CN206380123U - A kind of LED drive controls circuit and LED matrix - Google Patents
A kind of LED drive controls circuit and LED matrix Download PDFInfo
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- CN206380123U CN206380123U CN201621378084.3U CN201621378084U CN206380123U CN 206380123 U CN206380123 U CN 206380123U CN 201621378084 U CN201621378084 U CN 201621378084U CN 206380123 U CN206380123 U CN 206380123U
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- 230000005540 biological transmission Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 1
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model belongs to LED drive controls field, and there is provided a kind of LED drive controls circuit and LED matrix.The LED drive controls circuit includes memory module, main control module and multiple drive control modules；Each drive control module is previously stored with unique address identifier code by metal fuse or polycrystalline fuse；Main control module obtains address identifier code corresponding with the drive control module of LED unit to be controlled connection from memory module, and address identifier code is combined into output after generation control signal with control data；Drive control module is decoded to control signal, if the address identifier code in control signal is consistent with the address identifier code that it is stored, and drive control module is driven control according to control data to connected LED unit.Because drive control module is prestored by metal fuse or polycrystalline fuse to address identifier code, therefore the requirement to the production technology of drive module is reduced, and reduce system cost.
Description
Technical field
The utility model belongs to LED Drive Control Techniques field, more particularly to a kind of LED drive controls circuit and LED dresses
Put.
Background technology
Existing multi-stage LED system can be divided into two kinds, and one kind is LED cascade systems, i.e., gone here and there multiple LED units
Connection, each LED unit receives the drive signal after the processing of upper level LED unit, and transmits after the drive signal is handled
To next stage LED unit, when any of which level LED unit failure, can all influence below the normal of all LED units use；Separately
One kind is LED parallel systems, i.e., multiple LED units are carried out into parallel connection, and data are transmitted by bus form, when any of which level
During LED unit failure, do not interfere with the normal of remaining LED unit and use.
However, to ensure existing LED parallel systems normal work, it is necessary to after whole system is connected, to each
The address of the driving chip of LED unit is defined, and this is accomplished by driving chip that nonvolatile memory, and energy must be included
Behavior is write at least one times, and the requirement to drive circuit production technology is higher.
In summary, the problem of existing LED parallel systems have higher to drive circuit manufacturing technique requirent.
Utility model content
The purpose of this utility model is to provide a kind of LED drive controls circuit and LED matrix, it is intended to solve existing
The problem of higher to drive circuit manufacturing technique requirent present in LED parallel systems.
The utility model is achieved in that a kind of LED drive controls circuit, is connected with multiple LED units, for institute
State multiple LED units and be driven control；Each LED unit includes at least one LED；The LED drive controls electricity
Road includes：Memory module, main control module and multiple drive control modules；Each drive control module by metal fuse or
Polycrystalline fuse is previously stored with unique address identifier code；The memory module is according to preset order to the multiple drive control
Each self-corresponding address identifier code of module is stored；
Each drive control module includes an input and at least one output end；Each drive control mould
The input of block is connected by data wire with the output end of the main control module, the output end of each drive control module
Connect a LED unit, and the drive control module at least one output end respectively with least one in the LED unit
Individual LED connection, the memory module is connected with the first data transmission end of the main control module；
When being driven control to the multiple LED unit, the main control module obtained from the memory module with
The corresponding address identifier code of drive control module of LED unit connection to be controlled, and by the address identifier code with controlling number
According to being combined generation control signal, and the control signal is exported to the multiple drive control module；The driving control
Molding block is decoded to the control signal, and the Address Recognition that the address identifier code in the control signal is stored with it
Code is contrasted, if the address identifier code in the control signal and the Address Recognition code-phase stored in the drive control module
Symbol, then control data of the drive control module in the control signal is driven to connected LED unit
Control.
The utility model additionally provides a kind of LED matrix, including multiple LED units, and each LED unit is included at least
One LED, the LED matrix also includes above-mentioned LED drive control circuits.
The LED drive controls circuit that the utility model is provided includes memory module, main control module and multiple drive control moulds
Block, the input of multiple drive control modules is connected by data wire with main control module, each drive control module connection one
Individual LED unit, and each drive control module is previously stored with unique address identifier code by metal fuse or polycrystalline fuse；
When being driven control to LED unit, main control module obtains the driving being connected with LED unit to be controlled from memory module
The corresponding address identifier code of control module, and address identifier code and control data are combined generation control signal, and by institute
Control signal is stated to export to multiple drive control modules；Drive control module is decoded to control signal, and by control signal
In the address identifier code that is stored with it of address identifier code contrasted, if address identifier code and drive control in control signal
The address identifier code stored in module is consistent, then drive control module is carried out according to control data to connected LED unit
Drive control.Because drive control module is prestored by metal fuse or polycrystalline fuse to address identifier code, therefore
The requirement to the production technology of drive module is reduced, and reduces system cost.
Brief description of the drawings
Fig. 1 is a kind of modular structure schematic diagram for LED drive controls circuit that the utility model embodiment is provided；
Fig. 2 is a kind of electrical block diagram for LED drive controls circuit that the utility model embodiment is provided；
Fig. 3 is a kind of electrical block diagram for LED drive controls circuit that another embodiment of the utility model is provided；
Fig. 4 is a kind of modular structure schematic diagram for LED matrix that the utility model embodiment is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
It should be noted that term " comprising " in specification and claims of the present utility model and they are any
Deformation, it is intended that covering is non-exclusive to be included.Process, method or system, product for example comprising series of steps or unit
Or equipment is the step of be not limited to list or unit, but the step of alternatively also include not listing or unit, or can
Selection of land is also included for the intrinsic other steps of these processes, method, product or equipment or unit.In addition, term " first ",
" second " and " the 3rd " etc. are to be used to distinguish different objects, not for description particular order.
Fig. 1 shows a kind of modular structure for LED drive controls circuit that the utility model embodiment is provided, for the ease of
Illustrate, illustrate only the part related to the utility model embodiment, details are as follows：
As shown in figure 1, a kind of LED drive controls circuit 100, is connected with multiple LED unit Y1~Yn, for multiple
LED unit Y1~Yn is driven control.Each LED unit (Y1 or Y2 or Yn etc.) includes at least one LED.Each
LED number included by LED unit (Y1 or Y2 or Yn etc.) can be with identical, can also be different, enters with specific reference to actual demand
Row is set, and is not limited herein.For example, LED unit Y1 can include 3 LEDs, LED unit Y2 can include 6 LEDs
Deng.
LED drive controls circuit 100 includes：Memory module 10, main control module 20 and multiple drive control modules X1~Xn；
Each drive control module (X1 or X2 or Xn etc.) is previously stored with unique Address Recognition by metal fuse or polycrystalline fuse
Code；Memory module 10 is deposited according to preset order to multiple each self-corresponding address identifier codes of drive control module X1~Xn
Storage.
Each drive control module (X1 or X2 or Xn etc.) includes an input and at least one output end；Each driving
The input of control module (X1 or X2 or Xn etc.) is connected by data wire with the output end of main control module 20, each driving control
The output end of molding block (X1 or X2 or Xn etc.) connects a LED unit (Y1 or Y2 or Yn etc.), and drive control module (X1 or
X2 or Xn etc.) at least one output end be connected respectively with least one LED in LED unit (Y1 or Y2 or Yn etc.), deposit
Storage module 10 is connected with the first data transmission end of main control module 20.
When being driven control to multiple LED unit Y1~Yn, main control module 20 is obtained and treated from memory module 10
Drive control module (X1 or X2 or Xn etc.) corresponding address identifier code of LED unit (the Y1 or Y2 or Yn etc.) connection of control,
And address identifier code and control data are combined generation control signal, and control signal is exported to multiple drive control moulds
Block X1~Xn；Drive control module X1~Xn is decoded to control signal, and by the address identifier code in control signal and its
The address identifier code of storage is contrasted, if the address identifier code in control signal and drive control module (X1 or X2 or Xn etc.)
The address identifier code of middle storage is consistent, then control data pair of the drive control module (X1 or X2 or Xn etc.) in control signal
Connected LED unit (Y1 or Y2 or Yn etc.) is driven control.
In the utility model embodiment, if drive control module (X1 or X2 or Xn etc.) judges that its address stored is known
Other code is not consistent with the address identifier code in control signal, then drive control module (X1 or X2 or Xn etc.) is without any processing.
In the utility model embodiment, memory module 10 is each to multiple drive control module X1~Xn according to preset order
Self-corresponding address identifier code is stored.Wherein, preset order can be determined according to the actual requirements, if for example, driving
Control module X1 is the 1st drive control module X1, and drive control module Xn is n-th of drive control module, then memory module
10 can be according to the order from the 1st drive control module X1 to n-th drive control module Xn to multiple drive control modules
X1~Xn address identifier code is stored；Can also be according to a drive control module from n-th of drive control module Xn to the 1st
X1 order is stored to multiple drive control module Xn~X1 address identifier code, is set with specific reference to actual demand
Put, be not limited herein.
In the utility model embodiment, data wire can be power line, ground wire or signal wire etc., with specific reference to actual need
Ask and be configured, be not limited herein.
In the utility model embodiment, when a LED unit breaks down, other LED units are not being interfered with just
Often use, i.e., when there is the failure of LED unit, the corresponding display image of whole LED unit only has the LED of failure
Element failure, and other LED units will not fail, so as to improve the stability and display effect of system.
In the utility model embodiment, main control module 20 can use existing with MCU (Microcontroller
Unit, micro-control unit) be core controller, main control module 20 can also include by resistance, electric capacity, crystalline substance except including MCU
The peripheral circuit for the composition such as shake.Main control module 20 can be configured according to the actual requirements, be not limited herein.
In the utility model embodiment, memory module 10 can be independent non-volatile memory chip or SD
(Secure Digital, safe digital) storage card；Certainly, memory module 10 can also be built in the MCU in main control module 20
Nonvolatile memory.It is configured, is not limited herein with specific reference to actual demand.
In the utility model embodiment, multiple drive control module X1~Xn in production by metal fuse or
Polycrystalline fuse is stored to its corresponding unique address identifier code, subsequently without again to multiple drive control module X1~Xn
Enter row write behavior, due to being defined using metal fuse or polycrystalline fuse to address identifier code, therefore, to drive control module
X1~Xn generation technological requirement is relatively low.And stored relative to the existing technique more expensive by nonvolatile memory etc.
Scheme for, greatly reduce system cost.
Fig. 2 shows a kind of circuit structure for LED drive controls circuit that the utility model embodiment is provided, for the ease of
Illustrate, illustrate only the part related to the utility model embodiment, details are as follows：
As shown in Fig. 2 as the embodiment of the utility model one, drive control module (X1 or X2 or Xn etc.) drives for LED
Chip U1.The metal fuse or polysilicon fuse for storage address identification code are provided with LED drive chip U1.
LED drive chip U1 supply pin VDD is the input of drive control module (X1 or X2 or Xn etc.), LED drivings
Chip U1 lower margin GND ground connection, LED drive chip U1 at least one output pin OUT1~OUTn is respectively drive control module
At least one output end of (X1 or X2 or Xn etc.).
In actual applications, metal fuse or polysilicon fuse pair can directly be passed through when LED drive chip U1 is produced
The corresponding unique address identifier codes of LED drive chip U1 are stored.Subsequently without entering row write row to LED drive chip again
To greatly reduce the requirement of the production technology to LED drive chip U1.
In the utility model embodiment, data wire is power line, i.e. LED drive chip U1 supply pin VDD directly leads to
Cross power line to be connected with main control module 20, LED drive chip U1 supply pin VDD receives control signal, power line and signal wire
Single line is shared, circuit structure is not only simplify, and reduce cost.
Fig. 3 shows a kind of circuit structure for LED drive controls circuit that another embodiment of the utility model is provided, in order to
It is easy to explanation, illustrate only the part related to the utility model embodiment, details are as follows：
As shown in figure 3, as the embodiment of the utility model one, drive control module (X1 or X2 or Xn etc.) drives for LED
Chip U1.The metal fuse or polysilicon fuse for storage address identification code are provided with LED drive chip U1.
LED drive chip U1 supply pin VDD meets power supply VCC1, LED drive chip U1 lower margin GND ground connection, LED drivings
Chip U1 input pin IN be drive control module (X1 or X2 or Xn etc.) input, LED drive chip U1 at least one
Output pin OUT1~OUTn is respectively drive control module (X1 or X2 or Xn etc.) at least one output end.
In actual applications, metal fuse or polysilicon fuse pair can directly be passed through when LED drive chip U1 is produced
The corresponding unique address identifier codes of LED drive chip U1 are stored.Subsequently without entering row write row to LED drive chip again
To greatly reduce the requirement of the production technology to LED drive chip U1.
The utility model embodiment additionally provides a kind of LED matrix, and Fig. 4 shows one that the utility model embodiment is provided
The modular structure of LED matrix is planted, for convenience of description, the part related to the utility model embodiment is illustrate only, is described in detail such as
Under：
As shown in figure 4, a kind of LED matrix 1, including multiple LED units Y1~Yn, each LED unit (Y1 or Y2 or Yn
Deng) include at least one LED.LED number included by each LED unit (Y1 or Y2 or Yn etc.) can with identical,
Can be different, it is configured, is not limited herein with specific reference to actual demand.For example, LED unit Y1 can include 3 LED
Lamp, LED unit Y2 can include 6 LEDs etc..LED matrix 1 also includes the LED drive control circuits in above-described embodiment
100。
In the utility model embodiment, LED matrix can be the ornament lamps such as Christmas lamp, guard rail lamp, wall lamp, with specific reference to
Actual demand is configured, and is not limited herein.
It should be noted that the present embodiment provide LED matrix 1 in LED drive controls circuit 100 circuit structure with
The circuit structure of LED drive controls circuit 100 in embodiment corresponding to Fig. 2 or Fig. 3 is identical, specifically refer to Fig. 2
Or the related statement in the corresponding embodiments of Fig. 3, here is omitted.
The LED drive controls circuit that the utility model embodiment is provided includes memory module, main control module and multiple drivings
Control module, the input of multiple drive control modules is connected by data wire with main control module, each drive control module
A LED unit is connected, and each drive control module is previously stored with unique address by metal fuse or polycrystalline fuse
Identification code；When being driven control to LED unit, main control module is obtained from memory module to be connected with LED unit to be controlled
The corresponding address identifier code of drive control module connect, and address identifier code and control data are combined generation control letter
Number, and the control signal is exported to multiple drive control modules；Drive control module is decoded to control signal, and will
The address identifier code that address identifier code in control signal is stored with it is contrasted, if the address identifier code in control signal with
The address identifier code stored in drive control module is consistent, then drive control module according to control data to connected LED
Unit is driven control.Because drive control module is deposited in advance by metal fuse or polycrystalline fuse to address identifier code
Storage, therefore the requirement to the production technology of drive module is reduced, and reduce system cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of LED drive controls circuit, is connected with multiple LED units, for being driven control to the multiple LED unit
System；Each LED unit includes at least one LED；Characterized in that, the LED drive controls circuit includes：Store mould
Block, main control module and multiple drive control modules；Each drive control module is advance by metal fuse or polycrystalline fuse
Be stored with unique address identifier code；The memory module is each corresponded to according to preset order to the multiple drive control module
Address identifier code stored；
Each drive control module includes an input and at least one output end；Each drive control module
Input is connected by data wire with the output end of the main control module, the output end connection of each drive control module
One LED unit, and the drive control module at least one output end respectively with least one in the LED unit
LED is connected, and the memory module is connected with the first data transmission end of the main control module；
When being driven control to the multiple LED unit, the main control module obtained from the memory module with it is to be controlled
The corresponding address identifier code of drive control module of the LED unit connection of system, and the address identifier code and control data are entered
Row combines generation control signal, and the control signal is exported to the multiple drive control module；The drive control mould
Block is decoded to the control signal, and the address identifier code that the address identifier code in the control signal is stored with it is entered
Row contrast, if the address identifier code in the control signal is consistent with the address identifier code stored in the drive control module,
Then control data of the drive control module in the control signal is driven control to connected LED unit
System.
2. LED drive controls circuit as claimed in claim 1, it is characterised in that the data wire is power line；The driving
Control module is LED drive chip；The metal fuse or many for storage address identification code is provided with the LED drive chip
Silicon fuse；
The supply pin of the LED drive chip is the input of the drive control module, and the lower margin of the LED drive chip connects
Ground, at least one output pin of the LED drive chip is respectively at least one output end of the drive control module.
3. LED drive controls circuit as claimed in claim 1, it is characterised in that the drive control module is that LED drives core
Piece；The metal fuse or polysilicon fuse for storage address identification code are provided with the LED drive chip；
The supply pin of the LED drive chip connects power supply, and the lower margin of the LED drive chip is grounded, the LED drive chip
Input pin is the input of the drive control module, and at least one output pin of the LED drive chip is respectively the drive
At least one output end of dynamic control module.
4. a kind of LED matrix, including multiple LED units, each LED unit include at least one LED, its feature exists
In the LED matrix also includes the LED drive control circuits as described in any one of claims 1 to 3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160927 | 2016-02-25 | ||
| CN2016201609276 | 2016-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206380123U true CN206380123U (en) | 2017-08-04 |
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ID=59406242
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| CN201621378084.3U Active CN206380123U (en) | 2016-02-25 | 2016-12-15 | A kind of LED drive controls circuit and LED matrix |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041332A (en) * | 2018-07-17 | 2018-12-18 | 宗仁科技(平潭)有限公司 | A kind of LED light string and its control chip |
| CN109410828A (en) * | 2018-11-29 | 2019-03-01 | 宗仁科技(平潭)有限公司 | LED point light source driving method, system and controller |
| CN110379357A (en) * | 2019-06-05 | 2019-10-25 | 宗仁科技(平潭)有限公司 | A kind of control method and device of parallel connection LED drive circuit |
| CN111653233A (en) * | 2020-06-15 | 2020-09-11 | 深圳天源中芯半导体有限公司 | Multi-path cascade application system and data processing control method thereof |
| CN114842793A (en) * | 2022-03-27 | 2022-08-02 | 深圳市美矽微半导体有限公司 | LED driving chip with redundant address circuit |
-
2016
- 2016-12-15 CN CN201621378084.3U patent/CN206380123U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109041332A (en) * | 2018-07-17 | 2018-12-18 | 宗仁科技(平潭)有限公司 | A kind of LED light string and its control chip |
| CN109041332B (en) * | 2018-07-17 | 2021-06-01 | 宗仁科技(平潭)有限公司 | LED lamp string and control chip thereof |
| CN109410828A (en) * | 2018-11-29 | 2019-03-01 | 宗仁科技(平潭)有限公司 | LED point light source driving method, system and controller |
| CN110379357A (en) * | 2019-06-05 | 2019-10-25 | 宗仁科技(平潭)有限公司 | A kind of control method and device of parallel connection LED drive circuit |
| CN111653233A (en) * | 2020-06-15 | 2020-09-11 | 深圳天源中芯半导体有限公司 | Multi-path cascade application system and data processing control method thereof |
| CN114842793A (en) * | 2022-03-27 | 2022-08-02 | 深圳市美矽微半导体有限公司 | LED driving chip with redundant address circuit |
| CN114842793B (en) * | 2022-03-27 | 2022-12-20 | 深圳市美矽微半导体有限公司 | LED driving chip with redundant address circuit |
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Denomination of utility model: An LED driver control circuit and LED device Effective date of registration: 20231221 Granted publication date: 20170804 Pledgee: Pingtan Comprehensive Experimental Zone Xinping Financing Guarantee Co.,Ltd. Pledgor: Zongren Technology (Pingtan) Co.,Ltd. Registration number: Y2023980073060 |
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