CN108987161A - Illuminated keyboard - Google Patents
Illuminated keyboard Download PDFInfo
- Publication number
- CN108987161A CN108987161A CN201710403838.9A CN201710403838A CN108987161A CN 108987161 A CN108987161 A CN 108987161A CN 201710403838 A CN201710403838 A CN 201710403838A CN 108987161 A CN108987161 A CN 108987161A
- Authority
- CN
- China
- Prior art keywords
- light
- button cap
- illuminated keyboard
- guide
- character zone
- 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.)
- Pending
Links
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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
Abstract
The present invention discloses a kind of illuminated keyboard comprising can produce the light emitting module, button cap and multiple light-guide devices of light beam, and button cap has character zone.Multiple light-guide devices are set on the lower surface of button cap, and multiple light-guide devices correspond to character zone, to guide the light beam for being projected to button cap to be projected to character zone.Illuminated keyboard of the present invention can be directed to the configuration in various countries' kinds of characters region and corresponding multiple light-guide devices are arranged, and therefore, can be not required to carry out different light-guide device configurations for the light guide plate in light emitting module.
Description
Technical field
The present invention relates to a kind of input units, more particularly to the illuminated keyboard with light-emitting function.
Background technique
Common computer peripheral input unit includes mouse, keyboard and trace ball etc., and wherein keyboard can directly key in text
Word and symbol give computer, therefore the attention quite by user and input unit manufacturer.And the theme of this case is key
Disk.
Referring to Fig. 1, it is the surface structure schematic diagram of existing keyboard.There are multiple keys on the surface of existing keyboard 1
10, multiple keys 10 are classified as general key 101, number key 102 and function key 103 etc., and multiple keys are for making
User makes computer execute touched keypress function, such as general key so that finger presses and generates corresponding signal and gives computer
101 to symbols such as inputting English letters, and number key 102 is to input number, and function key 103 is then to provide various function
Can, such as F1~F12 etc..Wherein existing keyboard 1 is the keyboard of a laptop.
With the evolution of science and technology, keyboard manufacturer is dedicated to researching and developing the various keyboards with specific function, be made with meeting difference
The various demands of user, wherein with illuminated keyboard most by the favor of user.The internal junction of existing illuminated keyboard will be illustrated next
Structure.Referring to Fig. 2, it is the structural profile illustration of existing illuminated keyboard.Existing illuminated keyboard 2 includes multiple 20 (Fig. 2 of key
In only show one), film switch circuit 21, light guide plate 22, light-emitting component 23, bottom plate 24 and power supply circuit plate 25, and press
Key 20 includes button cap 201, scissor connecting element 202 and elastic element 203.In existing illuminated keyboard 2, above-mentioned each element
It is basipetal to put in order as button cap 201, scissor connecting element 202, elastic element 203, film switch circuit 21, lead
Tabula rasa 22 and bottom plate 24, light-emitting component 23 and power supply circuit plate 25 are located at the side of film switch circuit 21.Wherein, existing
Illuminated keyboard 2 is the keyboard of laptop (not shown in the figures).
In key 20, button cap 201 is revealed in except existing keyboard 2 and can be pressed by user, scissor connecting element
202 to connect button cap 201 and bottom plate 24, and elastic element 203 pass through scissor connecting element 202 and respectively with key
Cap 201 and film switch circuit 21 contact.Film switch circuit 21 positioned at elastic element 203 then can be by elastic element 203
It supports and generates push button signalling.Power supply circuit plate 25 is located at the side of film switch circuit 21, and light-emitting component 23 is set to confession
On electric circuit board 25, so that light beam B caused by light-emitting component 23 can be projected into light guide plate 22, and light guide plate 22 then be may be guided
Light beam B is projected to button cap 201.Wherein light-emitting component 23 is side direction type illuminating diode.
In Fig. 2, button cap 201 has character zone 2011, is revealed in the upper surface of button cap 201, that is, character area
Domain 2011 is and text shown on button cap 201.On the other hand, light guide plate 22 has light directing site 221, and guide-lighting net
Point 221 is located at the lower section of character zone 2011 corresponding to character zone 2011.The projection of the light beam B caused by the light-emitting component 23
Into light guide plate 22, light beam B is totally reflected in light guide plate 22.When light beam B is projected to light directing site 221, light directing site
221 can broken beam B total reflection and guide light beam B to be projected to the character zone 2011 of button cap 201 so that character zone
2011 generate illumination effect.
However, the language as used in each country is different, therefore each country can all be directed to state's language design key
Character zone 2011 on cap 201, so that the configuration of the character zone 2011 of each country is neither identical.With TaiWan, China
For keyboard: also including character " work " in R key other than character " R ".And the light guide plate 22 in existing illuminated keyboard 2
The position of light directing site 221 corresponds to character zone 2011 and is arranged, it is however generally that, light directing site 221 is corresponding to character " R "
Position and be arranged, therefore character " work " is then without corresponding light directing site 221, and only can by be projected to the remaining light of character " R " with
Generate faint illumination effect.Therefore, the light directing site 221 in existing illuminated keyboard 2 is bound to that each country can not be complied fully with
Character zone 2011 configuration, the illumination effect of existing illuminated keyboard 2 will be weakened.The existing practice is only capable of for each country
Character zone configuration, in corresponding light directing site is arranged on light guide plate, this practice is excessively troublesome, and does not meet economic effect
It answers.
Therefore, it is necessary to a kind of illuminated keyboards for being applicable to the configuration of kinds of characters region.
Summary of the invention
The purpose of the present invention is to provide a kind of illuminated keyboards for being applicable to the configuration of kinds of characters region.
In a preferred embodiment, the present invention provide a kind of illuminated keyboard include a light emitting module, multiple button caps and
Multiple light-guide devices.The light emitting module is to generate a light beam, and multiple button cap is located at the top of the light emitting module, and should
An at least button cap in multiple button caps has a character zone, which is shown in a upper surface of the button cap；
Wherein, which is projected to the button cap.Multiple light-guide device is set on a lower surface of the button cap, multiple leaded light
Element, which corresponds to the character zone, makes the character to guide the light beam for being projected to the button cap to be projected to the character zone
Region shines.
In a preferred embodiment, multiple light-guide device is located at the lower section of the position of the character zone.
In a preferred embodiment, multiple light-guide device is at the lower section of the position of the character zone.
In short, multiple light-guide devices are mainly set on the lower surface of button cap by illuminated keyboard of the present invention, make multiple
Light-guide device is located at the lower section or its adjacent place of character zone.Therefore, the structure of illuminated keyboard of the present invention, can be different for various countries
The configuration of character zone and corresponding multiple light-guide devices are set, thus can be not required to for various countries it is different character zone configuration
And different light-guide devices is carried out to light guide plate and is configured, to solve problem of the prior art.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of existing keyboard.
Fig. 2 is the structural profile illustration of existing illuminated keyboard.
Fig. 3 is structural profile illustration of the illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 4 is structure upper schematic diagram of the button cap of illuminated keyboard of the present invention in the first preferred embodiment.
Fig. 5 is structural profile illustration of the illuminated keyboard of the present invention in the second preferred embodiment.
Fig. 6 is structure upper schematic diagram of the button cap of illuminated keyboard of the present invention in the second preferred embodiment.
[symbol description]
1 keyboard, 2,3,4 illuminated keyboard
10,20 key, 21 film switch circuit
22,313 light guide plate, 23 light-emitting component
24,36,46 bottom plate, 25,311,412 power supply circuit plate
30,40 button caps 31,41 light emitting modules
32,42 light-guide devices 33,43 connecting elements
34,44 elastic elements 35,45 switching circuit boards
101 general 102 number keys of key
103 function key, 301,401,2011 character zone
312 side direction type illuminating element, 411 straight-down negative light-emitting diode
221 light directing site B light beams
Specific embodiment
In view of puzzlement caused by the prior art, the present invention provides a kind of illuminated keyboard that can solve prior art problem.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is structural profile illustration of the illuminated keyboard of the present invention in the first preferred embodiment, and
Fig. 4 is structure upper schematic diagram of the button cap of illuminated keyboard of the present invention in the first preferred embodiment.In general, of the invention
Illuminated keyboard 3 is set on the pedestal (not shown in the figures) of portable electronic devices (not shown in the figures), and it includes more
A button cap 30 (one is only shown in figure), light emitting module 31, multiple light-guide devices 32, multiple connecting elements 33 (are only shown in figure
Show one), multiple elastic elements 34 (one is only shown in figure), switching circuit board 35 and bottom plate 36, multiple button caps 30 are aobvious
It is exposed to except its pedestal, so that user is pressed with finger, makes switching circuit board 35 and generate corresponding push button signalling, and should
Push button signalling, which can be transmitted, gives the portable electronic devices (for example, laptop), touches portable electronic devices execution
The keypress function of pressure.Button cap 30 has multiple character zones 301, and multiple character zones 301 are shown in the upper table of button cap 30
On face, multiple character zones 301 for example, character " R " and character " work ", as shown in Figure 4.It is multiple in this preferred embodiment
Character zone 301 is formed in the upper surface of button cap 30 with laser-engraving technique, thus multiple character zones 301 for light by
With translucent effect.
In Fig. 3, light emitting module 31 includes power supply circuit plate 311, side direction type illuminating element 312 and light guide plate 313, laterally
Formula light-emitting component 311 is located at the lower section of button cap 30 and is set in power supply circuit plate 311, and function is in response to power supply circuit plate
Electric power provided by 311 and generate light beam B.Light guide plate 313 is set to the lower section of button cap 30 and adjacent to side direction type illuminating member
Part 312, to guide light beam B to be projected to button cap 30.Wherein, light directing site or guide-lighting micro- knot are also provided with inside light guide plate 313
The light-guide devices such as structure, function is identical as the light guide plate of the prior art, and so it will not be repeated.Connecting element 33 is connected to corresponding
Button cap 30, so that button cap 30 can be moved up and down relative to bottom plate 36, and elastic element 34 is located at corresponding button cap 30
Lower section, can by mobile button cap 30 push against and deformation occurs.Switching circuit board 35 is located at the lower section of elastic element 34,
Function is to be triggered by elastic element 34 and export corresponding push button signalling.Bottom plate 36 be set to the lower section of switching circuit board 35 and
It is connected to connecting element 33, switching circuit board 35 can be carried thereon.In this preferred embodiment, connecting element 33 is scissors
Formula connecting element, and elastic element 34 is elastic rubbery body.
Please continue to refer to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 show that multiple light-guide devices 32 are set under button cap 30
On surface, multiple light-guide devices 32 correspond to a character zone 301, the function of light-guide device 32 be guidance be projected to by
The light beam B of keycap 30 is projected to character zone 301, makes corresponding character zone 301 by light beam B by generating luminous effect
Fruit.In this preferred embodiment, multiple light-guide devices 32 are located at the lower section of the position of corresponding character zone 301, and
Multiple light-guide devices 32 are guide-lighting micro-structure or texture structure.Specifically, button cap 30 is with made by transparent material,
In all painting black coating thereon, and is pressed other than multiple 301 positions of character zone on the upper surface of button cap 30
The other parts (such as lower surface of button cap 30) of keycap 30 are still transparent material, so that light beam B can be by under button cap 30
Side enters in button cap 30, and the light beam B entered in button cap 30 can also be covered by blacking, therefore light beam B only can be by more
A character zone 301 passes through.
Next the touched operation situation of button cap 30 is briefly described: when user presses button cap 30, button cap
30 move down relative to bottom plate 36, so that connecting element 33 is swung by pushing and pressing, and the button cap 30 to move down pushes against bullet
Property element 34, enable that elastic element 34 is supported and deformation occurs and trigger switch circuit board 35, to generate corresponding key letter
Number.And when user no longer presses button cap 30, produced by button cap 30 can be restored in response to elastic element 34 as deformed state
Elastic force and up moved relative to bottom plate 36, up moved with pushing against button cap 30, at the same drive connecting element 33 swing,
So that button cap 30 can restore the position to before being touched.
On the other hand, when side direction type illuminating element 312 generates light beam B by driving, light beam B is projected into light guide plate
It 321 and is totally reflected in the inside of light guide plate 321, later, the bootable light beam B of light guide plate 321 makes it be projected to button cap
301.Next, light beam B enters button cap 30 by the lower surface of button cap 30, and is totally reflected inside button cap 30.When
When the light beam B of total reflection passes through the multiple light-guide devices 32 for being located at 301 lower section of character zone, total reflection is destroyed, and changes light beam B
It changes direction and passes through corresponding character zone 301, so that all character zones 301 on button cap 30 all can produce luminous effect
Fruit, in other words, button cap 30 can produce uniform illumination effect.
Specifically have a two o'clock, first, the light guide plate 313 of this preferred embodiment is set on bottom plate 34, is only
Illustration is used, and is not limited thereto.In fact, light guide plate can also be set to the lower section of bottom plate according to demand, and bottom plate is then set
Corresponding aperture is set, so that light beam passes through.Two or three, key, the fixed form of button cap simultaneously non-limiting must use scissors
Formula connecting element also can be used the connecting element or magnetic-type structure of other forms, to fix button cap, and enable button cap can
It is moved up and down relative to bottom plate.
In addition, the present invention also provides from the second preferred embodiment of the above-mentioned different practices.Please refer to Fig. 5 and Fig. 6,
Fig. 5 is structural profile illustration of the illuminated keyboard of the present invention in the second preferred embodiment, and Fig. 6 is illuminated keyboard of the present invention
Structure upper schematic diagram of the button cap in the second preferred embodiment.Illuminated keyboard 4 includes that multiple button caps 40 (are only shown in figure
One), light emitting module 41, multiple light-guide devices 42, multiple connecting elements 43 (one is only shown in figure), multiple elastic elements 44
(one is only shown in figure), switching circuit board 45 and bottom plate 46, and button cap 40 has multiple character zones 401, wherein more
A character zone 401 for example, character " R " and character " work ", as shown in Figure 6.The structure of each element of illuminated keyboard 4 and
Function is generally identical as the illuminated keyboard 3 of aforementioned preferred embodiment, and something in common repeats no more, and the difference of the rwo
Place has two, first, the structure of light emitting module 41.Second, the setting position of multiple light-guide devices 42.As for the fortune of illuminated keyboard 4
Make, similarly with aforementioned preferred embodiment, so it will not be repeated.
As seen from Figure 5, the light emitting module 41 of this preferred embodiment includes straight-down negative light-emitting diode 411 and power supply electricity
Road plate 412, power supply circuit plate 412 is set to the top of switching circuit board 45, and straight-down negative light-emitting diode 411 is then set to confession
On electric circuit board 412.When straight-down negative light-emitting diode 411 is driven, light beam B can produce, and directly projecting beam B is to pressing
Keycap 40.Since the illuminated keyboard of this preferred embodiment uses straight-down negative light-emitting diode, therefore setting light guide plate can be not required in it
In.
Please refer to Fig. 5 and Fig. 6, Fig. 5 and Fig. 6 show that multiple light-guide devices 42 are set under button cap 40
On surface, multiple light-guide devices 42 correspond to a character zone 401, in this preferred embodiment, multiple light-guide devices
42 at the lower section of the position of corresponding character zone 401, as shown in Figure 6.When 411 quilt of straight-down negative light-emitting diode
When driving and generating light beam B, light beam B enters button cap 40 by the lower surface of button cap 40, and carries out entirely inside button cap 40
Reflection.When the light beam B of total reflection passes through multiple light-guide devices 42 in the region being located around below character zone 401, entirely
Reflection is destroyed, and so that light beam B is changed direction and is passed through corresponding character zone 401, so that button cap 40 can produce uniformly
Illumination effect.
Specifically, no matter multiple light-guide devices 32 are located at the position of corresponding character zone 301
Lower section or multiple light-guide devices 42 are at the lower section of the position of corresponding character zone 401, since light beam B has
There is light diffusing, therefore all has light beam B and be guided and be projected to character zone.It, can be in character zone in a preferable practice
Multiple light-guide devices are all arranged in region at lower section and at the lower section of character zone, that is, are shone simultaneously using the present invention
The configuration in two preferred embodiments in keyboard, to promote its light guide effect.
As described above, multiple light-guide devices are mainly set on the lower surface of button cap by illuminated keyboard of the present invention,
Multiple light-guide devices are made to be located at the lower section or its adjacent place of character zone.Therefore, the structure of illuminated keyboard of the present invention, can be for each
The configuration in state's kinds of characters region and corresponding multiple light-guide devices are set, thus can be not required to for the different character area in various countries
Configuration of territory and different light-guide device is carried out to light guide plate and is configured, to solve problem of the prior art.
The foregoing is merely presently preferred embodiments of the present invention, the claim being not intended to limit the invention, thus it is all its
It is intended to be limited solely by claims hereof without departing from the lower equivalent change or modification completed of spirit disclosed in this invention
It is interior.
Claims (10)
1. a kind of illuminated keyboard characterized by comprising
One light emitting module, to generate a light beam；
Multiple button caps, at least button cap positioned at the top of the light emitting module, and in multiple button cap have a character
Region, the character zone are shown in a upper surface of the button cap；Wherein, which is projected to the button cap；And
Multiple light-guide devices, are set on a lower surface of the button cap, and multiple light-guide device corresponds to the character zone, use
To guide the light beam for being projected to the button cap to be projected to the character zone, the character zone is made to shine.
2. illuminated keyboard as described in claim 1, wherein multiple light-guide device is located at the position of the character zone
Lower section.
3. illuminated keyboard as described in claim 1, wherein multiple light-guide device is around the position of the character zone
At lower section.
4. illuminated keyboard as described in claim 1, wherein multiple light-guide device is guide-lighting micro-structure or texture structure.
5. illuminated keyboard as described in claim 1, wherein the light emitting module is a straight-down negative light-emitting diode.
6. illuminated keyboard as described in claim 1, wherein the light emitting module includes:
One side direction type light-emitting component, positioned at the lower section of button cap, to generate the light beam；
One light guide plate, is set to the lower section of the button cap and adjacent to the side direction type illuminating element, to guide the light beam to project
To the button cap.
7. illuminated keyboard as described in claim 1, further includes:
Multiple connecting elements are connected to corresponding multiple button cap, so that the button cap can move up and down；
Multiple elastic elements are located at the lower section of the corresponding button cap, send out to be pushed against by the mobile button cap
Raw deformation；
One switching circuit board, positioned at the lower section of multiple elastic element, to be triggered and output phase pair by multiple elastic element
The push button signalling answered；And
One bottom plate is set to the lower section of the switching circuit board and is connected to multiple connecting element, to carry the switching circuit
Plate.
8. illuminated keyboard as claimed in claim 7, wherein when the elastic element is no longer pushed against by the button cap, the elasticity
Element provides an elastic force and gives the button cap, moves the button cap up.
9. illuminated keyboard as claimed in claim 7, wherein the connecting element is scissor connecting element.
10. illuminated keyboard as claimed in claim 7, wherein the elastic element is elastic rubbery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403838.9A CN108987161A (en) | 2017-06-01 | 2017-06-01 | Illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403838.9A CN108987161A (en) | 2017-06-01 | 2017-06-01 | Illuminated keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108987161A true CN108987161A (en) | 2018-12-11 |
Family
ID=64501587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710403838.9A Pending CN108987161A (en) | 2017-06-01 | 2017-06-01 | Illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987161A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI749736B (en) * | 2020-07-31 | 2021-12-11 | 致伸科技股份有限公司 | Multi-zone backlight keyboard and backlight module thereof |
| CN114758915A (en) * | 2021-01-11 | 2022-07-15 | 重庆达方电子有限公司 | Light guide plate and backlight keyboard |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM448778U (en) * | 2012-11-02 | 2013-03-11 | Darfon Electronics Corp | Protective cover and keyboard |
| TWM472236U (en) * | 2013-08-22 | 2014-02-11 | Darfon Electronics Corp | Thin keyboard |
| US20160103272A1 (en) * | 2014-10-14 | 2016-04-14 | Szu-Wei Sun | Backlight Assembly with Brightness Enhancing Structure |
| CN205564609U (en) * | 2016-04-08 | 2016-09-07 | 江苏传艺科技股份有限公司 | Illuminating keyboard |
-
2017
- 2017-06-01 CN CN201710403838.9A patent/CN108987161A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM448778U (en) * | 2012-11-02 | 2013-03-11 | Darfon Electronics Corp | Protective cover and keyboard |
| TWM472236U (en) * | 2013-08-22 | 2014-02-11 | Darfon Electronics Corp | Thin keyboard |
| US20160103272A1 (en) * | 2014-10-14 | 2016-04-14 | Szu-Wei Sun | Backlight Assembly with Brightness Enhancing Structure |
| CN205564609U (en) * | 2016-04-08 | 2016-09-07 | 江苏传艺科技股份有限公司 | Illuminating keyboard |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI749736B (en) * | 2020-07-31 | 2021-12-11 | 致伸科技股份有限公司 | Multi-zone backlight keyboard and backlight module thereof |
| CN114758915A (en) * | 2021-01-11 | 2022-07-15 | 重庆达方电子有限公司 | Light guide plate and backlight keyboard |
| CN114758915B (en) * | 2021-01-11 | 2023-11-14 | 重庆达方电子有限公司 | Light guide plate and backlight keyboard |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181211 |
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| WD01 | Invention patent application deemed withdrawn after publication |