TWI587341B - Luminous Keyboard - Google Patents

Description

Illuminated keyboard

The invention relates to an illuminated keyboard.

The traditional keyboard is only a simple input device. As the computer usage rate increases, the traditional keyboard has gradually failed to meet the needs of consumers. Therefore, the operator further develops a keyboard with a light source, so that in a poor light environment, the user can still recognize the character or function of the keycap, such as the illuminated keyboard disclosed in TWI508119.

However, in such a light-emitting keyboard, most of the light-emitting diodes are used, and it can be understood that the light-emitting diode is a light-emitting element with high luminous efficiency, and the light is more likely to be glaring when the light is directly directed to the eye. There is discomfort. Therefore, most of them use the backlight module to use, but in this way, the surface of the keycap cannot be clearly seen, or the keyboard or the keycap itself needs to adopt a more complicated structure to guide light and soften the light, resulting in The processing is complicated and the cost is increased, and there are drawbacks that need to be improved.

Therefore, it is necessary to provide a novel and progressive illuminated keyboard to solve the above problems.

The main object of the present invention is to provide an illuminated keyboard capable of directly illuminating the key cap so that the user can clearly view it without causing discomfort to the eyes such as glare. Moreover, the light-emitting module is externally combined with the keyboard module, and can be combined/separated as needed. In addition, in the production process, it is not necessary to perform complicated light guiding, softening and other optical path design or processing on the keyboard, which can reduce the production difficulty and reduce the complexity of the keyboard structure.

To achieve the above objective, the present invention provides an illuminated keyboard comprising a keyboard module and a lighting module. The keyboard module is provided with a cover body, a body, a circuit substrate, a first electrical transmission portion and a plurality of key caps. The cover body is disposed on the base body and defines an internal space with the base body. The circuit The substrate is electrically connected to a first power source and is disposed in the internal space, the first electrical transmission portion is electrically connected to a second power source, and each of the key caps is reciprocally movable to the cover body, and The key caps are adapted to externally press the movement to actuate portions of the circuit substrate. The light emitting module includes a casing, a substrate, a boosting circuit and a plasma tube. The casing is provided with a light transmissive portion. The boosting circuit is disposed on the substrate, and the boosting circuit includes at least one conductive circuit. And a plurality of electronic components electrically connected to the at least one conductive line, the at least one conductive line comprising a power input portion and two power output portions, the power input portion forming a second electrical transmission portion, the first The second electrical transmission portion is electrically connected to the first electrical transmission portion. The plasma tube is provided with an illumination body and two electrodes disposed on the illumination body. At least part of the illumination body corresponds to the In the light transmitting portion, the two electrodes are electrically connected to the two power output portions.

To achieve the above object, the present invention further provides an illuminated keyboard, comprising a keyboard module and a lighting module. The keyboard module is provided with a cover body, a body, a circuit substrate, a plurality of key caps and a light-emitting component. The cover body is disposed on the base body and defines an internal space with the base body. The first power source is electrically connected to the internal space, and each of the key caps is reciprocally movable to the cover body, and the key caps are configured to externally press and move to activate a portion of the circuit substrate. The component is disposed in the internal space and is provided with a substrate and a boosting circuit. The boosting circuit is disposed on the substrate. The boosting circuit includes at least one conductive circuit and a plurality of electronic components, and the electronic component and the at least one conductive circuit Electrically connected, the at least one conductive line includes a power input portion and two power output portions, the power input portion is electrically connected to a second power source, and the two power output portions form a first electrical transmission portion; The illuminating module includes a housing and a plasma tube. The housing is provided with a light transmissive portion. The plasma tube is provided with an illuminating body and two electrodes disposed on the illuminating body. At least part of the illuminating body corresponds to This can Light portion, the second electrode is electrically connected to a second electrical transmission portion, the second electrical transmission portion detachably connected electrically to the first electrical transmission phase portion.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIG. 1 to FIG. 7 , a first embodiment of the present invention is shown. The illuminated keyboard of the present invention comprises a keyboard module 1 and a lighting module 2 .

The keyboard module 1 is provided with a cover body 11 , a body 12 , a circuit board 13 , a first electrical transmission portion 81 , and a plurality of key caps 14 . The cover body 11 is disposed on the base body 12 and is coupled to the base body 12 . An internal space 15 is defined. The circuit board 13 is electrically connected to a first power source and is disposed in the internal space 15. The first electrical transmission unit 81 is electrically connected to a second power source. The cap 14 is reciprocally actuated to the cover body 11, and the key caps 14 are adapted to externally press the movement to actuate portions of the circuit substrate 13.

The illuminating module 2 includes a housing 21, a substrate 23, a boosting circuit 3, and a plasma tube 7. The housing 21 is provided with a light transmissive portion 24, and the boosting circuit 3 is disposed on the substrate 23. The boosting circuit 3 includes at least one conductive line and a plurality of electronic components 33. The electronic components 33 are electrically connected to the at least one conductive line. The at least one conductive line includes a power input portion 31 and two power output portions 32. The power input portion 31 is formed with a second electrical transmission portion 82. The second electrical transmission portion 82 is detachably electrically connected to the first electrical transmission portion 81. The plasma tube 7 is provided with a light-emitting body 71 and The electrode 72 of the light-emitting body 71 is disposed at least in part corresponding to the light-transmitting portion 24, and the two electrodes 72 are electrically connected to the two power output portions 32, respectively. The two electrodes 72 are disposed at opposite ends of the illuminating body 71. The illuminating body 71 and the two electrodes 72 are coaxially disposed. Each of the electrodes 72 includes a hollow electrode cap inside the illuminating body 71. 721, the two-electrode cap tube 721 is substantially coaxially disposed.

The light of the light-emitting module 2 can directly illuminate the surface of the keycaps 14, so that the user can view the keycaps 14 in a dim environment, and is less glare, which is very convenient. The light-emitting module 2 is electrically connected to the keyboard module 1 by using an external connection, which facilitates the use of the light-emitting module 2 to another place. More importantly, the illumination module 2 is externally coupled to the first electrical transmission portion 81 of the keyboard module 1 through the second electrical transmission portion 82, so that the keyboard module 1 does not need to be additionally designed. The configuration, the light guiding, the light transmission and the soft light structure configuration can greatly simplify the structure of the keyboard module 1 and have the functions of cost saving and rapid production.

In the first embodiment, the first and second electrical transmission portions 81, 82 are respectively connected by a USB interface, and thus can be widely used for a keyboard involving a USB interface, and can be plug and play. In addition, the user can replace the light-emitting module 2 with different colors as needed, and can have multiple color changes; and when one of the keyboard module 1 and the light-emitting module 2 is damaged, At the same time, the other is still sustainable, and it is not necessary to replace the entire illuminated keyboard, which is environmentally friendly and cost-effective. Specifically, the first and second power sources may be the same power source. For example, but not limited to, the circuit board 13 is electrically connected to the first electrical transmission unit 81, and the second electrical transmission is The portion 82 is electrically connected to the first electrical transmission portion 81 such that the first power source supplies power to the light emitting module 2 via the circuit substrate 13. Of course, in other embodiments, the first and second power sources may also be independent power sources.

The circuit structure of the light-emitting module 2 is further described. The conductive circuit is embedded in the substrate 23, and the substrate 23 and the conductive lines form a printed circuit board. Of course, the conductive lines can also be formed in other forms. On the substrate 23. The booster circuit 3 converts the low-voltage direct current input from the power input unit 31 into high-voltage alternating current, and supplies the same to the plasma tube 7 via the two power supply output units 32. Of course, the booster circuit 3 can also convert the low voltage direct current into a high voltage pulsed direct current.

In more detail, the lighting module 2 further includes a processing unit 4 disposed on the substrate 23. The processing unit 4 includes a frequency conversion circuit 41 electrically connected to the power input portion 31 and the boosting circuit 3. The circuit 41 is configured to convert an input power source having a first frequency input by the power input unit 31 into at least one output power source having a second frequency and an output power source having a third frequency, and transmitting in a preset sequence. Up to the boosting circuit 3, the first and second frequencies are different, and the second and third frequencies are different, whereby the plasma tube 7 is generated according to the power source of the different frequency input by the boosting circuit 3, thereby generating The undulating wave of light.

In more detail, the plurality of electronic components 33 includes a plurality of passive components 331 and at least one transformer 332. The electrical connection between the plurality of passive components 331 electrically forms a low voltage boost electrically connected to the power input portion 31 and the processing unit 4. The circuit 34 can further boost the power supply provided by the circuit substrate 13, such as 1.5~3.5V to 12~15V. The at least one transformer 332 constitutes a high voltage boosting circuit 35 electrically connected between the low voltage boosting circuit 34 and the two power output ends, and can further convert low voltage power into high voltage power for supply to the plasma tube 7. For example, 12~15V rises to 700~900V.

In addition, the light-emitting module 2 can be additionally provided with a trigger switch 5, which is selectively electrically connected between the power input portion 31 and the plasma tube 7. The trigger switch 5 is used for detecting The displacement of the key caps 14; wherein, when the keycap 14 is pressed down to the predetermined position by the external pressure, the trigger switch 5 turns on the power input portion 31 and the plasma tube 7, and vice versa. The switch 5 does not turn on the power input unit 31 and the plasma tube 7.

It is worth mentioning that when the finger of the human body touches the light-emitting body 71, the light beam located inside the light-emitting body 71 is neutralized by electrons (such as the function of the human body becoming a grounding wire), and part of the light beam is towed to the place. The place of touch, which in turn produces a specific light path. Therefore, in order to retain the characteristic of the plasma tube 7, in the first embodiment, the permeable portion 24 is a consistent hole 241, and the illuminating body 71 is exposed in the through hole 241 and does not protrude from the housing. 21, the through hole 241 is convenient for the user to directly touch the light emitting body 71. The illumination body 71 does not protrude from the design of the housing 21, and can effectively reduce the unintended collision of the illumination body 71 under the premise of illuminating the key caps 14 to protect the illumination body. Structural integrity of 71. It should be noted that, in the opening direction of the through hole 241, the housing 21 preferably completely covers the two electrodes 72 to prevent the human body from touching the electrode 72 and being electrically shocked, and also blocking foreign matter from adhering to each of the electrodes. The electrode 72 causes an adverse effect. For example, the housing 21 can abut the light emitting body 71 in the axial direction of the light emitting body 71. It can be understood that in other embodiments, the light transmissive portion may be a cover plate made of a light transmissive material, or the entire casing may be a transparent material.

Preferably, the light-emitting module 2 further includes at least one protection member 6 , each of the protection members 6 covering at least a portion of the light-emitting body 71 to prevent an object from directly colliding with the light-emitting body 71 and absorbing or dispersing the impact force to further The illuminating body 71 is comprehensively protected. Each of the protection members 6 is preferably made of a transparent material, and has a good light transmission effect. In another preferred embodiment, the housing 21 is further provided with a fixing portion 22 for fixing the plasma tube 7 to prevent the plasma tube 7 from moving relative to the housing 21, thereby reducing the occurrence of collision. In another preferred embodiment, the keyboard module 1 is further provided with a first positioning member 91. The first positioning member 91 is disposed on at least one of the cover body 11 and the base body 12. The second positioning member 92 is disposed in the second positioning member 92 of the housing 21, and the second positioning member 92 is combined with the first positioning member 91 to strengthen the bonding strength between the lighting module 2 and the keyboard module 1. The expected impact breaks off.

In the first embodiment, the light-emitting module 2 is detachably externally connected to one side of the keyboard module 1 and provided with a blank key, so that not only the above-mentioned functional effects but also the user can type. During the process, the housing 21 is placed against the wrist to reduce the burden on the hand during long-term use and reduce fatigue.

Of course, the position of the combination of the light-emitting module 2 and the keyboard module 1 is not limited. For example, as shown in FIG. 8 and FIG. 9 , the light-emitting module 2A is provided with a number in the keyboard module 1A. One side of the key. Alternatively, as shown in the third embodiment of FIG. 10, the light-emitting module 2B is disposed on one side of the keyboard module 1B provided with function keys.

Please return to the first embodiment. It is further explained that since the substrate 23 and the booster circuit 3 have better durability and longer service life than the plasma tube 7, they need to be replaced. Since the probability is low, the substrate 23 and the booster circuit 3 can be combined with the keyboard module 1.

According to the fourth embodiment, the present invention further provides an illuminated keyboard, comprising a keyboard module 1C and a lighting module 2C.

The keyboard module 1C is provided with the cover body 11 , the base body 12 , the circuit board 13 , the plurality of key caps 14 and a light-emitting component A. The cover body 11 is disposed on the base body 12 and is coupled to the base body 12 . The inner space 15 is defined. The circuit board 13 is electrically connected to the first power source and is disposed in the inner space 15. Each of the key caps 14 is reciprocally movable to the cover body 11 and the key caps are The light-emitting component A is disposed in the internal space 15 and is provided with the substrate 23 and the boosting circuit 3, and the boosting circuit 3 is disposed on the substrate. The boosting circuit 3 includes the at least one conductive circuit and the plurality of electronic components 33. The electronic components 33 are electrically connected to the at least one conductive circuit. The at least one conductive circuit includes a power input portion 31A and two power output portions. 32A, the power input portion 31A is electrically connected to a second power source, and the two power output portions 32A form a first electrical transmission portion 81A.

The light-emitting module 2C includes a housing 21A and a plasma tube 7. The housing 21A is provided with a light-transmissive portion 24A. The plasma tube 7 is provided with the light-emitting body 71 and the two are disposed on the light-emitting body 71. The electrode 72, at least a portion of the light-emitting body 71 corresponds to the permeable portion 24A, and the two electrodes 72 are electrically connected to a second electrical transmission portion 82A. The second electrical transmission portion 82A is detachably coupled to the first portion. An electrical transmission portion 81A is electrically connected.

The structural configuration in the fourth embodiment can reduce the cost of the user to purchase the lighting module 2C, increase the willingness to purchase more types of lighting modules 2C, and increase the appearance of more light illumination. It can be understood that the configuration applications in the first to fourth embodiments are not individually limited and can be mutually compatible with each other.

In summary, in the illuminated keyboard of the present invention, the light-emitting module is electrically connected to the keyboard module in a detachable manner, which can simplify the structure of the keyboard module and reduce the production difficulty. Moreover, when one of the light-emitting module and the keyboard module is damaged, only one of them can be replaced, and the entire illuminated keyboard is not required to be replaced.

1,1A, 1B, 1C‧‧‧ keyboard module
11‧‧‧ Cover
12‧‧‧ body
13‧‧‧ circuit substrate
14‧‧‧Key Cap
15‧‧‧Internal space
2,2A, 2B, 2C‧‧‧Lighting Module
21, 21A‧‧‧ shell
22‧‧‧ Fixed Department
23‧‧‧Substrate
24,24A‧‧‧Light transmissive department
241‧‧‧through holes
3‧‧‧Boost circuit
31, 31A‧‧‧Power Input Section
32,32A‧‧‧Power Output Department
33‧‧‧Electronic components
331‧‧‧ Passive components
332‧‧‧Transformers
34‧‧‧Low voltage boost circuit
35‧‧‧High voltage boost circuit
4‧‧‧Processing unit
41‧‧‧Frequency conversion circuit
5‧‧‧ trigger switch
6‧‧‧protection
7‧‧‧Plastic tube
71‧‧‧Lighting body
72‧‧‧ electrodes
721‧‧‧Electroic cap
81,81A‧‧‧First Electrical Transmission Department
82, 82A‧‧‧Second Electrical Transmission Department
91‧‧‧First positioning piece
92‧‧‧Second positioning parts
A‧‧‧Lighting components

1 and 2 are perspective views of a first preferred embodiment of the present invention. 3 and 4 are partial side cross-sectional views of a first preferred embodiment of the present invention. FIG. 5 is an exploded view of a keyboard module according to a first preferred embodiment of the present invention. Figure 6 is a block diagram showing the relationship of a trigger switch in accordance with a first preferred embodiment of the present invention. FIG. 7 is a block diagram showing the relationship of a light emitting module according to a first embodiment of the present invention. 8 and 9 are perspective views of a second preferred embodiment of the present invention. Figure 10 is a perspective view of a third preferred embodiment of the present invention. Figure 11 is a perspective exploded view of a fourth preferred embodiment of the present invention.

1‧‧‧ keyboard module

2‧‧‧Lighting module

32‧‧‧Power Output Department

33‧‧‧Electronic components

331‧‧‧ Passive components

332‧‧‧Transformers

34‧‧‧Low voltage boost circuit

35‧‧‧High voltage boost circuit

4‧‧‧Processing unit

81‧‧‧First Electrical Transmission Department

82‧‧‧Second Electrical Transmission Department

91‧‧‧First positioning piece

92‧‧‧Second positioning parts

Claims (10)

An illuminated keyboard includes: a keyboard module, a cover body, a body, a circuit substrate, a first electrical transmission portion, and a plurality of key caps, the cover body is disposed on the base body and defined with the base body An internal space is provided, the circuit substrate is electrically connected to a first power source and is disposed in the internal space, the first electrical transmission portion is electrically connected to a second power source, and each of the key caps is reciprocally movable Positioned in the cover body, and the key caps are configured to be pressed by the outside to actuate the portion of the circuit substrate; a lighting module includes a housing, a substrate, a booster circuit, and a plasma tube. The booster circuit is disposed on the substrate, and the boosting circuit includes at least one conductive line and a plurality of electronic components electrically connected to the at least one conductive line, the at least one conductive The circuit includes a power input portion and a second power output portion. The power input portion forms a second electrical transmission portion, and the second electrical transmission portion is detachably electrically connected to the first electrical transmission portion. The slurry tube is provided with a luminous body and two To the electrode of the light emitting body, the body is at least partially based emission corresponding to the light-transmissive portion, the two electrodes are connected to the two phase power supply output section. The illuminating keyboard of claim 1, wherein the illuminating module further comprises a processing unit disposed on the substrate, the processing unit comprising an inverter circuit electrically connected to the power input portion and the boosting circuit, the frequency converting circuit The input power source having a first frequency input by the power input portion is converted into at least one output power source having a second frequency and an output power source having a third frequency, and is transmitted to the liter in a preset sequence. In the voltage circuit, the first and second frequencies are different, and the second and third frequencies are different. The illuminating keyboard of claim 1, wherein the permeable portion is a consistent hole, the illuminating body is exposed in the through hole and does not protrude from the housing, and the housing is in the opening direction of the through hole The two electrodes are completely covered. The illuminating keyboard of claim 1, wherein the illuminating module further comprises at least one protecting member, each of the covering members covering at least a portion of the illuminating body. The illuminating keyboard of claim 4, wherein the keyboard module is further provided with a first positioning member, the first positioning member is disposed on at least one of the cover body and the base body, and the lighting module is further provided with a setting The second positioning member is coupled to the first positioning member; the housing is further provided with a fixing portion for fixing the plasma tube; and the lighting module further comprises a a processing unit of the substrate, the processing unit includes a frequency conversion circuit electrically connected to the power input portion and the boosting circuit, wherein the frequency conversion circuit is configured to convert an input power source having a first frequency input from the power input portion into at least An output power source having a second frequency and an output power source having a third frequency are transmitted to the boosting circuit in a predetermined sequence, the first and second frequencies being different, and the second and third frequency phases are different The permeable portion is a uniform hole, the illuminating body is exposed in the through hole and does not protrude from the housing, and the housing completely covers the two electrodes in the opening direction of the through hole; In the axial direction of the illuminating body, the housing and The plurality of passive components and the at least one transformer are electrically connected to form a low voltage boosting circuit electrically connected to the power input portion and the processing unit, the at least one The transformer is configured to be electrically connected to the high voltage boosting circuit between the low voltage boosting circuit and the output end of the two power sources; the light emitting module is further provided with a trigger switch, and the trigger switch is selectively electrically connected to the power source. The trigger switch is configured to detect the displacement of the key caps between the input portion and the plasma tube; wherein the trigger switch turns on the power source when the key cap is pressed downward by a pressure to a predetermined position The input portion and the plasma tube, and the trigger switch does not conduct the power input portion and the plasma tube; the two electrodes are disposed at opposite ends of the light emitting body, and the light emitting body and the two electrodes are coaxially disposed; The electrode includes a hollow electrode cap tube located inside the light emitting body, and the two electrode caps are coaxially disposed; the light emitting module is detachably externally connected to the keyboard module Side of the key blank; the first and second electrical transmission portions of the connector is a USB interface. An illuminated keyboard includes: a keyboard module, a cover body, a body, a circuit substrate, a plurality of keycaps, and a light-emitting component, the cover body is disposed on the base body and defines an internal space with the base body The circuit board is electrically connected to a first power source and disposed in the inner space, and each of the key caps is reciprocally movable to the cover body, and the key caps are externally selected to be pressed against the movement to actuate the a portion of the circuit board, the light-emitting component is disposed in the inner space and is provided with a substrate and a boosting circuit, the boosting circuit is disposed on the substrate, the boosting circuit includes at least one conductive circuit and a plurality of electronic components, and the electronic components The component is electrically connected to the at least one conductive circuit, the at least one conductive circuit includes a power input portion and two power output portions, wherein the power input portion is electrically connected to a second power source, and the two power output portions form a first An illuminating module includes a housing and a plasma tube, the housing is provided with a light transmissive portion, and the plasma tube is provided with an illuminating body and two electrodes disposed on the illuminating body. Illuminate Based at least in part of the body corresponding to the light-transmissive portion, the second electrode is electrically connected to a second electrical transmission portion, the second electrical transmission portion detachably connected electrically to the first electrical transmission phase portion. The illuminating keyboard of claim 6, wherein the illuminating component further comprises a processing unit disposed on the substrate, the processing unit comprising a frequency conversion circuit electrically connected to the power input portion and the boosting circuit, wherein the frequency conversion circuit is used Converting an input power source having a first frequency from the input of the power input unit into at least one output power source having a second frequency and an output power source having a third frequency, and transmitting the boosting power to the boosting sequence in a preset sequence In the circuit, the first and second frequencies are different, and the second and third frequencies are different. The illuminating keyboard of claim 6, wherein the permeable portion is a consistent hole, the illuminating body is exposed in the through hole and does not protrude from the housing, and the housing is in the opening direction of the through hole The two electrodes are completely covered. The illuminating keyboard of claim 6, wherein the illuminating module further comprises at least one protecting member, each of the covering members covering at least a portion of the illuminating body. The illuminating keyboard of claim 9, wherein the keyboard module is further provided with a first positioning member, the first positioning member is disposed on at least one of the cover body and the base body, and the lighting module is further provided with a setting a second positioning member of the housing, the second positioning member is combined with the first positioning member; the housing is further provided with a fixing portion for fixing the plasma tube; the light emitting assembly further comprises a substrate disposed on the substrate The processing unit includes a frequency conversion circuit electrically connected to the power input portion and the boosting circuit, and the frequency conversion circuit is configured to convert an input power source having a first frequency input by the power input portion into at least one An output power source having a second frequency and an output power source having a third frequency are transmitted to the boosting circuit in a predetermined sequence, the first and second frequencies are different, and the second and third frequencies are different The permeable portion is a uniform aperture, the illuminating body is exposed in the through hole and does not protrude from the housing, and in the opening direction of the through hole, the housing completely covers the two electrodes; In the axial direction of the body, the housing is The plurality of passive components and the at least one transformer are electrically connected to form a low voltage boosting circuit electrically connected to the power input portion and the processing unit, the at least one The transformer comprises a high voltage boosting circuit electrically connected between the low voltage boosting circuit and the output of the two power sources; the light emitting component is further provided with a trigger switch, the trigger switch is selectively electrically connected to the power input Between the portion and the plasma tube, the trigger switch is configured to detect the displacement of the key caps; wherein the trigger switch turns on the power input when the key cap is pressed downward by a pressure to a predetermined position And the plasma tube, and the trigger switch does not conduct the power input portion and the plasma tube; the two electrodes are disposed at opposite ends of the light emitting body, and the light emitting body and the two electrodes are coaxially disposed; The electrode includes a hollow electrode cap tube located inside the light emitting body, and the two electrode cap cylinders are coaxially disposed; the first and second electrical transmission portions are respectively connected by a USB interface .