CN106507618B - Exterior panel and its manufacturing method - Google Patents
Exterior panel and its manufacturing method Download PDFInfo
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- CN106507618B CN106507618B CN201610647445.8A CN201610647445A CN106507618B CN 106507618 B CN106507618 B CN 106507618B CN 201610647445 A CN201610647445 A CN 201610647445A CN 106507618 B CN106507618 B CN 106507618B
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- Prior art keywords
- layer
- heat
- decorative
- decorative layer
- exterior panel
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0243—Mechanical details of casings for decorative purposes
Abstract
The present invention provides the exterior panel that can be stably formed the decorative layer for forming lightproof area by printing process and its manufacturing method.The exterior panel (10) of mobile electronic apparatus is formed with heat-cured layer (12) obtained from making Thermocurable adhesive layer heat cure on the inner surface (11a) of the display panel substrate (11) of glass, has decorative layer (13) by thermal transfer operation printing on the heat-cured layer (12).In turn, heat-cured layer (12) and decorative layer (13) are covered by coated with resin layer (14).Since decorative layer (13) is formed on heat-cured layer (12), even so thin printing layer, can also be formed with stable state.
Description
Technical field
The present invention relates to the decorative layer formed by printing ink layer can be made to be fixed on display panel substrate with stable state
Exterior panel and its manufacturing method.
Background technique
Portable in the mobile electronic apparatus such as telephone set or portable information terminal, the shading for being provided with frame-shaped is used
The exterior panel in region and the transmission region surrounded by above-mentioned lightproof area.
In above-mentioned mobile electronic apparatus, above-mentioned exterior panel appears in the front surface of basket, is arranged in basket
The display picture of the colour display device in portion can through above-mentioned transmission region the exterior visual from basket.In addition, in exterior
Overlapping on panel has the touch sensor of the translucency such as electrostatic capacity type.On touch sensor, being provided with has
The detection zone of the electrode layer of translucency and the wiring layer extended from each electrode layer.Detection zone according to above-mentioned transmission region
Opposite mode configures, and wiring layer backs into the back of lightproof area.
The structure of previous exterior panel is shown in patent document 1.
The exterior panel recorded in patent document 1 is formed with opening portion in the film coloured, make above-mentioned film with by
The surface and the back side for the matrix that there is the thermoplastic resin of translucency to be formed for polycarbonate or acrylics etc. are closely sealed, are formed
Having the part of opening portion becomes transmission region, and the part for overlapping with film becomes lightproof area.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-138594 bulletin
Patent document 2: Japanese Unexamined Patent Publication 7-52522 bulletin
Summary of the invention
Problems to be solved by the invention
Exterior panel shown in patent document 1 is due to being overlapped resin film on the matrix formed by translucent resin
And lightproof area is formed, so exterior panel thickens in the part that film is overlapped in lightproof area, it is difficult to pursue exterior face
The slimming of plate.
In addition, in the exterior panel that the resin film by being coloured forms lightproof area, the not no appearance of lightproof area
Design freedom degree, and the color of lightproof area is also restrained.
In the technical field other than the manufacturing method of exterior panel, as the technology for forming coloring layer, there are screen printings
Brush technology, thermal transfer printing technology.But, if it is desired to the decoration of above-mentioned lightproof area is formed by these printing technologies
Layer, then still need that after printed decoration layer, resin film is overlapped on the matrix of translucency on resin film, with patent text
Offer the slimming that the previous example recorded in 1 similarly becomes difficult to achieve exterior panel.
Furthermore, if it is desired to directly print decorative layer on the above-mentioned matrix of translucency, then be difficult to make by printing ink shape
At decorative layer fix, become easy dislocation, the entanglement of color etc. for generating printing.For example, if assuming to use thermal transfer printing
Technology transfer will be made directly to decorative layer on above-mentioned matrix, then as recorded in patent document 2, in thermal transfer printing, becomes
It is transferred on above-mentioned matrix at by the image obtained by color material via thermoplastic adhesive layer, since the adhesive layer is soft and not
The layer of tolerable temperature variation, deforms or peels off so the decorative layer being transferred on matrix becomes easy, it becomes difficult to be formed
Stable decorative layer.
The present invention is to solve the invention of above-mentioned previous project, it is therefore an objective to offer can make decorative layer on display panel substrate with
The fixed exterior panel of stable state.
Moreover, it is an object that be able to use thermal transfer printing technology formed on display panel substrate decorative layer,
The manufacturing method of the exterior panel of the shape of decorative layer or the freedom degree of color can also be expanded.
Means for solving the problems
Exterior panel of the invention is that have the display panel substrate of translucency and be provided with the outer of transmission region and lightproof area
Fill panel, which is characterized in that
In above-mentioned display panel substrate towards the inner surface inside device, from above-mentioned transmission region up to above-mentioned lightproof area is set
It is equipped with the heat-cured layer of translucency, in above-mentioned lightproof area, is formed with decorative layer in the inner surface of above-mentioned heat-cured layer,
The inner surface of above-mentioned heat-cured layer in above-mentioned transmission region and the inner surface of above-mentioned decorative layer are by the quilt of translucency
Cover resin layer covering.
In exterior panel of the invention, above-mentioned decorative layer is preferably printing ink layer.
In addition, above-mentioned coated with resin layer is formed by thermoplastic resin.
Secondly, the manufacturing method of exterior panel of the invention is with the display panel substrate formed by translucent material and to set
It is equipped with the manufacturing method of the exterior panel of transmission region and lightproof area, which is characterized in that with the following process:
(a) it uses in the thermal transfer laminated body for being laminated with transfer peeling layer on substrate, by thermal transfer process, above-mentioned
The process for transferring hectographic printing ink layer in a part on the surface of peeling layer and forming decorative layer；
(b) the outer surface of above-mentioned decorative layer and the region for not forming above-mentioned decorative layer above-mentioned transfer peeling layer it is outer
The process of surface overlapping Thermocurable adhesive layer；
(c) display panel substrate of the outer surface and translucency that make above-mentioned Thermocurable adhesive layer carries out face bonding, by adding
The process for being heat-treated the heat-cured layer for making above-mentioned Thermocurable adhesive layer be solidified to form translucency；With
(d) after the process of above-mentioned (b) or after process (c), by thermal transfer substrate from above-mentioned transfer peeling layer
Removing, using above-mentioned transfer peeling layer as the remaining process of coated with resin layer；
Made as above-mentioned lightproof area with not forming the region of above-mentioned decorative layer in region to be formed with above-mentioned decorative layer
For above-mentioned transmission region.
The manufacturing method of exterior panel of the invention is laminated preferably in the process of above-mentioned (b) using on peeling sheet
There is the 2nd laminated body of above-mentioned Thermocurable adhesive layer, makes the outer surface of above-mentioned Thermocurable adhesive layer and above-mentioned decorative layer
Carry out face bonding with the outer surface of above-mentioned transfer peeling layer, be heat-treated by pre-add, make above-mentioned Thermocurable adhesive layer with it is upper
State the outer surface of decorative layer and the outer surface bonding of above-mentioned transfer peeling layer.
In addition, the manufacturing method of exterior panel of the invention is preferably before the process of above-mentioned (c) by above-mentioned peeling sheet
It is removed from above-mentioned Thermocurable adhesive layer, so that above-mentioned Thermocurable adhesive layer is adhered to above-mentioned display panel substrate by hot pressing
On, above-mentioned Thermocurable adhesive layer heat cure is made by above-mentioned heat treatment later.
Invention effect
Exterior panel of the invention is formed in the heat cure of the hard formed by Thermocurable adhesive layer due to decorative layer
The inner surface of layer will not be removed, furthermore so decorative layer can be made to fix with stable state because of the external force in assembling operation
It can prevent from causing decorative layer to deform or remove because of temperature change.Further, since the inner surface of decorative layer is by coating tree
Rouge layer covering, so decorative layer thus can also be protected.
In turn, in transmission region, also due to display panel substrate inner surface overlapping and being formed with is bonded Thermocurable
Heat-cured layer and coated with resin layer obtained from agent solidification, thus it is medium in assembling operation, the light transmission of display panel substrate can be prevented
Region is injured from inner surface side.
Secondly, the manufacturing method of exterior panel of the invention passes through thermal transfer printing work due to the inner surface in heat-cured layer
Sequence forms decorative layer, so can be stably formed decorative layer and fix it.In addition, by thermal transfer printing process, it can
Decorative layer is formed with high dimensional accuracy, additionally it is possible to further be formed with colorful color.
In turn, by heat making the Thermocurable adhesive layer for being used to form heat-cured layer with pre-add heat treatment
Adhesiveness enhancing, can be in the outer surface of decorative layer and the outer surface of transfer peeling layer and the inner surface adhesion heat of display panel substrate
Curability adhesive layer and be bonded.By using the process, Thermocurable adhesive layer and decorative layer and transfer can be made
Peeling layer and display panel substrate are reliably closely sealed and carry out heat cure.
Detailed description of the invention
Fig. 1 is the exploded perspective for indicating the exterior panel and touch sensor and display panel of embodiments of the present invention
Figure.
Fig. 2 is by exterior panel is cut off shown in Fig. 1 with II-II line cross-sectional view.
Fig. 3 (A), Fig. 3 (B), Fig. 3 (C) are the processes for indicating the manufacturing method of exterior panel of embodiments of the present invention
Explanatory diagram.
Fig. 4 (A), Fig. 4 (B) are the specification figures for indicating the manufacturing method of exterior panel of embodiments of the present invention.
Fig. 5 (A), Fig. 5 (B) are the specification figures for indicating the manufacturing method of exterior panel of embodiments of the present invention.
Specific embodiment
The exterior panel 10 and touch sensor 1 and display panel 2 of embodiments of the present invention are shown in Fig. 1.
Exterior panel 10 constitutes portable telephone (smart phone) or portable with information terminal apparatus or portable uses game machine
A part of the basket of equal mobile electronic apparatus, appears in the front surface of basket.In exterior panel 10 towards inside device
Inside overlying contact formula sensor 1, with OCA (optical clear bonding agent) bonding.In addition, being built-in with display in the inside of basket
Panel 2.
Touch sensor 1 be formed on the resin substrate of the translucency such as PET film multiple translucency electrode layer and
The wiring layer being connect with each electrode layer, by the variation of the self-capacity of the mutual volume change of electrode interlayer or each electrode layer come
Detect the close of finger etc..
Display panel 2 is color liquid crystal display panel or EL (electroluminescent) display panel etc..
As shown in Figures 1 and 2, exterior panel 10 has transmission region 10A and surrounds transmission region 10A's
The lightproof area 10B of frame-shaped.The display picture of display panel 2 is opposite with transmission region 10A.The electrode layer of touch sensor 1
Opposite with transmission region 10A, the wiring layer being formed on touch sensor 1 is opposite with the inside of lightproof area 10B, wiring layer
It is invisible from outside.
Exterior panel 10 has display panel substrate 11.The substrate of the generally translucency of display panel substrate 11, by flat glass
It is formed.In addition, display panel substrate 11 can also be formed by the synthetic resin material of the translucency such as polycarbonate or acrylics.
In this case, the shape etc. with flexure plane can be made in display panel substrate 11.
As shown in Figure 2, the inner surface 11a of display panel substrate 11 is towards inside device, and outer surface 11b is towards device
Outside.The heat-cured layer 12 of translucency is formed on the inner surface 11a of display panel substrate 11.Heat-cured layer 12 is by making heat cure
Property bonding agent heat cure and formed.Thermocurable bonding agent is selected from Polyester, acrylic acid series, epoxy etc., but in order to make
Optical characteristics, that is, total light transmittance is good, preferably Polyester.
For example, Thermocurable bonding agent is using the polyester that the condensation reaction by maleic anhydride and glycol obtains as host agent,
It include isocyanates as heat cure reactant.The Thermocurable bonding agent is heat-treated viscous by 50~70 DEG C or so of pre-add
Property enhancing, the function as bonding agent enhances, and carrying out heat cure by 90~110 DEG C or so of annealings becomes unsaturation
The heat-cured layer 12 of polyester.
Heat-cured layer 12 is formed in the whole face of inner surface 11a of display panel substrate 11.That is, in transmission region 10A and shading
In the two regions region 10B, heat-cured layer 12 is formed on the inner surface 11a of display panel substrate 11.Heat-cured layer 12 has
Inner surface 12a and outer surface 12b, outer surface 12b and the inner surface 11a of display panel substrate 11 are closely sealed.
In lightproof area 10B, decorative layer 13 is formed on the inner surface 12a of heat-cured layer 12.Decorative layer 13 is logical
Cross the thermal transfer process for having used thermal transfer printer and the printing ink layer formed.At this point, printing ink layer is by thermoplastic resin
Rouge is formed.The decorative layer 13 formed by the printing ink layer transferred by thermal transfer process can determine whole with high precision
Shape and size, furthermore it is possible to set freely color, decorative pattern.In embodiment shown in fig. 1 and 2, decorative layer 13
Be formed as the frame shape for surrounding transmission region 10A, the region for being formed with the decorative layer 13 becomes above-mentioned lightproof area 10B.Separately
Outside, decorative layer 13 is also possible to the printing ink layer by formation such as silk-screen printings.
As shown in Figure 2, the inner surface in the two regions transmission region 10A and lightproof area 10B is formed with
Coated with resin layer 14, the inner surface 12a of heat-cured layer 12 and the inner surface of decorative layer 13 are covered by coated with resin layer 14.Coating tree
Rouge layer 14 is thermoplastic resin layer, is formed by acrylic resin.Coated with resin layer 14 is filled by thermal transfer operation printing
When adoring layer 13, it is clipped in thermal transfer substrate and as the transfer peeling layer between the printing ink layer of decorative layer 13.
The exterior panel 10 of stepped construction shown in Fig. 2 is since decorative layer 13 is formed by printing ink layer, so with such as
It is compared like that by the exterior panel that resin film forms decorative layer in the past, decorative layer 13 can be thinned, can aid in exterior face
The slimming of plate 10.
Make Thermocurable adhesive layer (heat-curing resin due to being formed between decorative layer 13 and display panel substrate 11
Layer) hard obtained from heat cure heat-cured layer 12, so the decorative layer 13 formed by thin printing ink layer can be made surely
Determine and firmly fix, even if the hardness of heat-cured layer 12 will not change due to becoming hot environment, so can make
The dimensionally stable of decorative layer 13.Further, since decorative layer 13 is covered by coated with resin layer 14, protected so becoming decorative layer 13
State, become to be not likely to produce the problems such as decorative layer 13 is detached from manufacturing process.
In turn, in transmission region 10A, also due to being formed with heat-cured layer 12 on the inner surface 11a of display panel substrate 11
With coated with resin layer 14, so the inner surface 11a of display panel substrate 11 is protected, external force will not be acted on directly in manufacturing process
In display panel substrate 11, the inner surface 11a injury etc. in display panel substrate 11 can be prevented.
Then, illustrate the manufacturing method of above-mentioned exterior panel 10.
The 1st laminated body 21 is shown in Fig. 3 (A).1st laminated body 21 is in thermal transfer with being formed with transfer peeling layer on substrate 22
14r.Thermal transfer substrate 22 is the resin film formed by heat-resistant resins such as PET (polyethylene terephthalate).Turn
Become coated with resin layer 14 shown in Fig. 2 after print peeling layer 14r, is thermoplastic resin layer, is formed by acrylic resin.
In the thermal transfer process for having used thermal transfer printer, the transfer decorative layer on the surface of transfer peeling layer 14r
13.In thermal transfer process, the 1st laminated body 21 is arranged on the platen of thermal transfer printer, thermal transfer ribbon (ribbon) with
The outer surface 14b contact for transferring peeling layer 14r is heated the printing ink layer on the surface of thermal transfer ribbon by heat-transferring head and is melted
Melt and is transferred on above-mentioned outer surface 14b.
By using thermal transfer printer, the shape and size of decorative layer 13 can be set with high precision.Furthermore it is possible to make
The selection of the color, decorative pattern of decorative layer 13 has freedom degree.It, can also be by the printing ink layer of different color as decorative layer 13
It is overlapped and is formed, for example, the upper layer ink layer of black or chromatic colour is formed on the base ink layers such as white, in upper layer ink layer
On be formed into the defect portion of the text of performance mark (logo) or the shape of mark, can make substrate oily in the part of mark
Layer of ink is exposed.
The thickness for transferring peeling layer 14r is 5~15 μm or so, and the thickness of decorative layer 13 is 5~15 μm or so,
It is preferred that transfer peeling layer 14r and the thickness of decorative layer 13 are 10 μm.
The 2nd laminated body 25 is shown in Fig. 3 (A).2nd laminated body 25 is that Thermocurable bonding is laminated on peeling sheet 26
The laminated body of oxidant layer 12h.Thermocurable adhesive layer 12h reacts as described above using polyester as host agent as heat cure
Agent includes isocyanates, becomes heat-cured layer 12 shown in Fig. 2 after heat cure.The thickness of Thermocurable adhesive layer 12h
Having a size of 10~40 μm or so, for example, 25 μm.
In the preheating process shown in Fig. 3 (B), makes to transfer peeling layer 14r and decorative layer 13 is Nian Jie with Thermocurable
Oxidant layer 12h is opposite, and the 1st laminated body 21 is overlapped with the 2nd laminated body 25, with heating, pressure roller 31,32 by 2 laminated bodies 21,25
Clamping, is heated and is pressurizeed.Pre-heating temperature at this time is 50~70 DEG C or so, preferably 60 DEG C, at such a temperature, will not
The heat cure of Thermocurable adhesive layer 12h is carried out, the viscosity (adhesiveness) of Thermocurable adhesive layer 12h is enhanced.Pass through
Pressurization between the enhancing and roller of viscosity, Thermocurable adhesive layer 12h are adhered in transfer peeling layer 14r and decorative layer 13, and the 1st
Laminated body 21 and the glued engagement of the 2nd laminated body 25 form the 3rd laminated body 28 shown in Fig. 3 (C).
3rd laminated body 28 shown in Fig. 3 (C) is taken care of in this state, carries, or moved in Work places,
It is fed into the bonding process with display panel substrate 11.
In the bonding process of display panel substrate 11 and the 3rd laminated body 28, as shown in Fig. 4 (A), peeling sheet 26
It is stripped, as shown in Fig. 4 (B), Thermocurable adhesive layer 12h is Chong Die with the inner surface 11a of display panel substrate 11.This
In, carrying out drop stamping processing is hot-pressing processing, and the laminated body and display panel substrate 11 for eliminating peeling sheet 26 are heated and pressurized.
At this point, Thermocurable adhesive layer 12h is heated to 50~70 DEG C identical with above-mentioned pre-heating temperature or so, Thermocurable
The viscosity enhancing of adhesive layer 12h, Thermocurable adhesive layer 12h are engaged with display panel substrate 11 by the way that bonding force is be bonded.
Later, by using the heat treatment of heating furnace 33 shown in Fig. 5 (B), Thermocurable adhesive layer 12h quilt
Heat cure and form heat-cured layer 12, decorative layer 13 can be made solid with stable state in the inner surface of hard heat-cured layer 12
It is fixed.
Thermocurable adhesive layer 12h is thermally cured and is formed after heat-cured layer 12, as shown in Fig. 5 (A),
Thermal transfer substrate 22 is stripped from heat-cured layer 12.
In addition it is also possible to be overlapped Thermocurable bonding agent in the outer surface of transfer peeling layer 14r in the process of Fig. 3 (C)
After layer 12h, thermal transfer substrate 22 is stripped, and is transferred to heat curing processes later.
In this manufacturing method, due to Fig. 3 (A), Fig. 3 (B), Fig. 3 (C) process in, decorative layer 13 surface and
It transfers and is overlapped Thermocurable adhesive layer 12h in the two of the outer surface 14b of peeling layer 14r, make the Thermocurable bonding agent
Layer 12h heat cure, so as shown in Figure 2, it, can in transmission region 10A and the two regions lightproof area 10B
Heat-cured layer 12 is formed on the inner surface 11a of display panel substrate 11, can be improved the entire area of the inner surface side of display panel substrate 11
The intensity in domain.
Symbol description
1 touch sensor
2 display panels
10 exterior panels
10A transmission region
10B lightproof area
11 display panel substrates
11a inner surface
The outer surface 11b
12 heat-cured layers
12h thermoplastic adhesive oxidant layer
13 decorative layers
14 coated with resin layers
14r transfers peeling layer
21 the 1st laminated bodies
Substrate is used in 22 transfers
25 the 2nd laminated bodies
26 peeling sheets
28 the 3rd laminated bodies
31,32 heating, pressure roller
33 heating furnaces.
Claims (6)
1. a kind of exterior panel is the exterior for having the display panel substrate of translucency and being provided with transmission region and lightproof area
Panel, which is characterized in that
In the display panel substrate towards on the inner surface inside device, from the transmission region up to the lightproof area is arranged
There is the heat-cured layer of translucency made of solidifying Thermocurable adhesive layer by heat treatment, in the lightproof area,
It is formed with decorative layer towards the inner surface inside device in the heat-cured layer,
The heat-cured layer in the transmission region towards inside device inner surface and the decorative layer towards device
The inner surface of the inside is covered by the coated with resin layer of translucency.
2. exterior panel according to claim 1, wherein the decorative layer is printing ink layer.
3. exterior panel according to claim 1 or 2, wherein the coated with resin layer is formed by thermoplastic resin.
4. a kind of manufacturing method of exterior panel is with the display panel substrate formed by translucent material and to be provided with light transmission
The manufacturing method of the exterior panel of region and lightproof area, which is characterized in that with the following process:
(a) it uses in the thermal transfer laminated body for being laminated with transfer peeling layer on substrate, by thermal transfer process, in the transfer
Hectographic printing ink layer in a part on the surface of peeling layer and the process for forming decorative layer；
(b) the outer surface of the decorative layer and the region for not forming the decorative layer the transfer peeling layer outer surface
The process for being overlapped Thermocurable adhesive layer；
(c) display panel substrate of the outer surface and translucency that make the Thermocurable adhesive layer carries out face bonding, at heating
The process for managing the heat-cured layer for making the Thermocurable adhesive layer be solidified to form translucency；
(d) after the process after the process of (b) or (c), thermal transfer is shelled from the transfer peeling layer with substrate
From using the transfer peeling layer as the remaining process of coated with resin layer；
To be formed with the region of the decorative layer as the lightproof area, not form the region of the decorative layer as institute
State transmission region.
5. the manufacturing method of exterior panel according to claim 4, wherein in the process of (b), using removing
It is laminated with the 2nd laminated body of the Thermocurable adhesive layer on sheet material, makes the Thermocurable adhesive layer and the decoration
The outer surface of layer and the outer surface of the transfer peeling layer carry out face bonding, are heat-treated by pre-add, keep the Thermocurable viscous
Connect the outer surface of oxidant layer and the decorative layer and the outer surface bonding of the transfer peeling layer.
6. the manufacturing method of exterior panel according to claim 5, wherein by the stripping before the process of (c)
It is removed from the Thermocurable adhesive layer from sheet material, the Thermocurable adhesive layer and the panel base is made by hot pressing
Plate bonding, makes the Thermocurable adhesive layer heat cure by the heat treatment later.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015174398A JP6554365B2 (en) | 2015-09-04 | 2015-09-04 | Manufacturing method of exterior panel |
| JP2015-174398 | 2015-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106507618A CN106507618A (en) | 2017-03-15 |
| CN106507618B true CN106507618B (en) | 2019-11-19 |
Family
ID=58280290
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610647445.8A Active CN106507618B (en) | 2015-09-04 | 2016-08-09 | Exterior panel and its manufacturing method |
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| Country | Link |
|---|---|
| JP (1) | JP6554365B2 (en) |
| CN (1) | CN106507618B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6968759B2 (en) * | 2018-06-29 | 2021-11-17 | 三菱重工業株式会社 | Aircraft interior parts, their manufacturing methods, and their replacement methods |
| WO2021020222A1 (en) * | 2019-07-26 | 2021-02-04 | 大日本印刷株式会社 | Surface protection panel, multilayer member and image display device each using same, and method for producing surface protection panel |
| CN112351612A (en) * | 2020-10-29 | 2021-02-09 | Oppo广东移动通信有限公司 | Electronic equipment shell, manufacturing method thereof and electronic equipment |
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| CN101187256A (en) * | 2006-11-22 | 2008-05-28 | Lg化学株式会社 | Ceramic plate for building and incombustible decorative panel |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106507618A (en) | 2017-03-15 |
| JP2017050480A (en) | 2017-03-09 |
| JP6554365B2 (en) | 2019-07-31 |
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