CN108710170A - Hyperboloid mobile phone LED backlight - Google Patents

Hyperboloid mobile phone LED backlight Download PDF

Info

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
Application number
CN201810384506.5A
Other languages
Chinese (zh)
Inventor
李林生
宋荣华
卢文勇
高远
严玉峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGXI LIANCHUANG ZHIGUANG TECHNOLOGY Co Ltd
Original Assignee
JIANGXI LIANCHUANG ZHIGUANG TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGXI LIANCHUANG ZHIGUANG TECHNOLOGY Co Ltd filed Critical JIANGXI LIANCHUANG ZHIGUANG TECHNOLOGY Co Ltd
Priority to CN201810384506.5A priority Critical patent/CN108710170A/en
Publication of CN108710170A publication Critical patent/CN108710170A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0051Diffusing sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015Means 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
    • G02B6/002Means 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0013Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023Means 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
    • G02B6/0031Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0073Light emitting diode [LED]
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning 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

Hyperboloid mobile phone LED backlight
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.
CN201810384506.5A 2018-04-26 2018-04-26 Hyperboloid mobile phone LED backlight Pending CN108710170A (en)

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
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
CN (1) CN108710170A (en)

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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SE01 Entry into force of request for substantive examination
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RJ01 Rejection of invention patent application after publication

Application publication date: 20181026

RJ01 Rejection of invention patent application after publication