CN103839719A - Light-emitting keyboard - Google Patents
Light-emitting keyboard Download PDFInfo
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- CN103839719A CN103839719A CN201210482879.9A CN201210482879A CN103839719A CN 103839719 A CN103839719 A CN 103839719A CN 201210482879 A CN201210482879 A CN 201210482879A CN 103839719 A CN103839719 A CN 103839719A
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- keycap
- light
- light guide
- guide plate
- induction line
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Abstract
The invention discloses a light-emitting keyboard comprising key caps, key cap guiding brackets, a light guide plate and an induction circuit layer which are arranged from the top to the bottom in turn. The key cap guiding brackets are used for fixing and the guiding the key caps to move upwardly and downwardly. The light guide plate is used for fixing the key cap guiding brackets and transmitting light rays from light-emitting elements. When a user presses the key caps, the induction circuit layer inducts closing of the key caps and then generates a non-contact type key switch signal. The non-contact type induction circuit layer is applied to induct whether the key caps are pressed by the user or not so that conventional lifting supporting devices are saved, and the light rays are not influenced by other elements to be largely absorbed or substantially changed in travel direction when the light rays from the light-emitting elements are upwardly projected to the key caps.
Description
Technical field
The present invention relates to a kind of keyboard, relate in particular to a kind of keyboard with lighting function.
Background technology
Keyboard is conventional computer peripheral apparatus, in order to input characters or instruction to computer.Refer to Fig. 1, Fig. 1 shows the schematic appearance of existing keyboard.Existing keyboard 1 has multiple buttons 10, in the time that user presses those buttons 10 with finger, give computer by producing corresponding signal, make computer carry out keypress function, such as can inputting English letter when pressing keys 101 etc. symbol, when pressing keys 102, can input numeral, when pressing keys 103, can carry out fast various functions.
Recently keyboard manufacturer is devoted to research and develop the various keyboards with specific function to meet different users's various demands, for example, for to make user still can know the printed words of seeing on button in the environment of light source deficiency, and has had the appearance of illuminated keyboard.
The outward appearance of existing illuminated keyboard and aforesaid existing keyboard 1 are roughly the same, therefore only describe with regard to the internal structure of existing illuminated keyboard below.Refer to Fig. 2, Fig. 2 shows the generalized section of existing illuminated keyboard.
First the element of existing illuminated keyboard is described.Existing illuminated keyboard 2 comprises button 21, film switch circuit 22, base plate 23 and backlight module 24.
Moreover film switch circuit 22 comprises wiring board 221 and lower wiring board 222, upper wiring board 221 has upper contact 221a, and lower wiring board 222 has the lower contact 222a corresponding to upper contact 221a.
In addition, 24 of backlight modules include light guide plate 241, reflecting plate 242 and light-emitting component 243.
Next assembling sequence and the start principle of existing illuminated keyboard are described.First, button 21 is all arranged on base plate 23 with film switch circuit 22, and 24 of backlight modules are arranged at base plate 23 times.
Detailed says, the liftable supporter 212 of button 21 connects keycap 211 and base plate 23, and elastic component 213 is arranged in liftable supporter 212 and between keycap 211 and base plate 23, and 22 of film switch circuits are arranged between elastic component 213 and base plate 23.
In the time that button 21 is pressed, keycap 211 follows liftable supporter 212 vertically to move towards the direction of base plate 23, make the protuberance 213a of elastic component 213 inside press film switch circuit 22, so the upper contact 221a of film switch circuit 22 contacts and conducting with lower contact 222a, and then carry out the function that user institute wish is inputted.In addition, elastic component 213 is also the relative base plate 23 of keycap 211 required elastic force source while moving up and down.
Moreover light guide plate 241 is arranged at base plate 23 times, 242 of reflecting plates are arranged at light guide plate 241 times, and light-emitting component 243 is arranged at a side of light guide plate 241.Light-emitting component 243 provides illuminated keyboard 2 luminous required light source, and light guide plate 241 guides the light that light-emitting component 243 is launched to project towards the direction of base plate 23.In addition, reflecting plate 242 reflects the light that light-emitting component 243 is launched, and light can more as one man be transmitted in light guide plate 241.
As shown in the above, existing illuminated keyboard 2 comprises following element and assembles with putting in order from top to bottom, comprises keycap 211, liftable supporter 212, elastic component 213, film switch circuit 22, base plate 23, light guide plate 241 and reflecting plate 242.
First, existing illuminated keyboard 2 needs base plate 23 to support fixing liftable supporter 212, and need light guide plate 241 conducting light, so the integral thickness of illuminated keyboard 2 will be increased, moreover, when the light transmitting in light guide plate 241 is upwards projected to keycap 211, first can be subject to the line influence in film switch circuit 22 and partly scatter and disappear or change projecting direction, affected by liftable supporter 212 or elastic component 213 and partly scatter and disappear or change projecting direction, therefore the light that is finally projected to keycap 211 is by skewness, and brightness is also by influenced.
In addition, the elastic component 213 of existing illuminated keyboard 2 is mainly used in pressing film switch circuit 22, upper contact 221a is contacted with lower contact 222a, therefore elastic component 213 inside must have protuberance 213a, the shape of elastic component 213 is restricted and can not arbitrarily changes, but such shape easily makes light project towards the direction beyond keycap 211, and have a strong impact on the brightness at keycap 211 places.
Therefore need a kind of illuminated keyboard of improvement to improve the problem of existing illuminated keyboard.
Summary of the invention
The object of the present invention is to provide a kind of thin luminous keyboard.
For achieving the above object, the invention provides a kind of illuminated keyboard, comprising:
At least one keycap;
At least one light-emitting component, in order to provide light to give keycap;
One light guide plate, in order to conduct the light of self-emission device;
One induction line layer, is arranged at light guide plate below, in order to produce at least one Non-contact key switch signal; And
At least one keycap guide support, is arranged in light guide plate in order to link keycap and light guide plate, and wherein keycap guide support contacts with keycap, in order to fix and to guide the movement of keycap.
In a preferred embodiment, wherein induction line layer comprises a first substrate and is formed at the first electrode layer of 1 on first substrate and a second electrode lay.
In a preferred embodiment, wherein the first electrode layer comprises multiple the first telegraph circuit patterns, the second electrode lay comprises multiple the second telegraph circuit patterns, in the time that induction line layer is switched on, between the first telegraph circuit pattern and the second telegraph circuit pattern, form an electric field, in the time that keycap approaches electric field, electric field changes and produces Non-contact key switch signal.
In a preferred embodiment, wherein induction line layer comprise a second substrate, one the 3rd substrate and be formed at respectively second substrate and the 3rd substrate on one first electrode layer and a second electrode lay.
In a preferred embodiment, wherein the first electrode layer comprises multiple the first telegraph circuit patterns, the second electrode lay comprises multiple the second telegraph circuit patterns, in the time that induction line layer is switched on, between the first telegraph circuit pattern and the second telegraph circuit pattern, form an electric field, in the time that keycap approaches electric field, electric field changes and produces Non-contact key switch signal.
In a preferred embodiment, more comprise that a reflector plate is arranged between light guide plate and induction line layer or induction line layer below.
In a preferred embodiment, more comprise that a reflector is formed at above or below induction line layer.
In a preferred embodiment, more comprise that a metal base plate is arranged at induction line layer below.
In a preferred embodiment, more comprise that a resilient coating is formed in light guide plate.
In a preferred embodiment, wherein the refractive index of resilient coating between 1 and the refractive index of light guide plate between.
In a preferred embodiment, more comprise that a shielding layer is formed on resilient coating.
In a preferred embodiment, wherein light-emitting component is arranged at the side of light guide plate.
In a preferred embodiment, more comprise that multiple light guide structures are formed at corresponding keycap part in light guide plate, the light that carrys out self-emission device in order to guiding is projected to keycap.
In a preferred embodiment, wherein keycap comprises a transmittance section.
In a preferred embodiment, more comprise that a flexible member is arranged between keycap and light guide plate, in order to provide keycap one elastic force, wherein flexible member has light transmission.
In a preferred embodiment, more comprise that a conductive materials is arranged at an inner surface of keycap.
In a preferred embodiment, wherein conductive materials is metallic paint or conducting foam.
In a preferred embodiment, wherein keycap guide support comprises at least one hollow-out parts, and keycap moves in hollow-out parts.
In a preferred embodiment, wherein induction line layer is capacitive induction line layer.
The present invention uses non-contact inductive line layer induction keycap whether to be pressed by user, save traditional liftable supporter, while making the light of self-emission device to be upwards projected to keycap, can not be subject to other elements to affect and absorbed in a large number or significantly change direct of travel, and can be projected to uniformly keycap.
Accompanying drawing explanation
Fig. 1 shows the schematic appearance of existing keyboard.
Fig. 2 shows the generalized section of existing illuminated keyboard.
Fig. 3 A shows the first generalized section of the illuminated keyboard of the present invention's one first preferred embodiment.
Fig. 3 B shows the second generalized section of the illuminated keyboard of the present invention's one first preferred embodiment.
Fig. 4 A shows the schematic appearance of the induction line layer of the first kind of the present invention's one first preferred embodiment.
Fig. 4 B shows the schematic appearance of the induction line layer of the Second Type of the present invention's one first preferred embodiment.
Fig. 5 shows the generalized section of the illuminated keyboard of the present invention's one second preferred embodiment.
Fig. 6 shows the generalized section of the illuminated keyboard of the present invention 1 the 3rd preferred embodiment.
Fig. 7 shows the generalized section of the illuminated keyboard of the present invention 1 the 4th preferred embodiment.
Wherein, description of reference numerals is as follows:
Button 10,101,102,103 transmission regions 311
Illuminated keyboard 2 inner surfaces 312
Keycap 211 keycap guide support 32
Reflecting plate 242 key switches 354
Light-emitting component 243 second substrate 353a
Light-emitting component 37 flexible members 48
Embodiment
The illuminated keyboard of the present invention's one first preferred embodiment is below described.Refer to Fig. 3 A and Fig. 3 B, Fig. 3 A shows the first generalized section of the illuminated keyboard of the present invention's one first preferred embodiment, and Fig. 3 B shows the second generalized section of the illuminated keyboard of the present invention's one first preferred embodiment.
Below describe the relation between structure and those elements of each element of illuminated keyboard 3 in detail.First, keycap 31 has transmission region 311, and transmission region 311 is the position at letter or symbol place.
The inner surface 312 of keycap 31 has conductive materials 313, and in this example, conductive materials 313 can be the metallic paint of the inner surface 312 of coating keycap 31 or is fixedly arranged on the conducting foam of the inner surface 312 of keycap 31, but not as limit.
Next, keycap guide support 32 has hollow-out parts 321, and keycap 31 is fixed on the hollow-out parts 321 of keycap guide support 32, and can in hollow-out parts 321, move up and down.
It should be noted that, keycap guide support 32 can be as shown in Figure 3A, be complete plates, that is multiple keycaps 31 share a keycap guide support 32, and form hollow-out parts 321 with accommodating keycap 31 in each keycap 31 below, also can be as shown in Figure 3 B, each keycap 31 below all has independently keycap guide support 32, and each keycap guide support 32 has a hollow-out parts 321 with accommodating keycap 31.
Then, flexible member 38 is arranged at keycap 31 belows, so that after keycap 31 compresses flexible member 38 and move down, can be subject to the elastic force that flexible member 38 provides and return the position while not being pressed, it should be noted that, flexible member 38 is made and is had light transmission for transparent material.
The shape of flexible member 38 is also unrestricted, as long as keycap 31 elastic forces being provided and not affecting the ray cast of self-emission device 37 to the structural design of keycap 31, all belongs to the category that the present invention protects.
Then light guide plate 33 is arranged at keycap guide support 32 belows and is connected in flexible member 38, carrys out the light of self-emission device 37 in order to conduction.
In this example, light-emitting component 37 is light-emitting diode (Light Emitting Diode, LED), and the material of light guide plate 33 can be Merlon (polycarbonate, PC), polymethyl methacrylate (polymethylmethacrylate, PMMA), the transparent material such as polyethylene terephthalate (polyethylene terephthalate, PET) or silicones (silicone), but not as limit.
In addition, the upper surface 331 of light guide plate 33 is formed with resilient coating 391, resilient coating 391 tops are formed with shielding layer 392, resilient coating 391 can intercept light guide plate 33 and shielding layer 392, make the light in light guide plate 33 follow total reflection principle transmission, and avoid the light crested layer 392 of self-emission device 37 to absorb.
Please note, need the region of printing opacity not need to form shielding layer 392, in this example, for making the light that carrys out self-emission device 37 transmitting in light guide plate 33 upwards be projected to keycap 31, the corresponding keycap 31 position parts of upper surface 331 of light guide plate 33 do not have shielding layer 392.
In addition, the distribution of resilient coating 391 is also unrestricted, the only use for illustrating of the resilient coating 391 in Fig. 3.
It should be noted that, be down to minimum for making resilient coating 391 on the impact of the light transmission efficiency in light guide plate 33, resilient coating 391 need be selected the material that light is had to low absorptivity and low scattered power, in addition according to total reflection principle, for the light generation total reflection that makes to transmit in light guide plate 33, the refractive index of resilient coating 391 must be less than the refractive index of light guide plate 33.
For example, while using the light guide plate 33 that material is Merlon, the refractive index of resilient coating 391 should be between the refractive index of 1(air) and the refractive index of 1.5872(Merlon) between.
In the time that the refractive index of resilient coating 391 more approaches 1, the ratio between the refractive index of resilient coating 391 and the refractive index of light guide plate 33 is less, and the critical angle of light generation total reflection is less, and meaning is that light more easily produces total reflection.In other words, the refractive index of resilient coating 391 more approaches the refractive index of air, and the usefulness of light guide plate 33 conducting light is better.
In order to make the light that carrys out self-emission device 37 transmitting in light guide plate 33 can upwards appear smoothly light guide plate 33, more comprise that multiple light guide structures 332 are formed at the lower surface of light guide plate 33, multiple light guide structures 332 bootable come the light of self-emission device 37 be projected to keycap 31.
It should be added that, multiple light guide structures 332 manufacturing technologies of light guide plate 33 can be divided into printing-type and non-printing-type two types.
The former utilizes wire mark mode that light guide ink is imprinted on and in light guide plate 33, forms different multiple light guide structures 332 shapes and distribution.Latter is with the mode such as chemical etching process or laser engraving technique designing mould, then, with ejection formation or the technology such as hot-forming, multiple light guide structures 332 is formed in light guide plate 33.
Note that the only use for illustrating of multiple light guide structures 332 in Fig. 3, not in order to limit shape, generation type and the distribution of multiple light guide structure 332 of the present invention.
In addition, multiple light guide structures 332 are positioned at keycap 31 belows, are directed to the transmission region 311 of keycap 31 to come the light of self-emission device 37 to see through multiple light guide structures 332.Whereby, the letter on keycap 31 or symbol are appeared light and are had illumination effect.
It should be added that, keycap guide support 32 is fixed in light guide plate 33 after the upper surface in light guide plate 33 331 being formed to resilient coating 391 or shielding layer 392 with flexible member 38, that is keycap guide support 32 may contact with resilient coating 391 or shielding layer 392 while being fixed in light guide plate 33 with flexible member 38, the only use for illustrating of state of the keycap guide support 32 in Fig. 3 and flexible member 38 and light guide plate 33 combinations, not in order to limit scope of the present invention.
Moreover reflector plate 34 is arranged at light guide plate 33 belows, in order to increase the reflectivity of light, reduces light and scatter and disappear, and then promote the brightness of illuminated keyboard 3.
Next, induction line layer 35 is arranged at reflector plate 34 belows, whether is pressed and produces corresponding Non-contact key switch signal to carry out corresponding function, for example input characters, symbol, numeral etc. in computer system in order to respond to keycap 31 by user.
In this example, induction line layer 35 is capacitive induction line layer, induction line layer 35 can be divided into two types, first the induction line layer 35 of the first type is described, referring to Fig. 3 A and Fig. 4 A, Fig. 4 A shows the schematic appearance of the induction line layer of the first kind of the present invention's one first preferred embodiment.Note that the only use for illustrating of induction line layer 35 in Fig. 4 A, not in order to limit generation type and the pattern of induction line layer 35 of the present invention.
The first electrode layer 351 comprises multiple the first telegraph circuit pattern 351a, and the second electrode lay 352 comprises that multiple the second telegraph circuit pattern 352a are arranged at by multiple the first telegraph circuit pattern 351a.
In this example, the first telegraph circuit pattern 351a and the second telegraph circuit pattern 352a form a key switch 354, the corresponding keycap 31 of each key switch 354.
The first electrode layer 351 is conductive material with the second electrode lay 352, optional autoxidation indium tin (ITO), indium zinc oxide, zinc oxide aluminum, conducting polymer, Graphene (Graphene), silver bromide (AgBr), indium oxide gallium zinc (IGZO), carbon nano-tube (carbon nanotube), Nano Silver (nano silver) or Nanometer Copper (nano Cu), but not as limit.
In the time that induction line layer 35 is switched on, between the first telegraph circuit pattern 351a of key switch 354 and the second telegraph circuit pattern 352a, form electric field, in the time that user presses keycap 31 downwards, the conductive materials 313 that is arranged at the inner surface 312 of keycap 31 approaches the electric field that is positioned at its below, electric field is changed, and make controller (not shown) produce on this basis corresponding Non-contact key switch signal.
Next the induction line layer of the second type is described, referring to Fig. 3 A and Fig. 4 B, Fig. 4 B shows the schematic appearance of the induction line layer of the Second Type of the present invention's one first preferred embodiment.Note that the only use for illustrating of induction line layer 35 in Fig. 4 B, not in order to limit generation type and the pattern of induction line layer 35 of the present invention.
In this example, the first electrode layer 351 is formed at the lower surface of second substrate 353a, and the second electrode lay 352 is formed at the upper surface of the 3rd substrate 353b, but not as limit.
The first electrode layer 351 comprises multiple the first telegraph circuit pattern 351b, and the second electrode lay 352 comprises multiple the second telegraph circuit pattern 352b(dotted line places) be formed at by multiple the first telegraph circuit pattern 351b.
In this example, the first telegraph circuit pattern 351b and the second telegraph circuit pattern 352b(dotted line place) formation one key switch 355, the corresponding keycap 31 of each key switch 355.
In the time that induction line layer 35 is switched on, the first telegraph circuit pattern 351b of key switch 355 and the second telegraph circuit pattern 352b(dotted line place) between form electric field, in the time that user presses keycap 31 downwards, the conductive materials 313 that is arranged at the inner surface 312 of keycap 31 approaches the electric field that is positioned at its below, electric field is changed, and make controller (not shown) produce on this basis corresponding Non-contact key switch signal.
Finally, metal base plate 36 is arranged at induction line layer 35 below, to support aforesaid all elements and to strengthen bulk strength.
Need to specify, metal base plate 36 inessential element, if bulk strength is enough, needn't arrange metal base plate 36.
The illuminated keyboard that the present invention's one second preferred embodiment is below described, refers to Fig. 5, and Fig. 5 shows the generalized section of the illuminated keyboard of the present invention's one second preferred embodiment.
The structure of each element of illuminated keyboard 4 is all identical with the illuminated keyboard 3 of the first preferred embodiment with material, therefore repeat no more in this.
Different from the first preferred embodiment, the reflector plate 45 of illuminated keyboard 4 is arranged at induction line layer 44 below, and the scatter ratio, scatter and disappear ratio while conduction in light guide plate 43 for reducing the light that carrys out self-emission device 47 equally, to improve the brightness of illuminated keyboard 4.
The illuminated keyboard of the present invention 1 the 3rd preferred embodiment and one the 4th preferred embodiment is below described, refer to Fig. 6 and Fig. 7, Fig. 6 shows the generalized section of the illuminated keyboard of the present invention 1 the 3rd preferred embodiment, and Fig. 7 shows the generalized section of the illuminated keyboard of the present invention 1 the 4th preferred embodiment.
The structure of each element of illuminated keyboard 5 is all identical with the illuminated keyboard 3 of the first preferred embodiment with material, therefore repeat no more in this.
Different from the first preferred embodiment and the second preferred embodiment, scatter ratio, scatter and disappear ratio when illuminated keyboard 5 is formed at reflector 58 above or below induction line layer and reduces the light that carrys out self-emission device 56 and conduct in light guide plate 53 by distribution.
Known according to the explanation of above preferred embodiment, the present invention uses non-contact inductive line layer induction keycap whether to be pressed by user, and do not need to use traditional flexible member with the protuberance for pressing film switch circuit (rubber dome), and fix and guide keycap to move by keycap guide support, and save traditional liftable supporter (being scissor leg structure), while making the light of self-emission device to be upwards projected to keycap, not affected by other elements and absorbed in a large number or significantly change direct of travel, and can be projected to uniformly keycap.
The most important thing is, light guide plate of the present invention has the function of fixing keycap guide support concurrently simultaneously, makes illuminated keyboard that the base material of fixing keycap guide support needn't be additionally set, and makes the integral thickness of illuminated keyboard significantly reduce.
The foregoing is only preferred embodiment of the present invention, not in order to limit claim scope of the present invention, therefore all other do not depart from the equivalence change completing under disclosed spirit or modify, and all should be contained within the scope of claim of the present invention.
Claims (19)
1. an illuminated keyboard, is characterized in that, comprising:
At least one keycap;
At least one light-emitting component, in order to provide light to give this keycap;
One light guide plate, the light in order to conduction from this light-emitting component;
One induction line layer, is arranged at this light guide plate below, in order to produce at least one Non-contact key switch signal; And
At least one keycap guide support, is arranged in this light guide plate in order to link this keycap and this light guide plate, and wherein this keycap guide support contacts with this keycap, in order to fix and to guide the movement of this keycap.
2. illuminated keyboard as claimed in claim 1, wherein this induction line layer comprises a first substrate and is formed at one first electrode layer and the second electrode lay on this first substrate.
3. illuminated keyboard as claimed in claim 2, wherein this first electrode layer comprises multiple the first telegraph circuit patterns, this the second electrode lay comprises multiple the second telegraph circuit patterns, in the time of this induction line layer energising, between this first telegraph circuit pattern and this second telegraph circuit pattern, form an electric field, in the time that this keycap approaches this electric field, this electric field changes and produces this Non-contact key switch signal.
4. illuminated keyboard as claimed in claim 1, wherein this induction line layer comprise a second substrate, one the 3rd substrate and be formed at respectively this second substrate and the 3rd substrate on one first electrode layer and a second electrode lay.
5. illuminated keyboard as claimed in claim 4, wherein this first electrode layer comprises multiple the first telegraph circuit patterns, this the second electrode lay comprises multiple the second telegraph circuit patterns, in the time of this induction line layer energising, between this first telegraph circuit pattern and this second telegraph circuit pattern, form an electric field, in the time that this keycap approaches this electric field, this electric field changes and produces this Non-contact key switch signal.
6. illuminated keyboard as claimed in claim 1, also comprises a reflector plate, and this reflector plate is arranged between this light guide plate and this induction line layer or this induction line layer below.
7. illuminated keyboard as claimed in claim 1, also comprises a reflector, and this reflector is formed at above or below this induction line layer.
8. illuminated keyboard as claimed in claim 1, also comprises a metal base plate, and this metal base plate is arranged at this induction line layer below.
9. illuminated keyboard as claimed in claim 1, also comprises a resilient coating, and this resilient coating is formed in this light guide plate.
10. illuminated keyboard as claimed in claim 9, wherein the refractive index of this resilient coating between 1 and the refractive index of this light guide plate between.
11. illuminated keyboards as claimed in claim 9, also comprise a shielding layer, and this shielding layer is formed on this resilient coating.
12. illuminated keyboards as claimed in claim 1, wherein this light-emitting component is arranged at the side of this light guide plate.
13. illuminated keyboards as claimed in claim 1, also comprise multiple light guide structures, and described multiple light guide structures are formed in this light guide plate should keycap part, are projected to this keycap in order to guiding from the light of this light-emitting component.
14. illuminated keyboards as claimed in claim 1, wherein this keycap comprises a transmittance section.
15. illuminated keyboards as claimed in claim 1, also comprise a flexible member, and this flexible member is arranged between this keycap and this light guide plate, and in order to this keycap one elastic force to be provided, wherein this flexible member has light transmission.
16. illuminated keyboards as claimed in claim 1, also comprise a conductive materials, and this conductive materials is arranged at an inner surface of this keycap.
17. illuminated keyboards as claimed in claim 16, wherein this conductive materials is metallic paint or conducting foam.
18. illuminated keyboards as claimed in claim 1, wherein this keycap guide support comprises at least one hollow-out parts, this keycap moves in this hollow-out parts.
19. illuminated keyboards as claimed in claim 1, wherein this induction line layer is capacitive induction line layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482879.9A CN103839719A (en) | 2012-11-23 | 2012-11-23 | Light-emitting keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210482879.9A CN103839719A (en) | 2012-11-23 | 2012-11-23 | Light-emitting keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103839719A true CN103839719A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210482879.9A Pending CN103839719A (en) | 2012-11-23 | 2012-11-23 | Light-emitting keyboard |
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| Country | Link |
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| CN (1) | CN103839719A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319143A (en) * | 2014-09-30 | 2015-01-28 | 苏州达方电子有限公司 | Keyboard |
| CN105304389A (en) * | 2015-09-11 | 2016-02-03 | 苏州达方电子有限公司 | Keyboard |
| CN110208899A (en) * | 2018-08-01 | 2019-09-06 | 光宝电子(广州)有限公司 | Backlight module and input equipment |
| CN114639563A (en) * | 2020-12-15 | 2022-06-17 | 光宝科技股份有限公司 | Key structure |
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| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
| US20100282581A1 (en) * | 2009-05-07 | 2010-11-11 | All Vision Group Limited | Slef-illumination circuit board and keyboard using same |
| CN102568884A (en) * | 2010-11-19 | 2012-07-11 | 欧姆龙株式会社 | Light-emitting type button switch and operation panel |
| US20120228111A1 (en) * | 2011-03-07 | 2012-09-13 | Pacinian Corporation | Capacitive keyswitch technologies |
| EP2506120A2 (en) * | 2011-04-01 | 2012-10-03 | Primax Electronics Ltd | Illuminated keyboard |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100128427A1 (en) * | 2008-11-27 | 2010-05-27 | Kageyuki Iso | Keyboard, Lighting Module for Keyboard and Electronic Apparatus |
| US20100282581A1 (en) * | 2009-05-07 | 2010-11-11 | All Vision Group Limited | Slef-illumination circuit board and keyboard using same |
| CN102568884A (en) * | 2010-11-19 | 2012-07-11 | 欧姆龙株式会社 | Light-emitting type button switch and operation panel |
| US20120228111A1 (en) * | 2011-03-07 | 2012-09-13 | Pacinian Corporation | Capacitive keyswitch technologies |
| EP2506120A2 (en) * | 2011-04-01 | 2012-10-03 | Primax Electronics Ltd | Illuminated keyboard |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319143A (en) * | 2014-09-30 | 2015-01-28 | 苏州达方电子有限公司 | Keyboard |
| CN105304389A (en) * | 2015-09-11 | 2016-02-03 | 苏州达方电子有限公司 | Keyboard |
| CN110208899A (en) * | 2018-08-01 | 2019-09-06 | 光宝电子(广州)有限公司 | Backlight module and input equipment |
| CN110208899B (en) * | 2018-08-01 | 2021-02-26 | 光宝电子(广州)有限公司 | Backlight module and input device |
| US11036306B2 (en) | 2018-08-01 | 2021-06-15 | Lite-On Electronics (Guangzhou) Limited | Backlight module and input device |
| CN114639563A (en) * | 2020-12-15 | 2022-06-17 | 光宝科技股份有限公司 | Key structure |
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Application publication date: 20140604 |