CN202678169U - Key module for luminescent keyboard - Google Patents
Key module for luminescent keyboard Download PDFInfo
- Publication number
- CN202678169U CN202678169U CN 201220319272 CN201220319272U CN202678169U CN 202678169 U CN202678169 U CN 202678169U CN 201220319272 CN201220319272 CN 201220319272 CN 201220319272 U CN201220319272 U CN 201220319272U CN 202678169 U CN202678169 U CN 202678169U
- Authority
- CN
- China
- Prior art keywords
- light
- keycap
- circuit board
- film circuit
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to a key module for a luminescent keyboard, including a key cap, a film circuit board, a base board, an elastic element and a luminescent unit, wherein the base board is arranged below the key cap; a notch is formed on the base board; the film circuit board is arranged above the base board and below the key cap, and the position on the film circuit board, corresponding to the notch of the base board, is made by a light transmission material; the elastic element is arranged between the key cap and the film circuit board, and is propped to the key cap, and provides an elastic bias voltage making the key cap away from the film circuit board, and the key cap is pressed under stress, thus making the elastic element trigger the film circuit board and generating a corresponding circuit signal; the luminescent unit comprises a luminescent element which is electrically connected with the film circuit board and is arranged at the lower surface of the film circuit board and is accommodated in the base board; and the light generated from the luminescent element is incident to the film circuit board and the emitted light illuminates the key cap.
Description
Technical field
The utility model relates to a kind of key-press module, particularly relates to a kind of key-press module of illuminated keyboard.
Background technology
The key-press module of existing illuminated keyboard makes things convenient for the user to operate under rather dark environment.When the keycap of pressing keys module, the shear type frame that the keycap interlock is corresponding and flexible member corresponding to compression make itself and the corresponding circuit signal of pressing of film circuit board generation.And luminescence unit comprises the light-guiding shade that is arranged at the film circuit board top and covers light-emitting diode towards a light-emitting diode and of keycap.
Yet, if during the light-guiding shade excessive height of luminescence unit, and luminescence unit just is arranged in the stroke that moves down of pressing keycap, when the user presses keycap, driving keycap moves down and the light-guiding shade of contact luminescence unit, make flexible member and shear type frame can't finish the stroke of predetermined displacement, cause flexible member to form good being electrically connected with film circuit board, then cause key-press module to press feel relatively poor.
Summary of the invention
The purpose of this utility model is to provide a kind of key-press module of pressing the better illuminated keyboard of feel.
The key-press module of the utility model illuminated keyboard comprises a keycap, a film circuit board, a base plate, a flexible member, and a luminescence unit.
This base plate is arranged at this keycap below, and forms a fluting; This film circuit board is arranged at this base plate top and below this keycap, and is that light-transmitting materials is made to slotting position that should base plate; This flexible member is arranged between this keycap and this film circuit board, and be resisted against this keycap and the fexible bias pressure of this keycap perseverance away from this film circuit board is provided, and this keycap is stressed to be pressed down, and makes this flexible member trigger this film circuit board, and produces a corresponding circuit signal; This luminescence unit comprises that one is electrically connected this film circuit board and is arranged at this film circuit board lower surface, and be placed in the light-emitting component of the fluting of this base plate, the light that this light-emitting component produces is incident to this film circuit board, and the light of ejaculation is thrown light on towards this keycap.
Preferably, the lower surface of this keycap of the key-press module of the utility model illuminated keyboard is recessed to form a groove, this luminescence unit comprises that also one covers above this film circuit board and to slotting position that should base plate, and the light-guiding shade below this keycap, the height of this light-guiding shade is lower than the degree of depth of the groove of this keycap.
Preferably, this light-guiding shade of the key-press module of the utility model illuminated keyboard has a top board, and the top board of this light-guiding shade forms a loophole.
Preferably, this keycap of the key-press module of the utility model illuminated keyboard comprises a cap body, and one from week of this cap body along the outward extending the brim of a hat, this cap body forms a perforation corresponding with the loophole position of this light-guiding shade.
Preferably, the lower surface of this film circuit board of the key-press module of the utility model illuminated keyboard forms a pair of blind hole that should the light-guiding shade position, and this blind hole is connected with the fluting of this base plate, and this light-emitting component is placed in this blind hole.
Preferably, the key-press module of the utility model illuminated keyboard also comprises a framework that is arranged at this film circuit board, and this framework forms an opening, and the cap body of this keycap convexedly stretches in this opening and exposes outside this framework.
Preferably, this luminescence unit of the key-press module of the utility model illuminated keyboard comprises that also one is arranged at the lower surface of this film circuit board and is placed in the light guide plate of this blind hole and this fluting, this light-emitting component is placed in this blind hole, and with this light guide plate separately, and the position of this light guide plate is to below, position that should light-guiding shade.
Preferably, the key-press module of the utility model illuminated keyboard also comprises one and liftably is arranged on keycap below and is fixed on the shear type frame of this base plate top, and this keycap is stressed to be pressed down, and this keycap moves towards this base plate perpendicular direction with this shear type frame.
The beneficial effects of the utility model are: the plate body lower surface that film circuit board is set by light-emitting component, the height that can reduce light-guiding shade makes thinning, the height of light-guiding shade can be lower than in design the degree of depth of the groove of keycap, when keycap is pressed down, be difficult for the contact light-guiding shade and do not affect the stroke of the predetermined displacement of flexible member and shear type frame, make flexible member and film circuit board form good being electrically connected, and can improve the feel of pressing.
Description of drawings
Fig. 1 is a stereogram, and the first preferred embodiment of the key-press module of the utility model illuminated keyboard is described;
Fig. 2 is the three-dimensional exploded view of a corresponding Fig. 1;
Fig. 3 is the vertical view of a corresponding Fig. 1;
Fig. 4 is a cross-sectional schematic along the 4-4 cutting line of Fig. 3, illustrates that a light-emitting component of the first preferred embodiment is to the light travel path of a keycap;
Fig. 5 is a cross-sectional schematic, and when illustrating that this keycap is stressed and pressing down, the pressure section of a flexible member contacts conducting with the conducting portion of a film circuit board, and this keycap is difficult for the contact light-guiding shade;
Fig. 6 is a stereogram, and the second preferred embodiment of the key-press module of the utility model illuminated keyboard is described;
Fig. 7 is the three-dimensional exploded view of a corresponding Fig. 6;
Fig. 8 is the vertical view of a corresponding Fig. 6;
Fig. 9 is a cross-sectional schematic along the 9-9 cutting line of Fig. 8, illustrates that a light-emitting component of the second preferred embodiment is to the light travel path of a keycap; And
Figure 10 is a cross-sectional schematic, and when illustrating that this keycap is stressed and pressing down, the pressure section of a flexible member contacts conducting with the conducting portion of a film circuit board, and this keycap is difficult for the contact light-guiding shade.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Before the utility model is described in detail, be noted that in the following description content similarly element is to represent with identical numbering.
Consult Fig. 1, Fig. 2 and Fig. 3, the first preferred embodiment of the key-press module of the utility model illuminated keyboard is put and is comprised a keycap 1, a shear type frame 2, a flexible member 3, a film circuit board 5, a base plate 6, a lower cover 7, and a luminescence unit 8.
Consult Fig. 2, Fig. 4 and Fig. 5, the lower surface of keycap 1 is recessed to form a groove 11, and keycap 1 comprises a cap body 12, and one from week of cap body 12 along the outward extending the brim of a hat 13, that is to say that cap body 12 and the brim of a hat 13 define groove 11 jointly.Shear type frame 2 (plunger) is used for supporting keycap 1, and liftably is arranged on keycap 1 below and is fixed on base plate 6 tops.Flexible member 3 (rubber dome) is arranged at 5 of keycap 1 and film circuit boards, and be resisted against keycap 1 and the fexible bias pressure of keycap 1 perseverance away from film circuit board 5 is provided, flexible member 3 comprises a body 31, and a pressure section 32 that is protruded out to film circuit board 5 by body 31 inner surfaces.
Consult Fig. 2 and Fig. 4, for accommodating luminescence unit 8, the insulation top layer 52 of film circuit board 5 also forms a through hole 522, and plate body 51 lower surfaces of film circuit board 5 form a blind hole 512, base plate 6 forms a fluting 61, and fluting 61 is connected with the blind hole 512 of the plate body 51 of film circuit board 5.Luminescence unit 8 comprises the plate body 51 of an electrical connection film circuit board 5 and is placed in the light-emitting component 81 of the fluting 61 of base plate 6, and one cover through hole 522 tops on insulation top layer 52 of film circuit board 5 and fluting 61 positions of corresponding base plate 6, and the light-guiding shade below keycap 1 82.Or rather, light-emitting component 81 is arranged at the lower surface of film circuit board 5 and is placed in blind hole 512 and the fluting 61 of base plate 6, and the setting position of light-emitting component 81 is corresponding with the setting position of light-guiding shade 82.In the present embodiment, light-emitting component 81 is light-emitting diode (LED).
Consult Fig. 4,1 light travel path is described from light-emitting component 81 to keycap.Because fluting 61 positions of the plate body 51 corresponding base plates 6 of film circuit board 5 are that light-transmitting materials is made, make light be easy to penetrate.Light-guiding shade 82 has a top board 821, and the top board 821 of light-guiding shade 82 forms a loophole 822 for light-emitting component 81 light transmissions, makes light-guiding shade 82 have the effect of optically focused and printing opacity concurrently.The cap body 12 of keycap 1 forms a perforation 121 corresponding with loophole 822 positions of light-guiding shade 82, and the in the present embodiment perforation 121 of keycap 1 can be symbol area (not shown) such as A, B or the C of keycap 1.The plate body 51 of the light incident film circuit board 5 that light-emitting component 81 produces through the perforation 121 to keycap 1 of the loophole 822 of through hole 522, the light-guiding shade 82 on insulation top layer 52, namely produces illuminating effect to the symbol area of keycap 1.
Consult Fig. 4 and Fig. 5, present embodiment is the lower surface that light-emitting component 81 is arranged film circuit board 5, can reduce the height of light-guiding shade 82 and be slimming, the height of light-guiding shade 82 can be lower than in design the degree of depth of the groove 11 of keycap 1, when making keycap 1 stressed moving down, keycap 1 is difficult for contact light-guiding shade 82 and can affect the stroke of the predetermined displacement of flexible member 3 and shear type frame 2, makes flexible member 3 and film circuit board 5 form good being electrically connected, thereby improves the sensitivity that key-press module is pressed.
Consult Fig. 6, Fig. 7 and Fig. 8, for the second preferred embodiment of the key-press module of the utility model illuminated keyboard roughly identical with the first preferred embodiment, the Main Differences place is that light-emitting component 81 setting positions must be not corresponding with the setting position of light-guiding shade 82, makes light-emitting component 81 can establish in addition the elsewhere.
Consult Fig. 7, Fig. 9 and Figure 10, in addition, key-press module also comprises a framework 9 that is arranged at 52 tops, insulation top layer of film circuit board 5, and framework 9 forms an opening 91, and the cap body 12 of keycap 1 convexedly stretches in opening 91 and exposes outside framework 9.Luminescence unit 8 comprises that also one is arranged at plate body 51 lower surfaces of film circuit board 5 and is placed in blind hole 512 and the light guide plate 83 of the fluting 61 of base plate 6 (LGP), the setting position of light guide plate 83 is corresponding with light-guiding shade 82 setting positions, light guide plate 83 is spaced apart with light-emitting component 81, and the light that light-emitting component 81 is produced is incident to light guide plate 83 and advances in light guide plate 83 conduction.For accommodating light guide plate 83 and light-emitting component 81 in the blind hole 512 of film circuit board 5 and the fluting 61 of base plate 6, therefore the Length Ratio offered of the blind hole 512 of the film circuit board 5 of the second embodiment and the fluting 61 of base plate 6 the first embodiment shown in Figure 2 is long.Consult Fig. 9, in the present embodiment, light-emitting component 81 setting positions are below framework 9 positions, but in design, light-emitting component 81 can be arranged on the arbitrary side with respect to light guide plate 83, and with light guide plate 83 arrangements spaced apart.
Consult Fig. 9, be used for the light-emitting component 81 of explanation the second embodiment to keycap 1 light travel path, the light travel path of itself and the first embodiment shown in Figure 4 is roughly the same, the Main Differences place is that light that light-emitting component 81 produces is incident to light guide plate 83 and advances in light guide plate 83 conduction, and be incident to film circuit board 5 by light guide plate 83, so do not give unnecessary details in detail at this.
In sum, the key-press module of the utility model illuminated keyboard, plate body 51 lower surfaces of film circuit board 5 are set by light-emitting component 81, can reduce the height of light-guiding shade 82 and be slimming, the height of light-guiding shade 82 can be lower than in design the degree of depth of the groove 11 of keycap 1, when keycap 1 is pressed down, be difficult for contact light-guiding shade 82 and do not affect the stroke of the predetermined displacement of flexible member 3 and shear type frame 2, make flexible member 3 form good being electrically connected with film circuit board 5, and can improve the feel of pressing, so really can reach the utility model purpose.
The above person only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, namely allly does simple equivalence according to claims and description and changes and modification, all still belongs to the scope of the utility model patent.
Claims (8)
1. the key-press module of an illuminated keyboard; It is characterized in that: the key-press module of this illuminated keyboard comprises:
One keycap;
One base plate is arranged at this keycap below, and forms a fluting;
One film circuit board is arranged at this base plate top and below this keycap, and is that light-transmitting materials is made to slotting position that should base plate;
One flexible member, be arranged between this keycap and this film circuit board, and be resisted against this keycap and the fexible bias pressure of this keycap perseverance away from this film circuit board is provided, and this keycap is stressed presses down, make this flexible member trigger this film circuit board, and produce a corresponding circuit signal; And
One luminescence unit, comprise that one is electrically connected this film circuit board and is arranged at this film circuit board lower surface, and being placed in the light-emitting component of the fluting of this base plate, the light that this light-emitting component produces is incident to this film circuit board, and the light that makes ejaculation is towards this keycap illumination.
2. the key-press module of illuminated keyboard according to claim 1, it is characterized in that: the lower surface of this keycap is recessed to form a groove, this luminescence unit comprises that also one covers above this film circuit board and to slotting position that should base plate, and the light-guiding shade below this keycap, the height of this light-guiding shade is lower than the degree of depth of the groove of this keycap.
3. the key-press module of illuminated keyboard according to claim 2, it is characterized in that: this light-guiding shade has a top board, and the top board of this light-guiding shade forms a loophole.
4. the key-press module of illuminated keyboard according to claim 3, it is characterized in that: this keycap comprises a cap body, and one from week of this cap body along the outward extending the brim of a hat, this cap body forms a perforation corresponding with the loophole position of this light-guiding shade.
5. according to claim 2 the key-press module of described illuminated keyboard is characterized in that: the lower surface of this film circuit board forms a pair of blind hole that should the light-guiding shade position, and this blind hole is connected with the fluting of this base plate, and this light-emitting component is placed in this blind hole.
6. according to claim 4 the key-press module of described illuminated keyboard, it is characterized in that: the key-press module of this illuminated keyboard also comprises a framework that is arranged at this film circuit board, this framework forms an opening, and the cap body of this keycap convexedly stretches in this opening and exposes outside this framework.
7. according to claim 6 the key-press module of described illuminated keyboard, it is characterized in that: the lower surface of this film circuit board forms a blind hole, this blind hole is connected with the fluting of this base plate, this luminescence unit comprises that also one is arranged at the lower surface of this film circuit board and is placed in the light guide plate of this blind hole and this fluting, this light-emitting component be placed in this blind hole and with this light guide plate separately, and the position of this light guide plate is to below, position that should light-guiding shade.
8. the key-press module of illuminated keyboard according to claim 1, it is characterized in that: the key-press module of this illuminated keyboard also comprises one and liftably is arranged on keycap below and is fixed on the shear type frame of this base plate top, this keycap is stressed to be pressed down, and this keycap moves towards this base plate perpendicular direction with this shear type frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319272 CN202678169U (en) | 2012-07-02 | 2012-07-02 | Key module for luminescent keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319272 CN202678169U (en) | 2012-07-02 | 2012-07-02 | Key module for luminescent keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678169U true CN202678169U (en) | 2013-01-16 |
Family
ID=47499053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319272 Expired - Lifetime CN202678169U (en) | 2012-07-02 | 2012-07-02 | Key module for luminescent keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678169U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9941070B2 (en) | 2016-03-25 | 2018-04-10 | Darfon Electronics (Suzhou) Co., Ltd. | Keyswitch structure mounted within a circuit board and baseplate |
| TWI632573B (en) * | 2016-03-25 | 2018-08-11 | 達方電子股份有限公司 | Keyswitch structure |
| CN109346363A (en) * | 2018-12-11 | 2019-02-15 | 朱秋虹 | Heating type keyboard |
| CN109494107A (en) * | 2018-12-07 | 2019-03-19 | 东莞市高特电子有限公司 | Ultrathin optical keyboard of notebook computer |
| CN109712838A (en) * | 2017-10-25 | 2019-05-03 | 致伸科技股份有限公司 | Press-key structure |
-
2012
- 2012-07-02 CN CN 201220319272 patent/CN202678169U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9941070B2 (en) | 2016-03-25 | 2018-04-10 | Darfon Electronics (Suzhou) Co., Ltd. | Keyswitch structure mounted within a circuit board and baseplate |
| TWI632573B (en) * | 2016-03-25 | 2018-08-11 | 達方電子股份有限公司 | Keyswitch structure |
| CN109712838A (en) * | 2017-10-25 | 2019-05-03 | 致伸科技股份有限公司 | Press-key structure |
| CN109494107A (en) * | 2018-12-07 | 2019-03-19 | 东莞市高特电子有限公司 | Ultrathin optical keyboard of notebook computer |
| CN109346363A (en) * | 2018-12-11 | 2019-02-15 | 朱秋虹 | Heating type keyboard |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202678169U (en) | Key module for luminescent keyboard | |
| US7952043B2 (en) | Keyboard with backlighting functionality | |
| US8173922B2 (en) | Thin type illuminated keyboard | |
| TWI433190B (en) | Illuminating keyboard | |
| CN201054315Y (en) | Film light-guiding keyboard | |
| TWI451290B (en) | Illuminating keyboard | |
| KR20080077547A (en) | Light guide sheet and movable contact body and switch using the same | |
| CN102842453A (en) | Key structure with scissors type connecting element | |
| TW201743363A (en) | Luminous keyboard and luminous keyswitch thereof | |
| CN104347299A (en) | Luminous keyboard and light guide plate module thereof | |
| CN202585212U (en) | Luminous keyboard | |
| TWM356170U (en) | Illumination keyboard | |
| US9384918B2 (en) | Illuminated keyboard | |
| CN101436478A (en) | Luminous keyboard | |
| KR101028464B1 (en) | Keypad with Light Guide Pad | |
| CN201345308Y (en) | Illuminating keyboard | |
| US20140190804A1 (en) | Luminous press key module | |
| US20100148994A1 (en) | Keyboard with Backlighting Functionality | |
| CN201616369U (en) | Low-stroke thin key and keyboard | |
| CN102376483A (en) | Input device capable of improving contact sensitivity | |
| CN205900405U (en) | Light guide formula key switch and mechanical keyboard with simulation gradual change volume | |
| TWM441199U (en) | Light emitting keyboard key module | |
| CN201518285U (en) | Automobile press key device | |
| CN220491776U (en) | Light guide key | |
| CN203966910U (en) | Thin luminous keyboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |