CN103345904A - LED full color display screen control system - Google Patents
LED full color display screen control system Download PDFInfo
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- CN103345904A CN103345904A CN2013103038612A CN201310303861A CN103345904A CN 103345904 A CN103345904 A CN 103345904A CN 2013103038612 A CN2013103038612 A CN 2013103038612A CN 201310303861 A CN201310303861 A CN 201310303861A CN 103345904 A CN103345904 A CN 103345904A
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Abstract
The invention relates to an LED full color display screen control system. The LED full color display screen control system comprises an LED controller 10, an external control system 20 and a display lamp panel 1, wherein the LED controller 10 is connected with the external control system 20. The LED full color display screen control system further comprises the display lamp panel and a surface shield. Each LED display module comprises a full color LED lighting set. In each LED display module, a driving chip and a decoding chip are both arranged between a signal input port and the full color LED lighting set in a connecting mode. A plurality of switch MOS transistor chips, a plurality of constant current chips and a data interface chip which is formed by a signal amplifier and a decoder are further arranged on the display lamp panel. The data interface chip is connected with the switch MOS transistor chips. By adoption of the scheme, the LED controller is designed, therefore, an LED display scheme can be edited and controlled conveniently, and the LED full color display screen control system has high market application value.
Description
Technical field
The present invention relates to a kind of LED full color display, what be specifically related to is a kind of LED full color display control system, be mainly used in solving present full-color LED display screen and adopt display board and drive plate separate design, existing cost height, poor stability, the problem that product is thick.
Background technology
The full-color outdoor unit plate of dot spacing less (10mm) in the market, because the arranging density of LED lamp is bigger, and the cloth board space of leaving driving circuit for is very little, therefore needs to adopt to show lamp plate and drive plate separated structures, drive plate is carried out circuit by socket with the demonstration lamp plate be connected.Though this isolating construction is fairly simple when design PCB, but when using, reality conducts electricity owing to socket adopts the machinery contact, out of doors in the environment, usually can loose contact occur and cause the problem that cell board can't operate as normal, thereby influence the normal use of entire display screen; And owing to born a drive plate in demonstration lamp plate back, will inevitably increase the manufacturing cost of PCB and the weight of cell board, also increase the thickness of cell board, thereby had influence on thickness and the weight of whole demonstration casing, increased the difficulty of transportation installation cost and mounting structure.
Summary of the invention
In order to address the above problem, the invention provides a kind of LED full color display control system.
A kind of LED full color display control system, comprise led controller 10, external control system 20, show lamp plate 1, led controller 10 is connected with external control system 20, show lamp plate l and be fixedly mounted on the face shield 2 that shows on the lamp plate 1, show that lamp plate 1 is provided with a plurality of DIP packaged LEDs and shows module 101, each described LED shows that module 101 comprises all-colour LED lamp group 11, drive chip MBl5024, coding chip MBl5024, signal input interface 14, signal output interface 15 and power interface 16, show in the module 101 at each described LED, drive chip 12 and coding chip 13 and all be connected between signal input interface and the all-colour LED lamp group, it is characterized in that: described led controller lO arranges coding module, load module, processing module, display module and output module; Described display module is connected with described coding module, and described output module is connected with external control system; Also be provided with a plurality of switch MOS dies 103, a plurality of constant current chip 104 and a data-interface chip 102 that is constituted by signal amplifier and code translator on the described demonstration lamp plate 1, described data-interface chip 102 is connected with switch MOS die 103, described switch MOS die 103 shows that with the DIP packaged LED positive pole of module 101 is connected, and is used for control the DIP packaged LED is shown module 101 power supplies; Described constant current chip 104 shows that with the DIP packaged LED negative pole of module 101 is connected, and is used for the working current that regulating and controlling DIP packaged LED shows module 101.Described signal input interface 14 is connected with external control system 20.
Adopt such scheme, the present invention is convenient to editor, control by the design led controller, in response to different LED illumination schemes and LED displaying scheme, design and the application of rapid adjustment LED display controller are widely used in LED and show the control field, have very high market using value.
The present invention is by being arranged on the data-interface chip that shows on the lamp plate, with the corresponding input of the drive control signal of input, and amplify input control signal, the control metal-oxide-semiconductor is the power supply of DIP packaged LED lamp, thereby make the work of LED lamp, realized showing the drives of lamp plate.Compared with prior art, the present invention is hardened driving circuit and display lamp and is integrated, and has solved present full-color LED display screen and has adopted display board and drive plate separate design, has cost height, poor stability, problem that product is thick.
Description of drawings
Fig. 1: cascade synoptic diagram of the present invention;
Fig. 2: structural representation of the present invention;
Fig. 3: led controller structural drawing of the present invention;
Fig. 4: demonstration lamp plate schematic appearance of the present invention.
1. demonstration lamp plate, 2. lampshade, 10.LED controller, 11. all-colour LED lamp group, 12. drive chip, 13. coding chips, 14. signal input interface, 15. signal output interfaces, 16. power interfaces, the 20-external control system, 30-external switch power supply, 101.LED shows module, 102-data-interface chip, 103. switch MOS dies, the impossible stream chip of 104-', 105. signal input port, 106-signal output port, 201. lamp holes.
Embodiment
The embodiment that sets forth below represents and allows those skilled in the art to put into practice necessary information of the present invention, and illustrates and put into practice best mode of the present invention.In case read following description with reference to the accompanying drawings, those skilled in the art just will understand design of the present invention and will recognize the application of these designs of not illustrating especially herein.Should be appreciated that these designs and application fall into the scope of disclosure and the accompanying claims book.
Shown in Fig. 1 .2, a kind of LED full color display control system of present embodiment comprises that a plurality of LED show module 101, a plurality of LED show that module 101 links to each other successively with cascade system, wherein first LED shows that module 101 links to each other to receive the control signal of external control system 20 with external control system 20, and described external control system 20 can be computing machine.LED shows what module 101 linked to each other with external control system 20.Each LED shows that module 101 includes all-colour LED lamp group 11, drives chip MBl5024, coding chip 74HCl38, signal input interface 14, signal output interface 15 and power interface 16, the model that wherein drives chip 12 is selected MBl5024 for use, and the model of coding chip 13 is selected 74HCl38 for use.Show in the module 101 that at each LED drive chip 12 and coding chip 13 and all be connected between signal input interface 14 and the all-colour LED lamp group 11, power interface 16 is connected to external switch power supply 30, thereby show module 101 power supplies by this Switching Power Supply 30 for LED.Show module 101 for this LED, its signal input interface 14 links to each other with external control system 20, and its signal output interface 15 shows that with next LED the signal input interface of module 101 links to each other.This LED shows that the signal input interface 14 received signals from external control system 20 of module 101 include clock signal clk, latch signal LAT, enable signal OE, full-color signal w and row signal A \ B \ C \ D, and these signals all flow to next LED by signal output interface 15 and show module 101.Wherein, clock signal clk, latch signal LAT, enable signal OE, full-color signal w flow to and drive chip 12, drive the size of current that chip 12 is exported to all-colour LED lamp group 11 to change, thus the gray scale of control LED lamp; And row signal A B C D flow to coding chip 13, make the dynamic scan that coding chip 13 is realized every capable LED.
Show that lamp plate 1 is provided with a plurality of DIP packaged LEDs and shows module 101, and each DIP packaged LED demonstration module 101 is made up of red, blue, green three LED; Face shield 2 is provided with the DIP packaged LED and shows the lamp hole 201 that module lOl quantity is identical, the position is corresponding, and the DIP packaged LED shows that module 10l correspondence is arranged in lamp hole 201.
Be provided with a signal input port 105, a signal output port 106, data interface chip 102, a plurality of switch MOS die 103 and an a plurality of constant current chip 104 in the slit on showing lamp plate 1 between the DIP packaged LED demonstration module 10l; Wherein the quantity of switch MOS die 103, constant current chip 104 and DIP packaged LED show the corresponding coupling of quantity of module 101; Signal input port 105 is connected with data-interface chip 102, is used for the input drive control signal; Data-interface chip 102 is connected with signal output port 106, can be connected to the next lamp plate that shows by signal output port 106.
Wherein data-interface chip 102 is actual is 4538 chips, constituted by 45 signal amplifiers and 38 code translators, signal input port 105 is connected with data-interface chip 102, be used for input signal and give data-interface chip 102, by 45 signal amplifiers in the data-interface chip 102 signal is amplified, signal branch multichannel after 38 code translators will amplify is then exported to switch MOS die 103, this switch MOS die 103 is the 4953MOS pipe, its correspondence is connected to the positive pole that the DIP packaged LED shows module 101, is used for the DIP packaged LED is shown module 10l power supply; The DIP packaged LED shows that the negative pole of module 101 is connected to constant current chip 104, and this constant current chip 104 is connected with data-interface chip 102, shows the electric current of module 101 by the DIP packaged LED according to the corresponding regulating and controlling of signal of data-interface chip 102 inputs.
At first power supply is imported the full-color display unit plate of LED, show that lamp plate 1 is in holding state, when drive control signal is imported, by 45 signal amplifiers in the data-interface chip 102 signal is amplified, and corresponding show module 101 power supplies by switch MOS die 103 for the DIP packaged LED, and the working currents by constant current chip 104 corresponding adjusting DIP packaged LEDs demonstration modules 101.
As shown in Figure 3; The load module of described led controller 10 is used for receiving the input signal that includes described LED cell board title; Have LED cell board title in the input signal, like this, the supvr can directly specify a certain LED cell board when editor's broadcast information, concerning the supvr, very convenient and directly perceived; Generate input signal after the editor, be transferred to described load module.Preferably, described load module is wireless receiving module, and wireless remote receives the input signal that includes described LED cell board title; Perhaps, described load module arranges USB port, adopts the USB transmission mode to receive the input signal that includes described LED cell board title.
Described processing module is connected with described coding module, described load module respectively, be used for receiving and analyzing described input signal, generate the initial data that show, read described corresponding tables, the information of described LED cell board position is joined described initial demonstration data, obtain revising the demonstration data, send to connected described LED cell board.Preferably, described display module also is connected with described load module, described processing module respectively, is used for showing the control operation of described control device.An example is that described processing module arranges receiving element, analytic unit, synthesis unit and output unit; Described receiving element is connected with described load module, receives described input signal; Described analytic unit is connected with described receiving element, analyzes described input signal, generates the initial data that show; Described synthesis unit is connected with described analytic unit, described coding module respectively, reads described corresponding tables, and the information of described LED cell board position is joined described initial demonstration data, obtains revising showing data; Described output unit is connected with described synthesis unit, and described modification is shown that data send to the described LED cell board that is connected with described LED control panel.
The present invention is by showing that lamp plate arranges the data-interface chip, with the corresponding input of the drive control signal of input, the work of control DIP packaged LED lamp, realized showing the drives of lamp plate, driving circuit and display lamp are hardened to be integrated, solve present full-color LED display screen and adopted display board and drive plate separate design, had cost height, poor stability, problem that product is thick.
Obviously, above-described embodiment only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (1)
1. LED full color display control system, comprise led controller (10), external control system (20), show lamp plate (1), led controller (10) is connected with external control system (20), show lamp plate (1) and be fixedly mounted on the face shield (2) that shows on the lamp plate (1), show that lamp plate (1) is provided with a plurality of DIP packaged LEDs and shows module (101), each described LED shows that module (101) comprises all-colour LED lamp group (11), drive chip MBl5024 (12), coding chip 74HCl38 (13), signal input interface (14), signal output connects (15) mouth and power interface (16), show in the module (101) at each described LED, drive chip (12) and coding chip (13) and all be connected between signal input interface (14) and the all-colour LED lamp group (youngster), it is characterized in that: described led controller (10) arranges coding module, load module, processing module, display module and output module; Described display module is connected with described coding module, and described output module is connected with external control system (20); Also be provided with a plurality of switch MOS dies (103), a plurality of constant current chip (104) and a data-interface chip (102) that is constituted by signal amplifier and code translator on the described demonstration lamp plate (1), described data-interface chip (102) is connected with switch MOS die (103), described switch MOS die (103) shows that with the DIP packaged LED positive pole of module (101) is connected, and is used for control the DIP packaged LED is shown module (101) power supply; Described constant current chip (104) shows that with the DIP packaged LED negative pole of module (101) is connected, and is used for the working current that regulating and controlling DIP packaged LED shows module (101); Described signal input interface (14) is connected with external control system (20).
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| CN2013103038612A CN103345904A (en) | 2013-07-18 | 2013-07-18 | LED full color display screen control system |
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| CN2013103038612A CN103345904A (en) | 2013-07-18 | 2013-07-18 | LED full color display screen control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533727A (en) * | 2013-10-12 | 2014-01-22 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) light panel and LED display screen system |
| CN104992675A (en) * | 2015-07-30 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Led lamp panel |
| CN107358908A (en) * | 2017-05-22 | 2017-11-17 | 福建祥云光电科技有限公司 | A kind of P5.75 patterns LED display |
| CN109509426A (en) * | 2019-01-07 | 2019-03-22 | 山西高科华瑞电子科技有限公司 | The LED display of more mouthfuls of output receives card |
| CN110379367A (en) * | 2019-08-12 | 2019-10-25 | 扬州通信设备有限公司 | The driving plate of OLED display screen |
| CN114648945A (en) * | 2021-03-29 | 2022-06-21 | 武汉奕呈科技有限公司 | LED display unit with high contrast and high color restoration |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039354Y (en) * | 2007-04-29 | 2008-03-19 | 青岛海信电器股份有限公司 | A low-power consumption circuit |
| CN201285632Y (en) * | 2008-10-30 | 2009-08-05 | 深圳市洲明科技有限公司 | LED display panel |
| CN201323037Y (en) * | 2008-11-25 | 2009-10-07 | 深圳市洲明科技有限公司 | LED display screen |
| US20110063510A1 (en) * | 2009-09-16 | 2011-03-17 | Samsung Electronics Co., Ltd. | Method and apparatus for providing additional information through display |
| US20120038287A1 (en) * | 2010-08-10 | 2012-02-16 | Hung-Chun Li | Lighting system, dimming control apparatus and dimming control method |
| CN202796004U (en) * | 2012-09-07 | 2013-03-13 | 深圳市易事达电子股份有限公司 | Light-emitting diode (LED) display screen controller |
| CN202855263U (en) * | 2012-10-09 | 2013-04-03 | 深圳市创彩源电子科技有限公司 | Outdoor full-color LED display unit board |
| CN202905112U (en) * | 2012-08-03 | 2013-04-24 | 晋江市晶鑫电子技术有限公司 | Light emitting diode (LED) full-color display screen |
| CN203013168U (en) * | 2012-12-14 | 2013-06-19 | 深圳市九洲光电科技有限公司 | Light-emitting diode (LED) display screen |
| CN203325413U (en) * | 2013-07-18 | 2013-12-04 | 邯郸市天之虹光电科技有限公司 | Full-color LED display screen control system |
-
2013
- 2013-07-18 CN CN2013103038612A patent/CN103345904A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039354Y (en) * | 2007-04-29 | 2008-03-19 | 青岛海信电器股份有限公司 | A low-power consumption circuit |
| CN201285632Y (en) * | 2008-10-30 | 2009-08-05 | 深圳市洲明科技有限公司 | LED display panel |
| CN201323037Y (en) * | 2008-11-25 | 2009-10-07 | 深圳市洲明科技有限公司 | LED display screen |
| US20110063510A1 (en) * | 2009-09-16 | 2011-03-17 | Samsung Electronics Co., Ltd. | Method and apparatus for providing additional information through display |
| US20120038287A1 (en) * | 2010-08-10 | 2012-02-16 | Hung-Chun Li | Lighting system, dimming control apparatus and dimming control method |
| CN202905112U (en) * | 2012-08-03 | 2013-04-24 | 晋江市晶鑫电子技术有限公司 | Light emitting diode (LED) full-color display screen |
| CN202796004U (en) * | 2012-09-07 | 2013-03-13 | 深圳市易事达电子股份有限公司 | Light-emitting diode (LED) display screen controller |
| CN202855263U (en) * | 2012-10-09 | 2013-04-03 | 深圳市创彩源电子科技有限公司 | Outdoor full-color LED display unit board |
| CN203013168U (en) * | 2012-12-14 | 2013-06-19 | 深圳市九洲光电科技有限公司 | Light-emitting diode (LED) display screen |
| CN203325413U (en) * | 2013-07-18 | 2013-12-04 | 邯郸市天之虹光电科技有限公司 | Full-color LED display screen control system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103533727A (en) * | 2013-10-12 | 2014-01-22 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) light panel and LED display screen system |
| CN103533727B (en) * | 2013-10-12 | 2015-04-15 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) light panel and LED display screen system |
| CN104992675A (en) * | 2015-07-30 | 2015-10-21 | 西安诺瓦电子科技有限公司 | Led lamp panel |
| CN107358908A (en) * | 2017-05-22 | 2017-11-17 | 福建祥云光电科技有限公司 | A kind of P5.75 patterns LED display |
| CN109509426A (en) * | 2019-01-07 | 2019-03-22 | 山西高科华瑞电子科技有限公司 | The LED display of more mouthfuls of output receives card |
| CN110379367A (en) * | 2019-08-12 | 2019-10-25 | 扬州通信设备有限公司 | The driving plate of OLED display screen |
| CN114648945A (en) * | 2021-03-29 | 2022-06-21 | 武汉奕呈科技有限公司 | LED display unit with high contrast and high color restoration |
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Application publication date: 20131009 |