CN110460701A - Cover board and preparation method thereof and mobile communication equipment - Google Patents
Cover board and preparation method thereof and mobile communication equipment Download PDFInfo
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- CN110460701A CN110460701A CN201910703650.5A CN201910703650A CN110460701A CN 110460701 A CN110460701 A CN 110460701A CN 201910703650 A CN201910703650 A CN 201910703650A CN 110460701 A CN110460701 A CN 110460701A
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- substrate
- groove
- ink layer
- cover board
- luminous
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of cover board and preparation method thereof and mobile communication equipments.The cover board includes substrate, and the substrate has the groove for identification pattern to be arranged, and the luminous ink layer and transparent ink layer of stacking, bottom wall of the luminous ink layer close to the groove are provided in the groove.Cover board of the invention has being capable of the identification pattern that shows of noctilucence, it can be positioned easily in dim environment, avoid there is a situation where mobile communication equipment lose, and the relief visual effect that suspends can be presented in identification pattern, it is bigger with the differentiation of similar product, the product identification degree of brand quotient is improved, can satisfy consumer to personalized, diversified pursuit.
Description
Technical field
The present invention relates to mobile communication technology fields, set more particularly to a kind of cover board and preparation method thereof and mobile communication
It is standby.
Background technique
Hand-held communication, amusement equipment are one of the essential items of the modern common people.In dim environment, when equipment leaves use
Person and when screen is not opened, equipment is difficult to be found, and influences usage experience, or even there is a situation where lose, lose.Existing solution
Certainly mode is one is in the printing luminous ink of equipment lid surface, the poor display effect if print thickness is too thin, and prints thick
Degree increases will lead to the whole partially thick or local crowning of cover board again, influence subsequent device assembling, and can grind in use
It damages phenomenon and reduces luminous effect.Another is that electronic light emitting devices such as LED diode are arranged on communication apparatus to carry out
Luminous prompting not only increases the loss of power, influences equipment continuation of the journey, and increase the design difficulty of equipment and the thickness of device.
Summary of the invention
Based on this, it is necessary to it is good and design simple cover board to provide a kind of luminous display effect.
A kind of cover board, including substrate, the substrate have the groove for identification pattern to be arranged, are provided in the groove
The luminous ink layer and transparent ink layer of stacking, bottom wall of the luminous ink layer close to the groove.
The depth of the groove is no more than the 2/3 of the substrate thickness in one of the embodiments,.
In one of the embodiments, the thickness ratio of the luminous ink layer and the transparent ink layer be 1:(0.2~
1)。
It in one of the embodiments, further include the coating layer for covering the substrate, the coating layer covers the groove
Side wall and bottom wall, the transparent ink layer is layered on the coating layer.
It in one of the embodiments, further include the base ink layer for covering the transparent ink layer, the base ink
Layer extends to the edge of the substrate.
A kind of preparation method of cover board, this method comprises:
The groove for identification pattern to be arranged is opened up on substrate, obtains having reeded substrate；
Luminous ink is coated in the groove, obtains the substrate with luminous ink layer after dry；
Transparent ink is coated on the luminous ink layer, obtains the cover board with transparent ink layer after dry.
Before opening up the groove for identification pattern to be arranged on substrate in one of the embodiments, first to the base
Plate is pre-processed；It is described pretreatment include cutting, computer numerical control processing, grinding and polishing, cleaning and hot bending shape in extremely
Few one kind.
It include: in one of the embodiments, in institute the step of opening up the groove for identification pattern to be arranged on substrate
It states and opens up the groove on substrate by way of engraving.
The depth of the groove is no more than the 2/3 of the substrate thickness in one of the embodiments,.
Before coating luminous ink in the groove in one of the embodiments, first by the reeded base of tool
Plate carries out intermediate treatment；The intermediate treatment includes at least one of grinding and polishing, cleaning, intensive treatment and coating film treatment.
The intensive treatment includes at least one of physical strengthening and chemical strengthening in one of the embodiments,.
The coating film treatment includes: reeded to the tool of the substrate to plate on one side in one of the embodiments,
Film obtains the substrate with coating layer.
The coating layer is anti-reflection film in one of the embodiments,.
The step of coating luminous ink in the groove in one of the embodiments, includes: logical in the groove
The mode for crossing silk-screen printing or spraying coats luminous ink.
The luminous ink includes basic ink, Noctilucent material and auxiliary material in one of the embodiments, with 100 weight
Part the basic ink on the basis of, the content of the Noctilucent material is 20~75 parts by weight, the content of the auxiliary material is 20~
45 parts by weight, the auxiliary material include at least one of reflectorized material, light tone material, diluent, anti-settling agent and curing agent.
Before coating transparent ink on the luminous ink layer in one of the embodiments, pass through laser ablation
Mode etches the luminous ink layer smooth.
It include: in one of the embodiments, at the night the step of coating transparent ink on the luminous ink layer
Transparent ink is coated by way of silk-screen printing or spraying in gloss oil layer of ink.
In one of the embodiments, the thickness ratio of the luminous ink layer and the transparent ink layer be 1:(0.2~
1)。
In one of the embodiments, the condition of the drying include: temperature be 80 DEG C~150 DEG C, the time be 15min~
40min。
This method in one of the embodiments, further include: coat base ink on the transparent ink layer, and make institute
The edge that base ink extends to the cover board is stated, is then dried.
A kind of mobile communication equipment, including above-mentioned cover board or cover board prepared by the above method.
Above-mentioned cover board at least has the advantages that
(1) have can the identification pattern that shows of noctilucence, can generate eye-catching visual effect under various circumstances, especially
That can be positioned easily in dim environment, avoid there is a situation where mobile communication equipment lose.
(2) design is simple, needs electrically driven (operated) luminescent device without adding light emitting diode etc., additionally consumption equipment is not electric
Power.
(3) compared to directly in the product of the printing luminous ink in cover board outer surface, cover board of the invention applies luminous ink
It overlays on inside cover board, does not increase cover sheet thickness, cover board outer surface is flat and smooth, and more beautiful, better user experience makes for a long time
With preferable luminous display effect still can be kept.
(4) stack design of luminous ink layer and transparent ink layer, so that identification pattern shows the relief view that suspends
Feel effect, it is bigger with the differentiation of similar product, the product identification degree of brand quotient is improved, can satisfy consumer to individual character
Change, diversified pursuit.
Detailed description of the invention
Fig. 1 is the perspective view of the cover board of an embodiment；
Fig. 2 is the top view of the cover board of another embodiment；
Fig. 3 is the top view of the cover board of another embodiment；
Fig. 4 is the structural schematic diagram of the cover board of another embodiment；
Fig. 5 is the flow chart of the method for preparing cover board of an embodiment；
Fig. 6 is the operation chart of step S5 in Fig. 5.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only." inside and outside " is for the profile of structure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The mobile communication equipment of one embodiment, including cover board 100, referring to figs. 1 to Fig. 4.In one of the embodiments,
The cover board 100 is at least one of front shroud 101 and back shroud 102, with reference to Fig. 2 (front shroud 101) and Fig. 3 (back shroud
102)。
With reference to Fig. 1 and Fig. 4, cover board 100 includes substrate 110.In one embodiment, substrate 110 is glass substrate, such as
3D glass substrate, 2.5D glass substrate etc..Substrate 110 has for being arranged such as brand LOGO, customized graphics identification pattern
Groove 111.The luminous ink layer 112 and transparent ink layer 113 of stacking are provided in groove 111, luminous ink layer 112 is close to recessed
The bottom wall of slot, i.e. luminous ink layer 112 are in groove 111 compared with inside, and transparent ink layer 113 is in groove 111 compared with outside.Noctilucence
Ink layer 112 can be formed as the shape of identification pattern, to make display effect of the identification pattern with noctilucence, in luminous ink
Transparent ink layer 113 is laminated in the outside of layer 112, and identification pattern can be made to show suspension three-dimensional sense through transparent ink layer 113
Visual effect.
In one embodiment, the depth of groove 111 is no more than the 2/3 of 110 thickness of substrate.When the depth of groove 111 exists
When in above range, the integral strength of cover board 100 will not influence.
In one embodiment, the thickness of luminous ink layer 112 and transparent ink layer 113 ratio is 1:(0.2~1).At this moment,
The thickness proportion of luminous ink layer 112 and transparent ink layer 113 is more suitable for that identification pattern can be made with preferable noctilucence
Stronger three-dimensional sense is presented under the premise of display effect.
In one embodiment, cover board 100 further includes the coating layer 114 for covering substrate 110.Coating layer 114 had both covered recessed
The side wall and bottom wall of slot 111 also cover other regions in addition to groove 111.By covering coating layer 114 on substrate 110,
It can be improved the integral product quality of cover board 100.Further, coating layer 114 is anti-reflection film, and anti-reflection film can make substrate 110
Translucency it is stronger, while be more clear identification pattern.
In one embodiment, cover board 100 further includes the base ink layer 115 for covering transparent ink layer 113, base ink
Layer 115 extends to the edge of substrate 110.That is, base ink layer 115 had both covered groove 111, also covering removes groove 111
Other regions in addition, can not only in groove 111 luminous ink layer 112 and transparent ink layer 113 formed protective effect,
Also the overall quality of cover board 100 is further increased.The thickness of base ink layer 115 can be 8~20 μm, preferably 10~15 μ
m.Further, base ink layer 115 can be ink with mirror effect.
The preparation method of the cover board of one embodiment, with reference to Fig. 5, this method comprises:
S1: pre-processing substrate 110, obtains pretreated substrate 110.
In one embodiment, pretreatment includes cutting, computer numerical control processing (CNC), grinding and polishing, cleaning and hot bending
At least one of molding.
Wherein, substrate can be processed as by cutting suitably sized.Computer numerical control processing can add substrate finishing impression
Work is the shape needed, such as can carry out edging aperture, chamfering.Grinding and polishing can make substrate surface flat and smooth.Cleaning can
By the impurity of substrate surface, greasiness removal, further, clean to be cleaned by ultrasonic, the condition of ultrasonic cleaning may include: ultrasound
Power is 800W~1500W, and scavenging period is 3min~10min.When substrate 110 is 3D glass substrate, pass through hot bending shape
It can be the curve form needed by molding substrate, the process conditions of hot bending shape are the normal condition of this field, herein no longer
It repeats.
S2: the groove 111 for identification pattern to be arranged is opened up on substrate 110 after the pre-treatment, obtains having reeded
Substrate 110.
In one embodiment, groove 111 is opened up by way of engraving.According to the identification pattern shape of design, in base
It is carved on plate 110, the identification pattern goed deep into inside substrate 110 can be formed, that is, be recessed inwardly to form groove 111.Further
Ground is carved as CNC finishing impression, and the condition of CNC finishing impression may include: that cutting fluid concentration is 3 weight of weight %~7 % (such as 5 weights
Measure %), air pressure is 0.5MPa~0.75MPa, and vacuum pressure is -0.09MPa~-0.06MPa, speed of mainshaft 32000r/min
~40000r/min, travel speed are 60mm/min~120mm/min.
In one embodiment, the depth of groove 111 is no more than the 2/3 of 110 thickness of substrate.When the depth of groove 111 exists
When in above range, the integral strength of cover board 100 will not influence.
S3: the substrate 110 with groove 111 is subjected to intermediate treatment.Wherein, intermediate treatment include grinding and polishing, cleaning,
At least one of intensive treatment and coating film treatment.Substrate 110 with groove 111 is carried out intermediate treatment to be conducive to further
Improve product quality.
Wherein, engraving trace can be removed by grinding and polishing, makes in groove 111 and other regions of substrate 110 is smooth
It is penetrating.
The spots such as the grounds travel being adsorbed on substrate 110 can be removed by cleaning.It cleans in one of the embodiments,
For ultrasonic cleaning.Further, the condition of ultrasonic cleaning include: ultrasonic power be 800W~1500W, scavenging period be 3min~
10min。
Substrate 110 is subjected to intensive treatment, is conducive to the intensity for improving substrate 110.Further, intensive treatment includes object
At least one of reason reinforcing and chemical strengthening.
Physical strengthening includes: that substrate 110 is placed in annealing furnace at 600 DEG C~680 DEG C in one of the embodiments,
20min~40min is handled, quenching 15s~60s under 10~20 DEG C of cold wind is subsequently placed in.
Chemical strengthening includes: and contacts substrate 110 with hardening agent in one of the embodiments, so that the base after hot bending
Plate surface forms strengthening layer.Further, hardening agent includes potassium nitrate and promotor, and the weight ratio of potassium nitrate and promotor can be with
For 2:(0.1~0.5), promotor such as potassium chloride, potassium hydroxide etc..The dosage of hardening agent is not particularly limited, generally by base
Plate 110 submerges.Further, it in chemical strengthening process, can be further increased by way of DC electric field is added strong
Change effect, shortens the processing time.Further, in the step of substrate 110 and hardening agent being contacted, the condition of contact includes: temperature
Degree is 380 DEG C~450 DEG C, and the time is 20min~240min.
By coating film treatment in 110 surface coating of substrate, the effect further beautified or strengthened can reach.Further,
Coating film treatment includes: to carry out plated film to the one side with groove 111 of substrate 110, obtains the substrate 110 with coating layer 114.
At this moment, the one side with groove 111 of the coating layer 114 covering substrate 110, the i.e. coating layer 114 had both covered groove 111,
Cover other regions on substrate 110 in addition to groove 111.In this way, by carrying out overlay film to substrate 110 is whole, it can be simultaneously
Improve groove 111 and the product quality in other regions.Further, which is anti-reflection film.It is plated using anti-reflection film
Film process can make the translucency of substrate 110 stronger, while be more clear identification pattern.It adopts in one of the embodiments,
Coating film treatment is carried out with the mode of magnetron sputtering plating.
S4: luminous ink is coated in groove 111, obtains the substrate 110 with luminous ink layer 112 after dry.
In one embodiment, luminous ink is coated by way of silk-screen printing or spraying.
Wherein, it is 80 mesh~150 mesh that the condition of silk-screen printing, which may include: halftone mesh number, and net is capable away from being 2mm~3.5mm
Cheng Sudu is 100mm/s~300mm/s.
Wherein, it is 0.25Mpa~0.8Mpa, the bore of nozzle used by spraying that the condition of spraying, which may include: pressure,
It can be 2mm.
The ink with luminous display effect that luminous ink can be commercially available.Night in one of the embodiments,
Light ink includes basic ink, Noctilucent material and auxiliary material, on the basis of the basic ink of 100 parts by weight, the noctilucence material
The content of material is 20~75 parts by weight, and the content of the auxiliary material is 20~45 parts by weight.The luminous ink of above-mentioned formula is in difference
Eye-catching visual effect can be generated under environment.Wherein, basic ink can be transparent ink, and Noctilucent material can be noctilucence
Powder.Further, auxiliary material may include at least one of reflectorized material, light tone material, diluent, anti-settling agent and curing agent；
On the basis of the basic ink of 100 parts by weight, the content of reflectorized material can be 5~10 parts by weight, and the content of diluent can be with
Content for 10~20 parts by weight, anti-settling agent can be 1~5 parts by weight, and the content of curing agent can be 5~8 parts by weight.Into one
Step ground, reflectorized material such as reflective powder etc., light tone material such as bronze, silver powder etc., diluent includes esters diluent, alcohol diluent
At least one of with ketone diluent, specific product such as PEF-103 diluent, anti-settling agent such as modified polyamide wax, curing agent
Such as MK-15, MK-120.
In step S4, dry condition includes: that temperature is 80 DEG C~150 DEG C, and the time is 15min~40min.After drying,
The cover board with identification pattern can be obtained.
S5: luminous ink layer 112 etched by way of laser ablation smooth.
When due to coating luminous ink in groove 111, it may occur however that there is extra luminous ink to be coated in groove 111
Side wall the case where, as shown in fig. 6, alternatively, luminous ink layer 112 after dry may surface irregularity, at this moment, it will shadow
Ring the display effect of identification pattern.Luminous ink layer 112 etched by way of laser ablation smooth, removal is coated in groove
The part of 112 surface irregularity of extra luminous ink and luminous ink layer on 111 side walls, can be to avoid luminous ink layer
Boundary is unknown between 112 and transparent ink layer 113 causes identification pattern visual effect bad, after etching is smooth, luminous ink layer
112 have regular plane, and retain without redundance, so that identification pattern presents relatively sharp, through transparent ink layer
113 visual effect has more three-dimensional sense.In one embodiment, as shown in fig. 6, can be performed etching using laser equipment 200,
Laser equipment 200 issues laser beam 201, will be coated in extra luminous ink and luminous ink layer 112 on 111 side wall of groove
The part of surface irregularity removes, and further, the condition of etching includes: that power is 20W~50W, travel speed 10mm/
S~50mm/s, pulse laser beam pulsewidth are 10ns~300ns, and wavelength is 1054nm~1074nm.
S6: transparent ink is coated on luminous ink layer 112, obtains the cover board with transparent ink layer 113 after dry.
In one embodiment, transparent ink is coated by way of silk-screen printing or spraying.
Wherein, it is 80 mesh~150 mesh that the condition of silk-screen printing, which may include: halftone mesh number, and net is capable away from being 2mm~3.5mm
Cheng Sudu is 100mm/s~300mm/s.
Wherein, it is 0.25Mpa~0.8Mpa that the condition of spraying, which may include: pressure,.
Transparent ink is that this field is conventional, is commercially available.It is dried after coating transparent ink, dry condition
Can with it is described above consistent, that is, temperature is 80 DEG C~150 DEG C, and the time is 15min~40min.
Coating transparent ink and after drying, forms transparent ink layer 113, and under normal circumstances, transparent ink layer 113 can will be recessed
Slot 111 fills up.
S7: base ink is coated on transparent ink layer 113, and base ink is made to extend to the edge of cover board, is then dried
It is dry.
After coating base ink, other regions on transparent ink layer 113 and in addition to groove 111 form base oil
Layer of ink 115.Drying can carry out under normal conditions, for example, carrying out at 80 DEG C~150 DEG C.
Present invention will be further explained by specific examples below, but is not used in the limitation present invention.
Substrate employed in embodiment and comparative example is the high lead glass purchased from southern glass/glass Co., Ltd.
Embodiment 1
Covering plate structure manufactured in the present embodiment as shown in figure 4, effect as shown in Figure 1, use luminous ink formula are as follows: thoroughly
100 parts of bright ink (is purchased from Yin great waves ink Science and Technology Ltd.), and (purchased from pushing up, all camouflage paint science and technology is limited for 20 parts by weight of luminescent powder
Company), 5 parts by weight of reflective powder, 15 parts by weight of diluent, 4 parts by weight of anti-settling agent, 5 parts by weight of curing agent.
Original sheet glass is cut into required the size of the cover plate and is handled by CNC glass carving machine edging, chamfering and aperture,
5 supersonic cleanings (power 800W, time 5min) processing is carried out again, and clean glass substrate twin grinding is thrown
Light processing removes substrate surface because of the remaining trace of CNC carving machine, obtains smooth surface substrate piece (with a thickness of 1mm).
Aforesaid substrate is placed under CNC glass carving machine internal condition and is carved to form the depth that is recessed inwardly and be
0.6mm identification pattern groove (engraving condition: cutting fluid concentration be 5 weight %, air pressure 0.55MPa, vacuum pressure be-
0.07MPa, the speed of mainshaft 32000r/min, travel speed 75mm/min), it is then placed in supersonic wave cleaning machine and carries out clearly
It washes, then the substrate after cleaning is subjected to chemical strengthening, potassium nitrate molten liquid (nitre is placed a substrate under 400 DEG C of hot conditions
Sour potassium and promotor potassium chloride are 1:0.2 mixing by weight) in carry out ion exchange 240min, reinforcing glass lid surface is hard
Degree and impact resistance.By the face substrate B strengthened (one side with identification pattern) one layer of anti-reflection film of sputter.Pass through silk screen again
Printing (condition: 80 mesh of halftone mesh number, net is away from 2.5mm, travel speed 100mm/s) coats a layer thickness on identification pattern groove
For 100 μm of luminous ink, it is dried in 100 DEG C of baking 40min.Then using laser cleaning equipment, (Kunshan wound grinds science and technology
Co., Ltd production) power be 40W, travel speed 30mm/s, pulse laser beam pulsewidth be 100ns, wavelength 1054nm
Under the conditions of extra luminous ink is removed it is clean.Pass through silk-screen printing (condition: halftone mesh number 150 on luminous ink layer again
Mesh, net is away from 2.5mm, travel speed 150mm/s) coating a layer thickness is that 497 μm of transparent ink (has purchased from Yin great waves ink science and technology
Limit company), it is dried in 100 DEG C of baking 40min, then pass through silk-screen printing (condition: halftone mesh number in the whole face of the face substrate B
200 mesh, net is away from 2.5mm, travel speed 150mm/s) printing a layer thickness be 15 μm base ink with mirror effect (be purchased from Yin great waves ink
Science and Technology Ltd.), in 100 DEG C of baking 20min, obtain having noctilucence to show and the lid of the identification pattern of suspension stereoscopic effect
Plate.
Embodiment 2
The preparation process of the cover board of the present embodiment is roughly the same with embodiment 1, and difference is, and 300 μm of luminous ink thickness,
297 μm of transparent ink layer.
Embodiment 3
The preparation process of the cover board of the present embodiment is roughly the same with embodiment 1, and difference is, luminous ink layer with a thickness of
500 μm, transparent ink layer with a thickness of 97 μm.
Comparative example 1
Luminous ink same as Example 1 is directly coated on substrate by way of silk-screen printing and forms mark figure
Case, the condition of silk-screen printing are as follows: 80 mesh of halftone mesh number, net is away from 2.5mm, travel speed 100mm/s, the luminous ink thickness of coating
It is 25 μm, in 100 DEG C of baking 20min, obtains cover board.
Test case
Following test is carried out to cover board prepared by Examples 1 to 3 and comparative example 1:
One, appearance is tested
Cover board prepared by Examples 1 to 3 and comparative example 1 is assembled into mobile communication equipment, the cover board of Examples 1 to 3 exists
When assembling, identification pattern groove towards inside equipment, outwardly, observe after being completed by the luminous ink layer of the cover board of comparative example 1
Product appearance.
As a result: the cover board outer surface of Examples 1 to 3 is flat and smooth, identification pattern can noctilucence show, suspension can be showed
Relief visual effect, wherein the stereo suspending visual effect of embodiment 2 is more excellent compared with embodiment 1, the stereo suspending of embodiment 1
Visual effect is more excellent compared with embodiment 3.The identification pattern of the cover board of comparative example 1 can noctilucence show, but luminous display effect relatively implement
Example 1~3 is poor, and does not have three-dimensional sense.
Two, noctilucence persistence is tested
Cover board sample prepared by Examples 1 to 3 and comparative example 1 places 4h under light, is then placed under dark condition,
Observe the noctilucence duration.
As a result: the noctilucence duration of Examples 1 to 3 can reach 4h or more, and comparative example 1 is only capable of continuing 2h.
By the above test result as it can be seen that cover board of the invention still can keep preferable noctilucence to show after prolonged use
Show effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (21)
1. a kind of cover board, which is characterized in that including substrate, the substrate has the groove for identification pattern to be arranged, described recessed
The luminous ink layer and transparent ink layer of stacking, bottom wall of the luminous ink layer close to the groove are provided in slot.
2. cover board according to claim 1, which is characterized in that the depth of the groove is no more than the 2/ of the substrate thickness
3。
3. cover board according to claim 1, which is characterized in that the thickness of the luminous ink layer and the transparent ink layer
Than for 1:(0.2~1).
4. cover board according to claim 1, which is characterized in that further include the coating layer for covering the substrate, the overlay film
Layer covers the side wall and bottom wall of the groove, and the transparent ink layer is layered on the coating layer.
5. cover board according to claim 1, which is characterized in that further include the base ink for covering the transparent ink layer
Layer, the base ink layer extend to the edge of the substrate.
6. a kind of preparation method of cover board, which is characterized in that this method comprises:
The groove for identification pattern to be arranged is opened up on substrate, obtains having reeded substrate；
Luminous ink is coated in the groove, obtains the substrate with luminous ink layer after dry；
Transparent ink is coated on the luminous ink layer, obtains the cover board with transparent ink layer after dry.
7. according to the method described in claim 6, it is characterized in that, opened up on substrate groove for identification pattern to be arranged it
Before, first the substrate is pre-processed；The pretreatment includes cutting, computer numerical control processing, grinding and polishing, cleaning and heat
At least one of roll forming.
8. according to the method described in claim 6, it is characterized in that, opening up the groove for identification pattern to be arranged on substrate
Step includes: to open up the groove by way of engraving on the substrate.
9. according to the method described in claim 6, it is characterized in that, the depth of the groove is no more than the 2/ of the substrate thickness
3。
10. according to the method described in claim 6, it is characterized in that, in the groove coat luminous ink before, first by institute
It states the reeded substrate of tool and carries out intermediate treatment；The intermediate treatment includes grinding and polishing, cleaning, intensive treatment and coating film treatment
At least one of.
11. according to the method described in claim 10, it is characterized in that, the intensive treatment includes physical strengthening and chemical strengthening
At least one of.
12. according to the method described in claim 10, it is characterized in that, the coating film treatment includes: to have to the substrate
The one side of groove carries out plated film, obtains the substrate with coating layer.
13. according to the method for claim 12, which is characterized in that the coating layer is anti-reflection film.
14. according to the method described in claim 6, it is characterized in that, the step of coating luminous ink in the groove includes:
Luminous ink is coated by way of silk-screen printing or spraying in the groove.
15. according to the method described in claim 6, it is characterized in that, the luminous ink include basic ink, Noctilucent material and
Auxiliary material, on the basis of the basic ink of 100 parts by weight, the content of the Noctilucent material is 20~75 parts by weight, described auxiliary
The content of material is 20~45 parts by weight, and the auxiliary material includes in reflectorized material, light tone material, diluent, anti-settling agent and curing agent
At least one.
16. according to the method described in claim 6, it is characterized in that, on the luminous ink layer coat transparent ink before,
It is by way of laser ablation that luminous ink layer etching is smooth.
17. according to the method described in claim 6, it is characterized in that, coating the step of transparent ink on the luminous ink layer
It suddenly include: to coat transparent ink by way of silk-screen printing or spraying on the luminous ink layer.
18. according to the method described in claim 6, it is characterized in that, the thickness of the luminous ink layer and the transparent ink layer
Degree is than being 1:(0.2~1).
19. according to the method described in claim 6, it is characterized in that, it is 80 DEG C~150 that the condition of the drying, which includes: temperature,
DEG C, the time is 15min~40min.
20. according to the method described in claim 6, it is characterized in that, this method further include: coated on the transparent ink layer
Base ink, and the base ink is made to extend to the edge of the cover board, then dry.
21. a kind of mobile communication equipment, which is characterized in that including cover board described in Claims 1 to 5 any one or by weighing
The cover board that benefit requires method described in 6~20 any one to be prepared.
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Application publication date: 20191115 |