CN100476515C - In mold manufacture of an object with embedded display panel - Google Patents
In mold manufacture of an object with embedded display panel Download PDFInfo
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- CN100476515C CN100476515C CNB2004800156599A CN200480015659A CN100476515C CN 100476515 C CN100476515 C CN 100476515C CN B2004800156599 A CNB2004800156599 A CN B2004800156599A CN 200480015659 A CN200480015659 A CN 200480015659A CN 100476515 C CN100476515 C CN 100476515C
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- display
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- thin slice
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- display pannel
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Images
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
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Abstract
This invention relates to an object having a display panel embedded in its top surface and processes for its manufacture.
Description
The cross reference of related application
The application requires the right of priority of No. the 60/476th, 852, the U.S. Provisional Application submitted on June 6th, 2003, and its full content is as a reference incorporated herein with way of reference.
Technical field
The present invention relates to have the object that is embedded in the display pannel on its top surface, and manufacture method.
Background technology
At present, for the object with display pannel, this object and display pannel are separately to make, then with two component-assembled together.The assembling of object needs mechanical bond or laminated (lamination) usually like this, and it can cause having bigger gap usually between this object and display, and has caused the gross thickness of object or the increase of cumulative volume.Therefore, present method can not satisfy some product requirement, and as style, compactness and permanance, and these characteristics are even more important for hand-held device.
Summary of the invention
One aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier rete contacts with the inside surface of described mould simultaneously;
C) plastic material is injected described mould, be used to form described object;
D) from described mould, shift out the described object of formation; And
E) shift out simultaneously and remove interim carrier layer and release layer.
Another aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) plastic material is injected described mould, be used to form described object;
D) from described mould, shift out the described object of formation.
Another aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier rete contacts with the inside surface of described mould simultaneously;
C) be used in the plastic material thermoforming in the described mould or be blow molded into described object;
D) from described mould, shift out the described object of formation; And
E) shift out simultaneously and remove interim carrier layer and release layer.
Another aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) be used in the plastic material thermoforming in the described mould or be blow molded into described object;
D) from described mould, shift out the described object of formation.
Another aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier rete contacts with the inside surface of described mould simultaneously;
C) the plastic material compression that is used in the described mould forms described object;
D) from described mould, shift out the described object of formation; And
E) shift out simultaneously and remove interim carrier layer and release layer.
Another aspect of the present invention provides a kind of method that is used to prepare object, and wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) the plastic material compression that is used in the described mould forms described object; And
D) from described mould, shift out the described object of formation.
Another aspect of the present invention provides a kind of plastic object with top surface, and described plastic object comprises display pannel, bonding coat and optional durable layer, and described plastic object is by method for preparing.
Another aspect of the present invention provides a kind of plastic object with top surface, and described plastic object comprises display pannel and bonding coat, and described plastic object is by claim 1,4 or 7 described method preparations.
Another aspect of the present invention provides display transfer film or thin slice in a kind of mould that uses in said method, comprise interim carrier layer, release layer, display pannel, bonding coat or tack coat and optional durable layer.
Another aspect of the present invention provides display insertion film or thin slice in a kind of mould that uses in said method, comprise carrier layer, display pannel and bonding coat.
First aspect of the present invention relates to the object with the display pannel that is embedded in its top surface.Ornamental design (for example, text or figure) can also appear on its top surface.
Second aspect of the present invention relates to display transfer film or thin slice in the mould.
The 3rd aspect of the present invention relates to display insertion film or thin slice in the mould, and in this aspect of the invention, display pannel can be formed on the carrier film that comprises electrode layer.
Display transfer film or thin slice or display inserts in film or the thin slice in mould display pannel can be any basic displays of moulding in mould, as polymer dispersed liquid crystal display (PDLC), cholesteric liquid crystal display (ChLCD), organic light emitting apparatus (OLED), electrophoretic display device (EPD) (EPD) or other display based on particle.
The 4th aspect of the present invention relates to the method for the object that is used to make first aspect of the present invention.
The present invention has application widely.For example, described object can be the vinyl cover of mobile phone or pager, and the display pannel that is embedded in top surface can videotex information, time and date and/or colour or flash signal, these signals remind users to note the number of incoming call or voice mail information.In fact, the present invention can be used for any object made of plastic, as carry-on annex (for example, handbag or wallet), toy or educational devices, the vinyl cover of personal digital assistant or e-book, credit card or smart card, identification card or business card, the surface of atlas, wrist-watch, clock and watch, radio or camera, the instrument panel of automobile, household wares (for example, cup, plate or bottle), the carrying case or the front control plate of portable personal computer's (computing machine) shell and Any user (consumption) electronic equipment.This inventory obviously is not exhaustive, and to those skilled in the art, other is used also is significantly, so they all are included within protection scope of the present invention
When the plastic displays panel embedded in the object, seamless combination can produce very attracting outward appearance.This display pannel can be consistent with body surface, even this surface is crooked, therefore, this display pannel can show as the indispensable part or the printing of object, according to the present invention, the plastic displays of large-size also can be embedded in the object, then can not accomplish this point with traditional display group packing technique.
Description of drawings
Various embodiment of the present invention will be disclosed in following embodiment part and accompanying drawing.
Fig. 1 shows the vertical view (top view) of object of the present invention.
Fig. 2 a comprises the mould in-mold transfer films of display pannel or the cut-open view of thin slice.
Fig. 2 b is the interior cut-open view that inserts film or thin slice of mould that comprises display pannel.
Fig. 2 c is an enlarged drawing of typically moulding basic display pannel.
Fig. 3 a relates to the cut-open view of the injection molding process of mould in-mold transfer films or thin slice
Fig. 3 b relates to insert in the mould cut-open view of the injection molding process of film or thin slice.
Fig. 4 a and 4b example show the object with inner chamber of the present invention.
Fig. 5 and Fig. 6 example show the application of ornamental design in object of the present invention.
Embodiment
The present invention can implement in many ways, as implementing to comprise as the combination and the computer-readable medium modes such as (as computer-readable recording medium or computer networks) of method, device, system, material, wherein programmed instruction transmits through optical communication link or electronic communication link.In this manual, any other form that these embodiments or the present invention can be able to be adopted is referred to as technology, generally speaking, can change the order of steps of disclosed method in protection scope of the present invention.
Below together with the accompanying drawing that illustrates the principle of the invention, the detailed description of one or more embodiments of the present invention is provided.The present invention is described together with such embodiment, but the present invention is not limited to any embodiment.Protection scope of the present invention is only limited by claim; and the present invention includes multiple change, improve and be equal to replacement and stated many details in the following description; fully understand of the present invention so that provide; these details that provided be for example for the purpose of, and the present invention can be implemented need not some or all of these details according to claim.For clarity, do not described in detail, to avoid unnecessarily fuzzy the present invention for the known technology material in the technical field related to the present invention.
Fig. 1 shows the vertical view (top view) of object (10), and this object comprises the display pannel (11) that is embedded in its top surface.Text or graphic designs (12) also can appear at top surface alternatively.In the context of the present invention, term " embedding " is to be used to refer to, and when forming object rather than after forming object, display pannel is attached in the top surface of this object.
Be applicable to that the manufacturing process (method) that forms object can comprise: for example, hot pressing, laminated, injection moulding, thermoforming, compression forming or blowing.In punching press, laminated or moulding technology, be applicable to that the example of the material of this object can comprise, but be not limited to: thermoplastic, as polystyrene, Polyvinylchloride, acrylic compounds (resin), polysulfones, polyarylate, polypropyleneoxide, polyolefin, acrylonitrile-butadiene-styrene copolymer (ABS), methacrylate-acrylonitrile-butadiene-styrene copolymer (MABS), polycarbonate, polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polyurethane and other thermoplastic elastomer, or its potpourri; And thermosets, as reaction injection molding(RIM) level polyurethane, epoxy resin, unsaturated polyester (UP), vinyl acetate or its compound, prepreg and potpourri
(I) display transfer film or thin slice in the mould
When making object of the present invention, comprise that the interior display transfer film of mould or the thin slice of display pannel at first prepares.
Though used term " mould in " in this application, should understand that the present invention can expand to other technology, as combining of punching press, laminated or punching press or laminated and moulding technology.
Fig. 2 a is the cut-open view of display transfer film or thin slice (20) in such mould, it comprises that interim carrier layer (21), release layer (22), optional durable layer (23), display pannel (24) and bonding (agent) layer or tack coat (25), release layer (22), durable layer (23) (if present), display pannel (24) and bonding coat (25) are sequential applications (coating) or are laminated on the carrier film (21), and these different layers are collectively referred to as " display transfer film or thin slice in the mould " in this application, so that illustrate.
In the shifting process in mould (method), display transfer film in the mould or thin slice are sent in the mould, wherein interim carrier layer (21) contacts with die surface.
Key element display pannel (24) can be: based on the display (corpuscular type display) of particle, and as at T.Pham, et al, SID 02 Digest, p.119 the upset ball displays described in (2002) (flipping ball display); As at R.Hattori, et al, SID 03 Digest, the p.846 liquid powder display described in (2003); Or electrophoretic display device (EPD), especially miniature cup EPD (
EPD), it is disclosed in the following isonomic pending application: U.S. Patent application the 09/518th, No. 499 (corresponding to WO01/06917), U.S. Patent application the 09/879th, No. 408 (corresponding to WO 02/100155), U.S. Patent application the 10/447th, No. 719 (corresponding to WO 03/102673), U.S. Patent application the 10/422nd, No. 413 (corresponding to WO 03/91798), U.S. Patent application the 10/422nd, No. 557 (corresponding to WO 03/91788) and U.S. Patent application the 60/375th, No. 936, that the content of the patented claim of being quoted more than all is as a reference incorporated herein with way of reference.
Electrophoretic display device (EPD) can have traditional on/following switching mode (pattern) is as respectively at isonomic pending application U.S. Patent application the 10/198th, No. 729 (corresponding to WO03/009059) and U.S. Patent application the 10/222nd, disclosed in No. 036 (corresponding to WO 03/016993), it can have in the face or dual switching mode, and the content of above-mentioned two applications is all as a reference incorporated herein with way of reference.
Display pannel also can be OLED (organic light emitting apparatus), PLED (polymer light-emitting devices) or LCD, especially Polymer Dispersed Liquid Crystal (PDLC), miniature cup LCD (
LCD) [it is disclosed in isonomic pending application U.S. Patent application the 09/759th, No. 212 (corresponding to WO 02/56097) and U.S. Patent application the 10/178th, in No. 990, that the content of above-mentioned two applications is as a reference incorporated herein with way of reference] or cholesteryl liquid crystal device (ChLCD).The summary that comprises the reflected displaying device of PDLC and OLED/PLED can be respectively referring to following books: P.S.Drzaic, " Liquid Crystal Dispersions ", World Scientific Publishing Co. (1995); S-T.Wu and D-K, Yang " Reflective Liquid Crystal Displays ", JohnWiley ﹠amp; Sons, (2001); And SID 03 Digest, (2003), its full content is also as a reference incorporated herein with way of reference.
Display pannel is preferably thin and flexible, and the substrate that is used to form display pannel preferably has higher heat distortion temperature, so that display can bear the process conditions in transfer (transfer printing or the move film) technology, it is preferred moulding basic display pannel as injection moulding or other condition of moulding.In the context of the present invention, a kind of display pannel " moulded basic display pannel " and be meant in term, and it is formed on the plastic substrate layer, be clipped between two plastic substrate layer or be clipped between the metal or metal oxide flakes or glass sheet of clarity plastic layer and insulator-coating.This metal or metal oxide flakes can be prepared by steel (as carbon steel or stainless steel), Al, Sn, Ni, Cu, Zn, Mg or its alloy, oxide, compound or potpourri.
Fig. 2 c be mould basic miniature cup (
) enlarged drawing of display pannel. this display pannel (24) has a plurality of display units (26), top electrode plate (27a) and bottom electrode plate (27b).This display pannel can be formed on the bottom plastic substrate layer (28b), (28a) is laminated with the top plastic hypothallus, or two kinds of situations all exist, the appropriate materials that is used for plastic substrate layer can comprise: polyethylene terephthalate (PET), polybutylene terephthalate (PBT), PEN (PEN), the polyolefin that comprises polycyclic olefin, polycarbonate (PC), polymethylmethacrylate (PMMA), polysulfones, polyimide (PI), polyarylate, polystyrene, polyurethane, polysiloxane, with and multipolymer, potpourri or compound, wherein PET, PBT, PEN and PC are preferred.
Based on miniature cup (
) display in, display unit (26) carries out top seal separately with sealant, and sealant is by being selected from by thermoplastic, the material in the group that thermoplastic elastomer, thermosets and its precursor are formed forms
For display pannel, top electrode layer (27a) side or bottom electrode layer (27b) side can be to watch side.In other words, during moulding technology, in display transfer film or the thin slice, top electrode layer one side or bottom electrode layer one side can contact with release layer (22) or durable layer (23) (if present) in mould.
In face, switch under the EPD situation of (it comprises electrode base sheet and insulating substrate in the face), watch preferably insulator side of side, so that being connected of simplification and display driver and external circuit.
Interim carrier layer (21) is plastic sheeting normally, and its thickness is about 3.5 to about 50 microns.PET, PEN and PC film are particularly preferred, and this is because they have the advantage that low cost, the high grade of transparency and high heating power are learned stability
The release coating (22) that shifts display film in the mould makes this display pannel coating can leave carrier in some way, and this mode makes the damage to display pannel drop to minimum degree, and makes full automatic roller shifting process become possibility during molding.
This release coating is the low surface tension coating normally, it is by the material as wax, paraffin or siloxane and so on, or highly level and smooth impermeability production of coatings, this impermeability coating is by following material preparation, as polyfunctional acrylic ester (salt), organic silicon acrylic ester, epoxide, vinyl esters, vinyl ether, allyl compound and vinyl compound, unsaturated polyester (UP) or its potpourri of radiation-hardenable.This release layer can comprise condensed polymer, multipolymer, potpourri or the compound that is selected from the group of being made up of epoxy resin, polyurethane, polyimide, polyamide, melamine formaldehyde (MF), urea-formaldehyde and phenol formaldehyde (PF).
Optionally long-lived coating (23) is as the protective seam of display pannel (24) and printing ink or metal patterns (if present).The suitable starting material that are used for this long-lived coating can comprise, but be not limited to, the polyfunctional acrylic ester of radiation-hardenable (salt), it comprise epoxy acrylate, urethane acrylate, polyester acrylate, organic silicon acrylic ester, glycidyl acrylate, epoxide, vinyl esters, diallyl phthalate, vinyl ether with and composition thereof.This optional long-lived coating can comprise condensed polymer or multipolymer, as epoxy resin, polyurethane, polyamide, polyimide, melamine formaldehyde (MF) (resin), urea-formaldehyde (Lauxite) or phenol formaldehyde (PF) (phenolics).Optionally long-lived coating can comprise sol-gel esters of silicon acis or titanate esters.
Can partially or completely solidify the durable layer that shifts display film in this mould.If partly solidified, then after molding and/or transfer (transfer printing) step, will adopt the back curing schedule to strengthen permanance, especially hardness, resistance to scraping and oil resistance.
In order to improve demolding performace, the starting material of this durable layer, especially its low molecular weight compositions does not preferably infiltrate in the release layer.Apply this durable layer and make it to solidify or partly solidified after, this durable layer should be perhaps incompatible with release layer mutually with release layer to a certain extent.Can use bonding agent and adjuvant (as thickening agent, surfactant, spreading agent, ultra-violet stabilizer or antioxidant) with control rheological property, wetting state, coating performance, weatherability and ageing properties.Also can add filler (as silica, Al
2O
3, iiO
2, CaCO
3Microcrystalline wax or tygon, teflon or other lubricated granules) to improve the resistance to scraping and the hardness of (for example) this durable layer.The thickness of this durable layer is generally about 2 to about 20 microns, is preferably about 3 to about 8 microns.This durable layer is preferably transparent in the zone that covers display pannel.
When not having durable layer (23), top hypothallus (28a) in display pannel (24) or bottom substrates layer (28b) can be used as protective seam.In this case, can extend beyond the display pannel zone at the display hypothallus of watching side, and some or all release layers of covering transfer membrane or thin slice, alternatively, by the bonding agent (not shown), display pannel (24) directly can be laminated on release layer or the durable layer (if present).
Bonding coat (25) is added this display pannel coating, in order to display pannel (24) and printing ink or metal patterns (if present) optimum adhesion with the top surface of molded object to be provided.This bonding coat can be formed by following material, as polyacrylate, polymethacrylate, polystyrene, polycarbonate, polyurethane, polyester, polyamide, epoxy resin, vinyl-vinyl acetate copolymer (EVA), thermoplastic elastomer or analog, or its multipolymer, potpourri or compound.Hotmelt or heat-activatable adhesive as polyurethane and polyamide, are particularly preferred.The thickness of this bonding coat can be about 1 to about 20 microns scope, preferably about 2 to about 6 microns scope.
If there is durable layer, then printing-ink or metal patterns may reside between display pannel (24) and the durable layer (23) or in the zone that does not have display, then are present between durable layer (23) and the bonding coat (25).Institute is illustrational as below IV part, if there is no this durable layer, and then printing-ink or metal patterns may reside on the display pannel.
(II) display inserts film or thin slice in the mould
Fig. 2 b is the schematic cross sectional views that display inserts film or thin slice in the mould, in this case, after punching press, laminated or moulding technology, carrier layer (21a) will become the part of finished product, by means of the bonding coat (not shown), display pannel (24) can be laminated on the carrier film (21a), and carry out face cap with hot melt or heat-activatable adhesive (25) alternatively at opposite side and be coated with.Alternatively optional, by means commonly known in the art, for example, as the method described in No. the 09/518th, 488, isonomic pending application U.S. Patent application, directly this display pannel of preparation on carrier film.In this case, this carrier film can comprise transparent electrode layer, as tin indium oxide (ITO).
Similar with display transfer film in the mould or thin slice, printing-ink and metal patterns may reside between this display pannel and the carrier film or in the zone that does not have display, then are present between carrier film and the bonding coat (25).In this application, for convenience of explanation, these different layers are referred to as " display inserts film or thin slice in the mould ".
(III) manufacturing of object
Shifting process (method) is illustrated in Fig. 3 a in the typical mould.In this moulding technology, display transfer film or thin slice are on the roller of sending into mould machine continuously or guipure in this mould.Mould (mold) (30) can be injection or the compression mold that is used for object (36b).During moulding technology, with this mould closure, and after plasticity (plastics) melt that will be used to form object injects die cavity (36a) molding by injection nozzle and runner, display pannel, durable layer (if present) and printing ink and metal finishing pattern (if present) transfer (or transfer printing) are carried out the demoulding to this molded object to the object of molding.Also remove interim carrier layer (31) and release layer (32) simultaneously, stay long-lived coating (33) (if present), make it become the superiors on this body surface, wherein be embedded in the indispensable part of following display pannel (34) as this object.Layer (35) is a bonding coat.
In order to promote this display transfer film and mould alignment (registration), this roller or guipure can be printed with register mark in advance, and send into continuously in this mould by the alignment by for example optical sensor.
When durable layer (33) when not existing, one of plastic substrate layer of display pannel (34) will be the superiors on this body surface
In the insertion process in the mould that illustrates as Fig. 3 b (method), at first display insertion film or thin slice in the mould are cut into suitable size and shape, be inserted into then in the mould (30).As shown in the figure, alternatively under vacuum condition, display in this mould is inserted film prop up against mold wall and place.Can manually place this display pannel coating, also can promote its insertion with static charge, perhaps also can carry out mechanization and insert especially for production in enormous quantities, it is favourable that mechanization is inserted.
The carrier layer (31a) that this display inserts film contacts with the inner wall surface of mould, closed then this mould, the plastic melt that then will be used to form object (36b) is injected die cavity (36a) by injection nozzle and runner, in this case, carrier film (31a) can become the indispensable part of finished product.Alternatively, this display inserts film can be thermoformed into definite shape, then cross cutting in addition before inserting mould.
The mould design of any technology that is used for two types manufacturing process (method) must consider that display pannel inserts or shifts.The position, sprue gate must make display pannel upwards be adjacent to respect to die cavity, to guarantee suitable heat transmission by each layer in the display pannel, and, this mould is design so, so that behind moulding technology, can expose the electrode of display pannel, be used for being connected in subsequently display driver and external circuit in addition, flow in the mould and fill and analyze and before the blanking punch material, carry out also should considering the mold cools down analysis, so that reduce to the mould focus minimum.At last, this mold temperature setting must be considered the existence of display pannel.
The not shown connector that this display pannel is connected in external circuit and driver in Fig. 2 a or Fig. 2 b.Interior display insertion film of display transfer film or thin slice or mould or thin slice can exist with the form of volume (roller) in this mould.
Fig. 4 a is the cut-open view with solid body of the display pannel that is embedded in its top surface.As shown in the figure, object (40) can have the connection chamber of perforate or groove (41) form in main body, determine the route of the electrode of display pannel (43) and exposed so that display pannel (42) can be connected in required circuit, be used for being connected with driver by this hole or groove.By electroconductive binder (45), as ACF, conduction PSA or silver paste, or mechanical grip, the flexible joint lead of flexible cable (44) or other type can be connected in this electrode.
Fig. 4 b illustrates snap-in plug (46), and it can further be inserted to fix the reliability that this bond regions and intensifier electrode connect.For direct driving display, this common electrode is positioned at watches side, and display inserts under the situation of film or thin slice in mould, and this electrode is applied on the carrier film.The circuit of the segmented electrode of this direct driving display is to be connected to the connection pad by path (through hole), it is positioned at the rear surface of this display, for Active Matrix Display, this common electrode is positioned at watches side, and flexible active switching part layer is positioned at the non-side of watching.Signal connects pad and is positioned on the rear surface of this display, and is connected in this active switching part by path.For passive matrix display, all column electrodes and row electrode should be connected to the rear surface to make things convenient for connection procedure, can realize this connection by path or flexible circuit adapter.In three types display, that is, direct driving display, Active Matrix Display and passive matrix display, display driver (47) can be installed on this display alternatively, in order to reduce the number that connects pad, it can further improve quality of connection and reduce manufacturing cost.
Replacedly, can form this object, hold the inner chamber of this circuit in order to generation by blowing or thermoforming.For making object, at first display transfer film or insertion film are put into chunk, and make it to remain on the appropriate location by for example vacuum or tension force by blowing or thermoforming; Close die then.To be used to form the plastic material thermoforming of this object or be blown into mould.As in injection moulding or compressing and forming process, this display pannel is adhered to and embeds the top surface of this molded object (as cup or bottle).
Replacedly, described object can pass through other moulding technology such as compression forming, hot pressing or laminated formation.
(IV) application of ornamental design
Text and/or graphic designs also can appear at the top surface of this object.Modal design comprises brand name, sign or symbol or other ornamental design.
The classic method that is used to add ornamental design comprises serigraphy, intaglio plate bat printing, hot pressing, laminated and application.These methods are to operate the procedure of processing that these action needs are other behind the molding in history.
In recent years, used interchangeable trailing, illustrated in-mold decoration processes as thin slice in the mould (in-moldfoil), insert molding or heat of sublimation transfer (sublimation heat transfer) Fig. 5 and Fig. 6.
Fig. 5 is interior display transfer film of mould or the enlarged drawing that inserts the display pannel in the film.This display pannel comprises a plurality of display units (50), top electrode layer (51), bottom electrode layer (52) and top plastic hypothallus (53).This ornamental design can be screen-printed on the first surface (54) or second surface (55, the back side) of top plastic hypothallus.Bottom electrode layer (52) is arranged on the bottom substrates layer (57), can be bonded to metal or the metal oxide flakes that this bottom substrates layer of (not shown) can be aforesaid plastic layer or insulator-coating on the plastic object by bonding coat or this bottom substrates layer of tack coat (not shown), it is by carbon steel, stainless steel, and Al, Sn, Ni, Cu, Zn, Mg or its alloy or its oxide prepare.
Fig. 6 shows a kind of adoptable method, wherein this ornamental design is printed on the first surface (64) of top plastic hypothallus (63), and top plastic hypothallus (63) is below top durable layer (66), or be printed on the second surface (65) of top hypothallus (63), and top hypothallus (63) is on first electrode layer (61) of this display.If this decoration pattern is on first surface (64), so Shang Mian durable layer (66) is in demand, so that improve this surperficial hardness, resistance to scraping and oil resistance.Similar with display film in the mould described in Fig. 5, bottom electrode layer (62) is arranged on the bottom substrates layer (67), can be incorporated on the plastic object (not shown) by bonding coat or this bottom substrates layer of tack coat (not shown).Metal or metal oxide flakes that this bottom substrates layer can be aforesaid plastic layer or insulator-coating, it is prepared by carbon steel, stainless steel, Al, Sn, Ni, Cu, Zn, Mg or its alloy or its oxide.
Also can form this ornamental design by thermoforming.In this case, this carrier film will become the part of molded object, and the gross thickness with protuberance or decorative layer of recessed pattern is usually in about scope of 0.2 to about 1mm, preferably in about scope of 0.3 to about 0.7mm.It usually in mould by ABS, polystyrene or the thermoforming of PVC sheet material
Replacedly, also can form this decorative layer by high-pressure forming, it relates to the use pressure-air, so that produce ornamental design on film.Also can form this decorative layer by hydroforming, wherein be that hydraulic pressure capsule rather than air are as builder
Should also be noted that the decorative layer made from any method in the said method must have ornamental design, these ornamental design display pannel overlapping areas that is printed on rather tactfully and gets along well.In other words, ornamental design should not influence display image.
Though described the present invention with reference to its specific embodiment, should understand, under the situation that does not depart from true spirit of the present invention and protection domain, can make various variations and equivalence replacement.In addition, can make multiple improvement all is encompassed in protection scope of the present invention to adapt to all the such improvement of specific situation.
Though understand for the purpose of the present invention for clear, described in detail above-mentioned embodiment, the details that provided is provided in the present invention.There is multiple interchangeable method to implement the present invention.The disclosed embodiment of the present invention is illustrative and not restrictive.
Claims (68)
1. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier layer contacts with the inside surface of described mould simultaneously;
C) plastic material is injected described mould, be used to form described object;
D) from described mould, shift out the described object of formation; And
E) remove interim carrier layer and release layer simultaneously.
2. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) plastic material is injected described mould, be used to form described object;
D) from described mould, shift out the described object of formation.
3. method according to claim 2, wherein said display pannel is formed directly on the described carrier layer.
4. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier layer contacts with the inside surface of described mould simultaneously;
C) be used in the plastic material thermoforming in the described mould or be blow molded into described object;
D) from described mould, shift out the described object of formation; And
E) remove interim carrier layer and release layer simultaneously.
5. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) be used in the plastic material thermoforming in the described mould or be blow molded into described object;
D) from described mould, shift out the described object of formation.
6. method according to claim 5, wherein said display pannel is formed directly on the described carrier layer.
7. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display transfer film or thin slice in the mould, it comprises interim carrier layer, release layer, display pannel, bonding coat and optional durable layer;
B) display transfer film or thin slice in the described mould are sent in the mould, described interim carrier layer contacts with the inside surface of described mould simultaneously;
C) the plastic material compression that is used in the described mould forms described object;
D) from described mould, shift out the described object of formation; And
E) remove interim carrier layer and release layer simultaneously.
8. method that is used to prepare object, wherein said object has the display pannel that is embedded in this object top surface, and described method comprises:
A) form display insertion film or thin slice in the mould, it comprises carrier layer, display pannel and bonding coat;
B) display in the described mould is inserted film or thin slice and insert in the mould, described carrier layer contacts with the inside surface of described mould simultaneously;
C) the plastic material compression that is used in the described mould forms described object; And
D) from described mould, shift out the described object of formation.
9. method according to claim 8, wherein said display pannel is formed directly on the described carrier layer.
10. plastic object with top surface, described plastic object comprise display pannel, bonding coat and optional durable layer, and described plastic object is by claim 1,4 or 7 described methods preparations.
11. the plastic object with top surface, described plastic object comprises carrier layer, display pannel and bonding coat, and described plastic object is by claim 2,3,5,6,8 or 9 described method preparations.
12. according to claim 10 or 11 described objects, wherein said display pannel seamless link is in the non-displaypart of described object.
13. according to claim 10 or 11 described objects, described object forms by molding, punching press, laminated or its combination.
14. object according to claim 13, wherein said moulding technology are injection moulding, compression forming, thermoforming or blowing.
15. according to claim 10 or 11 described objects, the top surface of wherein said display pannel and described object closely contacts.
16. according to claim 10 or 11 described objects, the top of wherein said display pannel watches hypothallus identical with the top layer of described object.
17. according to claim 10 or 11 described objects, form by following material, described material be selected from by thermoplastic, thermoplastic elastomer, thermosets, with and composition thereof, the group formed of prepreg or compound.
18. object according to claim 17, wherein said thermoplastic are polystyrene, Polyvinylchloride, acrylic resin, polysulfones, polyarylate, polypropyleneoxide, polyolefin, acrylonitrile-butadiene-styrene copolymer, methacrylate-acrylonitrile-butadiene-styrene copolymer, polycarbonate, polybutylene terephthalate, polyethylene terephthalate, polyurethane or its compound, prepreg or potpourri.
19. object according to claim 17, wherein said thermosets are reaction injection molding(RIM) level polyurethane, epoxy resin, unsaturated polyester (UP), vinyl acetate or its compound, prepreg or potpourri.
20. according to claim 10 or 11 described objects, wherein said display pannel is electrophoretic display device (EPD), upset ball displays or liquid powder display.
21. object according to claim 20, wherein said electrophoretic display device (EPD) is based on the display of miniature cup.
22. according to claim 10 or 11 described objects, wherein said display pannel is a LCD.
23. object according to claim 22, wherein said LCD is based on the display of miniature cup.
24. object according to claim 20, wherein said electrophoretic display device (EPD) have traditional on/down, in the face or dual switching mode.
25. according to claim 10 or 11 described objects, wherein said display pannel is organic light emitting apparatus or polymer light-emitting devices.
26. object according to claim 22, wherein said LCD are polymer-dispersed liquid crystal or cholesteric liquid crystal display.
27. according to claim 10 or 11 described objects, wherein said display pannel is formed on the plastic substrate layer, be clipped between two plastic substrate layer or be clipped in clarity plastic layer and thin metal or metal oxide flakes or glass sheet between.
28. object according to claim 27, wherein said plastic substrate layer form certainly: polyethylene terephthalate, polybutylene terephthalate, PEN, polyolefin, polycarbonate, polymethylmethacrylate, polysulfones, polyimide, polyarylate, polystyrene, polyurethane, polysiloxane or its multipolymer, potpourri or compound.
29. object according to claim 27, wherein said metal or metal oxide flakes form certainly: steel, Al, Sn, Ni, Cu, Zn, Mg or its alloy, oxide, compound or potpourri.
30. object according to claim 29, wherein said steel are carbon steel or stainless steel.
31., further be included in the ornamental design of its top surface according to claim 10 or 11 described objects.
32. object according to claim 31, wherein said ornamental design is after-applied at molding.
33. object according to claim 31, wherein said ornamental design applies by technology in the mould.
34. object according to claim 31, wherein said display pannel comprises a plurality of display units, and described display unit is clipped in the top and watches between flexible matrix layer and the bottom flexible matrix layer.
35. it is the residuite layer that object according to claim 34, wherein said top are watched the flexible matrix layer.
36. it is the transparent plastic hypothallus that object according to claim 35, wherein said top are watched the flexible matrix layer.
37. object according to claim 34, wherein said bottom flexible matrix layer are plastic substrate layer, thin metal or metal oxide flakes or glass sheet.
38. object according to claim 34, wherein said ornamental design appear at any side that hypothallus is watched at described top.
39. object according to claim 31, wherein said display pannel has ornamental design at non-display area.
40. object according to claim 31, wherein said ornamental design be by injection moulding, compression forming, thermoforming, blowing, hot pressing, laminated or its be combined to form on described object.
41. according to claim 10 or 11 described objects, described object is the vinyl cover of mobile phone or pager.
42. according to the described object of claim 41, wherein said display pannel is based on the display pannel of miniature cup.
43. according to claim 10 or 11 described objects, described object is carry-on annex.
44. according to claim 10 or 11 described objects, described object is toy or educational devices.
45. according to claim 10 or 11 described objects, described object is the vinyl cover of personal digital assistant or e-book.
46. according to claim 10 or 11 described objects, described object is credit card or smart card or identification card or business card.
47. according to claim 10 or 11 described objects, described object is the surface of atlas, wrist-watch, clock and watch, radio or camera.
48. according to claim 10 or 11 described objects, described object is the instrument panel of automobile.
49. according to claim 10 or 11 described objects, described object is a household wares.
50. according to claim 10 or 11 described objects, described object is the carrying case or the preceding control panel of portable personal computer's shell, Any user electronic equipment.
51. display transfer film or thin slice in the mould that claim 1,4 or 7 is used in each comprise interim carrier layer, release layer, display pannel, bonding coat or tack coat and optional durable layer.
52., further be included in the bonding coat between described display pannel and the described release layer according to display transfer film or thin slice in the described mould of claim 51.
53. according to display transfer film or thin slice in the described mould of claim 51, wherein said interim carrier layer is the film of polyethylene terephthalate, PEN or polycarbonate.
54. according to display transfer film or thin slice in the described mould of claim 51, wherein said release layer is formed by wax, paraffin or siloxane or highly level and smooth impermeability coating, and described coating is by polyfunctional acrylic ester (salt), organic silicon acrylic ester, epoxide, vinyl esters, vinyl ether, allyl compound and vinyl compound, unsaturated polyester (UP) or the preparation of its potpourri of radiation-hardenable.
55. according to display transfer film or thin slice in the described mould of claim 51, wherein said release layer comprises condensed polymer, multipolymer, potpourri or the compound that is selected from the group of being made up of epoxy resin, polyurethane, polyimide, polyamide, melamine formaldehyde (MF), urea-formaldehyde and phenol formaldehyde (PF).
56. according to display transfer film or thin slice in the described mould of claim 51, wherein said optional durable layer is by polyfunctional acrylic ester (salt), epoxide, vinyl esters, diallyl phthalate, vinyl ether or the preparation of its potpourri of radiation-hardenable.
57. according to display transfer film or thin slice in the described mould of claim 51, wherein said optional durable layer comprises condensed polymer or multipolymer.
58. according to display transfer film or thin slice in the described mould of claim 57, wherein said condensed polymer or multipolymer are selected from the group of being made up of epoxy resin, polyurethane, polyamide, polyimide, melamine formaldehyde (MF), urea-formaldehyde and phenol formaldehyde (PF).
59. according to display transfer film or thin slice in the described mould of claim 51, wherein said optional durable layer comprises sol-gel esters of silicon acis or titanate esters.
60. according to display transfer film or thin slice in the described mould of claim 56, the polyfunctional acrylic ester of wherein said radiation-hardenable (salt) is epoxy acrylate, urethane acrylate, polyester acrylate, organic silicon acrylic ester or glycidyl acrylate.
61. according to display transfer film or thin slice in the described mould of claim 51, wherein said bonding coat is formed by polyacrylate, polymethacrylate, polystyrene, polycarbonate, polyurethane, polyester, polyamide, epoxy resin, vinyl-vinyl acetate copolymer or thermoplastic elastomer or its multipolymer, potpourri or compound.
62. according to display transfer film or thin slice in the described mould of claim 51, wherein said bonding coat is hotmelt or heat-activatable adhesive.
63. according to display transfer film or thin slice in the described mould of claim 51, wherein said bonding coat is polyurethane, polyamide or its multipolymer, potpourri or compound.
64. according to display transfer film or thin slice in the described mould of claim 51, wherein said bonding coat is polycarbonate, polyacrylate, polymethacrylate or its multipolymer, potpourri or compound.
65. according to display transfer film or thin slice in the described mould of claim 51, its form with volume exists.
66. one kind in the mould that claim 2,5 or 8 is used in each display insert film or thin slice, comprise carrier layer, display pannel and bonding coat.
67. insert film or thin slice according to display in the described mould of claim 66, wherein said display pannel is to be formed directly on the described carrier layer.
68. insert film or thin slice according to display in the described mould of claim 66, its form with volume exists.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47685203P | 2003-06-06 | 2003-06-06 | |
| US60/476,852 | 2003-06-06 | ||
| US10/860,992 | 2004-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1802594A CN1802594A (en) | 2006-07-12 |
| CN100476515C true CN100476515C (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800156599A Expired - Lifetime CN100476515C (en) | 2003-06-06 | 2004-04-28 | In mold manufacture of an object with embedded display panel |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2007535416A (en) |
| CN (1) | CN100476515C (en) |
| AT (1) | ATE356368T1 (en) |
| DE (1) | DE602004005192T2 (en) |
| TW (1) | TWI316839B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101165892B1 (en) * | 2007-07-12 | 2012-07-13 | 애플 인크. | Methods for integrally trapping a glass insert in a metal bezel and produced electronic device |
| TWI358790B (en) | 2007-11-30 | 2012-02-21 | Asustek Comp Inc | Portable electronic device and stamping method of |
| DE102007060585A1 (en) * | 2007-12-13 | 2009-06-18 | Thomas Emde | Lamp |
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| CN101570066B (en) * | 2008-04-30 | 2013-09-25 | 海尔集团公司 | Double-sided and bi-color internal injection molding method and injection molding panel |
| CN101610652B (en) * | 2008-06-19 | 2012-06-13 | 深圳富泰宏精密工业有限公司 | Window and electronic device casing with same |
| CN101662899B (en) * | 2008-08-25 | 2012-01-25 | 比亚迪股份有限公司 | Electronic product outer shell and manufacturing method thereof |
| JP2011121340A (en) * | 2009-12-14 | 2011-06-23 | Nissha Printing Co Ltd | Decorative molded article with electronic paper display formed in rear surface |
| TWI498069B (en) * | 2010-03-19 | 2015-08-21 | Fih Hong Kong Ltd | Housing for electronic device and method for making the same |
| CN101873778B (en) * | 2010-04-28 | 2012-07-18 | 鸿富锦精密工业（深圳）有限公司 | Printing method having three-dimensional effect and obtained electronic product |
| DE102011050585B4 (en) | 2011-05-24 | 2014-05-08 | Kunststoff Helmbrechts Ag | Process for the production of a plastic molding as a display and / or functional element and plastic molding |
| TWI473554B (en) * | 2011-10-24 | 2015-02-11 | Wistron Neweb Corp | Housing and manufacturing method thereof |
| KR102419385B1 (en) | 2012-09-03 | 2022-07-08 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Display device and electronic device |
| KR101973778B1 (en) | 2012-11-16 | 2019-04-30 | 삼성디스플레이 주식회사 | Flexible display device and method of manufacturing cover window of the same |
| CN103934948A (en) * | 2013-01-23 | 2014-07-23 | 谢孟峰 | Manufacturing method of PU molded product |
| JP6092674B2 (en) * | 2013-03-22 | 2017-03-08 | シャープ株式会社 | Structure, wireless communication device, and method of manufacturing structure |
| CN108274795A (en) * | 2018-01-23 | 2018-07-13 | 滁州英诺信电器有限公司 | A kind of manufacture craft of washer control panel shell |
| JP7053532B2 (en) * | 2019-06-07 | 2022-04-12 | 株式会社ニフコ | Instrument panel with display device, manufacturing method thereof, and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3287130B2 (en) * | 1993-10-06 | 2002-05-27 | トヨタ自動車株式会社 | Seat belt retractor mounting structure |
| JPH07114347A (en) * | 1993-10-14 | 1995-05-02 | Alps Electric Co Ltd | Display device and its production |
| US6930818B1 (en) * | 2000-03-03 | 2005-08-16 | Sipix Imaging, Inc. | Electrophoretic display and novel process for its manufacture |
| JP2003015795A (en) * | 2001-07-04 | 2003-01-17 | Minolta Co Ltd | Information display device |
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- 2004-04-28 CN CNB2004800156599A patent/CN100476515C/en not_active Expired - Lifetime
- 2004-04-28 AT AT04750917T patent/ATE356368T1/en not_active IP Right Cessation
- 2004-04-28 DE DE602004005192T patent/DE602004005192T2/en not_active Expired - Lifetime
- 2004-04-28 JP JP2006513441A patent/JP2007535416A/en active Pending
- 2004-05-11 TW TW93113161A patent/TWI316839B/en active
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| TW200514490A (en) | 2005-04-16 |
| DE602004005192D1 (en) | 2007-04-19 |
| TWI316839B (en) | 2009-11-01 |
| CN1802594A (en) | 2006-07-12 |
| JP2007535416A (en) | 2007-12-06 |
| ATE356368T1 (en) | 2007-03-15 |
| DE602004005192T2 (en) | 2007-11-08 |
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