CN110264869A - Optics is adjusted and controlled, backlight module and display device - Google Patents
Optics is adjusted and controlled, backlight module and display device Download PDFInfo
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- CN110264869A CN110264869A CN201910503662.3A CN201910503662A CN110264869A CN 110264869 A CN110264869 A CN 110264869A CN 201910503662 A CN201910503662 A CN 201910503662A CN 110264869 A CN110264869 A CN 110264869A
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- light source
- top plate
- loophole
- optics
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention discloses a kind of adjusted and controlled optics, backlight module and display device, wherein, adjusted and controlled optics includes top plate, two side plates and light modulation structure, wherein, one end of two side plates is connect with top plate respectively, the other end is respectively used to installation to reflected bottom plate, to form a regulation space for being used for the cover light source with top plate, the first loophole has been provided on every side plate, light modulation structure is set to the inner sidewall of top plate, and the light for increasing light source is pierced by the quantity outside regulation space through the first loophole from after top plate reflection.In technical solution provided by the invention, light modulation structure is equipped on the inner sidewall of top plate, play the effect of enhancing light reflection or the direction of transfer of changing section light, the light for increasing light source is pierced by the quantity outside regulation space through the first loophole from after top plate reflection, the uniformity for improving light distribution, also improves display quality.
Description
Technical field
The present invention relates to flat-panel screens technical field, in particular to a kind of optics is adjusted and controlled, backlight module and display
Device.
Background technique
Optics is adjusted and controlled a large amount of application in backlight module, and the light that light source issues is adjusted and controlled by optics
It is projected outside backlight module after the direction of transfer or distribution mode of the light that guidance is issued with adjustment light source, although however, backlight
Have that optics is adjusted and controlled to adjust the direction of transfer or distribution mode of light in module, but still has slightly bright dark distribution not
Therefore how equal phenomenon enables backlight module issue the light of brightness uniformity, be always what this field to be inquired into
Target.
Summary of the invention
The main object of the present invention is to propose a kind of adjusted and controlled optics, backlight module and display device, it is intended to improve light
The uniformity of line distribution, to mention high display quality.
To achieve the above object, optics proposed by the present invention is adjusted and controlled, comprising:
Top plate；
Two side plates, one end of two side plates are connect with the top plate respectively, and the other end is respectively used to installation to institute
It states in reflected bottom plate, to form a regulation space for being used for the cover light source with the top plate, the has been provided on each side plate
One loophole；And
Light modulation structure, set on the inner sidewall of the top plate, for increasing the light of the light source from after top plate reflection
It is pierced by through first loophole to the quantity outside the regulation space.
Optionally, the light modulation structure is the reflecting layer of the inner sidewall set on the top plate.
Optionally, the material in the reflecting layer is one of aluminium, aluminium alloy, silver and silver alloy.
Optionally, the reflecting layer with a thickness of L, and 10 μm≤L≤20 μm.
Optionally, the first loophole setting is multiple；Alternatively,
Multiple second loopholes have been provided on the top plate.
Optionally, multiple first loophole apertures are different, wherein biggish first loophole in aperture is used for phase
First loophole lesser to aperture is in be arranged far from the light source；Alternatively,
Multiple second loophole apertures are different, wherein biggish second loophole in aperture is used for relative aperture
Lesser second loophole is in be arranged far from the light source.
Optionally, multiple first loopholes are used to be in be greater than adjacent to described far from the distribution density at the light source
It is arranged at light source；Alternatively,
Multiple second loopholes are used to be in be greater than at the neighbouring light source far from the distribution density at the light source
Setting.
The present invention also proposes that a kind of backlight module, the backlight module include:
Reflected bottom plate；
Light source is set in the reflected bottom plate；And
Optics is adjusted and controlled, is set to the reflected bottom plate, and in the setting of light source described in the cover；
Wherein, the optics is adjusted and controlled includes:
Top plate；
Two side plates, one end of two side plates are connect with the top plate respectively, and the other end is respectively used to installation to institute
It states in reflected bottom plate, to form a regulation space for being used for the cover light source with the top plate, the has been provided on each side plate
One loophole；And
Light modulation structure, set on the inner sidewall of the top plate, for increasing the light of the light source from after top plate reflection
It is pierced by through first loophole to the quantity outside the regulation space.
Optionally, the light source setting is multiple, and is spaced and lays along the length direction of the top plate.
The present invention also proposes that a kind of display device, the display device include backlight module, and the backlight module includes:
Reflected bottom plate；
Light source is set in the reflected bottom plate；And
Optics is adjusted and controlled, is set to the reflected bottom plate, and in the setting of light source described in the cover；
Wherein, the optics is adjusted and controlled includes:
Top plate；
Two side plates, one end of two side plates are connect with the top plate respectively, and the other end is respectively used to installation to institute
It states in reflected bottom plate, to form a regulation space for being used for the cover light source with the top plate, the has been provided on each side plate
One loophole；And
Light modulation structure, set on the inner sidewall of the top plate, for increasing the light of the light source from after top plate reflection
It is pierced by through first loophole to the quantity outside the regulation space.
In technical solution provided by the invention, the first loophole has been provided on each side plate, the light of light source is from institute
The first loophole is stated to be pierced by, on the inner sidewall of the top plate be equipped with light modulation structure, play enhancing light reflection effect or
The direction of transfer of changing section light, the light for increasing the light source are worn from after top plate reflection through first loophole
Out to the quantity outside the regulation space, the uniformity of light distribution is improved, display quality is also improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the stereochemical structure signal of an embodiment of backlight module provided by the invention (including that optics is adjusted and controlled)
Figure；
Fig. 2 be Fig. 1 in along A-A to schematic cross-sectional view；
Fig. 3 be Fig. 2 latus inframedium first embodiment along B to view schematic diagram；
Fig. 4 be Fig. 2 latus inframedium second embodiment along B to view schematic diagram；
Fig. 5 be Fig. 2 in top plate first embodiment along C to view schematic diagram；
Fig. 6 be Fig. 2 in top plate second embodiment along C to view schematic diagram.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the meaning of the "and/or" occurred in full text, including three schemes arranged side by side, by taking " A and/or B " as an example, including the side A
The scheme that case or B scheme or A and B meet simultaneously.In addition, the technical solution between each embodiment can be combined with each other, but
To be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is conflicting or can not
Will be understood that the combination of this technical solution is not present when realization, also not the present invention claims protection scope within.
Optics in the present invention is adjusted and controlled be a high reflectance three-dimensional porous catoptric arrangement, inner surface has height
Reflexive function, the direction of transfer and distribution mode of the light that adjustable light source is issued can subtract for save the cost
The quantity of few light source setting, the larger distance that adjacent light source can be arranged reduce the density of light source, in this structure,
Light a part that light source issues can be directed through the hole at the adjusted and controlled top of optics and the hole of side wall, a part of light
It can be passed through the hole of side wall after its top reflective, and directive reflected bottom plate, farther out due to two structural distances, by top reflective
It will cause the dark between two structures directly through the hole of side wall later, just will appear light brightness unevenness at this time.
In consideration of it, the present invention proposes that a kind of optics is adjusted and controlled, wherein Fig. 1 to Fig. 2 is optics provided by the invention regulation
The schematic diagram of one embodiment of structure.
Fig. 1 to Fig. 2 is please referred to, the optics adjusted and controlled 100 includes 1, two side plate 2 of top plate and light modulation structure 3,
In, one end of two side plates 2 is connect with the top plate 1 respectively, and the other end is respectively used to installation to the reflected bottom plate 10
On, to form a regulation space 4 for being used for the cover light source 20 with the top plate 1, the first light transmission has been provided on each side plate 2
Hole 21, the light modulation structure 3 are set to the inner sidewall of the top plate 1, and the light for increasing the light source is reflected from the top plate 1
It is pierced by by first loophole 21 to the quantity outside the regulation space 4.
In technical solution provided by the invention, the first loophole 21, the light of light source 20 have been provided on each side plate 2
It is pierced by from first loophole 21, light modulation structure 3 is equipped on the inner sidewall of the top plate 1, play enhancing light reflection
The direction of transfer of effect or changing section light increases the light of the light source 20 from after the top plate 1 reflection through described
First loophole 21 is pierced by the quantity outside the regulation space 4, is improved the uniformity of light distribution, is also improved display matter
Amount.
It should be noted that not limiting the specific setting form of the light modulation structure 3 in the present invention, such as can be in institute
The reflecting layer for stating the inner sidewall setting of top plate 1, is reflected by the light enhanced in the 1 inner sidewall original echo area of top plate, is increased
Light, which is pierced by, can also be to the quantity outside the regulation space 4 in the diffusion structure of the inner sidewall setting of the top plate 1, change
The direction of transfer of some light become outside the 1 inner sidewall original echo area of top plate reaches increase light and is pierced by the regulation space
Quantity outside 4 can be provided with the reflecting layer and diffusion structure in 1 inner sidewall of top plate simultaneously, can play well certainly
Increase light to be pierced by the effect of the quantity outside the regulation space 4.
Specifically, in the embodiment of the present invention, referring to Fig. 2, the light modulation structure 3 is set on the inside of the top plate 1
The reflecting layer 3a of wall enhances the light reflection in the 1 inner sidewall original echo area of top plate, increases light and be pierced by the regulation
Quantity outside space 4, the material of the reflecting layer 3a is one of aluminium, aluminium alloy, silver and silver alloy, such as in suitable temperature
A kind of metal coating is formed under degree, pressure, there is preferable mirror effect, increase the light of the light source 20 through described first
Loophole 21 is pierced by the quantity outside the regulation space 4, the uniformity of light distribution is improved, in addition, implementation of the invention
In example, the reflecting layer 3a with a thickness of L, and 10 μm≤L≤20 μm ensure that the reflecting layer 3a has preferably regulation effect
On the basis of fruit, material has been saved.
The (not shown) in the embodiment for the diffusion structure that the inner sidewall of the top plate 1 is arranged, can be by the top plate 1
Region other than inner sidewall original echo area is arranged to rough surface, for example, frosting etc., and the inner sidewall for reducing the top plate 1 is former
Finish other than echo area can also be the inner sidewall original reflection in the top plate 1 with the direction of transfer of changing section light
Interregional every laying diffusion particle other than area, the diffusion particle can be small made of polymethyl methacrylate (PMMA)
Particle has preferable diffusion to light, increase the light of the light source 20 through first loophole 21 be pierced by
Quantity outside the regulation space 4, improves the uniformity of light distribution.
It should be noted that the three-dimensional porous catoptric arrangement of the optics adjusted and controlled 100 can in the embodiment of the present invention
The direction of transfer and distribution mode for the light that adjustment light source 20 is issued, the side plate 2 of the optics adjusted and controlled 100 can have
Multiple first loopholes 21 that quantity is different or aperture is different, make the different zones of side plate 2 have different light transmission capacities, similarly,
The top plate 1 also can have multiple second loopholes 11 that quantity is different or aperture is different, and make the not same district of the top plate 1
Also there is different light transmission capacities in domain.
Specifically, for the distribution of balanced light, in the embodiment of the present invention, the optics adjusted and controlled 100 makes institute
It states backlight module 1000 and lesser light transmission capacity is set in the position by close to sources 20, it is biggish in the position setting far from light source 20
Light transmission capacity, it is corresponding on the aperture and distribution density of loophole to achieve the purpose that balanced light, in the position far from light source 20
It is arranged that aperture is larger and/or the biggish loophole of density, smaller by the position of close to sources 20 setting aperture and/or density is smaller
Loophole so that light equiblibrium mass distribution.
It should be noted that can only consider that loophole pore size is arranged, it is also contemplated that the distribution of setting loophole
Density, certainly, while in view of loophole aperture and distribution density can balanced light well distribution, referring to Fig. 1, in order to
Single loophole, but actually light transmission hole number, position, size are succinctly only shown on the top plate 1 and the side plate 2
It is not limitation with schema, specifically, referring to Fig. 3, in the embodiment for only considering setting loophole pore size, Duo Gesuo
State 21 aperture of the first loophole difference, wherein biggish first loophole, 21 relative aperture lesser described first in aperture
Loophole 21 is in be arranged far from the light source 20, similarly, referring to Fig. 5, multiple second loophole, 11 apertures are different,
In, biggish second loophole 11 in aperture is in far from the light source for lesser second loophole 11 of relative aperture
20 settings, in the embodiment for only considering setting loophole distribution density, referring to Fig. 4, multiple first loopholes 21 exist
It is in be greater than at the neighbouring light source 20 to be arranged far from the distribution density at the light source 20, similarly, referring to Fig. 6, multiple institutes
Stating the second loophole 11 is being in be greater than at the neighbouring light source 20 to be arranged far from the distribution density at the light source 20, two above
Embodiment can balanced light well distribution.
In addition, the region above corresponding light source 20 is described when considering the distribution density of pore size and loophole simultaneously
The top plate 1 of optics adjusted and controlled 100 has aperture smaller and the second loophole 11 of negligible amounts, to allow lower light transmission
Amount, relatively, in other regions far from light source 20, the top plate 1 of the optics adjusted and controlled 100 has aperture larger and quantity
The second more loophole 11, to provide higher light transmission capacity；Similarly, the side plate 2 of the optics adjusted and controlled 100 is relatively leaning on
The position for the light direct projection that close to sources 20 is issued has lesser first loophole 21 of negligible amounts and aperture, the optics tune
The side plate 2 for controlling structure 100 has quantity more biggish with aperture at the position of the light direct projection issued further away from light source 20
First loophole 21, whereby, the light that the light source 20 is issued can first pass through adjusted and controlled its distribution of 100 adjustment of the optics
It is just transmitted outward after kenel, to promote the uniformity of light.
The present invention also proposes a kind of backlight module 1000, the backlight module 1000 include reflected bottom plate 10, light source 20 and
Optics adjusted and controlled 100, the light source 20 are set in the reflected bottom plate 10, and the optics adjusted and controlled 100 is set to described anti-
Bottom plate 10 to be penetrated, and is arranged in light source 20 described in the cover, backlight module 1000 proposed by the present invention includes optics adjusted and controlled 100,
Therefore also with all technical features of the optics adjusted and controlled 100, whole technical effects with above-mentioned technical characteristic, this
Place no longer repeats one by one.
It, can be using rivet arrangement or by the way of pasting by the optics adjusted and controlled 100 in the embodiment of the present invention
Be fixed in the reflected bottom plate 10 of backlight module 1000, the light source 20 be arranged it is multiple, and along the length direction of the top plate 1
Interval is laid, and multiple light sources 20 are combined with the optics adjusted and controlled 100 forms a lamp bar structure, described to provide
The light source 20 of backlight module 1000.
The present invention also proposes a kind of display device, and the display device can be computer monitor or TV etc., described
Display device includes the backlight module 1000, it may have all technical features of the backlight module 1000 have above-mentioned skill
Whole technical effects of art feature, no longer repeat one by one herein.
The foregoing is merely alternative embodiments of the invention, are not intended to limit the scope of the invention, all at this
Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly
He is included within the scope of the present invention relevant technical field.
Claims (10)
1. a kind of optics is adjusted and controlled, for being set to the reflected bottom plate of backlight module, which is characterized in that the optics regulation knot
Structure includes:
Top plate；
Two side plates, one end of two side plates are connect with the top plate respectively, and the other end is respectively used to install to described anti-
It penetrates on bottom plate, to form a regulation space for being used for the cover light source with the top plate, first has been provided on each side plate thoroughly
Unthreaded hole；And
Light modulation structure, set on the inner sidewall of the top plate, for increasing the light of the light source from after top plate reflection through institute
The first loophole is stated to be pierced by the quantity outside the regulation space.
2. optics as described in claim 1 is adjusted and controlled, which is characterized in that the light modulation structure is in the top plate
The reflecting layer of side wall.
3. optics as claimed in claim 2 is adjusted and controlled, which is characterized in that the material in the reflecting layer is aluminium, aluminium alloy, silver
And one of silver alloy.
4. optics as claimed in claim 2 is adjusted and controlled, which is characterized in that the reflecting layer with a thickness of L, and 10 μm≤L
≤20μm。
5. optics as described in claim 1 is adjusted and controlled, which is characterized in that the first loophole setting is multiple；Alternatively,
Multiple second loopholes have been provided on the top plate.
6. optics as claimed in claim 5 is adjusted and controlled, which is characterized in that multiple first loophole apertures are different,
In, biggish lesser first loophole of first loophole relative aperture in aperture is in be arranged far from the light source；Or
Person,
Multiple second loophole apertures are different, wherein the biggish lesser institute of second loophole relative aperture in aperture
Stating the second loophole is in be arranged far from the light source.
7. optics as claimed in claim 5 is adjusted and controlled, which is characterized in that thoroughly far from multiple described first at the light source
The distribution density of unthreaded hole is greater than the distribution density of multiple first loopholes at the neighbouring light source；Alternatively,
Distribution density far from multiple second loopholes at the light source is greater than multiple described at the neighbouring light source
The distribution density of second loophole.
8. a kind of backlight module characterized by comprising
Reflected bottom plate；
Light source is set in the reflected bottom plate；And
Optics is adjusted and controlled, is set to the reflected bottom plate, and in the setting of light source described in the cover, the optics is adjusted and controlled for as weighed
Benefit requires optics described in 1 to 7 any one adjusted and controlled.
9. backlight module as claimed in claim 8, which is characterized in that the light source setting is multiple, and along the length of the top plate
It spends to be spaced on direction and lay.
10. a kind of display device, which is characterized in that including the backlight module as described in claim 8 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503662.3A CN110264869B (en) | 2019-06-11 | 2019-06-11 | Optical regulation and control structure, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910503662.3A CN110264869B (en) | 2019-06-11 | 2019-06-11 | Optical regulation and control structure, backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110264869A true CN110264869A (en) | 2019-09-20 |
| CN110264869B CN110264869B (en) | 2022-04-01 |
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ID=67917697
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910503662.3A Active CN110264869B (en) | 2019-06-11 | 2019-06-11 | Optical regulation and control structure, backlight module and display device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08153405A (en) * | 1994-06-21 | 1996-06-11 | Nakaya:Kk | Planar light source |
| US20070147084A1 (en) * | 2005-12-23 | 2007-06-28 | Gigno Technology Co., Ltd. | Backlight module for liquid crystal display device |
| CN102933894A (en) * | 2010-06-08 | 2013-02-13 | Opto设计股份有限公司 | Planar light source device and illumination apparatus |
| CN105674154A (en) * | 2015-12-11 | 2016-06-15 | 友达光电股份有限公司 | Backlight module and three-dimensional optical regulation and control assembly |
-
2019
- 2019-06-11 CN CN201910503662.3A patent/CN110264869B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08153405A (en) * | 1994-06-21 | 1996-06-11 | Nakaya:Kk | Planar light source |
| US20070147084A1 (en) * | 2005-12-23 | 2007-06-28 | Gigno Technology Co., Ltd. | Backlight module for liquid crystal display device |
| CN102933894A (en) * | 2010-06-08 | 2013-02-13 | Opto设计股份有限公司 | Planar light source device and illumination apparatus |
| CN105674154A (en) * | 2015-12-11 | 2016-06-15 | 友达光电股份有限公司 | Backlight module and three-dimensional optical regulation and control assembly |
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| Publication number | Publication date |
|---|---|
| CN110264869B (en) | 2022-04-01 |
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