles 13 will be far smaller than
The particle diameter of the second scattering particles 12, by the interval action of the 3rd scattering particles 13, can strengthen the flexible of scattering particles layer 10
Property, and the abrasion to diffuser plate plate face can be reduced.
Further, Fig. 1 to Fig. 2 is referred to, a kind of specific embodiment party of the backlight assembly provided as the utility model
Formula, the reflector plate 3 is set around the lamp bar 2, and the reflector plate 3 includes plane reflection portion 14 and slant reflection portion 15, institute
It is 100 ° -170 ° that slant reflection portion 15 is stated with the angle α in the plane reflection portion 14, and the plane reflection portion 14 is annular, its
Inner face is brought into close contact with the side of the lamp bar 2, and front end and the edge of the diffuser plate 4 in the slant reflection portion 15 are supported
Connect.Plane reflection portion 14 is in close contact the fitting limit edge of lamp bar 2, and slant reflection portion 15 sets according to the shape of backboard 1, makes
Obtain reflector plate 3 and form the structure that can surround the space that lamp bar 2 is formed with diffuser plate 4, can farthest by lamp bar 2
Whole light that light source is projected are reflexed in the rear plate face of diffuser plate 4, improve the utilization rate of light, and then improve backlight assembly
Operating efficiency.The slant reflection portion 15 can make the light in edge effective with the angle α in the plane reflection portion 14
Reflex on diffuser plate 4.Preferably, angle α is 160 °.
Further, not shown in figure, a kind of specific embodiment of the backlight assembly provided as the utility model, institute
White reflection film is equipped with the reflecting surface for stating plane reflection portion 14 and slant reflection portion 15.White reflection film can make reflector plate
3 itself do not absorb light, and the emergent ray of light source will be all reflected onto on diffuser plate 4, improve the operating efficiency of backlight assembly.
The utility model also provides a kind of display.The display includes above-mentioned backlight assembly.
The display that the utility model is provided, employs the thickness of the above-mentioned whole machine of backlight assembly display with lower thickness
It is more frivolous that degree can be designed so that display product is more attractive in appearance.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. backlight assembly, including backboard, lamp bar, reflector plate and diffuser plate, the lamp bar is located at backboard inner side, the reflection
Piece is located at the lamp bar surrounding, and the diffuser plate is located at lamp bar front side, it is characterised in that：In the rear plate face of the diffuser plate
It is provided with several auxiliary diffusion depressions.
2. backlight assembly as claimed in claim 1, it is characterised in that：The auxiliary diffusion depression is spaced and is uniformly arranged
Spherical depressed part.
3. backlight assembly as claimed in claim 2, it is characterised in that：The diffuser plate is combined type multilayer diffuser plate, including
Substrate layer and the superficial layer on front side of the substrate layer.
4. backlight assembly as claimed in claim 3, it is characterised in that：The auxiliary diffusion is provided with rear side of the substrate layer recessed
Fall into, front side is provided with spreads projection, be provided with secondary with what the diffusion projection was corresponded and was brought into close contact on rear side of the superficial layer
Level auxiliary diffusion depression.
5. backlight assembly as claimed in claim 4, it is characterised in that：The raised position of the diffusion is recessed with the auxiliary diffusion
Position is fallen into correspond.
6. backlight assembly as claimed in claim 5, it is characterised in that：The diffusion is raised for spherical is raised, the diffusion
Raised surface of sphere is not more than the surface of sphere of the auxiliary diffusion depression.
7. backlight assembly as claimed in claim 1, it is characterised in that：The front face of the diffuser plate is provided with scattering particles
Layer.
8. backlight assembly as claimed in claim 7, it is characterised in that：Scattering particles layer for particle diameter be sequentially reduced first
Scattering particles, the second scattering particles and the 3rd scattering particles are uniformly mixed to form.
9. backlight assembly as claimed in claim 1, it is characterised in that：The reflector plate is set around the lamp bar, described anti-
Piece is penetrated including plane reflection portion and slant reflection portion, the angle α in the slant reflection portion and the plane reflection portion for 100 °-
170 °, the plane reflection portion is annular, and its inner face is brought into close contact with the side of the lamp bar, before the slant reflection portion
End abuts with the edge of the diffuser plate.
10. display, it is characterised in that：Including the backlight assembly as described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125562.XU CN206280810U (en) | 2016-10-14 | 2016-10-14 | Backlight assembly and display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621125562.XU CN206280810U (en) | 2016-10-14 | 2016-10-14 | Backlight assembly and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280810U true CN206280810U (en) | 2017-06-27 |
Family
ID=59085695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621125562.XU Active CN206280810U (en) | 2016-10-14 | 2016-10-14 | Backlight assembly and display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047400A (en) * | 2019-03-31 | 2019-07-23 | 湖南凯星电子科技有限公司 | A kind of lens diffuser plate and illuminating module and its modularity lamp box |
| CN110164331A (en) * | 2019-03-31 | 2019-08-23 | 湖南凯星电子科技有限公司 | A kind of astigmatism mould group and lamp box |
| CN110164330A (en) * | 2019-03-31 | 2019-08-23 | 湖南凯星电子科技有限公司 | A kind of lens astigmatism plate and backlight module and its modularity lamp box |
-
2016
- 2016-10-14 CN CN201621125562.XU patent/CN206280810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047400A (en) * | 2019-03-31 | 2019-07-23 | 湖南凯星电子科技有限公司 | A kind of lens diffuser plate and illuminating module and its modularity lamp box |
| CN110164331A (en) * | 2019-03-31 | 2019-08-23 | 湖南凯星电子科技有限公司 | A kind of astigmatism mould group and lamp box |
| CN110164330A (en) * | 2019-03-31 | 2019-08-23 | 湖南凯星电子科技有限公司 | A kind of lens astigmatism plate and backlight module and its modularity lamp box |
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