CN109478887A - It is a kind of to have the optical switch device for blocking body and blocking motion space - Google Patents

It is a kind of to have the optical switch device for blocking body and blocking motion space Download PDF

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Publication number
CN109478887A
CN109478887A CN201780018678.4A CN201780018678A CN109478887A CN 109478887 A CN109478887 A CN 109478887A CN 201780018678 A CN201780018678 A CN 201780018678A CN 109478887 A CN109478887 A CN 109478887A
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CN
China
Prior art keywords
light
blocking
optical
switch device
optical switch
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CN201780018678.4A
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Chinese (zh)
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CN109478887B (en
Inventor
陈�峰
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Individual
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Individual
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices

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  • Switches Operated By Changes In Physical Conditions (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

Provide a kind of optical switch device for having and blocking body and blocking motion space, including optical transmitting set, optical receiver, electronic circuit piece, photoswitch, it is characterized in that: the photoswitch is provided with flexible blocking body (2-1), blocks motion space (9-1), light emission windows and light-receiving window, have blocking motion space (9-1) below the blocking body (2-1), the light emission windows and light-receiving window are respectively positioned on and block in motion space (9-1)；When the optical switch device uses: the blocking body (2-1) is depressed, the optical path for blocking body (2-1) to block light emission windows and light-receiving window；The blocking body (2-1) resets, conducting light paths；This programme simple process, production cost be low, long service life, ultra-thin, can be applied to PC keyboard, keyboard of notebook computer；Membrane keyboard can be applied to Medical Devices, industrial control equipment, household electrical appliance etc..

Description

It is a kind of to have the optical switch device for blocking body and blocking motion space
Prioity claim:
The claims in the present invention 1, claim 3 require on 03 30th, 2016 to China national intellectual property according to the priority submitted application No. is the claim 1 of 2016101949624 application for a patent for invention and corresponding embodiment；
The claims in the present invention 2, claim 38 require on 07 08th, 2016 to China national intellectual property according to the priority submitted application No. is the claim 1 of 2016105370964 application for a patent for invention and corresponding embodiment；
The claims in the present invention 1-39, require on 03 29th, 2017 to China national intellectual property according to submit application No. is the claim of 2017101975430 application for a patent for invention and the priority of corresponding embodiment.
Technical field
The present invention relates to film optical switch and using the key optical switch device of film optical switch, in particular to the film optical switch being loaded in the keyboard as the input unit of electronic instrument；The invention further relates to be equipped with single this Thin-film key optical switch device.
Background technique
Existing contact film switch there are the problem of:
The film and isolated film that existing ultra-thin contact film switch is printed on electronic circuit and hard contact by two are constituted, wherein, the hard contact of two electronic circuits is using silver paste silk-screen on film, form the silver paste hard contact that very thin silver paste is constituted, there is through hole on isolated film, isolated film is located at two electronic circuits and bonds together respectively with two electronic circuits, two electronic circuits are made of upper layer electronic circuit and underlying electronic circuit, the silver paste hard contact of upper layer electronic circuit, the silver paste hard contact of underlying electronic circuit, it is corresponding through hole site on isolated film, when use under external force, the silver paste hard contact of upper layer electronic circuit and the silver paste hard contact of layer electronic circuit contact in the through hole on isolated film, switch conduction, remove the silver paste hard contact of external force upper layer electronic circuit It resets, switch disconnects.
The hard contact of existing contact film switch is oxidizable, easy to wear, service life is short, there is lesser side to be displaced when especially the silver paste hard contact of upper layer electronic circuit and the silver paste hard contact of layer electronic circuit contact, side displacement accelerates the failure of existing contact film switch, when frequently using, forming the oxidation of silver paste hard contact, --- circulation of abrasion --- reoxidizing --- mill .. ..., causes existing contact film switch life short；In the case where no thickness ultrathin requires and has high-quality requirement, existing high-quality contact film keyboard switch is all made of fine motion mechanical switch (hard contact is welded on switching mechanism using not oxidizable precious metal material), existing high-quality PC machine keyboard is all made of a mechanical switch up to a hundred (hard contact is welded on switching mechanism using not oxidizable precious metal material), is substantially increased using the keyboard cost of mechanical switch.
The problem of worldwide internal cause contact film switchs waste it is huge, so far also without a kind of inexpensive, ultra-thin, durable, non-contact type thin film photoswitch invested in plant metaplasia production.
Summary of the invention
It is an object of the invention to: the present invention provides the non-contact type thin film photoswitch that manufacture craft is simple, production cost is low, is especially to provide a kind of long service life, the film optical switch of thickness ultrathin；Meanwhile after sealing to film optical switch, film optical switch is washable, and service life can also greatly improve.
Film optical switch can be widely applied to PC keyboard, slim membrane keyboard, slim keyboard of notebook computer；Slim membrane keyboard is widely used in Medical Devices, industrial control equipment, household electrical appliance such as washing machine, micro-wave oven etc..
The technical scheme of the present invention is realized as follows: including optical transmitting set, optical receiver, electronic circuit piece, photoswitch, it is characterized in that: the optical switch device is provided with flexible blocking elastomer 2-1, there is photoresist spacer 2-2 on the blocking elastomer 2-1, motion space 9-1 is blocked blocking to have between elastomer 2-1 and electronic circuit piece, the light emission windows of the optical transmitting set and the light-receiving window of optical receiver, which are respectively positioned on, to be blocked in the 9-1 of motion space, the photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, the photoswitch is by photoresist spacer 2-2, block motion space 9-1, the light emission windows of optical transmitting set, the light-receiving window of optical receiver is constituted, when the switching device uses, the light that the photoresist spacer 2-2 issues the light emission windows of optical transmitting set Signal forms the on-off of optical signal in the light-receiving window of optical receiver.
Including optical transmitting set, optical receiver, photoswitch, it is characterized in that: the switching device, which is provided with, blocks body 2-1, motion space 9-1 is blocked blocking to have below body 2-1, the light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space, there is photoresist spacer 2-2 on blocking body 2-1, the photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, the photoswitch is by blocking body 2-1, block motion space 9-1, light emission windows, light-receiving window is constituted, when the switching device uses, the blocking body 2-1, the optical signal for issuing light emission windows forms the on-off of optical signal in light-receiving window.
Including optical transmitting set, optical receiver, electronic circuit piece, receive light guide sheet 15-1, photoswitch, it is characterized in that: optical switch device is provided with flexible blocking elastomer 2-1, blocking on elastomer 2-1 has photoresist spacer 2-2, motion space 9-1 is blocked blocking to have between elastomer 2-1 and electronic circuit piece, the light emission windows of optical transmitting set and the light-receiving window of optical receiver, which are respectively positioned on, to be blocked in the 9-1 of motion space, photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, photoswitch is by photoresist spacer 2-2, block motion space 9-1, the light emission windows of optical transmitting set, the light-receiving window of optical receiver is constituted；Optical transmitting set, optical receiver is light source 4-1 respectively, light-sensitive element 5-1, light emission windows are the light emission outlet of light source 4-1, light-receiving window is the light guide receiving end 7-2 received on light guide sheet 15-1, it receives light guide sheet 15-1 and is provided with the blocking through hole 9-2 being made of through hole, it receives light guide sheet 15-1 and is provided with guide-lighting optical waveguide 7-3, the light guide receiving end 7-2 of guide-lighting optical waveguide 7-3 is located on the side wall for blocking through hole 9-2, the light guide ejecting end 7-5 of guide-lighting optical waveguide 7-3 be the optical surface injection part of guide-lighting optical waveguide 7-3 or be guide-lighting optical waveguide 7-3 end face, optical surface injection part is located at the surface of guide-lighting optical waveguide 7-3, light source 4-1, light guide receiving end 7-2, light guide ejecting end 7-5, light-sensitive element 5-1 conducting light paths；Switching device is in use, light blocking part 2-2 issues the light emission windows of light source 4-1 Optical signal light-sensitive element 5-1 light-receiving window formed optical signal on-off.
Further, optical switch device, which is provided with, receives light guide sheet 15-1, optical transmitting set, optical receiver are light source 4-1, light-sensitive element 5-1 respectively, light emission windows are the light emission outlet of light source 4-1, light-receiving window is the light guide receiving end 7-2 received on light guide sheet 15-1, it receives light guide sheet 15-1 and is provided with the blocking through hole 9-2 being made of through hole, it receives light guide sheet 15-1 and is provided with guide-lighting optical waveguide 7-3, the light guide receiving end 7-2 of guide-lighting optical waveguide 7-3 is located on the side wall for blocking through hole 9-2.
Further, optical switch device, which is provided with, receives light guide sheet 15-1, it receives light guide sheet 15-1 and is provided with guide-lighting optical waveguide 7-3, the light guide ejecting end 7-5 of guide-lighting optical waveguide 7-3 be the optical surface injection part of guide-lighting optical waveguide 7-3 or be guide-lighting optical waveguide 7-3 end face, optical surface injection part is located at the surface of guide-lighting optical waveguide 7-3, light source 4-1, light guide receiving end 7-2, light guide ejecting end 7-5, light-sensitive element 5-1 conducting light paths.
Further, blocking elastomer 2-1 domed, blocking motion space 9-1 by the space below blocking elastomer 2-1 and through hole 9-2 being blocked to constitute or blocks elastomer 2-1 in planar, blocking motion space 9-1 is made of blocking through hole 9-2.
Further, optical switch device, which is provided with, receives light guide sheet 15-1, receive and be provided with reception through hole 9-3 on light guide sheet 15-1, light guide ejecting end 7-5 is located at the side wall for receiving through hole 9-3.
Further, optical switch device is provided with light source 4-1, light-sensitive element 5-1, light source 4-1, light-sensitive element 5-1 are connect with electronic circuit piece, contour 6-1 is provided between light guide sheet 15-1 and electronic circuit piece receiving, contour 6-1 is provided with contour light source hole 6-2 and contour receiver hole 6-3, optical surface injection part passes through contour light source hole 6-2 and light guide receiving end 7-2 conducting light paths by contour receiver hole 6-3 and light-sensitive element 5-1 conducting light paths, light source 4-1.
Further, optical switch device is provided with optical transmitting set, optical receiver, optical transmitting set, optical receiver are light source 4-1, light-sensitive element 5-1 respectively, and light source 4-1, light-sensitive element 5-1 are OLED light source, organic photosensitive element respectively.
Further, light source 4-1, light-sensitive element 5-1 are encapsulated in electronic circuit piece.
Further, light emission windows and light-receiving window form an angle about 90 degree.
Further, optical transmitting set is light source 4-1, optical receiver is light-sensitive device 5-1, blocking on elastomer 2-1 has light blocking part 2-2, light blocking part 2-2 to be made of barrier boss 2-3.
Further, optical transmitting set is light source 4-1, optical receiver is light-sensitive device 5-1, blocking on elastomer 2-1 has that light blocking part 2-2, light blocking part 2-2 are made of the annulus barrier rib 2-5 of rounded annular wall-like or the square ring barrier rib 2-6 of the annular wall-like by being square is constituted.
Further, blocking the blocking transmittance section 2-8 for having light transmission on elastomer 2-1, blocking on elastomer 2-1 has reflection layer 2-7.
Further, optical transmitting set is light source 4-1, optical receiver is light-sensitive device 5-1, electronic circuit piece is by I electronics electricity Road piece, II electronic circuit piece are constituted, and light source 4-1, light-sensitive device 5-1 are made of OLED light source, organic photosensitive element respectively, and OLED light source, organic photosensitive element are individually enclosed in I electronic circuit piece, II electronic circuit piece.
Further, optical switch device, which is provided with, receives light guide sheet 15-1, receive light guide sheet 15-1 and electronic circuit piece is stacked together, the light emission windows of light-sensitive device 5-1 or light-sensitive device 5-1, which are located at, to be blocked in through hole 9-2.
It is received below light guide sheet 15-1 further, electronic circuit piece is located at.
The optical switch device of film optical switch device is arranged by minimum of one.
Further, the optical switch device of film optical switch device is arranged by minimum a line or is arranged by minimum two row.
Further, the blocking motion space 9-1 of optical switch device is enclosure space or close enclosure space.
Further, the blocking motion space 9-1 of optical switch device is enclosure space, rows of blocking motion space 9-1 connection.
Further, the communication interface connection that the blocking motion space 9-1 of rows of connection is connect by connection with connection, communication interface is connected to outside or the blocking motion space 9-1 of rows of connection is connected to the airbag of flexible thin wall shape.
It is made of further, receiving light guide sheet 15-1 star optical path piece 20-1, there is n blocking through hole 9-2 on star optical path piece 20-1, blocking has a light source 4-1 in through hole 9-2 or has the launch window of a light guide plate 16-1, and each launch window of each light source 4-1 or light guide plate 16-1 emit different signal characteristics；Star optical path piece 20-1 has the road n leaded light optical waveguide 7-3, one end of guide-lighting optical waveguide 7-3 is to receive window, the side wall for receiving window and being located at a blocking through hole 9-2 of guide-lighting optical waveguide 7-3, the other end of guide-lighting optical waveguide 7-3 in cross and with a light-sensitive device 5-1 conducting light paths, wherein n be natural number.
Further, optical switch device is arranged by a line or is arranged by minimum two row that when optical switch device is arranged by a line, light-sensitive device 5-1 is located at the side of the row of optical switch device；When minimum two row of optical switch device is arranged, light-sensitive device 5-1 is between two row optical switch devices.
Further, optical switch device is arranged by minimum a line, the guide-lighting optical waveguide 7-3 for receiving light guide sheet 15-1 is made of slanting guide-lighting optical waveguide 7-3, the guide-lighting optical waveguide 7-3 being arranged in a row, the round and smooth connection of the slanting leaded light optical waveguide 7-3 and guide-lighting optical waveguide 7-3 being arranged in a row and conducting light paths, the guide-lighting optical waveguide 7-3 received on light guide sheet 15-1 links together and in the form of sheets by optical waveguide covering, there is the blocking through hole 9-2 of through hole composition on receiving light guide sheet 15-1 and with the corresponding position of slanting leaded light optical waveguide 7-3.
Further, optical switch device is arranged by minimum a line, light guide sheet 15-1 is received to be made of optical fiber sheet 15-8, optical fiber sheet 15-8 is made of symmetric fiber piece 15-6 or end optical fiber sheet 15-7, slanting leaded light optical waveguide 7-3 is oblique smooth pricker 15-3, the guide-lighting optical waveguide 7-3 being arranged in a row is row light pricker 15-2, and optical waveguide covering is filler.
Including metal metal dome 8-1, it is printed on the film of character, it is characterized in that: corresponding position is set above film optical switch device It is equipped with metal metal dome 8-1, the film for being printed on character is provided with above metal metal dome 8-1.
Further, optical switch device is provided with transmitting light guide sheet, transmitting light guide sheet is made of the light guide plate 16-1 of flaky high light transmission material, guide plate light input end 16-3 and light source the 4-1 conducting light paths of light guide plate 16-1, the light emission windows of light guide plate 16-1, which are located at, to be blocked in the 9-1 of motion space.
Further, light guide plate 16-1 is separated into minimum two guide-lighting plate unit 16-4 by divider 16-7, guide-lighting plate unit 16-4 is arranged in columns, the guide plate light input end 16-3 of guide-lighting plate unit 16-4 is corresponding with light source 4-1 mono-, one, and each leaded light plate unit 16-4 transmits different optical signals.
It is received below light guide sheet 15-1 further, light guide plate 16-1 is located at, the light emission windows of light guide plate 16-1 are located at the upper surface light guide plate 16-1.
The light emission windows of light guide plate 16-1 are made of the light guide plate concave hole 16-2 of the upper surface light guide plate 16-1 or are made of the astigmatism portion 9-4 of the upper surface light guide plate 16-1.
32. a kind of such as claim 30 has the optical switch device for blocking body and blocking motion space, the inclination arrangement it is characterized in that: leaded light plate unit 16-4 and Y-direction form an angle.
Including keycap 14-1, body, bottom plate 14-2, above-mentioned optical switch device are resetted, it is characterized in that: the photoswitch of film optical switch device is corresponding with the position of the near middle of keycap 14-1, the light emission windows and the character conducting light paths on keycap 14-1 of photoswitch.
Further, being provided with the bottom plate through hole 14-6 through bottom plate 14-2 in the position corresponding with motion space 9-1 is blocked bottom plate 14-2, the electronic circuit piece of film optical switch device connect with bottom plate 14-2 and is located at below bottom plate 14-2.
Unthreaded hole 11-2 is resetted further, resetting body upper end and being provided with arch, blocks the top elastomer 2-1 to have and blocks transmittance section 2-8.
Further, resetting body is to block body 2-1, blocking body 2-1 is rubber bullet circle 11-1 or metal metal dome 8-1.
Further, resetting body is rubber bullet circle 11-1 or metal metal dome 8-1, it is provided with immediately below rubber bullet circle 11-1 or immediately below metal metal dome 8-1 and blocks body 2-1.
Including keycap 14-1, bottom plate 14-2, electronic circuit piece, optical transmitting set, optical receiver, photoswitch, there is the reception light guide sheet 15-1 of receiving light path, it is characterized in that: photoswitch, which is provided with, blocks body 2-1, motion space 9-1 is blocked blocking to have below body 2-1, light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space, photoswitch is made of blocking body 2-1, blocking motion space 9-1, light emission windows, light-receiving window, switching device is in use, the optical signal for blocking body 2-1 to issue light emission windows forms the on-off of optical signal in light-receiving window；Optical transmitting set, optical receiver are light source 4-1, light-sensitive element 5-1 respectively, and through hole 9-2 is blocked to be arranged on flaky receptions light guide sheet 15-1 in length and breadth, the receiving light path on reception light guide sheet 15-1 by It capable row optical path and it is tilted a certain angle the light path angle section to be formed with row optical path constitutes, row optical path and the round and smooth connection of light path angle section and conducting light paths, the end face of the light path angle section of each receiving light path is light-receiving window, light-receiving window be located at block through hole 9-2 side wall on, the end face of row optical path be respectively positioned on receive light guide sheet 15-1 outside and with light-sensitive element 5-1 conducting light paths.
Further, key optical switch device is provided with light guide plate 16-1, the light emission windows of the upper surface light guide plate 16-1 are located in blocking motion space 9-1 or the light emission windows of the light source 4-1 of electronic circuit on piece are located in blocking motion space 9-1；
Light guide plate 16-1 connect with bottom plate 14-2 and is located at the lower section bottom plate 14-2 or reception light guide sheet 15-1 is stacked with light guide plate 16-1 and connect and be located at bottom plate 14-2 below bottom plate 14-2, bottom plate 14-2 offers supporting plate through hole 14-6 in position corresponding with motion space 9-1 is blocked.
The positive effect of the present invention is:
The present invention provides the film optical switch that manufacture craft is simple, production cost is low, is especially to provide a kind of long service life, ultra-thin film optical switch, film optical switch can be widely applied to PC keyboard, slim membrane keyboard, slim keyboard of notebook computer；Slim membrane keyboard is widely used in Medical Devices, industrial control equipment, household electrical appliance such as washing machine, micro-wave oven etc..
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the drawings to be used in the description of the embodiments or prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the invention, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of perspective view of structure of blocking body 2-1 of the invention；
Fig. 2 is the perspective view of another structure of blocking body 2-1 of the invention；
Fig. 3 is the perspective view of another structure of blocking body 2-1 of the invention；
Fig. 4 is the perspective view of another structure of blocking body 2-1 of the invention；
Fig. 5 is the perspective view of another structure of blocking body 2-1 of the invention；
Fig. 6 is the perspective view of another structure of blocking body 2-1 of the invention；
Fig. 7 is the perspective view that of the invention having receives the photoswitch that light guide sheet 15-1 is flat unit leaded light optical waveguide 7-3；
Fig. 8 is the perspective view for the photoswitch that reception light guide sheet 15-1 of the invention is planar-light guide；
Fig. 9 is that light guide ejecting end 7-5 of the invention is located at the perspective view for receiving the photoswitch of lower surface of light guide sheet 15-1；
Figure 10 is the perspective view of the other direction of Fig. 9；
Figure 11 is the perspective view of the photoswitch for having contour 6-1 of the invention；
Figure 12 is the perspective view of the other direction of Figure 11；
Figure 13 is the three-dimensional cutaway view of blocking body 2-1 of the invention using the photoswitch of rubber bullet circle 11-3；
Figure 14 is blocking body 2-1 of the invention and the three-dimensional cutaway view of the film circuit wafer 3-1 photoswitch connecting；
Figure 15 is blocking body 2-1 of the invention and the three-dimensional cutaway view of the bottom plate 14-2 photoswitch connecting；
Figure 16 is the three-dimensional cutaway view of the photoswitch of the blocking body 2-1 of the barrier boss 2-3 for being provided with long strip type of the invention；
Figure 17 is the three-dimensional cutaway view of the photoswitch of the complete blocking body 2-1 at thin wall shape of the invention；
Figure 18 is the three-dimensional cutaway view of the photoswitch for being provided with optical fiber sheet 15-8 of the invention；
Figure 19 is the three-dimensional cutaway view of the photoswitch for being provided with optical fiber sheet 15-8 and light guide plate 16-1 of the invention；
Figure 20 is the three-dimensional view of the photoswitch of Figure 19；
Figure 21 is the three-dimensional view of the photoswitch of the optical fiber sheet 15-8 for being provided with another optical path of the invention；
Figure 22 is the cross-sectional view for the photoswitch that light source 4-1 of the invention is OLED light source；
Figure 23 is that the body 2-1 that blocks of the invention is the cross-sectional view of the photoswitch of plane；
Figure 24 is that reset body of the invention is metal metal dome 8-1 and has the perspective view for the photoswitch for blocking body 2-1；
Figure 25 is that reset body of the invention is rubber bullet circle 11-3 and has the perspective view for the photoswitch for blocking body 2-1；
Figure 26 is the perspective view for the photoswitch that rubber bullet circle 11-3 substitution of the invention blocks body 2-1；
Figure 27 is the perspective view for the photoswitch that metal metal dome 8-1 substitution of the invention blocks body 2-1；
Figure 28 is perspective view of the existing keyboard of notebook computer using the film switch circuit piece 3-3 of hard contact；
Figure 29 is the perspective view that photoswitch of the invention is used for keyboard of notebook computer；
Figure 30 is the plan view of the optical fiber sheet 15-8 for keyboard of notebook computer of the invention；
Figure 31 is the plan view of the light guide plate 16-1 for keyboard of notebook computer of the invention；
Figure 32 is the plan view of the film optical switch in length and breadth of the optical fiber sheet 15-8 and light guide plate 16-1 for keyboard of notebook computer of the invention；
Figure 33 is that the film optical switch in length and breadth of Figure 32 is used for the plan view of keyboard of notebook computer；
Figure 34 is the explosive view that keyboard of notebook computer is used for using the single film optical switch in length and breadth for blocking body 2-1；
Figure 35 is the perspective view of the partial enlargement of Figure 32；
Figure 36 is the explosive view that keyboard of notebook computer is used in the film optical switch in length and breadth of the blocking body 2-1 connection slabbing of arcuation；
Figure 37 is the explosive view for blocking body 2-1 to be used for keyboard of notebook computer in the film optical switch in length and breadth of slabbing；
Figure 38 is the perspective view of the key apparatus of a unit of the keyboard of notebook computer of the invention using optical fiber sheet 15-8；
Figure 39 is the plan view of the symmetric fiber piece 15-6 for keyboard of notebook computer of the invention；
Figure 40 is the plan view of the film optical switch in length and breadth of the symmetric fiber piece 15-6 and light guide plate 16-1 for keyboard of the invention；
Figure 41 is that the film optical switch in length and breadth of Figure 40 is used for the plan view of keyboard of notebook computer；
Figure 42 is the partial perspective view of the film optical switch in length and breadth of another optical fiber sheet 15-8 and light guide plate 16-1 for keyboard of the invention；
Figure 43 is the main view of Figure 42；
Figure 44 is the cross-sectional view of the part of the photoswitch of Figure 43；
Figure 45 is the main view of another star optical path piece 20-1 for keyboard of the invention；
Figure 46 is the perspective view of Figure 45；
Figure 47 is the explosive view perspective view of Figure 45；
Figure 48 is that the light guide plate 16-1 of another structure of the invention is used for the explosive view perspective view of keyboard；
Figure 49 is Figure 48 partial enlarged view；
Figure 50 is Figure 48 partial enlarged view.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.
Embodiment 1
Such as Fig. 1 -- Figure 27 including optical transmitting set, optical receiver, electronic circuit piece, photoswitch；Optical switch device is provided with flexible blocking elasticity；Body 2-1, blocking on elastomer 2-1 has light blocking part 2-2, motion space 9-1 is blocked blocking to have between elastomer 2-1 and electronic circuit piece, the light emission windows of optical transmitting set and the light-receiving window of optical receiver, which are respectively positioned on, to be blocked in the 9-1 of motion space, light blocking part 2-2, which is located at, to be blocked above the 9-1 of motion space, it blocks to have below body 2-1 and blocks motion space 9-1, photoswitch is made of the light-receiving window of light blocking part 2-2, the light emission windows of optical transmitting set, optical receiver
Such as Fig. 1, block body 2-1 rounded, block body 2-1 by (being best with silastic material) is made in the rubber material of thin wall shape, the circle for blocking body 2-1 domed, it (can also be rounded blocking the interior concave bottom surface of body 2-1 to form the barrier boss 2-3 of long strip type, can also be in shapes such as circular ring shapes -- do not indicated in figure), light blocking part 2-2 is made of barrier boss 2-3, and the upper surface of the downward indent bottom edge of body 2-1 is blocked to have the rounded blocking body bonding plane 2-4 for bonding.
Such as Fig. 2, block body 2-1 by being made in the rubber material of thin wall shape, the arch for blocking body 2-1 rounded, light blocking part 2-2 is made of (light blocking part 2-2 is a part for blocking the thin-walled of body 2-1) the interior concave bottom surface of blocking body 2-1, block the blocking transmittance section 2-8 for having light transmission at the top of body 2-1, the interior concave bottom surface outside the transmittance section 2-8 of body 2-1 is blocked to have reflective layer, there is the rounded blocking body bonding plane 2-4 for bonding in the upper surface for the indent bottom edge for blocking body 2-1, the lower surface of body 2-1 is blocked to be provided with light blocking part 2-2, light blocking part 2-2 is a part for blocking the lower surface of body 2-1.
As Fig. 3, light blocking part 2-2 are made of the annulus barrier rib 2-5 of rounded annular wall-like, it is transparent transmittance section 2-8 in the interior concave bottom surface for blocking body 2-1 and within the scope of annulus barrier rib 2-5, has reflection layer 2-7 in the interior concave bottom surface for blocking body 2-1 and outside annulus barrier rib 2-5 range.
If Fig. 4, light blocking part 2-2 are made of every portion 2-2 the square ring barrier rib 2-6 for the annular wall-like of rounded annular wall-like being square, block transmittance section 2-8, the reflection layer 2-7 and Fig. 3 of body 2-1 same.
If Fig. 5, light blocking part 2-2 are a part for blocking the thin-walled of body 2-1, there is transmittance section 2-8 in the near middle for the interior concave bottom surface for blocking body 2-1, the interior concave bottom surface outside the transmittance section 2-8 for blocking body 2-1 has reflection layer 2-7.
Such as Fig. 6, block body 2-1 in planar, it is other same with such as Fig. 5.
Such as Fig. 1-Fig. 6, block body 2-1 that the various sheetings for having certain elasticity, such as silica gel material, sheet metal material, thin plastic sheet material can be used；Blocking the lower surface of body 2-1, smooth be allowed to can reflected light, the lower surface bonds reflection layer 2-7 of body 2-1 can also be blocked, the lower surface vacuum splashing and plating reflection layer 2-7 (not shown) that body 2-1 can also be blocked is the transmittance section 2-8 of light-permeable at the middle part for blocking body 2-1.
Such as Fig. 7, optical switch device, which is provided with, receives light guide sheet 15-1, light guide sheet 15-1 is received to be made of the diaphragm 7-1 of high transparency, optical transmitting set, optical receiver is light source 4-1 respectively, light-sensitive element 5-1 (the present embodiment is using film crystalline state organic photosensitive element or thin-film solar cells etc.), the light emission outlet that light emission windows are light source 4-1 (the present embodiment is using Organic Light-Emitting Display, that is, OLED or thin-type light emitting element), light-receiving window is the light guide receiving end 7-2 on diaphragm 7-1, the reception through hole 9-3 that diaphragm 7-1 is provided with the blocking through hole 9-2 being made of through hole and is made of through hole, diaphragm 7-1 is provided with guide-lighting optical waveguide 7-3, the light guide receiving end 7-2 of guide-lighting optical waveguide 7-3 is located at the side wall for blocking through hole 9-2 On；The light guide ejecting end 7-5 of guide-lighting optical waveguide 7-3 is the end face of guide-lighting optical waveguide 7-3, end face on guide-lighting optical waveguide 7-3 is located on the side wall for receiving through hole 9-3, the through hole of Blanking Shaping strip on diaphragm 7-1, the through hole constitutes light guide sheet through hole 7-4, the guide-lighting optical waveguide 7-3 of strip is formed by forming light guide sheet through hole 7-4, and the clad material of similar common optical fiber can be filled in light guide sheet through hole 7-4 to improve light in the propagation efficiency of guide-lighting optical waveguide 7-3.
Light source 4-1, light guide receiving end 7-2, light guide ejecting end 7-5, light-sensitive element 5-1 conducting light paths, light source 4-1, light-sensitive element 5-1, which is located at, blocks through hole 9-2, it receives in through hole 9-3, it is blocking above through hole 9-2, it receives to be respectively arranged with above through hole 9-3 and blocks body 2-1, receive partition 2-9, block body 2-1, partition 2-9 is received to be bonded in respectively on diaphragm 7-1, electronic circuit piece is made of (can also be the pcb board and various pcb boards that hard glass fiberboard is made into) film circuit wafer 3-1, film circuit wafer 3-1 and diaphragm 7-1 bonds together and is located at below diaphragm 7-1, when optical switch device is additionally provided with the use of exhaust passage (not shown) switching device, light blocking part 2-2 makes light source 4- The optical signal that 1 light emission windows issue forms the on-off of optical signal in the light-receiving window of light-sensitive element 5-1.
If Fig. 8, reception light guide sheet 15-1 are made of the diaphragm 7-1 of high transparency, guide-lighting optical waveguide 7-3, which is located at, to be blocked through hole 9-2 and receives between through hole 9-3.
Such as Fig. 8 -- Figure 11, high transparency the lower surface of diaphragm 7-1 be provided with light guide ejecting end 7-5, the astigmatism portion 9-4 that light guide ejecting end 7-5 is formed by the astigmatism powder being imprinted on diaphragm 7-1 is constituted, and optical surface injection part is made of astigmatism portion 9-4.
As Figure 10, Figure 11, light source 4-1, light-sensitive element 5-1 are connect with electronic circuit piece, contour 6-1 is provided between diaphragm 7-1 and film circuit wafer 3-1, contour 6-1 is provided with contour light source hole 6-2 and contour receiver hole 6-3, astigmatism portion 9-4 passes through high light source hole 6-2 and light guide receiving end 7-2 conducting light paths by contour receiver hole 6-3 and light-sensitive element 5-1 conducting light paths, light source 4-1.
Such as Figure 13, the disconnected domed shape of body 2-1, body 11-1 (rubber bullet circle 11-3) is resetted using the arch of computer keyboard, arch, which resets the top body 11-1, reset body through hole, the present embodiment uses rubber bullet circle 11-3 (the reset body that computer keyboard generallys use), the top rubber bullet circle 11-3 is provided with arch and resets unthreaded hole 11-2, arch resets unthreaded hole 11-2 through the rubber bullet top circle 11-3 and through barrier boss 2-3, the through hole of rubber bullet circle 11-3 is that arch resets unthreaded hole 11-2, block the blocking body bonding plane 2-4 of body 2-1 Nian Jie with film circuit wafer 3-1, the lower surface for blocking body 2-1 is to block motion space 9-1, electronic circuit piece is made of film circuit wafer 3-1, light source 4 is welded on film circuit wafer 3-1 - 1, light-sensitive device 5-1, there is space between light source 4-1, light-sensitive device 5-1, light source 4-1, light-sensitive device 5-1 (are the electronic component of patch or are located in blocking motion space 9-1 for organic optical element --- OLED, organic photosensitive element), motion space 9-1 is blocked to be made of the upper surface of film circuit wafer 3-1 with the space for blocking the inner surface of body 2-1 to surround, blocking motion space 9-1 is enclosure space；The light emission windows of light source 4-1 may also be at the plane vertical with the lower surface of motion space 9-1 is blocked (i.e. the LED of the luminous patch in selection side).
Such as Figure 14, the domed shape of body 2-1 is blocked, blocks the blocking body bonding plane 2-4 of body 2-1 Nian Jie with film circuit wafer 3-1.As there is the supporting plate through hole 14-6 through plate face on Figure 15, bottom plate 14-2, block the domed shape of body 2-1, it blocks the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of bottom plate 14-2, motion space 9-1 is blocked to be made of the upper surface of film circuit wafer 3-1, supporting plate through hole 14-6, the space for blocking the inner surface of body 2-1 to surround.
As Figure 16, Figure 17, light source 4-1 use direct chip attachment in film circuit wafer 3-1 using chip and light-sensitive element, then it is sealed with glue sticking and blocks motion space 9-1, single blocking body 2-1 is directly bonded on film circuit wafer 3-1 and forms gas spring, this scheme blocks body 2-1 preferably to use relatively thin wall thickness.
Such as Figure 18, block the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of the upper surface of light guide sheet, light guide sheet is made of optical fiber sheet 15-8, optical fiber 15-4 has been embedded in optical fiber sheet 15-8, one end of optical fiber 15-4 is located at the side wall for blocking through hole 9-2, and be located at and block in the 9-1 of motion space, the other end of optical fiber 15-4 and the light-sensitive device 5-1 conducting light paths on right side.
Such as Figure 18, Figure 19, it blocks the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of the upper surface of light guide sheet, leads Mating plate is made of optical fiber sheet 15-8, optical fiber 15-4 has been embedded in optical fiber sheet 15-8, it is connected with light guide plate 16-1 below optical fiber sheet 15-8, there are the light emission windows of light guide plate 16-1 in the upper surface light guide plate 16-1, the light emission windows of light guide plate 16-1, which are located at, to be blocked in the 9-1 of motion space.The light emission windows of light guide plate 16-1 are constituted from the upper surface light guide plate 16-1 is molding to the light guide plate concave hole 16-2 of lower recess, optical surface injection part is made of light guide plate concave hole 16-2, and the light emission windows of light guide plate 16-1 can also be made of the optical material that the upper surface light guide plate 16-1 is printed.
Such as Figure 20, Figure 21, block the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of the upper surface of light guide sheet, light guide sheet has the guide-lighting optical waveguide 7-3 of transmitting, receive guide-lighting optical waveguide 7-3, light guide sheet is made of optical fiber sheet 15-8, emit guide-lighting optical waveguide 7-3, leaded light optical waveguide 7-3 is received respectively by launching fiber 15-4, reception optical fiber 15-4 is constituted, one end of launching fiber 15-4 is located in the blocking motion space 9-1 blocked below body 2-1, the other end and light source 4-1 conducting light paths of launching fiber 15-4, one end of launching fiber 15-4 is located in the blocking motion space 9-1 blocked below body 2-1, the other end and light-sensitive device 5-1 conducting light paths of launching fiber 15-4.
Such as Figure 22, block the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of the upper surface of light guide sheet, light guide sheet is made of optical fiber sheet 15-8, reflected light can be slided by blocking the lower surface light of body 2-1, the lower surface bonds reflection layer 2-7 that body 2-1 can also be blocked can also block the lower surface vacuum splashing and plating reflection layer 2-7 (not shown) of body 2-1；OLED piece 3-2 is connected with below optical fiber sheet 15-8, light source 4-1 is located in OLED piece 3-2, and the light emission windows of the light source 4-1 of OLED piece 3-2 are located at the upper surface of OLED piece 3-2, and the light emission windows of the light source 4-1 of OLED piece 3-2, which are located at, to be blocked in the 9-1 of motion space.The end face of optical fiber 15-4 constitutes the light-receiving window of optical fiber 15-4.The end face of optical fiber 15-4 is located on the side wall of blocking through hole 9-2 of optical fiber sheet 15-8.
Such as Figure 23, it blocks body 2-1 in planar, blocks the blocking body bonding plane 2-4 of body 2-1 Nian Jie with the upper surface of the upper surface of light guide sheet, light guide sheet is made of optical fiber sheet 15-8.
There is arch to reset body 11-1 such as Figure 24, above blocking body 2-1, arch resets body 11-1 and is made of flexible metal clips, there is diaphragm 7-1 blocking below body 2-1, diaphragm 7-1 has the blocking through hole 9-2 through film, this reality the present embodiment is using the metal metal dome 8-1 (resetting body) being commonly applied on mobile phone in the past, it is now still widely used on the thin film circuit keypad and remote controler of metal contact switch, metal metal dome 8-1, which is located at, to be blocked right above body 2-1.
Arch reset body 11-1 is provided with such as Figure 25, above blocking body 2-1, arch resets body 11-1 and is made of flexible rubber bullet circle 11-3, there is diaphragm 7-1 blocking below body 2-1, there is the blocking through hole 9-2 through film on diaphragm 7-1, rubber bullet circle 11-3 is now widely applied on computer keyboard, and rubber bullet circle 11-3, which is located at, to be blocked right above body 2-1.
It is arranged such as Figure 24, Figure 25, below rubber bullet circle 11-3 or metal metal dome 8-1 and blocks body 2-1, and the blocking motion space 9-1 below body 2-1 will be blocked to close (this scheme most Cui).Rubber bullet circle 11-3 or metal metal dome 8-1, which are located at, blocks body Above 2-1, optical transmitting set, optical receiver are the electronic component for being encapsulated as patch, optical transmitting set, optical receiver are to be respectively adopted light source 4-1 small in size and thin thickness, light-sensitive element 5-1, electronic circuit piece is made of film circuit wafer 3-1, it is welded with light source 4-1, light-sensitive element 5-1 in the near middle of film circuit wafer 3-1, has sending and receiving space between light source 4-1 and light light-sensitive element 5-1.
Optical transmitting set such as uses the light source 4-1 without encapsulation of state-of-the-art technology, and light source 4-1 minimum dimension is 1.6mm*0.8mm*0.4mm, and it is best with transparent material glue encapsulation scheme that light source 4-1 chip and photosensor chip, which use and be directly welded at film circuit wafer 3-1 then,.
If the luminous surface of Figure 14, light source 4-1 are light emission windows, the light receiving surface of light-sensitive element 5-1 is light-receiving window, and light source 4-1 be divided to shine and the luminous two kinds of light emitting species in upper surface for side.
The great advantage that the blocking body 2-1 of micro travel is arranged is to block body 2-1 using micro travel (about 0.2mm stroke), disconnected elastomer 2-1 uses the preferable silastic material of mobility (to be injection molded into most preferably using liquid silicon rubber material simultaneously, the hardness of silastic material is answered between 30 degree to 40), block body 2-1 accurately there can be sending and receiving space between light source 4-1 and light light-sensitive element 5-1 convenient for the barrier boss 2-3 (light blocking part 2-2) on blocking body 2-1 using micro travel, body 2-1 is blocked to be conducive to extend the service life for blocking body 2-1 using the lower silastic material of hardness, can make that body 2-1 is blocked reliably to block optical path using lesser touch pressure simultaneously, preferable feel when on & off switch is struck to obtain.
Blocking motion space 9-1 is enclosure space, and enclosure space is the blocking body 2-1 of Bao Bizhuan, motion space 9-1 to be blocked to form gas spring by forming the upper surface for blocking the lower end body 2-1 to be bonded in film circuit wafer 3-1；Can also the blocking gas vent (not shown) of exhaust be set on disconnected elastomer 2-1, then is bonded dustproof filter material on blocking body 2-1, which prevents dust from entering from blocking gas vent and block motion space 9-1.
The light emission windows of the composition photoswitch of switching device, light-receiving window, light blocking part 2-2 are closed in enclosure space；Blocking body 2-1 also can be blocking body 2-1, light blocking part the 2-2 setting of rubber material on flexible blocking body 2-1；Blocking body 2-1 also can be the metal clips of metal material, and light blocking part 2-2 is arranged on flexible metal clips；Light blocking part 2-2 also can be rubber material, and the light blocking part 2-2 of rubber material is bonded on the lower surface of metal clips.
Such as Figure 13, Figure 26, Figure 27, body 2-1 is blocked to constitute or block body 2-1 to be made of rubber bullet circle 11-3 by metal metal dome 8-1.
Rubber bullet circle 11-3 or metal metal dome 8-1 is directly bonded on film circuit wafer 3-1 that (rubber bullet circle 11-3 or metal metal dome 8-1, which also serve, blocks body 2-1, but effect is weaker), metal metal dome 8-1 resets its elastic force of body 11-1 generally about 100g as the arch of key apparatus, since metal metal dome 8-1 is harder when metal metal dome 8-1 is pressed, the propagation of light can not reliably be stopped, it is bonded silicon rubber such as at metal metal dome 8-1 as barrier boss 2-3, is used for a long time and degumming phenomenon easily occurs；Rubber bullet circle 11-3 resets its elastic force of body 11-1 generally about 65g, the stroke of rubber bullet circle 11-3 as the arch of existing key board unit Larger (about 1.8mm-2.5mm), when key apparatus is moved to lowest order from highest order, rubber bullet circle 11-3 by keycap 14-1 it is downward force contracting, due to the presence of mismachining tolerance, film circuit wafer 3-1 can not be completely parallel to during keycap 14-1 downlink, when especially striking the four corners of keycap 14-1, not all right degree is in 0.25mm -0.35mm during the keycap 14-1 downlink of keyboard of notebook computer, when keycap 14-1 pushes rubber bullet circle 11-3 to move down, the top of rubber bullet circle 11-3 will generate the displacement of biggish horizontal direction, there is sending and receiving space to influence barrier boss 2-3 and accurately enter between light source 4-1 and light light-sensitive element 5-1, the elastic force generally about 65g of rubber bullet circle 11-3 simultaneously, rubber bullet circle 11- 3 must use the silastic material of certain degree of hardness to ensure reset force, to cause the poor reliability of barrier boss 2-3 partition light source and service life low.
Such as Fig. 7 --- Figure 27, photoswitch are by having the blocking body 2-1 of flexible thin wall shape, motion space 9-1, light emission windows and light-receiving window being blocked to constitute, wherein, it blocks to have below body 2-1 and blocks motion space 9-1, light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space；It blocks elastomer 2-1 domed, block motion space 9-1 by the space below blocking elastomer 2-1 and through hole 9-2 is blocked to constitute or blocks elastomer 2-1 in planar, blocking motion space 9-1 is made of blocking through hole 9-2；Light emission windows and light-receiving window form an angle about 90 degree.
Optical transmitting set is light source 4-1, optical receiver is light-sensitive device 5-1, and electronic circuit piece is made of I electronic circuit piece, II electronic circuit piece, light source 4-1, OLED light source, organic photosensitive element are individually enclosed in I electronic circuit piece, II electronic circuit.
Optical switch device, which is provided with, receives light guide sheet 15-1, receives light guide sheet 15-1 and electronic circuit piece is stacked together, and the light emission windows of light-sensitive device 5-1 or light-sensitive device 5-1, which are located at, to be blocked in through hole 9-2.
Optical transmitting set is light source 4-1, and paster LED or OLED or LED etc. can be used in light source 4-1, and light source 4-1, light-sensitive element 5-1 are encapsulated in electronic circuit piece, and light emission windows are located at the light guide ejecting end 7-5 of light source 4-1；Optical receiver is light-sensitive device 5-1, and patch photodiode, patch phototriode, organic photosensitive element etc. can be used in light-sensitive device 5-1, and the reception window of optical receiver is located at the optical receiving end of light-sensitive device 5-1；Optical transmitting set is made of light source 4-1, transmitting leaded light optical waveguide 7-3, and the guide-lighting one end optical waveguide 7-3 of transmitting is corresponding with the position light source 4-1, and the other end is guide emission end 10-2, and light emission windows are made of guide emission end 10-2；Optical receiver is made of light-sensitive device 5-1, reception leaded light optical waveguide 7-3, and the guide-lighting one end optical waveguide 7-3 of reception is corresponding with the position light-sensitive device 5-1, and the other end is light guide receiving end 7-2, and light-receiving window is made of light guide receiving end 7-2；It receives leaded light optical waveguide 7-3 or transmitting leaded light optical waveguide 7-3 is made of optical fiber 15-4 or is made of guide-lighting optical waveguide 7-3 or is made of planar optical waveguide or is made of optical waveguide optical slot etc.；When body 2-1 being blocked to be depressed, light blocking part 2-2 can block the optical path of light emission windows Yu light-receiving window.
Light blocking part 2-2 blocks light emission windows and the optical path of light-receiving window, and there are four types of modes:
1, when blocking body 2-1 to be pressed down, the lower surface of body 2-1 is blocked directly to cover the light guide ejecting end 7-5 (light emission windows) of light source 4-1；
2, when blocking body 2-1 to be pressed down, the lower surface of body 2-1 is blocked directly to cover the optical receiving end (light-receiving window) of light-sensitive device 5-1；
3, when blocking body 2-1 to be pressed down, the lower surface of body 2-1 is blocked directly to cover the optical receiving end of light-sensitive device 5-1 and the light guide ejecting end 7-5 of light source 4-1 simultaneously；
4, when blocking body 2-1 to be pressed down, the barrier boss 2-3 or annulus barrier rib 2-5 of the lower surface body 2-1 or side ring barrier rib 2-6 is blocked to block the propagation optical path of light；
This requires block body 2-1 under the premise of guaranteeing back stretch, block body 2-1 it is softer, barrier optical path can be closed under pressure, with use liquid silicon rubber material be injection moulded blocking body 2-1 be it is best, the hardness of silastic material is answered between 30 degree to 40.
Body 2-1 is blocked also to be attached to the upper surface of electronic circuit piece or be connected to the upper surface of light guide sheet or be connected to or be connected to, light guide sheet is connect with OLED piece 3-2 again.
Body 2-1 is blocked to be connected to the upper surface of electronic circuit piece by blocking body bonding plane 2-4 or be connected to the upper surface of light guide sheet or be connected to the upper surface of bottom plate 14-2 or be connected to the upper surface of OLED piece 3-2.
Optical switch device is provided with light guide sheet, light guide sheet is by transmitting light guide sheet, light guide sheet composition or light guide sheet is received to be made of transmitting light guide sheet or reception light guide sheet, transmitting light guide sheet has the guide-lighting optical waveguide 7-3 of transmitting, receiving light guide sheet has the guide-lighting optical waveguide 7-3 of reception, the one end for emitting guide-lighting optical waveguide 7-3 is located in the blocking motion space 9-1 blocked below body 2-1, emit the other end and light source 4-1 conducting light paths of guide-lighting optical waveguide 7-3, the one end for receiving guide-lighting optical waveguide 7-3 is located in the blocking motion space 9-1 blocked below body 2-1, receive the other end and light-sensitive device 5-1 conducting light paths of guide-lighting optical waveguide 7-3.
Emit guide-lighting optical waveguide 7-3, receive leaded light optical waveguide 7-3 by be located at transmitting light guide sheet, receive the optical fiber 15-4 in light guide sheet constitute or emit guide-lighting optical waveguide 7-3, receive leaded light optical waveguide 7-3 be made of or emit respectively leaded light optical waveguide 7-3 leaded light optical waveguide 7-3, reception leaded light optical waveguide 7-3 by be respectively high transparency planar optical waveguide.
Optical switch device is provided with electronic circuit piece or is provided with OLED piece 3-2, there is the blocking through hole 9-2 through transmitting light guide sheet in transmitting light guide sheet, emit light guide sheet and be located at and block between body 2-1 and electronic circuit piece or between OLED piece 3-2, motion space 9-1 is blocked to constitute or block motion space 9-1 to be formed by the space that the upper surface of the blocking through hole 9-2 and OLED piece 3-2 in the lower surface of blocking body 2-1, light guide sheet is formed by the space that the upper surface of blocking through hole 9-2, electronic circuit piece in the lower surface of blocking body 2-1, light guide sheet are formed.
Optical switch device is additionally provided with optical receiver, and optical receiver is light-sensitive device 5-1, and light-sensitive device 5-1, which is located at, to be blocked motion space 9-1 and connect or connect with OLED piece 3-2 or light-sensitive device 5-1 is located in OLED piece 3-2 with electronic circuit piece.
Light guide sheet is made of reception light guide sheet, receives the blocking through hole 9-2 having in light guide sheet through light guide sheet is received, and motion space 9-1 is blocked to constitute or block motion space 9-1 by the sky below blocking through hole 9-2, blocking body 2-1 by blocking through hole 9-2 Between constitute.
Optical switch device is additionally provided with electronic circuit piece or OLED piece 3-2, receives light guide sheet and is located between blocking body 2-1 and electronic circuit piece or between OLED piece 3-2.
Optical switch device is additionally provided with optical transmitting set, and optical transmitting set is light source 4-1, and light source 4-1 is connect in blocking motion space 9-1 and with electronic circuit piece or light source 4-1 is located in blocking motion space 9-1 and in OLED piece 3-2.
Light guide sheet is made of transmitting light guide sheet, reception light guide sheet, receive the blocking through hole 9-2 having in light guide sheet through light guide sheet is received, it blocks motion space 9-1 to constitute or block motion space 9-1 by blocking through hole 9-2 by blocking through hole 9-2, the space below body 2-1 is blocked to constitute, receives light guide sheet and be located between blocking body 2-1, transmitting light guide sheet.
Light guide sheet is made of transmitting light guide sheet, reception light guide sheet, there is the blocking through hole 9-2 through transmitting light guide sheet in transmitting light guide sheet, motion space 9-1 is blocked to constitute or block motion space 9-1 by blocking through hole 9-2 by blocking through hole 9-2, the space below body 2-1 is blocked to constitute, transmitting light guide sheet, which is located at, to be blocked body 2-1, receives between light guide sheet.
Optical switch device has optical transmitting set, and optical transmitting set is light source 4-1, and light source 4-1 is LED or OLED or PLED.
Optical switch device, which has, blocks motion space 9-1, and motion space 9-1 is blocked to be connected to the blocking gas vent of exhaust.It is mounted with dustproof filter material on blocking gas vent, which prevents dust from entering from blocking gas vent and block motion space 9-1.
A kind of optical switch device of film optical switch device of the invention is arranged by minimum of one；The optical switch device of film optical switch device is arranged by minimum a line or is arranged by minimum two row；The blocking motion space 9-1 of optical switch device is enclosure space or close enclosure space；The blocking motion space 9-1 of optical switch device is enclosure space, rows of blocking motion space 9-1 connection.
The communication interface connection that the blocking motion space 9-1 of rows of connection is connect by connection with connection, communication interface is connected to outside or the blocking motion space 9-1 of rows of connection is connected to the airbag of flexible thin wall shape.
Since the transmission of light has invertibity, can exchange the position light source 4-1, light-sensitive device 5-1 in film circuit wafer 3-1 also can be achieved object above, by the position light source 4-1, the position light-sensitive device 5-1 after film circuit wafer 3-1 exchange, the transmission direction of light is exactly the opposite, the receiving end of such as optical fiber, transmitting terminal are also exactly the opposite, and the position light source 4-1, the position light-sensitive device 5-1 are exchanged the also equivalent present invention in film circuit wafer 3-1.
Embodiment 2
A kind of membrane keyboard optical switch device (not shown) of the invention includes metal metal dome 8-1, the film for being printed on character, corresponding position is provided with metal metal dome 8-1 above film optical switch device, and the film for being printed on character is provided with above metal metal dome 8-1.
Remaining is same with embodiment 1.
Embodiment 3
It such as Figure 28, is one unit key apparatus of existing keyboard of notebook computer, existing keyboard of notebook computer is made of keycap 14-1, bottom plate 14-2, film switch circuit piece 3-3, reset body (rubber bullet circle 11-3 or metal metal dome 8-1), scissors support 14-4；Wherein, scissors supports 14-4 to cooperate respectively with the interconnecting piece of the interconnecting piece of keycap 14-1, bottom plate 14-2, rubber bullet circle 11-3 is between keycap 14-1, bottom plate 14-2, the upper surface keycap 14-1 silk has character, light guide plate 16-1 is located at below bottom plate 14-2 and connect with bottom plate 14-2, film switch circuit piece 3-3 is located above bottom plate 14-2 and connect with bottom plate 14-2, and rubber bullet circle 11-3 pushes up keycap 14-1 to the upper limit position of key apparatus；Photoswitch is corresponding with the position of the near middle of keycap 14-1, and the light emission windows (not shown) of the upper surface light guide plate 16-1 and the character conducting light paths of the upper surface keycap 14-1 make character luminous.When use, keycap 14-1 is under external force, keycap 14-1 overcomes the elastic force of rubber bullet circle 11-3, it moves down, wherein scissors support 14-4 makes keycap 14-1 and bottom plate 14-2 keeping parallelism, the switch contact on boss (not shown) triggering film switch circuit piece 3-3 when keycap 14-1 is moved downward to the lower limit position of key apparatus, in rubber bullet circle 11-3, the circuit of film switch circuit piece 3-3 is connected, and the CPU of key apparatus detects pressing for keycap 14-1.
Existing keyboard of notebook computer generallys use film switch circuit piece 3-3, film switch circuit piece 3-3 is made of three-layer thin-film, wherein the equal silk-screen of upper layer and lower layer has the switch contact of silver paste printing ink material, the switch contact is very thin, -- oxidation -- abrasion ... is easily worn during Reusability, it is used for a long time, the sensitivity decline and failure of film switch circuit piece 3-3.
Since the switch contact on film switch circuit piece 3-3 is located at the lower section of rubber bullet circle 11-3 inner surface, the light transmission launch window (not shown) of light guide plate 16-1 can only be with the four corners of the lower surface keycap 14-1 and four lower chimb conducting light paths, to make character luminous, character luminous directly cannot be made with shortest optical path, it is longer by optical path, character luminous must be kept clearly visible using the biggish LED of power and thicker light guide plate 16-1, Gua passes through the four corners and four lower chimbs and character conducting light paths of the lower surface keycap 14-1 due to existing keyboard of notebook computer, this light for resulting in the sending of light transmission launch window (not shown) projects (and brightness is higher) from keycap 14-1 surrounding, it is used for a long time, easily cause user's eyes uncomfortable and damage.
Such as Figure 29, a kind of keyboard optical switch device of the invention (figure is a unit key apparatus), the present invention is using the light emission windows of the light emission windows or light guide plate 16-1 that make LED located immediately at the lower section of rubber bullet circle 11-3 inner surface, shortening optical path makes character luminous, lower-powered LED and relatively thin light guide plate 16-1, which can be used, makes character luminous, it is apparent that thoroughly solving the problems, such as that light is leaked out from keycap 14-1 surrounding.Pass through LED or light guide plate 16-1 simultaneously and increases light-sensitive device 5-1 or light-sensitive device 5-1, receives light guide sheet 15-1 formation photoswitch, photoswitch of the invention is not under the premise of increasing key apparatus, thoroughly solve, using several years, the sensitivity of film switch circuit piece 3-3 declines and the chronic illness of the metal contact switches such as failure.
Optical switch device of the invention includes keycap 14-1, bottom plate 14-2, photoswitch, wherein keycap 14-1 is moved up and down relative to bottom plate 14-2, photoswitch is provided with flexible blocking body 2-1, blocks motion space 9-1, light emission windows and light-receiving window, it blocks to have below body 2-1 and blocks motion space 9-1, light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space； Body 2-1 is blocked to be located at immediately below rubber bullet circle 11-3, scissors supports 14-4, scissors supports the 14-4 interconnecting piece with keycap 14-1 respectively, the interconnecting piece of bottom plate 14-2 connects, optical switch device is located at below the bottom plate 14-2 of key apparatus, the position of photoswitch and the supporting plate through hole 14-6 position alignment of bottom plate 14-2, keycap 14-1 can be moved up and down along Z-direction, the position corresponding with motion space 9-1 is blocked bottom plate 14-2 is provided with the bottom plate through hole 14-6 through bottom plate 14-2, the electronic circuit piece of film optical switch device connect with bottom plate 14-2 and is located at below bottom plate 14-2, it resets body upper end and is provided with arch reset unthreaded hole 11-2, it blocks the top elastomer 2-1 to have and blocks transmittance section 2-8.
Body is resetted between keycap 14-1 and optical switch device, resetting body is that arch resets body 11-1 or spring or magnetic substance, it is corresponding with the blocking position body 2-1 of optical switch device that arch resets body 11-1, wherein arch, which resets the top body 11-1, has arch to reset unthreaded hole 11-2 (referring to Figure 13, Figure 24, Figure 29), and arch resets body 11-1 and is made of metal metal dome 8-1 or rubber bullet circle 11-3.
Keycap 14-1 is printed on character, the character conducting light paths on rubber bullet circle 11-3 and keycap 14-1, and the upper end rubber bullet circle 11-3 has arch to reset unthreaded hole 11-2 (referring to fig. 2 9), and arch resets the character conducting light paths on unthreaded hole 11-2 and keycap 14-1；Rubber bullet circle 11-3 or arch reset unthreaded hole 11-2 and block the transmittance section 2-8 conducting light paths of body 2-1.
The upper surface of guide-lighting plate unit 16-4 is additionally provided with light transmission launch window, the character and light transmission launch window conducting light paths of keycap；The light emission windows of guide-lighting plate unit 16-4 are located at the leaded light upper surface plate unit 16-4.
When key apparatus uses: keycap 14-1 is depressed, and rubber bullet circle 11-3 is pushed to move down, and rubber bullet circle 11-3 blocks body 2-1 to move down, and body 2-1 is blocked to block the optical path of light emission windows and light-receiving window；Rubber bullet circle 11-3 resets, and body 2-1 is blocked to reset, and keycap 14-1 resets, conducting light paths.
Optical switch device is located at below bottom plate 14-2, and bottom plate 14-2 and the blocking position body 2-1 corresponding position offer supporting plate through hole 14-6, light source 4-1, body 2-1 is blocked to be located in supporting plate supporting plate through hole 14-6.
It is that arch resets body 11-1 that reset body, which can also be used, and it is to block body 2-1 scheme (cancel blocking body 2-1, substituted by rubber bullet circle 11-3, this scheme is bad) that arch, which resets body 11-1,.
As Figure 30, optical switch device are arranged by a line arrangement or optical switch device by minimum two row；The optical switch device of the present embodiment is arranged by six rows.
Optical switch device is arranged by minimum a line, the guide-lighting optical waveguide 7-3 for receiving light guide sheet 15-1 is made of slanting guide-lighting optical waveguide 7-3, the guide-lighting optical waveguide 7-3 being arranged in a row, the round and smooth connection of the slanting leaded light optical waveguide 7-3 and guide-lighting optical waveguide 7-3 being arranged in a row and conducting light paths, the guide-lighting optical waveguide 7-3 received on light guide sheet 15-1 links together and in the form of sheets by optical waveguide covering, there is the blocking through hole 9-2 of through hole composition on receiving light guide sheet 15-1 and with the corresponding position of slanting leaded light optical waveguide 7-3.
Optical switch device is arranged by minimum a line, light guide sheet 15-1 is received to be made of optical fiber sheet 15-8, optical fiber sheet 15-8 is made of symmetric fiber piece 15-6 or end optical fiber sheet 15-7, slanting leaded light optical waveguide 7-3 is oblique smooth pricker 15-3, the guide-lighting optical waveguide 7-3 being arranged in a row is row light pricker 15-2, and optical waveguide covering is filler.
Receive guide-lighting optical waveguide 7-3, light guide sheet is received to be made of reception light guide sheet 15-1, it receives guide-lighting optical waveguide 7-3 (the present embodiment uses optical fiber 15-4) to be made of oblique row optical path, row optical path, oblique row optical path is oblique smooth pricker 15-3, row optical path is row light pricker 15-2；The round and smooth connection of oblique smooth pricker 15-3 and row light pricker 15-2 and conducting light paths, have in the corresponding position for receiving light guide sheet 15-1 and oblique smooth pricker 15-3 through the blocking through hole 9-2 for receiving light guide sheet 15-1；Blocking through hole 9-2 is circular hole.
It receives light guide sheet 15-1 to be made of end optical fiber sheet 15-7, the end face of the row light pricker 15-2 of optical fiber sheet 15-7 is held to be respectively positioned on the side of end optical fiber sheet 15-7, optical fiber 15-4 is linked together by filler and forms sheet, and filler constitutes the covering of optical fiber 15-4.
As Figure 31, optical switch device are provided with transmitting light guide sheet, transmitting light guide sheet is made of the light guide plate 16-1 of flaky high light transmission material, guide plate light input end 16-3 and light source the 4-1 conducting light paths of light guide plate 16-1, the light emission windows of light guide plate 16-1, which are located at, to be blocked in the 9-1 of motion space.
Light guide plate 16-1 is separated into minimum two guide-lighting plate unit 16-4 by divider 16-7, and guide-lighting plate unit 16-4 is arranged in columns, and the guide plate light input end 16-3 and light source 4-1 of guide-lighting plate unit 16-4 is corresponded.
The divider 16-7 of light guide plate 16-1 is made of the hole through light guide plate 16-1 or the divider 16-7 of light guide plate 16-1 is made of groove or the divider 16-7 of light guide plate 16-1 is made of the optical material that the upper surface light guide plate 16-1 is printed.
The light emission windows of light guide plate 16-1 are located at the upper surface light guide plate 16-1.
The light emission windows of light guide plate 16-1 from the upper surface light guide plate 16-1 it is molding constituted to the light guide plate concave hole 16-2 of lower recess or by the upper surface light guide plate 16-1 print optical material constitute；Guide-lighting plate unit 16-4 and Y-direction form an angle inclination arrangement.
Light guide plate 16-1 is separated into multiple guide-lighting plate unit 16-4 by a plurality of light blocking 16-5, light blocking 16-5 can process recessed groove on light guide plate 16-1 and be formed, long strip through hole can also be punched on light guide plate 16-1 to be formed, light blocking 16-5 can also be processed into non-reflective hair side to be formed, light blocking 16-5 light guide ink can also be applied and be formed.
As Figure 31, Figure 32, each guide-lighting plate unit 16-4 are corresponding with the minimum of one transmitting LED of unlike signal feature, different distinguishing characteristics signals the optical signal of Y1-Y15 totally 15 unlike signal features (the present embodiment using) is transmitted in i.e. each guide-lighting plate unit 16-4, light blocking 16-5 plays the different distinguishing characteristics signal of the adjacent guide-lighting plate unit 16-4 of barrier and mutually transmits, when light guide plate 16-1 is applied to computer keyboard, guide-lighting plate unit 16-4 is diagonally disposed.
Such as Figure 32 -- Figure 37 light guide plate 16-1, which is located at, to be received below light guide sheet 15-1, and the light emission windows of light guide plate 16-1 are located at The upper surface light guide plate 16-1.The one end and light-sensitive device 5-1 conducting light paths, light-sensitive device 5-1 for receiving guide-lighting optical waveguide 7-3 are located at the side of end optical fiber sheet 15-7；Optical transmitting set is light source 4-1, and light source 4-1, which is located at, to be blocked in the 9-1 of motion space.
Guide plate light input end 16-3 and light source the 4-1 conducting light paths of light guide plate 16-1, the light emission windows of light guide plate 16-1, which are located at, to be blocked in the 9-1 of motion space；Light guide plate 16-1 is separated into minimum two guide-lighting plate unit 16-4 by divider 16-7, and guide-lighting plate unit 16-4 is arranged in columns, and the guide plate light input end 16-3 and light source 4-1 of guide-lighting plate unit 16-4 is corresponded.
Such as Figure 36, block body 2-1 rounded and domed, rows of blocking body 2-1 is connected to sheet.
Such as Figure 37, body 2-1 is blocked to be in whole sheet.
Such as Figure 29 -- there are the reception light guide sheet 15-1 of receiving light path in 37, a kind of key optical switch device for having blocking body and blocking motion space, including keycap 14-1, bottom plate 14-2, electronic circuit piece, optical transmitting set, optical receiver, photoswitch,
Photoswitch, which is provided with, blocks body 2-1, motion space 9-1 is blocked blocking to have below body 2-1, light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space, photoswitch is made of blocking body 2-1, blocking motion space 9-1, light emission windows, light-receiving window, switching device is in use, the optical signal for blocking body 2-1 to issue light emission windows forms the on-off of optical signal in light-receiving window；Blocking motion space 9-1 is by being arranged on flaky reception light guide sheet 15-1 in length and breadth, and it is constituted through the blocking through hole 9-2 for receiving light guide sheet 15-1, the receiving light path on light guide sheet 15-1 is received by rows of row optical path and is tilted a certain angle the light path angle section formed with row optical path and constitutes, row optical path and the round and smooth connection of light path angle section and conducting light paths, the end face of the light path angle section of each receiving light path is corresponded with a blocking motion space 9-1, the end face of light path angle section constitutes light-receiving window and is located on the side wall for blocking motion space 9-1, the end face of row optical path be respectively positioned on receive light guide sheet 15-1 outside and with optical receiver conducting light paths.
The settable light guide plate 16-1 of key optical switch device, the light emission windows of the upper surface light guide plate 16-1 are located in blocking motion space 9-1 or the light emission windows of the optical transmitting set of electronic circuit on piece are located in blocking motion space 9-1；Reception light guide sheet 15-1 is stacked with light guide plate 16-1 or electronic circuit piece to be connect and is located at bottom plate 14-2 below bottom plate 14-2, bottom plate 14-2 is in position corresponding with motion space 9-1 is blocked, supporting plate through hole 14-6 is offered, body 2-1 is blocked to be located in supporting plate through hole 14-6.
Remaining is same with embodiment 1.
Embodiment 4
If the light guide sheet of Figure 38, the optical switch device of optical switch device of the invention is to receive light guide sheet 15-1, receives light guide sheet 15-1 and be made of symmetric fiber piece 15-6, symmetric fiber piece 15-6 is located at below bottom plate 14-2.
Reduce light loss such as Figure 39, Figure 40, Figure 41, to shorten the biography Fan distance of optical fiber, optical receiver can also be arranged in the both ends for receiving light guide sheet 15-1, with in a line, if the optical receiver in left side receives the signal of upper half group optical fiber, the optical receiver on right side receives the signal of lower half group optical fiber；Symmetric fiber piece and end optical fiber sheet have the guide-lighting optical waveguide 7-3 of reception, receive guide-lighting optical waveguide 7-3 It is made of optical fiber 15-4, optical fiber 15-4 is linked together by filler and forms the symmetric fiber piece 15-6 or end optical fiber sheet 15-7 of sheet, the position of lower section of the row light pricker 15-2 of symmetric fiber piece 15-6 between two line unit cap 14-1；The row light pricker 15-2 of symmetric fiber piece 15-6 is located at the position between the interconnecting piece of the bottom plate 14-2 below two line unit cap 14-1；The end face of the row light pricker 15-2 of symmetric fiber piece 15-6 is located at the two sides of symmetric fiber piece 15-6, and filler constitutes the covering of optical fiber 15-4；The one end and light-sensitive device 5-1 conducting light paths, light-sensitive device 5-1 for receiving guide-lighting optical waveguide 7-3 are located at the two sides of symmetric fiber piece 15-6.
Remaining is same with embodiment 2.
Embodiment 5
If Figure 42, Figure 43, Figure 44, leaded light plate unit 16-4 form light guide plate leaded light cantilever 16-5 by being punched strip hole, guide plate leaded light cantilever end 16-6 constitutes light emission windows；Light guide sheet 15-1 is received to be located above light guide plate 16-1, there is light guide sheet through hole 7-4 receiving light guide sheet 15-1 punching shaping, light guide plate leaded light cantilever 16-5 is extended upwardly to by the light guide sheet through hole 7-4 of guide-lighting plate unit 16-4 receives the place light guide sheet 15-1 plate face, is located at the cantilever end of light guide plate leaded light cantilever 16-5 and receives the place light guide sheet 15-1 plate face；Reception light guide sheet 15-1 can also be used and be located at (not shown) below light guide plate 16-1, the light guide plate leaded light cantilever 16-5 of light guide plate 16-1 is extended downwardly by the plate face of light guide plate 16-1, is located at the cantilever end of light guide plate leaded light cantilever 16-5 and is received the place light guide sheet 15-1 plate face.
Remaining is same with embodiment 2.
Embodiment 6
Such as Figure 45, Figure 46, Figure 47, reception light guide sheet 15-1 are made of star optical path piece 20-1, blocking has a light source 4-1 in through hole 9-2 or has the launch window of a light guide plate 16-1, and each launch window of each light source 4-1 or light guide plate 16-1 emit different signal characteristics；Star optical path piece 20-1 has the road n leaded light optical waveguide 7-3, one end of guide-lighting optical waveguide 7-3 is to receive window, the side wall for receiving window and being located at a blocking through hole 9-2 of guide-lighting optical waveguide 7-3, the other end of guide-lighting optical waveguide 7-3 in cross and with a light-sensitive device 5-1 conducting light paths, wherein n be natural number.
Optical switch device is arranged by a line or is arranged by minimum two row that when optical switch device is arranged by a line, light-sensitive device 5-1 is located at the side of the row of optical switch device；When minimum two row of optical switch device is arranged, light-sensitive device 5-1 is between two row optical switch devices.
Remaining is same with embodiment 2.
Embodiment 7
As Figure 48, Figure 49, Figure 50, optical switch device are provided with transmitting light guide sheet, transmitting light guide sheet is made of the office light guide plate 16-8 of flaky high light transmission material, office light guide plate 16-8 is made of unit office light guide plate 16-9, and unit office light guide plate 16-9 is located at below keycap 14-1 and corresponding with the position keycap 14-1.
Key apparatus arrangement in a row (the present embodiment is by taking two rows, eight keys as an example), office light guide plate 16-8 is provided with divider 16-7, office light guide plate 16-8 below adjacent keycap 14-1 is separated into and the one-to-one unit office light guide plate 16-9 of keycap 14-1 by divider 16-7, optical switch device is provided with light source 4-1, blocks body 2-1, light source 4-1 is between adjacent keycap 14-1, unit office one end light guide plate 16-9 and light source 4-1 conducting light paths, the launch window surface disposed thereon of unit office light guide plate 16-9, and it is located at the blocking motion space 9-1 blocked below body 2-1.
The unit office light guide plate 16-9 of office light guide plate 16-8 is additionally provided with character light transmission launch window, the character conducting light paths printed on character light transmission launch window and keycap 14-1.
Setting one light source 4-1, each light source 4-1 emit unlike signal feature below each keycap 14-1.
It is ensured that: the signal of each light source 4-1 transmitting below each keycap 14-1 is limited in corresponding office's light guide plate 16-8 by divider 16-7, and cannot reach the office light guide plate 16-8 below adjacent key.
Optical switch device has reception light guide sheet, receives light guide sheet and is located above transmitting light guide sheet, has character loophole in the reception light guide sheet of the character light transmission launch window corresponding position with transmitting light guide sheet.
Remaining is same with embodiment 2.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, and any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the protection scope of invention.

Claims (39)

  1. It is a kind of to have the optical switch device for blocking body and blocking motion space, including optical transmitting set, optical receiver, electronic circuit piece, photoswitch, it is characterized in that: the optical switch device is provided with flexible blocking elastomer 2-1, there is photoresist spacer 2-2 on the blocking elastomer 2-1, motion space 9-1 is blocked blocking to have between elastomer 2-1 and electronic circuit piece, the light emission windows of the optical transmitting set and the light-receiving window of optical receiver, which are respectively positioned on, to be blocked in the 9-1 of motion space, the photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, the photoswitch is by photoresist spacer 2-2, block motion space 9-1, the light emission windows of optical transmitting set, the light-receiving window of optical receiver is constituted, when the switching device uses, the photoresist spacer 2-2 makes the light emitting window of optical transmitting set The optical signal that mouth issues forms the on-off of optical signal in the light-receiving window of optical receiver.
  2. It is a kind of to have the optical switch device for blocking body and blocking motion space, including optical transmitting set, optical receiver, photoswitch, it is characterized in that: the switching device, which is provided with, blocks body 2-1, motion space 9-1 is blocked blocking to have below body 2-1, the light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space, there is photoresist spacer 2-2 on blocking body 2-1, the photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, the photoswitch is by blocking body 2-1, block motion space 9-1, light emission windows, light-receiving window is constituted, when the switching device uses, the blocking body 2-1, the optical signal for issuing light emission windows forms the on-off of optical signal in light-receiving window.
  3. It is a kind of to have the optical switch device for blocking body and blocking motion space, including optical transmitting set, optical receiver, electronic circuit piece, receive light guide sheet 15-1, photoswitch, it is characterized in that: the optical switch device is provided with flexible blocking elastomer 2-1, there is photoresist spacer 2-2 on the blocking elastomer 2-1, motion space 9-1 is blocked blocking to have between elastomer 2-1 and electronic circuit piece, the light emission windows of the optical transmitting set and the light-receiving window of optical receiver, which are respectively positioned on, to be blocked in the 9-1 of motion space, the photoresist spacer 2-2, which is located at, to be blocked above the 9-1 of motion space, the photoswitch is by photoresist spacer 2-2, block motion space 9-1, the light emission windows of optical transmitting set, the light-receiving window of optical receiver is constituted；The optical transmitting set, the optical receiver is light source 4-1 respectively, light-sensitive element 5-1, the light emission windows are the light emission outlet of light source 4-1, the light-receiving window is the light guide receiving end 7-2 received on light guide sheet 15-1, the reception light guide sheet 15-1 is provided with the blocking through hole 9-2 being made of through hole, the reception light guide sheet 15-1 is provided with guide-lighting optical waveguide 7-3, the light guide receiving end 7-2 of the leaded light optical waveguide 7-3 is located on the side wall for blocking through hole 9-2, the light guide ejecting end 7-5 of the leaded light optical waveguide 7-3 be the optical surface injection part of the guide-lighting optical waveguide 7-3 or be the guide-lighting optical waveguide 7-3 end face, the optical surface injection part is located at the surface of the guide-lighting optical waveguide 7-3, the light source 4-1, the light guide receiving end 7-2, light guide ejecting end 7-5, the light-sensitive element 5-1 conducting light paths；The switching device is in use, the optical signal that the smooth blocking part 2-2 issues the light emission windows of light source 4-1 forms the on-off of optical signal in the light-receiving window of light-sensitive element 5-1.
  4. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 1 or 2, it is characterized in that: the light Switching device, which is provided with, receives light guide sheet 15-1, the optical transmitting set, the optical receiver are light source 4-1, light-sensitive element 5-1 respectively, the light emission windows are the light emission outlet of light source 4-1, the light-receiving window is the light guide receiving end 7-2 received on light guide sheet 15-1, the reception light guide sheet 15-1 is provided with the blocking through hole 9-2 being made of through hole, the reception light guide sheet 15-1 is provided with guide-lighting optical waveguide 7-3, and the light guide receiving end 7-2 of the leaded light optical waveguide 7-3 is located on the side wall for blocking through hole 9-2.
  5. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 4, it is characterized in that: the optical switch device, which is provided with, receives light guide sheet 15-1, the reception light guide sheet 15-1 is provided with guide-lighting optical waveguide 7-3, the light guide ejecting end 7-5 of the leaded light optical waveguide 7-3 be the optical surface injection part of the guide-lighting optical waveguide 7-3 or be the guide-lighting optical waveguide 7-3 end face, the optical surface injection part is located at the surface of the guide-lighting optical waveguide 7-3, the light source 4-1, the light guide receiving end 7-2, light guide ejecting end 7-5, the light-sensitive element 5-1 conducting light paths.
  6. A kind of optical switch device for having blocking body and blocking motion space as described in claim 3 or 4 or 5, it is characterized in that: the blocking elastomer 2-1 is domed, it is described block motion space 9-1 by below blocking elastomer 2-1 space and block through hole 9-2 constitute or the blockings elastomer 2-1 be in it is planar, the blocking motion space 9-1 is made of blocking through hole 9-2.
  7. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 6, it is characterized in that: the optical switch device, which is provided with, receives light guide sheet 15-1, it is provided on the reception light guide sheet 15-1 and receives through hole 9-3, the light guide ejecting end 7-5 is located at the side wall for receiving through hole 9-3.
  8. A kind of optical switch device for having blocking body and blocking motion space as described in claim 3 or 4 or 5 or 7, it is characterized in that: the optical switch device is provided with light source 4-1, light-sensitive element 5-1, the light source 4-1, the light-sensitive element 5-1 is connect with electronic circuit piece, contour 6-1 is provided between light guide sheet 15-1 and electronic circuit piece receiving, the contour 6-1 is provided with contour light source hole 6-2 and contour receiver hole 6-3, the optical surface injection part passes through contour receiver hole 6-3 and the light-sensitive element 5-1 conducting light paths, the light source 4-1 passes through contour light source hole 6-2 and the light guide receiving end 7-2 conducting light paths.
  9. A kind of optical switch device for having blocking body and blocking motion space as described in claims 1 or 2 or 3 or 4 or 5 or 7, it is characterized in that: the optical switch device is provided with optical transmitting set, optical receiver, it is OLED light source, organic photosensitive element respectively that the optical transmitting set, the optical receiver, which are light source 4-1, light-sensitive element 5-1, the light source 4-1, the light-sensitive element 5-1 respectively,.
  10. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 9, it is characterized in that: the light source 4-1, the light-sensitive element 5-1 are encapsulated in electronic circuit piece.
  11. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 1 or 2, it is characterized in that: the light emission windows and light-receiving window form an angle about 90 degree.
  12. A kind of as described in claims 1 or 2 or 3 or 5, which has, to be blocked body and the optical switch device of motion space is blocked to have light blocking part on the blocking elastomer 2-1 it is characterized in that: the optical transmitting set is light source 4-1, the optical receiver is light-sensitive device 5-1 2-2, the smooth blocking part 2-2 are made of barrier boss 2-3.
  13. A kind of optical switch device for having blocking body and blocking motion space as described in claims 1 or 2 or 3 or 5, it is characterized in that: the optical transmitting set is light source 4-1, the optical receiver is light-sensitive device 5-1, have that light blocking part 2-2, the smooth blocking part 2-2 are made of the annulus barrier rib 2-5 of rounded annular wall-like or the square ring barrier rib 2-5 of the annular wall-like by being square is constituted on the blocking elastomer 2-1.
  14. A kind of optical switch device for having blocking body and blocking motion space as described in claim 12 or 13 has reflection layer 2-7 on the blocking elastomer 2-1 it is characterized in that: described block the blocking transmittance section 2-8 for having light transmission on elastomer 2-1.
  15. A kind of optical switch device for having blocking body and blocking motion space as described in claims 1 or 2 or 3, it is characterized in that: the optical transmitting set is light source 4-1, the optical receiver is light-sensitive device 5-1, the electronic circuit piece is made of I electronic circuit piece, II electronic circuit piece, the light source 4-1, the light-sensitive device 5-1 are made of OLED light source, organic photosensitive element respectively, and OLED light source, organic photosensitive element are individually enclosed in I electronic circuit piece, II electronic circuit piece.
  16. A kind of optical switch device for having blocking body and blocking motion space as described in claims 1 or 2 or 3 or 4 or 5, it is characterized in that: the optical switch device, which is provided with, receives light guide sheet 15-1, the reception light guide sheet 15-1 and electronic circuit piece are stacked together, and the light emission windows of the light-sensitive device 5-1 or light-sensitive device 5-1, which are located at, to be blocked in through hole 9-2.
  17. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 15, it is characterized in that: the electronic circuit piece is located at below the reception light guide sheet 15-1.
  18. A kind of film optical switch device using above-mentioned optical switch device, it is characterized in that: the optical switch device of the film optical switch device is arranged by minimum of one.
  19. A kind of film optical switch device using above-mentioned optical switch device, it is characterized in that: the optical switch device of the film optical switch device is arranged by minimum a line or arranged by minimum two row.
  20. A kind of film optical switch device as described in claim 18 or 19, it is characterized in that: the blocking motion space 9-1 of the optical switch device is enclosure space or close enclosure space.
  21. A kind of film optical switch device as claimed in claim 20, it is characterized in that: the blocking motion space 9-1 of the optical switch device is enclosure space, the rows of blocking motion space 9-1 connection.
  22. A kind of film optical switch device as claimed in claim 21, it is characterized in that: the communication interface connection that the blocking motion space 9-1 of the rows of connection is connect by connection with connection, the communication interface is connected to outside or the blocking motion space 9-1 of the rows of connection is connected to the airbag of flexible thin wall shape.
  23. A kind of film optical switch device as described in any one of claim 19 to 22 has n blocking through hole 9-2 it is characterized in that: the reception light guide sheet 15-1 is made of star optical path piece 20-1 on the star optical path piece 20-1, the blocking runs through There is a light source 4-1 in the 9-2 of hole or have the launch window of a light guide plate 16-1, each launch window of each light source 4-1 or light guide plate 16-1 emits different signal characteristics；The star optical path piece 20-1 has the road n leaded light optical waveguide 7-3, one end of the leaded light optical waveguide 7-3 is to receive window, the side wall for receiving window and being located at a blocking through hole 9-2 of the leaded light optical waveguide 7-3, the other end of the leaded light optical waveguide 7-3 in cross and with a light-sensitive device 5-1 conducting light paths, wherein n is natural number.
  24. A kind of film optical switch device using optical switch device as claimed in claim 23, it is characterized in that: the optical switch device is arranged by a line or is arranged by minimum two row, when the optical switch device is arranged by a line, the light-sensitive device 5-1 is located at the side of the row of the optical switch device；When minimum two row of optical switch device is arranged, the light-sensitive device 5-1 is located between optical switch device described in two rows.
  25. A kind of film optical switch device using optical switch device as described in any one of claim 19 to 22, it is characterized in that: the optical switch device is arranged by minimum a line, the guide-lighting optical waveguide 7-3 for receiving light guide sheet 15-1 is by slanting guide-lighting optical waveguide 7-3, the guide-lighting optical waveguide 7-3 being arranged in a row is constituted, the slanting leaded light optical waveguide 7-3 and the round and smooth connection of guide-lighting optical waveguide 7-3 being arranged in a row and conducting light paths, the guide-lighting optical waveguide 7-3 received on light guide sheet 15-1 is linked together and in the form of sheets by optical waveguide covering, the blocking through hole 9-2 for thering is through hole to constitute on the reception light guide sheet 15-1 and with the corresponding position of slanting guide-lighting optical waveguide 7-3.
  26. A kind of film optical switch device using optical switch device as claimed in claim 25, it is characterized in that: the optical switch device is arranged by minimum a line, the reception light guide sheet 15-1 is made of optical fiber sheet 15-8, the optical fiber sheet 15-8 is made of symmetric fiber piece 15-6 or end optical fiber sheet 15-7, the slanting leaded light optical waveguide 7-3 is oblique smooth pricker 15-3, the guide-lighting optical waveguide 7-3 being arranged in a row is row light pricker 15-2, and the optical waveguide covering is filler.
  27. A kind of membrane keyboard optical switch device using above-mentioned film optical switch device, including metal metal dome 8-1, it is printed on the film of character, it is characterized in that: corresponding position is provided with metal metal dome 8-1 above the film optical switch device, the film for being printed on character is provided with above metal metal dome 8-1.
  28. A kind of optical switch device for having blocking body and blocking motion space as described in any one of claim 23 to 27, it is characterized in that: the optical switch device is provided with transmitting light guide sheet, the transmitting light guide sheet is made of the light guide plate 16-1 of flaky high light transmission material, guide plate light input end 16-3 and light source the 4-1 conducting light paths of the light guide plate 16-1, the light emission windows of the light guide plate 16-1, which are located at, to be blocked in the 9-1 of motion space.
  29. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 28, it is characterized in that: the light guide plate 16-1 is separated into minimum two guide-lighting plate unit 16-4 by divider 16-7, the leaded light plate unit 16-4 is arranged in columns, the guide plate light input end 16-3 of the leaded light plate unit 16-4 is corresponding with light source 4-1 mono-, one, and each leaded light plate unit 16-4 transmits different optical signals.
  30. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 29, receives below light guide sheet 15-1, the light emission windows of the light guide plate 16-1 are located at the upper surface light guide plate 16-1 it is characterized in that: the light guide plate 16-1 is located at.
  31. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 29, it is characterized in that: the light emission windows of the light guide plate 16-1 are made of the light guide plate concave hole 16-2 of the upper surface the light guide plate 16-1 or are made of the astigmatism portion 9-4 of the upper surface the light guide plate 16-1.
  32. A kind of optical switch device for having blocking body and blocking motion space as claimed in claim 30, the inclination arrangement it is characterized in that: the leaded light plate unit 16-4 and Y-direction form an angle.
  33. A kind of keyboard optical switch device using above-mentioned film optical switch device, including keycap 14-1, reset body, bottom plate 14-2, above-mentioned optical switch device, it is characterized in that: the photoswitch of the film optical switch device is corresponding with the position of the near middle of keycap 14-1, the light emission windows and the character conducting light paths on keycap 14-1 of the photoswitch.
  34. The keyboard optical switch device of film optical switch device as claimed in claim 28, it is characterized in that: being provided with the bottom plate through hole 14-6 through bottom plate 14-2 in the position corresponding with the blocking motion space 9-1 the bottom plate 14-2, the electronic circuit piece of the film optical switch device connect with bottom plate 14-2 and is located at below bottom plate 14-2.
  35. The keyboard optical switch device of film optical switch device as claimed in claim 28 blocks the top elastomer 2-1 to have and blocks transmittance section 2-8 it is characterized in that: the reset body upper end, which is provided with arch, resets unthreaded hole 11-2.
  36. The keyboard optical switch device of film optical switch device as claimed in claim 28, it is characterized in that: the reset body is to block body 2-1, the blocking body 2-1 is rubber bullet circle 11-1 or metal metal dome 8-1.
  37. The keyboard optical switch device of film optical switch device as claimed in claim 28 is provided with immediately below rubber bullet circle 11-1 or immediately below metal metal dome 8-1 it is characterized in that: the reset body is rubber bullet circle 11-1 or metal metal dome 8-1 and blocks body 2-1.
  38. It is a kind of to have the key optical switch device for blocking body and blocking motion space, including keycap 14-1, bottom plate 14-2, electronic circuit piece, optical transmitting set, optical receiver, photoswitch, there is the reception light guide sheet 15-1 of receiving light path,
    It is characterized in that: the photoswitch, which is provided with, blocks body 2-1, motion space 9-1 is blocked blocking to have below body 2-1, the light emission windows and light-receiving window, which are respectively positioned on, to be blocked in the 9-1 of motion space, the photoswitch is made of blocking body 2-1, blocking motion space 9-1, light emission windows, light-receiving window, the switching device is in use, the optical signal that the blocking body 2-1 issues light emission windows forms the on-off of optical signal in light-receiving window；
    The optical transmitting set, the optical receiver are light source 4-1, light-sensitive element 5-1 respectively, the blocking through hole 9-2 is arranged in length and breadth on flaky reception light guide sheet 15-1, the receiving light path received on light guide sheet 15-1 is by rows of row optical path and is tilted a certain angle the light path angle section formed with row optical path and constitutes, row optical path and the round and smooth connection of light path angle section and conducting light paths, the end face of the light path angle section of each receiving light path is light-receiving window, the light-receiving window is located on the side wall for blocking through hole 9-2, the row light The end face on road be respectively positioned on receive light guide sheet 15-1 outside and with light-sensitive element 5-1 conducting light paths.
  39. A kind of key optical switch device for having blocking body and blocking motion space as claimed in claim 38, it is characterized in that: the key optical switch device is provided with light guide plate 16-1, the light emission windows of the upper surface the light guide plate 16-1 are located in blocking motion space 9-1 or the light emission windows of the light source 4-1 of electronic circuit on piece are located in blocking motion space 9-1；
    The light guide plate 16-1 connect with the bottom plate 14-2 and is located at the lower section bottom plate 14-2 or the reception light guide sheet 15-1 is stacked with the light guide plate 16-1 and connect and be located at the bottom plate 14-2 below bottom plate 14-2, bottom plate 14-2 offers supporting plate through hole 14-6 in position corresponding with motion space 9-1 is blocked.
CN201780018678.4A 2016-03-30 2017-03-30 Optical switch device with blocking body and blocking action space Active CN109478887B (en)

Applications Claiming Priority (7)

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CN201610194962 2016-03-30
CN2016101949624 2016-03-30
CN201610537096 2016-07-08
CN2016105370964 2016-07-08
CN201710197543 2017-03-29
CN2017101975430 2017-03-29
PCT/CN2017/078887 WO2017167248A1 (en) 2016-03-30 2017-03-30 Optical switching device having blocking body and blocking action space

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853665A (en) * 2019-11-14 2021-12-28 陈�峰 Light guide plate optical switch and light guide plate array optical switch module
WO2023116690A1 (en) * 2021-12-21 2023-06-29 陈�峰 Notebook keyboard using optical switch
WO2023232146A1 (en) * 2022-06-03 2023-12-07 陈�峰 Crossed optical waveguide light switch module

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107860433A (en) * 2017-12-26 2018-03-30 重庆前卫克罗姆表业有限责任公司 The pulse metering device at gas meter, flow meter end
EP4060897A4 (en) * 2019-11-14 2023-11-22 Feng Chen Lightguide plate optical switch and lightguide plate array optical switch module

Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3106701U (en) * 2004-07-21 2005-01-20 株式会社センチュリー Luminous keyboard structure
US20050068202A1 (en) * 1999-09-15 2005-03-31 Michael Shipman Illuminated keyboard
CN1780147A (en) * 2004-11-17 2006-05-31 陈�峰 Photoelectric and photoconductive inputting device
CN1893273A (en) * 2005-07-08 2007-01-10 陈�峰 Contact-less matrix photoelectric inputting module
CN101212217A (en) * 2006-12-26 2008-07-02 陈�峰 Optical path distribution of photoelectric keyboard
US20090091478A1 (en) * 1998-11-13 2009-04-09 Chan Sam E J Computer keyboard backlighting
CN101438226A (en) * 2006-05-18 2009-05-20 陈�峰 Input module for key encoder
CN101691916A (en) * 2008-04-22 2010-04-07 陈�峰 Key light-emitting transmission light waveguide of light switch
TW201123242A (en) * 2009-12-18 2011-07-01 Primax Electronics Ltd Thin type illuminated keyboard
US20120012448A1 (en) * 2010-07-19 2012-01-19 Apple Inc. Keyboard illumination
US20120048701A1 (en) * 2010-09-01 2012-03-01 Sunrex Technology Corp. Illuminated keyboard
US20130193314A1 (en) * 2010-07-16 2013-08-01 Mechaless Systems Gmbh Optical operating element, more particularly pushbutton or switch
CN103474273A (en) * 2013-09-23 2013-12-25 郝小妮 Optical crystal type mechanical switch
CN103515135A (en) * 2013-09-23 2014-01-15 苏州达方电子有限公司 Thin keyboard
CN104347298A (en) * 2013-08-05 2015-02-11 致伸科技股份有限公司 Light emitting keyboard
CN104966636A (en) * 2015-06-16 2015-10-07 郝小妮 Split-type light-guide key switch and mechanical keyboard
CN105006396A (en) * 2015-07-13 2015-10-28 东莞市美光达光学科技有限公司 Switch module of ultrathin reflective computer input equipment
CN105118723A (en) * 2015-08-31 2015-12-02 东莞市名键电子科技有限公司 Photoelectric keyboard key
CN105245217A (en) * 2015-11-17 2016-01-13 陈爱华 Keyboard key using surface light source and keyboard

Patent Citations (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090091478A1 (en) * 1998-11-13 2009-04-09 Chan Sam E J Computer keyboard backlighting
US20050068202A1 (en) * 1999-09-15 2005-03-31 Michael Shipman Illuminated keyboard
JP3106701U (en) * 2004-07-21 2005-01-20 株式会社センチュリー Luminous keyboard structure
CN1780147A (en) * 2004-11-17 2006-05-31 陈�峰 Photoelectric and photoconductive inputting device
CN1893273A (en) * 2005-07-08 2007-01-10 陈�峰 Contact-less matrix photoelectric inputting module
CN101438226A (en) * 2006-05-18 2009-05-20 陈�峰 Input module for key encoder
CN101212217A (en) * 2006-12-26 2008-07-02 陈�峰 Optical path distribution of photoelectric keyboard
CN101691916A (en) * 2008-04-22 2010-04-07 陈�峰 Key light-emitting transmission light waveguide of light switch
TW201123242A (en) * 2009-12-18 2011-07-01 Primax Electronics Ltd Thin type illuminated keyboard
US20130193314A1 (en) * 2010-07-16 2013-08-01 Mechaless Systems Gmbh Optical operating element, more particularly pushbutton or switch
US20120012448A1 (en) * 2010-07-19 2012-01-19 Apple Inc. Keyboard illumination
US20120048701A1 (en) * 2010-09-01 2012-03-01 Sunrex Technology Corp. Illuminated keyboard
CN104347298A (en) * 2013-08-05 2015-02-11 致伸科技股份有限公司 Light emitting keyboard
CN103474273A (en) * 2013-09-23 2013-12-25 郝小妮 Optical crystal type mechanical switch
CN103515135A (en) * 2013-09-23 2014-01-15 苏州达方电子有限公司 Thin keyboard
CN104966636A (en) * 2015-06-16 2015-10-07 郝小妮 Split-type light-guide key switch and mechanical keyboard
CN105006396A (en) * 2015-07-13 2015-10-28 东莞市美光达光学科技有限公司 Switch module of ultrathin reflective computer input equipment
CN105118723A (en) * 2015-08-31 2015-12-02 东莞市名键电子科技有限公司 Photoelectric keyboard key
CN105245217A (en) * 2015-11-17 2016-01-13 陈爱华 Keyboard key using surface light source and keyboard

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张莉: "1*2光开关光纤耦合性能与驱动方式的研究", 《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113853665A (en) * 2019-11-14 2021-12-28 陈�峰 Light guide plate optical switch and light guide plate array optical switch module
WO2023116690A1 (en) * 2021-12-21 2023-06-29 陈�峰 Notebook keyboard using optical switch
WO2023232146A1 (en) * 2022-06-03 2023-12-07 陈�峰 Crossed optical waveguide light switch module

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