CN102034628B - Key structure with light transmission and relevant electronic device thereof - Google Patents
Key structure with light transmission and relevant electronic device thereof Download PDFInfo
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- CN102034628B CN102034628B CN200910177243.1A CN200910177243A CN102034628B CN 102034628 B CN102034628 B CN 102034628B CN 200910177243 A CN200910177243 A CN 200910177243A CN 102034628 B CN102034628 B CN 102034628B
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Abstract
The invention relates to a key structure with light transmission and a relevant electronic device thereof. The key structure with the light transmission comprises a pressing part, an accommodating part, a protruding part and a light guiding piece, wherein the accommodating part is connected to one side of the pressing part, and an accommodating space is formed in the accommodating part; the protruding part is connected to one side of the accommodating part, and is driven to trigger a switch when the pressing part is pressed; and one end of the light guiding piece is arranged above a light source, the other end of the light guiding piece is arranged in the accommodating space, and the light guiding piece is used for guiding light rays emitted by the light source, so that the light rays are projected onto the bottom side of the pressing part. By using the key structure, the light rays emitted by the light source can be guided effectively to be projected onto one side of the pressing part uniformly to form uniform and light-transmitting projection patterns on the other side of the pressing part, so the aesthetic property of the projection patterns of the key structure is improved substantially.
Description
Technical field
The invention provides a kind of press-key structure and related electronic device thereof, especially a kind of press-key structure and related electronic device thereof with light transmission.
Background technology
In order to increase, use enjoyment and entertainment effect, general electronic installation can be designed with the press-key structure of tool light transmission, to show the projection image that represents different meanings under different modes of operation.For instance, the power button of notebook computer (power button) can not show any color when computer is started shooting.When power line is electrically connected on socket with supply electric power during to notebook computer, power button can be shown in red, uses the information of representative " power supply connected and computer do not start shooting "; And when power line is electrically connected between socket and notebook computer and after computer started shooting, power button can be shown in green, use the information of representative " power supply has connected and computer is open state ".
Yet in the prior art, the press-key structure with light transmission press section is arranged at substrate switch element directly over so that press section can trigger switch unit while being pressed to send control signal.Therefore, be used for guiding the light that light source sends just cannot directly be arranged at below, press section to be projected to the light guide of press section, and need shift to install, for example, be arranged at a side of the connecting rod of below, press section.Due to light guide and light source be not directly arranged at press section under, therefore the light that light source sends just cannot evenly be projected to press section by light guide, that is the image that projects press section has the shadow of connecting rod, thus how to design can uniform-light transmission press-key structure be just the direction of the required effort of mechanism design industry now.
Summary of the invention
The invention provides a kind of press-key structure and related electronic device thereof with light transmission, to solve the above problems.
The present invention discloses a kind of press-key structure with light transmission, and it includes a press section; One holding part, it is connected in a side of this press section, is formed with an accommodation space in this holding part; One protuberance, it is connected in a side of this holding part, and this protuberance is used for being driven triggering one switch when this press section is pressed; And a light guide, its one end is arranged at a light source top and the other end is arranged in this accommodation space, and this light guide is used for guiding ray cast that this light source sends to the bottom side of this press section.
The present invention discloses this light guide and includes a plurality of light elements, and it is used for respectively guiding ray cast that the plurality of light source sends to the bottom side of this press section, or this panel surface, uses the different image of projection, represents different content of operation.
The present invention discloses this light guide and includes a plurality of light elements, and wherein a light element is used for guiding ray cast that this light source sends to this side of at least one press section.
The open upper surface of light guide 26 of the present invention and the distance of this accommodation space upper surface are greater than the maximum shift motion of this press section, so that this press section is when be pressed, this light guide can not touch this press section.
The present invention also discloses a kind of electronic installation with light transmission press-key structure, and it includes a panel; One switch, it is arranged on a substrate; One light source, it is arranged on this substrate; And a press-key structure, it is installed on this panel and is used for triggering this switch.This press-key structure includes a press section; One holding part, it is connected in a side of this press section, is formed with an accommodation space in this holding part; One protuberance, it is connected in a side of this holding part, and this protuberance is used for being driven this switch of triggering when this press section is pressed; And a light guide, its one end is arranged at this light source top and the other end is arranged in this accommodation space, and this light guide is used for guiding ray cast that this light source sends to the bottom side of this press section.
The light that press-key structure of the present invention can guide light source to send effectively is evenly projected to a side of press section, forms the projective patterns of uniform-light transmission with the opposite side in press section, and significantly improves the aesthetic property of the projective patterns of press-key structure.
Accompanying drawing explanation
Fig. 1 is the part assembly decomposing schematic representation of the electronic installation of preferred embodiment of the present invention.
Fig. 2 is the illustrative view of the press-key structure of preferred embodiment of the present invention.
Fig. 3 is the schematic diagram of the light guide of another embodiment of the present invention.
Fig. 4 is the schematic diagram of the light guide of another embodiment of the present invention.
Fig. 5 is the schematic diagram of the light guide of another embodiment of the present invention.
Primary clustering symbol description:
10 electronic installation 12 panels
121 first perforate 123 second perforates
13 substrate 14 switches
16 light source 18 press-key structures
20 press section 22 holding parts
221 accommodation space 24 protuberances
26 light guide 261 light elements
263 support plate 28 strutting pieces
30 fixtures
Embodiment
Refer to Fig. 1, the part assembly decomposing schematic representation of the electronic installation 10 with light transmission press-key structure that Fig. 1 is preferred embodiment of the present invention.Electronic installation 10 includes a panel 12, a switch 14, and it is arranged on a substrate 13, a light source 16, and it is arranged on substrate 13, and a press-key structure 18, and it is installed on panel 12 and is used for trigger switch 14.Wherein, substrate 13 can be a printed circuit board (PCB).Press-key structure 18 includes a press section 20, a holding part 22, it is connected in a side of press section 20, in holding part 22, be formed with an accommodation space 221, a protuberance 24, it is connected in a side of holding part 22, and a light guide 26, its one end is arranged at light source 16 tops and the other end is arranged in accommodation space 221.In addition, light guide 26 separately can include a support plate 263, and it is in order to the fixing position of light guide 26.Wherein press section 20, holding part 22, and protuberance 24 design that can be one of the forming, when just start of electronic installation 10, protuberance 24 is used in press section 20 being driven trigger switch 14 while being pressed, light source 16 just has electric power conducting, now light guide 26 be used for guiding ray cast that light source 16 sends to press section 20 bottom side.Yet after electronic installation 10 has been started shooting, the operation usefulness of light source 16 depend on the system setting of electronic installation 10 and determine, be not subject to the condition restriction whether trigger switch 14 be driven and be unlocked and close.For instance, if when press-key structure 18 needs light to indicate after electronic installation 10 starts, light source 16 can continue to emit beam after trigger switch 14 is driven.The distance of accommodation space 221 upper surfaces of the upper surface of light guide 26 and holding part 22 need be greater than the maximum shift motion of press section 20, so that press section 20 is when be pressed, light guide 26 can not touch press section 20 and holding part 22.
On panel 12, be provided with one first perforate 121, and switch 14 is arranged at a side of the first perforate 121, protuberance 24 can be used to by synchronous drive, be arranged at the switch 14 of substrate 13 through the first perforate 121 with triggering when user presses press section 20, and switch 14 can produce corresponding control signal after being triggered.On panel 12, be separately provided with one second perforate 123, light guide 26 is arranged at guiding the light that the light source 16 of substrate 13 is sent by passing through the second perforate 123.In addition, press-key structure 18 separately includes two strutting pieces 28, and it is arranged at respectively on panel 12.Press-key structure 18 separately includes two fixtures 30, one end of each fixture 30 is connected to one end of press section 20, and the other end of each fixture 30 is connected to two strutting pieces 28, use fixedly press section 20 on strutting piece 28, wherein fixture 30 can be not limited to described in this embodiment, depending on actual demand with setting position and the number of strutting piece 28.
Due to light guide 26 by inner full-reflection with reach guiding light effect, therefore its inside can be consisted of the minute surface material with good reflection.Light guide 26 can be consisted of materials such as acryl (Acrylic) or Merlon (Polycarbonate) for instance.And light source 16 can be a light-emitting diode (Light Emitting Diode, LED), due to press section 20 can by the material with light transmission formed and press section 20 on can be formed with pattern, therefore the ray cast that the bootable light source 16 of light guide 26 sends is a side of 20 to press section, so that the opposite side of press section 20 shows corresponding projective patterns.
Refer to Fig. 2, Fig. 2 is the illustrative view of preferred embodiment press-key structure 18 of the present invention.When press section 20 is not pressed, one end of fixture 30 is connected in press section 20 and the other end is arranged on strutting piece 28, uses and keeps press section 20 at an initial position; When press section 20 is pressed and moves downward, the protuberance 24 that is connected in a side of press section 20 can be driven with trigger switch 14 according to a predefined paths, and switch 14 can produce corresponding control signal after being triggered.Therefore, holding part 22 can be pressed and return stroke and moving up and down along with press section 20, therefore the distance of accommodation space 221 upper surfaces of the upper surface of light guide 26 and holding part 22 need be greater than the maximum shift motion of press section 20, so that press section 20 is when be pressed, the one end that is arranged at the light guide 26 in accommodation space 221 can not touch press section 20 and holding part 22.Wherein, the setting position of light guide 26 in accommodation space 221 can be not limited to shown in Fig. 2, depending on design requirement.
Refer to Fig. 3, Fig. 3 is the schematic diagram of another embodiment of the present invention light guide 26.Light source 16 can include a plurality of light sources that can send respectively different colours light, light guide 26 can include a plurality of light elements 261, one of them light element 261 can be used to guide ray cast that the some light sources in a plurality of light sources send to accommodation space 221 upper surfaces of holding part 22, nationality with in press section 20 press the projective patterns that side forms the different colours represent different operating state, for example white pattern, green pattern or purple pattern etc.In addition, light guide 26 can separately include support plate 263, and it is used for carrying a plurality of light elements 261.Whole light guide 26 can be consisted of transparent materials such as acryl or Merlon, and the design that can be one of the forming of support plate 263 and light element 261.
Refer to Fig. 4, the schematic diagram of the light guide 26 that Fig. 4 is another embodiment of the present invention.Light source 16 separately can include a plurality of light sources that send different colours light, for example: blue-ray LED, red-light LED and yellow light LED etc.Light guide 26 can include a plurality of light elements 261, and it can be used for respectively guiding ray cast that a plurality of light sources send to a side of a press section 20 wherein, uses the effect that reaches mixed light.That is to say, if arranging, light source 16 there is trichromatic light source, for example: blue-ray LED, red-light LED and yellow light LED, a plurality of light elements 261 of light guide 26 can be by guiding respectively required coloured light to be projected to a side of press section 20, for example, so that the opposite side of press section 20 forms the projective patterns with various color: white light pattern, green glow pattern or purple light pattern etc.
Refer to Fig. 5, the schematic diagram of the light guide 26 that Fig. 5 is another embodiment of the present invention.The ray cast that press-key structure 18 can send by light element 261 guiding single light sources 16 is to a plurality of press sections 20 so that the light that single light source 16 sends effectively average optical transmission to a plurality of press sections 20.The combination of a plurality of light sources of light source 16 and a plurality of light elements 261 of light guide 26 can be not limited to disclosed number and setting position in above-described embodiment, and all mechanism design of the light that light element 261 guiding light sources send of utilizing all belong to the category that the present invention protects.
Be compared to prior art, press-key structure of the present invention forms accommodation space in holding part, so that the bottom side to press section with the guiding ray cast that light source was sent can be stretched in accommodation space in one end of light guide, it can avoid prior art that light guide is arranged to a side of protuberance and opposite side in press section forms the hypographous projective patterns of tool.The light that press-key structure of the present invention can guide light source to send effectively is evenly projected to a side of press section, forms the projective patterns of uniform-light transmission with the opposite side in press section, and significantly improves the aesthetic property of the projective patterns of press-key structure.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of the claims in the present invention book and modification, all should belong to covering scope of the present invention.
Claims (19)
1. a press-key structure with light transmission, described press-key structure comprises:
One press section;
One holding part, described holding part is connected in a side of described press section, is formed with an accommodation space in described holding part;
One protuberance, described protuberance is connected in the downside of described holding part, and described protuberance is driven while being used for being pressed in described press section and triggers a switch; And
One light guide, described light guide one end is arranged at a light source top and the other end is arranged in described accommodation space, and described light guide is used for guiding ray cast that described light source sends to the bottom side of described press section;
The distance of the upper surface of wherein said light guide and described accommodation space upper surface is greater than the maximum shift motion of described press section, so that described press section is when be pressed, described light guide can not touch described press section and described holding part.
2. press-key structure as claimed in claim 1, described press-key structure separately comprises:
One strutting piece; And
One fixture, described fixture is connected in one end of described press section, and described fixture is used for fixing described press section on described strutting piece.
3. press-key structure as claimed in claim 1, wherein said press section is consisted of the material with light transmission.
4. press-key structure as claimed in claim 1, wherein said light source comprises a plurality of light sources.
5. press-key structure as claimed in claim 4, wherein said light guide comprises a plurality of light elements, described light element is used for respectively guiding ray cast that described a plurality of light source sends to the bottom side of described press section, or panel surface, use the different image of projection, represent different modes of operation.
6. press-key structure as claimed in claim 4, wherein said light source comprises a plurality of light sources that send different colours light.
7. press-key structure as claimed in claim 1, wherein said light guide comprises a plurality of light elements, wherein a light element is used for guiding ray cast that described light source sends to the described bottom side of at least one press section.
8. press-key structure as claimed in claim 1, wherein said light source is a light-emitting diode.
9. an electronic installation with light transmission press-key structure, described electronic installation comprises:
One panel;
One switch, described switch is arranged on a substrate;
One light source, described light source is arranged on described substrate; And
One press-key structure, described press-key structure is installed on described panel and is used for triggering described switch, and described press-key structure comprises:
One press section;
One holding part, described holding part is connected in a side of described press section, is formed with an accommodation space in described holding part;
One protuberance, described protuberance is connected in the downside of described holding part, and described protuberance is driven while being used for being pressed in described press section and triggers described switch; And
One light guide, described light guide one end is arranged at described light source top and the other end is arranged in described accommodation space, and described light guide is used for guiding ray cast that described light source sends to the bottom side of described press section;
The distance of the upper surface of wherein said light guide and described accommodation space upper surface is greater than the maximum shift motion of described press section, so that described press section is when be pressed, described light guide can not touch described press section and described holding part.
10. electronic installation as claimed in claim 9, wherein said press-key structure separately comprises a strutting piece, described strutting piece is arranged on described panel.
11. electronic installations as claimed in claim 10, wherein said press-key structure separately comprises a fixture, and described fixture is connected in one end of described press section, and described fixture is used for fixing described press section on described strutting piece.
12. electronic installations as claimed in claim 9, wherein said press section is consisted of the material with light transmission.
13. electronic installations as claimed in claim 9, wherein said light source comprises a plurality of light sources.
14. electronic installations as claimed in claim 13, wherein said light guide comprises a plurality of light elements, described light element is used for respectively guiding ray cast that described a plurality of light source sends to the bottom side of described press section, or panel surface, use the different image of projection, represent different modes of operation.
15. electronic installations as claimed in claim 13, wherein said light source comprises a plurality of light sources that send different colours light.
16. electronic installations as claimed in claim 9, wherein said light guide comprises a plurality of light elements, wherein a light element is used for guiding ray cast that described light source sends to the described bottom side of at least one press section.
17. electronic installations as claimed in claim 9, wherein said light source is a light-emitting diode.
18. electronic installations as claimed in claim 9, are provided with one first perforate on wherein said panel, described the first perforate is used for guiding and when described protuberance is pressed in described press section, triggers described switch.
19. electronic installations as claimed in claim 9, are provided with one second perforate on wherein said panel, described light guide is used the light to guide described light source to be sent through described the second perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910177243.1A CN102034628B (en) | 2009-09-28 | 2009-09-28 | Key structure with light transmission and relevant electronic device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910177243.1A CN102034628B (en) | 2009-09-28 | 2009-09-28 | Key structure with light transmission and relevant electronic device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102034628A CN102034628A (en) | 2011-04-27 |
| CN102034628B true CN102034628B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910177243.1A Active CN102034628B (en) | 2009-09-28 | 2009-09-28 | Key structure with light transmission and relevant electronic device thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077840B (en) * | 2013-01-16 | 2015-09-30 | 青岛海信宽带多媒体技术有限公司 | Luminous key device and electric equipment |
| CN110690067B (en) * | 2018-07-06 | 2023-08-01 | 阿尔派株式会社 | Push switch device |
| CN111430168B (en) * | 2020-03-20 | 2022-02-18 | 联想(北京)有限公司 | Switch module and electronic equipment |
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