CN102537867A - Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp - Google Patents
Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp Download PDFInfo
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- CN102537867A CN102537867A CN2012100030120A CN201210003012A CN102537867A CN 102537867 A CN102537867 A CN 102537867A CN 2012100030120 A CN2012100030120 A CN 2012100030120A CN 201210003012 A CN201210003012 A CN 201210003012A CN 102537867 A CN102537867 A CN 102537867A
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Abstract
The invention discloses a multi-step injection molding light guide plate, which aims at providing a light guide plate with a good integral light guide effect. The multi-step injection molding light guide plate comprises a light guide layer and a light transmission layer, wherein the light transmission layer is arranged on the outer surface of the light guide layer and is formed with the light guide layer through injection molding, and a light guide point is arranged on the light guide layer. The invention also discloses a method for manufacturing the multi-step injection molding light guide plate and an illumination lamp with the multi-step injection molding light guide plate. The multi-step injection molding light guide plate can be used for various kinds of process illumination, artistic illumination, advertisement illumination, decoration illumination, artworks and the like.
Description
Technical field
The present invention relates to LGP, especially relate to a kind of LGP that is applicable to aspects such as all kinds of illuminations, advertising lighting, artistic lighting, the art work and decorative lighting, ornament materials, show window, cabinet, television set are backlight, show stand illumination and preparation method thereof and have the lighting of this LGP.
Background technology
Make the field at LCDs; Leaded light point or leaded light groove that the light transmission that LGP is used for that light sources such as fluorescent lamp, CCFL, LED are sent designs by optical principle; Under reflector plate (reflecting plate) and diffuser plate effect, change line source or spot light into area source.For making the LGP can uniformly light-emitting, must be through various densitys, leaded light point not of uniform size, basic identical to guarantee light toward the efficient of all directions reflection.In the light reflected back LGP that the effect of reflector plate (reflecting plate) is bottom surface of light guide plate is revealed out, be used for improving the service efficiency of light, improve brightness.The effect of diffuser plate is to make light more evenly softer.
Being of wide application of LGP except that tv backlight, also can be applicable to fields such as illumination, decoration, advertisement, sign board.Existing LGP all is that individual layer and full version are layouted; All need cooperations such as diffuser plate, reflecting plate; But, because all making separately of LGP and diffuser plate in the prior art, simple superposition more in use; And the simple superposition of LGP and diffuser plate makes long-time the use be easy to produce the globule and fog, thereby influences whole light guide effect.
Summary of the invention
The present invention all makes separately in order to solve prior art LGP and diffuser plate; Simple superposition more in use; And the simple superposition of LGP and diffuser plate makes long-time the use be easy to produce the globule and fog; Thereby influence the technical problem of whole light guide effect, a kind of repeatedly injection moulding LGP and preparation method thereof, lighting are provided.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is a kind of repeatedly injection moulding LGP of design; Said repeatedly injection moulding LGP comprises optical waveguide layer and is arranged on the outer surface of said optical waveguide layer and the photic zone that forms with said optical waveguide layer injection mo(u)lding that said optical waveguide layer is provided with the leaded light point.
Said optical waveguide layer by be arranged in order and successively at least two sub-optical waveguide layers that form of injection mo(u)lding constitute.
Be provided with sub-leaded light point on said each sub-optical waveguide layer, said leaded light point is made up of said sub-leaded light point.
Said photic zone is a diffusion layer.
Said leaded light point constitutes luminous pattern.
Said optical waveguide layer is spliced by the plurality of sub light element.
The present invention also provides a kind of method of making above-mentioned repeatedly injection moulding LGP, comprising: at first make optical waveguide layer, and on optical waveguide layer, make the leaded light point, and then injection mo(u)lding forms diffusion layer on optical waveguide layer.
Said making optical waveguide layer; And making leaded light point step comprises making one sub-optical waveguide layer earlier on optical waveguide layer; And on said sub-optical waveguide layer, make sub-leaded light point, again on sub-optical waveguide layer successively injection mo(u)lding form the plurality of sub optical waveguide layer, and on the sub-optical waveguide layer that injection moulding forms, make sub-leaded light point successively.
The present invention also provides a kind of lighting, comprises light source, and said lighting also has above-mentioned repeatedly injection moulding LGP.
Said light source is arranged on the side of said repeatedly injection moulding LGP.
The present invention is through forming optical waveguide layer and photic zone through injection mo(u)lding, thereby can not produce the globule and fog by between, can not influence the light guide effect of LGP.When photic zone is diffusion layer; Optical waveguide layer and diffusion layer form through injection mo(u)lding, and to replace traditional LGP and diffuser plate, not only the function with conventional diffusion plate and LGP is integrated in one; And because airtight fully between optical waveguide layer and the diffusion layer; Can between optical waveguide layer and diffusion layer, not produce the globule and fog, solve prior art and be easy to produce the globule and fog, thereby influenced the technical problem of whole light guide effect because of feasible long-time use of the simple superposition of LGP and diffuser plate.It is wider to compare prior art LGP range of application, as being widely used in aspects such as fine arts illumination, advertising lighting, artistic lighting, handicraft and decorative lighting.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the structural representation of lighting of the present invention;
Fig. 2 is the structural representation of more than one injection moulding LGP of the embodiment of the invention;
Fig. 3 is the front leaded light point distribution schematic diagram of optical waveguide layer among Fig. 2;
Fig. 4 is the reverse side leaded light point distribution schematic diagram of optical waveguide layer among Fig. 2;
Fig. 5 is the structural representation of more than two injection moulding LGP of the embodiment of the invention;
Fig. 6 is the structural representation of more than three injection moulding LGP of the embodiment of the invention;
Fig. 7 is the structural representation of more than four injection moulding LGP of the embodiment of the invention;
Fig. 8 is the structural representation of more than five injection moulding LGP of the embodiment of the invention.
The specific embodiment
See also Fig. 1, lighting of the present invention comprises light source 1 and injection moulding LGP 2 repeatedly, wherein:
Light source 1 can be various light sources such as LED, and it can place the repeatedly side of injection moulding LGP 2, also can be arranged on the repeatedly bottom surface of injection moulding LGP.In this specific embodiment, light source 1 places the repeatedly side of injection moulding LGP 2.Light source can be that circle is advanced light, monolaterally advanced light and more than advancing light on one side.
Repeatedly injection moulding LGP 2 comprises optical waveguide layer 21 and the diffusion layer 22 that forms with said optical waveguide layer injection mo(u)lding.Said optical waveguide layer 21 is provided with leaded light point 211.Leaded light point 211 can only be arranged on the optical waveguide layer one side, also can all be provided with the two-sided of optical waveguide layer.In this specific embodiment, the relative two sides of optical waveguide layer is provided with the leaded light point.Leaded light point constitutes various luminous patterns.The effect of optical waveguide layer 21 is identical with existing LGP, is mainly used in when making light be mapped to each leaded light point, and reverberation can destroy conditioned reflex light is penetrated by LGP is positive toward all angles diffusion then.Through various densitys, leaded light point not of uniform size, can make the optical waveguide layer uniformly light-emitting.Diffusion layer 22 is arranged on the outer surface of said optical waveguide layer 21, and its effect is identical with the effect of existing diffuser plate, is mainly used in the light that penetrates from optical waveguide layer 21 is dispersed, and makes emergent light more even.Can be only diffusion layer be set, also can diffusion layer all be set on the obverse and reverse two sides of optical waveguide layer at the front or the reverse side of optical waveguide layer.
Because repeatedly the injection moulding LGP is through optical waveguide layer and diffusion layer are formed through injection mo(u)lding; To replace traditional LGP and diffuser plate; Not only the function with conventional diffusion plate and LGP is integrated in one; And because airtight fully between optical waveguide layer and the diffusion layer; Can between optical waveguide layer and diffusion layer, not produce the globule and fog, solve prior art and be easy to produce the globule and fog, thereby influenced the technical problem of whole light guide effect because of feasible long-time use of the simple superposition of LGP and diffuser plate.It is wider to compare prior art LGP range of application, as being widely used in aspects such as fine arts illumination, advertising lighting, technology illumination, the art work, decorative lighting.Repeatedly the structure of injection moulding LGP can be designed to various ways, only needs optical waveguide layer and diffusion layer to form through injection mo(u)lding and gets final product.
The optical waveguide layer material can be transparent optical materials such as PMMA, PC, PS and glass, also can be the nanometer optical material.Optical waveguide layer can be arranged to sandwich construction; Each layer can be made different leaded light points; The leaded light point can be that single face is made, and also can be two-sided making, also can on each layer optical waveguide layer, design various different densities, the various stereo luminous patterns of difform leaded light point formation as required; The number of plies is many more; Stereo perception is obvious more, and the part optical waveguide layer can be with various images such as leaded light point and spraying on optical waveguide layer, scribble, printing, drawing, image can be the plane, any form such as solid.The leaded light point can adopt modes such as printing, engraving, burn into V cut, model to make.The leaded light point can be arranged to difformity, different size or different densities and distribute.
Optical waveguide layer can the surface can be transparent; Also can be forms such as frosted; Various spread powders, fire proofing material and shades of colour material etc. be can also add, when optical waveguide layer is sandwich construction, can metal material and liquid etc. be increased at certain layer; Shooting Technique can be extrude, cast, mould goes out and technology such as encapsulating is made, treatment process such as various different sandblasts, frosted also can be done in each layer optical waveguide layer surface.
Diffusion layer can be made up of (diffusion layer can add materials such as color, fire-proof additive) multilayer, and diffusion layer also can be translucent and transparent.The surface of diffusion layer can be frosted shape, various rhombus, also can be that the plane is smooth.Can spray above the diffusion layer, scribble, print, various images such as drawing, image can be the plane, solid etc. is any type of.Because diffusion layer adopts material transparent can directly see the pattern of the inside, and is not only attractive in appearance but also improved light efficiency, therefore, the preferred diffusion layer adopts transparent material to make.
Said diffusion layer also can adopt the protective layer of printing opacity to substitute, and protective layer can adopt epoxy resin etc. to process, and mainly works to protect optical waveguide layer.Because protective layer and optical waveguide layer adopt injection mo(u)lding to form, can not produce water smoke between the two equally, light guide effect is compared simple superposition and will be got well.It is the diffusion layer or the protective layer of printing opacity that the present invention does not define what be injection-moulded in the optical waveguide layer outer surface, so long as photic zone that can printing opacity gets final product.
Embodiment one
See also Fig. 2 to Fig. 4.In this specific embodiment, repeatedly injection moulding LGP 3 comprises optical waveguide layer 31 and the diffusion layer 32 that forms with said optical waveguide layer injection mo(u)lding.The front of optical waveguide layer 31 is provided with leaded light point 311, and reverse side is provided with leaded light point 312, and leaded light point 311 cooperates the formation luminous pattern with leaded light point 312.Diffusion layer 32 is arranged on the front of optical waveguide layer 31.
Certainly, also can leaded light point formation luminous pattern be set a one side at optical waveguide layer.But preferably adopt two-sided setting, to strengthen the three-dimensional of the luminous pattern that constitutes by the leaded light point.
Embodiment two
See also Fig. 5.In this specific embodiment, repeatedly injection moulding LGP 4 comprises optical waveguide layer 41 and the diffusion layer 42 that forms with said optical waveguide layer injection mo(u)lding.Optical waveguide layer 41 is spliced with sub-light element 412 by sub-light element 411.The front of sub-light element 411 is provided with leaded light point 4111; The reverse side of sub-light element 412 is provided with leaded light point 4112; Leaded light point 4111 and the leaded light point 4112 common leaded light points that constitute optical waveguide layer 41, and leaded light point 4111 constitutes luminous pattern with leaded light point 4112 couplings.Diffusion layer 42 is arranged on the front of optical waveguide layer 41.In addition, said diffusion layer also can adopt the protective layer of printing opacity to substitute, and protective layer can adopt epoxy resin etc. to process, and mainly works to protect optical waveguide layer.Because protective layer and optical waveguide layer adopt injection mo(u)lding to form, can not produce water smoke between the two equally, light guide effect is compared simple superposition and will be got well.It is the diffusion layer or the protective layer of printing opacity that the present invention does not define what be injection-moulded in the optical waveguide layer outer surface, so long as photic zone that can printing opacity gets final product.
Embodiment three
See also Fig. 6.In this specific embodiment, repeatedly injection moulding LGP 5 comprises optical waveguide layer 51 and the diffusion layer 52 that forms with said optical waveguide layer injection mo(u)lding.Optical waveguide layer 51 is spliced with sub-light element 512 by sub-light element 511.The front of sub-light element 511 is provided with leaded light point 5111; The reverse side of sub-light element 512 is provided with leaded light point 5112; Leaded light point 5111 and the leaded light point 5112 common leaded light points that constitute optical waveguide layer 51, and leaded light point 5111 constitutes luminous pattern with leaded light point 5112 couplings.Diffusion layer 52 is arranged on the obverse and reverse of optical waveguide layer 51, promptly is provided with diffusion layer on the obverse and reverse two sides of optical waveguide layer 51.Equally, said diffusion layer also can adopt the protective layer of printing opacity to substitute, and protective layer can adopt epoxy resin etc. to process, and mainly works to protect optical waveguide layer.Because protective layer and optical waveguide layer adopt injection mo(u)lding to form, can not produce water smoke between the two equally, light guide effect is compared simple superposition and will be got well.It is the diffusion layer or the protective layer of printing opacity that the present invention does not define what be injection-moulded in the optical waveguide layer outer surface, so long as photic zone that can printing opacity gets final product.
Embodiment four
See also Fig. 7.In this specific embodiment, repeatedly injection moulding LGP 6 comprises optical waveguide layer 61 and the diffusion layer 62 that forms with said optical waveguide layer injection mo(u)lding.
Certainly, the present invention repeatedly injection moulding LGP can also do various deformation, each characteristic of above embodiment is carried out comprehensively perhaps getting Partial Feature carry out comprehensively.As, in embodiment four, make sub-optical waveguide layer by the plurality of sub light element be spliced after more successively injection mo(u)lding form after again injection moulding form diffusion layer.
Owing on each sub-optical waveguide layer, make sub-leaded light point (some optical waveguide layer can be made the leaded light point); Can utilize each sub-optical waveguide layer range difference apart from the space pattern that constitutes 3D; Produce the leaded light dot pattern of different shading values by gap; Owing to optical waveguide layer produces range difference apart from making the light that back leaded light point sends different brightness that illuminates at light be illustrated in the LGP surface, this kind bright dipping is luminous through the optical material refraction, this luminous be a kind of area source fully; So the light ratio that derives is more beautiful, soft, light and shade forms obvious, three-dimensional pattern clearly.The leaded light point can be an Any shape, like round, yi word pattern, shape such as cross and star-like.The leaded light point that these difformities, different size or different densities distribute constitutes various picture and text.Picture and text can be any of Chinese character, letter or pattern, also can be the combination in any of Chinese character, pattern, letter.
The present invention repeatedly injection moulding LGP singly is not a tabular, can also be arranged to multiple three-dimensional shape according to actual needs, as is arranged to shown in Figure 8 cylindrically, can be arranged to polygon cylinder and irregular shape etc. yet.The leaded light point that difformity, different size or different densities distribute is arranged at the surface of various three-dimensional assemblies.
The present invention repeatedly preparation method of injection moulding LGP is: at first make optical waveguide layer, and on optical waveguide layer, make the leaded light point, and then injection mo(u)lding forms diffusion layer on optical waveguide layer.
When optical waveguide layer is made up of the plurality of sub optical waveguide layer; At first make a sub-optical waveguide layer; And on said sub-optical waveguide layer, make sub-leaded light point; Again on sub-optical waveguide layer successively injection mo(u)lding form the plurality of sub optical waveguide layer, and on the sub-optical waveguide layer that injection moulding forms, make sub-leaded light point successively, thereby accomplish the making of optical waveguide layer.At last, again on optical waveguide layer injection mo(u)lding form diffusion layer or protective layer.
Be the repeatedly preparation method of injection moulding LGP of example explanation the present invention with embodiment 4 below, please consult Fig. 7 in the lump.Its step is following:
Step 1: design the pattern that needs making earlier, carry out the design of leaded light point according to the requirement of this pattern, and design the sub-leaded light dot pattern of each sub-optical waveguide layer.
Step 2: according to design back leaded light point again the obverse and reverse of the sub-optical waveguide layer 611 after preparing make sub-leaded light point 6111 and sub-leaded light point 6112.Sub-leaded light point can be that methods such as printing, engraving, corrosion and model are made.
Step 3: the sub-optical waveguide layer 612 of injection moulding on sub-optical waveguide layer 611.
Step 4: make sub-leaded light point 6121 on sub-optical waveguide layer 612 surfaces.
Step 5: wait for sub-leaded light point 6121 make finish after the sub-optical waveguide layer 613 of injection moulding on sub-optical waveguide layer 612 again.
Step 6: make sub-leaded light point 6131 on sub-optical waveguide layer 613 surfaces.
Step 7:, sub-leaded light point 6131, makes sub-leaded light point 6141 on sub-optical waveguide layer 614 surfaces more afterwards after completing again at the sub-optical waveguide layer 614 of sub-optical waveguide layer 613 surperficial injection mouldings,
Step 8: sub-leaded light point 6141 is made finish back injection moulding diffusion layer 2 or protective layer on sub-optical waveguide layer 614, thereby accomplishes the making of whole repeatedly injection moulding LGP.
The present invention makes the mode of LGP through multi-layer injection molding; Process the various all kinds of LGPs and the leaded light art work, backlight, decorative lighting; Commerce and advertising lighting thereof; LGP comprises makes various all kinds of patterns, then can on the LGP of different shape (comprising three-dimensional shape) and different size, form different pattern and/or literal, can design through the shape of various different densities, leaded light point, different light-emitting zone requirements etc.When various Different Light of input (light source of multiple color such as RGB) time, under the different effect of positive and negative range difference, the LGP surface can the various luminous patterns of generation at the light of injecting and leaded light point.Certainly, leaded light point also can not constitute luminous pattern.Repeatedly the injection moulding LGP singly is not flat; Can also be arranged to difform three-dimensional assembly as required; Like cylinder, polygon cylinder or the like, can be that single face is luminous, double-side, also can be multifaceted light-emitting, can be monolaterally to advance light, bilaterally advance light, polygonly advance light and circle is advanced light; It can be printing, engraving, corrosion and model that leaded light point is made, and also can add various coloring materials, self-luminescent material during printing.Leaded light point is made part also can hollow out or repeat on printing leaded light point, and in the time of the input Different Light, whole light-emitting zone forms the luminous of different light and shades, thereby generation has various solid and plane pattern.
Compared with prior art, the present invention has the following advantages:
(1) existing LGP range of application is narrow; Relatively be easy to generate the globule in the middle of LGP and the diffuser plate and fog influences result of use, also limit much at design aspect, material use aspect must be combined with diffusion material; And LGP has only the plane, and is unconverted.The present invention can be injection-moulded in diffusing material layer and leaded light flaggy fully and can not fit like a glove by LGP and diffuser plate and produce the globule and fog and long-term use and can make the diffuser plate tenesmus and the influence of distortion.And the present invention can also because optical waveguide layer and diffusion layer are to be directly injection-moulded in together, reduce the thickness attenuation saving cost and the weight of diffuser plate the material energy consumption, improve light efficiency, reduce cost.
(2) the present invention's application is more extensive, can be made into various difformities (plane, solid etc.), has value of art appreciation, not only can be used for illumination, also can be used for ornament, handicraft etc.Its light is evenly soft, profile is vividly attractive in appearance, shape is ever-changing, third dimension is stronger, make that leaded light illuminating product line plays a greater role, more energy-conserving and environment-protective.Product is widely used in various commercial illumination, artistic lighting, decorative lighting, ornament materials, handicraft, the art work, house ornamentation illumination, furniture illumination, ornament materials, advertising lighting, all kinds of (comprise television set backlight etc.) backlight, show window, cabinet, show stand, goes out fields such as guideboard, guide plate.
Claims (10)
1. injection moulding LGP repeatedly, it is characterized in that: said repeatedly injection moulding LGP comprises optical waveguide layer and is arranged on the outer surface of said optical waveguide layer and the photic zone that forms with said optical waveguide layer injection mo(u)lding that said optical waveguide layer is provided with the leaded light point.
2. repeatedly injection moulding LGP according to claim 1 is characterized in that: said optical waveguide layer by be arranged in order and successively at least two sub-optical waveguide layers that form of injection mo(u)lding constitute.
3. repeatedly injection moulding LGP according to claim 2 is characterized in that: be provided with sub-leaded light point on said each sub-optical waveguide layer, said leaded light point is made up of said sub-leaded light point.
4. repeatedly injection moulding LGP according to claim 1 is characterized in that: said photic zone is a diffusion layer.
5. repeatedly injection moulding LGP according to claim 1 is characterized in that: said leaded light point constitutes luminous pattern.
6. repeatedly injection moulding LGP according to claim 1, it is characterized in that: said optical waveguide layer is spliced by the plurality of sub light element.
7. a method of making the said repeatedly injection moulding of claim 1 LGP is characterized in that comprising: at first make optical waveguide layer, and on optical waveguide layer, make the leaded light point, and then injection mo(u)lding forms diffusion layer on optical waveguide layer.
8. according to the said making of claim 7 method of injection moulding LGP repeatedly; It is characterized in that: said making optical waveguide layer; And making leaded light point step comprises making one sub-optical waveguide layer earlier on optical waveguide layer; And on said sub-optical waveguide layer, make sub-leaded light point, again on sub-optical waveguide layer successively injection mo(u)lding form the plurality of sub optical waveguide layer, and on the sub-optical waveguide layer that injection moulding forms, make sub-leaded light point successively.
9. a lighting comprises light source, it is characterized in that: said lighting also has each described repeatedly injection moulding LGP of claim 1 to 6.
10. lighting according to claim 9 is characterized in that: said light source is arranged on the side of said repeatedly injection moulding LGP.
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| CN2012100030120A CN102537867A (en) | 2012-01-06 | 2012-01-06 | Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp |
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| CN2012100030120A CN102537867A (en) | 2012-01-06 | 2012-01-06 | Multi-step injection molding light guide plate and manufacture method thereof as well as illumination lamp |
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| CN108167690A (en) * | 2018-01-29 | 2018-06-15 | 东莞市联阳电子科技有限公司 | A kind of lamps and lanterns |
| CN109448586A (en) * | 2018-01-18 | 2019-03-08 | 马飞 | A kind of Multi-azimuth luminous mark based on plate |
| CN115236791A (en) * | 2022-07-27 | 2022-10-25 | 广东绿展科技有限公司 | Light guide glass, composite light guide glass, preparation methods of light guide glass and composite light guide glass, and light guide glass device |
| WO2024051257A1 (en) * | 2022-09-08 | 2024-03-14 | Oppo广东移动通信有限公司 | Optical waveguide sheet and manufacturing method therefor, and augmented reality device |
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| CN202501396U (en) * | 2012-01-06 | 2012-10-24 | 深圳安嵘光电产品有限公司 | Multi-step injection molding light guide plate and lighting fixture |
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| CN2630889Y (en) * | 2003-02-09 | 2004-08-04 | 三和企业股份有限公司 | Optical module with light guide diffusion board integrating structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109448586A (en) * | 2018-01-18 | 2019-03-08 | 马飞 | A kind of Multi-azimuth luminous mark based on plate |
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| CN115236791B (en) * | 2022-07-27 | 2024-06-07 | 广东绿展科技有限公司 | Light guide glass, composite light guide glass, preparation method of composite light guide glass and light guide glass device |
| WO2024051257A1 (en) * | 2022-09-08 | 2024-03-14 | Oppo广东移动通信有限公司 | Optical waveguide sheet and manufacturing method therefor, and augmented reality device |
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Application publication date: 20120704 |