CN107633811A - A kind of SCM Based OLED static state displays drive device - Google Patents
A kind of SCM Based OLED static state displays drive device Download PDFInfo
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- CN107633811A CN107633811A CN201711034311.XA CN201711034311A CN107633811A CN 107633811 A CN107633811 A CN 107633811A CN 201711034311 A CN201711034311 A CN 201711034311A CN 107633811 A CN107633811 A CN 107633811A
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- oled display
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Abstract
The invention discloses a kind of SCM Based OLED static state displays drive device, including microcontroller, flash storage, OLED display and supply unit, microcontroller is connected through SPI interface with flash storage and OLED display respectively, the Enable Pin of microcontroller, clock end, first data input pin and the first data output end are connected with SPI interface respectively, realize the serial communication of microcontroller and SPI interface, the serial clock terminal of microcontroller, chip select terminal, second output end, second input and reset terminal respectively with SPI interface, realize the serial communication of microcontroller and OLED display, supply unit is connected with OLED display, for providing positive voltage and negative voltage for OLED display.The present invention is simple in construction, and cost is cheap, can not only accurately realize that static images are shown, ensures OLED display normal work, and can reduce the volume of OLED drive devices, suitable for the OLED display of any small volume.
Description
Technical field
The present invention relates to OLED display technology fields, more particularly to a kind of SCM Based OLED static state displays driving dress
Put.
Background technology
OLED（Organic Light Emitting Diode）A kind of new display device, have actively luminous, in light weight, thickness of thin,
The advantages of responding fast and efficiency high, can work under various adverse circumstances, obtained extensively in display technology field in recent years
Application.
Occurs the OLED of many small-medium sizes currently on the market, their driving interface device typically uses SPI
Full-color static state display under pattern, and realizing that static images are shown needs pre-stored image data, single-chip microcomputer internal processes space has
Limit, be not suitable for storage image data.In addition, OLED display, which also needs to grid bias power supply, provides bias, upper column selection wear down is vigilant
It can be switched off and on, existing OLED display screen uses two supply units, produces positive voltage and negative voltage respectively, so
Production cost is considerably increased, and adds the volume of drive device.
The content of the invention
, can not only be accurate it is an object of the invention to provide a kind of SCM Based OLED static state displays drive device
Realize that static images are shown, and positive voltage and negative voltage can be provided simultaneously for OLED, save production cost, and reduce
The volume of OLED drive devices.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of SCM Based OLED static state displays drive device, including microcontroller, flash storage and OLED are shown
Device, the microcontroller are connected through SPI interface with flash storage, and microcontroller is also through SPI interface and OLED display phase
Even, Enable Pin, clock end, the first data input pin and the first data output end of the microcontroller respectively with SPI interface phase
Even, the serial communication of microcontroller and SPI interface, the serial clock terminal of the microcontroller, chip select terminal, the second output are realized
End, the second input and reset terminal realize the serial communication of microcontroller and OLED display respectively with SPI interface.
Preferably, in addition to it is used for the supply unit that positive voltage and negative voltage are provided for OLED display, the power supply fills
Put and use booster, the 1 pin drain electrode through the first inductance Yu first switch pipe successively of booster, the first inductance and first switch
The common port of pipe is through the first capacity earth, and the source electrode of first switch pipe is through direct-current power supply earthing, the grid and liter of first switch pipe
7 pins of depressor are connected, and 5 pins of booster are connected with the source electrode of first switch pipe, and 5 pins of booster are also through the 3rd electric capacity
Ground connection, 4 pins of booster are connected through first resistor with 5 pins of booster, and 4 pins of booster also connect through the second electric capacity
Ground, 8 pins, 9 pins, 10 pins and 11 pins of booster are connected with 4 pins of booster respectively, and the 18 of the booster draws
Pin is through the 4th capacity earth, and 21 pins of booster are through the 5th capacity earth, and 23 pins of booster are through the first diode and liter
1 pin of depressor is connected, and 23 pins of booster also export positive voltage, and 22 pins of booster are through second resistance and booster
23 pins are connected, and second resistance both ends are parallel with the 6th electric capacity and 3rd resistor, and 22 pins of booster are successively through the 4th resistance
And the 7th electric capacity output positive voltage, the common end grounding of the 4th resistance and the 7th electric capacity, 17 pins of booster are through the 8th electric capacity
Ground connection, 17 pins of booster are also connected through the 5th resistance with 16 pins of booster, and 16 pins of booster are through the 6th resistance
It is connected with 15 pins of booster, the 6th resistance both ends are parallel with the 9th electric capacity and the 7th resistance, and 15 pins of booster are through
Two diodes are connected with 14 pins of booster, and 15 pins of booster also pass through through the tenth capacity earth, 14 pins of booster
Second inductance is grounded, and 14 pins of booster also export negative voltage through the second diode.
Preferably, first diode and the second diode use voltage-regulator diode.
Preferably, the booster uses TPS65130 series boosters.
Preferably, in addition to USB interface, the data receiver and data transmitting terminal phase of the USB interface and microcontroller
Even.
The present invention is sent to OLED display progress by the view data in microcomputer reads flash storage
It has been shown that, can efficiently solve existing single-chip microcomputer and asking for storage image is unable to caused by internal processes insufficient space
Topic, ensure that existing static images are stably shown, between microprocessor and flash storage and microprocessor and OLED display it
Between communicated using SPI interface, it is fast not only to transmit data, and strong antijamming capability.In addition, OLED display is also associated with
Supply unit, supply unit can produce positive voltage and negative voltage simultaneously, ensure OLED display normal work.Structure of the present invention
Simply, cost is cheap, can not only accurately realize that static images are shown, ensures OLED display normal work, and can drop
The volume of low OLED drive devices, suitable for the OLED display of any small volume.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the circuit theory diagrams of supply unit of the present invention.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described embodiment
Only section Example of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
Other all embodiments that art personnel are obtained on the premise of creative work is not made, belong to the protection model of the present invention
Enclose.
As shown in Figures 1 and 2, a kind of SCM Based OLED static state displays drive device of the present invention, including
Microcontroller, flash storage, OLED display, USB interface and supply unit, microcontroller are deposited through SPI interface and Flash
Reservoir is connected, and microcontroller is also connected through SPI interface with OLED display, Enable Pin, clock end, the first data of microcontroller
Input and the first data output end are connected with SPI interface respectively, realize the serial communication of microcontroller and SPI interface, micro-control
Serial clock terminal, chip select terminal, the second output end, the second input and the reset terminal of device processed realize microcontroller respectively with SPI interface
The serial communication of device and OLED display, USB interface are connected with the data receiver and data transmitting terminal of microcontroller, microprocessor
Device reads the view data in flash storage through SPI interface, and is sent to the i.e. achievable static images of OLED display and shows
Show；Supply unit is connected with OLED display, for providing positive voltage and negative voltage for OLED display.
Supply unit uses booster IC1, and in the present embodiment, booster IC1 uses TPS65130 series boosters, rises
The depressor IC1 1 pin INP drain electrodes through the first inductance L1 Yu first switch pipe Q1 successively, the first inductance L1 and first switch pipe
Q1 common port is grounded through the first electric capacity C1, and first switch pipe Q1 source electrode is grounded through dc source VCC, first switch pipe Q1's
Grid is connected with booster IC1 7 pin BSW, and booster IC1 5 pin INN are connected with first switch pipe Q1 source electrode, rises
Depressor IC1 5 pin INN are also grounded through the 3rd electric capacity C3, and booster IC1 4 pin VIN are through first resistor R1 and booster
IC1 5 pin INN are connected, and booster IC1 4 pin VIN are also grounded through the second electric capacity C2, booster IC1 8 pin ENP, 9
Pin PSP, 10 pin ENN and 11 pin PSN are connected with booster IC1 4 pin VIN respectively, booster IC1 18 pin CN
It is grounded through the 4th electric capacity C4, booster IC1 21 pin CP are grounded through the 5th electric capacity C5, booster IC1 23 pin VPOS warps
First voltage-regulator diode D1 is connected with booster IC1 1 pin INP, booster IC1 23 pin VPOS output positive voltage V1,
Booster IC1 22 pin FBP are connected through second resistance R2 with booster IC1 23 pin VPOS, and second resistance R2 both ends are simultaneously
The 6th electric capacity C6 and 3rd resistor R3 is associated with, booster IC1 22 pin FBP are defeated through the 4th resistance R4 and the 7th electric capacity C7 successively
Go out positive voltage V1, the 4th resistance R4 and the 7th electric capacity C7 common end grounding, booster IC1 17 pin VREF are through the 8th electric capacity
C8 is grounded, and booster IC1 17 pin VREF are also connected through the 5th resistance R5 with booster IC1 16 pin FBN, booster
IC1 16 pin FBN are connected through the 6th resistance R6 with booster IC1 15 pin VENG, and the 6th resistance R6 both ends are parallel with
Nine electric capacity C9 and the 7th resistance R7, booster IC1 15 pin VENG draw through the second voltage-regulator diode D2 with the 14 of booster IC1
Pin OUTN is connected, and booster IC1 15 pin VENG are also grounded through the tenth electric capacity C10, and booster IC1 14 pin OUTN are through the
Two inductance L2 are grounded, and booster IC1 14 pin OUTN also export negative voltage V2 through the second voltage-regulator diode D2.
The present invention is simple in construction, and cost is cheap, can not only accurately realize that static images are shown, is ensureing OLED display just
Often work, and the volume of OLED drive devices can be reduced, suitable for the OLED display of any small volume.
Claims (5)
- A kind of 1. SCM Based OLED static state displays drive device, it is characterised in that：Stored including microcontroller, Flash Device and OLED display, the microcontroller are connected through SPI interface with flash storage, microcontroller also through SPI interface with OLED display is connected, Enable Pin, clock end, the first data input pin and the first data output end difference of the microcontroller It is connected with SPI interface, realizes the serial communication of microcontroller and SPI interface, the serial clock terminal of the microcontroller, piece choosing End, the second output end, the second input and reset terminal with SPI interface, realize the serial of microcontroller and OLED display respectively Communication.
- A kind of 2. SCM Based OLED static state displays drive device as claimed in claim 1, it is characterised in that：Also include For providing the supply unit of positive voltage and negative voltage for OLED display, the supply unit uses booster, and the 1 of booster The pin drain electrode through the first inductance Yu first switch pipe successively, the common port of the first inductance and first switch pipe connect through the first electric capacity Ground, the source electrode of first switch pipe are connected through direct-current power supply earthing, the grid of first switch pipe with 7 pins of booster, booster 5 pins be connected with the source electrode of first switch pipe, 5 pins of booster are also through the 3rd capacity earth, and 4 pins of booster are through One resistance is connected with 5 pins of booster, 4 pins of booster also through the second capacity earth, 8 pins of booster, 9 pins, 10 pins and 11 pins are connected with 4 pins of booster respectively, and 18 pins of the booster are through the 4th capacity earth, booster 21 pins be connected through the 5th capacity earth, 23 pins of booster through the first diode with 1 pin of booster, booster 23 pins also export positive voltage, and 22 pins of booster are connected through second resistance with 23 pins of booster, second resistance both ends The 6th electric capacity and 3rd resistor are parallel with, 22 pins of booster export positive voltage through the 4th resistance and the 7th electric capacity successively, the The common end grounding of four resistance and the 7th electric capacity, 17 pins of booster also pass through through the 8th capacity earth, 17 pins of booster 5th resistance is connected with 16 pins of booster, and 16 pins of booster are connected through the 6th resistance with 15 pins of booster, the Six resistance both ends are parallel with the 9th electric capacity and the 7th resistance, 14 pins of 15 pins through the second diode and booster of booster It is connected, 15 pins of booster are also grounded through the tenth capacity earth, 14 pins of booster through the second inductance, and the 14 of booster draws Pin also exports negative voltage through the second diode.
- A kind of 3. SCM Based OLED static state displays drive device as claimed in claim 2, it is characterised in that：Described One diode and the second diode use voltage-regulator diode.
- A kind of 4. SCM Based OLED static state displays drive device as claimed in claim 2, it is characterised in that：The liter Depressor uses TPS65130 series boosters.
- A kind of 5. SCM Based OLED static state displays drive device as claimed in claim 4, it is characterised in that：Also include USB interface, the USB interface are connected with the data receiver and data transmitting terminal of microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034311.XA CN107633811A (en) | 2017-10-30 | 2017-10-30 | A kind of SCM Based OLED static state displays drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711034311.XA CN107633811A (en) | 2017-10-30 | 2017-10-30 | A kind of SCM Based OLED static state displays drive device |
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| Publication Number | Publication Date |
|---|---|
| CN107633811A true CN107633811A (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711034311.XA Withdrawn CN107633811A (en) | 2017-10-30 | 2017-10-30 | A kind of SCM Based OLED static state displays drive device |
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| CN (1) | CN107633811A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152163A (en) * | 2018-06-26 | 2019-01-04 | 珠海全志科技股份有限公司 | The control method and device of breath light in a kind of non real-time system |
| CN109669885A (en) * | 2018-11-01 | 2019-04-23 | 广州市中海达测绘仪器有限公司 | OLED display driving system, method and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130003230A1 (en) * | 2011-06-28 | 2013-01-03 | Rohm Co., Ltd. | Power supply system for a display panel |
-
2017
- 2017-10-30 CN CN201711034311.XA patent/CN107633811A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130003230A1 (en) * | 2011-06-28 | 2013-01-03 | Rohm Co., Ltd. | Power supply system for a display panel |
Non-Patent Citations (3)
| Title |
|---|
| TEXAS INSTRUMENTS: "《TPS65130》", 《TEXAS INSTRUMENTS INCORPORATED》 * |
| 傅勇: "《基于单片机的全彩OLED静态显示驱动接口电路》", 《电视技术》 * |
| 无: "有正负电压输出的OLED显示器电源器件TPS65130", 《电子元器件应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109152163A (en) * | 2018-06-26 | 2019-01-04 | 珠海全志科技股份有限公司 | The control method and device of breath light in a kind of non real-time system |
| CN109152163B (en) * | 2018-06-26 | 2020-06-02 | 珠海全志科技股份有限公司 | Control method and device for breathing lamp in non-real-time system |
| CN109669885A (en) * | 2018-11-01 | 2019-04-23 | 广州市中海达测绘仪器有限公司 | OLED display driving system, method and storage medium |
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Application publication date: 20180126 |