CN101882003B - touch keyboard - Google Patents

Abstract

A touch keyboard comprises a solar cell, a touch panel and a power converter. The solar cell is provided with a light receiving surface, the touch panel is positioned above the light receiving surface of the solar cell, and the solar cell is suitable for receiving light rays passing through the touch panel and converting the received light rays into electric power. In addition, the power converter is electrically connected with the solar cell and the touch panel, wherein the power converter receives the electric power output from the solar cell and outputs the electric power to the touch panel after converting the electric power. The touch keyboard of the invention is provided with a built-in solar cell and a power converter, so that the touch keyboard of the invention has a self-charging function to provide electric power required by the touch keyboard during operation. The touch keyboard of the invention utilizes solar energy to supply the electric power required by the touch keyboard during operation, thereby achieving the purpose of energy saving.

Description

touch keyboard

technical field

The present invention relates to a keyboard, and in particular to a touch-sensing keyboard with self-charging function.

Background technique

The computer industry is developing vigorously, and the mouse and keyboard matched with the computer have become the human-machine interface widely accepted by the public. Most of the mice and keyboards currently on the market need to be connected to the host computer through cables of specific specifications, and the cables connected to the host computer can transmit the signals generated by the mouse and keyboard to the host computer. The power required for operation must also be delivered by connecting wires. It can be seen that the power of the general traditional mouse and keyboard all comes from the host computer, and the power is obtained through the connecting wire. With the progress of science and technology, products such as wireless mouse and wireless keyboard have come out. These products themselves need to install batteries to provide the power required for operation. However, after using a wireless mouse and wireless keyboard for a period of time, users must replace them regularly. The battery still causes confusion for the user.

Contents of the invention

In order to overcome the above-mentioned defects in the prior art, the present invention provides a touch keyboard with a self-charging function.

The invention provides a touch keyboard, which includes a solar cell, a touch panel and a power converter. The solar cell has a light receiving surface, and the touch panel is located above the light receiving surface of the solar cell, wherein the solar cell is suitable for receiving light passing through the touch panel and converting the received light into electricity. In addition, the power converter is electrically connected with the solar battery and the touch panel, wherein the power converter receives the power output from the solar battery, converts the power and outputs it to the touch panel.

In an embodiment of the present invention, the aforementioned solar cell includes a monocrystalline silicon solar cell, an amorphous silicon solar cell, a polycrystalline silicon solar cell or a GaAs solar cell.

In an embodiment of the present invention, the aforementioned solar cell includes a flexible thin film solar cell. In addition, the aforementioned flexible thin film solar cells are, for example, CdS thin film solar cells, CdTe thin film solar cells, CuInSe ₂ thin film solar cells, dye-type (dyesensitized) thin film solar cells or organic thin film solar cells.

In one embodiment of the present invention, the aforementioned solar cell includes a back electrode layer (back electrode layer), a front electrode layer (front electrode layer) and a photoelectric conversion layer, wherein the front electrode layer is located above the back electrode, and the front electrode layer The layer is located between the back electrode layer and the touch panel, and the photoelectric conversion layer is located between the back electrode layer and the front electrode layer to convert light into electricity.

In an embodiment of the present invention, the aforementioned front electrode layer and back electrode layer are transparent electrode layers.

In an embodiment of the present invention, the aforementioned front electrode layer is a transparent electrode layer, and the back electrode layer is a reflective electrode layer.

In an embodiment of the present invention, the aforementioned touch panel includes a resistive touch panel, a capacitive touch panel, an optical touch panel or a surface acoustic wave touch panel.

In an embodiment of the present invention, the aforementioned touch keyboard may further include a keyboard signal transmission interface, and the keyboard signal transmission interface is electrically connected to the touch panel. Based on the above, the aforementioned keyboard signal transmission interface is, for example, a signal transmission line or a wireless signal transmission module.

In an embodiment of the present invention, the aforementioned touch keyboard may further include a transparent electromagnetic wave shielding layer, and the transparent electromagnetic wave shielding layer is disposed between the solar cell and the touch panel.

Based on the above, since the touch keyboard of the present invention has a built-in solar battery and a power converter, the touch keyboard of the present invention has a self-charging function to provide the power required for the operation of the touch keyboard. The touch keyboard of the present invention uses solar energy to supply the power required by the touch keyboard during operation, thereby achieving the purpose of energy saving.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Description of drawings

FIG. 1 is a schematic diagram of a touch keyboard of the present invention.

FIG. 2 is a schematic diagram of a touch keyboard according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of a touch keyboard according to another embodiment of the present invention.

Wherein, the reference signs are explained as follows:

100: Touch keyboard

110: solar cell

110a: light receiving surface

120: Touch panel

130: power converter

132: Charging control unit

134: Power conversion unit

136: Power storage unit

140: keyboard signal transmission interface

L: light

SUB, SUB': Substrate

OC1, OC2: dielectric layer

G: Adhesive layer

Detailed ways

FIG. 1 is a schematic diagram of a touch keyboard of the present invention. Please refer to FIG. 1 , the touch keyboard 100 of this embodiment includes a solar cell 110 , a touch panel 120 and a power converter 130 . The solar cell 110 has a light-receiving surface 110a, and the touch panel 120 is located above the light-receiving surface 110a of the solar cell 110, wherein the solar cell 110 is suitable for receiving light L passing through the touch panel 120, and converting the received light L into electricity. In addition, the power converter 130 is electrically connected to the solar battery 110 and the touch panel 120 , wherein the power converter 130 receives the power output from the solar battery 110 , converts the power and outputs it to the touch panel 120 .

In this embodiment, the solar cell 110 is, for example, a monocrystalline silicon solar cell, an amorphous silicon solar cell, a polycrystalline silicon solar cell, a GaAs solar cell, or a solar cell made of other materials. Besides, the solar cell 110 can also be a flexible thin film solar cell. For example, the aforementioned flexible thin film solar cells are made of CdS thin film solar cells, CdTe thin film solar cells, _CuInSe2 thin film solar cells, dye sensitized thin film solar cells, organic thin film solar cells, or other materials. thin film solar cells.

It is worth noting that in this embodiment, key patterns of the keyboard can be pre-made on the touch panel 120 by printing or etching, so that the user can identify the meanings represented by each touch area. Of course, in this embodiment, optical projection can also be used to project the key pattern of the keyboard on the touch panel 120 , so that the user can recognize the meaning represented by each touch area. In order to enable the touch panel 120 to transmit signals to the host computer, the touch keyboard 100 of this embodiment may further include a keyboard signal transmission interface 140, and the keyboard signal transmission interface 140 is electrically connected to the touch panel 120 to serve as a touch The communication interface between the control panel 120 and the host computer. Based on the above, the keyboard signal transmission interface 140 is, for example, a signal transmission line or a wireless signal transmission module.

In this embodiment, the touch panel 120 is, for example, a resistive touch panel, a capacitive touch panel, an optical touch panel, a surface acoustic wave touch panel, or other types of touch panels. It is worth noting that the touch panel 120 needs to allow the light L to pass through as much as possible, so that the solar cell 110 can convert a larger amount of light L into electrical energy, so as to supply the electrical energy required for the operation of the touch keyboard 100 . Since users mostly use the touch keyboard 100 in an environment with light, the touch keyboard 100 has a self-charging function, which can effectively save energy consumption.

When both the solar battery 110 and the touch panel are flexible, the touch keyboard 100 of this embodiment becomes a flexible keyboard, and the touch keyboard 100 will bring greater convenience to the user in storage and carrying. convenience.

Please continue to refer to FIG. 1 , the power converter 130 of this embodiment includes a charging control unit 132 , a power conversion unit 134 and a power storage unit 136 . It can be clearly seen from FIG. 1 that the charging control unit 132 is electrically connected to the solar cell 110 to transmit the power generated by the solar cell 110 to the power conversion unit 134, and the power processed by the power conversion unit 134 will be transmitted to the power supply unit 134. stored in the storage unit 136. In this embodiment, the power conversion unit 134 can convert the power generated by the solar cell 110 into power suitable for driving the touch panel 120 (such as a signal with a specific voltage level). When the touch keyboard 100 is not used by the user, the power generated by the solar battery 110 is processed by the power conversion unit 134 and then sent to the power storage unit 136 for storage. Conversely, when the touch keyboard 100 is being used by the user, the power conversion unit 134 can directly use the power generated by the solar battery 110 to supply power to the touch panel 120 . Of course, the power conversion unit 134 can also directly obtain power from the power storage unit 136 to supply power to the touch panel 120 .

When the solar cell 110 converts the light L into electricity, electromagnetic waves are generated, and the electromagnetic waves may affect the operation of other electronic components. For example, the touch panel 120 may be affected by electromagnetic waves generated by the solar cell 110. In order to avoid the above problems, the touch keyboard 100 of this embodiment may further include a transparent electromagnetic wave shielding layer 150. The transparent electromagnetic wave shielding layer 150 is configured between the solar cell 110 and the touch panel 120 . It should be noted that the transparent electromagnetic shielding layer 150 is made of transparent conductive materials, such as indium tin oxide, indium tin oxide, and the like.

FIG. 2 is a schematic diagram of a touch keyboard according to an embodiment of the present invention. Please refer to Fig. 2, the solar cell 110 of the present embodiment comprises a front electrode layer 112, a back electrode layer 114 and a photoelectric conversion layer 116, wherein the front electrode layer 112 is positioned above the back electrode 114, and the front electrode layer 112 is positioned at the back electrode layer 114 and the touch panel 120 , and the photoelectric conversion layer 116 is located between the back electrode layer 114 and the front electrode layer 112 to convert light into electricity. It should be noted that the solar cell 110 shown in FIG. 2 is fabricated on a substrate SUB, and the touch panel 120 is fabricated on the solar cell 110 . In detail, in order to fabricate the touch panel 120 on the solar cell 110, in this embodiment, a dielectric layer OC1 may be formed on the front electrode 112 and the photoelectric conversion layer 116, and then a transparent layer OC1 may be sequentially formed on the dielectric layer OC1. The electromagnetic shielding layer 150 and the dielectric layer OC2. Finally, the touch panel 120 is fabricated on the dielectric layer OC2. Since the touch panel 120 is fabricated on the solar cell 110, the thickness and weight of the touch keyboard in FIG. 2 can be further reduced.

In addition, the front electrode layer 112 and the back electrode layer 114 of this embodiment are, for example, transparent electrode layers. In other feasible embodiments, the front electrode layer 112 is, for example, a transparent electrode layer, and the back electrode layer 114 is, for example, a reflective electrode layer.

FIG. 3 is a schematic diagram of a touch keyboard according to another embodiment of the present invention. Please refer to FIG. 2 and FIG. 3 at the same time. The touch keyboard in FIG. 3 is similar to the touch keyboard in FIG. 2. The main difference is that in the touch keyboard in FIG. substrate SUB'. Specifically, the solar cell 110 is fabricated on the substrate SUB, while the touch panel 120 is fabricated on the substrate SUB′, and the substrate SUB′ with the touch panel 120 is disposed on the solar panel in a bonded manner, for example, through an adhesive layer G. battery 110 on.

Based on the above, since the touch keyboard of the present invention has a built-in solar battery and a power converter, the touch keyboard of the present invention has a self-charging function to provide the power required for the operation of the touch keyboard. The touch keyboard of the present invention uses solar energy to supply the power required by the touch keyboard during operation, thereby achieving the purpose of energy saving.

Although the present invention has been disclosed as above with the embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope defined by the appended claims.

Claims (9)

1. touch control keyboard comprises:

One solar cell has a sensitive surface;

One contact panel is positioned at above this sensitive surface of this solar cell, and wherein this solar cell is suitable for receiving the light that passes this contact panel, and converts light to electric power; And

One power supply changeover device electrically connects with this solar cell and this contact panel, and wherein this power supply changeover device receives from the electric power of this solar cell output, and with exporting this contact panel after the power conversions to,

Wherein, electrode layer, a dorsum electrode layer and a photoelectric conversion layer before this solar cell comprises one wherein should be positioned at this dorsum electrode layer top by preceding electrode layer; And electrode layer is between this dorsum electrode layer and this contact panel before being somebody's turn to do; This photoelectric conversion layer then this dorsum electrode layer and should before between the electrode layer, converting light to electric power, and wherein; Prior to forming one first dielectric layer on this preceding electrode and this photoelectric conversion layer; On this first dielectric layer, form a transparent electromagnetic wave shielding layer and one second dielectric layer afterwards in regular turn, last, on this second dielectric layer, make this contact panel again.

2. touch control keyboard as claimed in claim 1, wherein this solar cell comprises a single crystal silicon solar cell, an amorphous silicon solar cell, a polycrystalline silicon solar cell or GaAs solar cell.

3. touch control keyboard as claimed in claim 1, wherein this solar cell comprises a bendable thin film solar cell.

4. touch control keyboard as claimed in claim 3, wherein this bendable thin film solar cell comprises CdS thin film solar cell, CdTe thin film solar cell, CuInSe ₂Thin film solar cell, dye-type thin film solar cell or organic film solar cell.

5. touch control keyboard as claimed in claim 1, electrode layer and this dorsum electrode layer are transparent electrode layer before wherein being somebody's turn to do.

6. touch control keyboard as claimed in claim 1 should preceding electrode layer be a transparent electrode layer wherein, and this dorsum electrode layer be a reflection electrode layer.

7. touch control keyboard as claimed in claim 1, wherein this contact panel comprises an electric resistance touch-control panel, a capacitance type touch-control panel, an optical touch control panel or a surface acoustic wave type contact panel.

8. touch control keyboard as claimed in claim 1 also comprises a keyboard signal transmission interface, electrically connects with this contact panel.

9. touch control keyboard as claimed in claim 8, wherein this keyboard signal transmission interface comprises a signal transmssion line or a wireless signal transmission module.

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