CN205450337U - Light -directing structure , backlight and display screen - Google Patents
Light -directing structure , backlight and display screen Download PDFInfo
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- CN205450337U CN205450337U CN201620124949.7U CN201620124949U CN205450337U CN 205450337 U CN205450337 U CN 205450337U CN 201620124949 U CN201620124949 U CN 201620124949U CN 205450337 U CN205450337 U CN 205450337U
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- guide structure
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Abstract
The application discloses light -directing structure, backlight and display screen, wherein, light -directing structure includes: the leaded light layer, be fixed in the reflection stratum of leaded light layer one side. Because light -directing structure's reflection stratum in advance with the leaded light layer is fixed, consequently has light -directing structure's backlight has reduced when assembling with liquid crystal display module the leaded light layer with the assembly operations in reflection stratum has promoted the packaging efficiency.
Description
Technical field
This utility model relates to Display Technique field, more particularly, it relates to a kind of light guide structure, backlight and display screen.
Background technology
Liquid crystal display is the display device of present main flow, owing to liquid crystal display module is passive luminescent device, is therefore required for a backlight in described liquid crystal display and to provide illuminating ray for described liquid crystal display module.
The structure of backlight of the prior art is as shown in Figure 1, including fixed mount 14, it is arranged at the light guide plate 12 in described fixed mount 14, is positioned at the reflectance coating 13 of described light guide plate 12 side, is positioned at described light guide plate 12 and deviates from the blooming 11 of described reflectance coating 13 side and be in same plane with described light guide plate 12 or be positioned at described reflectance coating 13 and deviate from the illuminator of described light guide plate 12 side.Described blooming 11 includes at least one diffusion barrier and at least one bright enhancement film, clear in order to represent, does not identify concrete structure and the position of described illuminator of described blooming 11 in Fig. 1.During carrying out being assembled into described liquid crystal display by described backlight and described liquid crystal display module, need to assemble described light guide plate 12 with described reflectance coating 13, blooming 11, whole assembling process needs to carry out repeatedly assembly manipulation, and packaging efficiency is relatively low.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of light guide structure, has the assembly manipulation when backlight of described light guide structure assembles with liquid crystal display module less, and packaging efficiency is higher.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of light guide structure, described light guide structure includes:
Optical waveguide layer；
It is fixed on the reflecting layer of described optical waveguide layer side.
Preferably, described optical waveguide layer is polymethyl methacrylate optical waveguide layer or Merlon optical waveguide layer or polyethylene terephthalate optical waveguide layer.
Preferably, described optical waveguide layer deviates from side, described reflecting layer and has the first guide-lighting micro structure.
Preferably, described optical waveguide layer has the second guide-lighting micro structure towards side, described reflecting layer.
Preferably, described reflecting layer is argentum reflecting layer or aluminum reflecting layer.
Preferably, described light guide structure also includes:
It is positioned at described reflecting layer and deviates from the protective layer of described optical waveguide layer side.
Preferably, described protective layer is insulating oil layer of ink or plastic layer or plastic layer.
A kind of backlight, including:
Fixed mount；
Being arranged at the light guide structure in described fixed mount, described light guide structure is the light guide structure described in above-described embodiment；
It is positioned at the blooming on described light guide structure surface；
Lighting unit；
Described light guide structure forms area source with the combination of described lighting unit.
Preferably, described lighting unit is parallel to described light guide structure plane, is disposed adjacent with described light guide structure；
Described blooming is positioned at described light guide structure surface.
Preferably, described lighting unit is at least one CCFL or light emitting diode.
A kind of display screen, including:
Backlight as described in above-described embodiment；
It is arranged at the liquid crystal display module of described backlight illumination direction side；
The process chip being connected with described backlight and liquid crystal display module.
Preferably, described display screen also includes:
It is positioned at described liquid crystal display module and deviates from the touch module of described backlight side；
Described touch module is connected with described process chip, for the positional information of operating body is converted to first signal of telecommunication.
Preferably, described display screen also includes:
It is positioned at described backlight and deviates from the pressure sensitive module of described liquid crystal display module side；
Described pressure sensitive module is connected with described process chip, for pressure signal is converted to second signal of telecommunication.
From technique scheme it can be seen that this utility model provides a kind of light guide structure, backlight and display screen, wherein, described light guide structure includes optical waveguide layer and is fixed on the reflecting layer of described optical waveguide layer side.Owing to the reflecting layer of described light guide structure is fixed with described optical waveguide layer in advance, the backlight therefore with described light guide structure decreases the assembly manipulation of described optical waveguide layer and described reflecting layer with liquid crystal display module when assembling, and improves packaging efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structural representation of a kind of backlight that Fig. 1 provides for prior art；
The structural representation of a kind of light guide structure that Fig. 2 provides for an embodiment of the present utility model；
The structural representation of a kind of light guide structure that Fig. 3 provides for another embodiment of the present utility model；
The structural representation of a kind of backlight that Fig. 4 provides for an embodiment of the present utility model；
The structural representation of a kind of display screen that Fig. 5 provides for an embodiment of the present utility model.
Detailed description of the invention
As described in background, having during the backlight of light guide plate of the prior art is that liquid crystal display module assembles, need to carry out repeatedly assembly manipulation, packaging efficiency is relatively low.
In view of this, this utility model embodiment provides a kind of light guide structure, and described light guide structure includes:
Optical waveguide layer；
It is fixed on the reflecting layer of described optical waveguide layer side.
Accordingly, this utility model embodiment additionally provides a kind of backlight, including:
Fixed mount；
Being arranged at the light guide structure in described fixed mount, described light guide structure is the light guide structure described in above-described embodiment；
It is positioned at the blooming on described light guide structure surface；
Lighting unit；
Described light guide structure forms area source with the combination of described lighting unit.
Accordingly, this utility model embodiment additionally provides a kind of display screen, including:
Backlight as described in above-described embodiment；
It is arranged at the liquid crystal display module of described backlight illumination direction side；
The process chip being connected with described backlight and liquid crystal display module.
From technique scheme it can be seen that this utility model provides a kind of light guide structure, backlight and display screen, wherein, described light guide structure includes optical waveguide layer and is fixed on the reflecting layer of described optical waveguide layer side.Owing to the reflecting layer of described light guide structure is fixed with described optical waveguide layer in advance, the backlight therefore with described light guide structure decreases the assembly manipulation of described optical waveguide layer and described reflecting layer with liquid crystal display module when assembling, and improves packaging efficiency.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
This utility model embodiment provides a kind of light guide structure, as in figure 2 it is shown, described light guide structure includes:
Optical waveguide layer 100；
It is fixed on the reflecting layer 200 of described optical waveguide layer 100 side.
It should be noted that in the present embodiment, being fitted by optical cement between described optical waveguide layer 100 and described reflecting layer 200, described optical cement includes but not limited to solid state optics glue or liquid optical cement or fruit juice gel or two liquid mixed hardening glue.The concrete kind of described optical cement is not limited by this utility model, concrete depending on practical situation.In another embodiment of the present utility model, described reflecting layer 200 realizes fixing by spraying, hot pressing or Shooting Technique and described optical waveguide layer 100.Concrete technique for fixing between described reflecting layer 200 and described optical waveguide layer 100 is not limited by this utility model, concrete depending on practical situation.
It can further be stated that, owing to the reflecting layer 200 of described light guide structure is fixed with described optical waveguide layer 100 in advance, the backlight therefore with described light guide structure decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module when assembling, and improves packaging efficiency.
On the basis of above-described embodiment, in an embodiment of the present utility model, described optical waveguide layer 100 is polymethyl methacrylate optical waveguide layer or Merlon optical waveguide layer or polyethylene terephthalate optical waveguide layer.In a preferred embodiment of the present utility model, described optical waveguide layer is polymethyl methacrylate optical waveguide layer；But in other embodiments of the present utility model, as long as the material layer with preferable light transmission can serve as described optical waveguide layer, the concrete kind of described optical waveguide layer is not limited by this utility model, concrete depending on practical situation.
It should be noted that in an embodiment of the present utility model, the span of the thickness of described optical waveguide layer 100 is 0.5mm-10mm, including endpoint value.In another embodiment of the present utility model, the span of the thickness of described optical waveguide layer 100 is 4mm-6mm, including endpoint value.In one preferred embodiment of this utility model, the thickness of described optical waveguide layer 100 is 0.6mm.Span and the concrete value of the thickness of described optical waveguide layer 100 are not limited by this utility model, concrete depending on practical situation.
On the basis of above-described embodiment, in another embodiment of the present utility model, described reflecting layer 200 is silver reflectance coating or aluminium mirror coating.
It should be noted that in an embodiment of the present utility model, described reflecting layer 200 includes but not limited to gold reflectance coating, aluminium mirror coating, silver reflectance coating.In another embodiment of the present utility model, described emission layer is polymer or the macromolecule material film with good light reflectance.In another embodiment of the present utility model, as long as having high reflectance maybe can produce total reflection or irreflexive material all can prepare material as described reflecting layer 200, this is not limited by this utility model, concrete depending on practical situation.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, described optical waveguide layer 100 deviates from side, described reflecting layer 200 and has the first guide-lighting micro structure.
It should be noted that the described first guide-lighting micro structure is for changing the direction of propagation of the light by described optical waveguide layer 100, so that being derived from light-emitting area by the light of described optical waveguide layer 100.In an embodiment of the present utility model, described first guide-lighting micro structure can be chondritic or fusiform structure or V-structure, and the concrete structure of the described first guide-lighting micro structure is not limited, specifically depending on practical situation by the application.
On the basis of above-described embodiment, in another preferred embodiment of the present utility model, described optical waveguide layer 100 has the second guide-lighting micro structure towards side, described reflecting layer 200.
It should be noted that the described second guide-lighting micro structure is for making the light by the outgoing of described optical waveguide layer 100 more uniform, or change the angle by described optical waveguide layer 100 emergent ray, increase the utilization rate of light.In an embodiment of the present utility model, described second guide-lighting micro structure can be chondritic or fusiform structure or V-structure, and the concrete structure of the described second guide-lighting micro structure is not limited, specifically depending on practical situation by the application.
On the basis of above-described embodiment, in another embodiment of the present utility model, as it is shown on figure 3, described light guide structure also includes:
It is positioned at described reflecting layer 200 and deviates from the protective layer 300 of described optical waveguide layer 100 side.
It should be noted that described protective layer 300 for reducing described reflecting layer 200 and coming off, scratch or the probability of scuffing.And when described reflecting layer 200 is metal material, described protective layer 300 is also prevented from the situation of described metal material dry linting to be occurred, increases the stability of described light guide structure.Further, the light guide structure having described protective layer 300 has good insulating properties.
On the basis of above-described embodiment, in further embodiment of the present utility model, described protective layer 300 is insulating oil layer of ink or plastic layer or plastic layer.The concrete kind of described protective layer 300 is not limited by this utility model, concrete depending on practical situation.
In sum, this utility model provides a kind of light guide structure, and described light guide structure includes optical waveguide layer 100 and is fixed on the reflecting layer 200 of described optical waveguide layer 100 side.Owing to the reflecting layer 200 of described light guide structure is fixed with described optical waveguide layer 100 in advance, the backlight therefore with described light guide structure decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module when assembling, and improves packaging efficiency.
Accordingly, this utility model embodiment additionally provides a kind of backlight, as shown in Figure 4, and including:
Fixed mount A300；
Being arranged at the light guide structure A100 in described fixed mount A300, described light guide structure A100 is the light guide structure A100 described in any of the above-described embodiment；
It is positioned at the blooming A200 on described light guide structure A100 surface；
Lighting unit；
Described light guide structure A100 forms area source with the combination of described lighting unit.
It should be noted that Fig. 4 does not identify described lighting unit.Owing to the reflecting layer 200 of described light guide structure A100 is fixed with described optical waveguide layer 100 in advance, the backlight therefore with described light guide structure A100 decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module when assembling, and improves packaging efficiency.
Also, it should be noted in the present embodiment, described fixed mount A300 is plastic frame；In other embodiments of the application, described fixed mount A300 is aluminum alloy frame.This is not limited by the application, concrete depending on practical situation.
On the basis of above-described embodiment, in an embodiment of the present utility model, described lighting unit is parallel to described light guide structure A100 plane, is disposed adjacent with described light guide structure A100；
Described blooming A200 is positioned at described light guide structure A100 surface.
It should be noted that in the present embodiment, described backlight is side-light type back light.The concrete form of described backlight is not limited by this utility model, concrete depending on practical situation.In a preferred embodiment of the application, described lighting unit and described light guide structure A100 are close to arrange, to improve the utilization rate of described lighting unit light.
On the basis of above-described embodiment, in another embodiment of the present utility model, described lighting unit is at least one CCFL or light emitting diode.Quantity and concrete which kind of device of employing of described lighting unit are not limited by this utility model, concrete depending on practical situation.
On the basis of above-described embodiment, in a preferred embodiment of the present utility model, described blooming A200 includes:
First diffusion barrier；
It is positioned at the first bright enhancement film of described first diffusion barrier side；
It is positioned at described first bright enhancement film and deviates from the second bright enhancement film of described first diffusion barrier side；
It is positioned at described second bright enhancement film and deviates from the second diffusion barrier of described first bright enhancement film side.
It should be noted that owing to described first bright enhancement film directly contacts with liquid crystal display module, and the first bright enhancement film surface has prism microstructure, can form interference with liquid crystal display module, causes bad display.And the purpose arranging described first diffusion barrier avoids the occurrence of light interference phenomenon exactly, it is to avoid above-mentioned bad display occurs.But in an embodiment of the present utility model, described blooming A200 only includes: the first diffusion barrier and the first bright enhancement film being positioned at described first diffusion barrier side；In another embodiment of the present utility model, described blooming A200 includes the first diffusion barrier, the first bright enhancement film being positioned at described first diffusion barrier side and is positioned at described first bright enhancement film and deviates from the second bright enhancement film of described first diffusion barrier side.The concrete structure of described blooming A200 is not limited by this utility model, concrete depending on practical situation.
In sum, this utility model provides a kind of light guide structure A100 and backlight, and wherein, described light guide structure A100 includes optical waveguide layer 100 and is fixed on the reflecting layer 200 of described optical waveguide layer 100 side.Owing to the reflecting layer 200 of described light guide structure A100 is fixed with described optical waveguide layer 100 in advance, the backlight therefore with described light guide structure A100 decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module when assembling, and improves packaging efficiency.
Accordingly, this utility model embodiment additionally provides a kind of display screen, as it is shown in figure 5, include:
Backlight S100 as described in above-mentioned any embodiment；
It is arranged at the liquid crystal display module S200 of described backlight S100 illumination direction side；
The process chip being connected with described backlight S100 and liquid crystal display module S200.
It should be noted that in order to representation understands, Fig. 5 does not identify described process chip.The light guide structure A100 of described backlight S100 includes reflecting layer 200 and the fixing reflecting layer 200 with surface, described reflecting layer 200.Owing to the reflecting layer 200 of described light guide structure A100 is fixed with described optical waveguide layer 100 in advance, the backlight S100 therefore with described light guide structure A100 decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module S200 when assembling, and improves packaging efficiency.
On the basis of above-described embodiment, in an embodiment of the present utility model, described display screen also includes:
It is positioned at described liquid crystal display module S200 and deviates from the touch module of described backlight S100 side；
Described touch module is connected with described process chip, for the positional information of operating body is converted to first signal of telecommunication.
It should be noted that described process chip is shown by described liquid crystal display module S200 after after receiving described first signal of telecommunication processing it.
On the basis of above-described embodiment, in another embodiment of the present utility model, described display screen also includes:
It is positioned at described backlight S100 and deviates from the pressure sensitive module of described liquid crystal display module S200 side；
Described pressure sensitive module is connected with described process chip, for pressure signal is converted to second signal of telecommunication.
It should be noted that in the present embodiment, described process chip is used for receiving described first signal of telecommunication and second signal of telecommunication, and is shown by described liquid crystal display module S200 after processing it.
In sum, this utility model provides a kind of light guide structure A100, backlight S100 and display screen, and wherein, described light guide structure A100 includes optical waveguide layer 100 and is fixed on the reflecting layer 200 of described optical waveguide layer 100 side.Owing to the reflecting layer 200 of described light guide structure A100 is fixed with described optical waveguide layer 100 in advance, the backlight S100 therefore with described light guide structure A100 decreases described optical waveguide layer 100 and the assembly manipulation in described reflecting layer 200 with liquid crystal display module S200 when assembling, and improves packaging efficiency.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (13)
1. a light guide structure, it is characterised in that described light guide structure includes:
Optical waveguide layer；
It is fixed on the reflecting layer of described optical waveguide layer side.
Light guide structure the most according to claim 1, it is characterised in that described optical waveguide layer is polymethyl methacrylate optical waveguide layer or Merlon optical waveguide layer or polyethylene terephthalate optical waveguide layer.
Light guide structure the most according to claim 1, it is characterised in that described optical waveguide layer deviates from side, described reflecting layer and has the first guide-lighting micro structure.
Light guide structure the most according to claim 3, it is characterised in that described optical waveguide layer has the second guide-lighting micro structure towards side, described reflecting layer.
Light guide structure the most according to claim 1, it is characterised in that described reflecting layer is argentum reflecting layer or aluminum reflecting layer.
6. according to the light guide structure described in any one of claim 1-5, it is characterised in that described light guide structure also includes:
It is positioned at described reflecting layer and deviates from the protective layer of described optical waveguide layer side.
Light guide structure the most according to claim 6, it is characterised in that described protective layer is insulating oil layer of ink or plastic layer or plastic layer.
8. a backlight, it is characterised in that including:
Fixed mount；
Being arranged at the light guide structure in described fixed mount, described light guide structure is the light guide structure described in any one of claim 1-7；
It is positioned at the blooming on described light guide structure surface；
Lighting unit；
Described light guide structure forms area source with the combination of described lighting unit.
Backlight the most according to claim 8, it is characterised in that described lighting unit is parallel to described light guide structure plane, is disposed adjacent with described light guide structure；
Described blooming is positioned at described light guide structure surface.
Backlight the most according to claim 8 or claim 9, it is characterised in that described lighting unit is at least one CCFL or light emitting diode.
11. 1 kinds of display screens, it is characterised in that including:
Backlight as described in any one of claim 8-10；
It is arranged at the liquid crystal display module of described backlight illumination direction side；
The process chip being connected with described backlight and liquid crystal display module.
12. display screens according to claim 11, it is characterised in that described display screen also includes:
It is positioned at described liquid crystal display module and deviates from the touch module of described backlight side；
Described touch module is connected with described process chip, for the positional information of operating body is converted to first signal of telecommunication.
13. display screens according to claim 12, it is characterised in that described display screen also includes:
It is positioned at described backlight and deviates from the pressure sensitive module of described liquid crystal display module side；
Described pressure sensitive module is connected with described process chip, for pressure signal is converted to second signal of telecommunication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620124949.7U CN205450337U (en) | 2016-02-17 | 2016-02-17 | Light -directing structure , backlight and display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620124949.7U CN205450337U (en) | 2016-02-17 | 2016-02-17 | Light -directing structure , backlight and display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195320A (en) * | 2018-01-16 | 2018-06-22 | 信利半导体有限公司 | A kind of test method of bright enhancement film angle |
| TWI628475B (en) * | 2016-11-07 | 2018-07-01 | 迎輝科技股份有限公司 | Light guiding structure, display device having the same and manufacturing method thereof |
-
2016
- 2016-02-17 CN CN201620124949.7U patent/CN205450337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI628475B (en) * | 2016-11-07 | 2018-07-01 | 迎輝科技股份有限公司 | Light guiding structure, display device having the same and manufacturing method thereof |
| CN108195320A (en) * | 2018-01-16 | 2018-06-22 | 信利半导体有限公司 | A kind of test method of bright enhancement film angle |
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