CN101354455A - Diffusion brightening film sheet - Google Patents
Diffusion brightening film sheet Download PDFInfo
- Publication number
- CN101354455A CN101354455A CNA2007101380031A CN200710138003A CN101354455A CN 101354455 A CN101354455 A CN 101354455A CN A2007101380031 A CNA2007101380031 A CN A2007101380031A CN 200710138003 A CN200710138003 A CN 200710138003A CN 101354455 A CN101354455 A CN 101354455A
- Authority
- CN
- China
- Prior art keywords
- diffusion
- film sheet
- brightening film
- substrate
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a diffusion brightening film, comprising a substrate and a prism structure. The substrate is provided with a first surface and a second surface; the first surface and the second surface are opposite to each other; the substrate is provided with diffusion material and the prism structure is arranged on the second surface.
Description
Technical field
The present invention relates to a kind of blooming piece, particularly relate to a kind of diaphragm with diffusion and brightness enhancement function.
Background technology
Module backlight is one of key part and component of liquid crystal indicator, because liquid crystal itself is not luminous, the critical function of module backlight promptly uses for display panels at well-off brightness and the area source that is evenly distributed.
See also shown in Figure 1ly, a kind of known module backlight 1 comprises a light source 10, a light guide plate 11 and an optical diaphragm group 12.Wherein, module 1 backlight is to be side-light type module backlight, and light source 10 can be a cathode fluorescent tube or plural light-emittingdiode.
After the light of light source 10 (figure does not show) is injected light guide plate 11; destroy the total reflection of light via the site of light guide plate 11 bottom surfaces after; and then inject optical diaphragm group 12; the light process of light source 10 diffusion barrier sheet 121 down tentatively spreads; improve the brightness of forward bright dipping again via the first prism diaphragm 122 and the second prism diaphragm 123; spread light a little by last diffusion barrier sheet 124 more at last; avoiding the user directly to see bright rays on the prism diaphragm, and go up the function that diffusion barrier sheet 124 has more the protection second prism diaphragm 123.Thus, module 1 backlight can provide homogenising and the higher light of forward brightness.
Yet the composition diaphragm quantity of optical diaphragm group 12 is more, so make the production cost of module 1 backlight increase.
Therefore, how to provide a kind of blooming piece, both can simplify the structure of module 1 backlight, reduce production costs, and can make source light evenly reach forward brightness lifting, real is one of current important topic.
Because the defective that above-mentioned existing blooming piece exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of diffusion brightening film sheet of new structure, can improve general existing blooming piece, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Fundamental purpose of the present invention is, overcome the defective that existing blooming piece exists, and a kind of diffusion brightening film sheet of new structure is provided, technical matters to be solved is to make it can reduce the usage quantity of blooming piece in the module backlight, reducing production costs, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of diffusion brightening film sheet that the present invention proposes, comprise: a substrate is to have a first surface and a second surface, and this first surface and this second surface are to be oppositely arranged, and this substrate is to have a diffusion material; And a prism structure, be to be arranged on this second surface.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid diffusion brightening film sheet, wherein said diffusion material are to be arranged at this first surface and/or this second surface.
Aforesaid diffusion brightening film sheet, wherein said diffusion material are doping or are mixed in this substrate.
Aforesaid diffusion brightening film sheet, wherein said diffusion material are to be plural diffusion particle, and these diffusion particles are to be titania, silicon dioxide and/or air.
Aforesaid diffusion brightening film sheet, wherein said diffusion particle such as grade is to have an adventitia, the material of this adventitia is to be acryl, silica gel or epoxy resin.
Aforesaid diffusion brightening film sheet, it comprises: a substrate is to have one of to be oppositely arranged a first surface and a second surface, and this first surface and/or this second surface are to be a rough surface; And a prism structure, be to be arranged on this first surface and/or this second surface.
Aforesaid diffusion brightening film sheet, wherein said substrate are to have a diffusion sublayer, and this rough surface is to be positioned at this diffusion sublayer, and are arranged at this first surface of this substrate.
Aforesaid diffusion brightening film sheet, wherein said rough surface are through a blasting treatment or a chemical agent surface treatment.
Aforesaid diffusion brightening film sheet, wherein said substrate are to have a cloudy surface paper, and this cloudy surface paper is to form this first surface and/or this second surface.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, in order to achieve the above object, comprise a substrate and a prism structure according to a kind of diffusion brightening film sheet of the present invention.Substrate is to have a first surface and a second surface, and first surface and second surface are to be oppositely arranged, and substrate is to have a diffusion material.Prism structure is to be arranged on the second surface.
For reaching above-mentioned purpose, comprise a substrate and a prism structure according to a kind of diffusion brightening film sheet of the present invention.Substrate is to have a first surface and a second surface that is oppositely arranged, and first surface and/or second surface are to be a rough surface.Prism structure is to be arranged on first surface and/or the second surface.
By technique scheme, diffusion brightening film sheet of the present invention has following advantage at least:
From the above, according to a kind of diffusion brightening film sheet of the present invention, be compound in same substrate by the surface that will spread material or roughening and prism structure.Compare with known techniques, the present invention with diffusion barrier and brightness enhancement film compound after, the source light that makes module backlight promptly can make source light homogenising and forward brightness promote only by single diffusion brightening film sheet, and reduces the visual bright rays phenomenon (Moire) of LCD.In addition, more can reduce the usage quantity of blooming piece,, reduce production costs to simplify the structure of module backlight.
In sum, the present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing blooming piece has the outstanding effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the known module a kind of backlight and the synoptic diagram of optical diaphragm group thereof;
Fig. 2 is the synoptic diagram according to a kind of diffusion brightening film sheet of first embodiment of the invention;
Fig. 3 and Fig. 4 are the synoptic diagram for the variation aspect of the diffusion brightening film sheet of first embodiment of the invention;
Fig. 5 is the synoptic diagram according to a kind of diffusion brightening film sheet of second embodiment of the invention;
Fig. 6 is the synoptic diagram according to the another kind of diffusion brightening film sheet of second embodiment of the invention;
Fig. 7 is the synoptic diagram according to diffusion material of the present invention;
Fig. 8 is the synoptic diagram according to a kind of diffusion brightening film sheet of third embodiment of the invention;
Fig. 9 is the synoptic diagram according to the another kind of diffusion brightening film sheet of third embodiment of the invention;
Figure 10 is the synoptic diagram according to a kind of diffusion brightening film sheet of fourth embodiment of the invention; And
Figure 11 is the synoptic diagram according to a kind of diffusion brightening film sheet of fifth embodiment of the invention.
1: module 10 backlight: light source
11: light guide plate 12: optical diaphragm group
121: 122: the first prism diaphragms of following diffusion barrier sheet
123: the second prism diaphragms 124: go up diffusion barrier sheet
2,2 ', 2 ", 3,3 ', 4,4 ', 5,6: diffusion brightening film sheet
20,30,40,50,60: substrate
21,31,41,51,61: prism structure
201,301,401,501,601: first surface
202,302,402,502,602: second surface
203,203 ', 303,303 ': the diffusion material
303a: adventitia 504: diffusion sublayer
604: cloudy surface paper
Embodiment
Hereinafter with reference to correlative type, a kind of diffusion brightening film sheet according to preferred embodiment of the present invention is described, wherein components identical will be illustrated with identical symbol.
First embodiment
See also shown in Figure 2ly, a kind of diffusion brightening film sheet 2 of first embodiment of the invention comprises a substrate 20 and a prism structure 21.Wherein, diffusion brightening film sheet 2 is can be arranged in the module backlight.
In addition, prism structure 21 is to be arranged on the second surface 202, and prism structure 21 can be triangular prism or other can promote the prism shape of forward brightness.And prism structure 21 is not an emphasis of the present invention, does not add in this and gives unnecessary details.
The source light of module backlight is to enter diffusion brightening film sheet 2 by diffusion material 203 sides, and diffusion material 203 is with light scatter, during by prism structure 21, then the forward brightness with light promotes, so that diffusion brightening film sheet 2 can improve the homogeneity and the forward brightness of light source simultaneously.
Please consult Fig. 3 and shown in Figure 4 simultaneously, at diffusion brightening film sheet 2 '; 2 " among the diffusion material 203 except being arranged on first surface 201, in the present embodiment, diffusion material 203 ' also can be arranged between prism structure 21 and the second surface 202 (as shown in Figure 3), perhaps, diffusion material 203,203 ' also can be arranged on first surface 201 and second surface 202 (as shown in Figure 4) simultaneously, 21 of prism structures are arranged on the diffusion material 203 ', make light by spreading material 203,203 ' again by prism structure 21, to improve the homogeneity and the forward brightness of light.
Second embodiment
See also shown in Figure 5, a kind of diffusion brightening film sheet 3 of second embodiment of the invention is to comprise a substrate 30 and a prism structure 31, substrate 30 is to have a first surface 301 and a second surface 302, first surface 301 is to be oppositely arranged with second surface 302, and prism structure 31 is to be arranged on the second surface 302.In present embodiment, diffusion material 303 is will spread material 303 with doping way or hybrid mode directly to mix or sneak among the substrate 30.
See also shown in Figure 6, the diffusion material 303 of another kind of diffusion brightening film sheet 3 ' of the present invention, except can mixing substrate 30, diffusion brightening film sheet 3 ' also can be simultaneously be arranged at first surface 301 and/or second surface 302 with diffusion material 303 '.In Fig. 6, be that material 303 is mixed substrate 30 and diffusion material 303 ' is arranged at first surface 301 simultaneously and second surface 302 is an example to spread.
See also shown in Figure 7, diffusion material 303 ' can have the plural layer structure, for example spread material 303 ' and can have an adventitia 303a, the material of adventitia 303a can be acryl, silica gel or epoxy resin, and coat single or plural kind of material and form, be for example titania, silicon dioxide or air.
The 3rd embodiment
See also shown in Figure 8ly, the another kind of diffusion brightening film sheet 4 of third embodiment of the invention comprises a substrate 40 and a prism structure 41.Substrate 40 is to have a first surface 401 and a second surface 402 that is oppositely arranged.In present embodiment, first surface 401 is to be a rough surface, and it is for example with a blasting treatment or a chemical agent surface treatment, and is formed on the first surface 401, and prism structure 41 is to be arranged at second surface 402.When source light process first surface 401, its rough surface promptly has diffusion usefulness, makes the source light homogenising.
See also shown in Figure 9ly, except first surface 401 can be a rough surface, second surface 402 or first surface 401 and second surface 402 can be a rough surface simultaneously also.In Fig. 9, the first surface 401 of diffusion brightening film sheet 4 ' and second surface 402 are to be rough surface simultaneously, and prism structure 41 then is arranged on the second surface 402.
The 4th embodiment
See also shown in Figure 10ly, a kind of diffusion brightening film sheet 5 of fourth embodiment of the invention comprises a substrate 50 and a prism structure 51.Substrate 50 is to have a first surface 501 and a second surface 502 that is oppositely arranged, and prism structure 51 is arranged on the second surface 502.
In the present embodiment, substrate 50 more comprises a diffusion sublayer 504, rough surface is to be positioned at diffusion sublayer 504, and be arranged at the first surface 501 of substrate 50, and diffusion sublayer 504 is to have convex-concave surface (for example being a microlens array), can utilize ultraviolet ray irradiation hardened forming mode to form, make that the first surface 501 of substrate 50 is a rough surface, carry out scattering with assist ray.Be noted that the material of diffusion sublayer 504 is can be identical or inequality with the material of substrate 50.
The 5th embodiment
See also shown in Figure 11ly, a kind of diffusion brightening film sheet 6 of fifth embodiment of the invention comprises a substrate 60, a prism structure 61 and a cloudy surface paper 604.Cloudy surface paper 604 is the uneven surfaces that form first surface 601 and/or second surface 602.In present embodiment, be with first surface 601 and the second surface 602 of cloudy surface paper 604 as substrate 60, to form a rough surface, to promote the scattering degree of light, prism structure 61 then is arranged on the cloudy surface paper 604.
In sum, according to a kind of diffusion brightening film sheet of the present invention, be compound in same substrate by the surface that will spread material or roughening and prism structure.Compare with known techniques, the present invention with diffusion barrier and brightness enhancement film compound after, the source light that makes module backlight promptly can make source light homogenising and forward brightness promote only by single diffusion brightening film sheet, and reduces the visual bright rays phenomenon of LCD.In addition, more can reduce the usage quantity of blooming piece,, reduce production costs to simplify the structure of module backlight.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (9)
1, a kind of diffusion brightening film sheet is characterized in that comprising:
One substrate is to have a first surface and a second surface, and this first surface and this second surface are to be oppositely arranged, and this substrate is to have a diffusion material; And
One prism structure is to be arranged on this second surface.
2, diffusion brightening film sheet according to claim 1 is characterized in that described diffusion material is to be arranged at this first surface and/or this second surface.
3, diffusion brightening film sheet according to claim 1 is characterized in that described diffusion material is doping or is mixed in this substrate.
4, diffusion brightening film sheet according to claim 3 is characterized in that described diffusion material is to be plural diffusion particle, and these diffusion particles are to be titania, silicon dioxide and/or air.
5, diffusion brightening film sheet according to claim 4 is characterized in that described diffusion particle such as grade is to have an adventitia, and the material of this adventitia is to be acryl, silica gel or epoxy resin.
6, a kind of diffusion brightening film sheet is characterized in that comprising:
One substrate is to have one of to be oppositely arranged a first surface and a second surface, and this first surface and/or this second surface are to be a rough surface; And
One prism structure is to be arranged on this first surface and/or this second surface.
7, diffusion brightening film sheet according to claim 6 is characterized in that described substrate is to have a diffusion sublayer, and this rough surface is to be positioned at this diffusion sublayer, and is arranged at this first surface of this substrate.
8, diffusion brightening film sheet according to claim 6 is characterized in that described rough surface is through a blasting treatment or a chemical agent surface treatment.
9, diffusion brightening film sheet according to claim 6 is characterized in that described substrate is to have a cloudy surface paper, and this cloudy surface paper is to form this first surface and/or this second surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101380031A CN101354455A (en) | 2007-07-26 | 2007-07-26 | Diffusion brightening film sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101380031A CN101354455A (en) | 2007-07-26 | 2007-07-26 | Diffusion brightening film sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101354455A true CN101354455A (en) | 2009-01-28 |
Family
ID=40307346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101380031A Pending CN101354455A (en) | 2007-07-26 | 2007-07-26 | Diffusion brightening film sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101354455A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519010A (en) * | 2011-11-16 | 2012-06-27 | 友达光电股份有限公司 | Composite optical film and backlight module using same |
| CN102767739A (en) * | 2011-05-04 | 2012-11-07 | 佛山市南海平板显示技术中心 | Direct type laser backlight module and display thereof |
| CN102767740A (en) * | 2011-05-04 | 2012-11-07 | 佛山市南海平板显示技术中心 | Side type laser backlight module and display thereof |
| CN103245987A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
| CN103245988A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
| CN103245989A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffusion plate |
| CN103293575A (en) * | 2013-05-10 | 2013-09-11 | 张家港康得新光电材料有限公司 | Diffusion and brightness enhancement film and method for manufacturing same |
| CN104216037A (en) * | 2013-05-29 | 2014-12-17 | 友辉光电股份有限公司 | Multifunctional composite optical film, flat panel display and electronic device |
| CN104565995A (en) * | 2013-10-22 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN105445848A (en) * | 2015-12-30 | 2016-03-30 | Tcl海外电子（惠州）有限公司 | Light guide plate and backlight module group |
| CN107102385A (en) * | 2017-04-24 | 2017-08-29 | 宁波东旭成新材料科技有限公司 | A kind of brightness enhancement film for being coated with quantum dot |
| CN109471296A (en) * | 2017-09-08 | 2019-03-15 | 张家港康得新光电材料有限公司 | Diffusion barrier, composite membrane, backlight module and display device |
| CN111323859A (en) * | 2020-02-28 | 2020-06-23 | 广东瑞捷光电股份有限公司 | High-fog high-brightness diffusion plate |
-
2007
- 2007-07-26 CN CNA2007101380031A patent/CN101354455A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767739A (en) * | 2011-05-04 | 2012-11-07 | 佛山市南海平板显示技术中心 | Direct type laser backlight module and display thereof |
| CN102767740A (en) * | 2011-05-04 | 2012-11-07 | 佛山市南海平板显示技术中心 | Side type laser backlight module and display thereof |
| CN102519010B (en) * | 2011-11-16 | 2016-04-06 | 友达光电股份有限公司 | Composite optical film and backlight module using same |
| CN102519010A (en) * | 2011-11-16 | 2012-06-27 | 友达光电股份有限公司 | Composite optical film and backlight module using same |
| CN103245987A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
| CN103245988A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffuser plate |
| CN103245989A (en) * | 2012-02-03 | 2013-08-14 | 苏州拓显光电材料有限公司 | Diffusion plate |
| CN103293575A (en) * | 2013-05-10 | 2013-09-11 | 张家港康得新光电材料有限公司 | Diffusion and brightness enhancement film and method for manufacturing same |
| CN104216037A (en) * | 2013-05-29 | 2014-12-17 | 友辉光电股份有限公司 | Multifunctional composite optical film, flat panel display and electronic device |
| CN105511010A (en) * | 2013-05-29 | 2016-04-20 | 友辉光电股份有限公司 | Optical film and optical element comprising same |
| CN104565995A (en) * | 2013-10-22 | 2015-04-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN105445848A (en) * | 2015-12-30 | 2016-03-30 | Tcl海外电子（惠州）有限公司 | Light guide plate and backlight module group |
| CN105445848B (en) * | 2015-12-30 | 2019-05-31 | Tcl海外电子（惠州）有限公司 | Light guide plate and backlight module |
| CN107102385A (en) * | 2017-04-24 | 2017-08-29 | 宁波东旭成新材料科技有限公司 | A kind of brightness enhancement film for being coated with quantum dot |
| CN109471296A (en) * | 2017-09-08 | 2019-03-15 | 张家港康得新光电材料有限公司 | Diffusion barrier, composite membrane, backlight module and display device |
| CN111323859A (en) * | 2020-02-28 | 2020-06-23 | 广东瑞捷光电股份有限公司 | High-fog high-brightness diffusion plate |
| CN111323859B (en) * | 2020-02-28 | 2021-12-21 | 广东瑞捷光电股份有限公司 | High-fog high-brightness diffusion plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101354455A (en) | Diffusion brightening film sheet | |
| CN102519010B (en) | Composite optical film and backlight module using same | |
| KR101608127B1 (en) | Optical diffusion film and liquid crystal display backlight source using the same | |
| TWI343501B (en) | ||
| CN202177719U (en) | Light guide plate, backlight comprising same, liquid crystal display panel and liquid crystal display | |
| CN104360539B (en) | A kind of backlight module and liquid crystal display device | |
| CN103487857A (en) | Quantum dot film and backlight module | |
| CN103676315A (en) | Light guide plate, backlight source and liquid crystal display device | |
| CN202676940U (en) | Light guide plate, lateral entering type backlight module, and liquid crystal display device | |
| CN101936489A (en) | Backlight module and optical assembly thereof | |
| CN101684921A (en) | Light mixing film for mixing light from light emitting diode backlight source and light emitting diode backlight source | |
| CN101661191A (en) | Diffusion plate applied to direct type backlight module | |
| CN202631771U (en) | Optical film and display device | |
| CN102878525A (en) | Prism film, side-light type backlight module and liquid crystal display device | |
| CN102981309A (en) | Display device | |
| CN100449377C (en) | Light source diffuse module, back light module, and liquid crystal display device | |
| CN101131499A (en) | Photo-scattering luminous component | |
| CN102563466B (en) | Backlight module and display device | |
| CN202521382U (en) | Light guide plate, backlight module and display device | |
| CN202267753U (en) | Structure of light enhancement piece | |
| TW200905257A (en) | Diffusion brightness enhancement sheet | |
| CN114114752B (en) | Backlight module and display device | |
| CN214845858U (en) | Blast panel and blast device | |
| CN205809491U (en) | A kind of ultra thin LED backlight module | |
| CN205450322U (en) | Anti blue light brightness enhancement film of hi -lite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090128 |