CN107656395A - A kind of aluminium casting convex surface backlight - Google Patents
A kind of aluminium casting convex surface backlight Download PDFInfo
- Publication number
- CN107656395A CN107656395A CN201710805583.9A CN201710805583A CN107656395A CN 107656395 A CN107656395 A CN 107656395A CN 201710805583 A CN201710805583 A CN 201710805583A CN 107656395 A CN107656395 A CN 107656395A
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- Prior art keywords
- film
- aluminium casting
- convex surface
- convex
- aluminium
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Road Signs Or Road Markings (AREA)
- Planar Illumination Modules (AREA)
Abstract
Patent of the present invention is related to a kind of aluminium casting convex surface backlight, and for vehicle-mounted backlight, convex surface backlight is made up of convex aluminum casting base, convex film, diaphragm, FPC wiring boards and convex glue frame.Convex surface architectural feature is the barricade of aluminium casting and loading end is all convex configuration, its curvature is between 500~1500mm, aluminium casting convex loading end is provided with 8 snap fit grooves and 2 locating dowels, there are 8 buckles on the outside of barricade, snap fit groove and buckle are advantageous to glue frame in fastening, locating dowel and the "u"-shaped groove in convex film, diaphragm corner are mutually agreed with, film and diaphragm is prevented to be subjected to displacement, convex surface bottom is the fin for being shaped as shutter, and the structure can effectively solve heat dissipation problem.This convex surface structure not only increases outward appearance U.S., increases viewing visual angle, also allows the image showed more rich in third dimension.
Description
Technical field
The present invention relates to backlight display technology field, more particularly to one kind to be cast into convex surface structure by aluminium casting,
Be advantageous to heat conduction, the vehicle-mounted backlight of increase visible area.
Background technology
Backlight (Back Light) is to be located at liquid crystal display (Liquid Crystal Display, LCD) behind
A kind of light source, its illumination effect will directly influence regarding for LCD MODULE (Liquid Crystal Module, LCM)
Feel effect；Liquid crystal display does not light in itself, and it shows that figure or character are its results to light regulation and control, conventional backlight
Hardware part flat die shaping is carried out using stainless steel or aluminium material, planar structure can only be made, it is impossible to fully exclude hair
Heat caused by light source, the film on loading end and diaphragm are also easier to loosen in addition.With the rapid hair of display screen industry
Exhibition and market demand condition gradually improve, and conventional backlight can not meet the higher and higher demand of people.
The content of the invention
It is an object of the invention to provide a kind of aluminium casting convex surface structure backlight, and the convex aluminium casting backlight is not
Convex surface structure can be only cast into, moreover it is possible to which design prevents diaphragm and the knot of convex film displacement on aluminium casting loading end
Structure, in addition, aluminium casting convex surface structure can also improve heat-sinking capability, increase visible angle and display area.
To solve above technical problem, the technical solution adopted by the present invention is：A kind of aluminium casting convex surface backlight, institute
It is aluminium casting base, reflectance coating, film, light-diffusing film, lower floor's bright enhancement film, upper strata that backlight, which is stated, including what is assembled successively from the bottom to top
Bright enhancement film and glue frame, the aluminium casting, film, glue frame are integrally rendered as convex surface structure, and the aluminium casting is carried by convex
Face, the barricade being arranged on the convex loading end and bottom heat radiation groove are formed；Left and right two on the aluminium casting convex loading end
Side respectively sets a locating dowel, and the reflectance coating, film, light-diffusing film, lower floor's bright enhancement film, the left and right sides of upper strata bright enhancement film are corresponding
It is provided with two "u"-shaped groove structures and mutually agrees with the locating dowel on the aluminium casting convex loading end, it is described for preventing
Reflectance coating, film, light-diffusing film, lower floor's bright enhancement film, upper strata bright enhancement film displacement.
Further, 8 snap fit grooves are provided with the convex loading end of the aluminium casting, 8 cards are provided with the outside of barricade
Detain, the snap fit and buckle slot being engaged are provided with corresponding in the glue frame, for aluminium casting described in clamping and glue frame.
Further, the backlight also includes curved surface FPC wiring boards, and the curved surface FPC wiring boards pass through FPC heat-conducting glues
It is fixed on the side of the aluminium casting.
Further, avoiding hollow groove opening position is provided with barricade in together, the interior barricade side on the left of the aluminium casting
It is provided with anti-loosening silica gel.
Further, reflectance coating double faced adhesive tape is pasted with the reflectance coating.
Further, viscous double-sided glass glue is pasted with the glue frame.
Further, the film upper surface attaches fixed film class double faced adhesive tape, and attaches the light-diffusing film, lower floor's increasing successively
Light film, upper strata bright enhancement film.
The aluminium casting, film, the curvature of glue frame are 500~1500mm.
Further, the aluminium casting back end radiating groove design slabbing shutter.
Further, the backlight also includes light leakage black film and anti-FPC scratches black film.
In summary, with technical scheme, have the advantages that：The aluminium casting convex surface of the present invention
Backlight, for vehicle-mounted backlight, convex surface backlight is by convex aluminum casting base, convex film, diaphragm, FPC wiring boards
Formed with convex glue frame.The barricade and loading end of convex surface structure aluminium casting are all convex configurations, its curvature 500~
Between 1500mm, aluminium casting convex loading end has a 8 snap fit grooves and 2 locating dowels, there is 8 buckles on the outside of barricade, snap fit groove and
Buckle is advantageous to glue frame in fastening, and locating dowel and the "u"-shaped groove in convex film, diaphragm corner are mutually agreed with, and prevent film and film
Piece is subjected to displacement, and convex surface bottom is the fin for being shaped as shutter, and the structure can effectively solve radiating and ask
Topic.This convex surface structure not only increases outward appearance U.S., increases viewing visual angle, also allows the richer solid of the image showed
Sense.
Brief description of the drawings
Fig. 1 assembles complete aluminium casting convex surface back light source structure schematic diagram；
Each parts decomposing schematic representation of Fig. 2 aluminium casting convex surface backlights；
Fig. 3 aluminium casting backside heat chip architecture schematic diagrames.
1. viscous double-sided glass glue in figure, 2. convex surface glue frames, bright enhancement film on 3., 4. times bright enhancement films, 5. light-diffusing films, 6. is convex
Shape curved surface film, 7. reflectance coatings, 8. convex surface aluminium castings, 9. curved surface FPC wiring boards, 10.FPC heat-conducting glues, 11. light leakages are black
Film, 12. anti-FPC scratches black films, 13. anti-loosening silica gel, 14. patch reflectance coating double faced adhesive tapes, 15. fix film class double faced adhesive tape, 16. " U "
Shape groove, 81. convex loading ends, 82. barricades, 83. bottom heat radiation grooves, 84. locating dowels.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, but does not form limiting the scope of the invention.
As shown in Figure 1, 2, aluminium casting convex surface backlight of the invention, with reference to attached 2, include aluminium successively from the bottom to top and cast
Part 8, reflectance coating 7, film 6, light-diffusing film 5, lower bright enhancement film 4, on add lustre to mould 3, glue frame 2, viscous double-sided glass glue 1；
Wherein, aluminium casting 8, film 6, glue frame 2 are overall is rendered as convex surface structure, and hereinafter referred to as convex surface aluminium is cast
Part, convex surface film, convex surface glue frame；
Aluminium casting is made up of convex loading end 81, the barricade being arranged on convex loading end 81 82 and bottom heat radiation groove 83；
One locating dowel 84 of each side setting of aluminium casting convex loading end 81, reflectance coating 7, film 6, light-diffusing film 5, lower floor add lustre to
Film 4, the left and right sides of upper strata bright enhancement film 3 are correspondingly arranged on two "u"-shaped grooves 16 and with determining on the convex loading end 81 of aluminium casting 8
Position post 84 mutually agrees with, for preventing from penetrating film 7, film 6, light-diffusing film 5, lower floor's bright enhancement film 4, the displacement of upper strata bright enhancement film 3.
Specifically, being provided with 8 snap fit grooves on the spill loading end 81 of aluminium casting 8,8 buckles are provided with the outside of barricade,
The snap fit and buckle slot being engaged are provided with corresponding in glue frame 2, for clamping aluminium casting 8 and glue frame 2, the snap fit on aluminium casting
Groove mutually agrees with the snap fit on glue shell, and the buckle on aluminium casting is interlocked with the buckle slot on glue shell.
Specifically, the backlight of the present invention also includes curved surface FPC wiring boards 9, during assembling, first curved surface FPC wiring boards 9 are led to
Cross FPC heat-conducting glues 10 to be fixed on the side of convex surface aluminium casting 8, then the convex surface film 6 for wrapping reflectance coating 7 is loaded
On the loading end of convex surface aluminium casting 8, wherein double barrier wall structures are provided with the left side of convex surface aluminium casting 8, including outer barricade
With interior barricade, outer wall height is higher than interior barricade, and the space between inside and outside barricade is empty avoiding groove location, wherein interior barricade side is tight
Anti-loosening silica gel 13 is pasted, anti-loosening silica gel 13 is installed in interior barricade side before loading convex film 6, so design can be more preferable
Fix convex surface film 6, after fixing convex surface film 6, it is double that film class is adhered fixed on the boss rank on its left side
Face glue 15, light-diffusing film 5, lower bright enhancement film 4 and upper bright enhancement film 3 are then fixed successively, then fasten convex surface glue frame 2 and attach viscous
Double-sided glass glue 1, light leakage black film 11 and anti-FPC scratches black film 12 are finally pasted on product, complete aluminium casting convex surface
The assembling of backlight.
Refer to the attached drawing 3, the back end radiating groove 83 of convex surface aluminium casting 8 design slabbing shutter, helps to radiate.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of aluminium casting convex surface backlight, what the backlight included assembling successively from the bottom to top be aluminium casting base,
Reflectance coating, film, light-diffusing film, lower floor's bright enhancement film, upper strata bright enhancement film and glue frame, it is characterised in that：The aluminium casting, film, glue
Frame is integrally rendered as convex surface structure, and the aluminium casting is by convex loading end, the barricade being arranged on the convex loading end
Formed with bottom heat radiation groove；One locating dowel of each side setting of the aluminium casting spill loading end, the reflectance coating, glue
Piece, light-diffusing film, lower floor's bright enhancement film, be correspondingly arranged at left and right sides of the bright enhancement film of upper strata two "u"-shaped groove structures and with the aluminium
Locating dowel on casting convex loading end is mutually agreed with, for prevent the reflectance coating, film, light-diffusing film, lower floor's bright enhancement film,
Layer bright enhancement film displacement.
A kind of 2. aluminium casting convex surface backlight according to claim 1, it is characterised in that：The convex of the aluminium casting
Eight snap fit grooves are provided with loading end, eight buckles are provided with the outside of barricade, corresponding be provided with is engaged in the glue frame
Snap fit and buckle slot, for aluminium casting described in clamping and glue frame, prevent diaphragm and film to be moved in transportation.
A kind of 3. aluminium casting convex surface backlight according to claim 1, it is characterised in that：The backlight also includes
Curved surface FPC wiring boards, the curved surface FPC wiring boards are fixed on by FPC heat-conducting glues on the side of the aluminium casting.
A kind of 4. aluminium casting convex surface backlight according to claim 1, it is characterised in that：On the left of the aluminium casting
Avoiding hollow groove opening position is provided with barricade in together, and the interior barricade side is provided with anti-loosening silica gel.
A kind of 5. aluminium casting convex surface backlight according to claim 1, it is characterised in that：Attached on the reflectance coating
There is reflectance coating double faced adhesive tape.
A kind of 6. aluminium casting convex surface backlight according to claim 1, it is characterised in that：It is pasted with the glue frame
Viscous double-sided glass glue.
A kind of 7. aluminium casting convex surface backlight according to claim 1, it is characterised in that：The film upper surface patch
Attached fixed film class double faced adhesive tape, and the light-diffusing film, lower floor's bright enhancement film, upper strata bright enhancement film are attached successively.
A kind of 8. aluminium casting convex surface backlight according to claim 1, it is characterised in that：The aluminium casting, film,
The curvature of glue frame is 500~1500mm.
A kind of 9. aluminium casting convex surface backlight according to claim 1, it is characterised in that：The backlight also includes
Light leakage black film and anti-FPC scratches black film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805583.9A CN107656395A (en) | 2017-09-08 | 2017-09-08 | A kind of aluminium casting convex surface backlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805583.9A CN107656395A (en) | 2017-09-08 | 2017-09-08 | A kind of aluminium casting convex surface backlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656395A true CN107656395A (en) | 2018-02-02 |
Family
ID=61129418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710805583.9A Pending CN107656395A (en) | 2017-09-08 | 2017-09-08 | A kind of aluminium casting convex surface backlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107656395A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572484A (en) * | 2018-06-07 | 2018-09-25 | 伟志光电（深圳）有限公司 | A kind of vehicle-mounted backlight of bilateral entering light |
| WO2021051638A1 (en) * | 2019-09-18 | 2021-03-25 | 湖南贵德科技有限公司 | Lcd black film display device |
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| CN205912089U (en) * | 2016-04-29 | 2017-01-25 | 伟志光电（深圳）有限公司 | Iron integration backlight is glued to no frame |
| CN205920300U (en) * | 2016-07-05 | 2017-02-01 | 深圳市松利源科技有限公司 | A integral type backplate for strip -shaped screen |
| CN205958894U (en) * | 2016-08-30 | 2017-02-15 | 京东方科技集团股份有限公司 | Backlight source and display device |
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| CN201107522Y (en) * | 2007-10-10 | 2008-08-27 | 群康科技(深圳)有限公司 | Back light module unit and LCD |
| CN101887890A (en) * | 2009-05-13 | 2010-11-17 | Lg伊诺特有限公司 | Lighting module, backlight unit, and display device |
| CN105093680A (en) * | 2009-10-19 | 2015-11-25 | 三星显示有限公司 | Backlight assembly and liquid crystal display having the same |
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| JP2014115313A (en) * | 2012-12-06 | 2014-06-26 | Mitsubishi Electric Corp | Display device |
| CN103454801A (en) * | 2013-09-09 | 2013-12-18 | 深圳市华星光电技术有限公司 | Backlight frame and backlight module |
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| CN105842919A (en) * | 2016-04-25 | 2016-08-10 | 乐视控股（北京）有限公司 | Backlight unit, display module and display equipment |
| CN205912089U (en) * | 2016-04-29 | 2017-01-25 | 伟志光电（深圳）有限公司 | Iron integration backlight is glued to no frame |
| CN205920300U (en) * | 2016-07-05 | 2017-02-01 | 深圳市松利源科技有限公司 | A integral type backplate for strip -shaped screen |
| CN205958894U (en) * | 2016-08-30 | 2017-02-15 | 京东方科技集团股份有限公司 | Backlight source and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572484A (en) * | 2018-06-07 | 2018-09-25 | 伟志光电（深圳）有限公司 | A kind of vehicle-mounted backlight of bilateral entering light |
| WO2021051638A1 (en) * | 2019-09-18 | 2021-03-25 | 湖南贵德科技有限公司 | Lcd black film display device |
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Application publication date: 20180202 |