TWI813932B - Optoelectronic packages and keypads - Google Patents

Abstract

The invention is applicable to the technical field of keyboards, and in particular relates to an optoelectronic package and a keyboard. The optoelectronic package includes a light source module, a sensing module and a driving module. The sensing module outputs a trigger signal to a controller according to touch control. The controller According to the trigger signal, the physical address of the optoelectronic package containing the sensing module is determined and the corresponding operation is performed. At the same time, the light source driving signal is output to the driving module of the set optoelectronic package, thereby driving the corresponding light source module to light up. The optoelectronic package The integrated circuit realizes synchronous driving of light sources and buttons without setting up separate driving circuits, simplifying the circuit structure and reducing design costs.

Description

Optoelectronic packages and keyboards

The invention belongs to the technical field of keyboards, and in particular relates to a photoelectric package and a keyboard.

Existing keyboard keys and RGB color controls are controlled by matrix scanning. Wiring is required from the driver IC (Integrated circuit) pins to the optical axis control circuit at the bottom of the keys, and from the driver IC pins to each RGB LED (Light Emitting Diode). The control circuit requires wiring, multiple photoelectric packages and multiple RGB drive circuits, and there are many circuit layouts.

At the same time, the keyboard optoelectronic package and RGB colors need to be controlled separately, which requires multiple driver ICs and is costly.

At the same time, if existing keyboards want to achieve anti-ghosting key functions (anti-ghosting refers to preventing the pressed keyboard keys from outputting erroneous key signals when multiple keys are pressed at the same time), it is necessary to design high-impedance lines in the circuit to Identify the difference value of each button, or connect multiple resistors in series to each matrix control line to achieve anti-ghosting function, the circuit structure is complex.

Therefore, existing keyboards have problems such as high cost and complicated wiring.

The purpose of the present invention is to provide an optoelectronic package and a keyboard, aiming to solve the problems of complex circuits and high cost in traditional optoelectronic packages due to the need for separate control of keyboard keys and RGB lights.

A first aspect of the embodiment of the present invention provides an optoelectronic package. The optoelectronic package is used to electrically connect with the optoelectronic package or controller of the previous stage and to the optoelectronic package of the subsequent stage. The optoelectronic package The package includes an integrated light source module, sensing module and driving module; The driving module is electrically connected to the light source module and the sensing module respectively. The sensing module is used for sensing touch and is electrically connected to the controller through a signal bus. The driving module The group is also used to be electrically connected to the drive module or controller of the previous stage of the optoelectronic package and to be electrically connected to the drive module of the subsequent stage of the optoelectronic package; the drive module is used to: output the control signal to The induction module; receives the light source drive signal output by the controller, and drives the electrically connected light source module to light according to the light source drive signal; the induction module is used to: when sensing When being touched, a trigger signal is output to the controller, so that the controller determines the physical address of the optoelectronic package including the sensing module according to the trigger signal and the transmission time of the trigger signal. Perform corresponding operations, and cause the controller to output the light source driving signal to the driving module of the set optoelectronic package according to the trigger signal.

In one embodiment, the first clock signal terminal of the driving module is used to be electrically connected to the second clock signal terminal of the driving module of the previous stage optoelectronic package or the clock signal terminal of the controller, so The second clock signal terminal of the driving module is used to be electrically connected to the first clock signal terminal of the driving module of the subsequent stage of the optoelectronic package, and the first data signal terminal of the driving module is used to be electrically connected to the previous stage of the driving module. The second data signal terminal of the driving module of the optoelectronic package or the data signal terminal of the controller is electrically connected. The second data signal terminal of the driving module is used to communicate with the driving module of the subsequent stage of the optoelectronic package. The first data signal terminal is electrically connected.

In one embodiment, the power end of the optoelectronic package is used to input power supply through a power bus, and the ground end of the optoelectronic package is used to electrically connect to a common ground through a ground bus.

In one embodiment, the light source module includes at least one light-emitting unit; The anode terminal of the light-emitting unit is electrically connected to the power terminal of the optoelectronic package, and the cathode terminal of the light-emitting unit is electrically connected to the signal terminal of the driving module.

In one embodiment, the feedback signal end of the optoelectronic package is used to be electrically connected to the controller through the signal bus, and the sensing module includes a light emitting unit and a light receiving unit; the light emitting unit The anode end of the light emitting unit is electrically connected to the power end of the optoelectronic package, the cathode end of the light emitting unit is electrically connected to the signal end of the driving module, and the light receiving unit is respectively connected to the optoelectronic package. The feedback signal end, the power end and the ground end are electrically connected; the light emitting unit is used to emit light according to the control signal output by the driving module; the light receiving unit is used to generate light in the optoelectronic package When being touched, the reflected light is received and the trigger signal is sent to the controller.

In one embodiment, the light-receiving unit includes a light-receiving chip and a resistor. The anode end of the light-receiving chip is electrically connected to the power end of the optoelectronic package. The cathode end of the light-receiving chip is electrically connected to the third end of the resistor. One end is electrically connected and the connecting node is electrically connected to the feedback signal end of the optoelectronic package. The second end of the resistor is electrically connected to the ground end of the optoelectronic package.

In one embodiment, the ground end of the optoelectronic package extends to the inside of the optoelectronic package, the driving module and the resistor are fixed on the ground end, and the power end of the optoelectronic package extends Inside the optoelectronic package, the light source module and the light-receiving chip are fixed on the power end.

In one embodiment, the feedback signal end of the optoelectronic package extends to the inside of the optoelectronic package, and the feedback signal end extending to the inside of the optoelectronic package is located between the resistor and the light-receiving chip. between.

In one embodiment, the light-emitting unit and the light-receiving unit are arranged side by side, an opaque partition is provided between the light-receiving unit and the light-emitting unit, and the light-receiving unit and the light-receiving unit are arranged side by side. An opaque enclosure for isolating ambient light is also provided around the emission unit.

A second aspect of the embodiment of the present invention provides a keyboard. The keyboard includes a plurality of key caps, a controller and a plurality of photoelectric packages as described above; the photoelectric package is disposed below the key caps, and the same Each of the optoelectronic packages in the column is cascaded in sequence and electrically connected to the controller.

In the embodiment of the present invention, a light source module, a sensing module and a driving module are used to form an optoelectronic package. The sensing module outputs a trigger signal to the controller based on the touch control. The controller determines the location of the optoelectronic package including the sensing module based on the trigger signal. Physical address and perform corresponding operations, and at the same time output the light source drive signal to the driver module of the set optoelectronic package, thereby driving the corresponding light source module to light up. The optoelectronic package realizes synchronous driving of the light source and the button, without the need to set a separate driver circuit, simplifying the circuit structure and reducing design costs.

100:Controller

200:The first optoelectronic package

210: First drive module

220: First light source module

230: The first induction module

231: First light emitting unit

232: First light receiving unit

233:Key cap

234: The first opaque partition

235: The first opaque hoarding

300: Second optoelectronic package

310: Second drive module

320: Second light source module

330: Second induction module

C: Feedback signal terminal

CLOCK, CLOCK-IN, CLOCK-OUT: clock signal terminal

DATA, DATA-IN, DATA-OUT: data signal terminal

F1: The first infrared light emitter

GND: ground terminal

J1: The first light-receiving chip

P: backup signal terminal

R1: first resistor

VDD: power supply terminal

Figure 1 is a first structural schematic diagram of an optoelectronic package provided by an embodiment of the present invention; Figure 2 is a second structural schematic diagram of an optoelectronic package provided by an embodiment of the present invention; Figure 3 is a schematic diagram of the optoelectronic package provided by an embodiment of the present invention. The third structural schematic diagram; Figure 4 is a schematic structural diagram of the induction module shown in Figure 3; Figure 5 is a schematic structural diagram of the optoelectronic package provided by the embodiment of the present invention; and Figure 6 is the optoelectronic package provided by the embodiment of the present invention. Schematic diagram of the body’s packaging structure.

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It should be understood that the terms "length", "width", "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top", The orientations or positional relationships indicated by "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply the device or device referred to. Elements must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations of the invention.

In addition, the terms “first” and “second” are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present invention, "plural" means two or more than two, unless otherwise expressly and specifically limited.

A first aspect of embodiments of the present invention provides an optoelectronic package.

As shown in Figure 1, Figure 1 is a first structural schematic diagram of an optoelectronic package provided by an embodiment of the present invention. In this embodiment, the optoelectronic package is used to electrically connect with the previous stage optoelectronic package or the controller 100 and It is electrically connected to the next-level optoelectronic package. The optoelectronic package includes an integrated light source module, a sensing module and a driving module; the driving module is electrically connected to the light source module and the sensing module respectively. The sensing module is In order to sense touch and be electrically connected to the controller 100 through the signal bus, the drive module is also used to be electrically connected to the drive module or controller 100 of the previous-level optoelectronic package and to be electrically connected to the subsequent-level optoelectronic package. The drive module is electrically connected; the drive module is used to: output control signals to the induction module; Receive the light source driving signal output by the controller 100, and drive the electrically connected light source module to light according to the light source driving signal; the sensing module is used to: output a trigger signal to the controller 100 when it senses a touch, so as to The controller 100 is caused to determine the physical address of the optoelectronic package including the sensing module and perform corresponding operations according to the trigger signal and the transmission time of the trigger signal, and the controller 100 is caused to output the light source driving signal to the set optoelectronic package according to the trigger signal. driver module.

In this embodiment, when the optoelectronic package is installed in the keyboard and used, it is connected in series and to the controller 100 to realize step-by-step transmission of signals. For example, the first optoelectronic package 200 is connected to the controller 100 and the second optoelectronic package 300 respectively. , the second optoelectronic package 300 is also connected to the third optoelectronic package, and so on. The light source driving signal sent by the controller 100 is sequentially transmitted to at least one designated optoelectronic package through the optoelectronic package. Each optoelectronic package is integrated with an internal The driver module, the induction module and the light source module. The driver module is connected to the induction module and light source module of this stage. At the same time, it is also used to connect the controller 100 or the driver module of the previous stage and the driver module of the subsequent stage. For example, the first driving module 210 in the first optoelectronic package 200 is connected to the first light source module 220 and the first sensing module 230 respectively, and the second driving module 310 in the second optoelectronic package 300 is connected to The second light source module 320 and the second sensing module 330, the first driving module 210 are respectively connected to the controller 100 of the previous stage and the second driving module 310 of the subsequent stage, and each driving module is a respective connected sensing module. Provide control signals to enable the corresponding sensing module to be powered on. Taking the first optoelectronic package 200 as an example, the first driving module 210 provides a control signal to the first sensing module 230. The first sensing module 230 is powered on. And when it is touched, a trigger signal is output to the controller 100. The controller 100 determines the physical address of the touched optoelectronic package by detecting the trigger signal and combining the transmission time between devices. The controller 100 determines the physical address of the touched optoelectronic package according to the first sensing The physical address of the module 230 performs corresponding operations, such as outputting corresponding read and write instructions, return instructions, deletion instructions, etc., and since different sensing modules have different trigger signals and transmission times, through the transmission time and reception The trigger signal can determine which optoelectronic package is Touch control prevents misjudgments when multiple sensing modules are touched at the same time, achieving an anti-ghost button function. There is no need to set up additional high-impedance lines or series resistors, simplifying the circuit structure of the keyboard.

At the same time, the controller 100 that receives the trigger signal also outputs the light source driving signal to the set optoelectronic package. The set optoelectronic package can be any of the first optoelectronic package 200, the second optoelectronic package 300, and other optoelectronic packages. One or more, specifically set according to the lighting requirements and rules, the driving module of at least one optoelectronic package that receives the light source driving signal outputs a dimming signal of a corresponding size to the connected light source module according to the light source driving signal. , thereby controlling the light source module to display the corresponding color of light, achieving a colorful effect at the corresponding position of the keyboard. Other drive modules, light source modules and sensing modules work on the same principle and will not be described in detail here. The drive module is connected to the drive light source at the same time. The module and the sensor module are integrated and configured. There is no need to set up separate drive modules to drive the light source module and the sensor module separately. This simplifies the circuit structure of the keyboard and reduces the design cost of the keyboard.

The drive module can provide operating power from an external power module.

The sensing module can be a light sensing module, such as an infrared light sensing module, and the structure of the sensing module can be set according to requirements.

The light source module can include red LED chips, green LED chips and blue LED chips. The specific structure is selected according to the color rendering requirements of the keyboard.

The driving module can be a driving chip, and the specific structure is not limited.

By using a light source module, a sensing module and a driving module to form an optoelectronic package, the sensing module outputs a trigger signal to the controller 100 based on touch, and the controller 100 determines the physical position of the optoelectronic package including the sensing module based on the trigger signal. Address and perform the corresponding operation, and at the same time output the light source drive signal to the driver module of the set optoelectronic package, thereby driving the corresponding light source module to light up. The optoelectronic package realizes synchronous driving of the light source and the button, without the need to set up a separate drive circuit. The circuit structure is simplified and the design cost is reduced.

As shown in FIG. 2 , in one embodiment, the first clock signal terminal of the driving module is used to electrically communicate with the second clock signal terminal of the driving module of the previous-stage optoelectronic package or the clock signal terminal of the controller 100 . connection, the second clock signal terminal of the driving module is used to be electrically connected to the first clock signal terminal of the driving module of the subsequent stage of the optoelectronic package, and the first data signal terminal of the driving module is used to be electrically connected to the previous stage of the optoelectronic package. The second data signal terminal of the driver module of the package is electrically connected to the data signal terminal of the controller 100. The second data signal terminal of the driver module is used to communicate with the first data terminal of the driver module of the subsequent stage of the optoelectronic package. The signal terminal is electrically connected.

In this embodiment, the driving modules of each optoelectronic package sequentially realize the transmission of data signals and clock signals through a cascaded two-wire transmission mode. The electrical connection is simple and the circuit layout space is reduced.

As shown in FIG. 3 , in one embodiment, the power terminal of the optoelectronic package is used to input power supply through the power bus, and the ground terminal of the optoelectronic package is used to electrically connect to the public ground through the ground bus.

In this embodiment, each optoelectronic package obtains the corresponding operating power by connecting to the power bus, and at the same time, is connected to the common ground by connecting to the ground bus, thereby ensuring reliable operation.

Please continue to refer to Figure 3. In one embodiment, the light source module includes at least one light-emitting unit; the anode end of the light-emitting unit is electrically connected to the power end of the optoelectronic package, and the cathode end of the light-emitting unit is electrically connected to the signal end of the driving module. sexual connection.

In this embodiment, the light-emitting unit is connected to the driving module and the power end of the optoelectronic package. The light-emitting unit displays light of the corresponding color according to the dimming signal output by the driving module. In one embodiment, the light-emitting unit includes R/G/B LED chip, R/G/B LED chip mixes and develops colors according to the received dimming signal, thereby realizing the colorful function of the buttons.

Please continue to refer to Figure 3. In one embodiment, the feedback signal terminal C of the optoelectronic package is used to be electrically connected to the controller 100 through a signal bus. The sensing module includes a light emitting unit and a light receiving unit; The anode terminal of the light-emitting unit is electrically connected to the power terminal VDD of the optoelectronic package, the cathode terminal of the light-emitting unit is electrically connected to the signal terminal of the drive module, and the light-receiving unit is respectively connected to the feedback signal terminal C and the power supply terminal of the optoelectronic package. The terminal VDD and the ground terminal GND are electrically connected; the light emitting unit is used to emit light according to the control signal output by the driving module; the light receiving unit is used to receive the reflected light emitted by the light emitting unit when the optoelectronic package is touched, and Send a trigger signal to the controller 100.

In this embodiment, the feedback signal terminal C of the optoelectronic package is electrically connected to the signal bus and the signal output terminal of the sensing module, that is, it is electrically connected to the light receiving unit, and the trigger signal output by the light receiving unit is passed through the signal bus. The exhaust is fed back to the controller 100. Taking the first sensing module 230 of the first optoelectronic package 200 as an example, the first sensing module 230 includes a first light emitting unit 231 and a first light receiving unit 232. The first light emitting unit One end of 231 is connected to the power supply terminal VDD, and the other end of the first light emitting unit 231 is connected to the first driving module 210. The first driving module 210 outputs a control signal to the first light emitting unit 231 to control the first light emitting unit 231 to light accordingly. And emit light, the first light receiving unit 232 is connected to the power terminal VDD, the ground terminal GND and the feedback signal terminal C respectively. As shown in Figure 5, when the first sensing module 230 is touched, the first light emitting unit 231 emits The light is reflected to the first light receiving unit 232 through the key cap 233 or other mechanical structure, causing the first light receiving unit 232 to send a trigger signal to the controller 100. The controller 100 determines the third light source that sends the trigger signal based on the trigger signal and the transmission time. A physical address of an optoelectronic package 200 corresponds to a driving module that outputs a light source driving signal to the set optoelectronic package, thereby driving the corresponding light-emitting unit to emit light of a corresponding color.

In summary, the optoelectronic package is equipped with a clock signal terminal CLOCK, a data signal terminal DATA, a feedback signal terminal C, a power terminal VDD and a ground terminal GND. The clock signal terminal CLOCK and the data signal terminal DATA of the optoelectronic package are respectively connected with the adjacent control The clock signal terminal CLOCK and the data signal terminal DATA of the device 100 and/or the adjacent optoelectronic package are connected correspondingly, and the data signal and the control signal are transmitted. The feedback signal terminal C and the power terminal VDD of the optoelectronic package are connected accordingly. and the ground terminal GND are connected correspondingly to the feedback signal terminal C, the power terminal VDD and the ground terminal GND of the controller 100 through corresponding bus bars.

The connection methods of other optoelectronic packages are the same and will not be described in detail here.

Through the integrated setting, the external power module only needs to lead out power lines and ground wires, and the controller 100 and/or the front-stage optoelectronic package only needs to lead out signal lines and set feedback lines, which are connected to each optoelectronic package in turn. The circuit structure is simple. The design cost is reduced and the manufacturing process is reduced.

In this embodiment, each optoelectronic package can be disposed under a key cap, and the position status of the key cap is monitored. When the key cap is pressed, the light receiving unit in the optoelectronic package emits a trigger signal. , prompting the driving module of the set optoelectronic package to drive the light source module to emit light of the corresponding color according to the received light source driving signal, so as to achieve the purpose of colorful backlight.

Among them, the keycaps can be mechanically connected to the optoelectronic package, or have no connection relationship, and the specific structure is set according to the needs.

In one embodiment, the light-receiving unit includes a light-receiving chip and a resistor. The anode end of the light-receiving chip is electrically connected to the power terminal VDD of the optoelectronic package. The cathode end of the light-receiving chip is electrically connected to the first end of the resistor. The connection node is with The feedback signal terminal C of the optoelectronic package is electrically connected, and the second end of the resistor is electrically connected to the ground terminal GND of the optoelectronic package.

In this embodiment, the light emitting unit includes an infrared light emitter or an LED lamp, and the light receiving unit includes a light receiving chip and a resistor. As shown in Figure 3, in one embodiment, taking the first sensing module 230 as an example, the first The light emitting unit 231 includes a first infrared light emitter F1. The first light receiving unit 232 includes a first light-receiving chip J1 and a first resistor R1. The first infrared light emitter F1 emits light when the button is pressed. The first light-receiving chip J1 is reflected by the key cap 233 or other mechanical structure. The first light-receiving chip J1 sends a trigger signal to the controller 100 through the connection node. The controller 100 determines the photoelectric package that sends the trigger signal based on the trigger signal and the transmission time. The physical address of the light source drive signal is correspondingly output to the drive module in the set optoelectronic package, thereby driving the corresponding light-emitting unit to emit light of the corresponding color.

As shown in Figures 3 and 4, in one embodiment, the ground terminal GND of the optoelectronic package extends to the inside of the optoelectronic package, the driving module and the resistor are fixed on the ground terminal GND, and the power terminal VDD of the optoelectronic package extends To the inside of the optoelectronic package and adjacent to the ground terminal GND extending to the inside of the optoelectronic package, the light source module and the light-receiving chip are fixed on the power supply terminal VDD. The feedback signal terminal C of the optoelectronic package extends to the inside of the optoelectronic package and is adjacent to the power terminal VDD extending to the inside of the optoelectronic package. The power terminal VDD extending to the inside of the optoelectronic package is located at the ground terminal extending to the inside of the optoelectronic package. Between GND and the feedback signal terminal C, the light source module fixed on the power supply terminal VDD can be located in the middle position inside the optoelectronic package. It is convenient for the light source module to be wired to connect to the driver module, and the light is emitted uniformly around it, and extends to the optoelectronic package. The feedback signal end inside the body is located between the resistor and the light-receiving chip, so that it can be extended to the feedback signal end inside the optoelectronic package to electrically connect the resistor and the light-receiving chip through wiring. Through the positional arrangement of the internal components of the optoelectronic package, the internal space of the optoelectronic package is fully utilized, and the volume of the optoelectronic package is reduced.

In this embodiment, each optoelectronic package includes a clock signal terminal CLOCK-IN/CLOCK-OUT, a data signal terminal DATA-IN/DATA-OUT, a feedback signal terminal C, a power terminal VDD and a ground terminal GND, and is also provided with a backup Signal terminal P, clock signal terminal CLOCK-IN is used to input clock signals, clock signal terminal CLOCK-OUT is used to output clock signals, data signal terminal DATA-IN is used to input data signals, and data signal terminal DATA-OUT is used to output data signal, the feedback signal terminal is used to output the trigger signal.

Taking the first optoelectronic package 200 as an example, the first driving module 210 and the first resistor R1 are fixed on the extension of the ground terminal GND. The first driving module 210 is connected to the clock signal terminal CLOCK-IN/CLOCK- respectively through wires. OUT, data signal terminal DATA-IN/DATA-OUT, power terminal VDD, first infrared light emitter F1 of the first light emission unit 231 and light source module 220. The light source module 220 includes RGB three-color lamps, RGB three-color The lamp is fixed on the extension part of the power terminal, the feedback signal terminal C extends to the inside of the optoelectronic package, the first light-receiving chip J1 is fixed on the extension part of the power terminal VDD, and the extension part of the feedback signal terminal C is located on the first light-receiving chip J1 and grade Between a resistor R1, the first resistor R1 and the first light-receiving chip J1 are electrically connected to the extension of the feedback signal terminal C through wires.

As shown in Figure 6, in one embodiment, the light-emitting unit and the light-receiving unit are arranged side by side, an opaque partition is provided between the light-receiving unit and the light-emitting unit, and there are also partitions around the light-receiving unit and the light-emitting unit for isolating the environment. Light opaque hoardings.

In this embodiment, taking the first light receiving unit 232 and the first light emitting unit 231 as an example, a first opaque partition 234 is provided between the first light receiving unit 232 and the first light emitting unit 231. A first opaque enclosure 235 is provided around the light receiving unit 232 and the first light emitting unit 231. The first opaque partition 234 and the first opaque enclosure 235 protect the first light receiving unit 232 and the first opaque enclosure 235. The light emitting unit 231 is provided with a blocking wall to prevent the light emitted by the first light emitting unit 231 from scattering to the first light receiving unit 232 and the external ambient light from scattering to the first light receiving unit 232, resulting in false triggering of the first light receiving unit 232. .

Light-tight partitions and light-tight enclosures are also provided between other light-receiving units and light-emitting units, which will not be described in detail here.

The second aspect of the embodiment of the present invention provides a keyboard. The keyboard includes a plurality of key caps, a controller 100 and a plurality of photoelectric packages. The specific structure of the photoelectric package refers to the above embodiment. Since this keyboard adopts all the above implementations, All the technical solutions of the above embodiments have at least all the beneficial effects brought by the technical solutions of the above embodiments, and will not be repeated here. The optoelectronic packages are arranged under the key caps of the buttons, and the optoelectronic packages in the same column are cascaded in sequence and electrically connected to the controller 100 .

In this embodiment, the controller 100 and the plurality of optoelectronic packages sequentially implement signal transmission through a two-wire transmission mode, which simplifies electrical connection and reduces circuit layout space.

Further, the keyboard also includes a PCB board, on which the controller 100 and the optoelectronic package are disposed. The controller 100 and each optoelectronic package are connected in sequence through bonding wires or metal wires on the PCB board to achieve signal transmission.

The above-described embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those with ordinary knowledge in the technical field should understand that they can still modify the foregoing. The technical solutions described in each embodiment may be modified, or some of the technical features thereof may be equivalently replaced; and these modifications or substitutions shall not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention. included within the protection scope of the present invention.

100:Controller

200:The first optoelectronic package

210: First drive module

220: First light source module

230: The first induction module

300: Second optoelectronic package

310: Second drive module

320: Second light source module

330: Second induction module

C: Feedback signal terminal

Claims (10)

An optoelectronic package, wherein the optoelectronic package is used to be electrically connected to the optoelectronic package of the previous stage or a controller and to be electrically connected to the optoelectronic package of the subsequent stage. The optoelectronic package includes an integrated device. A light source module, a sensing module and a driving module; the driving module is electrically connected to the light source module and the sensing module respectively. The sensing module is used for sensing touch and is connected to the sensing module through a signal bus. The controller is electrically connected, and the drive module is also used to be electrically connected to the drive module or the controller of the optoelectronic package of the previous stage and to be electrically connected to the drive module of the optoelectronic package of the subsequent stage. ; The driving module is used for: outputting control signals to the sensing module; receiving a light source driving signal output by the controller, and driving the electrically connected light source module to light according to the light source driving signal; the sensing module The module is used for: outputting a trigger signal to the controller when a touch is sensed, so that the controller determines the value of the optoelectronic package containing the sensing module based on the trigger signal and the transmission time of the trigger signal. The physical address performs corresponding operations, and causes the controller to output the light source driving signal to the set driving module of the optoelectronic package according to the trigger signal. The optoelectronic package of claim 1, wherein a first clock signal terminal of the driving module is used to communicate with a second clock signal terminal of the driving module of the optoelectronic package of the previous stage or the controller. A clock signal terminal is electrically connected, and the second clock signal terminal of the driving module is used to be electrically connected to the first clock signal terminal of the driving module of the optoelectronic package of the subsequent stage. The driving module A first data signal terminal is used to electrically connect with a second data signal terminal of the driving module of the optoelectronic package of the previous stage or a data signal terminal of the controller, and the second data signal terminal of the driving module The data signal terminal is used to communicate with the third driver module of the optoelectronic package of the subsequent stage. A data signal terminal is electrically connected. The optoelectronic package as claimed in claim 1, wherein the power end of the optoelectronic package is used to input power supply through a power bus, and the ground end of the optoelectronic package is used to electrically connect to the public ground through a ground bus. . The optoelectronic package of claim 3, wherein the light source module includes at least one light-emitting unit; the anode end of the at least one light-emitting unit is electrically connected to the power end of the optoelectronic package, and the cathode end of the light-emitting unit is electrically connected to The signal terminal of the driving module is electrically connected. The optoelectronic package as claimed in claim 1, wherein the feedback signal end of the optoelectronic package is used to be electrically connected to the controller through the signal bus, and the sensing module includes a light emitting unit and a light receiving unit. ; The anode end of the light emitting unit is electrically connected to the power end of the optoelectronic package, the cathode end of the light emitting unit is electrically connected to the signal end of the driving module, and the light receiving unit is respectively connected to the optoelectronic package. The feedback signal end, the power end and the ground end are electrically connected; the light emitting unit is used to emit light according to the control signal output by the driving module; the light receiving unit is used to receive light when the optoelectronic package is touched reflects the light and sends the trigger signal to the controller. The optoelectronic package of claim 5, wherein the light receiving unit includes a light receiving chip and a resistor, the anode end of the light receiving chip is electrically connected to the power end of the optoelectronic package, and the cathode end of the light receiving chip is electrically connected to The first end of the resistor is electrically connected and the connecting node is electrically connected to the feedback signal end of the optoelectronic package. The second end of the resistor is electrically connected to the ground end of the optoelectronic package. The optoelectronic package as claimed in claim 6, wherein the ground terminal of the optoelectronic package extends Extending to the inside of the optoelectronic package, the driving module and the resistor are fixed on the ground terminal. The power terminal of the optoelectronic package extends to the inside of the optoelectronic package. The light source module and the light-receiving chip are fixed on the power terminal. superior. The optoelectronic package as claimed in claim 7, wherein the feedback signal end of the optoelectronic package extends to the inside of the optoelectronic package, and the feedback signal end extending to the inside of the optoelectronic package is located between the resistor and the light-receiving chip. between. The optoelectronic package of claim 5, wherein the light-emitting unit and the light-receiving unit are arranged side by side, an opaque partition is provided between the light-receiving unit and the light-emitting unit, and the light-receiving unit and the light-receiving unit are arranged side by side. An opaque enclosure for isolating ambient light is also provided around the light emitting unit. A keyboard, which includes a plurality of key caps, a controller and a plurality of optoelectronic packages as described in any one of claims 1 to 9; the optoelectronic packages are arranged below the key caps in the same row Each of the optoelectronic packages is cascaded in sequence and electrically connected to the controller.