CN208796652U - Scan control circuit and scanning display equipment - Google Patents
Scan control circuit and scanning display equipment Download PDFInfo
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- CN208796652U CN208796652U CN201821639903.4U CN201821639903U CN208796652U CN 208796652 U CN208796652 U CN 208796652U CN 201821639903 U CN201821639903 U CN 201821639903U CN 208796652 U CN208796652 U CN 208796652U
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- output circuit
- driving chip
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- input terminal
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Abstract
The application provides a kind of scan control circuit and scanning display equipment, including driving chip and drive control unit, drive control unit includes the first output circuit and the second output circuit, the output end of input terminal after the connection of the input terminal of the input terminal of first output circuit and the second output circuit as drive control unit, the output end of the first output circuit and the second output circuit is connect with driving chip respectively.Pass through above-mentioned setting, so that drive control unit is when being connected to the first level signal, by generating the first trigger signal after the first output circuit and being sent to driving chip, to control the scanning direction of display module as first direction, second direction, when receiving second electrical level signal, by generating the second trigger signal after the second output circuit and being sent to driving chip, to control the scanning direction of display module as third direction, fourth direction, and then it realizes only with an input terminal, realize that the scanning of different directions shows meet the needs of different clients.
Description
Technical field
This application involves field of display technology, in particular to a kind of scan control circuit and scanning display equipment.
Background technique
Currently, large scale LED display screen be usually be spliced by multiple LED display unit plates, each LED unit plate it
Between connected by serial ports to transmit data, and these cell boards are controlled by controlling chip.
Inventor it has been investigated that, existing large scale shows that the pin of the control chip of screen is usually in that matrix form is arranged
Column, and universal display interface only supports a scanning direction to the scanning of pin, application is inflexible, is not able to satisfy some clients
Requirement.
Utility model content
In order to overcome above-mentioned deficiency in the prior art, the embodiment of the present application is designed to provide a kind of scan control electricity
Road and scanning display equipment, by the way that the drive control unit including the first output circuit and the second output circuit is arranged, to drive
When dynamic control unit receives different level signals, by different output circuit output control signals so that drive control core
The scanning direction that piece controls display module is different, and then meets the needs of different clients.
A kind of scan control circuit, comprising:
For controlling the driving chip of the scanning direction of display module；
Drive control unit, the drive control unit include the first output circuit and the second output circuit, described first
Input terminal after the connection of the input terminal of the input terminal of output circuit and the second output circuit as the drive control unit, it is described
The output end of the output end of first output circuit and the second output circuit is connect with the driving chip respectively；
The input terminal of the drive control unit when receiving the first level signal, by first output circuit into
The first trigger signal is generated after row processing and is sent to the driving chip, so that the driving chip controls the display module
Scanning direction is first direction, second direction, when receiving second electrical level signal, at second output circuit
The second trigger signal is generated after reason and is sent to the driving chip, so that the driving chip controls sweeping for the display module
Retouching direction is third direction, fourth direction, wherein first direction is with second direction on the contrary, third direction is opposite with fourth direction.
Optionally, in above-mentioned scan control circuit, first output circuit includes first resistor, the first resistor
One end connect with the input terminal of the second output circuit after as the input terminal of the drive control unit, the other end and the drive
Dynamic chip connection.
Optionally, in above-mentioned scan control circuit, second output circuit includes Reverse Turning Control chip, described reversed
Control chip input terminal connect with the input terminal of the first output circuit after as the drive control unit input terminal, export
End connect with the driving chip, and the Reverse Turning Control chip carries out handling generation the when receiving the second electrical level signal
Two trigger signals are simultaneously sent to the driving chip.
Optionally, in above-mentioned scan control circuit, the drive control unit further includes second resistance, second electricity
One end of resistance is connect with the input terminal of the drive control unit, the other end is grounded.
Optionally, in above-mentioned scan control circuit, the driving chip includes multiple pins, includes in multiple pin
First pin and second pin, first pin are connect with the output end of first output circuit, the second pin with
The output end of second output circuit connects, and the multiple pin forms one M × N pin matrix, first pin and
Second pin is located at the arbitrary neighborhood position of the matrix.
The utility model also provides a kind of scanning display equipment, and the scanning shows that equipment includes:
For being scanned the display module of display；
For controlling the driving chip of the scanning direction of display module；
Drive control unit, the drive control unit include the first output circuit and the second output circuit, described first
Input terminal after the connection of the input terminal of the input terminal of output circuit and the second output circuit as the drive control unit, it is described
The output end of the output end of first output circuit and the second output circuit is connect with the driving chip respectively；
The input terminal of the drive control unit when receiving the first level signal, by first output circuit into
The first trigger signal is generated after row processing and is sent to the driving chip, so that the driving chip controls the display module
Scanning direction is first direction, second direction, when receiving second electrical level signal, at second output circuit
The second trigger signal is generated after reason and is sent to the driving chip, so that the driving chip controls sweeping for the display module
Retouching direction is third direction, fourth direction, wherein first direction is with second direction on the contrary, third direction is opposite with fourth direction.
Optionally, it is shown in equipment in above-mentioned scanning, the scanning shows that equipment further includes input control end, the input
Control terminal is connect with the input terminal of the drive control unit, to be used for the drive control unit incoming level signal.
Optionally, show in equipment that first output circuit includes first resistor, the first resistor in above-mentioned scanning
One end connect with the input terminal of the second output circuit after as the input terminal of the drive control unit, the other end and the drive
Dynamic chip connection.
Optionally, show in equipment that second output circuit includes Reverse Turning Control chip in above-mentioned scanning, it is described reversed
Control chip input terminal connect with the input terminal of the first output circuit after as the drive control unit input terminal, export
End connect with the driving chip, and the Reverse Turning Control chip carries out handling generation the when receiving the second electrical level signal
Two trigger signals are simultaneously sent to the driving chip.
Optionally, show in equipment that the drive control unit further includes second resistance in above-mentioned scanning, second electricity
One end of resistance is connect with the input terminal of the drive control unit, the other end is grounded.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of scan control circuit and scanning display equipment, scan control circuit are driven by setting
Dynamic chip and the drive control unit including the first output circuit and the second output circuit, make drive control unit be connected to first
When level signal, by generating the first trigger signal after the first output circuit and being sent to driving chip, so that driving chip control
The scanning direction of display module processed is first direction, second direction, when receiving second electrical level signal, passes through the second output electricity
The second trigger signal is generated behind road and is sent to driving chip, so that the scanning direction of driving chip control display module is third
Direction, fourth direction, and then realize only with an input terminal, it realizes that the scanning of different directions is shown, meets different clients
Demand.
For enable application above objects, features, and advantages be clearer and more comprehensible, the application preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the connection block diagram of scanning display equipment provided by the embodiments of the present application.
Fig. 2 is the application block diagram of scan control circuit provided by the embodiments of the present application.
Fig. 3 is the circuit diagram of scan control circuit provided by the embodiments of the present application.
Fig. 4 is another circuit diagram of scan control circuit provided by the embodiments of the present application.
Icon: 10- scanning display equipment；100- scan control circuit；110- driving chip；120- drive control unit；
The first output circuit of 122-；The second output circuit of 124-；125- Reverse Turning Control chip；R1- first resistor；R2- second resistance；
200- display module；300- input control end.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Usually exist
The component of the embodiment of the present application described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on embodiments herein, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it should be noted that term " first ", " second " etc. are only used for distinguishing description, without
It can be interpreted as indication or suggestion relative importance.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
With reference to the accompanying drawing, it elaborates to some embodiments of the application.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, Fig. 1 is the connection block diagram of scanning display equipment 10 provided by the embodiments of the present application, and the scanning is aobvious
Show that equipment 10 includes display module 200 and scan control circuit 100, the display module 200 and the scan control circuit 100
Electrical connection.
Wherein, for the display module 200 for being scanned display, the scan control circuit 100 is described for controlling
Display module 200 is scanned scanning display direction when display, is met in turn with can be realized the scanning of different directions and show
Different demands.
To be easy to implement the scanning direction for controlling the display module 200 by scan control circuit 100, in the present embodiment
In, the scanning shows that equipment 10 further includes input control end 300, the input control end 300 and the scan control circuit
100 electrical connections, to be used for the 100 incoming level signal of scan control circuit, so that the scan control circuit 100 is based on
The level signal controls the scanning direction of the display module 200.
Specifically, in one embodiment, when the input control end 300 is input to the scan control circuit 100
When level signal is the first level signal (such as high level signal), the scan control circuit 100 controls the display module
200 scanning direction is first direction, second direction, when the input control end 300 is input to the scan control circuit 100
Level signal be second electrical level signal (such as low level signal) when, the scan control circuit 100 controls the display mould
The scanning direction of block 200 is third direction, fourth direction, wherein first direction and second direction are on the contrary, third direction and the 4th
It is contrary.
Incorporated by reference to Fig. 2, the utility model provides a kind of scan control circuit that can be applied to above-mentioned scanning and show equipment 10
100, the scan control circuit 100 includes: driving chip 110 and drive control unit 120, the driving chip 110 and institute
The electrical connection of display module 200 is stated to control the scanning direction of display module 200, the drive control unit 120 includes first defeated
Circuit 122 and the second output circuit 124 out, the input of the input terminal of first output circuit 122 and the second output circuit 124
Input terminal after the connection of end as the drive control unit 120, the output end of first output circuit 122 and the second output
The output end of circuit 124 is connect with the driving chip 110 respectively.
During the scan control circuit 100 controls the display module 200 and is scanned display, the driving
The input terminal of control unit 120 is raw after being handled by first output circuit 122 when receiving the first level signal
At the first trigger signal and it is sent to the driving chip 110, so that the driving chip 110 controls the display module 200
Scanning direction be first direction, second direction pass through second output circuit when receiving the second electrical level signal
124 handled after generate the second trigger signal and be sent to the driving chip 110 so that the driving chip 110 controls
The scanning direction of the display module 200 is third direction, fourth direction, wherein first direction and second direction are on the contrary, third
Direction is opposite with fourth direction.
By above-mentioned setting, when being scanned display, by by the input terminal and second of first output circuit 122
Input terminal after the input terminal connection of output circuit 124 as the drive control unit 120, makes scan control circuit to realize
100 only with an input terminal, realizes that the scanning of different directions shows meet the needs of different.
Wherein, the driving chip 110 has multiple pins, includes the first pin and second pin in multiple pin,
First pin is connect with the output end of first output circuit 122, the second pin and second output circuit
124 output end connection, and the multiple pin forms one M × N pin matrix, first pin and second pin are located at institute
State the arbitrary neighborhood position of matrix.
The pin of the driving chip 110 can be refering to shown in following table:
Wherein, the output end of the output end of first output circuit 122 and the second output circuit 124 respectively with the drive
The special pin connection of dynamic chip 110, for example, the output end of the output end of the first output circuit 122 and the second output circuit 124
It is connect respectively with 19 pins, 20 pins in table 1, and the 19th pin, 20 pins generate control when receiving trigger signal and sweep
Retouch UPDN, SHLR signal in direction.For example, the driving chip 110 generates UPDN when trigger signal is the first trigger signal
Signal and the scanning direction for controlling the display module 200 based on the UPDN signal are first direction, second direction, when triggering is believed
When number being the second trigger signal, the driving chip 110 generates SHLR signal and simultaneously controls the display mould based on the SHLR signal
The scanning direction of block 200 is third direction, fourth direction.
To make first output circuit 122 when receiving the first level signal, the first trigger signal is generated, is please referred to
Fig. 3, in the present embodiment, first output circuit 122 include first resistor R1, one end and second of the first resistor R1
Input terminal, the other end and the driving chip after the input terminal connection of output circuit 124 as the drive control unit 120
110 connections.
Wherein, first level signal is generating the first trigger signal after the first resistor R1, and is input to
The driving chip 110, so that the scanning direction that the driving chip 110 controls the display module 200 is first direction, the
Two directions.Specifically, in the present embodiment, first direction, second direction are respectively lower direction and upper direction.
To make second output circuit 124 when receiving the second electrical level signal, the second trigger signal is generated, is asked
In conjunction with Fig. 4, in the present embodiment, second output circuit 124 include Reverse Turning Control chip, the Reverse Turning Control chip it is defeated
After entering to hold A to connect with the input terminal of the first output circuit 122 as the input, output end Y of the drive control unit 120 with
The driving chip 110 connects, and the Reverse Turning Control chip carries out processing when receiving the second electrical level signal and generates the
Two trigger signals are simultaneously sent to the driving chip 110.
Specifically, the Reverse Turning Control chip also has the power end VCC connected to power supply, the ground terminal being connected to ground
GND and enable end NC, the Reverse Turning Control chip are based on the second electrical level signal when receiving the second electrical level signal
Generate the second trigger signal so that the driving chip 110 control the display module 200 scanning direction be third direction,
Fourth direction.Specifically, in the present embodiment, third direction, fourth direction are respectively left direction and right direction.
The input terminal of drive control unit 120 is set to remain low level in the initial state to realize, it is aobvious to avoid influencing
The preliminary sweep direction for showing module 200, incorporated by reference to Fig. 4, in the present embodiment, the drive control unit 120 further includes second
Resistance R2, one end of the second resistance R2 is connect with the input terminal of the drive control unit 120, the other end is grounded.
In conclusion the embodiment of the present application provides a kind of scan control circuit 100 and scanning display equipment 10, scan control
Circuit 100 passes through setting driving chip 110 and the drive control list including the first output circuit 122 and the second output circuit 124
Member 120, makes drive control unit 120 when being connected to the first level signal, by generating the first triggering after the first output circuit 122
Signal is simultaneously sent to driving chip 110, so that the scanning direction that driving chip 110 controls display module 200 is first direction, the
Two directions, when receiving the second electrical level signal, by generating the second trigger signal after the second output circuit 124 and sending
To driving chip 110, so that the scanning direction that driving chip 110 controls display module 200 is third direction, fourth direction, into
And realize only with an input terminal, realize that the scanning of different directions is shown, to meet the needs of different clients.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of scan control circuit characterized by comprising
For controlling the driving chip of the scanning direction of display module；
Drive control unit, the drive control unit include the first output circuit and the second output circuit, first output
Input terminal after the connection of the input terminal of the input terminal of circuit and the second output circuit as the drive control unit, described first
The output end of the output end of output circuit and the second output circuit is connect with the driving chip respectively；
The input terminal of the drive control unit is when receiving the first level signal, at first output circuit
The first trigger signal is generated after reason and is sent to the driving chip, so that the driving chip controls the display module scanning
Direction is first direction, second direction, when receiving second electrical level signal, after being handled by second output circuit
It generates the second trigger signal and is sent to the driving chip, so that the driving chip controls the scanning side of the display module
To for third direction, fourth direction, wherein first direction is with second direction on the contrary, third direction is opposite with fourth direction.
2. scan control circuit according to claim 1, which is characterized in that first output circuit includes the first electricity
Resistance, input as the drive control unit after one end of the first resistor is connect with the input terminal of the second output circuit
End, the other end are connect with the driving chip.
3. scan control circuit according to claim 1, which is characterized in that second output circuit includes Reverse Turning Control
Chip, the input terminal of the Reverse Turning Control chip are used as the drive control unit after connecting with the input terminal of the first output circuit
Input, output end connect with the driving chip, the Reverse Turning Control chip is when receiving the second electrical level signal
Processing is carried out to generate the second trigger signal and be sent to the driving chip.
4. scan control circuit according to claim 1, which is characterized in that the drive control unit further includes the second electricity
Resistance, one end of the second resistance is connect with the input terminal of the drive control unit, the other end is grounded.
5. scan control circuit according to claim 1, which is characterized in that the driving chip includes multiple pins, should
It include the first pin and second pin in multiple pins, first pin is connect with the output end of first output circuit,
The second pin is connect with the output end of second output circuit, and the multiple pin forms one M × N pin matrix,
First pin and second pin are located at the arbitrary neighborhood position of the matrix.
6. a kind of scanning shows equipment, which is characterized in that the scanning shows that equipment includes:
For being scanned the display module of display；
For controlling the driving chip of the scanning direction of display module；
Drive control unit, the drive control unit include the first output circuit and the second output circuit, first output
Input terminal after the connection of the input terminal of the input terminal of circuit and the second output circuit as the drive control unit, described first
The output end of the output end of output circuit and the second output circuit is connect with the driving chip respectively；
The input terminal of the drive control unit is when receiving the first level signal, at first output circuit
The first trigger signal is generated after reason and is sent to the driving chip, so that the driving chip controls the display module scanning
Direction is first direction, second direction, when receiving second electrical level signal, after being handled by second output circuit
It generates the second trigger signal and is sent to the driving chip, so that the driving chip controls the scanning side of the display module
To for third direction, fourth direction, wherein first direction is with second direction on the contrary, third direction is opposite with fourth direction.
7. scanning according to claim 6 shows equipment, which is characterized in that the scanning shows that equipment further includes input control
End processed, the input control end are connect with the input terminal of the drive control unit, for defeated to the drive control unit
Enter level signal.
8. scanning according to claim 6 shows equipment, which is characterized in that first output circuit includes the first electricity
Resistance, input as the drive control unit after one end of the first resistor is connect with the input terminal of the second output circuit
End, the other end are connect with the driving chip.
9. scanning according to claim 6 shows equipment, which is characterized in that second output circuit includes Reverse Turning Control
Chip, the input terminal of the Reverse Turning Control chip are used as the drive control unit after connecting with the input terminal of the first output circuit
Input, output end connect with the driving chip, the Reverse Turning Control chip is when receiving the second electrical level signal
Processing is carried out to generate the second trigger signal and be sent to the driving chip.
10. scanning according to claim 6 shows equipment, which is characterized in that the drive control unit further includes second
Resistance, one end of the second resistance is connect with the input terminal of the drive control unit, the other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639903.4U CN208796652U (en) | 2018-10-09 | 2018-10-09 | Scan control circuit and scanning display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639903.4U CN208796652U (en) | 2018-10-09 | 2018-10-09 | Scan control circuit and scanning display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208796652U true CN208796652U (en) | 2019-04-26 |
Family
ID=66211703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821639903.4U Active CN208796652U (en) | 2018-10-09 | 2018-10-09 | Scan control circuit and scanning display equipment |
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| Country | Link |
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| CN (1) | CN208796652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433842A (en) * | 2021-06-24 | 2021-09-24 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
| CN113507284A (en) * | 2021-06-16 | 2021-10-15 | 广州朗国电子科技股份有限公司 | Circuit for self-adaption of default screen direction of android device |
-
2018
- 2018-10-09 CN CN201821639903.4U patent/CN208796652U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507284A (en) * | 2021-06-16 | 2021-10-15 | 广州朗国电子科技股份有限公司 | Circuit for self-adaption of default screen direction of android device |
| CN113433842A (en) * | 2021-06-24 | 2021-09-24 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
| CN113433842B (en) * | 2021-06-24 | 2022-03-25 | 威海新北洋技术服务有限公司 | Unlocking control circuit and equipment |
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