CN106611670B - Key device and light-guide device - Google Patents
Key device and light-guide device Download PDFInfo
- Publication number
- CN106611670B CN106611670B CN201510694289.6A CN201510694289A CN106611670B CN 106611670 B CN106611670 B CN 106611670B CN 201510694289 A CN201510694289 A CN 201510694289A CN 106611670 B CN106611670 B CN 106611670B
- Authority
- CN
- China
- Prior art keywords
- light
- plate portion
- tabula rasa
- lead plate
- equal tabula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/046—Light emitting elements above switch site
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
Landscapes
- Planar Illumination Modules (AREA)
Abstract
A kind of key device and light-guide device, key device include key switch, light source, keycap and light-guide device.Light source is adjacent to key switch.Keycap covers key switch and light source.Keycap includes light transmission plate portion and side plate.Light transmission plate portion covers light source.Side plate is connected to light transmission plate portion.Light-guide device is between light transmission plate portion and light source.Light-guide device includes equal tabula rasa portion and light lead plate portion.Equal tabula rasa portion has light-emitting surface, the back side and light splitting slot.Light splitting slot is located at light-emitting surface.Light-emitting surface is towards light transmission plate portion.Light lead plate portion protrudes from the back side, and light lead plate portion is least partially overlapped in the projection of light-emitting surface in the projection of light-emitting surface and light splitting slot.Light lead plate portion has the connecting side close to equal tabula rasa portion and the incident side far from equal tabula rasa portion.Light source is by incident side, and the width of the connecting side of light lead plate portion is more than the width of the incident side of light lead plate portion.
Description
Technical field
The present invention relates to a kind of key device and light-guide device, more particularly to a kind of key device with illumination effect and
Light-guide device.
Background technology
In the information age that science and technology now is flourishing, computer has become the indispensable necessity of people.With regard to current computer
Speech, keyboard is indispensable one of input equipment, to input word, symbol or number.User removes when selecting keyboard
It considers outside the function of keyboard, the visual effect of keyboard appearance also paid attention to by user.For example, on the market at present
There is release illuminated keyboard, attracts user to build the visual effect extremely dazzled by light.In addition, user is in night
Or light insufficient place is when using illuminated keyboard, light source that illuminated keyboard itself provides also can assisting user find button,
To promote the ease of use of illuminated keyboard.
If however, at present illuminated keyboard on the market be generally difficult to take into account manufacturing cost with the light uniformity, which is because,
The light uniformity of illuminated keyboard to be promoted must then increase the quantity of light source, but the increase of quantity of light source can improve light key
The manufacturing cost of disk.Conversely, if reducing the quantity of light source can reduce luminous though the manufacturing cost of illuminated keyboard can be reduced
The light uniformity of keyboard.Therefore, illuminated keyboard at present on the market has the problem of manufacturing cost is difficult to take into account with the light uniformity.
Invention content
The purpose of the present invention is to provide a kind of key device and light-guide device, the manufacturing cost for taking into account illuminated keyboard is used
With the light uniformity.
Disclosed herein key device, including a key switch, a light source, a keycap and a light-guide device.Light source
It is adjacent to key switch.Keycap covers key switch and light source.Keycap includes a light transmission plate portion and side plate portion.Light transmission plate portion is covered
Lid light source.Side plate is connected to light transmission plate portion.Light-guide device is between the light transmission plate portion and light source of transparent keycap.Light-guide device
Including an equal tabula rasa portion and a light lead plate portion.Equal tabula rasa portion has an opposite light-emitting surface and a back side, and with a light splitting
Slot.Light transmission plate portion of the light-emitting surface towards keycap.Light splitting slot is located at the light-emitting surface in equal tabula rasa portion.Light lead plate portion protrudes from equal tabula rasa portion
The back side, and light lead plate portion in light-emitting surface projection be divided slot it is least partially overlapped in the projection of light-emitting surface.Light lead plate portion has
There are the connecting side close to equal tabula rasa portion and the incident side far from equal tabula rasa portion.Light source is adjacent to the incident side of light lead plate portion
Side, and the width of the connecting side of light lead plate portion is more than the width of the incident side of light lead plate portion.
Disclosed herein light-guide device, including an equal tabula rasa portion and a light lead plate portion.Equal tabula rasa portion has opposite
One light-emitting surface and a back side, and with a light splitting slot.Light splitting slot is located at the light-emitting surface in equal tabula rasa portion.Light lead plate portion protrudes from
The back side in tabula rasa portion, and the light lead plate portion is at least partly heavy in the projection of the light-emitting surface in the projection of the light-emitting surface and the light splitting slot
It is folded.Light lead plate portion has the connecting side close to equal tabula rasa portion and the incident side far from equal tabula rasa portion, and the company of light lead plate portion
Connect side width be more than light lead plate portion incident side width.
Key device disclosed by above-described embodiment and light-guide device pass through drawing for the light lead plate portion of light-guide device
Light makes the light entered from smaller width incident side be diffused into the connecting side of larger width as far as possible, then passes through through the connecting side
The leaded light in the equal tabula rasa portion of light-guide device allows light to be uniformly diffused into the light-emitting surface in equal tabula rasa portion as far as possible, and then one available
Or a small amount of light source is come the entire smooth uniformity of light transmission plate portion that reaches keycap.That is, by the setting of light-guide device, it can
The dosage of light source is effectively reduced, and reaches the standard of the required uniformity, and then the manufacturing cost and light of illuminated keyboard can be taken into account
The uniformity.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the key device according to first embodiment of the invention;
Fig. 2 is the decomposition diagram of Fig. 1;
Fig. 3 is the schematic cross-sectional view of Fig. 1;
Fig. 4 is the enlarged diagram of the light-guide device of Fig. 3;
Fig. 5 is the partial enlarged view of Fig. 4;
Fig. 6 is the schematic cross-sectional view at another visual angle of Fig. 1;
Fig. 7 is the schematic cross-sectional view of the key device according to second embodiment of the invention.
Wherein, reference numeral
10,10 ' key device
100 key switches
110 triggering protrusions
200 light sources
300 keycaps
310 light transmission plate portions
320 side plates
400 light-guide devices
410 equal tabula rasa portions
411 light-emitting surfaces
412 back sides
The lateral margin 412a, 412b
413 light splitting slots
The first inclined trough surfaces of 413a
The second inclined trough surfaces of 413b
414 first reflectings surface
415 second reflectings surface
416 grooves
416a slots side
420 light lead plate portions
421 incident sides
422 connecting sides
423 incidence surfaces
424 light lead faces
430 combine plate portion
D1, D2 width
1~θ of θ, 6 angles
Specific implementation mode
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings:
It please refers to Fig.1 to Fig.3.Fig. 1 is the stereoscopic schematic diagram of the key device according to first embodiment of the invention.Figure
2 be the decomposition diagram of Fig. 1.Fig. 3 is the schematic cross-sectional view of Fig. 1.
The key device 10 of the present embodiment, which is applicable in, is applied to illuminated keyboard (not being painted), and it includes a key switches 100, one
Light source 200, a keycap 300 and a light-guide device 400.In addition, bridge formation (such as scissor pivot joint knot can be additionally provided in key device 10
Structure is not painted).Due to bridge formation and the emphasis of non-present invention, and it is technology known to one skilled in the art, therefore with
Relevant structure of building bridge simultaneously repeats no more.
Key switch 100 is, for example, mechanical trigger switch, and with a triggering protrusion 110.When key switch 100
When triggering protrusion 110 is triggered, key switch 100 will produce corresponding word or function signal.Above-mentioned key switch 100 be with
It for mechanical trigger switch, but is not limited thereto, in other embodiments, key switch 100 can also be light interrupter-type
Trigger switch.
Light source 200 is adjacent to key switch 100.Specifically, light source 200 is, for example, light emitting diode.Light source 200 is embedded
In key switch 100, and to generate the light projected upwards.
Keycap 300 covers key switch 100 and light source 200.Specifically, keycap 300 includes a light transmission plate portion 310 and one
Side plate 320.Light transmission plate portion 310 is located at 100 top of key switch, and covers light source 200.Side plate 320 is connected to light-transmitting plate
Portion 310, and surround light source 200.In the present embodiment, English alphabet or phonetic symbol, and side are for example printed in light transmission plate portion 310
Plate portion 320 is designed to opaque, but is not limited thereto, in other embodiments, side plate 320 also with light transmission plate portion 310 1
Sample is designed to light-permeable.
Light-guide device 400 is securable to keycap 300 between the light transmission plate portion 310 and light source 200 of keycap 300.In detail
For thin, Fig. 3 is please referred to Fig. 6.Fig. 4 is the enlarged diagram of the light-guide device of Fig. 3.Fig. 5 is the partial enlarged view of Fig. 4.Fig. 6
For the schematic cross-sectional view at another visual angle of Fig. 1.Light-guide device 400 includes an equal tabula rasa portion 410, a light lead plate portion 420 and two knots
Plywood portion 430.Equal tabula rasa portion 410 has an opposite light-emitting surface 411 and a back side 412.Light-emitting surface 411 is towards keycap 300
Light transmission plate portion 310, and the size of light-emitting surface 411 is matched with the size of light transmission plate portion 310.The back side 412 has two opposite lateral margins
412a、412b.Light lead plate portion 420 protrudes from the back side 412 in equal tabula rasa portion 410, and with the opposite sides edge 412a at the back side 412,
412b is separated, and enables the shape of light-guide device 400 for example in the T-shape of English alphabet.
In the present embodiment, light lead plate portion 420 has the incident side 421 far from equal tabula rasa portion 410 and close equal tabula rasa
One connecting side 422 in portion 410.Light source 200 is adjacent to by the incident side 421 of light lead plate portion 420, and the connection of light lead plate portion 420
The width D 1 of side 422 is more than the width D 2 of the incident side 421 of light lead plate portion 420 and the connecting side 422 of light lead plate portion 420
Width D 1 is substantially equal to the width in equal tabula rasa portion 410.More specifically, light lead plate portion 420 has an incidence surface 423 and two
Light lead face 424.Incidence surface 423 is located at the incident side 421 of light lead plate portion 420.Incidence surface 423 is towards light source 200.Two light lead faces
424 are connected to the opposite sides of incidence surface 423, and extend towards the connecting side of light lead plate portion 420 422.Also, two light lead faces
424 close to the connecting side 422 of light lead plate portion 420 spacing be more than two light lead faces 424 close to light lead plate portion 420 incident side 421
Spacing.Light caused by light source 200 from incidence surface 423 to enter light lead plate portion 420, and by two light lead faces 424
It guides to make light relatively evenly enter equal tabula rasa portion 410.
Equal tabula rasa portion 410 has a light splitting slot 413.Light splitting slot 413 is located at the light-emitting surface 411 in equal tabula rasa portion 410, and with draw
Tabula rasa portion 420 is least partially overlapped in the projection of light-emitting surface 411.Specifically, equal tabula rasa portion 410, which has, forms light splitting slot 413
One first inclined trough surface 413a and one second inclined trough surface 413b, and the first inclined trough surface 413a and the second inclined trough surface 413b are directly intersected
And angle theta 1 is formed, the first inclined trough surface 413a is compared with the second inclined trough surface 413b close to a wherein lateral margin 412a at the back side 412.First tiltedly
The angle theta 1 that groove face 413a and the second inclined trough surface 413b are constituted is 75 degree.In the present embodiment, the first of equal tabula rasa portion 410 is oblique
The projection of groove face 413a and the second inclined trough surface 413b on light-emitting surface 411 and projection of the light lead plate portion 420 on light-emitting surface 411 are extremely
Small part is overlapped, with enable light that light source 200 sends out can the reflection through the first inclined trough surface 413a and the second inclined trough surface 413b and
It is full of in equal tabula rasa portion 410, opposite sides edge 412a, the 412b at the which part light meeting directive back side 412.
Further, since the distance of light splitting slot 413 to the lateral margin 412a at the back side 412 are shorter, and slot 413 is divided to the back side 412
Lateral margin 412b distance it is longer, therefore light splitting slot 413 should be less than by being divided amount light of the slot 413 needed for the side of lateral margin 412a
Close to the amount light needed for the side of lateral margin 412a, to keep uniform plate portion 410 in the light uniformity of 413 both sides of light splitting slot.This
The practice of embodiment is (i.e. the first inclined trough surface 413a of tilt angle theta 2 of the first inclined trough surface 413a of closer lateral margin 412a
The angle constituted with light-emitting surface 411) more than closer lateral margin 412b the second inclined trough surface 413b tilt angle theta 3 (i.e. first
The angle that inclined trough surface 413b is constituted with light-emitting surface 411).Wherein, in the present embodiment, the angle of inclination of the first inclined trough surface 413a
θ 2 is for 60 degree, and the tilt angle theta 3 of the second inclined trough surface 413a is for 45 degree, but is not limited thereto.
Equal tabula rasa portion 410 has one first reflecting surface 414 and one second reflecting surface being connected with light-emitting surface 411, the back side 412
415,415 both sides that are opposite and being located at light splitting slot 413 of the first reflecting surface 414 and the second reflecting surface.It is divided slot 413 to the first
The distance of reflecting surface 414 is less than the distance of light splitting 413 to the second reflecting surface 415 of slot.
The angle theta 4 that the extended surface of first reflecting surface 414 and light-emitting surface 411 is constituted is 45 degree, to pass through the first reflecting surface
Light back is gone back to equal tabula rasa portion 410 by 414, to increase the light utilization rate of uniform plate 410.Wherein, the first reflecting surface
414 are not limited to above-mentioned 45 degree with the angle theta 4 that the extended surface of light-emitting surface 411 is constituted, and in other embodiments, first instead
Penetrate the unspecified angle value that the angle theta 4 that the extended surface of face 414 and light-emitting surface 411 is constituted also can be 40 degree to 50 degree.
In addition, in the present embodiment, having no coating reflective coating on the first reflecting surface 414, only being allowed by total reflection principle
Inclined first reflecting surface 414 reaches reflecting effect, but is not limited thereto, in other embodiments, on the first reflecting surface 414
It can also be separately coated with reflectance coating, to promote the reflecting effect of the first reflecting surface 414.Similarly, the second reflecting surface 415 also can be another
It is coated with reflectance coating, to promote the reflecting effect of the second reflecting surface 415.
The angle theta 5 that the extended surface of second reflecting surface 415 and light-emitting surface 411 is constituted is 45 degree.Second reflecting surface, 415 energy
It is enough that light back is gone back into equal tabula rasa portion 410.Thus, which light that light source 200 is sent out can be increased from equal tabula rasa
The shot that the light-emitting surface 411 in portion 410 projects, and then further increase the light utilization rate of light-guide device 400.Wherein,
The angle theta 5 that the extended surface of two reflectings surface 415 and light-emitting surface 411 is constituted is not limited to above-mentioned 45 degree, in other embodiment
In, the angle theta 5 that the extended surface of the second reflecting surface 415 and light-emitting surface 411 is constituted also can be 40 degree to 50 degree of unspecified angle
Value.
In the present embodiment, equal tabula rasa portion 410 has more multiple micro-structures.These micro-structures are located at the back of the body in equal tabula rasa portion 410
Face 412.These micro-structures are, for example, the groove 416 being recessed inwardly from the back side 412, and from equal tabula rasa portion 410 close to light lead plate
The side in portion 420 is distributed towards the side far from light lead plate portion 420, and the distribution density of these micro-structures is from close to light lead plate portion
420 side is gradually close towards the side far from light lead plate portion 420.By these micro-structures, can make by 411 directive light-transmitting plate of light-emitting surface
The light in portion 310 is further uniform.
In addition, tabula rasa portion 410 has the multipair slot side 416a for forming these grooves 416.Per a pair of slot side 416a
The angle theta 6 constituted is 90 degree, but is not limited thereto, in other embodiments, the folder constituted per a pair of slot side 416a
Angle θ 6 may be more than or equal to 40 degree to less than equal to the unspecified angle value between 90 degree.
Furthermore the micro-structure of the present embodiment is groove 416, but is not limited thereto, in other embodiments, micro-structure
It can be convex block.
Two protrude from the back side 412 in equal tabula rasa portion 410 in conjunction with plate portion 430, and are sticked in the trigger unit of key switch 100.
Thus, when keycap 300 is by external force pressure, keycap 300 can drive light-guide device 400 to trigger key switch 100, to generate
Word or function signal.In the present embodiment, it in conjunction with the quantity of plate portion 430 for two, but is not limited thereto, at other
In embodiment, the quantity in conjunction with plate portion 430 may be one or three or more.
By the light lead of above-mentioned light lead plate portion 420, the light that light source 200 is sent out can be allowed as total as possible and evenly into
Equal tabula rasa portion 410, then spread with allowing uniform light by equal tabula rasa portion 410 and from the light transmission of 411 directive keycap 300 of light-emitting surface
Plate portion 310.The key device 10 of the present embodiment is thereby allowed only to need to use one or a small amount of light source 200 or the light source of lower-wattage
200 can reach the equal light effect of entire light transmission plate portion 310, and then reduce the manufacturing cost and power consumption of key device 10.
In the above-described embodiments, light lead face 424 but is not limited thereto by taking curved surface as an example.Please refer to Fig. 7.Fig. 7 is root
According to the schematic cross-sectional view of the key device described in second embodiment of the invention.In the key device 10 ' of the present embodiment, light lead face
424 may be plane.In addition, remaining structure of the key device 10 ' of the present embodiment is similar to first embodiment, thus it is no longer superfluous
It states.
Key device disclosed by above-described embodiment and light-guide device pass through drawing for the light lead plate portion of light-guide device
Light allows uniform light to spread, then the equal tabula rasa portion by light-guide device leaded light, allow light uniformly to spread again, and then available
One or a small amount of light source is come the entire smooth uniformity of light transmission plate portion that reaches keycap.That is, setting by light-guide device
It sets, the dosage of light source can be effectively reduced, and reach the standard of the required uniformity, and then illuminated keyboard can be taken into account manufacturing cost
With the light uniformity.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of key device, which is characterized in that include:
One key switch;
One light source is adjacent to the key switch;
One keycap covers the key switch and the light source, which includes a light transmission plate portion and side plate portion, which covers
The light source is covered, which is connected to the light transmission plate portion;And
One light-guide device, between the light transmission plate portion of the keycap and the light source, which includes:
One equal tabula rasa portion has an opposite light-emitting surface and a back side, and with a light splitting slot, the light-emitting surface is towards the keycap
The light transmission plate portion, which is located at the light-emitting surface in the equal tabula rasa portion, which also has positioned at the light splitting slot
The distance of one first reflecting surface and one second reflecting surface of opposite sides, the light splitting slot to first reflecting surface is less than the light splitting slot
To the distance of second reflecting surface;And
One light lead plate portion protrudes from the back side in the equal tabula rasa portion, and the light lead plate portion is in the projection and the light splitting of the light-emitting surface
Slot is least partially overlapped in the projection of the light-emitting surface, which there is the connecting side close to the equal tabula rasa portion to be somebody's turn to do with separate
One incident side in equal tabula rasa portion, which is adjacent to by the incident side of the light lead plate portion, and the connecting side of the light lead plate portion
Width be more than the light lead plate portion the incident side width.
2. key device according to claim 1, which is characterized in that the light lead plate portion has an incidence surface and two light leads
Face, the incidence surface are located at the incident side of the light lead plate portion, which is connected to this towards the light source, the two light lead face
The opposite sides of incidence surface, and extend towards the connecting side of the light lead plate portion, the company of the two light lead face close to the light lead plate portion
Connect the spacing that the spacing of side is more than the two light lead face close to the incident side of the light lead plate portion.
3. key device according to claim 2, which is characterized in that the light lead face is plane or curved surface.
4. key device according to claim 1, which is characterized in that the equal tabula rasa portion has more multiple micro-structures, those
Micro-structure is located at the back side in the equal tabula rasa portion.
5. key device according to claim 4, which is characterized in that the density of those micro-structures is from close to the light lead plate portion
Side towards far from the light lead plate portion side it is gradually close.
6. key device according to claim 4, which is characterized in that each micro-structure is recessed inwardly from the back side
One groove.
7. key device according to claim 6, which is characterized in that the equal tabula rasa portion, which has, forms the multipair of those grooves
Slot side, each angle constituted to slot side is between more than or equal to 40 degree to less than equal to 90 degree.
8. key device according to claim 1, which is characterized in that the equal tabula rasa portion has form the light splitting slot one the
One inclined trough surface and one second inclined trough surface, the angle which is constituted with second inclined trough surface is 75 degree.
9. key device according to claim 8, which is characterized in that first inclined trough surface is close compared with second inclined trough surface should
First reflecting surface, the angle which is constituted with the light-emitting surface is 60 degree, second inclined trough surface and the light-emitting surface
Angle is 45 degree.
10. a kind of light-guide device, which is characterized in that include:
One equal tabula rasa portion has an opposite light-emitting surface and a back side, and is divided slot with one, which is located at the light
The light-emitting surface of plate portion, the equal tabula rasa portion also have one first reflecting surface and one second of the opposite sides positioned at the light splitting slot instead
Face is penetrated, the distance of the light splitting slot to first reflecting surface is less than the light splitting slot to the distance of second reflecting surface;And
One light lead plate portion protrudes from the back side in the equal tabula rasa portion, and the light lead plate portion is in the projection and the light splitting of the light-emitting surface
Slot is least partially overlapped in the projection of the light-emitting surface, which there is the connecting side close to the equal tabula rasa portion to be somebody's turn to do with separate
One incident side in equal tabula rasa portion, and the width of the connecting side of the light lead plate portion is more than the width of the incident side of the light lead plate portion
Degree.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510694289.6A CN106611670B (en) | 2015-10-23 | 2015-10-23 | Key device and light-guide device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510694289.6A CN106611670B (en) | 2015-10-23 | 2015-10-23 | Key device and light-guide device |
Publications (2)
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CN106611670A CN106611670A (en) | 2017-05-03 |
CN106611670B true CN106611670B (en) | 2018-09-07 |
Family
ID=58612196
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CN201510694289.6A Expired - Fee Related CN106611670B (en) | 2015-10-23 | 2015-10-23 | Key device and light-guide device |
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Families Citing this family (2)
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CN107329589B (en) * | 2017-06-29 | 2020-03-27 | 努比亚技术有限公司 | Control device of function key |
US11469060B1 (en) | 2021-04-30 | 2022-10-11 | Logitech Europe S.A. | Light guide for a keyboard |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1344091A (en) * | 2000-09-19 | 2002-04-10 | 日本电气株式会社 | Light diffusing device |
EP1467387A1 (en) * | 2003-04-07 | 2004-10-13 | Feller AG | Illuminated electric switch |
JP2008034121A (en) * | 2006-07-26 | 2008-02-14 | Tokai Rika Co Ltd | Switch device |
CN101441950A (en) * | 2007-11-19 | 2009-05-27 | 株式会社电装 | Switch apparatus |
-
2015
- 2015-10-23 CN CN201510694289.6A patent/CN106611670B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1344091A (en) * | 2000-09-19 | 2002-04-10 | 日本电气株式会社 | Light diffusing device |
EP1467387A1 (en) * | 2003-04-07 | 2004-10-13 | Feller AG | Illuminated electric switch |
JP2008034121A (en) * | 2006-07-26 | 2008-02-14 | Tokai Rika Co Ltd | Switch device |
CN101441950A (en) * | 2007-11-19 | 2009-05-27 | 株式会社电装 | Switch apparatus |
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Address after: Taiwan Xindian District, New Taipei City Chinese Po Road No. 6 Patentee after: GIGA-BYTE TECHNOLOGY Co.,Ltd. Address before: Chinese Taiwan Taipei City store Bao Jiang Road No. 6 Patentee before: GIGA-BYTE TECHNOLOGY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 |