CN102253720A - Luminescent keyboard - Google Patents
Luminescent keyboard Download PDFInfo
- Publication number
- CN102253720A CN102253720A CN2010101780093A CN201010178009A CN102253720A CN 102253720 A CN102253720 A CN 102253720A CN 2010101780093 A CN2010101780093 A CN 2010101780093A CN 201010178009 A CN201010178009 A CN 201010178009A CN 102253720 A CN102253720 A CN 102253720A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- light
- flexible circuit
- illuminated keyboard
- emitting component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000010409 thin film Substances 0.000 claims abstract description 6
- 239000010408 film Substances 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 18
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004425 Makrolon Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- HGAZMNJKRQFZKS-UHFFFAOYSA-N chloroethene;ethenyl acetate Chemical compound ClC=C.CC(=O)OC=C HGAZMNJKRQFZKS-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Images
Landscapes
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a luminescent keyboard, comprising a plurality of keys, a thin film circuit board, a luminescent element and a base, wherein the luminescent element is used as a light source of the luminescent keyboard, and the base is used for carrying the keys, the thin film circuit board and the luminescent element. In the invention, the thin film circuit board is provided with at least one element made of a light guiding material, so that the thin film circuit board has a light guiding function; in addition, because a first flexible circuit board, a spacing board or a second flexible circuit board, made from the light guiding material, is provided with a plurality of refraction points for refracting light rays, the luminescent keyboard has the effects of simple structure and reduced keyboard thickness.
Description
Technical field
The present invention relates to keyboard, relate in particular to a kind of keyboard with lighting function.
Background technology
In recent years, because the information industry development is rapid, many users may use portable information apparatus under varying environment, for example notebook computer or personal digital assistant etc.At the more weak environment of light, the user may not see numeral and the literal that is indicated on Chu's keyboard, causes operating difficulties, severe patient even may allow visual impairment because of inadequate identification button sign.Therefore, the release of illuminated keyboard can improve on the inconvenience that the insufficient light place uses keyboard.Moreover,, can make and use the massaging device of illuminated keyboard to seem more attractive in appearance and then increase its market by different luminous configurations.
See also Fig. 1, it is the structural profile synoptic diagram of existing illuminated keyboard.Illuminated keyboard 1 comprises casing 10, reflecting piece 11, light guide plate 12, film circuit board 13, elastic body 14, a plurality of button 15 and light-emitting component 16, wherein, film circuit board 13 has first flexible circuit board 131, second flexible circuit board 132 and the space bar 133 between first and second flexible circuit board 131,132, and first, second flexible circuit board 131,132 and space bar 133 are made by transparent material, and transparent material is polycarbonate (PC) or tygon (PE) etc.Moreover, first flexible circuit board 131 has a plurality of upper contacts 1311 corresponding to a plurality of buttons 15, and second flexible circuit board 132 has a plurality of contacts 1321 down corresponding to a plurality of buttons 15, and space bar 133 has a plurality of contact perforates 1331 corresponding to a plurality of buttons 15.
When user's application of force was pushed arbitrary button 15, its corresponding upper contact 1311 was via the corresponding contact 1321 down of corresponding contact perforate 1331 contacts, reached whereby to electrically conduct so that illuminated keyboard 1 produces a push button signalling.In addition, light-emitting component 16 is arranged at the both sides of light guide plate 12, in order to being provided, light injects light guide plate 12, and light guide plate 12 upwards is projected to light film circuit board 13, elastic body 14 and a plurality of button 15 equably, make a plurality of buttons 15 produce illumination effect, moreover, for can being improved, the light that light-emitting component 16 is provided utilizes, and can upwards reflection by the light of light guide plate 12 projection downwards via the auxiliary of reflecting piece 11.
From the above, the shortcoming of existing illuminated keyboard is that its structure needs folded layer by layer establishing, and not only expends manufacturing cost, assembling is time-consuming, and more because of the number of elements of forming, and makes that thickness is difficult for reducing, and can't satisfy the demand of product slimming now.
Summary of the invention
The technical problem to be solved in the present invention is, at the prior art above shortcomings, provides a kind of the simplification to form structure to reduce the illuminated keyboard of manufacturing cost and keyboard thickness.
The technical solution adopted for the present invention to solve the technical problems provides a kind of illuminated keyboard, comprising:
A plurality of buttons;
Film circuit board is provided with a plurality of thin film switches that should a plurality of buttons, comprises first flexible circuit board, space bar and second flexible circuit board, and wherein, this first flexible circuit board has first circuit pattern, and this first circuit pattern is provided with a plurality of upper contacts; This space bar has a plurality of contact perforates; This second flexible circuit board and this space bar of the common clamping of this first flexible circuit board, and this second flexible circuit board has the second circuit pattern, this second circuit pattern are provided with should a plurality of upper contacts and a plurality of times contacts of this a plurality of contact perforates; One of at least be to make in this first flexible circuit board, this space bar and this second flexible circuit board, and be provided with a plurality of refraction points in order to refracted ray by first flexible circuit board, space bar or second flexible circuit board that this optical material is made by optical material;
At least one light-emitting component is in order to the light source as this illuminated keyboard; And
Base is arranged at the below of this film circuit board, in order to carrying these a plurality of buttons, this film circuit board and this light-emitting component.
This light-emitting component is arranged at the lateral margin of this second flexible circuit board or is embedded in this film circuit board.
This light-emitting component is for providing the light emitting diode of visible light.
This light-emitting component is for providing the light emitting diode of invisible light, and these a plurality of buttons, this light guide plate, these two flexible circuit boards or this base be added fluorescer, in order to invisible light is converted to visible light.
This base has loading end, and this loading end made by metal mirror material, in order to reflect the light that this light-emitting component provides.
This first flexible circuit board is made by polyethylene terephthalate (PET) material.
This optical material is polycarbonate (PC) material or acryl plastics (PMMA), and by these a plurality of refraction points for a plurality of in order to conduct the site of the light that this light-emitting component provides.
The present invention adopts optical material one of to make in its first flexible circuit board, second flexible circuit board and the space bar at least, make its film circuit board have light-guiding function, therefore do not need that light guide plate additionally is set in the middle of the element of illuminated keyboard of the present invention again and carry out leaded light, this will effectively simplify the structure of illuminated keyboard, reduce the thickness of illuminated keyboard, not only make the illuminated keyboard assembling more easy, also can save manufacturing cost.
Description of drawings
Fig. 1 is the cross-sectional view of existing illuminated keyboard.
Fig. 2 is the cross-sectional view of illuminated keyboard preferred embodiment of the present invention.
Fig. 3 is the partial enlarged drawing of illuminated keyboard shown in Figure 2.
Fig. 4 is the three-dimensional exploded view of the film circuit board of illuminated keyboard preferred embodiment of the present invention.
Fig. 5 for illuminated keyboard preferred embodiment of the present invention by the second made flexible circuit board synoptic diagram of optical material.
Embodiment
See also Fig. 2 and Fig. 3, Fig. 2 is the cross-sectional view of illuminated keyboard preferred embodiment of the present invention, and Fig. 3 is the partial enlarged drawing of illuminated keyboard shown in Figure 2.Illuminated keyboard 2 comprises base 20, a plurality of button 21, film circuit board 22, elastic body 23 and light-emitting component 24, and film circuit board 22 comprises first flexible circuit board 221, second flexible circuit board 222 and the space bar 223 of being seized on both sides by the arms jointly by first flexible circuit board 221 and second flexible circuit board 222.
Please consult Fig. 4 synchronously, it is the three-dimensional exploded view of the film circuit board of illuminated keyboard preferred embodiment of the present invention.First flexible circuit board 221 has first circuit pattern 2211, and first circuit pattern 2211 is provided with a plurality of upper contacts 22111 corresponding to a plurality of buttons 21, and second flexible circuit board 222 has second circuit pattern 2221, and second circuit pattern 2221 is provided with a plurality of contacts 22211 down corresponding to a plurality of buttons 21, separate out with space bar 223 between a plurality of upper contacts 22111 and a plurality of following contact 22211, and space bar 223 is provided with corresponding to a plurality of upper contacts 22111 and a plurality of a plurality of contact perforates 2231 of contact 22211 down, when user's application of force is pushed arbitrary button 21, its corresponding upper contact 22111 contacts corresponding contact 22211 down via corresponding contact perforate 2231, reaches whereby to electrically conduct so that illuminated keyboard 2 produces a push button signalling.In addition, base 20 is arranged at the below of film circuit board 22, it has a loading end 210, and in order to carry a plurality of buttons 21, film circuit board 22 and light-emitting component 24, and elastic body 23 is arranged between a plurality of buttons 21 and the film circuit board 22, in order to elastic force to be provided button 21 can be restored to the original state when stopping to be applied in pressure.
Moreover, first flexible circuit board 221, second flexible circuit board 222 and space bar 223 are transparent material and make, wherein, arbitrary made in first flexible circuit board 221, second flexible circuit board 222 and the space bar 223 by optical material, certainly, first flexible circuit board 221, second flexible circuit board 222 and space bar 223 can all be made by optical material also.
Preferably, but it is non-in order to restriction the present invention, in the present embodiment, first flexible circuit board 221 is that polyethylene terephthalate (PET) material is made, second flexible circuit board 222 is made by optical material, and this optical material can be polycarbonate (PC) material or acryl plastics (PMMA).See also Fig. 5, its for illuminated keyboard preferred embodiment of the present invention by the second made flexible circuit board synoptic diagram of optical material, optical material need have the high reflectance and the characteristic of extinction not, and be provided with a plurality of sites 2222 in order to the light that provided of conduction light-emitting component 24 by the second made flexible circuit board 222 of optical material, wherein, if the proper optical characteristics of second flexible circuit board 222 that will make of position configuration of a plurality of sites 2222 reaches the requirement of high brightness and brightness uniformity, yet the method for the Position Design of a plurality of sites 2222 is well known to those of ordinary skill in the art, is no longer given unnecessary details at this.
In addition, light-emitting component 24 is in order to the light source as illuminated keyboard 2, and be arranged at the lateral margin of second flexible circuit board 222 or be embedded in film circuit board 22, when light can be injected second flexible circuit board 222, second flexible circuit board 222 can upwards be projected to light first flexible circuit board 221, elastic body 23 and a plurality of button 21 equably, make a plurality of buttons 21 produce illumination effect, allow the user in the not good environment of illumination, still accurately pressing keys 21 positions and unlikely input error.
With present embodiment, light-emitting component 24 can be the light emitting diode that visible light is provided, also can be the light emitting diode that invisible light is provided, when light-emitting component 24 when the light emitting diode of invisible light is provided, as long as with a plurality of buttons 21 (as symbol area), second flexible circuit board 222 (as a plurality of dot area on it), first flexible circuit board 221 or base 20 etc. need luminous zone to add fluorescer, can convert the invisible light that light-emitting component 24 is provided to visible light, the advantage of the method do not need to be luminous zone can not cross by force because of light light leak to occur, effectively increase the effective utilization of light.Moreover, for can being improved, the light that light-emitting component 24 is provided utilizes, loading end 210 in the present embodiment is made by metal mirror material, and the light that leakage is downwards penetrated in order to the effect that minute surface is provided can up be reflexed to film circuit board 22, elastic body 23 and a plurality of button 21.
What specify is, because first flexible circuit board 221 among the present invention, one of at least made in second flexible circuit board 222 and the space bar 223 by optical material, and first flexible circuit board of making by this optical material 221, a plurality of sites 2222 in order to the light that provided of conduction light-emitting component 24 are provided on the space bar 223 or second flexible circuit board 222, make film circuit board 22 have light-guiding function, therefore do not need that light guide plate additionally is set in the middle of the element of illuminated keyboard 2 again and carry out leaded light, this will effectively simplify the structure of illuminated keyboard 2, and the thickness of reduction illuminated keyboard 2, not only make the assembling of illuminated keyboard 2 more easy, also can save manufacturing cost.
The above is preferred embodiment of the present invention only, is not in order to limiting claim scope of the present invention, and therefore all other do not break away from the equivalence of being finished under the disclosed spirit and change or modify, and all should be contained in the scope of the present invention.
Claims (7)
1. an illuminated keyboard is characterized in that, comprising:
A plurality of buttons;
Film circuit board is provided with a plurality of thin film switches that should a plurality of buttons, comprises first flexible circuit board, space bar and second flexible circuit board, and wherein, this first flexible circuit board has first circuit pattern, and this first circuit pattern is provided with a plurality of upper contacts; This space bar has a plurality of contact perforates; This second flexible circuit board and this space bar of the common clamping of this first flexible circuit board, and this second flexible circuit board has the second circuit pattern, this second circuit pattern are provided with should a plurality of upper contacts and a plurality of times contacts of this a plurality of contact perforates; One of at least be to make in this first flexible circuit board, this space bar and this second flexible circuit board, and be provided with a plurality of refraction points in order to refracted ray by first flexible circuit board, space bar or second flexible circuit board that this optical material is made by optical material;
At least one light-emitting component is in order to the light source as this illuminated keyboard; And
Base is arranged at the below of this film circuit board, in order to carrying these a plurality of buttons, this film circuit board and this light-emitting component.
2. illuminated keyboard as claimed in claim 1 is characterized in that: this light-emitting component is arranged at the lateral margin of this second flexible circuit board or is embedded in this film circuit board.
3. illuminated keyboard as claimed in claim 1 is characterized in that: this light-emitting component is for providing the light emitting diode of visible light.
4. illuminated keyboard as claimed in claim 1, it is characterized in that: this light-emitting component is for providing the light emitting diode of invisible light, and these a plurality of buttons, this light guide plate, these two flexible circuit boards or this base are added fluorescer, in order to invisible light is converted to visible light.
5. illuminated keyboard as claimed in claim 1 is characterized in that: this base has loading end, and this loading end made by metal mirror material, in order to reflect the light that this light-emitting component provides.
6. illuminated keyboard as claimed in claim 1 is characterized in that: this first flexible circuit board is made by the polyethylene terephthalate material.
7. illuminated keyboard as claimed in claim 1 is characterized in that: this optical material is makrolon material or acryl plastics, and these a plurality of refraction points for a plurality of in order to conduct the site of the light that this light-emitting component provides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101780093A CN102253720A (en) | 2010-05-18 | 2010-05-18 | Luminescent keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101780093A CN102253720A (en) | 2010-05-18 | 2010-05-18 | Luminescent keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102253720A true CN102253720A (en) | 2011-11-23 |
Family
ID=44981022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101780093A Pending CN102253720A (en) | 2010-05-18 | 2010-05-18 | Luminescent keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102253720A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013104122A1 (en) * | 2012-01-11 | 2013-07-18 | 江苏传艺科技有限公司 | Light guide circuit board module for illuminating keyboard of laptop |
| CN105575708A (en) * | 2015-12-30 | 2016-05-11 | 江苏传艺科技股份有限公司 | Backlight keyboard |
| CN105990063A (en) * | 2014-12-16 | 2016-10-05 | 群光电子股份有限公司 | Key structure with light-emitting function and thin-film circuit board with light-guiding function |
| CN107402637A (en) * | 2016-05-20 | 2017-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6720892B1 (en) * | 1998-12-08 | 2004-04-13 | Thomson-Csf Sextant | Electronic keyboard with luminous keys |
| CN101436478A (en) * | 2007-11-15 | 2009-05-20 | 光宝科技股份有限公司 | Luminous keyboard |
| CN201311616Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Integrated light-emitting keyboard |
-
2010
- 2010-05-18 CN CN2010101780093A patent/CN102253720A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6720892B1 (en) * | 1998-12-08 | 2004-04-13 | Thomson-Csf Sextant | Electronic keyboard with luminous keys |
| CN101436478A (en) * | 2007-11-15 | 2009-05-20 | 光宝科技股份有限公司 | Luminous keyboard |
| CN201311616Y (en) * | 2008-10-22 | 2009-09-16 | 兴隆发电子股份有限公司 | Integrated light-emitting keyboard |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013104122A1 (en) * | 2012-01-11 | 2013-07-18 | 江苏传艺科技有限公司 | Light guide circuit board module for illuminating keyboard of laptop |
| CN105990063A (en) * | 2014-12-16 | 2016-10-05 | 群光电子股份有限公司 | Key structure with light-emitting function and thin-film circuit board with light-guiding function |
| CN105990063B (en) * | 2014-12-16 | 2018-06-08 | 群光电子股份有限公司 | Key structure with light-emitting function and thin-film circuit board with light-guiding function |
| CN105575708A (en) * | 2015-12-30 | 2016-05-11 | 江苏传艺科技股份有限公司 | Backlight keyboard |
| CN107402637A (en) * | 2016-05-20 | 2017-11-28 | 致伸科技股份有限公司 | Luminous keyboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111123 |