CN111180232A - Narrow-edge OLED display screen key switch with word bank chip - Google Patents
Narrow-edge OLED display screen key switch with word bank chip Download PDFInfo
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- CN111180232A CN111180232A CN202010051934.3A CN202010051934A CN111180232A CN 111180232 A CN111180232 A CN 111180232A CN 202010051934 A CN202010051934 A CN 202010051934A CN 111180232 A CN111180232 A CN 111180232A
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- 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
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- 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
- H01H13/02—Details
- H01H13/04—Cases; Covers
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- 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
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- 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
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/28—Snap-action arrangements depending upon deformation of elastic members using compression or extension of coil springs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a narrow-edge OLED display screen key switch with a word stock chip, which comprises an OLED upper shell, a switch mechanism and an OLED assembly, wherein the OLED assembly is arranged inside the OLED upper shell, the switch mechanism is arranged below the OLED upper shell and connected with the OLED upper shell, the OLED assembly comprises an OLED display screen and an OLED screen driving plate, the OLED screen driving plate is connected with and controls an OLED display screen, the OLED screen driving plate is provided with an OLED screen driving chip and a word stock chip, and the OLED screen driving chip is connected with the word stock chip. The invention integrates the word stock chip on the key switch, accelerates the display updating speed of the display screen and reduces the occupation of the word stock module in the processor of the connecting device. Meanwhile, the OLED display screen selects the glass with high definition and narrow frame, the frame size of the shell is reduced, the display screen occupation ratio is improved, and the visual effect is enhanced.
Description
Technical Field
The invention relates to the technical field of OLED display screen key switches, in particular to a narrow-edge OLED display screen key switch with a word library chip.
Background
The key switch is widely applied to various electronic instruments and equipment as a common electronic component. Along with the development of intelligent equipment, intelligent switch comes with the birth to give its intelligent display screen in order to improve visual effect. The intelligent switches can edit the display content of the intelligent switches through external control equipment, and the utilization rate and the application range of the key switches are improved. The OLED screen has the advantages of good color effect, simple manufacture and the like, can be applied to the flexible panel, has wide application prospect, and is also used on the intelligent key switch.
The existing key switch with the OLED display screen does not carry a word stock chip, and the controller needs to be additionally provided with the word stock chip to influence the display speed of the OLED display screen. In addition, the screen ratio of the OLED display screen is low, the display definition is not high, and the visual effect and the use of the key switch are influenced.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a narrow-edge OLED display screen key switch with a word library chip.
The technical scheme of the invention is as follows:
a narrow-edge OLED display screen key switch with a word library chip comprises an OLED upper shell, a switch mechanism and an OLED assembly, wherein the OLED assembly is arranged in the OLED upper shell, the switch mechanism is arranged below the OLED upper shell and is connected with the OLED upper shell,
the OLED component comprises an OLED display screen and an OLED screen driving board, the OLED screen driving board is connected with and controls the OLED display screen, the OLED screen driving board is provided with an OLED screen driving chip and a word stock chip, and the OLED screen driving chip is connected with the word stock chip.
The narrow-edge OLED display screen key switch with the word library chip comprises an OLED upper shell, wherein the OLED upper shell comprises an upper transparent cover and a shell, the lower portion of the upper transparent cover is provided with a super column, the upper transparent cover is connected with the shell in a buckled mode, and an OLED display screen and an OLED screen driving plate are arranged between the upper transparent cover and the shell.
Foretell narrow limit OLED display screen key switch of taking word library chip, switching mechanism includes switch housing, FPC board, connector and key mechanism, key mechanism passes the switch housing is connected the OLED epitheca, the FPC board upwards is connected OLED screen drive board, the FPC board is connected downwards the connector, the connector stretches out the bottom surface of switch housing.
Furthermore, a connecting groove is formed in the connector, and the FPC board is inserted into the connecting groove and connected with the connector.
Further, the key mechanism comprises elastic rubber, a spring and a driving shaft from top to bottom, the elastic rubber is sleeved on the spring, the spring is sleeved on the driving shaft, the driving shaft is connected with a terminal board, and the terminal board is provided with a contact piece.
Further, a switch terminal pin is arranged at the bottom of the switch shell, the key mechanism is connected with the switch terminal pin, the connector is provided with a terminal pin, and the terminal pin extends out of the bottom surface of the switch shell.
Further, the switch shell comprises an upper cover, a bearing frame and a base from top to bottom, the upper cover is connected with the bearing frame in a buckling mode, the bearing frame is connected with the base in a buckling mode, and a switch terminal is arranged on the bottom surface of the base.
Still further, the key mechanism is arranged in the mounting groove of the base, the upper cover and the bearing frame are both provided with mounting holes, and the key mechanism penetrates through the mounting holes to be connected with the OLED upper shell.
Still further, the FPC board is connected with the OLED screen driving board above the upper cover, and the FPC board is bent and wound to the lower part of the upper cover to be connected with the connector.
Still further, the connector penetrates through the bearing frame and is inserted into the base, and terminal pins arranged on the connector extend out of the bottom surface of the base.
According to the narrow-edge OLED display screen key switch with the word library chip, the OLED screen driving board is connected with the FPC board, and the FPC board is connected with electrical equipment through the connector.
Foretell narrow limit OLED display screen key switch of taking word library chip, the OLED display screen is provided with first socket, OLED screen drive board second socket and third socket, first socket is connected the second socket makes the OLED display screen with OLED screen drive board is connected, the FPC board is connected to the third socket, makes OLED screen drive board with the FPC board is connected.
According to the narrow-edge OLED display screen key switch with the word library chip, the OLED screen driving board is provided with the OLED screen driving voltage chip, and the OLED screen driving voltage chip is connected with the OLED screen driving chip and provides driving voltage for the OLED screen driving chip.
According to the narrow-edge OLED display screen key switch with the word library chip, the OLED screen driving board is provided with the connecting socket, and the connecting socket is connected with the OLED screen driving chip, the OLED screen driving voltage chip and the word library chip.
Furthermore, the first pin of the OLED screen driving chip is grounded,
the eleventh pin of the OLED screen driving chip is respectively connected with the twelfth pin of the OLED screen driving chip, the seventh pin of the OLED screen driving voltage chip, the fourth pin of the word stock chip, the ninth pin of the connecting socket and the tenth pin of the connecting socket,
the fourteenth pin of the OLED screen driving chip is connected with the fourth pin of the OLED screen driving voltage chip,
the seventeenth pin of the OLED screen driving chip is respectively connected with the sixth pin of the word stock chip and the seventh pin of the connecting socket,
the eighteenth pin of the OLED screen driving chip is connected with the third pin of the connecting socket,
the twentieth pin of the OLED screen driving chip is connected with the fourth pin of the connecting socket,
the second twelve pins of the OLED screen driving chip are connected with the eighth pin of the connecting socket,
the twenty-third pin of the OLED screen driving chip is respectively connected with the first pin of the word stock chip and the fifth pin of the connecting socket,
the twenty-seventh pin of the OLED screen driving chip is respectively connected with the twenty-ninth pin of the OLED screen driving chip and the fifteenth pin of the OLED screen driving voltage chip,
and the twenty-eighth pin of the OLED screen driving chip is respectively connected with the thirty-third pin of the OLED screen driving chip and the second pin of the OLED screen driving voltage chip.
furthermore, the first pin of the OLED screen driving voltage chip and the 1 beta pin of the OLED screen driving voltage chip are both grounded,
the ninth pin of the OLED screen driving voltage chip is connected with the twelfth pin of the OLED screen driving voltage chip through a first capacitor CF1,
the second pin of the OLED panel driving voltage chip is respectively connected with the twenty-eighth pin of the OLED panel driving chip and one end of a first connector CON1, the other end of the first connector CON1 is respectively connected with a second connector CON2 and ground, the second connector CON2 is respectively connected with the second pin of the OLED panel driving voltage chip and the twenty-eighth pin of the OLED panel driving chip,
the third pin of the OLED screen driving voltage chip is connected with the sixth pin of the OLED screen driving voltage chip through a second capacitor CF2,
the seventh pin of the OLED screen driving voltage chip is grounded through a third capacitor CIN, the seventh pin of the OLED screen driving voltage chip is connected with the tenth pin of the OLED screen driving voltage chip through a first inductor L1,
the fourteenth pin of the OLED panel driving voltage chip is grounded via a fourth capacitor CBOOST,
and the fifteenth pin of the OLED screen driving voltage chip is grounded through a fifth capacitor COP.
Furthermore, a second pin of the word stock chip is grounded, a third pin of the word stock chip is connected with the second pin of the connecting socket, and a fifth pin of the word stock chip is connected with a sixth pin of the connecting socket.
Further, the first pin of the connection socket is grounded.
Preferably, the model of the word stock chip is GT20L 1616.
Preferably, the model of the OLED screen driving chip is RM 67162.
Preferably, the model of the OLED screen driving voltage chip is LC _ RT4723_ 15.
The invention according to the scheme has the beneficial effects that the word stock chip is integrated on the key switch and is directly connected with the display screen driving chip, so that:
1. the content sent during the transmission of the display signal is less, the transmission speed is increased, and the display updating speed of the display screen is increased;
2. the occupation of a word stock module in a processor of the connecting equipment is reduced, the use efficiency of the processor is improved, and the method is particularly suitable for various microprocessors with small storage;
3. the application range is wider and more convenient, whether connected equipment is provided with a word stock or not does not need to be considered, the speciality of other equipment processors can be improved, and the module cost is reduced.
Meanwhile, the OLED display screen is made of glass with high definition and narrow frames, and when the shell is designed, the size of the frames is reduced, the display screen occupation ratio is improved, and the visual effect is enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a circuit diagram of an OLED panel driver chip;
FIG. 5 is a circuit diagram of an OLED panel driving voltage chip;
FIG. 6 is a circuit diagram of a word bank chip;
FIG. 7 is a circuit diagram of a connection jack;
fig. 8 is a flow chart of the application of the present invention.
Wherein, in the figures, the respective reference numerals:
an OLED upper shell; 11. an upper transparent cover; 111. a super column; 12. a housing;
2. a switch mechanism; 21. a switch housing; 211. an upper cover; 212. a carrier; 213. a base; 22, an FPC board; 23. a connector; 24. a key mechanism 241. elastic glue; 242. a spring; 243. a drive shaft; 244. a terminal plate; 245. a contact piece;
an OLED assembly; an OLED display screen; an OLED screen driving board;
4. a terminal pin; 401. a SWITCH Terminal pin SWITCH Terminal; 402. a power supply negative terminal pin GND; 403. chip select AMOLED terminal pin CS 1; 404. chip select word bank chip terminal pin CS 2; 405. command and data terminal pin D/C; 406. a clock terminal pin SCK; 407. an output terminal pin MISO; 408. an input terminal pin MOSI; 409. a reset terminal pin RES; 410. and a power supply positive terminal pin VCC.
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 "disposed" or "connected" to another element, it can be directly or indirectly disposed on the other element. The terms "upper", "lower", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are only for convenience of description and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features.
The utility model provides a take narrow limit OLED display screen key switch of word library chip, as shown in fig. 1, fig. 2, includes OLED epitheca 1, on-off mechanism 2 and OLED subassembly 3, OLED subassembly 3 sets up inside OLED epitheca 1, and on-off mechanism 2 sets up in the below of OLED epitheca 1 and is connected with OLED epitheca 1.
The OLED screen driving board 32 is provided with an OLED screen driving chip, an OLED screen driving voltage chip, a word bank chip, and a connection socket. The OLED screen driving voltage chip is connected with the OLED screen driving chip and provides driving voltage for the OLED screen driving chip, and the connecting socket is arranged among the OLED screen driving chip, the OLED screen driving voltage chip and the word library chip and connected with the OLED screen driving chip, the OLED screen driving voltage chip and the word library chip, so that the connecting and transferring effects are achieved. The OLED screen driving chip is connected with the word stock chip, and the external control chip can directly use the function to call data in the word stock chip through the OLED screen driving chip, so that the signal transmission content between the control chip and the OLED screen driving chip is reduced, and the display speed of the OLED display screen 31 is increased.
Preferably, the font library chip is of the type GT20L 1616.
Preferably, the model of the OLED screen driving chip is RM 67162.
Preferably, the OLED screen driving voltage chip is LC _ RT4723_ 15.
The OLED upper casing 1 comprises an upper transparent cover 11 and a shell 12, the lower portion of the upper transparent cover 11 is provided with a super column 111, the upper transparent cover 11 is buckled with the shell 12, and an OLED display screen 31 and an OLED screen driving board 32 are arranged between the upper transparent cover 11 and the shell 12. By adopting high-definition glass and the narrow-side design of the shell 12, the display proportion of the OLED display screen 31 is improved, and the visual effect is enhanced.
The switch mechanism 2 comprises a switch shell 21, an FPC board 22, a connector 23 and a key mechanism 24, wherein the key mechanism 24 penetrates through the switch shell 21 to be connected with the OLED upper shell 1, the FPC board 22 is upwards connected with an OLED screen driving board 32, the FPC board 22 is downwards connected with the connector 23, and a terminal pin 4 of the connector 23 extends out of the bottom surface of the switch shell 21. When the OLED upper case 1 is pressed downward, the key mechanism 24 is pressed downward in conjunction with it, thereby completing the circuit.
The FPC board 22 is connected to the third socket, so that the OLED panel driving chip on the OLED panel driving board 32 is connected to the FPC board 22, and the FPC board 22 is connected to the electrical equipment through the connector 23. The connector 23 is provided with a coupling groove into which the FPC board 22 is inserted to be coupled with the connector 23. The connector 23 is inserted into the base 213 through the carrier 212, and the terminal pins 4 provided on the connector 23 protrude from the bottom surface of the base 213.
The key mechanism 24 includes an elastic rubber 241, a spring 242 and a driving shaft 243 from top to bottom, the elastic rubber 241 is sleeved on the spring 242, the spring 242 is sleeved on the driving shaft 243, the driving shaft 243 is connected with a terminal board 244, and the terminal board 244 is provided with a contact piece 245. When the key mechanism 24 is forced downward, the contact plate 245 is in contact connection with the SWITCH Terminal pin SWITCH Terminal401, so that the circuit of the entire key SWITCH of the OLED display screen 31 is connected.
The switch housing 21 includes, from top to bottom, an upper cover 211, a carrier 212, and a base 213, wherein the upper cover 211 is coupled to the carrier 212, the carrier 212 is coupled to the base 213, and a switch terminal pin SWITCHTerminal401 is disposed at the bottom of the base 213. The driving shaft 243 of the key mechanism 24 is disposed in the mounting groove of the base 213, the upper cover 211 and the carrier 212 are both provided with mounting holes, and the spring 242 and the elastic glue 241 of the key mechanism 24 pass through the mounting holes to be connected with the OLED upper case 1. The FPC board 22 is connected to the OLED panel driving board 32 above the upper cover 211, and the FPC board 22 is bent around below the upper cover 211 and connected to the connector 23.
As shown in fig. 3, two SWITCH Terminal pins SWITCH Terminal401 of the SWITCH housing are connected to two ends of the contact plate 245, and the Terminal pin 4 of the connector 23 includes a driver chip Terminal pin, and the driver chip Terminal pin is connected to the OLED screen driver chip through the FPC board 22 and the OLED screen driver board 32.
A power supply negative terminal pin GND402 is grounded, a chip selection AMOLED terminal pin CS1403 is respectively connected with the eighteenth pin of the OLED screen driving chip and the third pin of the connecting socket, a chip selection word library chip terminal pin CS2404 is respectively connected with the third pin of the word library chip and the second pin of the connecting socket, a command and data terminal pin D/C405 is respectively connected with the twentieth pin of the OLED screen driving chip and the fourth pin of the connecting socket, a clock terminal pin SCK406 is respectively connected with the twenty-third pin of the OLED screen driving chip, the first pin of the word library chip and the fifth pin of the connecting socket, an output terminal pin MISO407 is respectively connected with the fifth pin of the word library chip and the sixth pin of the connecting socket, an input terminal MOSI408 is respectively connected with the seventeenth pin of the OLED screen driving chip, the sixth pin of the word library chip and the seventh pin of the connecting socket, a reset terminal pin RES is respectively connected with the twenty-second pin of the OLED screen driving chip and the eighth pin of the connecting socket, one power supply positive terminal pin VCC410 is connected to the twenty ninth pin of the OLED panel driving chip and the fifteenth pin of the OLED panel driving voltage chip, respectively, and the other power supply positive terminal pin VCC410 is connected to the thirty th pin of the OLED panel driving chip and the second pin of the OLED panel driving voltage chip.
As shown in fig. 4, the first pin of the OLED panel driving chip is grounded, the eleventh pin of the OLED panel driving chip is connected to the twelfth pin of the OLED panel driving chip, the seventh pin of the OLED panel driving voltage chip, the fourth pin of the word library chip, the ninth pin of the connection socket, and the tenth pin of the connection socket, the fourteenth pin of the OLED panel driving chip is connected to the fourth pin of the OLED panel driving voltage chip, the seventeenth pin of the OLED panel driving chip is connected to the sixth pin of the word library chip and the seventh pin of the connection socket, respectively, the eighteenth pin of the OLED panel driving chip is connected to the third pin of the connection socket, the twentieth pin of the OLED panel driving chip is connected to the fourth pin of the connection socket, the twelfth pin of the OLED panel driving chip is connected to the eighth pin of the connection socket, the twenty third pin of the OLED panel driving chip is connected to the first pin of the word library chip and the fifth pin of the connection socket, respectively, the twenty seventh pin of the OLED panel driving chip is connected to the twenty ninth pin of the OLED panel driving chip and the fifteenth pin of the OLED panel driving voltage chip, and the twenty-eighth pin of the OLED screen driving chip is respectively connected with the thirty-third pin of the OLED screen driving chip and the second pin of the OLED screen driving voltage chip.
as shown in fig. 5, the first pin of the OLED panel driving voltage chip and the 1 st pin of the OLED panel driving voltage chip are both grounded, the ninth pin of the OLED panel driving voltage chip is connected to the twelfth pin of the OLED panel driving voltage chip through a first capacitor CF1, the second pin of the OLED panel driving voltage chip is connected to the twenty-eighth pin of the OLED panel driving chip and one end of a first connector 23CON1, the other end of the first connector 23CON1 is connected to the second connector 23CON2 and grounded, the second connector 23CON2 is connected to the second pin of the OLED panel driving voltage chip and the twenty-eighth pin of the OLED panel driving chip, the third pin of the OLED panel driving voltage chip is connected to the sixth pin of the OLED panel driving voltage chip through a second capacitor CF2, the seventh pin of the OLED panel driving voltage chip is grounded through a third capacitor CIN, the seventh pin of the OLED panel driving voltage chip is connected to the tenth pin of the OLED panel driving voltage chip through a first inductor L1, the fourteenth pin of the OLED panel driving voltage chip is grounded, and the fifteenth pin of the OLED panel driving voltage chip is grounded through a fifth capacitor cbst.
As shown in fig. 6, the second pin of the word stock chip is grounded, the third pin of the word stock chip is connected to the second pin of the connection socket, and the fifth pin of the word stock chip is connected to the sixth pin of the connection socket.
As shown in fig. 7, the first leg of the connection socket is grounded.
As shown in FIG. 8, in use, the control chip is connected to the upstream, and the electrical equipment to be controlled is connected to the downstream. The control chip is connected with the network, and the PC sends a control signal through the network to control and edit the invention, such as rewriting the display content of the OLED screen, starting or not, and the like. The invention leads the internal circuit to be communicated through external stress, thereby giving control signals to downstream electrical equipment, leading the related circuit of the downstream electrical equipment to be communicated and carrying out related work. The invention is controlled and edited by an upstream PC, and is equivalent to a switch of a certain working circuit for downstream electrical equipment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The narrow-edge OLED display screen key switch with the word library chip is characterized by comprising an OLED upper shell, a switch mechanism and an OLED assembly, wherein the OLED assembly is arranged inside the OLED upper shell, the switch mechanism is arranged below the OLED upper shell and is connected with the OLED upper shell,
the OLED component comprises an OLED display screen and an OLED screen driving board, the OLED screen driving board is connected with and controls the OLED display screen, the OLED screen driving board is provided with an OLED screen driving chip and a word stock chip, and the OLED screen driving chip is connected with the word stock chip.
2. The narrow-edge OLED display screen key switch with a word library chip as claimed in claim 1, wherein the OLED upper shell comprises an upper transparent cover and a shell, the upper transparent cover is connected with the shell in a buckling manner, and the OLED display screen and the OLED screen driving board are both arranged between the upper transparent cover and the shell.
3. The narrow-sided OLED display key switch with a word library chip as claimed in claim 1, wherein the switch mechanism comprises a switch housing, an FPC board, a connector and a key mechanism, the key mechanism passes through the switch housing to connect with the OLED upper housing, the FPC board is connected with the OLED screen driving board upwards, the FPC board is connected with the connector downwards, and the connector extends out of the bottom surface of the switch housing.
4. The narrow-sided OLED display screen key switch with a font chip as claimed in claim 3, wherein the key mechanism comprises an elastic rubber, a spring and a driving shaft from top to bottom, the elastic rubber is sleeved on the spring, the spring is sleeved on the driving shaft, the driving shaft is connected with a terminal board, and the terminal board is provided with a contact piece.
5. The narrow-sided OLED display screen key switch with a word library chip as claimed in claim 3, wherein the connector is provided with a connecting groove, and the FPC board is inserted into the connecting groove to connect with the connector.
6. The narrow-sided OLED display screen key switch with a word library chip as claimed in claim 3, wherein the bottom of the switch housing is provided with switch terminal pins, the key mechanism is connected with the switch terminal pins, the connector is provided with terminal pins, and the terminal pins protrude out of the bottom surface of the switch housing.
7. The narrow-edge OLED display screen key switch with the word library chip as claimed in claim 1, wherein the OLED display screen is provided with a first socket, the OLED display screen drives a second socket and a third socket, the first socket is connected with the second socket, the third socket is connected with an FPC board, and the FPC board is connected with electrical equipment through a connector.
8. The narrow-edge OLED display screen key switch with a word stock chip as claimed in claim 1, wherein the OLED screen driving board is provided with a connection socket and the OLED screen driving voltage chip, the OLED screen driving voltage chip is connected with the OLED screen driving chip, and the connection socket is connected with the OLED screen driving chip, the OLED screen driving voltage chip and the word stock chip.
9. The narrow-sided OLED display screen keyswitch with word library chip as claimed in claim 8, wherein the first leg of the OLED screen driver chip is connected to ground,
the eleventh pin of the OLED screen driving chip is respectively connected with the twelfth pin of the OLED screen driving chip, the seventh pin of the OLED screen driving voltage chip, the fourth pin of the word stock chip, the ninth pin of the connecting socket and the tenth pin of the connecting socket,
the fourteenth pin of the OLED screen driving chip is connected with the fourth pin of the OLED screen driving voltage chip,
the seventeenth pin of the OLED screen driving chip is respectively connected with the sixth pin of the word stock chip and the seventh pin of the connecting socket,
the eighteenth pin of the OLED screen driving chip is connected with the third pin of the connecting socket,
the twentieth pin of the OLED screen driving chip is connected with the fourth pin of the connecting socket,
the second twelve pins of the OLED screen driving chip are connected with the eighth pin of the connecting socket,
the twenty-third pin of the OLED screen driving chip is respectively connected with the first pin of the word stock chip and the fifth pin of the connecting socket,
the twenty-seventh pin of the OLED screen driving chip is respectively connected with the twenty-ninth pin of the OLED screen driving chip and the fifteenth pin of the OLED screen driving voltage chip,
and the twenty-eighth pin of the OLED screen driving chip is respectively connected with the thirty-third pin of the OLED screen driving chip and the second pin of the OLED screen driving voltage chip.
10. the narrow-sided OLED display screen keyswitch of claim 8, wherein both the OLED screen driver voltage chip first pin and the OLED screen driver voltage chip 1 β pin are connected to ground,
the ninth pin of the OLED screen driving voltage chip is connected with the twelfth pin of the OLED screen driving voltage chip through a first capacitor CF1,
the second pin of the OLED panel driving voltage chip is respectively connected with the twenty-eighth pin of the OLED panel driving chip and one end of a first connector CON1, the other end of the first connector CON1 is respectively connected with a second connector CON2 and ground, the second connector CON2 is respectively connected with the second pin of the OLED panel driving voltage chip and the twenty-eighth pin of the OLED panel driving chip,
the third pin of the OLED screen driving voltage chip is connected with the sixth pin of the OLED screen driving voltage chip through a second capacitor CF2,
the seventh pin of the OLED screen driving voltage chip is grounded through a third capacitor CIN, the seventh pin of the OLED screen driving voltage chip is connected with the tenth pin of the OLED screen driving voltage chip through a first inductor L1,
the fourteenth pin of the OLED panel driving voltage chip is grounded via a fourth capacitor CBOOST,
and the fifteenth pin of the OLED screen driving voltage chip is grounded through a fifth capacitor COP.
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Application publication date: 20200519 |