CN112531033A - Photoelectric packaging body and keyboard - Google Patents

Photoelectric packaging body and keyboard Download PDF

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Publication number
CN112531033A
CN112531033A CN202011501742.4A CN202011501742A CN112531033A CN 112531033 A CN112531033 A CN 112531033A CN 202011501742 A CN202011501742 A CN 202011501742A CN 112531033 A CN112531033 A CN 112531033A
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CN
China
Prior art keywords
electrically connected
optoelectronic package
module
terminal
driving module
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Pending
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CN202011501742.4A
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Chinese (zh)
Inventor
何俊杰
黄建中
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Brightek Shenzhen Optoelectronic Co ltd
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Brightek Shenzhen Optoelectronic Co ltd
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Application filed by Brightek Shenzhen Optoelectronic Co ltd filed Critical Brightek Shenzhen Optoelectronic Co ltd
Priority to CN202011501742.4A priority Critical patent/CN112531033A/en
Priority to TW110101866A priority patent/TWI813932B/en
Publication of CN112531033A publication Critical patent/CN112531033A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/0203—Containers; Encapsulations, e.g. encapsulation of photodiodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
    • H01L31/125—Composite devices with photosensitive elements and electroluminescent elements within one single body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/12—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto
    • H01L31/14—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the light source or sources being controlled by the semiconductor device sensitive to radiation, e.g. image converters, image amplifiers or image storage devices

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

The invention is suitable for the technical field of keyboards, and particularly relates to a photoelectric packaging body and a keyboard, wherein the photoelectric packaging body comprises 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 determines a physical address of the photoelectric packaging body containing the sensing module according to the trigger signal and executes corresponding operation, and simultaneously outputs a light source driving signal to a set driving module of the photoelectric packaging body, so that the corresponding light source module is driven to be lightened, the photoelectric packaging body realizes synchronous driving of a light source and keys, a driving circuit is not required to be arranged independently, the circuit structure is simplified, and the design cost is reduced.

Description

Photoelectric packaging body and keyboard
Technical Field
The invention belongs to the technical field of keyboards, and particularly relates to a photoelectric packaging body and a keyboard.
Background
The existing keyboard keys and the RGB color control are controlled by a matrix scanning method, wiring is required from a driver IC (integrated circuit) pin to an optical axis control circuit at the bottom of the key, wiring is required from another driver IC pin to a control circuit of each RGB LED (Light Emitting Diode), and a plurality of photoelectric packages and a plurality of RGB driver circuits are provided, so that the circuit layout is more.
Meanwhile, the keyboard photoelectric packaging body and the RGB dazzling color need to be controlled independently, and a plurality of driving ICs are needed, so that the cost is high.
Meanwhile, if the existing keyboard is to achieve the ghost-proof key function (ghost-proof means that when a plurality of keys are pressed simultaneously, the key signals output by the pressed keyboard keys are prevented from being disordered), a high-impedance circuit needs to be designed in the circuit to identify the difference value of each key, or a plurality of resistors are connected in series on each matrix-controlled circuit, so that the ghost-proof function is achieved, and the circuit structure is complex.
Therefore, the existing keyboard has the problems of high cost and complex circuit.
Disclosure of Invention
The invention aims to provide a photoelectric packaging body, and aims to solve the problems of complex circuit and high cost of the traditional photoelectric packaging body caused by the fact that keyboard keys and RGB lamps need to be controlled independently.
A first aspect of an embodiment of the present invention provides a photoelectric package, where the photoelectric package is configured to be electrically connected to a previous stage of photoelectric package or a controller and to a next stage of photoelectric package, and the photoelectric package includes an integrated light source module, an induction module, and a driving module;
the driving module is respectively electrically connected with the light source module and the sensing module, the sensing module is used for sensing touch and is electrically connected with the controller through a signal bus, and the driving module is also used for being electrically connected with the driving module or the controller of the photoelectric packaging body at the previous stage and electrically connected with the driving module of the photoelectric packaging body at the next stage;
the driving module is used for:
outputting a control signal to the sensing module;
receiving a light source driving signal output by the controller, and driving the electrically connected light source module to be lightened according to the light source driving signal;
the sensing module is used for:
when the touch is sensed, a trigger signal is output to the controller, so that the controller determines a physical address of the photoelectric packaging body including the sensing module according to the trigger signal and transmission time of the trigger signal and executes corresponding operation, and the controller outputs the light source driving signal to a driving module of a set photoelectric packaging body according to the trigger signal.
In an embodiment, the first clock signal terminal of the driving module is configured to be electrically connected to the second clock signal terminal of the driving module of the previous optoelectronic package or the clock signal terminal of the controller, the second clock signal terminal of the driving module is configured to be electrically connected to the first clock signal terminal of the driving module of the next optoelectronic package, the first data signal terminal of the driving module is configured to be electrically connected to the second data signal terminal of the driving module of the previous optoelectronic package or the data signal terminal of the controller, and the second data signal terminal of the driving module is configured to be electrically connected to the first data signal terminal of the driving module of the next optoelectronic package.
In one embodiment, the power terminal of the optoelectronic package is used for inputting a power supply through a power bus, and the ground terminal of the optoelectronic package is used for electrically connecting to a common ground through a ground bus.
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 with the power end of the photoelectric packaging body, and the cathode end of the light-emitting unit is electrically connected with the signal end of the driving module.
In one embodiment, a feedback signal end of the optoelectronic package is 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 with the power end of the photoelectric packaging body, the cathode end of the light emitting unit is electrically connected with the signal end of the driving module, and the light receiving unit is respectively electrically connected with the feedback signal end, the power end and the grounding end of the photoelectric packaging body;
the light emitting unit is used for emitting light according to the control signal output by the driving module;
the light receiving unit is used for receiving the reflected light when the photoelectric packaging body is touched and sending the trigger signal to the controller.
In one embodiment, the light receiving unit includes a light receiving chip and a resistor, an anode terminal of the light receiving chip is electrically connected to a power terminal of the optoelectronic package, a cathode terminal of the light receiving chip is electrically connected to a first terminal of the resistor, a connection node is electrically connected to a feedback signal terminal of the optoelectronic package, and a second terminal of the resistor is electrically connected to a ground terminal of the optoelectronic package.
In one embodiment, a ground terminal of the optoelectronic package extends into the optoelectronic package, the driving module and the resistor are fixed to the ground terminal, a power terminal of the optoelectronic package extends into the optoelectronic package, and the light source module and the light receiving chip are fixed to the power terminal.
In one embodiment, a feedback signal terminal of the optoelectronic package extends to the inside of the optoelectronic package, and the feedback signal terminal extending to the inside of the optoelectronic package is located between the resistor and the light receiving chip.
In one embodiment, the light emitting unit and the light receiving unit are arranged side by side, an opaque partition plate is arranged between the light receiving unit and the light emitting unit, and an opaque surrounding plate for isolating ambient light is further arranged on the peripheries of the light receiving unit and the light emitting unit.
A second aspect of an embodiment of the present invention provides a keyboard, which includes a plurality of key caps, a controller, and a plurality of optoelectronic packages as described above;
the photoelectric packaging bodies are arranged below the key caps one by one, and each photoelectric packaging body in the same row is connected with the controller in parallel and is electrically connected with the controller.
According to the embodiment of the invention, the light source module, the sensing module and the driving module are adopted to form the photoelectric packaging body, the sensing module outputs the trigger signal to the controller according to touch control, the controller determines the physical address of the photoelectric packaging body containing the sensing module according to the trigger signal and executes corresponding operation, and simultaneously outputs the light source driving signal to the set driving module of the photoelectric packaging body, so that the corresponding light source module is driven to be lightened, the photoelectric packaging body realizes synchronous driving of the light source and the keys, a driving circuit is not required to be independently arranged, the circuit structure is simplified, and the design cost is reduced.
Drawings
Fig. 1 is a schematic view of a first structure of an optoelectronic package according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a second structure of an optoelectronic package according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a third structure of an optoelectronic package according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the sensing module shown in FIG. 3;
fig. 5 is a schematic structural diagram of an optoelectronic package according to an embodiment of the present invention;
fig. 6 is a schematic view of a package structure of an optoelectronic package according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be 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 be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
A first aspect of an embodiment of the present invention provides an optoelectronic package.
As shown in fig. 1, fig. 1 is a schematic view of a first structure of a photoelectric package according to an embodiment of the present invention, in this embodiment, the photoelectric package is used to be electrically connected to a previous photoelectric package or a controller 100 and to be electrically connected to a next photoelectric package, and the photoelectric package includes an integrated light source module, a sensing module and a driving module;
the driving module is electrically connected with the light source module and the sensing module respectively, the sensing module is used for sensing touch and is electrically connected with the controller 100 through a signal bus, and the driving module is also used for being electrically connected with the driving module of the photoelectric packaging body of the previous stage or the controller 100 and electrically connected with the driving module of the photoelectric packaging body of the next stage;
a drive module to:
outputting a control signal to the sensing module;
receiving a light source driving signal output by the controller 100, and driving the electrically connected light source module to light up according to the light source driving signal;
a sensing module for:
when the touch is sensed, a trigger signal is output to the controller 100, so that the controller 100 determines a physical address of the optoelectronic package including the sensing module according to the trigger signal and a transmission time of the trigger signal and performs a corresponding operation, and the controller 100 outputs a light source driving signal to a driving module of the set optoelectronic package according to the trigger signal.
In this embodiment, when the optoelectronic package is installed in a keyboard for use, the optoelectronic packages are sequentially connected in series and connected to the controller 100 to realize the 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, the second optoelectronic package 300 is further connected to a third optoelectronic package, and so on, a 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 internally and integrally provided with a driving module, the sensing module and the light source module, the driving module is connected to the sensing module and the light source module of the current stage, and simultaneously, the driving module is also used for connecting the controller 100 or the driving module of the previous stage and connecting the driving module of the subsequent stage, for example, the first driving module 210 in the first optoelectronic package 200 is respectively connected to the first light source module 220 and the first sensing module 230, and the second driving module 310 in the second optoelectronic package 300 is respectively connected to the second light source module 320 and the second sensing module 330, the first driving module 210 is connected to the front-stage controller 100 and the rear-stage second driving module 310, each driving module provides a control signal for the respective connected sensing module 230, so as to power on and start the corresponding sensing module, taking the first optoelectronic package 200 as an example, the first driving module 210 provides a control signal for the first sensing module 230, the first sensing module 230 outputs a trigger signal to the controller 100 when being powered on and touched, the controller 100 determines a physical address of the touched optoelectronic package by detecting the trigger signal and combining the time of transmission between devices, the controller 100 performs corresponding operations according to the physical address of the first sensing module 230, such as outputting corresponding read-write instructions, return instructions, deleting instructions, and the like, and since different sensing modules have different trigger signals and transmission times, which optoelectronic package is touched can be determined by the transmission time and the received trigger signal, misjudgment is prevented from occurring when the plurality of sensing modules are touched simultaneously, the function of preventing ghost keys is achieved, extra high-impedance lines or serially connected resistors are not needed, and the line structure of the keyboard is simplified.
Meanwhile, the controller 100 receiving the trigger signal further outputs a light source driving signal to a set photoelectric package, the set photoelectric package may be any one or more of the photoelectric packages such as the first photoelectric package 200, the second photoelectric package 300, and the like, and is set correspondingly according to the lighting requirements and rules, the driving module of at least one set photoelectric package receiving the light source driving signal outputs a dimming signal of a corresponding magnitude to the connected light source module according to the light source driving signal, thereby controlling the light source module to display light rays of corresponding colors, achieving a color dazzling effect at a corresponding position of the keyboard, and the other driving modules, the light source module and the sensing module have the same working principle, and are not described in detail herein, the driving module is connected with and integrated with the driving light source module and the sensing module at the same time, and does not need to separately set the driving module to separately drive the light source module and the sensing module, the circuit structure of the keyboard is simplified, and meanwhile, the design cost of the keyboard is reduced.
The driving module can be provided with working power supply by an external power supply 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 correspondingly arranged according to requirements.
The light source module can comprise a red light LED chip, a green light LED chip and a blue light LED chip, and the specific structure is selected correspondingly according to the color development requirement of the keyboard.
The driving module may be a driving chip, and the specific structure is not limited.
By adopting the light source module, the photoelectric packaging body is composed of the sensing module and the driving module, the sensing module outputs a trigger signal to the controller 100 according to touch, the controller 100 determines the physical address of the photoelectric packaging body containing the sensing module according to the trigger signal and executes corresponding operation, and simultaneously outputs a light source driving signal to the driving module of the set photoelectric packaging body, so that the light source module corresponding to driving is lightened, the photoelectric packaging body realizes synchronous driving of a light source and a key, a driving circuit is not required to be independently arranged, the circuit structure is simplified, and the design cost is reduced.
As shown in fig. 2, in an embodiment, the first clock signal terminal of the driving module is configured to be electrically connected to the second clock signal terminal of the driving module of the previous optoelectronic package or the clock signal terminal of the controller 100, the second clock signal terminal of the driving module is configured to be electrically connected to the first clock signal terminal of the driving module of the next optoelectronic package, the first data signal terminal of the driving module is configured to be electrically connected to the second data signal terminal of the driving module of the previous optoelectronic package or the data signal terminal of the controller 100, and the second data signal terminal of the driving module is configured to be electrically connected to the first data signal terminal of the driving module of the next optoelectronic package.
In this embodiment, the driving modules of the optoelectronic packages sequentially transmit the data signal and the clock signal through the cascade two-wire transmission mode, so that the electrical connection is simple, and the layout space of the circuit is reduced.
In one embodiment, as shown in fig. 3, the power terminal of the optoelectronic package is used for inputting power through the power bus, and the ground terminal of the optoelectronic package is used for electrically connecting to the common ground through the ground bus.
In this embodiment, each of the optoelectronic packages obtains a corresponding working power source by being connected to the power bus, and is connected to a common ground by being connected to the ground bus, thereby ensuring reliable operation.
Continuing to refer to fig. 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 with the power end of the photoelectric packaging body, and the cathode end of the light-emitting unit is electrically connected with the signal end of the driving module.
In this embodiment, the light emitting unit is connected with the power end of the driving module and the photoelectric packaging body, and the light emitting unit displays light rays with corresponding colors according to the dimming signal output by the driving module.
Referring to fig. 3, in an embodiment, the feedback signal terminal C of the optoelectronic package is electrically connected to the controller 100 through a 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 with the power supply end VDD of the photoelectric packaging body, the cathode end of the light emitting unit is electrically connected with the signal end of the driving module, and the light receiving unit is respectively electrically connected with the feedback signal end C of the photoelectric packaging body, the power supply end VDD and the ground end GND;
the light emitting unit is used for emitting light according to the control signal output by the driving module;
the light receiving unit is used for receiving the reflected light emitted by the light emitting unit when the photoelectric packaging body is touched, and emitting a trigger signal to the controller 100.
In this embodiment, a feedback signal terminal C of the optoelectronic package is electrically connected to a signal bus and a signal output terminal of a connection sensing module, that is, electrically connected to the light receiving unit, and feeds back a trigger signal output by the light receiving unit to the controller 100 through the signal bus, 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, one end of the first light emitting unit 231 is connected to a power terminal, 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 be correspondingly turned on and emit light, the first light receiving unit 232 is respectively connected to the power terminal VDD, the ground terminal GND and the feedback signal terminal C, as shown in fig. 5, when the first sensing module 230 is touched, the light emitted by the first light emitting unit 231 is reflected to the first light emitting unit through a key cap 233 or other mechanical structure The light receiving unit 232 prompts the first light receiving unit 232 to send a trigger signal to the controller 100, and the controller 100 determines a physical address of the first optoelectronic package 200 sending the trigger signal according to the trigger signal and the transmission time, and correspondingly outputs a light source driving signal to a driving module of a set optoelectronic package, so as to drive a corresponding light emitting unit to send light of a corresponding color.
In summary, the optoelectronic package is provided 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 and correspondingly connected to the adjacent controller 100 and/or the CLOCK signal terminal CLOCK and the DATA signal terminal DATA of the adjacent optoelectronic package, and perform transmission of DATA signals and control signals, and the feedback signal terminal C, the power terminal VDD and the ground terminal GND of the optoelectronic package are correspondingly connected to the feedback signal terminal C, the power terminal VDD and the ground terminal GND of the controller 100 through corresponding buses.
Other optoelectronic packages are connected in the same manner and will not be described in detail herein.
Through the integrated arrangement, the external power module only needs to lead out a power line and a ground wire, and the controller 100 and/or the preceding stage photoelectric packaging body only needs to lead out a signal line and set a feedback line, and are sequentially connected with the photoelectric packaging bodies.
In this embodiment, each of the photoelectric packages may be correspondingly disposed under a key cap, and the position of the key cap is monitored, when the key cap is pressed, the light receiving unit in the photoelectric package sends a trigger signal, so that the driving module of the photoelectric package is configured to drive the light source module to send light with a corresponding color according to the received light source driving signal, thereby achieving the purpose of dazzling the backlight.
Wherein, the button key cap can with photoelectric packaging body mechanical connection, perhaps does not have the relation of connection, and concrete structure corresponds the setting as required.
In one embodiment, the light receiving unit includes a light receiving chip and a resistor, an anode terminal of the light receiving chip is electrically connected to a power terminal VDD of the optoelectronic package, a cathode terminal of the light receiving chip is electrically connected to a first terminal of the resistor and a connection node is electrically connected to a feedback signal terminal C of the optoelectronic package, and a second terminal of the resistor is electrically connected to a 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 fig. 3, in one embodiment, taking the first sensing module 230 as an example, the first 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, when the key is pressed, the first infrared light emitter F1, the light emitted by the photoelectric packaging body is reflected to a first light receiving chip J1 through a key cap 233 or other mechanical structure, the first light receiving chip J1 sends a trigger signal to the controller 100 through a connecting node, the controller 100 determines the physical address of the photoelectric packaging body sending the trigger signal according to the trigger signal and the transmission time, and correspondingly outputting a light source driving signal to a driving module in the set photoelectric packaging body so as to drive the corresponding light-emitting unit to emit light rays with corresponding colors.
As shown in fig. 3 and 4, in one embodiment, the ground GND of the optoelectronic package extends into the optoelectronic package, the driving module and the resistor R1 are fixed on the ground GND, the power terminal VDD of the optoelectronic package extends into the optoelectronic package and is adjacent to the ground GND, and the light source module and the light receiving chip J1 are fixed on the power terminal VDD. The feedback signal end C of the photoelectric packaging body extends to the inside of the photoelectric packaging body and is adjacent to the power supply end VDD extending to the inside of the photoelectric packaging body, the power supply end VDD extending to the inside of the photoelectric packaging body is located between the ground end GND extending to the inside of the photoelectric packaging body and the feedback signal end C, so that the light source module fixed on the power supply end VDD can be located at the middle position inside the photoelectric packaging body, the light source module is conveniently connected with the driving module in a routing mode, peripheral light emitting is uniform, the feedback signal end extending to the inside of the photoelectric packaging body is located between the resistor R1 and the light receiving chip J1, and the feedback signal end extending to the inside of the photoelectric packaging body is conveniently electrically connected with the resistor R1 and the light receiving chip J1 in a routing mode. The position of the elements in the photoelectric packaging body is configured, so that the internal space of the photoelectric packaging body is fully utilized, and the volume of the photoelectric packaging body 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, a ground terminal GND, and a spare signal terminal P, where the CLOCK signal terminal CLOCK-IN is used for inputting a CLOCK signal, the CLOCK signal terminal CLOCK-OUT is used for outputting a CLOCK signal, the DATA signal terminal DATA-IN is used for inputting a DATA signal, the DATA signal terminal DATA-OUT is used for outputting a DATA signal, and the feedback signal terminal is used for outputting a 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 portion of the ground GND, the first driving module 210 is respectively connected to the CLOCK signal terminal CLOCK-IN/CLOCK-OUT, the DATA signal terminal DATA-IN/DATA-OUT, the power terminal VDD, the first LED lamp F1 of the first light emitting unit 231 and the light source module 220 by wire bonding, the light source module 220 includes a RGB three-color lamp, the RGB three-color lamp is fixed on the extension portion 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 portion of the power terminal VDD, the extension portion of the feedback signal terminal C is located between the first light receiving chip J1 and the first resistor R1, and the first resistor R1 and the first light receiving chip J1 are electrically connected to the extension portion of the feedback signal terminal C by wire bonding.
As shown in fig. 6, in one embodiment, the light emitting unit and the light receiving unit are arranged side by side, a light-tight partition is arranged between the light receiving unit and the light emitting unit, and a light-tight enclosure for isolating ambient light is further arranged around the light receiving unit and the light emitting unit.
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 disposed between the first light receiving unit 232 and the first light emitting unit 231, a first opaque surrounding plate 235 is disposed around the first light receiving unit 232 and the first light emitting unit 231, and the first opaque partition 234 and the first opaque surrounding plate 235 perform a wall-retaining arrangement on the first light receiving unit 232 and the first light emitting unit 231, so as to prevent light emitted by the first light emitting unit 231 from scattering to the first light receiving unit 232 and ambient light from scattering to the first light receiving unit 232, which may cause false triggering of the first light receiving unit 232.
And light-tight clapboards and light-tight enclosing plates are also arranged between other light receiving units and light emitting units, and the light-tight clapboards and the light-tight enclosing plates are not described in detail herein.
A second aspect of the embodiments of the present invention provides a keyboard, where the keyboard includes a plurality of key caps, a controller 100, and a plurality of optoelectronic packages, and the specific structure of the optoelectronic packages refers to the above embodiments. The photoelectric packaging bodies are arranged below the key caps one by one, and each photoelectric packaging body in the same row is connected with the controller 100 in parallel and electrically connected.
In this embodiment, the controller 100 and the plurality of optoelectronic packages sequentially implement signal transmission in a dual-line transmission mode, so that electrical connection is simple and a circuit layout space is reduced.
Further, the keyboard further comprises a PCB board, the controller 100 and the photoelectric packaging bodies are arranged on the PCB board, and the controller 100 and the photoelectric packaging bodies are sequentially connected through binding wires or metal wires on the PCB board, so that signal transmission is realized.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. The photoelectric packaging body is characterized by being electrically connected with a photoelectric packaging body or a controller of a previous stage and electrically connected with a photoelectric packaging body of a next stage, and comprising a light source module, an induction module and a driving module which are integrally arranged;
the driving module is electrically connected with the light source module and the sensing module respectively, the sensing module is used for sensing touch and is electrically connected with the controller through a signal bus, and the driving module is also used for being electrically connected with the driving module of the photoelectric packaging body at the previous stage or the controller and being electrically connected with the driving module of the photoelectric packaging body at the next stage;
the driving module is used for:
outputting a control signal to the sensing module;
receiving a light source driving signal output by the controller, and driving the electrically connected light source module to be lightened according to the light source driving signal;
the sensing module is used for:
when the touch is sensed, a trigger signal is output to the controller, so that the controller determines a physical address of the photoelectric packaging body including the sensing module according to the trigger signal and transmission time of the trigger signal and executes corresponding operation, and the controller outputs the light source driving signal to a driving module of a set photoelectric packaging body according to the trigger signal.
2. The optoelectronic package according to claim 1, wherein the first clock signal terminal of the driving module is configured to be electrically connected to the second clock signal terminal of the driving module of the optoelectronic package of the previous stage or the clock signal terminal of the controller, the second clock signal terminal of the driving module is configured to be electrically connected to the first clock signal terminal of the driving module of the optoelectronic package of the next stage, the first data signal terminal of the driving module is configured to be electrically connected to the second data signal terminal of the driving module of the optoelectronic package of the previous stage or the data signal terminal of the controller, and the second data signal terminal of the driving module is configured to be electrically connected to the first data signal terminal of the driving module of the optoelectronic package of the next stage.
3. The optoelectronic package of claim 1, wherein a power terminal of the optoelectronic package is configured to input a power supply via a power bus, and a ground terminal of the optoelectronic package is configured to electrically connect to a common ground via a ground bus.
4. The optoelectronic package of claim 3, wherein the light source module comprises at least one light emitting unit;
the anode end of the light-emitting unit is electrically connected with the power end of the photoelectric packaging body, and the cathode end of the light-emitting unit is electrically connected with the signal end of the driving module.
5. The optoelectronic package of claim 1, wherein a feedback signal terminal of the optoelectronic package is configured to be electrically connected to the controller via the signal bus, and the sensing module comprises a light emitting unit and a light receiving unit;
the anode end of the light emitting unit is electrically connected with the power end of the photoelectric packaging body, the cathode end of the light emitting unit is electrically connected with the signal end of the driving module, and the light receiving unit is respectively electrically connected with the feedback signal end, the power end and the grounding end of the photoelectric packaging body;
the light emitting unit is used for emitting light according to the control signal output by the driving module;
the light receiving unit is used for receiving the reflected light when the photoelectric packaging body is touched and sending the trigger signal to the controller.
6. The optoelectronic package according to claim 5, wherein the light receiving unit comprises a light receiving chip and a resistor, an anode terminal of the light receiving chip is electrically connected to a power terminal of the optoelectronic package, a cathode terminal of the light receiving chip is electrically connected to a first terminal of the resistor, a connection node is electrically connected to a feedback signal terminal of the optoelectronic package, and a second terminal of the resistor is electrically connected to a ground terminal of the optoelectronic package.
7. The optoelectronic package according to claim 6, wherein a ground terminal of the optoelectronic package extends into the optoelectronic package, the driving module and the resistor are fixed to the ground terminal, a power terminal of the optoelectronic package extends into the optoelectronic package, and the light source module and the light receiving chip are fixed to the power terminal.
8. The optoelectronic package of claim 7, wherein a feedback signal terminal of the optoelectronic package extends into the optoelectronic package, and the feedback signal terminal extending into the optoelectronic package is located between the resistor and the light receiving chip.
9. The optoelectronic package of claim 5, wherein the light emitting unit and the light receiving unit are disposed side by side, an opaque partition is disposed between the light receiving unit and the light emitting unit, and an opaque enclosure is disposed around the light receiving unit and the light emitting unit for isolating ambient light.
10. A keyboard comprising a plurality of key caps, a controller, and a plurality of optoelectronic packages according to any one of claims 1-9;
the photoelectric packaging bodies are arranged below the key caps one by one, and each photoelectric packaging body in the same row is connected with the controller in parallel and is electrically connected with the controller.
CN202011501742.4A 2020-12-17 2020-12-17 Photoelectric packaging body and keyboard Pending CN112531033A (en)

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CN202011501742.4A CN112531033A (en) 2020-12-17 2020-12-17 Photoelectric packaging body and keyboard
TW110101866A TWI813932B (en) 2020-12-17 2021-01-18 Optoelectronic packages and keypads

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TWI841427B (en) * 2023-06-26 2024-05-01 達方電子股份有限公司 Photoelectric keyboard

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CN107017870B (en) * 2016-11-17 2018-08-28 东莞市凯华电子有限公司 A kind of slim photoelectric mechanical formula keyboard switch
TW202042016A (en) * 2019-05-09 2020-11-16 艾維克科技股份有限公司 Keyboard device and computer control system thereof including a keyboard body and an optical sensing module

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