CN201758091U - Luminous keyboard - Google Patents
Luminous keyboard Download PDFInfo
- Publication number
- CN201758091U CN201758091U CN201020262187XU CN201020262187U CN201758091U CN 201758091 U CN201758091 U CN 201758091U CN 201020262187X U CN201020262187X U CN 201020262187XU CN 201020262187 U CN201020262187 U CN 201020262187U CN 201758091 U CN201758091 U CN 201758091U
- Authority
- CN
- China
- Prior art keywords
- illuminated keyboard
- storage tank
- depressed part
- curved surface
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000994 depressogenic effect Effects 0.000 claims description 41
- 238000003860 storage Methods 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 240000000233 Melia azedarach Species 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000005286 illumination Methods 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Input From Keyboards Or The Like (AREA)
Abstract
A luminous keyboard comprises an outer casing, a keyboard and a luminous portion. The keyboard and the luminous portion are arranged in the outer casing, the luminous portion comprises at least one containing groove and a luminous element arranged in the containing groove, at least one first recess and at least one second recess are arranged at the peripheral edge of the containing groove, a first curved surface and a second curved surface are respectively formed on inner walls of the first recess and the second recess, the luminous element generates a light source emitting light to the first recess and the second recess, and the light source is transmitted to concave directions of the first recess and the second recess after passing through the first curved surface and the second curved surface, so that the advancing direction of the light source in the luminous portion can be controlled more effectively.
Description
Technical field
The utility model relates to a kind of illuminated keyboard, relates in particular to a kind of illuminated keyboard that can effectively utilize light source to produce brightness of illumination.
Background technology
For satisfying different consumption demands, the existing on the market at present various keyboards that possess illumination effect, so that the user under the environment of luminance shortage, still can know position and the character symbols of distinguishing each button, and unlikely take place wrongly pressed button and caused the situation of instruction input error.
The known luminescence keyboard discloses as No. 7,357,523, U.S. patent of invention US, and illuminated keyboard comprises keypad portion and back lighting device, and this keypad portion has a plurality of buttons and a base plate, this button be arranged on this base plate and relatively this base plate move up and down.This back lighting device then is arranged at this keypad portion below, this back lighting device comprises a light guide plate, a reflecting plate and a light source, this reflecting plate is arranged at this light guide plate below, this light guide plate then has a plurality of through holes, this light source then is positioned in this through hole, therefore, this light source can provide this keypad portion required light.
In addition, as TaiWan, China utility model patent M321551 number, illuminated keyboard comprises a circuit board, a keyboard, a light guide plate, a plurality of light-emitting diode and a reflecting piece, and wherein this circuit board, this keyboard and this light guide plate are all made by the material with light transmission.One table side of this circuit board is provided with a plurality of shell fragments, and this keyboard then is covered on the side that this circuit board has this shell fragment, and this keyboard is provided with a plurality of buttons that correspond to the shell fragment of this circuit board respectively.This light guide plate then is covered on another table side of this circuit board, and this light guide plate surface is provided with a plurality of sets of vias corresponding to this button, and is provided with a plurality of storage tanks between each sets of vias, to be installed with this light-emitting diode.In addition, this reflecting piece then is attached at another table side of light guide plate, thus the light that this light-emitting diode sent is upwards reflexed to this button.
Wherein, in aforementioned light guide plate, should have four sidewalls that are perpendicular to one another respectively by being rectangle, this sidewall enters the incidence surface of this light guide plate as this light source.Yet on reality was used, because this light source also can't make this light source transmit in this light guide plate effectively through the refraction behavior that this sidewall produced, promptly this light source was not to refract to fully to desire to make this keycap to produce the zone of brightness in this light guide plate.Therefore under this kind framework, can produce the brightness that is equal to respectively, must shorten the distance between this through hole as far as possible, that is, must increase the use amount of this luminous element accordingly, therefore will cause the increase of production cost for making this button.
The utility model content
Main purpose of the present utility model is to solve in the known luminescence keyboard, produces brightness must be provided with a large amount of light-emitting components in light guide plate problem for making each keycap.
For reaching above-mentioned purpose, the utility model provides a kind of illuminated keyboard, it is characterized in that, this illuminated keyboard includes a shell body and a keypad portion, and this shell body has an opening for this keypad portion setting; An and illuminating part, be arranged in this shell body, this illuminating part includes at least one storage tank and the light-emitting component of being located in this storage tank, the periphery of this storage tank is provided with at least one first depressed part and at least one second depressed part that is communicated with this storage tank, the inwall of this first depressed part and this second depressed part is formed with the first surface and second curved surface respectively, this light-emitting component produces a light source that is dissipated into this first depressed part and this second depressed part, makes this light source be penetrated this first surface and this second curved surface and conducts to be projected to this keypad portion in this illuminating part.
Therefore, because this light source this first surface of process and this second curved surface conduct major part ground after producing refraction towards the direction of the indent of this first depressed part and this second depressed part, therefore the utility model is with respect to the beneficial effect that known technology reaches, this light source more effectively can be utilized, therefore will significantly reduce the quantity of this light-emitting component, reduce production costs.
Description of drawings
Fig. 1 is the part-structure decomposing schematic representation of the utility model illuminated keyboard first embodiment.
Fig. 2 is the part-structure decomposing schematic representation of the utility model illuminated keyboard second embodiment.
Fig. 3 is the vertical view of this storage tank first form in the utility model illuminated keyboard.
Fig. 4 is the vertical view of this storage tank second form in the utility model illuminated keyboard.
Fig. 5 is the vertical view of this storage tank the 3rd form in the utility model illuminated keyboard.
Fig. 6 is the vertical view of this storage tank the 4th form in the utility model illuminated keyboard.
Fig. 7 is the schematic diagram that this light source conducts in this light guide section in the utility model illuminated keyboard.
Embodiment
Relevant detailed description of the present utility model and technology contents now just cooperate graphic being described as follows:
With reference to Fig. 1, part-structure decomposing schematic representation for the utility model illuminated keyboard first embodiment, the utility model illuminated keyboard comprises a shell body 10, a keypad portion 20 and an illuminating part 30, this shell body 10 is made of a top cover 11 and a bottom 12 assemblings mutually, wherein this top cover 11 is provided with an opening 13 that supplies this keypad portion 20 to be installed with, and this illuminating part 30 is arranged in this shell body 10.
This keypad portion 20 comprises a plurality of pressing pieces 21 and the substrate 22 in order to carry this pressing piece 21, this pressing piece 21 is arranged in this opening 13, wherein, this pressing piece 21 comprises a keycap 211, and is arranged in interlinked mechanism 212 and between this keycap 211 and this substrate 22 and is located at elastomer 213 in this interlinked mechanism 212, this elastomer 213 offers this keycap 211 1 restoring forces, makes this keycap 211 be able to relatively this substrate 22 and carries out one and move back and forth.In addition, this substrate 22 comprises a supporting bracket 221 and and triggered by this keycap 211 and the circuit board 222 that produces command signal.Wherein, this supporting bracket 221 is coupled to this interlinked mechanism 212, and this circuit board 222 then has the contactor 223 that a plurality of positions corresponding to this keycap 211 are provided with, and makes this circuit board 222 produce command signal in the triggering that is subjected to this keycap 211.
In the utility model, this illuminating part 30 can be located at any position in this shell body 10, for example shown in Figure 1, in first embodiment of the present utility model, this circuit board 222 is arranged at this supporting bracket 221 tops, 30 of this illuminating parts are located between this keycap 211 and this circuit board 222, and as shown in Figure 2, be the part-structure decomposing schematic representation among second embodiment of illuminated keyboard in the utility model, this circuit board 222 also can be arranged at this supporting bracket 221 belows, and these circuit board 222 belows are provided with a base plate 224 in addition, and 30 of this illuminating parts are arranged between this keycap 211 and this supporting bracket 221.Except that above set-up mode, in first embodiment of the utility model illuminated keyboard, this illuminating part 30 also can be arranged between this supporting bracket 221 and this circuit board 222 or between this supporting bracket 221 and this bottom 12; And in second embodiment of the utility model illuminated keyboard, this illuminating part 30 also can be arranged between this supporting bracket 221 and this circuit board 222, between this base plate 224 and this circuit board 222 or between this base plate 224 and this bottom 12.
The material of this illuminating part 30 can make and be configured as a sheet material shape by polymethyl methacrylate (Poly (methylmethacrylate)) material, acrylonitrile-butadiene-styrene copolymer (Acrylonitrilebutadiene styrene), polymethyl methacrylate (Poly (methyl methacrylate)), Merlon (Polycarbonate) material or other optical material.In first embodiment of the present utility model and second embodiment, this illuminating part 30 is located between this keycap 211 and this circuit board 222, and between this keycap 211 and this supporting bracket 221, this illuminating part 30 is provided with a plurality of through holes 31 in the position corresponding to this interlinked mechanism 212, this interlinked mechanism 212 can be arranged in wherein.This illuminating part 30 includes at least one storage tank 32a and is located at the interior light-emitting component 33 of this storage tank 32a, and this light-emitting component 33 can produce a light source.
With reference to Fig. 3, vertical view for this storage tank first form in the utility model illuminated keyboard, wherein, the periphery of this storage tank 32a is provided with at least one first depressed part 40 and at least one second depressed part 41,42 that is communicated with this storage tank 32a, and the inwall of this first depressed part 40 and this second depressed part 41,42 is formed with the first surface 401 and second curved surface 411,421 respectively.In this storage tank 32a, this second depressed part 41,42 is arranged at the both sides of this first depressed part 40 respectively as symmetry axis with dotted line in scheming, this first surface 401 all is a semicircular arc with this second curved surface 411,421, yet the radius of curvature of this first surface 401 is greater than this second curved surface 411,421, and this second curved surface 411,421 has identical radius of curvature.In addition, this light-emitting component 33 is made up of a pedestal 331 and at least one light-emitting diode 332, and a side of this pedestal 331 is fixed in the bottom of this light-emitting diode 332.In addition, as shown in Figure 4, be the vertical view of this storage tank second aspect in the utility model illuminated keyboard, wherein the quantity of this first depressed part 40,43 is two in this storage tank 32b, and this first depressed part 43 is arranged on the side with respect to this first depressed part 40 of this storage tank 32b.And this second depressed part 41,42 also is arranged at the both sides of this first depressed part 40 respectively as symmetry axis with dotted line in scheming, slightly move towards the direction of these first depressed part, 40 indents on the summit of this second curved surface 411,421, and this second curved surface 411,421 is the semiellipse arc, in addition, this first surface 401,431 has different radius of curvature respectively.
With reference to Fig. 5, be the vertical view of this storage tank the 3rd form in the utility model illuminated keyboard, among this storage tank 32c, this first depressed part 40,43 is arranged at the both sides of this second depressed part 41,42 respectively as symmetry axis with dotted line in scheming.This first surface 401,431 and this second curved surface 411,421 all are semicircular arc, and this first surface 401,431 all has identical radius of curvature with this second curved surface 411,421.In this light-emitting component 33, except that these pedestal 331 1 sides are provided with this light-emitting diode 332, its opposite side also is provided with light-emitting diode 333.As for Fig. 6, vertical view for this storage tank the 4th form in the utility model illuminated keyboard, with respect to Fig. 4, among this storage tank 32d except that this second depressed part 41,42, other is provided with two second depressed parts 44,45, it forms second curved surface 441,451 respectively at inwall, and this first surface 401,431 of this first depressed part 40,43 has identical radius of curvature, and this structure as the axis of symmetry is symmetrical arranged resultant with this second depressed part 41,42 with the dotted line among Fig. 6 for this first depressed part 40 among Fig. 4.In addition, the surface of these pedestal 331 both sides is respectively equipped with light-emitting diode 332,333.In the form of above this light guide section 30, this first depressed part 40,43 and this second depressed part 41,42,44,45 will directly be dispersed or reflex to these light-emitting diode 332,333 light sources that sent, and then penetrate this first surface 401,431 and this second curved surface 411,421,441,451 and transmit in this light guide section 30.Except that above-mentioned form, also can make corresponding change to the shape and the quantity of this first depressed part 40,43 and this second depressed part 41,42,44,45 according to the actual design demand.
In the utility model, this illuminating part 30 can mix the multi-form of above storage tank 32a, 32b, 32c, 32d is set.For example shown in Figure 7, be the schematic diagram of this light source in the utility model illuminated keyboard in this light guide section conduction, wherein the fringe region of this illuminating part 30 uses the form of storage tank 32a as shown in Figure 3; The zone is then mixed and is used as Fig. 3 and storage tank 32a shown in Figure 5, the form of 32c in the middle of it.As shown in Figure 7, this light source is with the direction conduction of major part ground towards this first depressed part 40,43 and this second depressed part 41,42 indents, carry out vertically and horizontal transmission in the zone that therefore this through hole 31 will be set in this illuminating part 30, thereby make this keycap 211 produce brightness of illuminations.
In sum, the utility model illuminated keyboard mainly is that this first depressed part and this second depressed part are set in this storage tank, the refraction that utilizes this light source this first surface of process and this second curved surface to be produced, make this light source transmit, and this light source is done more efficient use towards the direction of this first depressed part and this second depressed part indent.Therefore the usage quantity of this light-emitting component can significantly reduce in the utility model illuminated keyboard, can make each keycap have uniform brightness of illumination, thereby can reduce the manufacturing cost of illuminated keyboard.
Below the utility model is elaborated, yet above said content only is preferred embodiment of the present utility model, and the scope of non-limiting the utility model enforcement.Be that all equalizations of doing according to the utility model claim change and modify etc., all should still belong in the patent covering scope of the present utility model.
Claims (15)
1. an illuminated keyboard is characterized in that, described illuminated keyboard comprises:
One shell body (10) and a keypad portion (20), described shell body (10) have an opening (13) for described keypad portion (20) setting; And
One illuminating part (30), be arranged in the described shell body (10), described illuminating part (30) comprises at least one storage tank (32a, 32b, 32c, 32d) be located at described storage tank (32a with one, 32b, 32c, 32d) Nei light-emitting component (33), described storage tank (32a, 32b, 32c, periphery 32d) is provided with and described storage tank (32a, 32b, 32c, 32d) at least one of Lian Tonging first depressed part (40,43) and at least one second depressed part (41,42,44,45), described first depressed part (40,43) with described second depressed part (41,42,44,45) inwall is formed with first surface (401 respectively, 431) with second curved surface (411,421,441,451).
2. according to the described illuminated keyboard of claim 1, it is characterized in that described keypad portion (20) comprises a plurality of pressing piece (21) of described opening (13) and substrates (22) of the described pressing piece of carrying (21) of being arranged in.
3. according to the described illuminated keyboard of claim 2, it is characterized in that described pressing piece (21) comprises that a keycap (211), is arranged in interlinked mechanism (212) and between described keycap (211) and the described substrate (22) and is located at elastomer (213) in the described interlinked mechanism (212).
4. according to the described illuminated keyboard of claim 3, it is characterized in that described substrate (22) comprises a supporting bracket (221) and a circuit board (222) that is coupled to described interlinked mechanism (212).
5. according to the described illuminated keyboard of claim 4, it is characterized in that described circuit board (222) is arranged at described supporting bracket (221) top.
6. according to the described illuminated keyboard of claim 4, it is characterized in that described circuit board (222) is arranged at described supporting bracket (221) below, and described circuit board (222) below is provided with a base plate (224).
7. according to the described illuminated keyboard of claim 1, it is characterized in that described light-emitting component (33) comprises a pedestal (331) and at least one light-emitting diode (332,333) that is installed in described pedestal (331).
8. according to the described illuminated keyboard of claim 2, it is characterized in that described illuminating part (30) is provided with a plurality of through holes corresponding to described pressing piece (21) (31).
9. according to the described illuminated keyboard of claim 4, it is characterized in that described illuminating part (30) is located between described keycap (211) and the described circuit board (222).
10. according to the described illuminated keyboard of claim 5, it is characterized in that described illuminating part (30) is located between described keycap (211) and the described supporting bracket (221).
11. described according to Claim 8 illuminated keyboard is characterized in that, described storage tank (32a, 32b, 32c, 32d) is arranged between the adjacent described through hole (31).
12., it is characterized in that described first surface (401,431) has different radius of curvature with described second curved surface (411,421,441,451) according to the described illuminated keyboard of claim 1.
13., it is characterized in that described first surface (401,431) has identical radius of curvature with described second curved surface (411,421,441,451) according to the described illuminated keyboard of claim 1.
14., it is characterized in that described first surface (401,431) is a semicircular arc according to the described illuminated keyboard of claim 1.
15., it is characterized in that described second curved surface (411,421,441,451) is half ellipse arc according to the described illuminated keyboard of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020262187XU CN201758091U (en) | 2010-07-13 | 2010-07-13 | Luminous keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020262187XU CN201758091U (en) | 2010-07-13 | 2010-07-13 | Luminous keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201758091U true CN201758091U (en) | 2011-03-09 |
Family
ID=43645381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020262187XU Expired - Fee Related CN201758091U (en) | 2010-07-13 | 2010-07-13 | Luminous keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201758091U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230194768A1 (en) * | 2021-12-20 | 2023-06-22 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
| US11977250B2 (en) | 2022-03-31 | 2024-05-07 | Darfon Electronics Corp. | Lighting keyboard, backlight module and lighting substrate |
| US12019261B2 (en) | 2021-08-25 | 2024-06-25 | Darfon Electronics Corp. | Illuminant circuit board, backlight module and lighting keyboard |
-
2010
- 2010-07-13 CN CN201020262187XU patent/CN201758091U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12019261B2 (en) | 2021-08-25 | 2024-06-25 | Darfon Electronics Corp. | Illuminant circuit board, backlight module and lighting keyboard |
| US20230194768A1 (en) * | 2021-12-20 | 2023-06-22 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
| US11762142B2 (en) * | 2021-12-20 | 2023-09-19 | Darfon Electronics Corp. | Backlight module and lighting keyboard |
| US11977250B2 (en) | 2022-03-31 | 2024-05-07 | Darfon Electronics Corp. | Lighting keyboard, backlight module and lighting substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20130713 |