CN117437857A - Ultrathin luminous logo and manufacturing method thereof - Google Patents
Ultrathin luminous logo and manufacturing method thereof Download PDFInfo
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- CN117437857A CN117437857A CN202311317101.7A CN202311317101A CN117437857A CN 117437857 A CN117437857 A CN 117437857A CN 202311317101 A CN202311317101 A CN 202311317101A CN 117437857 A CN117437857 A CN 117437857A
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0413—Frames or casing structures therefor
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- G—PHYSICS
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- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
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- 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
- G02B6/0065—Manufacturing aspects; Material aspects
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0418—Constructional details
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses an ultrathin luminous LOGO and a manufacturing method thereof, and relates to the technical field of LOGO display.
Description
Technical Field
The invention relates to the technical field of LOGO display, in particular to an ultrathin luminous LOGO and a manufacturing method thereof.
Background
logo is a foreign language abbreviation of a logo or a trademark, plays a role in identifying and popularizing a company owned by the logo, strictly manages and correctly uses the logo of a company with unified standards in a global market with over-competitive days, and provides a more effective, clearer and more intimate market image. The logo has a concise, clear and obvious visual transmission effect, a consumer can remember a company main body and brand culture through the logo of the image, and along with the social development, the produced logo has higher and higher level, and the luminous logo is gradually favored by the masses.
At present, the light-emitting logo on the market directly emits light on the back of the semitransparent logo by using an LED lamp, and the uniform distribution of light cannot be realized in the mode, so that the light-emitting logo is poor in using effect, the light-emitting logo component part usually comprises a reflecting plate, the reflecting plate is added and overlapped with other accessories, the thickness of the light-emitting logo is increased, and the requirement of social development cannot be met.
Disclosure of Invention
The invention aims to provide an ultrathin luminous LOGO and a manufacturing method thereof, wherein the ultrathin luminous LOGO has the effects that luminous points are formed on the surface of a light guide plate layer 7, light rays are diffusely reflected when passing through the luminous points, so that the requirement of uniform luminescence is met, the luminous uniformity of the LOGO mark part is consistent, the using effect of the luminous LOGO is improved, the reflecting film layer is arranged to replace a reflecting plate, the overall thickness of the luminous LOGO can be reduced, the effect of conforming to the light and thin development trend of society is achieved, and the problems in the background art are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: an ultra-thin luminescent logo comprising:
the transparent face frame is characterized in that a hollowed-out part is formed in the surface of the transparent face frame, a LOGO identification part is inlaid in the hollowed-out part, the LOGO identification part is made of transparent materials, a shading film layer is bonded on the upper surface of the transparent face frame, an electroplated layer is bonded on the bottom of the transparent face frame, a color layer is coated on the bottom of the electroplated layer, and a light guide plate layer is bonded on the bottom of the color layer;
the LED lamp comprises a light emitting component and is characterized in that the light emitting component comprises an LED lamp layer and a power supply line group communicated with the LED lamp layer, a diffusion film layer is arranged on the upper surface of the LED lamp layer, the upper surface of the diffusion film layer is adhered to the bottom of the light guide plate layer, a reflecting film layer is arranged at the bottom of the LED lamp layer, a protective film layer is arranged at the bottom of the reflecting film layer, and a fluorescent powder layer is arranged on the surface of a lamp core of the LED lamp layer.
Optionally, the color layer includes four colors of ink sequentially arranged adjacently along the horizontal direction, which are respectively white ink, red ink, green ink and blue ink.
Optionally, the thickness of the phosphor layer is in a micron order, so as to reduce the difference of the thicknesses of the phosphor layers among different LED lampwicks as much as possible.
Optionally, the invention provides a manufacturing method of the ultrathin luminous logo, which comprises the following steps:
step S1: preparing and processing raw materials, preparing a manufacturing material of a transparent face frame, and then performing shrinkage and double-sided hardening pretreatment;
step S2: LOGO is manufactured, LOGO patterns are designed through computer software, a three-dimensional model mold is engraved on a three-dimensional engraving machine, a density board is adopted as a mold material, then one or any two of transparent PC, PMMA, PET are used for casting a transparent face frame and a LOGO mark part, and the transparent face frame and the LOGO mark part are subjected to reinforcement treatment;
step S3: the method comprises the steps of (1) processing a light guide plate, electroplating the lower surface of a transparent surface frame by using an electroplating target material to form an electroplated layer, wherein the thickness of the electroplated layer is 1 micrometer, the transmittance is 35 ℃, printing ink with at least two colors is sequentially printed on the bottom of the electroplated layer along the horizontal direction to form a color layer, then bonding the light guide plate layer on the bottom of the color layer, and forming a luminous point on the surface of the light guide plate layer by means of UV transfer printing, hot pressing or laser engraving;
step S4: the compound luminous component sequentially bonds the diffusion film layer and the LED lamp layer at the bottom of the light guide plate layer, and prepares a fluorescent powder layer on the LED lamp layer by using powder spraying;
step S5: and the composite reflecting film is used for bonding the reflecting film layer at the bottom of the LED lamp layer, and then bonding the protective film layer at the bottom of the reflecting film layer, so that the ultrathin luminous logo can be obtained.
Optionally, the light guide plate layer in the step S3 is made of an optical-grade plate.
Optionally, the strengthening treatment in step S2 is to spray the transparent frame and the LOGO part with the shadowless glue, and then irradiate with ultraviolet to cure the shadowless glue, so that the hardness of the transparent frame surface can be increased to 2H-5H.
Optionally, the material for casting the transparent frame and the LOGO in step S2 is preferably liquid PMMA.
Optionally, in the step S5, the material of the light shielding film layer includes acrylonitrile-butadiene-styrene and glass fiber, and the shrinkage rate of the light shielding film layer is less than 0.2%.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the light guide plate layer is manufactured by adopting the optical acrylic plate, the light guide points are printed on the bottom surface of the light guide plate layer by using the laser dotting technology, when light rays are emitted to each light guide point, reflected light can be diffused towards each angle, and when a light source generated by the LED lamp layer enters the light guide plate, diffuse reflection occurs at the light emitting point, so that the requirement of uniform light emission is met, the light emitting uniformity of the LOGO identification part can be improved, and the using effect of the light emitting LOGO is improved.
2. According to the invention, the reflection film layer is arranged, so that the optical surface reflectivity can be improved, the brightness of the backlight module is increased, the light source loss is reduced, and the use effect of the ultrathin luminous logo is effectively improved, thereby replacing the condition that the reflecting plate is required to be arranged for the luminous logo with the traditional structure, and reducing the overall thickness of the luminous logo, so that the luminous logo meets the light and thin development trend.
3. According to the invention, the light shielding film layer is adhered on the surface of the transparent face frame, so that the light shielding film layer can shield other parts except the LOGO identification part on the surface of the transparent face frame, the content of the LOGO identification part is highlighted while the luminous uniformity of the LOGO identification part is ensured, and the display effect of the LOGO identification part is improved.
Drawings
FIG. 1 is a flow chart of a method of making the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic view of a transparent frame structure according to the present invention.
In the figure: 1. a transparent face frame; 2. a LOGO identification; 3. a light shielding film layer; 4. an LED lamp layer; 5. a power supply line group; 6. a diffusion film layer; 7. a light guide plate layer; 8. a color layer; 9. a reflective film layer; 10. a protective film layer; 11. a hollowed-out part; 12. plating layers.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1 to 3, an ultrathin light emitting logo is provided in the present embodiment, which includes:
the transparent face frame 1, the surface of the transparent face frame 1 is provided with a hollowed-out part 11, a LOGO identification part 2 is embedded in the hollowed-out part 11, the LOGO identification part 2 is made of transparent materials, the upper surface of the transparent face frame 1 is provided with a shading film layer 3, the bottom of the transparent face frame 1 is bonded with an electroplated layer 12, the electroplating target material selected in the embodiment is chromium, the bottom of the electroplated layer 12 is coated with a color layer 8, and the bottom of the color layer 8 is bonded with a light guide plate layer 7;
the electroplating is a process of adhering a metal film to the surface of a metal or other material workpiece by utilizing the electrolysis effect, and the chromium plating target material is chromium by using a chromium plating layer, so that the chromium plating layer has higher heat resistance, good hardness at normal temperature, good wear resistance and strong light reflectivity, and is widely used for improving the wear resistance, light reflectivity, repair size, decoration and other aspects of the part, thereby improving the corrosion resistance of the ultrathin luminous logo by arranging the electroplated layer 12, and improving the wear resistance, conductivity and light reflectivity of the ultrathin luminous logo.
The LED lamp comprises a light-emitting component, wherein the light-emitting component comprises an LED lamp layer 4 and a power supply line group 5 communicated with the LED lamp layer 4, a diffusion film layer 6 is arranged on the upper surface of the LED lamp layer 4, the upper surface of the diffusion film layer 6 is adhered to the bottom of a light guide plate layer 7, a reflecting film layer 9 is arranged at the bottom of the LED lamp layer 4, a protective film layer 10 is arranged at the bottom of the reflecting film layer 9, a fluorescent powder layer is arranged on the surface of a lamp wick of the LED lamp layer 4, the protective film layer 10 is a PET protective film, the PET protective film is transparent and colorless, the light transmittance is higher than 90%, the visual field is brighter, the visual field of a user is protected, the surface of the PET protective film is more wear-resistant and durable after being processed by a hardening technology, the better protecting effect can be exerted, the bottom of the ultrathin light-emitting logo can be prevented from being rubbed in the transportation process, and the good light-emitting effect of the ultrathin light-emitting logo is ensured when the scratch is processed.
More specifically, in the present embodiment: through setting up reflective coating layer 9, the reflective coating is an optical film that totally reflects incident light energy for optical element, is the important component of backlight unit, generally arranges in the bottom layer of display device backlight unit, can promote optical surface reflectivity, increase backlight unit luminance, reduce light source loss etc. effectively improve ultra-thin luminous logo's result of use, through the reflective coating layer 9 of setting up, replaced the condition that the luminous logo of traditional structure needs to set up the reflecting plate in the past, can reduce luminous logo's overall thickness, make it accord with frivolous development trend.
Through set up diffusion coating 6 on LED lamp layer 4 surface, light is permeated and is taken PET as the diffusion coating of substrate, can pass in the medium with the different refractive index for light takes place a lot of refraction, reflection and scattering phenomenon, can revise light and become even area source in order to reach the effect of optics diffusion, mainly play the effect of revise diffusion angle in the backlight structure, can make the light radiation area increase, luminescent light source can become the area bigger after diffusion of diffusion material, the degree of consistency is better, the steady 2 times light sources of chromaticity has the effect of diffusion light, light can take place the scattering at its surface promptly, spread out light softness evenly, the bandwagon effect of ultra-thin luminous logo is improved.
Further, in the present embodiment: the color layer 8 includes four kinds of ink sequentially adjacent to each other in the horizontal direction, which are respectively white ink, red ink, green ink and blue ink, and the color layer 8 can be provided with three, five, six or other kinds of ink according to the need.
More specifically, in this embodiment, through setting up the printing ink of different colours, the printing ink of different colours is permeating at the light for LOGO identification part 2 can distribute the light of different colours, thereby improves the bandwagon effect, satisfies the use needs.
Further, in the present embodiment: the thickness of the fluorescent powder layer is in the micron order so as to reduce the difference of the thickness of the fluorescent powder layer among different LED lamp cores as much as possible.
Further, the embodiment provides a method for manufacturing an ultrathin luminous logo, which comprises the following steps:
step S1: preparing and processing raw materials, preparing a manufacturing material of the transparent face frame 1, and then performing shrinkage and double-sided hardening pretreatment;
step S2: LOGO is manufactured, LOGO patterns are designed through computer software, a three-dimensional model mold is engraved on a three-dimensional engraving machine, a density board is adopted as a mold material, one or any two of transparent PC, PMMA, PET is used for casting a transparent face frame 1 and a LOGO mark part 2, and the transparent face frame 1 and the LOGO mark part 2 are subjected to reinforcement treatment;
step S3: the method comprises the steps of (1) processing a light guide plate, namely electroplating the lower surface of a transparent surface frame 1 by using an electroplating target material to form an electroplated layer 12, wherein the thickness of the electroplated layer is 1 micrometer, the transmittance is 35 ℃, at least two colors of ink are sequentially printed on the bottom of the electroplated layer 12 along the horizontal direction to form a color layer 8, then bonding a light guide plate layer 7 on the bottom of the color layer 8, and forming a luminous point on the surface of the light guide plate layer 7 in a UV transfer printing, hot pressing or laser engraving mode;
step S4: the diffusion film layer 6 and the LED lamp layer 4 are sequentially bonded at the bottom of the light guide plate layer 7, and a fluorescent powder layer is manufactured on the LED lamp layer 4 by utilizing powder spraying;
step S5: and (3) bonding the reflecting film layer 9 to the bottom of the LED lamp layer 4 by the composite reflecting film, and bonding the protective film layer 10 to the bottom of the reflecting film layer 9 to obtain the ultrathin luminous logo.
More specifically, in this embodiment, the material for making the transparent face frame 1 is subjected to shrinkage and double-sided hardening pretreatment, so that the hardness and wear-resistant quality of the transparent face frame 1 and the LOGO mark 2 after molding are improved, the overall strength of the ultrathin luminous LOGO is improved, the service life is prolonged, and the light passes through the inks with at least two colors printed on the electroplated layer 12, so that the LOGO mark 2 can emit lights with different colors, the display effect is improved, and the use requirement is met.
The fluorescent powder layer is manufactured by utilizing the powder spraying on the LED lamp layer 4, the fluorescent powder layer with the thickness of micron level and uniform powder layer can be obtained by utilizing the powder spraying, so that the fluorescent powder layer can be uniformly distributed on the surface of a lamp core of the LED lamp layer 4 as much as possible, the color temperature can be independently adjusted by utilizing the powder spraying to obtain the fluorescent powder layer so as to perform various displays, the diversity of the ultrathin luminous logo is improved, the LED lamp layer 4 chip is a blue-emitting LED chip, the fluorescent powder contained in the fluorescent powder layer is a yellow-green fluorescent powder, the LED lamp layer 4 chip is a blue-emitting LED chip, and the fluorescent powder contained in the arranged fluorescent powder layer 22 can be a yellow-green fluorescent powder, so that the ultrathin luminous logo can display white light, the effect of illumination is realized, the practicability is improved, and the fluorescent powder contained in the fluorescent powder layer can also be of other colors so as to adapt to specific needs.
The light source generated by the LED lamp layer 4 is diffusely reflected at the light emitting point when entering the light guide plate layer 7 by forming the light emitting point on the surface of the light guide plate in a UV transfer printing, hot pressing or laser engraving mode, so that the requirement of uniform light emission is met, meanwhile, the light emitting brightness of the LED lamp layer 4 is improved, the defect that the cost is too high due to the fact that a plurality of LED lamps are needed to be adopted to increase the light emitting power in the prior art is overcome, the light guide plate layer 7 has the function of a diffusion sheet, and the cost and the whole thickness of a product are reduced.
Notably, when the LOGO is produced in step S2, LOGO images of multiple brands of different industries may be obtained through a network; distributing a layout ID for each LOGO image, storing each LOGO image, the corresponding layout ID and the industry to which each LOGO image belongs in a database, automatically analyzing and extracting layout information of each LOGO image, associating the extracted layout information with the corresponding LOGO image, and storing the extracted layout information into the database as layout parameters; when generating LOGO, the method calls corresponding layout parameters in the database based on information input by a user, and applies a layout defined by the layout parameters to generate LOGO patterns.
After LOGO is generated, the LOGO image can be subjected to gray processing; performing de-noising treatment on the LOGO image subjected to the graying treatment; performing binarization processing on the LOGO image subjected to the de-fringing processing; the edge detection is carried out on the LOGO image subjected to binarization processing, the purpose of the edge detection is to separate an extracted target area from a background area, the variation of the gray level, the color variation and the variation difference of texture features of the LOGO image can be detected by utilizing a Robert edge operator, the separation of text blocks and pictures from the background and the edge detection of different areas are realized, and therefore the fineness of the LOGO pattern is improved, and a finished product is more attractive.
Further, the light guide plate layer 7 in step S3 is made of an optical-grade plate, which is an acrylic or PC plate, preferably an acrylic plate.
More specifically, in this embodiment, the light guide plate layer 7 is made of an optical acrylic plate, and the light guide points are printed on the bottom surface of the optical acrylic plate by using a high-tech material with extremely high reflectivity and non-light absorption, so that the optical acrylic plate absorbs the light emitted from the LED lamp layer 4, when the light is emitted to each light guide point, the reflected light can be diffused towards each angle, and the light guide plate layer 7 can uniformly emit light through the light guide points with various densities and different sizes, so that the light emitting uniformity of the LOGO mark part 2 tends to be consistent, and the display quality of the luminous LOGO is improved.
Further, the strengthening treatment in step S2 is to spray the transparent frame 1 and the LOGO part 2 with the shadowless glue, and then irradiate the transparent frame 1 with ultraviolet rays to cure the shadowless glue, so that the hardness of the transparent frame 1 surface can be increased to 2H-5H, and the shadowless glue curing principle is that the photoinitiator in the UV curing material generates active free radicals or cations after absorbing ultraviolet rays under the irradiation of the ultraviolet rays to initiate the chemical reaction of monomer polymerization and crosslinking, so that the adhesive is converted from a liquid state to a solid state within a few seconds.
More specifically, in this embodiment, by spraying the transparent face frame 1 and the LOGO 2 with the shadowless glue, the shadowless glue is an adhesive which can be cured only by irradiation of ultraviolet light, and can be used as an adhesive, or can be used as a sizing material of paint, coating, ink and the like, the shadowless glue has no VOC volatile matter, has no pollution to ambient air, has a fast curing speed, can complete curing in a few seconds to tens seconds, is beneficial to an automatic production line, improves the efficiency, cures at room temperature, and saves energy, for example, the energy required for producing 1g of photo-curing pressure-sensitive adhesive only needs 1% of the corresponding aqueous adhesive, and 4% of the solvent-type adhesive. The ultraviolet light curing material can be used for materials which are not suitable for high-temperature curing, and the energy consumed by ultraviolet light curing can be saved by 90 percent compared with the heat curing resin, so that the high light transmittance and yellowing resistance of the luminous LOGO are enhanced.
Further, in this embodiment, the material for casting the transparent face frame 1 and the LOGO 2 in step S2 is preferably liquid PMMA.
More specifically, in this embodiment, the material of the pouring transparent face frame 1 and the LOGO part 2 is preferably liquid PMMA, the PMMA material is easy to process and can be processed and manufactured in various modes, not only can be processed into an acrylic product by using a method of molding PMMA plastics such as blow molding, extrusion and the like, but also can be bonded into an acrylic product by using chloroform or acrylic glue through processes such as cutting, drilling, hot bending, polishing and the like by using a machine, thereby reducing the difficulty of manufacturing luminescent LOGO, improving the manufacturing efficiency, and the PMMA material has the characteristics of high transparency, light weight, high mechanical strength and the like, the PMMA light transmittance is as high as 92% or more, and the PMMA is a long-chain high molecular compound, and the long chain of the PMMA is relatively soft, so that the stretching and impact resistance of the PMMA is 8-17 times higher than that of ordinary glass, and the PMMA is resistant to chemical corrosion, water soluble salt, weak base and strong alkali, and good in weather resistance, the strength of the ultrathin luminescent LOGO can be effectively improved, and the use quality is ensured.
Further, in the embodiment, in the step S5, the material of the light shielding film layer 3 includes acrylonitrile-butadiene-styrene and glass fiber, the thickness of the LOGO mark 2 is higher than that of the light shielding film layer 3, and the shrinkage rate of the light shielding film layer 3 is less than 0.2%.
More specifically, in this embodiment, the light shielding film layer 3 is adhered to the surface of the transparent frame 1, and the light shielding film layer 3 can shield other portions of the surface of the transparent frame 1 except the LOGO mark 2, so as to highlight the display effect of the LOGO mark 2.
Embodiment two:
the embodiment provides a manufacturing method of an ultrathin luminous logo, which comprises the following steps:
step S1: preparing and processing raw materials, preparing a manufacturing material of the transparent face frame 1, and then performing shrinkage and double-sided hardening pretreatment;
step S2: LOGO is manufactured, LOGO patterns are designed through computer software, then CNC is adopted to machine one sides of the transparent face frame 1 and the LOGO identification part 2, in order to avoid LOGO pattern deformation, the LOGO identification part 2 can be machined twice, and the transparent face frame 1 and the LOGO identification part 2 are subjected to strengthening treatment;
step S3: the method comprises the steps of (1) processing a light guide plate, namely electroplating the lower surface of a transparent surface frame 1 by using an electroplating target material to form an electroplated layer 12, wherein the thickness of the electroplated layer is 1 micrometer, the transmittance is 35 ℃, at least two colors of ink are sequentially printed on the bottom of the electroplated layer 12 along the horizontal direction to form a color layer 8, then bonding a light guide plate layer 7 on the bottom of the color layer 8, and forming a luminous point on the surface of the light guide plate layer 7 in a UV transfer printing, hot pressing or laser engraving mode;
step S4: the diffusion film layer 6 and the LED lamp layer 4 are sequentially bonded at the bottom of the light guide plate layer 7, and a fluorescent powder layer is manufactured on the LED lamp layer 4 by utilizing powder spraying;
step S5: and (3) bonding the reflecting film layer 9 to the bottom of the LED lamp layer 4 by the composite reflecting film, and bonding the protective film layer 10 to the bottom of the reflecting film layer 9 to obtain the ultrathin luminous logo.
In the manufacturing method of the ultrathin luminous LOGO, the transparent face frame 1 and the high-brightness transparent PC sheet with the thickness of 1.5mm are selected, then CNC is adopted to machine one face of the transparent face frame 1 and one face of the LOGO identification part 2, in order to avoid LOGO pattern deformation, the LOGO identification part 2 can be machined twice, a selected cutter during machining is a rotary cutter with a round-head cutter point, the first time is rough machining, a cutter with the cutter head diameter of 2mm is selected, the rough machining enables partial PC sheet materials to be rapidly cut and removed, the second time is finish machining, the cutter with the cutter head diameter of 0.5mm is selected, and the required LOGO pattern is cut.
The high-brightness and transparent PC sheet material can be made of polycarbonate PC plastic raw material, the polycarbonate PC plastic raw material is a novel thermoplastic plastic raw material, the transparency is very good, the transparency degree is as high as ninety percent, the brightness of the luminous logo can be effectively improved, and the PC plastic raw material has high toughness due to the rigidity of the PC plastic raw material, is not only rigid enough but also has high impact strength and high dimensional stability under the condition that the toughness and the rigidity are simultaneously provided, the polycarbonate plastic raw material has high impact resistance and high finished product strength, and compared with polymethyl methacrylate with similar performance, the polycarbonate plastic raw material has high refractive index, is natural and has good processability, and the PC plastic raw material has UL94V-0 flame retardant property under the self condition that an additive is not required.
The flatness and the brightness of the surface of the PC sheet are guaranteed by adopting the mode of rough machining before finish machining, so that the LOGO mark part 2 is more attractive, and the display effect of the ultrathin luminous LOGO is improved.
Claims (8)
1. Ultra-thin luminous logo, its characterized in that includes:
the transparent face frame (1), fretwork portion (11) has been seted up on the surface of transparent face frame (1), inlay in fretwork portion (11) has LOGO marking portion (2), LOGO marking portion (2) are transparent materials and make, the upper surface of transparent face frame (1) bonds there is shading rete (3), the bottom of transparent face frame (1) bonds there is electroplated layer (12), the bottom coating of electroplated layer (12) has colour layer (8), the bottom of colour layer (8) bonds there is leaded light sheet layer (7);
the LED lamp comprises a light emitting assembly, wherein the light emitting assembly comprises an LED lamp layer (4) and a power supply line group (5) communicated with the LED lamp layer (4), a diffusion film layer (6) is arranged on the upper surface of the LED lamp layer (4), the upper surface of the diffusion film layer (6) is adhered to the bottom of a light guide plate layer (7), a reflecting film layer (9) is arranged at the bottom of the LED lamp layer (4), a protective film layer (10) is arranged at the bottom of the reflecting film layer (9), and a fluorescent powder layer is arranged on the surface of a lamp core of the LED lamp layer (4).
2. The ultra-thin luminescent logo of claim 1, wherein: the color layer (8) comprises four inks with different colors, namely white ink, red ink, green ink and blue ink, which are sequentially arranged adjacently along the horizontal direction.
3. The ultra-thin luminescent logo of claim 1, wherein: the thickness of the fluorescent powder layer is in the micron level so as to reduce the difference of the thickness of the fluorescent powder layers among different LED lamp cores as much as possible.
4. The method for manufacturing the ultrathin luminous logo according to claim 1, which is characterized by comprising the following steps:
step S1: preparing and processing raw materials, preparing manufacturing materials of the transparent surface frame (1), and then performing shrinkage and double-sided hardening pretreatment;
step S2: LOGO is manufactured, LOGO patterns are designed through computer software, a three-dimensional model mold is engraved on a three-dimensional engraving machine, a density board is adopted as a mold material, one or any two of transparent PC, PMMA, PET is used for casting a transparent face frame (1) and a LOGO identification part (2), and the transparent face frame (1) and the LOGO identification part (2) are subjected to strengthening treatment;
step S3: the method comprises the steps of (1) processing a light guide plate, electroplating the lower surface of a transparent surface frame (1) by using an electroplating target material to form an electroplated layer (12), wherein the thickness of the electroplated layer is 1 micrometer, the transmittance is 35 ℃, at least two colors of ink are sequentially printed on the bottom of the electroplated layer (12) along the horizontal direction to form a color layer (8), then a light guide plate layer (7) is bonded on the bottom of the color layer (8), and a luminous point is formed on the surface of the light guide plate layer (7) in a UV transfer printing, hot pressing or laser engraving mode;
step S4: the compound luminous component sequentially bonds the diffusion film layer (6) and the LED lamp layer (4) at the bottom of the light guide plate layer (7), and prepares a fluorescent powder layer on the LED lamp layer (4) by utilizing powder spraying;
step S5: and (3) bonding the reflecting film layer (9) to the bottom of the LED lamp layer (4) by the composite reflecting film, and bonding the protective film layer (10) to the bottom of the reflecting film layer (9) to obtain the ultrathin luminous logo.
5. The method for manufacturing the ultrathin luminous logo, according to claim 4, is characterized in that: the light guide plate layer (7) in the step S3 is made of an optical-grade plate.
6. The method for manufacturing the ultrathin luminous logo, according to claim 4, is characterized in that: the strengthening treatment mode in the step S2 is to spray shadowless glue on the surfaces of the transparent face frame (1) and the LOGO identification part (2), and then irradiate with ultraviolet rays to solidify the shadowless glue, so that the hardness of the surface of the transparent face frame (1) can be improved to 2H-5H.
7. The method for manufacturing the ultrathin luminous logo, according to claim 4, is characterized in that: the materials for casting the transparent face frame (1) and the LOGO mark part (2) in the step S2 are preferably liquid PMMA.
8. The method for manufacturing the ultrathin luminous logo, according to claim 4, is characterized in that: the material of the light shielding film layer (3) in the step S5 comprises acrylonitrile-butadiene-styrene and glass fiber, and the shrinkage rate of the light shielding film layer (3) is less than 0.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311317101.7A CN117437857A (en) | 2023-10-12 | 2023-10-12 | Ultrathin luminous logo and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311317101.7A CN117437857A (en) | 2023-10-12 | 2023-10-12 | Ultrathin luminous logo and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN117437857A true CN117437857A (en) | 2024-01-23 |
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| CN202311317101.7A Pending CN117437857A (en) | 2023-10-12 | 2023-10-12 | Ultrathin luminous logo and manufacturing method thereof |
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| CN (1) | CN117437857A (en) |
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