CN101930860A - Method for manufacturing key structure with transparent keycap and key structure thereof - Google Patents

Method for manufacturing key structure with transparent keycap and key structure thereof Download PDF

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Publication number
CN101930860A
CN101930860A CN2009101462007A CN200910146200A CN101930860A CN 101930860 A CN101930860 A CN 101930860A CN 2009101462007 A CN2009101462007 A CN 2009101462007A CN 200910146200 A CN200910146200 A CN 200910146200A CN 101930860 A CN101930860 A CN 101930860A
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China
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light
layer
transmissive resin
resin layer
guide plate
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CN2009101462007A
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Chinese (zh)
Inventor
刘张礼
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Yijia Science & Technology Co Ltd
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Yijia Science & Technology Co Ltd
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Priority to CN2009101462007A priority Critical patent/CN101930860A/en
Publication of CN101930860A publication Critical patent/CN101930860A/en
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Abstract

The invention discloses a method for manufacturing a key structure with a transparent keycap and the key structure with a transparent keycap. A metal pattern layer is formed on a transparent resin layer of a keycap part, and two printing layers are formed on a transparent resin layer of a printing chromatic part, because the printing layers and the metal pattern layer are overlaid with a spacing height difference between the thicknesses of the two resin layers, protruded fonts on the key can be felt visually, and the key structure gives people a stereo feeling.

Description

Manufacturing has the method and the press-key structure thereof of the press-key structure of transparent keycap
Technical field
The present invention relates to a kind of press-key structure and method for making thereof, particularly relate to a kind of thin keypressing structure, it has the effect of the three-dimensional emersion of planar metal font.
Background technology
Electronic product for example mobile phone (Cell Phone), personal digital aid (PDA) (Personal Digital Assistant PDA) waits and can be provided with key board usually.Key board on the market mainly can be divided into the metal key-press keyboard and the generally comparatively common plastic press key keyboard of metallic luster at present.The font of the numeral on the key board of existing metallic luster or plastic cement, symbol and English words etc. is made in the keycap upper surface with printing or thunder carving mode usually, belongs to the sight visual sense of complanation.And often pushing under the use, the word of numeral, symbol and English words etc. is also peeled off easily and is damaged.And, the technology that font is formed at the keycap lower surface is arranged for protection and increase cubic appearance to font.
For example, the novel patent of TaiWan, China discloses a kind of key board of tool metal font for M353416 number, and as shown in Figure 1, its metal font is coated by transparent outer layer.This key board includes a base material 1 and a plurality of keycap 2.Base material 1 have on the contrary to first surface 11 and second surface 12, and base material 1 can be the soft materials part as rubber etc., but not as limit.Wherein, the second surface 12 of base material 1 is equipped with most convex bodys (plunger) 13.Keycap 2 is arranged at base material 1 top respectively, in the specific embodiment, is arranged on first surface 11 tops of base material 1.Each keycap 2 has an at least one metal font 21 and a transparent outer layer 22, being convexly equipped with on the surface of the photic zone 3 of correspondence of 21 one-tenth little shapes of metal font, and be positioned at first surface 11 tops of base material 1, and transparent outer layer 22 envelopes metal font 21, so that metal font 21 is inlayed the inside of being located at transparent outer layer 22.Wherein, metal font 21 is numeral, symbol, English words or aforesaid combination, is not limited.In addition, the thickness t that metal font 21 has preferably, between 0.05 to 0.06mm, can reach optimized effect between 0.04 to 0.07mm; And transparent outer layer 22 can be ultraviolet light (UV) glue and forms, and the convex body 13 of base material 1 corresponds respectively to the place, below of cap key 2.
Because the key board in the electronic product must be in response to slimming now and miniaturization, and takes into account aesthetic feeling and constantly development, to accord with the demands of the market, therefore still has required for so novel press-key structure.
Summary of the invention
A purpose of the present invention is to provide a kind of press-key structure and method for making thereof of transparent keycap, this kind press-key structure can have the profile of slimming and miniaturization, and the pattern on its button, though be to be close to planar metal, but effect with three-dimensional emersion, and the chromatography of can arranging in pairs or groups arbitrarily, for example can make effect with similar solar eclipse.
Have the specific embodiment of method of the press-key structure of transparent keycap according to manufacturing of the present invention, comprise the following steps.Form the step of a keycap portion, it comprises the following steps: to provide one first light-transmissive resin layer, it comprises a first surface and a second surface, first surface at the first light-transmissive resin layer forms one first metal pattern layer, and on the first surface of the first light-transmissive resin layer, form a key cap layer, cover first metal pattern layer.Form the step of a trapping printing portion, it comprises the following steps: to provide one second light-transmissive resin layer, it comprises one the 3rd surface and one the 4th surface, forming one first printed layers covers on the 4th surface, it comprises that a pattern corresponding to first metal pattern layer is the opposite pattern of actual situation, and formation one second printed layers covers first printed layers.The step of one light guide plate is provided, and it comprises one the 5th surface and one the 6th surface.And, with keycap portion, trapping printing portion, and light guide plate bonding and assemble, the second surface of the first light-transmissive resin layer and the 3rd surface of the second light-transmissive resin layer are faced one another, and the 4th surface of the second light-transmissive resin layer and the 5th surface of light guide plate are faced one another.
Comprise a keycap portion and a trapping printing portion according to the specific embodiment with press-key structure of transparent keycap of the present invention.Keycap portion comprises following: one first light-transmissive resin layer, it comprises a first surface and a second surface, one first metal pattern layer is arranged at the first surface of the first light-transmissive resin layer, reaches the first surface that a key cap layer is arranged at the first light-transmissive resin layer, covers first metal pattern layer.Trapping printing portion comprises following: one second light-transmissive resin layer, it comprises one the 3rd surface and one the 4th surface, one first printed layers, be covered on the 4th surface, it comprises that a pattern corresponding to first metal pattern layer is the opposite pattern of actual situation, and one second printed layers, be covered in first printed layers.Keycap portion is bonding with trapping printing portion, and the second surface of the first light-transmissive resin layer is faced mutually with the 3rd surface of the second light-transmissive resin layer.
According to the specific embodiment with press-key structure of transparent keycap of the present invention, comprise a circuit board, circuit board is provided with a plurality of metal clipss; One printing opacity soft resin or rubber layer, bonding with these metal clipss of circuit board respectively via a plurality of convex bodys; A plurality of keycap portion; And a plurality of trapping printing portion.Each keycap portion comprises one first light-transmissive resin layer, it comprises a first surface and a second surface, one first metal pattern layer is arranged at the first surface of the first light-transmissive resin layer, reaches the first surface that a key cap layer is arranged at the first light-transmissive resin layer, covers first metal pattern layer.Each trapping printing portion comprises: one second light-transmissive resin layer, it comprises one the 3rd surface and one the 4th surface, one first printed layers, be covered on the 4th surface, it comprises that a pattern corresponding to first metal pattern layer is the opposite pattern of actual situation, and one second printed layers, be covered in first printed layers, wherein the 4th surface is faced mutually with printing opacity soft resin or rubber layer.These trapping printing portions are arranged on printing opacity soft resin or the rubber layer corresponding to these convex bodys respectively, these keycap portions are arranged at respectively in these trapping printing portions, and the second surface of the first light-transmissive resin layer is faced mutually with the 3rd surface of the second light-transmissive resin layer.
Description of drawings
Fig. 1 is the key board of existing tool metal font;
Fig. 2 and Fig. 3 are respectively the part outside drawing and the corresponding part exploded view thereof of the press-key structure of specific embodiments of the invention;
Fig. 4 to Fig. 6 has the flow chart of three specific embodiments of method of the press-key structure of transparent keycap for manufacturing of the present invention;
Fig. 7 to Figure 10 is the phantom of four specific embodiments of the press-key structure with transparent keycap of the present invention.
The main element symbol description
1 base material, 2 keycaps
3 photic zones, 11 first surfaces
12 second surfaces, 13 convex bodys
21 metal fonts, 22 transparent outer layers
32 first light-transmissive resin layers, 34 first metal pattern layer
36 key cap layers, 42 second light-transmissive resin layers
44 first printed layers, 46 second printed layers
48 second metal pattern layer, 52 light guide plate
One one of a 52b light guide plate of 52a light guide plate
54 metal clipss adhesion sheet, 56 double faced adhesive tapes
57 adhesive-layers, 58 metal clipss
60 capacitive touch control plates, 62 convex bodys
70 circuit boards
101~103,201~209,301~308,401~406 steps
Embodiment
The method that has a press-key structure of transparent keycap according to manufacturing of the present invention comprise step, the step that forms a trapping printing portion that forms a keycap portion, the step that a light guide plate is provided and with this keycap portion, this trapping printing portion, to reach this light guide plate bonding and assemble, and makes the press-key structure with transparent keycap.
Following is the detailed description of each step, and sees also the part outside drawing of a press-key structure of a specific embodiment of Fig. 2 and Fig. 3 and corresponding part exploded view thereof.Form the step of a keycap portion, can comprise one first light-transmissive resin layer 32 is provided, its thickness is not specially limited, can be according to required and decide.Its material can be light-transmissive resin, can be for example PC (polycarbonate, Merlon) or PET (Poly (ethylene terephthalate), polyethylene terephthalate) in one embodiment.In this article, the meaning of " printing opacity " includes printing opacity and semi-transparent.There is no particular restriction for color.Then, form one first metal pattern layer 34 on a surface of the first light-transmissive resin layer, metal pattern can be numeral, symbol, English words or aforesaid combination, is not limited.The mode that forms first metal pattern layer for example can be: by metal inscription plate is fitted in the surface of the first light-transmissive resin layer, by forming at surface printing one metallic paint of the first light-transmissive resin layer or by surperficial sputter one metal level at the first light-transmissive resin layer.There is no particular restriction for the thickness of first metal pattern layer, can be for example 0.05mm or 0.1mm in the preferred embodiment of a manufacturing thin button according to required and decide.Its material is metal (for example aluminium, but be not limited thereto) or metallic coating.First metal pattern layer can be used to manifest literal or the figure on the button.Then, on the same surface of the first light-transmissive resin layer, form a key cap layer 36, cover the first metal layer 34.Form the mode of key cap layer 36, can be and for example use a UV-cured resin, utilize dispensing technology point glue on the first light-transmissive resin layer it, cover first metal pattern layer 34, and be the keycap shape, pass through ultraviolet light (UV light) again and be solidified to form UV-cured resin key (being called for short the GM key).There is no particular restriction for its shape, can be according to required and decide.
Form the step of trapping printing portion, can comprise one second light-transmissive resin layer 42 is provided, its thickness is not specially limited, can be according to required and decide.Its material is a light-transmissive resin, and there is no particular restriction for color, can be identical or different with the first light-transmissive resin layer 32.Then, on a surface of the second light-transmissive resin layer 42, form one first printed layers 44, it includes a pattern corresponding to first metal pattern layer 34 is the opposite pattern of actual situation, meaning promptly, when first metal pattern layer 34 was word bone shape (entity pattern), the position that 44 pairs of first printed layers should word bone shape was hollow (blank pattern); Or when first metal pattern layer 34 was pierced pattern (hollow pattern), the position that 44 pairs of first printed layers should pierced pattern had the entity pattern.We can say that also first printed layers 44 has shaded effect on the non-position corresponding to first metal pattern layer 34 of the second light-transmissive resin layer 42.Then, form second printed layers 46 and cover first printed layers 44, so,, can fill up second printed layers 46 at the blank pattern part of first printed layers 44 corresponding to first metal pattern layer 34.Therefore, from another surface of the second light-transmissive resin layer 42, can see second printed layers 46 that is not covered by first printed layers 44.After stacked keycap portion and trapping printing portion, second printed layers 46 is not covered by first printed layers 42 and the part that appears can be positioned at first metal pattern layer, 34 belows, sets off the pattern of first metal pattern layer 34.First printed layers 44 and second printed layers 46 can be respectively mode by printing color layer or ink lay form, the color of the color of first printed layers 44 and second printed layers 46 can be identical or different, can arrange in pairs or groups mutually with first metal pattern layer 34, there is no particular restriction, and according to required and decide.Moreover the present invention also is not limited to and only uses two layers of printed layers, and color and effect that more multi-layered printed layers is desired to provide can be provided.
Make in the specific embodiment of thin button of the present invention one, the first light-transmissive resin layer and the second light-transmissive resin layer thickness can be respectively for example 0.125mm; Or first the light-transmissive resin layer thickness be 0.1mm, the second light-transmissive resin layer thickness is 0.4mm.
In the step that a light guide plate (not being shown in Fig. 2 and Fig. 3) is provided, the light guide plate that is provided can (for example in the other position of the convex body of lower surface) have micro-structural on the surface, in order to the function of leaded light.One or more light-emitting diode chip for backlight unit can be arranged at one side of light guide plate, light becomes the backlight of button via the guiding of light guide plate.
At last, with keycap portion, trapping printing portion, and light guide plate bonding and assemble.Wherein, another surface (it is not provided with the one side of first metal pattern layer and key cap layer) that makes the first light-transmissive resin layer 32 faces one another with the another side (it does not apply the one side of first printed layers and second printed layers) of the second light-transmissive resin layer 42, and the one side of the one side that is coated with first printed layers 44 and second printed layers 46 that makes the second light-transmissive resin layer 42 and light guide plate faces one another.The mode of assembling can be for example uses an adhesion coating (for example viscose glue or two-sided tape) with bonding between keycap portion and trapping printing portion and between trapping printing portion and light guide plate respectively, and viscose glue or two-sided tape can be light transmission.In addition, in twos between the parts, the setting of miscellaneous part can be arranged still at this, there is no particular restriction for this.
After assembling, because the pattern that first printed layers 44 has corresponding to first metal pattern layer 34 is that the opposite pattern of actual situation and second printed layers 46 can be appeared by the hollow pattern of first printed layers 44, so after stacked about keycap portion and the trapping printing portion, the pattern of first metal pattern layer 34 and second printed layers 46 is mutually stacked and have a difference in height of two transparent resin layers, so visually, make originally to the font on suitable plane or figure have third dimension, or the effect of emersion.And second printed layers 46 sets off its figure below first metal pattern layer 34 under the shaded effect of first printed layers 44, via irradiation backlight, the user is may be seen indistinctly, and when for example the print nest chromatograph provides redness, can become the class solar eclipse effect with suitable aesthetic feeling.
In addition, can form one second metal pattern layer in another surface of the second light-transmissive resin layer (it does not apply the one side of first printed layers and second printed layers), the pattern that this second metal pattern layer can have corresponding to first metal pattern layer is the pattern of hollow out.Moreover, can make between the pattern of the pattern of second metal pattern layer and first metal pattern layer, look it with the projection of stacked up and down direction, have the space, the user can see first printed layers at the back side via the space.
When making keycap portion, can on a sheet material, form a plurality of keycap portion simultaneously, for example come moulding, or come moulding in the mode of a plurality of diffusing keys with the button design outline of whole keyboard (for example cell phone keyboard).When making trapping printing portion, also can be like this.So, when die-cut, have two kinds of modes.The first can punch out the keyboard profile respectively with keycap portion and trapping printing portion earlier, and is bonding and assemble with this light guide plate again.Another be keycap portion and trapping printing portion can be given earlier bonding after, punch out a plurality of diffusing keys again, can loose a key and a printing opacity rubber layer and light guide plate is bonding and assemble, the printing opacity rubber layer is between diffusing key and light guide plate.
Moreover, can the another side and a circuit board of light guide plate is bonding.This circuit board is provided with at least one metal clips.Can be with the bonding convex body of this another side of light guide plate, and bonding via the metal clips of convex body and circuit board, or this another surface of light guide plate is one-body molded with convex body, and light guide plate is bonding via the metal clips of convex body and circuit board.
Under list several specific embodiments.Fig. 4 shows the flow chart of first specific embodiment of method that has the press-key structure of transparent keycap according to manufacturing of the present invention.As shown in Figure 4, aspect the step that forms keycap portion, at first, carry out step 101, check inscription plate pan feeding and PC film pan feeding provide the PC film as the first light-transmissive resin layer.Carry out step 102, fit in the PC film will engrave plate.Carry out step 103, on the PC film, carry out the moulding of UV key,, cover the inscription version as key cap layer.So can finish the making of keycap portion.Aspect the step that forms trapping printing portion, at first, carry out step 201, check PC film pan feeding is to provide the PC film as the first light-transmissive resin layer.Carry out step 202, at PC film back up black light shield layer, as first printed layers.Carry out step 203, baking PC film.This step is to decide according to the character of first printed layers.Carry out step 204, in the red chromatography of PC film back up, as second printed layers.So can finish the making of trapping printing portion.Carry out step 205, keycap portion and trapping printing portion are punched out the cell phone keyboard external form respectively.Carry out the quality control (QC) of step 206.Providing aspect the step of light guide plate, at first, carry out step 301, the charging of check PC film.Carry out step 302, design light guide plate picture on surface (pattern).Carry out step 303, this picture on surface is carried out the optical analog analysis.Carry out step 304, Mould Machining is had the mould of light guide plate pattern with formation, and can form the convex body shape in the lump.Carry out step 305, in mould, insert the uv-curable resin.Carry out step 306, irradiation UV light is to be solidified to form pattern.Further carry out the quality control of step 307.Then, carry out step 308,, form press-key structure die-cut good keycap portion and trapping printing portion and light guide plate assembling.
Fig. 5 shows the flow chart of second specific embodiment of method that has the press-key structure of transparent keycap according to manufacturing of the present invention.In this specific embodiment, press-key structure has two layers of metal pattern layer.Aspect the step that forms keycap portion, identical with first specific embodiment shown in Figure 4.Aspect the step that forms trapping printing portion, at first, carry out step 207, check inscription plate pan feeding and PC film pan feeding providing the PC film as the first light-transmissive resin layer, and provide and engrave plate as second metal pattern layer.Carry out step 202,203 then, reach 204, as described in first specific embodiment.Carry out step 208 then, the plate of will engraving fits in the PC film.Then, carry out step 205, keycap portion and trapping printing portion are punched out the cell phone keyboard external form respectively.Carry out the quality control of step 206.Providing aspect the step of light guide plate, identical with first specific embodiment shown in Figure 4.Further carry out the quality control of step 307 then.Then, carry out step 308,, form press-key structure die-cut good keycap portion and trapping printing portion and light guide plate assembling.
Fig. 6 shows the flow chart of the 3rd specific embodiment of method that has the press-key structure of transparent keycap according to manufacturing of the present invention.In this specific embodiment, press-key structure is to use the key that looses to assemble, and the use of TPU (thermoplastic polyurethane elastomer, heat plasticity polyurethane elastic body) layer is arranged.Aspect the step that forms keycap portion, identical with first specific embodiment shown in Figure 4.Aspect the step that forms trapping printing portion, identical with first specific embodiment shown in Figure 4.Then, carry out step 209, keycap portion and trapping printing portion are carried out of bonding NC (numeral control, Numerical Control) processing, punch out diffusing key respectively.Then, carry out the quality control of step 206.Providing aspect the step of light guide plate, identical with first specific embodiment shown in Figure 4.Aspect the use of TPU layer, at first, carry out step 401, check TPU film pan feeding.Carry out step 402, with the process black light shield layer, the baking of carrying out step 403 is with drying.Carry out the die-cut of step 404, carry out step 405 again, punch out the keyboard external form.Carry out step 406 to paste gum.Then, carry out step 308, with die-cut good keycap portion, trapping printing portion, TPU film, with the light guide plate assembling, form press-key structure.
In another aspect of this invention, also provide press-key structure with transparent keycap.Fig. 7 to Figure 10 shows the phantom of four specific embodiments of the press-key structure with transparent keycap of the present invention.
As shown in Figure 7, the press-key structure of transparent keycap comprises a keycap portion and a trapping printing portion.Keycap portion comprises that one first light-transmissive resin layer, 32, one first metal pattern layer 34 are arranged at the upper surface of the first light-transmissive resin layer 32, reaches a key cap layer 36 and is arranged on the upper surface of the first light-transmissive resin layer 32, and cover first metal pattern layer 34.Trapping printing portion comprises one second light-transmissive resin layer 42, and the lower surface of its upper surface and the first light-transmissive resin layer 32 binds with double faced adhesive tape 56.One first printed layers 42 covers the lower surface of the second light-transmissive resin layer 42, comprises that a pattern corresponding to first metal pattern layer 34 is the opposite pattern of actual situation.One second printed layers 46 is covered in first printed layers 44.
Fig. 7 further shows a light guide plate 52, its with second printed layers 46 of the second light-transmissive resin layer 42 with double faced adhesive tape 56 bondings.Light guide plate 52 is one-body molded with convex body.Light guide plate 52 is further binded with the metal clips 58 of a circuit board 70 via convex body, and total is positioned on the circuit board.58 of metal clipss be by metal clips adhesion sheet 54 fit in circuit board 70 on.
The press-key structure of the transparent keycap that Fig. 8 shows, different with Fig. 7 be in, it further comprises one second metal pattern layer 48, its pattern that has corresponding to first metal pattern layer 34 is the pattern of hollow out.As shown in Figure 8, between the pattern of the pattern of second metal pattern layer 48 and first metal pattern layer 34, look it with the projection of stacked up and down direction, have the space, the user is via first printed layers 44 of space visible part.
Show further that in Fig. 8 light guide plate can be two structures that 52a and 52b formed.52a and 52b can be the PC film of optical grade.
The press-key structure of the transparent keycap that Fig. 9 shows, different with Fig. 7 be in, it further comprises a capacitive touch control plate 60, its lower surface with light guide plate 52 is bonding, capacitive touch control plate 60 is again via convex body 62 and capacitive touch control plate 60 bondings.Be noted that be used for adhesive-layer 57 that bonding each parts use be covered with between bonding each parts, influence touch controllable function to avoid the space occurring.
Above-mentioned Fig. 7,8, and 9 can be respectively and show that keycap portion and trapping printing portion are the phantom of the press-key structure of a keyboard profile.Figure 10 then is that keycap portion and trapping printing portion are the phantom of the press-key structure of diffusing key profile.Figure 10 is different with Fig. 7 be in, keycap portion and trapping printing portion are die-cut into the key profile of loosing, and are bonded in then on the light guide plate 52.
The press-key structure of Figure 10 can further comprise a printing opacity soft resin or rubber layer (figure does not show) for another example, and it can be bonding with the metal clips of circuit board respectively via a plurality of convex bodys.The trapping printing portion of each diffusing key then is arranged on corresponding to convex body on printing opacity soft resin or the rubber layer, and each keycap portion then is separately positioned in each trapping printing portion.Soft resin or rubber layer can increase the user by the comfort of touching.
The present invention utilizes the setting of double-deck chromatography and two-layer film to get difference in height discard, makes font or pattern have the emersion effect or has third dimension.And can further capacitance touch control board be included in structure easily.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (27)

1. a manufacturing has the method for the press-key structure of transparent keycap, comprising:
Form a keycap portion, it comprises following:
One first light-transmissive resin layer is provided, and it comprises a first surface and a second surface,
This first surface at this first light-transmissive resin layer forms one first metal pattern layer, and
On this first surface of this first light-transmissive resin layer, form a key cap layer, cover this first metal pattern layer;
Form a trapping printing portion, it comprises following:
One second light-transmissive resin layer is provided, and it comprises one the 3rd surface and one the 4th surface,
Form one first printed layers and cover on the 4th surface, it comprises that a pattern corresponding to this first metal pattern layer is the opposite pattern of actual situation, and
Form one second printed layers and cover this first printed layers;
One light guide plate is provided, and it comprises one the 5th surface and one the 6th surface; And
With this keycap portion, this trapping printing portion, and this light guide plate bonding and assemble, this second surface of this first light-transmissive resin layer and the 3rd surface of this second light-transmissive resin layer are faced one another, and the 4th surface of this second light-transmissive resin layer and the 5th surface of this light guide plate are faced one another.
2. the method for claim 1 further comprises:
One circuit board is provided, and this circuit board is provided with at least one metal clips; And
With the bonding convex body in the 6th surface of this light guide plate, and bonding via this metal clips of this convex body and this circuit board.
3. the method for claim 1, wherein the 6th of this light guide plate the surface is integrally formed with a convex body, and this method further comprises:
One circuit board is provided, and this circuit board is provided with at least one metal clips; And
The 6th surface of this light guide plate is bonding via this metal clips of this convex body and this circuit board.
4. the method for claim 1 wherein forms this first metal pattern layer by this second surface that metal inscription plate is fitted in this first light-transmissive resin layer.
5. the method for claim 1 is wherein printed a metallic paint by this second surface at this first light-transmissive resin layer and is formed this first metal pattern layer.
6. the method for claim 1 wherein forms this first metal pattern layer by this second surface sputter one metal level at this first light-transmissive resin layer.
7. the method for claim 1 further forms one second metal pattern layer on the 3rd surface of this second light-transmissive resin layer, and this second metal pattern layer comprises that the pattern corresponding to this first metal pattern layer is the pattern of hollow out.
8. the method for claim 1, wherein with this keycap portion, this trapping printing portion, and this light guide plate step for adhering be included in to reach between this keycap portion and this trapping printing portion and between this trapping printing portion and this light guide plate, use an adhesion coating respectively with bonding.
9. the method for claim 1, wherein this key cap layer comprises a UV-cured resin.
10. the method for claim 1 further is arranged at a light-emitting diode chip for backlight unit one side of this light guide plate.
11. the method for claim 1 wherein punches out the keyboard profile respectively with this keycap portion and this trapping printing portion, and is bonding and assemble with this light guide plate again.
12. the method for claim 1, wherein this keycap portion and this trapping printing portion are punched out a plurality of diffusing keys after bonding, other provides a printing opacity rubber layer, at least one and this printing opacity rubber layer of these a plurality of diffusing keys and this light guide plate is bonding and assemble, and wherein this rubber layer is between this at least one diffusing key and this light guide plate.
13. the press-key structure with transparent keycap comprises:
Keycap portion, it comprises following:
The first light-transmissive resin layer, it comprises first surface and second surface,
First metal pattern layer is arranged at this first surface of this first light-transmissive resin layer, and
Key cap layer is arranged at this first surface of this first light-transmissive resin layer, covers this first metal pattern layer; And
Trapping printing portion, it comprises following:
The second light-transmissive resin layer, it comprises the 3rd surface and the 4th surface,
First printed layers is covered on the 4th surface, and it comprises that a pattern corresponding to this first metal pattern layer is the opposite pattern of actual situation, and
Second printed layers is covered in this first printed layers,
Wherein, this keycap portion is bonding with this trapping printing portion, and this second surface of this first light-transmissive resin layer is faced mutually with the 3rd surface of this second light-transmissive resin layer.
14. press-key structure as claimed in claim 13 comprises that further light guide plate and this trapping printing portion are bonding, wherein this light guide plate comprises the 5th surface and the 6th surface, and the 5th surface is faced mutually with the 4th surface of this second light-transmissive resin layer.
15. press-key structure as claimed in claim 14, wherein, under backlight mode starts, this second printed layers by this first printed layers, this second light-transmissive resin layer, and this first light-transmissive resin layer send the radiance of this second printed layers color, and set off the pattern of this first metal pattern layer.
16. press-key structure as claimed in claim 14 further comprises:
Circuit board, this circuit board is provided with at least one metal clips, and is bonding via the 6th surface of a convex body and this light guide plate.
17. press-key structure as claimed in claim 16, wherein the 6th of this convex body and this light guide plate the surface is one-body molded.
18. press-key structure as claimed in claim 13, wherein this first metal pattern layer comprises metal inscription plate, operplate printing layer or metal sputtering layer.
19. press-key structure as claimed in claim 13 further comprises second metal pattern layer, is positioned at the 3rd surface of this second light-transmissive resin layer, it has the pattern corresponding to this first metal pattern layer.
20. press-key structure as claimed in claim 19, wherein between the pattern of the pattern of this second metal pattern layer and this first metal pattern layer, projection with stacked up and down direction is looked it, has the space, and the user is via this first printed layers or this second printed layers of this space visible part.
21. press-key structure as claimed in claim 14, wherein this keycap portion, this trapping printing portion, and this light guide plate between the bonding adhesion coating that uses respectively.
22. press-key structure as claimed in claim 13, wherein this key cap layer comprises a UV-cured resin.
23. press-key structure as claimed in claim 13, wherein this first light-transmissive resin layer comprises PC or PET.
24. press-key structure as claimed in claim 13, wherein this second light-transmissive resin layer comprises PC or PET.
25. press-key structure as claimed in claim 13 comprises that further light-emitting diode chip for backlight unit is arranged at one side of this light guide plate.
26. press-key structure as claimed in claim 14 further comprises:
Capacitive touch control plate, the 6th surface of itself and this light guide plate is bonding, and
Circuit board, this circuit board is provided with at least one metal clips, and is bonding via a convex body and this capacitive touch control plate.
27. the press-key structure with transparent keycap comprises:
Circuit board, this circuit board is provided with a plurality of metal clipss;
Printing opacity soft resin or rubber layer, bonding with these a plurality of metal clipss of this circuit board respectively via a plurality of convex bodys;
A plurality of keycap portion, each keycap portion comprises following:
The first light-transmissive resin layer, it comprises first surface and second surface,
First metal pattern layer is arranged at this first surface of this first light-transmissive resin layer, and
Key cap layer is arranged at this first surface of this first light-transmissive resin layer, covers this first metal pattern layer;
A plurality of trapping printing portion, each trapping printing portion comprises following:
The second light-transmissive resin layer, it comprises the 3rd surface and the 4th surface,
First printed layers is covered on the 4th surface, and it comprises that a pattern corresponding to this first metal pattern layer is the opposite pattern of actual situation, and
Second printed layers is covered in this first printed layers, and wherein the 4th surface is faced mutually with this printing opacity soft resin or rubber layer;
Wherein, this a plurality of trapping printing portion is arranged on this printing opacity soft resin or the rubber layer corresponding to these a plurality of convex bodys respectively, this a plurality of keycap portion is arranged at respectively in this a plurality of trapping printing portion, and this second surface of this first light-transmissive resin layer is faced mutually with the 3rd surface of this second light-transmissive resin layer.
CN2009101462007A 2009-06-18 2009-06-18 Method for manufacturing key structure with transparent keycap and key structure thereof Pending CN101930860A (en)

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Application Number Priority Date Filing Date Title
CN2009101462007A CN101930860A (en) 2009-06-18 2009-06-18 Method for manufacturing key structure with transparent keycap and key structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101462007A CN101930860A (en) 2009-06-18 2009-06-18 Method for manufacturing key structure with transparent keycap and key structure thereof

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CN101930860A true CN101930860A (en) 2010-12-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI494961B (en) * 2014-08-19 2015-08-01 Darfon Electronics Corp Transparent Key Switch, Transparent Keycap and Manufacturing of Transparent Keycap
CN109767945A (en) * 2019-01-18 2019-05-17 上海欧力雅实业有限公司 A kind of thin film switch and its processing technology
CN112987990A (en) * 2019-12-13 2021-06-18 恩坦华产品有限公司 Three-dimensional icon for use with switch and method of manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI494961B (en) * 2014-08-19 2015-08-01 Darfon Electronics Corp Transparent Key Switch, Transparent Keycap and Manufacturing of Transparent Keycap
CN109767945A (en) * 2019-01-18 2019-05-17 上海欧力雅实业有限公司 A kind of thin film switch and its processing technology
CN112987990A (en) * 2019-12-13 2021-06-18 恩坦华产品有限公司 Three-dimensional icon for use with switch and method of manufacturing the same

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Application publication date: 20101229