CN102110542B - Keyboard with back-lighted ultra-durable keys - Google Patents

Keyboard with back-lighted ultra-durable keys Download PDF

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Publication number
CN102110542B
CN102110542B CN201010623245.1A CN201010623245A CN102110542B CN 102110542 B CN102110542 B CN 102110542B CN 201010623245 A CN201010623245 A CN 201010623245A CN 102110542 B CN102110542 B CN 102110542B
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layer
photoconduction
light
character
key
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CN102110542A (en
Inventor
巴普蒂斯特·梅尔米诺德
彼得·马
埃里克·徐
阿龙·李
耶罗·陈
莱纳斯·简
埃里克·苏
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Logitech Europe SA
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Logitech Europe SA
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Priority claimed from US12/647,543 external-priority patent/US8870477B2/en
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Abstract

The application case refers to a keyboard with back-lighted ultra-durable keys. A key for a keyboard includes a keycap having a top surface configured to be contacted for pressing the key down, and having a bottom. The keycap is substantially transparent. An intermediate layer is coupled to the bottom of the keycap. The intermediate layer is translucent and includes a top and a bottom. The top of the intermediate layer faces the bottom of the keycap. A character layer is positioned between the bottom of the keycap and the top of the intermediate layer. A resilient member is coupled to the bottom of the intermediate layer. The resilient member is translucent and is configured to direct light through the intermediate layer, through the character layer, and out from the keycap. The character layer is configured to be lighted for viewing through the keycap.

Description

There is the keyboard of back-illuminated super-durable keys
Technical field
The present invention relates to the peripheral unit for computer system.More particularly, the present invention relates to a kind of keyboard with back-illuminated super-durable keys.
Background technology
The use of computer is full of everywhere, and in worldwide, is just becoming more and more general.Numerous computers follows peripheral unit for multi-user environment together with it, such as Internet bar, school, institute etc.Especially in multi-user environment (its Computer and follow peripheral unit to be used by the user who does not have it), the use of peripheral unit (for example keyboard and mouse) can be quite frequent and be rough to described device.Therefore, peripheral unit and in particular the input unit of for example keyboard stand significant wearing and tearing.Specific " weight " user can make wearing and tearing aggravation, for example, can damage very fast the game player of the peripheral unit of for example keyboard.
The instantiation of the damage to keyboard comprises: (i) after the very short time (for example, only several weeks), and key lettering is often partly or wholly wiped free of; (ii) dust or other foreign material (for example, food particle, cigarette ash, liquid etc.) enter between the key in keyboard, thereby often cause functional fault; And (iii) after the short time (for example, only several weeks), key switch is destroyed.
In view of the keyboard limitation discussed above, need new keyboard and similar device, the key of wherein said keyboard is back-illuminated type, durable, and key lettering can not be wiped free of along with use rough and that extend.
Summary of the invention
The present invention relates to the peripheral unit for computer system.More particularly, the present invention relates to a kind of keyboard with back-illuminated super-durable keys.
According to one embodiment of present invention, a kind of key for keyboard comprises keycap, described keycap have be configured to through contact for press the top surface of described key downwards and have bottom.Described keycap is roughly transparent.The described bottom of described keycap is coupled in intermediate layer.Described intermediate layer is translucent and comprises top and bottom.The described top surface in described intermediate layer is to the described bottom of described keycap.Character layer is positioned between the described bottom of described keycap and the described top in described intermediate layer.Elastomeric element is coupled to the described bottom in described intermediate layer.Described elastomeric element is translucent and is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described keycap.Described character layer is configured to through illuminating for watching by described keycap.
According to described key specific embodiment, described elastomeric element is coupled to the photoconduction with diffuse component.Described diffuse component be coupled to described elastomeric element with optical mode and be configured to by light from described optical guide guides light to described elastomeric element.Described diffuse component comprises lens or rough surface.Described photoconduction is coupled to and is configured to light to send to the light generating device in described photoconduction with optical mode.Described light generating device can comprise one group of light-emitting diode.
According to another specific embodiment of described key, the described bottom of described keycap comprises corresponding to the core of described character layer and one group of side part, and the described side part of described keycap comprises the one group of protuberance that is configured to described intermediate layer to be mechanically coupled to described keycap.Described character layer can be positioned on the described top in described intermediate layer or be positioned on the described bottom of described keycap.Described character layer comprises dope layer, in described dope layer, is formed with character.Described character can form by laser-induced thermal etching.According to an embodiment, described character layer comprises the first dope layer and the second dope layer, and described the first dope layer and described the second dope layer have contrast color.
According to another specific embodiment of described key, described intermediate layer comprises light dispersion.Described smooth dispersion can comprise titanium oxide, nano particle or bubble.The described top in described intermediate layer can be the coarse light to disperse to distribute from described top.
According to an embodiment, the intermediate layer that a kind of key for keyboard comprises keycap and is coupled to described keycap.Character layer is positioned between described keycap and described intermediate layer.Elastomeric element is coupled to described intermediate layer and is configured to promote described intermediate layer in the situation that of described elastomeric element distortion.Described elastomeric element is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described keycap.Described character layer is configured to through illuminating for watching by described keycap.
According to an embodiment, a kind of keyboard comprises multiple keys.Each key comprises: i) keycap; Ii) intermediate layer, it is coupled to described keycap; Iii) character layer, it is positioned between described keycap and described intermediate layer; And iv) elastomeric element, it is coupled to described intermediate layer and is configured to promote described intermediate layer in the situation that of described elastomeric element distortion.Described keyboard further comprises the photoconduction with multiple diffuse components.Described multiple diffuse component is coupled to multiple elastomeric elements with optical mode respectively.Described diffuse component is configured to carry out following operation: i) by light from described optical guide guides light to described elastomeric element, ii) guide described light through described intermediate layer, iii) guide described light through described character layer and iv) from the outwards described light of guiding of described keycap.Described character layer is configured to through illuminating for watching by described keycap.
According to an embodiment, a kind of key for keyboard comprises top plate, and it is for roughly transparent and be configured to through contact for pressing described key downwards.The bottom of described top plate is coupled in intermediate layer.Described intermediate layer is translucent and comprises top and bottom.The described top surface in described intermediate layer is to the described bottom of described top plate.The side part of described key is around at least a portion of the side part of described top plate and the side part in described intermediate layer.Character layer is positioned between the described bottom of described top plate and the described top in described intermediate layer.Elastomeric element is coupled to the described bottom in described intermediate layer.Described elastomeric element is translucent and is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described top plate.Described character layer is configured to through illuminating for watching by described keycap.According to a specific embodiment, described top plate comprises the hyaline layer that is placed in described character layer top and the translucent dope layer that is placed in described character layer below.Described top plate can comprise the glue-line being placed between described character layer and described intermediate layer, and described glue-line can be configured to described top plate to be coupled to described intermediate layer.Or described top plate is configured and is mechanically coupled to intermediate plate.
According to an embodiment, a kind of keyboard comprises multiple keys, and wherein each key comprises the character layer that is coupled to it.Photoconduction is placed in described key below.Described photoconduction is configured to that light is directed in described key and guides described light to pass described character layer to illuminate described character layer for being watched by user.Described photoconduction comprise towards the top surface of described key and back to the bottom table of described key and.Multiple ring structures are placed in described lower surface and from described lower surface and extend.Each ring structure is placed in below the one in described key.According to a specific embodiment, described multiple ring structures and described photoconduction entirety form.According to alternate embodiment, described multiple ring structures are dope layer.Each ring structure can have curved surface, and described curve can be parabola.
Each in described ring structure be configured to light to be upwards directed to from the bottom of described photoconduction the body of described photoconduction and through the described top surface of described photoconduction outwards the described light of guiding to irradiate described key.Some multiple surface characteristics can be placed in described lower surface and from described lower surface extends.Each in described ring feature is around the one in described some multiple surface characteristics.Each in described surface characteristics has shaped form surface, and described shaped form surface can be parabola.
In conjunction with following text and accompanying drawing, these and other embodiment of the present invention is described in more detail.
Brief description of the drawings
Fig. 1 is the rough schematic view of key according to an embodiment of the invention;
Fig. 2 A is the simplification view on lower surface without the lower surface of the keycap of any coating;
Fig. 2 B is the simplification view that is formed with the lower surface of the first dope layer on lower surface;
Fig. 2 C wherein forms (for example,, by laser-induced thermal etching) in the first dope layer to have the simplification view of the lower surface of character (for example, character " A ");
Fig. 2 D is the event that forms the temporal order of the first dope layer 110 and the second dope layer 110 on the lower surface a of keycap to Fig. 2 F;
Fig. 3 is the decomposition view of key according to another embodiment of the present invention;
Fig. 4 is the rough schematic view of key according to another embodiment of the present invention;
Fig. 5 is the simplification cross-sectional view of key according to another embodiment of the present invention;
Fig. 6 is another detailed maps of top plate according to an embodiment of the invention;
Fig. 7 is the simplification cross-sectional view of a part for keyboard according to another embodiment of the present invention;
Fig. 8 is the perspective view of the multiple surface characteristics that are placed in key below according to an embodiment of the invention; And
Fig. 9 be photoconduction a part extended view and show the surface characteristics of several key positions.
Embodiment
The invention provides a kind of peripheral unit for computer system.More particularly, the invention provides a kind of keyboard with super durable key.
The lettering that one aspect of the present invention relates on the key that makes keyboard keeps and does not grind off.Lettering on described key comprises character, symbol and the text of the information of the function of carrying out in the time being pressed by user about key is provided.In one embodiment, this realizes in the following manner: do not make user's finger directly touch lettering on conventional keyboard but have guard cover between the part of the finger contact by user of lettering and key.Described guard cover can be transparent or translucent, makes user to see the lettering on key by described guard cover.According to an embodiment, described lettering is that back-illuminated type makes the character in lettering in low luminous environment, can be visible.
Fig. 1 is the rough schematic view of key 100 according to an embodiment of the invention.Key 100 can be configured for use in together with keyboard or similar device and use.Key 100 comprises keycap 105, and wherein user's finger cannot directly touch character layer 110, makes print character in described character layer by can not be along with being wiped free of with user's the repeating to contact of finger.More particularly, key 100 comprises keycap 105, character layer 110, intermediate layer 115, elastomeric element 120, diffusing layer 125, photoconduction 130 and is configured to light is sent to the light source 135 (for example, one group of light-emitting diode) in described photoconduction.One group mentioned herein comprises one or more elements.
Keycap 105 forms the top part of described key and can be transparent or roughly translucent.Keycap 105 can be formed by plastics or similar material etc.According to an embodiment, character layer 110 can be placed on the D score surface 105a of described keycap.Character layer 110 can comprise at least the first dope layer and the second dope layer.Described the first dope layer can be can spray, print (for example, bat printing) by the time on the lower surface 105a of key 105 he look dope layer.According to an embodiment, described the first dope layer can be for example, through etching (passing through laser) to form character in described the first dope layer.Described character can be any character being conventionally present on the key of keyboard.Those skilled in the art will appreciate that, described photoconduction can extend and light is provided to described key below several keys on keyboard.
Fig. 2 A is the event that forms the first dope layer 110a and form the temporal order of character 110b on keycap 105 in described the first dope layer to Fig. 2 C.More particularly, Fig. 2 A is the simplification upward view on lower surface 105a without the keycap 105 of coating.Fig. 2 B is the simplification upward view that is formed with the keycap 105 of the first dope layer 110a on lower surface 105a.Fig. 2 C is the simplification upward view that is wherein formed with the keycap 105 of character 110b (for example, character " A ") in the first dope layer.Can form described character by laser-induced thermal etching or similar techniques.According to a specific embodiment, described the second dope layer is the whitewash layer that is formed at described the first dope layer top.Can be in described the first dope layer after character, above described the first dope layer, to spray described in etching described the second dope layer.
Fig. 2 D is the event that forms the temporal order of the first dope layer 110a and the second dope layer 110c on the lower surface 105a of keycap 105 to Fig. 2 F.Fig. 2 D is to each vertical view that comprises described keycap and upward view in Fig. 2 F.Fig. 2 D is the upward view of described keycap to the top graph picture (towards the top of the page) of the keycap in each in Fig. 2 F, and Fig. 2 D is the vertical view of described keycap to the bottom diagram picture (towards the bottom of the page) in each in Fig. 2 F.More particularly, Fig. 2 D shows the first dope layer 110a on the lower surface that is formed at keycap.Fig. 2 E shows the character 110b being formed in the first dope layer.Fig. 2 F shows the second dope layer 110c that is formed at the first dope layer 110A top.At least above the character being formed in described the first dope layer, form described the second dope layer.
Refer again to Fig. 1, intermediate layer 115 can be coupled to described keycap with described character layer is encapsulated in the lower surface 105a of described keycap and described intermediate layer " on " between surperficial 115a.Be called glue, ultrasonic bonding or similar techniques and engaged keycap 105 and intermediate layer 115.According to a specific embodiment, keycap 105 comprises one group of brace 145 on the side 105b that is placed in keycap 105.Brace 145 can be general rectangular in shape, and can be configured to intermediate layer 115 to be mechanically coupled to keycap 105.
According to alternate embodiment, described the second dope layer (for example, whitewash layer) can be sprayed on the upper surface 115a in intermediate layer 115.According to another alternate embodiment, can above described the second dope layer, the first dope layer (for example, he look dope layer) sprayed on the upper surface 115a in intermediate layer 115.After this.Described in can etching, the first dope layer to form character in described the first dope layer.According to this embodiment, whole character layer 110 can be formed on the upper surface in described intermediate layer.
According to another alternate embodiment, character layer 110 comprises the first dope layer on the upper surface that is sprayed directly into intermediate layer.Described in can etching, the first dope layer to form character in described dope layer.The color of described the first dope layer can form contrast with the color at the top in described intermediate layer.
According to an embodiment, elastomeric element 120 is formed by rubber or similar material and for roughly translucent.The top partial coupling of described elastomeric element is to the lower surface 115b in intermediate layer 115, and the bottom part of described elastomeric element is coupled to photoconduction 130 at diffusing layer 125 places.Described elastomeric element is configured to distortion in the situation that pressing described keycap downwards described cap can be moved down.Thereby described elastomeric element can be configured to resilience after pressing described keycap and upwards back promote described keycap.
Diffusing layer 125 is configured to light to be upwards directed to described elastomeric element from described photoconduction.Diffusing layer 125 can comprise coarse (through sand milling, through spot corrosion etc.) surface or analog of lens, described photoconduction.Described elastomeric element is translucent and is configured to light to be upwards directed to described intermediate layer from described diffusing layer, and described intermediate layer is also translucent.Described intermediate layer is configured to the light receiving from described elastomeric element upwards to guide through upper surface 115a.According to an embodiment, upper surface 115a can be that rough surface is to strengthen the dispersion of light at described upper surface place.For example, be the specific embodiment being formed on the upper surface 115a in described intermediate layer according to the second dope layer (, whitewash layer) wherein, described the second dope layer also can be configured to disperse the light from described intermediate layer.From the dispersion of the light in described intermediate layer for roughly irradiating equably the character that is formed at described the first dope layer.
According to another embodiment, described intermediate layer can comprise light dispersion (not shown).Described intermediate layer can be formed and can be comprised described smooth dispersion by plastics or similar material.Described smooth dispersion can comprise titanium oxide, particle matter (for example, nano particle), bubble (for example, microbubble) or analog.Described smooth dispersion is configured to scattered light in described intermediate layer, makes wide the causing of penetrating described intermediate layer through upper surface 115a irradiate equably the character being formed in described the first dope layer.Outwards transmit from described the first dope layer the image that forms described character through the light of described keycap, it can be seen by the user who watches key.Because described keycap is roughly transparent, therefore described light passes described character and outwards transmits from described keycap.Whereby, described character can be for example, visible through illuminating character in low luminous environment (dark room).
Fig. 3 is the decomposition view of key 300 according to another embodiment of the present invention.Fig. 3 is roughly the top perspective of key 300.Identify identical or roughly the same element in Fig. 3 by the identical numbering plan of using for Fig. 1 above.Key 300 is similar to key 100 as described above, but is that from the different of key 100 key 300 comprises scissor support 305, and it can be installed to plate 310 and be coupled to intermediate layer 115.Plate 310 can be a part for the extension board that extends in whole keyboard.Plate 310 can be metal and various structures (for example, the hook structure) 310a that can comprise the base that is coupled to described scissor support.Photoconduction 130 (not showing in Fig. 3) and diffusing layer 125 (not showing in Fig. 3) can be placed in plate 310 belows.According to an embodiment, thereby elastomeric element 120 is coupled to described photoconduction at described diffusing layer place and is configured to extend through described scissor support contact intermediate layer 115.Intermediate layer 115 can comprise various mounting structure 115c to be coupled to described scissor support on lower surface 115b.Intermediate layer 115 also can comprise structure 115d (for example, star structure) so that described elastomeric element is coupled to described intermediate layer on lower surface 115b.Described star structure can be assemblied in the opening 120a at the top place that is formed at described elastomeric element.Note, in Fig. 3, intermediate layer 115 is shown as and sees through, make to see mounting structure 115c from the vertical view in described intermediate layer.Thereby scissor support 305 is configured to be coupled to intermediate plate and in the time pressing and discharge described keycap, generally perpendicularly guides up and down keycap 105 and intermediate layer 115.Except described elastomeric element, described scissor support also can provide spring force to promote described intermediate plate and keycap after pressing and discharging described keycap to described intermediate plate and keycap.In other side, key 300 functional is roughly similar to key 100 as described above.
Fig. 4 is the decomposition view of key 400 according to another embodiment of the present invention.Identify identical or roughly the same element in Fig. 4 by the identical numbering plan of using for Fig. 1 and Fig. 3 above.Key 400 is similar to key 300 as described above, but is that from the different of key 300 key 400 comprises the colour film 405 being placed on intermediate layer 115.Described colour film can be translucent and can be the color that is different from the plastics (or similar material) that form intermediate layer.Described colour film can be installed on the upper surface 115a in described intermediate layer.In the time that light upwards transmits and passes described intermediate layer and described colour film, described intermediate layer be configured to the first color (for example, white) (for example irradiate the first character, " F3 "), and described colour film be configured to the second color (for example, orange) irradiation the second character (for example, rectangular area).Although shown key 400 comprises a colour film 405 in Fig. 4, described key can comprise more than one colour film, makes those colors of available described colour film irradiate the character of described key.In other side, key 400 functional is roughly similar to key 100 as described above.
Fig. 5 is the simplification cross-sectional view of key 500 according to another embodiment of the present invention.Key 500 is roughly similar to key as described above, and only key 500 comprises and is coupled to the top plate 505 in intermediate layer 115 and is coupled to described top plate and both side parts 510 of described intermediate layer.Side part 510 can by clip or as described above analog be mechanically coupled to described intermediate layer.The side part 510 of key 500 forms the exterior section of the side of described key.Side part 510 is around at least a portion of the side of described top plate and the side in described intermediate layer.According to an embodiment, side part 510 comprises the shelf 515 extending with respect to the top cross of described key.Shelf 515 be coupled to described top plate and intermediate layer 115 both.Side part 510 can be as shown in Figure 5 be approximately perpendicular to like that described top plate and to downward-extension or tiltable.
Fig. 6 is another detailed maps of top plate 505 according to an embodiment of the invention.Top plate 505 comprises hyaline layer 520, character layer 110, translucent dope layer 525 and glue-line 530.Hyaline layer 520 can be shaped plastics film (for example, polymer film).Described hyaline layer can be approximately 1 millimeters thick or be less than 1 millimeters thick.Described hyaline layer can be glued to described intermediate layer by described glue-line.Character layer 110 can have each in feature as described above.For instance, character layer 110 can print (for example, bat printing) to hyaline layer 520.Described character can be have the black character of white background or by black lettering roughly around white characters.According to alternate embodiment, described character layer can be dope layer and described character can etching (for example, laser-induced thermal etching) in described dope layer.
According to an embodiment, described translucent dope layer can be whitewash layer or similar layer.The width of the comparable described character of described translucent dope layer and highly wide or than the width of the background of described character and highly wide.Described glue-line can be roughly transparent.According to an embodiment, be configured to advance through diffusing layer 125, through elastomeric element 120, through intermediate layer 115, through being formed at the character in character layer 110 and passing outwards through the hyaline layer 520 that wherein said character can be seen by user from the light of photoconduction 130.
Fig. 7 is the simplification cross-sectional view of a part for keyboard 700 according to another embodiment of the present invention.Keyboard 700 comprises multiple keys, shows a key 705 in described multiple key in Fig. 7.The mode that each in the key comprising in keyboard 700 can be similar to key 705 configures.Key 705 can be any one in key embodiment as described above.According to an embodiment, photoconduction 130 is surrounded by reflector 720 on lower surface 710 and side surface 715.Reflector 720 can be white films (for example, white plastic, whitewash etc.), metal film or similar film.Described reflector is configured to the light of escaping from lower surface and the side surface of described photoconduction to lead back to the body of described photoconduction.
According to an embodiment, photoconduction 130 comprises the outward extending multiple surface characteristics 725 in bottom from described photoconduction.Fig. 8 is the perspective view that can be placed in multiple surface characteristics 725 of key 705 belows.Note, Fig. 8 shows the upward view of described photoconduction.Fig. 9 be photoconduction a part extended view and show the surface characteristics 725 of several key positions.
Described surface characteristics is configured to outwards guide light and outwards guide described light to illuminate the character in the character layer that is formed at described key through described key through the top surface 730 of described photoconduction.Described surface characteristics can be configured to reverberation upwards and reflected light is focused on.According to an embodiment, the light focusing on from described surface characteristics is mapped to given angle the top surface of waveguide, and described given angle can be less than the critical angle in described top surface place experiences total internal reflection.
It can be maybe general planar that each in described surface characteristics can have shaped form surface as shown in Figure 8.For instance, each surface characteristics can have parabolic shape or analogous shape.Described surface characteristics can be cylindrical.According to an embodiment, described multiple surface characteristics and described photoconduction entirety form.According to alternate embodiment, described surface characteristics is formed in described lower surface and can sprays or be printed in described lower surface.Or described surface characteristics can be the coarse section of the lower surface of described photoconduction.The part around described coarse section of described photoconduction compare with described coarse section can be relative level and smooth.Fig. 9 is the image with the photoconduction of some multiple surface characteristics 725, and wherein each multiple surface characteristics is close to the position of a key.According to the specific embodiment of photoconduction shown in Fig. 9, described surface characteristics spraying or be printed onto in the lower surface of photoconduction and can be general planar.
According to another embodiment, photoconduction 130 comprises ring feature 735.Ring feature 735 is extended from the bottom of described photoconduction.Described ring feature can form the lower surface that maybe can be applied to by spraying, printing or similar approach described photoconduction with described photoconduction entirety.Ring feature 735 is configured to light to be upwards directed to from the bottom of described photoconduction photoconduction body and through the top surface 730 of described photoconduction and outwards guides described light to irradiate key.Described ring feature can have circular surface.According to an embodiment, described circular surface can be parabola (in the cross-sectional view of described ring feature).Or, if described ring feature (and/or surface characteristics) be spraying or printing, encircle so feature (and/or surface characteristics) and can be roughly two dimension.According to an embodiment, compared with multiple surface characteristics 725, described ring feature is configured to provide extra irradiation at the side place of key.Provide extra irradiation by the side place at key, can roughly irradiate equably any character being formed in character layer.Described ring feature can be as shown roughly square or can have other favourable shape, for example rectangle, circle or analogous shape.Although described ring feature is shown as and has shaped form profile, described ring feature can have other profile, for example rectangle or similar profile.
Although graphic extension and described specific embodiment of the present invention and application, should be understood that the present invention is not limited to accurate structure and assembly disclosed herein.Do not deviating under the prerequisite of the spirit of the present invention that defines as above claims and scope, various other amendments, change and version be can in the layout of present invention disclosed herein method and apparatus, operation and details, make, these amendments, change and version it will be apparent to those skilled in the art that.

Claims (46)

1. for a key for keyboard, it comprises:
Keycap, its have be configured to through contact for press the top surface of described key downwards and have bottom, wherein said keycap is roughly transparent;
Intermediate layer, it is coupled to the described bottom of described keycap, and wherein said intermediate layer is translucent and comprises top and bottom, and the described top surface in wherein said intermediate layer is to the described bottom of described keycap;
Character layer, it is positioned between the described bottom of described keycap and the described top in described intermediate layer;
Elastomeric element, it is coupled to the described bottom in described intermediate layer, wherein:
Described elastomeric element is translucent and is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described keycap, and described character layer is configured to through illuminating for watching by described keycap;
Photoconduction, it is coupled to described elastomeric element and has body, lower surface, side surface and diffuse component, described diffuse component be coupled to described elastomeric element with optical mode and be configured to by light from described optical guide guides light to described elastomeric element, wherein said photoconduction comprises multiple surface characteristics of giving prominence in the described lower surface that is placed in described photoconduction and from described lower surface downwards, and wherein said surface characteristics has parabolic shape and is configured to reverberation upwards and the light of reflection is focused on and passes outwards through the top surface of described photoconduction and pass outwards through described key to illuminate the character in the described character layer that is formed at described key, and
Reflector, it is wrapped in described lower surface and the side surface of described photoconduction, and described reflector is through operating to lead back to the described body of described photoconduction from the light of the described lower surface of described photoconduction and side surface escape.
2. key according to claim 1, wherein said diffuse component comprises lens.
3. key according to claim 1, wherein said diffuse component comprises rough surface.
4. key according to claim 1, wherein said photoconduction is coupled to and is configured to light to send to the light generating device in described photoconduction with optical mode.
5. key according to claim 4, wherein said light generating device comprises one group of light-emitting diode.
6. key according to claim 1, wherein:
The described bottom of described keycap comprises corresponding to the core of described character layer and one group of side part, and
The described side part of described keycap comprises the one group of protuberance that is configured to described intermediate layer to be mechanically coupled to described keycap.
7. key according to claim 1, wherein said character layer is positioned on the described top in described intermediate layer.
8. key according to claim 1, wherein said character layer is positioned on the described bottom of described keycap.
9. key according to claim 1, wherein said character layer comprises dope layer, in described dope layer, is formed with character.
10. key according to claim 1, wherein said character forms by laser-induced thermal etching.
11. keys according to claim 1, wherein:
Described character layer comprises the first dope layer and the second dope layer, and
Described the first dope layer and described the second dope layer have contrast color.
12. keys according to claim 1, wherein said intermediate layer comprises light dispersion.
13. keys according to claim 1, wherein said smooth dispersion is titanium oxide, nano particle or bubble.
14. keys according to claim 1, the described top in wherein said intermediate layer is the coarse light to disperse to distribute from described top.
15. 1 kinds of keys for keyboard, it comprises:
Keycap;
Intermediate layer, it is coupled to described keycap;
Character layer, it is positioned between described keycap and described intermediate layer;
Elastomeric element, its described intermediate layer and be configured to promote described intermediate layer in the situation that of the distortion of described elastomeric element of being coupled, wherein
Described elastomeric element is translucent, and is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described keycap, and described character layer is configured to through illuminating for watching by described keycap;
Photoconduction, it is coupled to described elastomeric element and has body, lower surface, side surface and diffuse component, described diffuse component be coupled to described elastomeric element with optical mode and be configured to by light from described optical guide guides light to described elastomeric element, wherein said photoconduction comprises multiple surface characteristics of giving prominence in the described lower surface that is placed in described photoconduction and from described lower surface downwards, and wherein said surface characteristics has parabolic shape and is configured to reverberation upwards and the light of reflection is focused on and passes outwards through the top surface of described photoconduction and pass outwards through described key to illuminate the character in the described character layer that is formed at described key, and
Reflector, it is wrapped in described lower surface and the side surface of described photoconduction, and described reflector is through operating to lead back to the described body of described photoconduction from the light of the described lower surface of described photoconduction and side surface escape.
16. keys according to claim 15, wherein said diffuse component comprises lens.
17. keys according to claim 15, wherein said diffuse component comprises rough surface.
18. keys according to claim 15, wherein said photoconduction is coupled to and is configured to light to send to the light generating device in described photoconduction with optical mode.
19. keys according to claim 18, wherein said light generating device comprises one group of light-emitting diode.
20. keys according to claim 15, wherein:
The bottom of described keycap comprises corresponding to the core of described character layer and one group of side part, and
The described side part of described keycap comprises the one group of protuberance that is configured to described intermediate layer to be mechanically coupled to described keycap.
21. keys according to claim 15, wherein said character layer is positioned on the top surface in described intermediate layer.
22. keys according to claim 15, wherein said character layer is positioned in the lower surface of described keycap.
23. keys according to claim 15, wherein said character layer comprises dope layer, in described dope layer, is formed with character.
24. keys according to claim 15, wherein said character forms by laser-induced thermal etching.
25. keys according to claim 15, wherein:
Described character layer comprises the first dope layer and the second dope layer, and
Described the first dope layer and described the second dope layer have contrast color.
26. keys according to claim 15, wherein said intermediate layer comprises light dispersion.
27. keys according to claim 15, wherein said smooth dispersion is titanium oxide, nano particle or bubble.
28. keys according to claim 15, the top in wherein said intermediate layer is the coarse light to disperse to distribute from described top.
29. 1 kinds of keyboards, it comprises:
Multiple keys, wherein each key comprises:
Keycap;
Intermediate layer, it is coupled to described keycap;
Character layer, it is positioned between described keycap and described intermediate layer; And
Elastomeric element, it is translucent, and it is coupled to described intermediate layer and is configured to promote described intermediate layer in the situation that of described elastomeric element distortion;
Photoconduction, it has multiple diffuse components, described multiple diffuse component is coupled to described multiple elastomeric element and is configured to carry out following operation with optical mode respectively: i) by light from described optical guide guides light to described elastomeric element, ii) guide described light through described intermediate layer, iii) guide described light through described character layer, and iv) from the outwards described light of guiding of described keycap, wherein said character layer is configured to through illuminating for watching by described keycap, and wherein said photoconduction comprises body, lower surface and side surface, wherein said photoconduction comprises multiple surface characteristics of giving prominence in the described lower surface that is placed in described photoconduction and from described lower surface downwards, and wherein said surface characteristics has parabolic shape and is configured to reverberation upwards and the light of reflection is focused on and passes outwards through the top surface of described photoconduction and pass outwards through described key to illuminate the character in the described character layer that is formed at described key, and
Reflector, it is wrapped in described lower surface and the side surface of described photoconduction, and described reflector is through operating to lead back to the described body of described photoconduction from the light of the described lower surface of described photoconduction and side surface escape.
30. keyboards according to claim 29, each in wherein said diffuse component comprises lens.
31. keyboards according to claim 29, each in wherein said diffuse component comprises rough surface.
32. keyboards according to claim 29, wherein said photoconduction is coupled to and is configured to light to send to the light generating device in described photoconduction with optical mode.
33. 1 kinds of keys for keyboard, it comprises:
Top plate, it is for roughly transparent and be configured to through contact for pressing described key downwards;
Intermediate layer, it is coupled to the bottom of described top plate, and wherein said intermediate layer is translucent and comprises top and bottom, and the described top surface in wherein said intermediate layer is to the described bottom of described top plate;
Side part, it is around at least a portion of the side part of described top plate and the side part in described intermediate layer;
Character layer, it is positioned between the described bottom of described top plate and the described top in described intermediate layer;
Elastomeric element, it is coupled to the described bottom in described intermediate layer, wherein:
A) described elastomeric element is translucent and is configured to guide light to pass described intermediate layer, outwards guide described light through described character layer and from described top plate, and
B) described character layer is configured to through illuminating for watching by described top plate;
Photoconduction, it is coupled to described elastomeric element and has body, lower surface, side surface and diffuse component, described diffuse component be coupled to described elastomeric element with optical mode and be configured to by light from described optical guide guides light to described elastomeric element, wherein said photoconduction comprises multiple surface characteristics of giving prominence in the described lower surface that is placed in described photoconduction and from described lower surface downwards, and wherein said surface characteristics has parabolic shape and is configured to reverberation upwards and the light of reflection is focused on and passes outwards through the top surface of described photoconduction and pass outwards through described key to illuminate the character in the described character layer that is formed at described key, and
Reflector, it is wrapped in described lower surface and the side surface of described photoconduction, and described reflector is through operating to lead back to the described body of described photoconduction from the light of the described lower surface of described photoconduction and side surface escape.
34. keys according to claim 33, wherein said top plate comprises the hyaline layer that is placed in described character layer top and the translucent dope layer that is placed in described character layer below.
35. keys according to claim 33, wherein said top plate comprises the glue-line being placed between described character layer and described intermediate layer, and wherein said glue-line is configured to described top plate to be coupled to described intermediate layer.
36. keys according to claim 33, wherein said top plate is configured and is mechanically coupled to intermediate plate.
37. keys according to claim 33, wherein said diffuse component comprises lens.
38. keys according to claim 33, wherein said diffuse component comprises rough surface.
39. 1 kinds of keyboards, it comprises
Multiple keys, wherein each key comprises the character layer that is coupled to it;
Photoconduction, its be placed in described key below and be configured to that light is directed in described key and guide described light through described character layer to illuminate described character layer for being watched by user, wherein said photoconduction comprises towards the top surface of described key and back to the lower surface of described key;
Multiple ring structures, it is placed in described lower surface and from described lower surface and extends, and wherein each ring structure is placed in below the one in described key, and each in wherein said ring structure is configured to provide extra irradiation at the side place of described key; And
Multiple surface characteristics, it is placed in the described lower surface of described photoconduction, each of wherein said multiple surface characteristics is from the described lower surface of described photoconduction to downward-extension, and wherein said surface characteristics has parabolic shape and is configured to reverberation upwards and the light of reflection is focused on and passes outwards through the described top surface of described photoconduction and pass outwards through described key to illuminate the character in the described character layer that is formed at described key.
40. according to the keyboard described in claim 39, and wherein said multiple ring structures and described photoconduction entirety form.
41. according to the keyboard described in claim 39, and wherein said multiple ring structures are dope layer.
42. according to the keyboard described in claim 39, and wherein each ring structure has curved surface.
43. according to the keyboard described in claim 42, and wherein said curve is parabola.
44. according to the keyboard described in claim 39, and wherein said multiple surface characteristics are extended from described lower surface, and each in wherein said ring structure is around the one in described multiple surface characteristics.
45. according to the keyboard described in claim 39, and each in wherein said surface characteristics has shaped form surface.
46. according to the keyboard described in claim 45, and wherein said shaped form surface is parabola.
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