CN101458418A - Complex optical film series and method for producing the same - Google Patents
Complex optical film series and method for producing the same Download PDFInfo
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- CN101458418A CN101458418A CNA2008102445220A CN200810244522A CN101458418A CN 101458418 A CN101458418 A CN 101458418A CN A2008102445220 A CNA2008102445220 A CN A2008102445220A CN 200810244522 A CN200810244522 A CN 200810244522A CN 101458418 A CN101458418 A CN 101458418A
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Abstract
The invention relates to composite optical films and a preparation method thereof, which comprises the following steps: combining a piece of DBEF (dual brightness enhancement film), two pieces of BEFs (brightness enhancement film) and two pieces of diffuser films on anti-reflection glass or an infrared cut-off filter by using optical double side adhesive; reprocessing and sealing the composite films in a certain order. The composite optical films not only meet the basic performance requirement of LCD backlight optical films, but also improve the transmissivity and the vibration resistance, humidity resistance and reliability of the films. Besides, the composite optical films accord with the standards of airborne display and night viewing compatibility, and can be used as airborne LCD module with high reliability.
Description
Technical field
The optical compound film that the invention belongs in the electron display device is the field, specially refers to improve brightness, anti-vibration, the heat resistance of Liquid Crystal Module (LCD) and satisfy performance requirements such as night viewing compatible in airborne LCD display module.
Background technology
The core display device of air weapon equipments such as the integrated display system of modernization aircraft, weapon fire control system mostly is the LCD display module, needs based on airborne application scenario, this assembly should possess high brightness, high definition, high position precision and high-contrast, high structural strength and highly reliable performance, carry out crosslinked work with adaline borne computer and all air weapon equipment, realize that multi-functional informix shows, at present, the difficult point of airborne LCD display module is how to realize high brightness under the condition that satisfies antivibration, heat resistance and night viewing compatible.
Realize the high brightness of Liquid Crystal Module, except improving back light source brightness, unique approach is exactly to improve the transmitance of optical film in the whole LCD module, make full use of luminous energy, need to increase the component count of optical film so inevitably, adding has the optical filter that satisfies the night viewing compatible requirement again, and numerous optical film assemblies has brought difficulty for anti-vibration, heat resistance.At this problem, this research group has proposed a kind of film structure design of innovation through research and experimental demonstration.
Summary of the invention
The technical problem to be solved in the present invention is: in the prior art, do not add in the optical film of airborne LCD module and meet the cutoff filter that night vision requires, and each assembly is normally put sticking adhesive tape and the sealing compound used again with glue and is sealed, like this in vibration processes, can make and rub between the assembly, destroy the intrinsic optical texture of blooming easily, influence its optical characteristics; In addition, add the night vision sheet and can make the transmitance of film system descend afterwards, thereby influence the brightness of whole Liquid Crystal Module.
Purpose of the present invention is to provide a kind of and satisfies night viewing compatible, has high anti-vibration ability, the film structure and the method for making of high heat resistance ability, high permeability and high reliability.
This purpose of the present invention is to adopt following technical scheme to realize that optical film is made up of a DBEF film, two mutually perpendicular BEF films, two diffusers, three blocks of two-sided anti-reflection glass, an IR-cut glass.
A kind of complex optical film series, this optical film is followed successively by from top to bottom: DBEF composite membrane, two orthogonal BEF composite membranes of prism direction, diffusion composite membrane.
This optical film comprises: a DBEF film, two mutually perpendicular BEF films, two diffusers, three blocks of two-sided anti-reflection glass, an IR-cut glass.
Wherein, use the compound formation DBEF composite membrane of optics double faced adhesive tape between the one side of the close backlight of DBEF film and the first two-sided anti-reflection glass; The non-prism facets of two BEF films is compound with the optics double faced adhesive tape respectively and between second, third two-sided anti-reflection glass, constitutes the orthogonal two-layer BEF composite membrane of prism direction, prism facets wherein up, and the direction of two BEF films is vertical mutually; Two diffusers constitute the diffusion composite membrane with the compound tow sides to IR-cut glass of optics double faced adhesive tape respectively.Adopt the glue point to be connected between four composite membranes, four limits seal with sealing compound.
A kind of method for making of complex optical film series:
A. it is on glass the DBEF film to be compounded in the first two-sided anti-reflection near the one side of light source with the optics double faced adhesive tape;
B. it is on glass two BEF films to be compounded in two two-sided anti-reflections respectively, carry out with the non-prism facets of BEF and optics double faced adhesive tape and glass compound, prism facets up, and two prism film directions are vertical, promptly the prism direction of two BEF composite membranes is vertical mutually;
C. again two diffusers are compounded in the tow sides of IR-cut glass;
D. top four blocks of compound good glass are put with glue by the order of DBEF, two-layer orthogonal BEF, diffuser and glued, and four limits are sealed with sealing compound.
Above-mentioned diffusive reflective film effect is the optical hazeization with light source, evenly, is that the light that prism film will overflow after anti-is collected within the certain angle of vertical and level by two BEF films, and the DBEF film is the light that utilizes the polarization direction different again, to reach the effect of blast; Anti-reflection glass is meant that being coated with antireflective film (as fluoride) on the optical glass of high permeability reduces the purpose that reflectivity increases transmitance to reach to increase; IR-cut glass also is plated film on optical glass (as metal oxide), and it is ended to satisfy the requirement of night viewing compatible the light of infrared part in the backlight.
By this compound film system is carried out optic test, draw, transmitance can reach 88%, has increased by 17% than traditional film system (transmitance 75%) of clamping blooming with optical glass and cutoff filter, and has satisfied the requirement of night viewing compatible about width of cloth brightness and chromaticity coordinates fully.
By this compound film system is carried out vibration test, direction of vibration is respectively X, Y, three direction of principal axis of Z, time of vibration be every three hours, rumble spectrum 5～2000Hz, 0.04g
2/ Hz, test back display effect is good, illustrates that this film structure is to hold out against oscillation intensity under the airborne state.
The composition of this film structure is simple, processing ease, but can satisfy the night viewing compatible requirement fully, improve the ability of anti-complex environment greatly; Beneficial effect with respect to prior art is: satisfying under the condition of night viewing compatible, still very high optical transmittance can be arranged, and anti-vibration, heat resistance, reliability are significantly improved all.
Description of drawings
Fig. 1: the compound synoptic diagram of DBEF film;
Fig. 2: the compound synoptic diagram of BEF film;
Fig. 3: two compound synoptic diagram of diffuser;
Fig. 4: whole compound film system structural representation.
1-DBEF film, 2-the first two-sided anti-reflection glass, 3-optics double faced adhesive tape, 4-BEF film, 5-the second two-sided anti-reflection glass, 6-the three two-sided anti-reflection glass, 7-prism facets, 8,8 '-diffuser, 9-cutoff filter, 10-screen, 11-backlight, 12-DBEF composite membrane, 13-BEF (⊥) composite membrane, 14-BEF (∥) composite membrane, 15-diffusion composite membrane
Embodiment
With reference to Fig. 1, with laminator DBEF film (1) entirely is attached on the two-sided anti-reflection glass (2), can not there be bubble and foreign material to enter;
With reference to Fig. 2, using the same method is compounded in two BEF films (4) respectively on two blocks of two-sided anti-reflection glass (5,6), notes with the prism facets of BEF film up, and guarantees that compound back cope and drag pattern prism direction is vertical;
With reference to Fig. 3, two diffusers (8,8 ') are compounded on the cutoff filter (9);
According to Fig. 4 above four composite membranes are sticked together with the glue point in order at last, and seal with sealing compound.
As running into bubble, available defoaming machine is removed bubble under High Temperature High Pressure in recombination process.
The method for making of compound film system is carried out according to the following steps: it is on glass (a) the DBEF film to be compounded in two-sided anti-reflection near the side of backlight (11) with the optics double faced adhesive tape, guarantee not have bubble, no-sundries (as Fig. 1); (b) it is on glass that the BEF film is compounded in two two-sided anti-reflections respectively, and attention should be carried out compound with the non-prism facets of BEF and optics double faced adhesive tape and glass, and should guarantee two prism film directions vertical (as Fig. 2) after compound; (c) again two diffusers (as ED432) are compounded in the tow sides (as Fig. 3) of last piece anti-reflection glass; (d) top four blocks of compound good glass are put sticking with glue by the order of DBEF composite membrane (12), BEF (⊥) (prism facets up) composite membrane (13), BEF (∥) (prism facets up) composite membrane (14), diffusion composite membrane (15), and four limits are sealed with sealing compound.
Originality of the present invention has been to change traditional coating mode, replaces with the compound mode of optics double faced adhesive tape, and has used the anti-reflection glass that can increase transmitance to replace common optics white glass, has reached the effect that utilizes backlight luminous energy more fully; Simultaneously diffuser is compounded on the cutoff filter, has satisfied the requirement of airborne display module night viewing compatible.
Claims (8)
1, a kind of complex optical film series is characterized in that, this optical film is followed successively by from top to bottom: DBEF composite membrane, two orthogonal BEF composite membranes of prism direction, diffusion composite membrane.
2, complex optical film series according to claim 1 is characterized in that, this optical film comprises: a DBEF film, two mutually perpendicular BEF films, two diffusers, three blocks of two-sided anti-reflection glass, an IR-cut glass.
3, complex optical film series according to claim 1 and 2 is characterized in that, and is compound with the optics double faced adhesive tape between the one side of the close backlight of DBEF film and the first two-sided anti-reflection glass.
4, complex optical film series according to claim 1 and 2 is characterized in that, the non-prism facets of two BEF films is compound with the optics double faced adhesive tape respectively and between second, third two-sided anti-reflection glass, prism facets up, and the direction of two BEF films is vertical mutually.
5, complex optical film series according to claim 1 and 2 is characterized in that, two diffusers are used the compound tow sides to IR-cut glass of optics double faced adhesive tape respectively.
6, complex optical film series according to claim 1 and 2 is characterized in that, uses the compound formation DBEF composite membrane of optics double faced adhesive tape between the one side of the close backlight of DBEF film and the first two-sided anti-reflection glass; The non-prism facets of two BEF films is compound with the optics double faced adhesive tape respectively and between second, third two-sided anti-reflection glass, constitutes the orthogonal two-layer BEF composite membrane of prism direction; Two diffusers constitute the diffusion composite membrane with the compound tow sides to IR-cut glass of optics double faced adhesive tape respectively.
7, complex optical film series according to claim 6 is characterized in that, adopts the glue point to be connected between four composite membranes, and four limits seal with sealing compound.
8, a kind of method for making of complex optical film series as claimed in claim 1 or 2 is characterized in that,
A. it is on glass the DBEF film to be compounded in the first two-sided anti-reflection near the one side of light source with the optics double faced adhesive tape;
B. it is on glass two BEF films to be compounded in two two-sided anti-reflections respectively, carry out with the non-prism facets of BEF and optics double faced adhesive tape and glass compound, prism facets up, and two prism film directions are vertical, promptly the prism direction of two BEF composite membranes is vertical mutually;
C. again two diffusers are compounded in the tow sides of IR-cut glass;
D. top four blocks of compound good glass are put with glue by the order of DBEF, two-layer orthogonal BEF, diffuser and glued, and four limits are sealed with sealing compound.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102445220A CN101458418B (en) | 2008-11-19 | 2008-11-19 | Complex optical film series and method for producing the same |
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| CN2008102445220A CN101458418B (en) | 2008-11-19 | 2008-11-19 | Complex optical film series and method for producing the same |
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| CN101458418A true CN101458418A (en) | 2009-06-17 |
| CN101458418B CN101458418B (en) | 2010-12-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862337A (en) * | 2012-10-15 | 2013-01-09 | 中航华东光电有限公司 | Optical film group manufacturing method |
| CN104181618A (en) * | 2014-09-15 | 2014-12-03 | 中航华东光电有限公司 | Optical film assembly resistant to strong vibration and manufacturing method of optical film assembly resistant to strong vibration |
| CN105068163A (en) * | 2015-09-10 | 2015-11-18 | 中航华东光电有限公司 | High/low-temperature membrane wrinkling prevention membrane group structure and production method thereof |
| US9329430B2 (en) | 2011-04-28 | 2016-05-03 | Dolby Laboratories Licensing Corporation | Dual panel display with cross BEF collimator and polarization-preserving diffuser |
| CN106201038A (en) * | 2015-04-30 | 2016-12-07 | 宸展光电（厦门）有限公司 | A kind of touch control display apparatus and there is the ATM of this touch control display apparatus |
| CN114019722A (en) * | 2021-11-04 | 2022-02-08 | 深圳创维－Rgb电子有限公司 | Composite diaphragm and manufacturing method thereof |
-
2008
- 2008-11-19 CN CN2008102445220A patent/CN101458418B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9329430B2 (en) | 2011-04-28 | 2016-05-03 | Dolby Laboratories Licensing Corporation | Dual panel display with cross BEF collimator and polarization-preserving diffuser |
| CN102862337A (en) * | 2012-10-15 | 2013-01-09 | 中航华东光电有限公司 | Optical film group manufacturing method |
| CN102862337B (en) * | 2012-10-15 | 2015-09-02 | 中航华东光电有限公司 | A kind of blooming group preparation method |
| CN104181618A (en) * | 2014-09-15 | 2014-12-03 | 中航华东光电有限公司 | Optical film assembly resistant to strong vibration and manufacturing method of optical film assembly resistant to strong vibration |
| CN106201038A (en) * | 2015-04-30 | 2016-12-07 | 宸展光电（厦门）有限公司 | A kind of touch control display apparatus and there is the ATM of this touch control display apparatus |
| CN105068163A (en) * | 2015-09-10 | 2015-11-18 | 中航华东光电有限公司 | High/low-temperature membrane wrinkling prevention membrane group structure and production method thereof |
| CN114019722A (en) * | 2021-11-04 | 2022-02-08 | 深圳创维－Rgb电子有限公司 | Composite diaphragm and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN101458418B (en) | 2010-12-29 |
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Owner name: AVIC HUADONG PHOTOELECTRIC CO., LTD. Free format text: FORMER OWNER: HUADONG PHOTOELECTRIC TECHNIQUE INSTITUTE OF ANHUI PROVINCE Effective date: 20110217 |
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Free format text: CORRECT: ADDRESS; FROM: 241000 HUAXIA SCIENCE AND TECHNOLOGY PARK, CHENGNAN HIGH-TECH. DEVELOPMENT AREA, WUHU CITY, ANHUI PROVINCE TO: 241000 HUAXIA SCIENCE AND TECHNOLOGY PARK, CHENGNAN HIGH-TECH. DEVELOPMENT AREA, YIJIANG DISTRICT, WUHU CITY, ANHUI PROVINCE |
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Effective date of registration: 20110217 Address after: 241000 Anhui Province, Wuhu city Yijiang District South high tech Development Zone Technology Park mansion Patentee after: Avic Huadong Photoelectric Co., Ltd. Address before: 241000 Anhui Province, south of the city of Wuhu high tech Development Zone Technology Park mansion Patentee before: Huadong Photoelectric Technique Institute of Anhui Province |