CN204405878U - A kind of blue light and ultraviolet-resistant optics diffusion structure and backlight device - Google Patents
A kind of blue light and ultraviolet-resistant optics diffusion structure and backlight device Download PDFInfo
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- CN204405878U CN204405878U CN201420785135.9U CN201420785135U CN204405878U CN 204405878 U CN204405878 U CN 204405878U CN 201420785135 U CN201420785135 U CN 201420785135U CN 204405878 U CN204405878 U CN 204405878U
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Abstract
A kind of blue light and ultraviolet-resistant optics diffusion structure, comprise the transparent base that an optically transparent material is made, described transparent base upper surface is provided with diffusion coating, and lower surface is provided with the optical cement layer that one deck intercepts blue light and ultraviolet, is release layer below glue-line.Also can be another kind of structure, namely comprise the transparent base that an optically transparent material is made, described transparent base upper surface is provided with diffusion coating, and lower surface is provided with one deck blue light and ultraviolet-resistant resin bed, being provided with one deck optical cement layer below barrier resin layers, is release layer below glue-line.By introducing blue light and ultraviolet-resistant layer or blue light and ultraviolet-resistant glue-line between diffusion barrier and light guide plate, can by diffusion barrier, particularly large area diffusion barrier, entirely sticks in light guide plate surface; Light source high strength blue light and ultraviolet can be reduced to the infringement of human eye, keep diffusion barrier smooth, not modification simultaneously; Prevent light output unstable, can light loss be reduced simultaneously, increase LCD brightness in backlight and subsequent applications.Reduce energy consumption.
Description
Technical field
The utility model relates to the backlight that a kind of blue light and ultraviolet-resistant optics diffusion structure and this optics diffusion structure of use manufacture, and this backlight can be applied in kinds of displays part and display application.
Background technology
Existing optical diffusion is widely used in LCD backlight source, advertising lamp box, lighting, and mobile communication equipment button etc. needs on the device of light source to provide Uniform Illumination.The fast development of LCD backlight source in recent years and the widespread use in mobile communication equipment display, laptop computer displays, desktop computer display and large-size liquid crystal television, improve increasingly to the performance requirement of optical diffusion in backlight.Enabling on a large scale particularly along with LED backlight, for mankind's eye health brings new harm.In the light that LED light source sends in use high energy shortwave blue light and ultraviolet very large to the eye injury of people.
Existing optical diffusion is widely used in LCD backlight source, advertising lamp box, lighting, mobile communication equipment button etc. to be needed on the device of light source, to provide Uniform Illumination.The fast development of LCD backlight source in recent years and the widespread use in mobile communication equipment display, laptop computer displays, desktop computer display and large-size liquid crystal television, improve increasingly to the performance requirement of optical diffusion in backlight.The existing optical diffusion being applied to LCD backlight source mostly is the organic film adopting stretching technique to produce and the multilayer film adopting coating method to produce, the scattering particle wherein containing different-grain diameter in the coating layer of the multilayer film adopting coating method to produce.In backlight source module Long-Time Service process, to other module material, other module material aging, xanthochromia can be caused, affects picture quality and viewing effect because light source itself produces ultraviolet light.Simultaneously in the assembling process of liquid crystal indicator, above-mentioned diffusion barrier is by being directly positioned in light guide plate after cross cutting.Particularly giant-screen product, in follow-up Long-Time Service process, because diffusion barrier long-term ageing degree is uneven, also easily causes diffusion barrier to be out of shape, causes optical transport and show bad.
Utility model content
Utility model technical matters to be solved is: provide a kind of and can adhere to the diffusion structure of obstruct blue light in light guide plate and ultraviolet and use light guide plate product or the backlight device of this obstruct blue light and ultraviolet diffusion structure.
Solve the problem and be by the following technical solutions:
A kind of blue light and ultraviolet-resistant optics diffusion structure, comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with the optical cement layer that one deck intercepts blue light and ultraviolet, be release layer below optical cement layer, in described diffusion coating, be provided with diffusion particle.
A kind of blue light and ultraviolet-resistant optics diffusion structure, comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with one deck blue light and ultraviolet-resistant resin bed, one deck optical cement layer is provided with below barrier resin layers, be release layer below optical cement layer, in described diffusion coating, be provided with diffusion particle.
Described transparent substrate layer is that the one of PET, PC and PS prepares.
Described diffusion particle is silicone resin, the one of PS and PMMA prepares, and the diameter of diffusion particle is 1 ~ 50 μm.
Described release layer is silicone based release film, Organic fluoride class release film, film substrate, one without silicon release film, floride-free release film, and release film base material or film substrate are the one in PET, PC, PP, synthetic paper.
The optical cement layer of described obstruct blue light and ultraviolet is a kind of of pressure sensitive adhesive or structure glue and adds the adjuvant intercepting blue light and ultraviolet to prepare, pressure sensitive adhesive is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive, and structure glue is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive, the adjuvant of described obstruct blue light and ultraviolet comprises described obstruct blue light adjuvant or described obstruct ultraviolet adjuvant, the adjuvant of described obstruct blue light is azo, methine class, azo-methine class, ketimide class, ketimide-methine class, azo metal complexing class, naphthalimide, nitrodiphenylamine class, aminoketones, nitro class, Anthraquinones, quinolines, azines, cluck ton class, sulphur cluck ton class, benzothiazoles, benzimidazole, benzanthrones, benzimidazole, acenaphthene class, spirooxazine-spiro-pyrans class, lactone type, Coumarins intercept in blue light and ultra-violet dye any one or a few mix, described obstruct ultraviolet adjuvant is one or more mixing of ultraviolet light absorber and ultraviolet screening agent, and described ultraviolet light absorber is salicylate compounds, benzophenone compound, benzotriazole compound, group-substituted acrylonitrile compound, compound in triazine class or aliphatic polybasic alcohol compound, described ultraviolet screening agent is metal oxide.
Described blue light and ultraviolet light barrier resin layers are the resinous coat containing intercepting blue light and ultraviolet adjuvant, and described resin is one or more mixing of acryl resin, organosilicon modified crylic acid resin, epoxy resin, organic siliconresin, epoxy modified silicone resin, urethane resin, vibrin, described obstruct blue light and ultraviolet adjuvant comprise the obstruct adjuvant of blue light and the adjuvant of described obstruct ultraviolet, the adjuvant of described obstruct blue light is can be azo, methine class, azo-methine class, ketimide class, ketimide-methine class, azo metal complexing class, naphthalimide, nitrodiphenylamine class, aminoketones, nitro class, Anthraquinones, quinolines, azines, cluck ton class, sulphur cluck ton class, benzothiazoles, benzimidazole, benzanthrones, benzimidazole, acenaphthene class, spirooxazine-spiro-pyrans class, lactone type, any one or a few in Coumarins obstruct blue light dyestuff mixes, described obstruct ultraviolet adjuvant is one or more mixing of ultraviolet light absorber and ultraviolet screening agent, and described ultraviolet light absorber is salicylate compounds, benzophenone compound, benzotriazole compound, group-substituted acrylonitrile compound, compound in triazine class or aliphatic polybasic alcohol compound, described ultraviolet screening agent is metal oxide.
Described optical cement layer is that the one of pressure sensitive adhesive or structure glue prepares, and pressure sensitive adhesive is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive, and structure glue is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive.
A kind of blue light and ultraviolet-resistant backlight device, comprise light source, reflectance coating, optical waveguide layer and frame, also comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with the optical cement layer that one deck intercepts blue light and ultraviolet, be described optical waveguide layer below optical cement layer, in described diffusion coating, be provided with diffusion particle.
A kind of blue light and ultraviolet-resistant backlight device, comprise light source, reflectance coating, optical waveguide layer and frame, also comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with one deck blue light and ultraviolet-resistant resin bed, be provided with one deck optical cement layer below barrier resin layers, described optical waveguide layer is set below optical cement layer, in described diffusion coating, be provided with diffusion particle.
The one in auxiliary diffusion layer, prismatic brightness enhancing layer, filter layer or its combination is also provided with above described diffusion coating.
Described optical waveguide layer is the one in light guide plate, light guiding film.
Compared with prior art, the utility model has the advantage of by introducing blue light and ultraviolet-resistant layer or blue light and ultraviolet-resistant glue-line between diffusion barrier and light guide plate, on the one hand can by diffusion barrier, particularly large area diffusion barrier, entirely sticks in light guide plate surface; Prevent light output unstable, and other optical defect occur; Can light loss be reduced simultaneously, increase LCD brightness in backlight and subsequent applications, reduce energy consumption, in Long-Time Service situation, keep other modular structure not encroach on by light source ultraviolet; Prevent because aging, xanthochromia and difference gap are apart from causing light output unstable, and other optical defect occurs.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of blue light in the utility model and ultraviolet-resistant optics diffusion structure first embodiment;
Fig. 2 is the cross-sectional view of blue light in the utility model and ultraviolet-resistant optics diffusion structure second embodiment;
Fig. 3 is the diagrammatic cross-section of blue light in the utility model and ultraviolet-resistant backlight device first embodiment;
Fig. 4 is the diagrammatic cross-section of blue light in the utility model and ultraviolet-resistant backlight device second embodiment;
Fig. 5 is the diagrammatic cross-section of blue light in the utility model and ultraviolet-resistant backlight device the 3rd embodiment;
Each label declaration in accompanying drawing and literary composition:
Fig. 1: 101. diffusion particle 102. diffusion coating 103. transparent substrate layer 104. intercept blue light and ultraviolet optics glue-line 105. release layer
Fig. 2: 201. diffusion particle 202. diffusion coating 203. transparent substrate layer 204. blue lights and ultraviolet-resistant resin bed 205. optical cement layer 206. release layer
Fig. 3: 301. diffusion particle 302. diffusion coating 303. transparent substrate layer 304. intercept blue light and ultraviolet optics glue-line 305. optical waveguide layer 306. reflective membrane 307. light source
Fig. 4: 401. diffusion particle 402. diffusion coating 403. transparent substrate layer 404. intercept blue light and ultraviolet optics glue-line 405. optical waveguide layer 406. reflective membrane 407. light source
Fig. 5: 501. diffusion particle 502. diffusion coating 503. transparent substrate layer 504. blue lights and ultraviolet-resistant resin bed 505. optical cement layer 506. optical waveguide layer 507. reflective membrane 508. light source
Embodiment
Embodiment of the present utility model is set forth: below in conjunction with drawings and Examples, the utility model is described in further detail below in conjunction with accompanying drawing one step.
Embodiment 1
As shown in Figure 1, a kind of blue light and ultraviolet-resistant optics diffusion structure comprise the transparent substrate layer 103 that a transparent PET is made, the obstruct blue light that diffusion coating 102, including the spherical PMMA diffusion particle 101 of 3 kinds of particle diameters silicone based pressure sensitive adhesive containing blue light and ultraviolet-resistant adjuvant is made and ultraviolet optics glue-line 104 and an Organic fluoride release layer 105.
The blue light of embodiment one intercepts optics diffusion structure parameter as following table:
The ultraviolet-resistant optics diffusion structure parameter of embodiment one is as following table:
Embodiment 2
As shown in Figure 2, a kind of blue light and ultraviolet-resistant optics diffusion structure comprise the transparent substrate layer 203 that a transparent PET is made, a diffusion coating 202 including the spherical PMMA diffusion particle 201 of 3 kinds of particle diameters, the optical cement layer 205 that blue light barrier resin layers 204, acrylic acid body class pressure sensitive adhesive of making of resin intercepting adjuvant (azo complex dyestuff) containing blue light is made and a silicone release layer 206.
The blue light of embodiment two intercepts optics diffusion structure parameter as following table:
The ultraviolet-resistant optics diffusion structure parameter of embodiment two is as following table:
Embodiment 3
As shown in Figure 3, a kind of blue light and ultraviolet-resistant backlight device, comprise the transparent substrate layer 303 that a transparent PET is made, a diffusion coating 302 including the spherical PMMA diffusion particle 301 of 3 kinds of particle diameters, the obstruct blue light that silicone based pressure sensitive adhesive containing blue light and ultraviolet-resistant adjuvant is made and ultraviolet optics glue-line 304, be reflectance coating with an optical waveguide layer 305,306,307 is light source.
For using above-mentioned blue light and ultraviolet-resistant optics diffusion structure to be applied to side-light type back light example, the release layer of the blue light in embodiment 1 and ultraviolet-resistant optics diffusion structure being removed, glue surface plaster is spread on optical waveguide layer and obtains.
Embodiment 4
As shown in Figure 3, a kind of ultraviolet-resistant backlight device, comprise the transparent substrate layer 303 that a transparent PET is made, a diffusion coating 302 including the spherical PMMA diffusion particle 301 of 3 kinds of particle diameters, the obstruct ultraviolet optics glue-line 304 that a silicon-type pressure sensitive adhesive containing ultraviolet-resistant adjuvant is made, be reflectance coating with an optical waveguide layer 305,306,307 is light source.
For using above-mentioned ultraviolet-resistant optics diffusion structure to be applied to side-light type back light example, the release layer of the ultraviolet-resistant optics diffusion structure in embodiment 1 being removed, glue surface plaster is spread on optical waveguide layer 305 and obtain.
Embodiment 5
As shown in Figure 4, a kind of blue light and ultraviolet-resistant backlight device, comprise the transparent substrate layer 403 that a transparent PET is made, a diffusion coating 402 including the spherical PMMA diffusion particle 401 of 3 kinds of particle diameters, on the obstruct blue light that silicone based pressure sensitive adhesive containing blue light and ultraviolet-resistant adjuvant is made and ultraviolet optics glue-line 404 and an optical waveguide layer 405,406 is reflectance coating, and 407 is light source.
For using above-mentioned blue light and ultraviolet-resistant optics diffusion structure to be applied to backlight example, the release layer of the blue light in embodiment 1 and ultraviolet-resistant optics diffusion structure being removed, glue surface plaster is spread on light guide plate and obtains.
Embodiment 6
As shown in Figure 4, a kind of ultraviolet-resistant backlight device, comprise the transparent substrate layer 403 that a transparent PET is made, a diffusion coating 402 including the spherical PMMA diffusion particle 401 of 3 kinds of particle diameters, the obstruct ultraviolet optics glue-line 404 that silicon-type pressure sensitive adhesive containing ultraviolet-resistant adjuvant is made and an optical waveguide layer 405,406 is reflectance coating, and 407 is light source.
For using above-mentioned ultraviolet-resistant optics diffusion structure to be applied to backlight example, the release layer of the ultraviolet-resistant optics diffusion structure in embodiment 1 being removed, glue surface plaster is spread on optical waveguide layer and obtains.
Embodiment 7
As shown in Figure 5, a kind of blue light and ultraviolet-resistant optics diffusion structure comprise the transparent substrate layer 503 that a transparent PET is made, a diffusion coating 502 including the spherical PMMA diffusion particle 501 of 3 kinds of particle diameters, the blue light that resin containing blue light and ultraviolet-resistant adjuvant (azo complex dyestuff) is made and ultraviolet-resistant resin bed 504, the optical cement layer 505 that acrylic system pressure sensitive adhesive is made and an optical waveguide layer 506,508 is reflectance coating, and 507 is light source.
Backlight example is applied to for using above-mentioned blue light and ultraviolet-resistant optics diffusion structure.
In above-described embodiment, light source 307,407,507 can be at least one in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and hot-cathode fluorescent lamp.
Embodiment 8
As shown in Figure 5, a kind of ultraviolet-resistant optics diffusion structure comprises the transparent substrate layer 503 that a transparent PET is made, a diffusion coating 502 including the spherical PMMA diffusion particle 501 of 3 kinds of particle diameters, the ultraviolet-resistant resin bed 504 that a resin containing ultraviolet-resistant adjuvant is made, the optical cement layer 505 that acrylic system pressure sensitive adhesive is made and an optical waveguide layer 506,508 is reflectance coating, and 507 is light source.
For using above-mentioned ultraviolet-resistant optics diffusion structure to be applied to backlight example, the release layer of the ultraviolet-resistant optics diffusion structure in embodiment 2 being removed, glue surface plaster is spread on optical waveguide layer and obtains.
In above-described embodiment, light source 307,407,507 can be at least one in cold-cathode fluorescence lamp, external electrode fluorescent lamp, light emitting diode and hot-cathode fluorescent lamp.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a blue light and ultraviolet-resistant optics diffusion structure, it is characterized in that, comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with the optical cement layer that one deck intercepts blue light and ultraviolet, be release layer below optical cement layer, in described diffusion coating, be provided with diffusion particle.
2. a blue light and ultraviolet-resistant optics diffusion structure, it is characterized in that, comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with one deck blue light and ultraviolet-resistant resin bed, be provided with one deck optical cement layer below barrier resin layers, be release layer below optical cement layer, in described diffusion coating, be provided with diffusion particle.
3. blue light and ultraviolet-resistant optics diffusion structure according to claim 1 or 2, is characterized in that, described transparent substrate layer is that the one of PET, PC and PS prepares.
4. blue light and ultraviolet-resistant optics diffusion structure according to claim 1 or 2, it is characterized in that, described diffusion particle is silicone resin, the one of PS and PMMA prepares, the diameter of diffusion particle is 1 ~ 50 μm.
5. blue light and ultraviolet-resistant optics diffusion structure according to claim 1 or 2, it is characterized in that, described release layer is silicone based release film, Organic fluoride class release film, film substrate, one without silicon release film, floride-free release film, and release film base material or film substrate are the one in PET, PC, PP, synthetic paper.
6. according to blue light described in claim 2 and ultraviolet-resistant optics diffusion structure, it is characterized in that, described optical cement layer is that the one of pressure sensitive adhesive or structure glue prepares, pressure sensitive adhesive is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive, and structure glue is the one of silicone based, acrylic compounds, polyurethanes and rubber-like pressure sensitive adhesive.
7. a blue light and ultraviolet-resistant backlight device, it is characterized in that, comprise light source, reflectance coating, optical waveguide layer and frame, also comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, lower surface is provided with the optical cement layer that one deck intercepts blue light and ultraviolet, is described optical waveguide layer, is provided with diffusion particle in described diffusion coating below optical cement layer.
8. a blue light and ultraviolet-resistant backlight device, it is characterized in that, comprise light source, reflectance coating, optical waveguide layer and frame, also comprise the transparent substrate layer that an optically transparent material is made, described transparent substrate layer upper surface is provided with diffusion coating, and lower surface is provided with one deck blue light and ultraviolet-resistant resin bed, is provided with one deck optical cement layer below barrier resin layers, described optical waveguide layer is set below optical cement layer, in described diffusion coating, is provided with diffusion particle.
9. blue light and ultraviolet-resistant backlight device according to claim 7 or 8, is characterized in that, is also provided with the one in auxiliary diffusion layer, prismatic brightness enhancing layer, filter layer or its combination above described diffusion coating.
10. blue light and ultraviolet-resistant backlight device according to claim 7 or 8, it is characterized in that, described optical waveguide layer is the one in light guide plate, light guiding film.
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| CN201420785135.9U CN204405878U (en) | 2014-12-11 | 2014-12-11 | A kind of blue light and ultraviolet-resistant optics diffusion structure and backlight device |
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| CN201420785135.9U CN204405878U (en) | 2014-12-11 | 2014-12-11 | A kind of blue light and ultraviolet-resistant optics diffusion structure and backlight device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914625A (en) * | 2015-06-24 | 2015-09-16 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104977640A (en) * | 2015-08-07 | 2015-10-14 | 京东方科技集团股份有限公司 | Brightness enhancement film, backlight module and display device |
| CN106291790A (en) * | 2015-05-22 | 2017-01-04 | 郑秀真 | The blooming of blue light and uv damage can be reduced |
| CN114637064A (en) * | 2020-12-16 | 2022-06-17 | Tcl商用信息科技(惠州)有限责任公司 | Blue light filtering film and display device |
-
2014
- 2014-12-11 CN CN201420785135.9U patent/CN204405878U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291790A (en) * | 2015-05-22 | 2017-01-04 | 郑秀真 | The blooming of blue light and uv damage can be reduced |
| CN104914625A (en) * | 2015-06-24 | 2015-09-16 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104914625B (en) * | 2015-06-24 | 2018-04-13 | 武汉华星光电技术有限公司 | Liquid crystal display device |
| CN104977640A (en) * | 2015-08-07 | 2015-10-14 | 京东方科技集团股份有限公司 | Brightness enhancement film, backlight module and display device |
| CN114637064A (en) * | 2020-12-16 | 2022-06-17 | Tcl商用信息科技(惠州)有限责任公司 | Blue light filtering film and display device |
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