CN108710170A - Hyperboloid mobile phone LED backlight - Google Patents
Hyperboloid mobile phone LED backlight Download PDFInfo
- Publication number
- CN108710170A CN108710170A CN201810384506.5A CN201810384506A CN108710170A CN 108710170 A CN108710170 A CN 108710170A CN 201810384506 A CN201810384506 A CN 201810384506A CN 108710170 A CN108710170 A CN 108710170A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- light guide
- add lustre
- hyperboloid
- diffusion barrier
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0051—Diffusing sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
Abstract
The invention discloses hyperboloid mobile phone LED backlight, including light guide plate, diffusion barrier, under add lustre to, on add lustre to, shading glue, reflectance coating, socket informal voucher, DOB lamp bars and glue iron, wherein:Be equipped with successively on the light guide plate diffusion barrier, under add lustre to, on add lustre to and shading glue, light guide plate has a reflectance coating, light guide plate, diffusion barrier, under add lustre to, on add lustre to, be mounted in glue iron after the pressing of shading glue and reflectance coating.The present invention overcomes the shade phenomenon of backlight, improves the uniformity of backlight completely by adding novel coupling structure and free form surface reflector in light guide plate incidence surface;Cross one another V-CUT structures and profile gradual change type R-CUT structures are designed in curved surface area, incident light changes the conduction orientation of light by curved refractive, realizes curved surface and plane emission uniformity;Site size and depth carry out gradual change type design according to curved surface radian, and using laser processing site, obtain high brightness, high uniformity LED backlight.
Description
Technical field
The present invention relates to LED backlight technical field more particularly to hyperboloid mobile phone LED backlights.
Background technology
The mobile phone for having curve screens that Samsung is released can be described as quite attracting eyeball, and many domestic manufacturers are all unable to bear
To attempt such product.Fast science and technology message, Samsung Galaxy S6 Edge, Galaxy S6 Edge+ are by unique
The design of three screen of hyperboloid is in the field of business leading, and Samsung oneself is not all stinted to promote it and deliberately suppresses Galaxy Note 5.
But how hyperbolic face solves the shade phenomenon of backlight, improves the uniform of backlight in the case where improving screen accounting
Property, realize the problem that curved surface and plane emission uniformity are now in the urgent need to address.
Invention content
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of hyperboloid mobile phone LED backlight.
Technical scheme is as follows:Hyperboloid mobile phone LED backlight, including light guide plate, diffusion barrier, under add lustre to,
On add lustre to, shading glue, reflectance coating, socket informal voucher, DOB lamp bars and glue iron, wherein:On the light guide plate successively be equipped with diffusion barrier,
Under add lustre to, on add lustre to and shading glue, light guide plate has a reflectance coating, light guide plate, diffusion barrier, under add lustre to, on add lustre to, shading glue and
It being mounted in glue iron after reflectance coating pressing, the DOB lamp bars are fixedly mounted in glue iron, and DOB lamp bars upper end is equipped with socket informal voucher,
In the same horizontal line with light guide plate, DOB lamp bars are equipped with 3 LED lamp beads to DOB lamp bars, and DOB lamp bars use CSP packaging technologies,
Light guide plate incidence surface is equipped with group novel coupling structure, and each group of novel coupling structure is with unification LED lamp pearl, novel coupling structure
Upper end is additionally provided with reflector, and the reflector is consistent with light guide plate curvature.
Preferably, the light guide plate light-emitting surface is equipped with V-CUT structures, and the V-CUT structures are using polymerization diamond nanoparticles knife
Reciprocated cutting processing, precision 2nm, depth 50-80nm are carried out in high rigidity die surface, the light guide plate bottom is equipped with net
Point, a diameter of 50um in site, depth:0.5-0.52 um, and dredge the close curvilinear motion of tail in head.
Preferably, the diffusion barrier, under add lustre to and on add lustre to using heat cure processing technology prepare, determine that thickness is
The curved optic membrane material solidification temperature of 0.05-0.095mm is 130 DEG C, cure cycle 3-5 seconds.
Preferably, the socket informal voucher and DOB lamp bars are consistent with light guide plate curvature.
Preferably, the both sides curved surface area of the light guide plate is equipped with V-CUT structures and R-CUT structures, the V-CUT structures
It intersects setting with R-CUT structures.
The technique effect and advantage of the present invention:Novel coupling structure and free form surface reflection are added in light guide plate incidence surface
Cover, overcomes the shade phenomenon of backlight, improves the uniformity of backlight completely;Cross one another V-CUT is designed in curved surface area
Structure and profile gradual change type R-CUT structures, incident light change the conduction orientation of light by curved refractive, realize curved surface and plane
Emission uniformity;Site size and depth carry out gradual change type design according to curved surface radian, and using laser processing site, obtain height
Brightness, high uniformity LED backlight.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the light guide plate of the present invention.
Fig. 3 is the incidence surface structural schematic diagram of the light guide plate of the present invention.
Fig. 4 is the novel coupling structure enlarged drawing of the present invention.
Fig. 5 is the V-CUT structures and R-CUT structure structural schematic diagrams of the light guide plate curved surface of the present invention.
In figure:Add lustre under 1 light guide plate, 2 diffusion barriers, 3, add lustre on 4,5 shading glues, 6 reflectance coatings, 7 socket informal vouchers, 8DOB lamps
Item, 9 glue iron, 10 V-CUT structures, 11 sites, 12 novel coupling structures, 13LED lamp beads, 14 reflectors, 15 R-CUT structures.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, including light guide plate 1, diffusion barrier 2, under add lustre to 3, on add lustre to 4, shading glue 5, reflectance coating 6, socket it is white
Item 7, DOB lamp bars 8 and glue iron 9, wherein:Be equipped with successively on the light guide plate 1 diffusion barrier 2, under add lustre to 3, on add lustre to 4 and shading glue
5, light guide plate 1 has a reflectance coating 6, light guide plate 1, diffusion barrier 2, under add lustre to 3, on add lustre to 4, shading glue 5 and after reflectance coating 6 presses
In glue iron 9, the DOB lamp bars 8 are fixedly mounted in glue iron 9, and 8 upper end of DOB lamp bars is equipped with socket informal voucher 7, DOB lamp bars
8 with light guide plate 1 in the same horizontal line, DOB lamp bars 8 be equipped with 3 LED lamp beads 13, DOB lamp bars 8 use CSP packaging technologies,
The socket informal voucher 7 and DOB lamp bars 8 are consistent with 1 curvature of light guide plate.
Referring to Fig. 2,1 light-emitting surface of the light guide plate is equipped with V-CUT structures 10, the V-CUT structures 10 are bored using polymerization
Stone nano-knife is in high rigidity(HRC60)Die surface carries out Reciprocated cutting processing, and precision 2nm, depth 50-80nm are described
1 bottom of light guide plate is equipped with site 11,11 a diameter of 50um of the site, depth:0.5-0.52 um, and dredge the close curve of tail in head
Variation.
Fig. 3 and Fig. 4 are please referred to, 1 incidence surface of light guide plate is equipped with 3 groups of novel coupling structures 12, each group of novel coupling structure
12 with unification LED lamp pearl 13, and 12 upper end of novel coupling structure is additionally provided with reflector 14, and the reflector 14 is bent with light guide plate 1
Rate is consistent.
Further, the diffusion barrier 2, under add lustre to 3 and on add lustre to 4 using heat cure processing technologies prepare, determine ultra-thin
(Thickness is 0.05-0.095mm)Curved optic membrane material solidification temperature is 130 DEG C, cure cycle 3-5 seconds.
Referring to Fig. 5, the both sides curved surface area of the light guide plate 1 is equipped with V-CUT structures 10 and R-CUT structures 15, it is described
V-CUT structures 10 and R-CUT structures 15 intersect setting, and incident light changes the conduction orientation of light by curved refractive, realize
Curved surface and plane emission uniformity.
Claims (5)
1. hyperboloid mobile phone LED backlight, including light guide plate(1), diffusion barrier(2), under add lustre to(3), on add lustre to(4), shading
Glue(5), reflectance coating(6), socket informal voucher(7), DOB lamp bars(8)With glue iron(9), it is characterised in that:The light guide plate(1)On according to
It is secondary to be equipped with diffusion barrier(2), under add lustre to(3), on add lustre to(4)And shading glue(5), light guide plate(1)Have reflectance coating(6), guide-lighting
Plate(1), diffusion barrier(2), under add lustre to(3), on add lustre to(4), shading glue(5)And reflectance coating(6)Glue iron is mounted on after pressing(9)
It is interior, the DOB lamp bars(8)It is fixedly mounted on glue iron(9)It is interior, DOB lamp bars(8)Upper end is equipped with socket informal voucher(7), DOB lamp bars(8)
With light guide plate(1)In the same horizontal line, DOB lamp bars(8)It is equipped with 3 LED lamp beads(13), DOB lamp bars(8)It is sealed using CSP
Dress technique, light guide plate(1)Incidence surface is equipped with(3)Group novel coupling structure(12), each group of novel coupling structure(12)With unification
LED lamp bead(13), novel coupling structure(12)Upper end is additionally provided with reflector(14), the reflector(14)With light guide plate(1)
Curvature is consistent.
2. hyperboloid mobile phone LED backlight according to claim 1, it is characterised in that:The light guide plate(1)Light-emitting surface
Equipped with V-CUT structures(10), the V-CUT structures(10)It is carried out back and forth in high rigidity die surface using polymerization diamond nanoparticles knife
Machining, precision 2nm, depth 50-80nm, the light guide plate(1)Bottom is equipped with site(11), the site(11)Directly
Diameter is 50um, depth:0.5-0.52 um, and dredge the close curvilinear motion of tail in head.
3. hyperboloid mobile phone LED backlight according to claim 1, it is characterised in that:The diffusion barrier(2), lower increasing
Light(3)Above add lustre to(4)It is prepared using heat cure processing technology, determines that the curved optic membrane material that thickness is 0.05-0.095mm is solid
It is 130 DEG C to change temperature, cure cycle 3-5 seconds.
4. hyperboloid mobile phone LED backlight according to claim 1, it is characterised in that:The socket informal voucher(7)With
DOB lamp bars(8)With light guide plate(1)Curvature is consistent.
5. hyperboloid mobile phone LED backlight according to claim 1, it is characterised in that:Two lateral curvatures of the light guide plate 1
Face region is equipped with V-CUT structures(10)With R-CUT structures(15), the V-CUT structures(10)With R-CUT structures(15)Mutually hand over
Fork setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810384506.5A CN108710170A (en) | 2018-04-26 | 2018-04-26 | Hyperboloid mobile phone LED backlight |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810384506.5A CN108710170A (en) | 2018-04-26 | 2018-04-26 | Hyperboloid mobile phone LED backlight |
Publications (1)
Publication Number | Publication Date |
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CN108710170A true CN108710170A (en) | 2018-10-26 |
Family
ID=63866894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810384506.5A Pending CN108710170A (en) | 2018-04-26 | 2018-04-26 | Hyperboloid mobile phone LED backlight |
Country Status (1)
Country | Link |
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CN (1) | CN108710170A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1881023A (en) * | 2005-06-16 | 2006-12-20 | 清华大学 | Backlight module assembly |
CN101078795A (en) * | 2006-05-24 | 2007-11-28 | 清华大学 | Light conducting board and backlight module |
CN103675990A (en) * | 2013-12-26 | 2014-03-26 | 深圳Tcl新技术有限公司 | Curved light guide plate and manufacturing method thereof |
JP2015079707A (en) * | 2013-10-18 | 2015-04-23 | 凸版印刷株式会社 | Light guide plate, lighting device, backlight unit and display unit |
CN206039100U (en) * | 2016-09-22 | 2017-03-22 | 芜湖德仓光电有限公司 | Backlight source structure |
-
2018
- 2018-04-26 CN CN201810384506.5A patent/CN108710170A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1881023A (en) * | 2005-06-16 | 2006-12-20 | 清华大学 | Backlight module assembly |
CN101078795A (en) * | 2006-05-24 | 2007-11-28 | 清华大学 | Light conducting board and backlight module |
JP2015079707A (en) * | 2013-10-18 | 2015-04-23 | 凸版印刷株式会社 | Light guide plate, lighting device, backlight unit and display unit |
CN103675990A (en) * | 2013-12-26 | 2014-03-26 | 深圳Tcl新技术有限公司 | Curved light guide plate and manufacturing method thereof |
CN206039100U (en) * | 2016-09-22 | 2017-03-22 | 芜湖德仓光电有限公司 | Backlight source structure |
Non-Patent Citations (1)
Title |
---|
论文集编委会: "《全国第十二次光纤通信暨第十三届集成光学学术会议论文集》", 30 November 2005 * |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181026 |
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RJ01 | Rejection of invention patent application after publication |