CN109389936A - Matrix LED controls display device - Google Patents

Matrix LED controls display device Download PDF

Info

Publication number
CN109389936A
CN109389936A CN201811522195.0A CN201811522195A CN109389936A CN 109389936 A CN109389936 A CN 109389936A CN 201811522195 A CN201811522195 A CN 201811522195A CN 109389936 A CN109389936 A CN 109389936A
Authority
CN
China
Prior art keywords
led
triode
control module
resistance
connect
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811522195.0A
Other languages
Chinese (zh)
Inventor
雷志强
陈翔
蔡莹
朱旗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Key System and Integrated Circuit Co Ltd
Original Assignee
China Key System and Integrated Circuit Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Key System and Integrated Circuit Co Ltd filed Critical China Key System and Integrated Circuit Co Ltd
Priority to CN201811522195.0A priority Critical patent/CN109389936A/en
Publication of CN109389936A publication Critical patent/CN109389936A/en
Pending legal-status Critical Current

Links

Classifications

    • 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]

Landscapes

  • 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)
  • Control Of El Displays (AREA)

Abstract

The present invention relates to a kind of matrix LEDs to control display device, characterized in that includes: LED array, the LED array constitutes matrix array by the light emitting diode that m column and n row ranks join；LED array control module, the anode for controlling light emitting diode are connected；LED row control module, the cathode for controlling light emitting diode are connected；And micro controller module, the micro controller module are connect with LED array control module and LED row control module respectively, for the driving signal of LED array control module and row control module, provide the logical signal that corresponding position LED is shown.The present invention is controlled LED by the way of matrix and shown, is controlled more LED using less single-chip microcontroller pin, is realized that a variety of simple graphs are shown.

Description

Matrix LED controls display device
Technical field
The present invention relates to a kind of display device, especially a kind of matrix LED controls display device.
Background technique
Matrix LED is by largely on large-scale display board, the control mode of current matrix formula LED is generally using control System processed realizes intelligent control.However, realizing the display of a variety of simple graphs, Yi Jigen how by easier ground structure The brightness-adjustable grade for changing LED according to user demand, is a problem to be solved.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of matrix LED control display device is provided, LED is controlled by the way of matrix to show, is controlled more LED using less single-chip microcontroller pin, is realized a variety of simple graphs Display.
According to technical solution provided by the invention, the matrix LED controls display device, characterized in that includes:
LED array, the LED array constitute matrix array by the light emitting diode that m column and n row ranks join；
LED array control module, the anode for controlling light emitting diode are connected；
LED row control module, the cathode for controlling light emitting diode are connected；
And micro controller module, the micro controller module are connect with LED array control module and LED row control module respectively, For the driving signal of LED array control module and row control module, the logical signal that corresponding position LED is shown is provided.
Further, the LED array control module includes m column control circuit, and every road control circuit includes resistance Rm1, resistance Rm2, triode Qm1With triode Qm2, triode Qm1Base stage connect resistance Rm1One end and resistance Rm2One end, triode Qm1 Emitter connect 12V voltage, resistance Rm1The other end connect 12V voltage, triode Qm1Collector connect light emitting diode DmnAnode, resistance Rm2Other end connecting triode Qm2Collector, triode Qm2Base stage connect micro controller module, Triode Qm2Emitter ground connection.
Further, the LED row control module includes n line control circuit, and every road control circuit includes triode QnWith Resistance Rn, triode QnBase stage connect micro controller module, triode QnEmitter ground connection, triode QnCollector connect Connecting resistance RnOne end, resistance RnThe other end connect light emitting diode DmnCathode.
The invention has the following advantages that
(1) present invention controls LED by the way of matrix and shows, controls more LED using less single-chip microcontroller pin；
(2) present invention can be laid out according to the difference of LED, realize that a variety of simple graphs are shown or numeral method lamp；
(3) present invention can be with each LED of independent control, and can change the brightness of each LED.
Detailed description of the invention
Fig. 1 is the functional block diagram that matrix LED of the present invention controls display device.
Fig. 2 is the circuit diagram that matrix LED of the present invention controls display device.
Description of symbols: 1- micro controller module, 2-LED column control module, 3-LED row control module, 4-LED gusts Column.
Specific embodiment
Below with reference to specific attached drawing, the invention will be further described.
As shown in Figure 1, matrix LED control display device of the present invention includes micro controller module 1, LED array control Module 2, LED row control module 3 and LED array 4；Wherein,
The light emitting diode D that the LED array 4 is joined by m column and n row ranks11~DmnConstitute matrix array；
The LED array control module 2 is connect with micro controller module 1, and the anode for controlling light emitting diode is connected；
The LED row control module 3 is connect with micro controller module 1, and the cathode for controlling light emitting diode is connected；
The micro controller module 1 is connect with LED array control module 2 and LED row control module 3 respectively, controls mould for LED array The driving signal of block 2 and row control module 3 provides the logical signal that corresponding position LED is shown.
Specifically, as shown in Fig. 2, the micro controller module 1 uses MCU；
The LED array control module 2 includes m column control circuit, and every road control circuit includes resistance Rm1, resistance Rm2, triode Qm1 With triode Qm2, triode Qm1Base stage connect resistance Rm1One end and resistance Rm2One end, triode Qm1Emitter connect Meet 12V voltage, resistance Rm1The other end connect 12V voltage, triode Qm1Collector connect light emitting diode DmnAnode, Resistance Rm2Other end connecting triode Qm2Collector, triode Qm2Base stage connect micro controller module 1, triode Qm2 Emitter ground connection；
The LED row control module 3 includes n line control circuit, and every road control circuit includes triode QnWith resistance Rn, triode QnBase stage connect micro controller module 1, triode QnEmitter ground connection, triode QnCollector connect resistance RnOne End, resistance RnThe other end connect light emitting diode DmnCathode.
The working principle of matrix LED control display device of the present invention:
With light emitting diode D11For illustrate LED control light on and off logic；As triode Q12Base stage to high level when, Q12 Conducting, so that triode Q11Conducting, light emitting diode D11Anode and power supply connect；As triode Q1Base stage to high level When, Q1Conducting, light emitting diode D11Cathode be connected to ground after a current-limiting resistance so that light emitting diode D11It lights. LED matrix control for m row n column, carries out control using rank scanning mode and shows.
The every 100 μ s of the present invention carries out single pass to row, after every row scans 5 times, scans next column, is swept every time by control When retouching row, the light on and off of LED, to control the brightness of LED, one to share 10 grades of brightness adjustable.Every row can also be modified according to user demand The number of scanning changes the brightness-adjustable grade of LED.

Claims (3)

1. a kind of matrix LED controls display device, characterized in that include:
LED array (4), the LED array (4) constitute matrix array by the light emitting diode that m column and n row ranks join；
LED array control module (2), the anode for controlling light emitting diode are connected；
LED row control module (3), the cathode for controlling light emitting diode are connected；
And micro controller module (1), the micro controller module (1) control with LED array control module (2) and LED row respectively Module (3) connection, is used for the driving signal of LED array control module (2) and row control module (3), provides corresponding position LED and show Logical signal.
2. matrix LED as described in claim 1 controls display device, it is characterized in that: the LED array control module (2) is wrapped M column control circuit is included, every road control circuit includes resistance Rm1, resistance Rm2, triode Qm1With triode Qm2, triode Qm1Base Pole connects resistance Rm1One end and resistance Rm2One end, triode Qm1Emitter connect 12V voltage, resistance Rm1The other end Connect 12V voltage, triode Qm1Collector connect light emitting diode DmnAnode, resistance Rm2Other end connecting triode Qm2Collector, triode Qm2Base stage connect micro controller module (1), triode Qm2Emitter ground connection.
3. matrix LED as described in claim 1 controls display device, it is characterized in that: the LED row control module (3) is wrapped N line control circuit is included, every road control circuit includes triode QnWith resistance Rn, triode QnBase stage connect micro controller module (1), triode QnEmitter ground connection, triode QnCollector connect resistance RnOne end, resistance RnThe other end connect hair Optical diode DmnCathode.
CN201811522195.0A 2018-12-13 2018-12-13 Matrix LED controls display device Pending CN109389936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811522195.0A CN109389936A (en) 2018-12-13 2018-12-13 Matrix LED controls display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811522195.0A CN109389936A (en) 2018-12-13 2018-12-13 Matrix LED controls display device

Publications (1)

Publication Number Publication Date
CN109389936A true CN109389936A (en) 2019-02-26

Family

ID=65429216

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811522195.0A Pending CN109389936A (en) 2018-12-13 2018-12-13 Matrix LED controls display device

Country Status (1)

Country Link
CN (1) CN109389936A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189685A (en) * 2019-05-09 2019-08-30 深圳市创维群欣安防科技股份有限公司 A kind of LED drive circuit, driving device and driving method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522063A (en) * 2011-12-05 2012-06-27 杭州士兰控股有限公司 LED (light-emitted diode) display system capable of eliminating dynamic LED display ghost
CN102708802A (en) * 2012-06-15 2012-10-03 开源集成电路(苏州)有限公司 Light emitting diode (LED) display system
CN102723056A (en) * 2012-06-01 2012-10-10 深圳市明微电子股份有限公司 LED display panel driving method, device, display system and equipment
CN103198791A (en) * 2013-03-22 2013-07-10 深圳市天微电子有限公司 Light-emitting diode (LED) display device
CN204946513U (en) * 2015-08-26 2016-01-06 佛山市顺德区美的电热电器制造有限公司 A kind of display control circuit and household electrical appliance
CN106486052A (en) * 2015-08-26 2017-03-08 佛山市顺德区美的电热电器制造有限公司 A kind of display control circuit and method and the household electrical appliance of display control are carried out using display control circuit
CN106559931A (en) * 2015-09-29 2017-04-05 株式会社理光 Led matrix control circuit
CN207022256U (en) * 2017-07-17 2018-02-16 郑州众智科技股份有限公司 A kind of matrix LED drive circuit of indicator
CN207397672U (en) * 2017-11-01 2018-05-22 无锡华润矽科微电子有限公司 Integrated led drive circuit structure and corresponding led display system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522063A (en) * 2011-12-05 2012-06-27 杭州士兰控股有限公司 LED (light-emitted diode) display system capable of eliminating dynamic LED display ghost
CN102723056A (en) * 2012-06-01 2012-10-10 深圳市明微电子股份有限公司 LED display panel driving method, device, display system and equipment
CN102708802A (en) * 2012-06-15 2012-10-03 开源集成电路(苏州)有限公司 Light emitting diode (LED) display system
CN103198791A (en) * 2013-03-22 2013-07-10 深圳市天微电子有限公司 Light-emitting diode (LED) display device
CN204946513U (en) * 2015-08-26 2016-01-06 佛山市顺德区美的电热电器制造有限公司 A kind of display control circuit and household electrical appliance
CN106486052A (en) * 2015-08-26 2017-03-08 佛山市顺德区美的电热电器制造有限公司 A kind of display control circuit and method and the household electrical appliance of display control are carried out using display control circuit
CN106559931A (en) * 2015-09-29 2017-04-05 株式会社理光 Led matrix control circuit
CN207022256U (en) * 2017-07-17 2018-02-16 郑州众智科技股份有限公司 A kind of matrix LED drive circuit of indicator
CN207397672U (en) * 2017-11-01 2018-05-22 无锡华润矽科微电子有限公司 Integrated led drive circuit structure and corresponding led display system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110189685A (en) * 2019-05-09 2019-08-30 深圳市创维群欣安防科技股份有限公司 A kind of LED drive circuit, driving device and driving method

Similar Documents

Publication Publication Date Title
CN106376143B (en) A kind of circuit of the multiple LED pixel points of single channel constant current drive control
CN102149235A (en) PWM (pulse-width modulation) duty ratio adjusting and LED (light-emitting diode) indicating circuit
CN201344454Y (en) Traffic light with variable patterns
CN203136242U (en) LED constant-current circuit with PWM light modulation
CN201887979U (en) Multicolor light emitting diode (LED) lamp control system
CN109389936A (en) Matrix LED controls display device
CN202425163U (en) Input voltage adaptive circuit for LED (Light Emitting Diode) light source
CN201638533U (en) LED backlight display control equipment
CN102811524A (en) LED lamp and control circuit thereof
CN201177194Y (en) Novel LED road lamp
CN2649942Y (en) Multi-colour LED light source decorative lamp
CN201750588U (en) Pulse-width modulation (PWM) duty ratio adjusting and LED indicating circuit
CN106507545B (en) Airplane multicolor temperature and brightness adjustable LED illumination intelligent control system
CN201995176U (en) LED lighting drive circuit
CN201708993U (en) Desk lamp control system and lamp fixture
CN204926527U (en) Traffic signal lamp with adjustting of lighteness function
CN201462666U (en) Meteor lamp
CN204190990U (en) Wireless intelligence controlled dimming system
CN2649940Y (en) Solar multi-colour LED light source lamp
CN204669657U (en) For the control circuit of driving at night lamp and stop lamp
CN202310197U (en) Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp
CN202514106U (en) LED control panel and LED lamp
CN203703661U (en) LED (Light Emitting Diode) plant lighting light source module
CN201708992U (en) Intelligent dimming circuit and lamp
CN210466729U (en) Traffic light drive control circuit based on singlechip

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 04-6 Block (100 Dicui Road), 9 buildings and 2 floors

Applicant after: ZHONGKEXIN INTEGRATED CIRCUIT Co.,Ltd.

Address before: 214000 Liyuan Development Zone, Binhu District, Wuxi City, Jiangsu Province, 04-6 Block (100 Dicui Road), 9 buildings and 2 floors

Applicant before: CHINA KEY SYSTEM & INTEGRATED CIRCUIT Co.,Ltd.

CB02 Change of applicant information
RJ01 Rejection of invention patent application after publication

Application publication date: 20190226

RJ01 Rejection of invention patent application after publication