CN103681067A - Membrane keyboard with all-key conflict-free and special backlight functions - Google Patents
Membrane keyboard with all-key conflict-free and special backlight functions Download PDFInfo
- Publication number
- CN103681067A CN103681067A CN201310630226.5A CN201310630226A CN103681067A CN 103681067 A CN103681067 A CN 103681067A CN 201310630226 A CN201310630226 A CN 201310630226A CN 103681067 A CN103681067 A CN 103681067A
- Authority
- CN
- China
- Prior art keywords
- membrane keyboard
- membrane
- punching
- pcb board
- full key
- 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.)
- Granted
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a membrane keyboard with all-key conflict-free and special backlight functions. The membrane keyboard comprises a membrane circuit layer, a membrane distance piece layer and a PCB (printed circuit board) which are sequentially arranged from top to bottom. Column circuits of a matrix circuit and a plurality of upper contacts are arranged on the lower surface of the membrane circuit layer, the upper contacts are positioned on the column circuits, line circuits of the matrix circuit and a plurality of lower contacts are arranged on the upper surface of the PCB, the lower contacts are positioned on the line circuits, diodes of an isolating keying circuit and LED elements are arranged on the lower surface of the PCB, the upper contacts and the lower contacts correspond to one another and form membrane switches, and through holes which correspond to the upper contacts and the lower contacts are formed in the membrane distance piece layer. The membrane keyboard has the advantages that the membrane keyboard is simple in structure and low in production cost, backlight can be emitted for optional specified keys, and the membrane keyboard can be widely applied to the field of keyboards.
Description
Technical field
The present invention relates to a kind ofly there is full key board without punching and the membrane keyboard of special backlight function.
Background technology
Development along with computer; the update of computer software and constantly upgrading; with computer Entertainment, become people and used the requisite project of computer; in present most computer game; the situation that often there will be game character fight under way bucket, so just requires player also to need to pin the colleague who pins directionkeys and other key such as fights.Keyboard of the prior art generally adopts matrix form arrangement mode, button can influence each other, general keyboard can only support any 2 buttons to press simultaneously, if press 3 buttons simultaneously, and 3 buttons just form the words of right angle 3 dihedrals in matrix, because 3 buttons form paths, will cause keyboard cannot judge which key supresses.In order to address this problem, in key switch, to isolate button impact be each other feasible to series diode, this is that a large amount of multikeys that adopt or full key board are without the mature technology of punching in mechanical key keyboard, but the matrix circuit of membrane keyboard is film, be difficult to welding diode, so membrane keyboard does not have ripe multikey or the full key board realized without the technology of punching, if this has caused needing multikey or full key board without rushing keyboard, just must use mechanical keyboard, but mechanical keyboard not only cost is very high, be difficult to universal, and simultaneously, part user often wants the button that highlights some interim appointment with backlight, so that identification, prevent misoperation, only have on the market at present mechanical keyboard can easily realize above-mentioned functions, and although membrane keyboard also has with backlight function, but substantially can only realize all buttons has backlight or all turns off backlight, and be difficult to realize any specified button, have backlight, and other button can be turned off function backlight.
In sum, existing membrane keyboard product is difficult to meet user's requirement, exists certain deficiency.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, production cost is low, can realize any specified button backlight there is full key board without punching and the membrane keyboard of special backlight function.
The technical solution adopted in the present invention is: the present invention includes the wiring thin film layer setting gradually from top to bottom, film spacer layer and pcb board, the lower surface of described wiring thin film layer is provided with the alignment circuit of matrix circuit and is positioned at a plurality of upper contacts on described alignment circuit, the upper surface of described pcb board is provided with the line circuit of matrix circuit and is positioned at a plurality of lower contacts on described line circuit, described pcb board lower surface is provided with the diode of emitting led element and isolation key circuit, described upper contact is corresponding with described lower contact arranges and forms thin film switch, position corresponding with described upper contact and described lower contact in described film spacer layer is provided with through hole.
Described membrane keyboard also comprises middle plate, be arranged on several keycaps on the button supporter of described middle plate, the silica gel bowl that is positioned at described keycap below and contacts with described wiring thin film layer, screw is threaded to compress described pcb board through described pcb board with described middle plate, is provided with for seeing through the loophole of described emitting led element light on described pcb board.
Described keycap and described button supporter are slidably matched, and the step of the hook embedding portion of described keycap lower end and described button supporter inside is clasped.
The top of described silica gel bowl contacts with the guide pillar in the middle of described keycap, and the lower end of described silica gel bowl is provided with jut.
Described emitting led element is paster type light emitting type, and described emitting led element exposes the upper surface of described pcb board and connects with described diode.
Described membrane keyboard also comprises the main control chip being electrically connected to described wiring thin film layer and pcb board, in described main control chip, is provided with full key board without die block.
Described membrane keyboard comprises middle plate, be arranged on the elastic membrane pressing part that several keycaps, the neutron being fixedly connected with described keycap and two ends on the button supporter of described middle plate contact with described neutron and described wiring thin film layer respectively, is provided with for seeing through the loophole of described emitting led element light on described pcb board.
The bottom of described neutron is snapped in described button supporter, and the upper end of described elastic membrane pressing part is set on the middle guide rod of described neutron.
Described elastic membrane pressing part is spring or silica gel bowl.
The invention has the beneficial effects as follows: owing to comprising the wiring thin film layer setting gradually from top to bottom, film spacer layer and pcb board, the lower surface of described wiring thin film layer is provided with the alignment circuit of matrix circuit and is positioned at a plurality of upper contacts on described alignment circuit, the upper surface of described pcb board is provided with the line circuit of matrix circuit and is positioned at a plurality of lower contacts and the emitting led element on described line circuit, the lower surface of described pcb board is provided with the diode of isolation key circuit, described upper contact is corresponding with described lower contact arranges and forms thin film switch, position corresponding with described upper contact and described lower contact in described film spacer layer is provided with through hole, matrix circuit on described wiring thin film layer and described pcb board can meet the conflict free requirement of full key board with the diode of isolation button and the keyboard circuit of interlock circuit composition, and by described emitting led element is set on described pcb board, can realize as required single key-press backlight or the requirement backlight of other modes.So the present invention is simple in structure, production cost is low, it is backlight to realize any specified button.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the embodiment of the present invention one;
Fig. 2 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 3 is the explosive view of the embodiment of the present invention one;
Fig. 4 is the structure for amplifying schematic diagram at Figure 1A place;
Fig. 5 is the cutaway view of the embodiment of the present invention two.
Embodiment
Embodiment mono-:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the present embodiment comprises the middle plate 4 setting gradually from top to bottom, wiring thin film layer 1, film spacer layer 2, pcb board 3 and several keycaps 5 and silica gel bowl 6, on described wiring thin film layer 1, there is the alignment circuit 10 of matrix circuit and be positioned at a plurality of upper contacts 11 on described alignment circuit 10, the upper surface of described pcb board 3 is provided with the line circuit 30 of matrix circuit and is positioned at a plurality of lower contacts 31 on described line circuit 30, the lower surface of described pcb board 3 is provided with the diode of isolation key circuit, emitting led element 32 and loophole 33, described emitting led element 32 is paster type light emitting type, described emitting led element 32 and described diode are all electrically connected to main control chip, in described wiring thin film layer 1 and described film spacer layer 2, be provided with resigning hole 9, described upper contact 11 is corresponding with described lower contact 31 arranges and forms thin film switch, position corresponding with described upper contact 11 and described lower contact 31 in described film spacer layer 2 is provided with through hole 21, described several keycaps 5 are arranged on the button supporter 40 of described middle plate 4, described keycap 5 is slidably matched with described button supporter 40, and the step of the hook embedding portion of described keycap 5 lower ends and described button supporter 40 inside is clasped.Described silica gel bowl 6 is positioned at described keycap 5 belows and contacts with described wiring thin film layer 1, the top of described silica gel bowl 6 contacts with the guide pillar in the middle of described keycap 5, the lower end of described silica gel bowl 6 is provided with downward jut 60, mainly play the function of pressing thin film circuit after pressing, screw 7 is threaded to compress described pcb board 3 through described pcb board 3 with described middle plate 4, described membrane keyboard also comprises the main control chip being electrically connected to described wiring thin film layer 1 and pcb board 3, in described main control chip, be provided with full key board without die block, described wiring thin film layer 1 can meet the conflict free requirement of full key board with the matrix circuit on described pcb board 3 with the diode of isolation button and the keyboard circuit of interlock circuit composition, and by described emitting led element 32 is set on described pcb board 3, can realize as required single key-press backlight or the requirement backlight of other modes.
Embodiment bis-:
As shown in Figure 5, the middle plate 4 that the present embodiment sets gradually from top to bottom, wiring thin film layer 1, film spacer layer 2, pcb board 3 and several keycaps 5, neutron 8, elastic membrane pressing part 9, on described wiring thin film layer 1, there is the alignment circuit 10 of matrix circuit and be positioned at a plurality of upper contacts 11 on described alignment circuit 10, the upper surface of described pcb board 3 is provided with the line circuit 30 of matrix circuit and is positioned at a plurality of lower contacts 31 on described line circuit 30, the lower surface of described pcb board 3 is provided with the diode of isolation key circuit, emitting led element 32 and loophole 33, described emitting led element 32 is paster type light emitting type, described emitting led element 32 and described diode are all electrically connected to main control chip, in described wiring thin film layer 1 and described film spacer layer 2, be provided with resigning hole 9, described upper contact 11 is corresponding with described lower contact 31 arranges and forms thin film switch, position corresponding with described upper contact 11 and described lower contact 31 in described film spacer layer 2 is provided with through hole 21, described several keycaps 5 are arranged on the button supporter 40 of described middle plate 4, the lower end of described keycap 5 is fixedly connected with the upper end of described neutron 8, described neutron 8 is positioned at described button supporter 40 and is slidably matched with it, and the step of the hook embedding portion of described neutron 8 lower ends and described button supporter 40 inside is clasped, described spring 9 is set on the middle guide rod 80 of described neutron 8 lower ends, described spring 9 can make described thin film switch conducting after pressing, in addition, for resilience and dustproof needs, can also between described button supporter 40 and described keycap 5, be provided with dirt-proof boot 41, described dirt-proof boot 41 is enclosed within the top of described button supporter 40.
The present invention can be widely used in art of keypads.
Claims (10)
1. one kind has full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described membrane keyboard comprises the wiring thin film layer (1) setting gradually from top to bottom, film spacer layer (2) and pcb board (3), the lower surface of described wiring thin film layer (1) is provided with the alignment circuit (10) of matrix circuit and is positioned at a plurality of upper contacts (11) on described alignment circuit (10), the upper surface of described pcb board (3) is provided with the line circuit (30) of matrix circuit and is positioned at a plurality of lower contacts (31) on described line circuit (30), described pcb board (3) lower surface is provided with the diode of emitting led element (32) and isolation key circuit, described upper contact (11) is corresponding with described lower contact (31) arranges and forms thin film switch, the upper position corresponding with described upper contact (11) and described lower contact (31) of described film spacer layer (2) is provided with through hole (21).
2. according to claim 1 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described membrane keyboard also comprises middle plate (4), be arranged on several keycaps (5) on the button supporter (40) of described middle plate (4), the silica gel bowl (6) that is positioned at described keycap (5) below and contacts with described wiring thin film layer (1), screw (7) is threaded to compress described pcb board (3) through described pcb board (3) with described middle plate (4), on described pcb board (3), be provided with for seeing through the loophole (33) of described emitting led element (32) light.
3. according to claim 2 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described keycap (5) is slidably matched with described button supporter (40), and the step of the hook embedding portion of described keycap (5) lower end and described button supporter (40) inside is clasped.
4. according to claim 2 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: the top of described silica gel bowl (6) contacts with the guide pillar in the middle of described keycap (5), and the lower end of described silica gel bowl (6) is provided with jut (60).
5. according to claim 4 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described emitting led element (32) is paster type light emitting type, and described emitting led element (32) is at the lower surface of described pcb board (3).
6. according to claim 1 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described membrane keyboard also comprises the main control chip being electrically connected to described wiring thin film layer (1) and pcb board (3), in described main control chip, is provided with full key board without die block.
7. according to claim 1 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described membrane keyboard also comprises middle plate (4), be arranged on the elastic membrane pressing part (9) that several keycaps (5), the neutron (8) being fixedly connected with described keycap (5) and two ends on the button supporter (40) of described middle plate (4) contact with described neutron (8) and described wiring thin film layer (1) respectively, is provided with for seeing through the loophole (33) of described emitting led element (32) light on described pcb board (3).
8. according to claim 7 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: the bottom of described neutron (8) is snapped in described button supporter (40), the upper end of described elastic membrane pressing part (9) is set on the middle guide rod (80) of described neutron (8).
9. according to claim 7 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: described elastic membrane pressing part (9) is spring or silica gel bowl.
10. according to claim 7 have full key board without the membrane keyboard of punching and special backlight function, it is characterized in that: between described button supporter (40) and described keycap (5), be provided with dirt-proof boot (41), described dirt-proof boot (41) is enclosed within the top of described button supporter (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310630226.5A CN103681067B (en) | 2013-12-02 | 2013-12-02 | There is full key board without punching and the membrane keyboard of special backlight function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310630226.5A CN103681067B (en) | 2013-12-02 | 2013-12-02 | There is full key board without punching and the membrane keyboard of special backlight function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103681067A true CN103681067A (en) | 2014-03-26 |
| CN103681067B CN103681067B (en) | 2016-03-02 |
Family
ID=50318318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310630226.5A Active CN103681067B (en) | 2013-12-02 | 2013-12-02 | There is full key board without punching and the membrane keyboard of special backlight function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103681067B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
| WO2016123754A1 (en) * | 2015-02-04 | 2016-08-11 | 厦门顶尖电子有限公司 | Novel conducting structure and conducting method for upper sheet and lower sheet of film button circuit |
| CN106139588A (en) * | 2016-07-14 | 2016-11-23 | 歌尔科技有限公司 | A kind of button and a kind of game paddle |
| CN108459186A (en) * | 2018-02-28 | 2018-08-28 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter display device |
| CN108962659A (en) * | 2017-05-17 | 2018-12-07 | 致伸科技股份有限公司 | Key board unit |
| CN109256296A (en) * | 2018-12-10 | 2019-01-22 | 广州星弈电子科技有限公司 | A kind of adjusting knob equipped with touching switch |
| CN112306247A (en) * | 2019-07-30 | 2021-02-02 | 金登科 | Computer keyboard applied to keyboard learning |
| WO2023082425A1 (en) * | 2021-11-10 | 2023-05-19 | 深圳深汕特别合作区汇创达电子智能科技有限公司 | Straight-through three-in-one light-emitting key core module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372284A (en) * | 2001-02-26 | 2002-10-02 | 松下电器产业株式会社 | Illumination type keyboard switch |
| CN1532674A (en) * | 2003-03-20 | 2004-09-29 | 达方电子股份有限公司 | Keyboard structure |
| CN201435331Y (en) * | 2009-06-17 | 2010-03-31 | 上海得倍电子技术有限公司 | Keyboard backlighting device |
| CN101995957A (en) * | 2010-10-25 | 2011-03-30 | 珠海恒宇新科技有限公司 | Monoblock-type membrane keyboard keys and split-type keyboard |
| CN203012648U (en) * | 2012-12-19 | 2013-06-19 | 致伸科技股份有限公司 | Luminous keyboard |
| CN203054739U (en) * | 2012-12-19 | 2013-07-10 | 致伸科技股份有限公司 | Luminous keyboard |
| CN203644615U (en) * | 2013-12-02 | 2014-06-11 | 珠海恒宇新科技有限公司 | Film keyboard possessing N-key rollover and backlight functions |
-
2013
- 2013-12-02 CN CN201310630226.5A patent/CN103681067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1372284A (en) * | 2001-02-26 | 2002-10-02 | 松下电器产业株式会社 | Illumination type keyboard switch |
| CN1532674A (en) * | 2003-03-20 | 2004-09-29 | 达方电子股份有限公司 | Keyboard structure |
| CN201435331Y (en) * | 2009-06-17 | 2010-03-31 | 上海得倍电子技术有限公司 | Keyboard backlighting device |
| CN101995957A (en) * | 2010-10-25 | 2011-03-30 | 珠海恒宇新科技有限公司 | Monoblock-type membrane keyboard keys and split-type keyboard |
| CN203012648U (en) * | 2012-12-19 | 2013-06-19 | 致伸科技股份有限公司 | Luminous keyboard |
| CN203054739U (en) * | 2012-12-19 | 2013-07-10 | 致伸科技股份有限公司 | Luminous keyboard |
| CN203644615U (en) * | 2013-12-02 | 2014-06-11 | 珠海恒宇新科技有限公司 | Film keyboard possessing N-key rollover and backlight functions |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016123754A1 (en) * | 2015-02-04 | 2016-08-11 | 厦门顶尖电子有限公司 | Novel conducting structure and conducting method for upper sheet and lower sheet of film button circuit |
| CN105045403A (en) * | 2015-08-21 | 2015-11-11 | 黄修海 | Keyboard and terminal device |
| CN106139588A (en) * | 2016-07-14 | 2016-11-23 | 歌尔科技有限公司 | A kind of button and a kind of game paddle |
| CN106139588B (en) * | 2016-07-14 | 2023-08-08 | 歌尔科技有限公司 | Key and game handle |
| CN108962659A (en) * | 2017-05-17 | 2018-12-07 | 致伸科技股份有限公司 | Key board unit |
| CN108459186A (en) * | 2018-02-28 | 2018-08-28 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter display device |
| CN109256296A (en) * | 2018-12-10 | 2019-01-22 | 广州星弈电子科技有限公司 | A kind of adjusting knob equipped with touching switch |
| CN112306247A (en) * | 2019-07-30 | 2021-02-02 | 金登科 | Computer keyboard applied to keyboard learning |
| WO2023082425A1 (en) * | 2021-11-10 | 2023-05-19 | 深圳深汕特别合作区汇创达电子智能科技有限公司 | Straight-through three-in-one light-emitting key core module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103681067B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103681067B (en) | There is full key board without punching and the membrane keyboard of special backlight function | |
| US20090128496A1 (en) | Light-emitting keyboard | |
| US20100321298A1 (en) | Keyboard and touchpad combination | |
| CN106301323B (en) | Membrane pushbutton structure and thin film type keyboard | |
| US8017879B2 (en) | Customizable keyboard | |
| CN203644615U (en) | Film keyboard possessing N-key rollover and backlight functions | |
| CN101944447A (en) | Key, keyboard and assembling method thereof | |
| US6057517A (en) | Elastomeric keyboard incorporating a novel interconnect and back-lighting architecture | |
| CN203456349U (en) | Key structure | |
| CN103367008A (en) | Membrane switch keyboard of computer | |
| CN203521259U (en) | Computer thin-film switch keyboard | |
| CN201392505Y (en) | Touch keyboard with mechanical handfeel | |
| US9824836B1 (en) | Input device for electronic device | |
| CN103367010A (en) | Leather sheath light-emitting keyboard with membrane switches | |
| CN103354186B (en) | Computer membrane switch luminescence keyboard | |
| KR20130115453A (en) | Keyboard | |
| CN203192658U (en) | Luminous keyboard | |
| TW201349037A (en) | Press activating structure | |
| CN204360981U (en) | Lighting guide keypad | |
| CN102456492A (en) | Luminescent keyboard | |
| CN203631380U (en) | Leather sheath light-emitting keyboard with membrane switches | |
| JP5318790B2 (en) | Input sensor switch | |
| TWI647725B (en) | Button structure | |
| CN201985001U (en) | Push button and keyboard | |
| TWI840218B (en) | Key and keyboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |