CN109412134A - Fool-proof circuit, connector and display device - Google Patents
Fool-proof circuit, connector and display device Download PDFInfo
- Publication number
- CN109412134A CN109412134A CN201811547277.0A CN201811547277A CN109412134A CN 109412134 A CN109412134 A CN 109412134A CN 201811547277 A CN201811547277 A CN 201811547277A CN 109412134 A CN109412134 A CN 109412134A
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- Prior art keywords
- connector
- module
- signal
- switch module
- connect
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Links
- 239000004065 semiconductor Substances 0.000 claims description 11
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the application provides a prevent slow-witted circuit, connector and display device is connected through the input port of comparison module and connector, accepts a plurality of input signal of connector, and according to a plurality of input signal output control signal to turn on or turn off the partial pressure signal that switches on or turn off that generates control power signal through first switch module, thereby make the connector in time turn off power signal's output when inserting the mistake, avoided because the connector inserts the mistake and leads to electronic components to burn and lead to the unable normal use problem of panel.
Description
Technical field
The embodiment of the present application belongs to field of display technology more particularly to a kind of fool proof circuit, connector and display device.
Background technique
As a kind of base components, connector is used between device and device, element and element and system and system
Electric current transmission is carried out, so that electronic system can work normally.In general, connector includes socket and plug, socket and plug
It can be mutually inserted and be integrated, wherein multiple butt holes are set on socket, conductive electrode is set in each butt hole, it is each to lead
Electrode can receive and transmit the electric current of different voltages, so that different electric currents can be transmitted to by connector
Different electronic component, to enable each electronic component that can work normally.
For example, in the display, it will usually using a kind of flexible flat cable that pin number is more as connector
Wire rod, the connector is for connecting display panel and screen driving plate, so that screen driving plate driving display panel is normally shown.
However, in production, use process, since the pin spacing of connector is smaller, often because of connector wrong plug
And cause electronic component burn cause panel can not normal use the problem of.
Summary of the invention
The embodiment of the present application provides a kind of fool proof circuit, connector and display device, it is intended to solve due to connector
Pin spacing is smaller, often cause because of connector wrong plug electronic component burn cause panel can not normal use ask
Topic.
The embodiment of the present application provides a kind of fool proof circuit, comprising:
Comparison module is connect with the input port of connector, for receiving multiple input signals of the connector, and root
According to multiple input signal output control signals；
First switch module is connect with the comparison module, for being connected or being turned off according to the control signal；
Division module is connect, for receiving the electricity on the power supply line respectively with power supply line and the first switch module
Source signal, and corresponding voltage division signal is exported according to the conducting of the first switch module or shutdown；
Second switch module is connect with the power supply line and the division module respectively, for receiving the power supply signal
With the voltage division signal, and the turn-on and turn-off of the power supply signal are controlled according to the voltage division signal.
Optionally, the comparison module include with door, described with door includes at least one input terminal；
Input terminal of the input terminal with door as the comparison module, it is described with the output end of door as compared with described
The output end of module.
Optionally, the comparison module includes:
First input end, the first input end are connect with the first pin of the connector, and first pin is located at
First side of the connector；And
Second input terminal, second input terminal are connect with the second pin of the connector, and the second pin is located at
Second side of the connector.
Optionally, the first switch module includes the first electronic switching tube, the control terminal of first electronic switching tube
Control terminal as the first switch module is connect with the output end of the comparison module, the electricity of first electronic switching tube
The output end for flowing output end as the first switch module is grounded, and the current input terminal of first electronic switching tube is as institute
The input terminal for stating first switch module is connect with the current output terminal of the division module.
Optionally, the division module includes:
First resistor unit, current output terminal and institute of the first end of the first resistor unit as the division module
State the input terminal connection of first switch module；And
Second resistance unit, the first end of the second resistance unit are connect with the second end of the first resistor unit,
Voltage division signal output end as the division module is connect with the control terminal of the second switch module, the second resistance list
The second end of member is connect with the power supply line.
Optionally, the second switch module includes the second electronic switching tube, the control terminal of second electronic switching tube
It is connect as the control terminal of the second switch module with the voltage division signal output end of the division module, second electronic cutting
The current input terminal for closing pipe is connect as the input terminal of the second switch module with the power supply line, second electronic switch
Output end of the current output terminal of pipe as the second switch module.
Optionally, second electronic switching tube is P type metal oxide semiconductor field-effect tube, polysilicon membrane crystal
Any one in pipe, amorphous silicon film transistor, Zinc oxide based film transistor or Organic Thin Film Transistors.
The embodiment of the present application also provides a kind of connector, the connector includes as described in any one of above-described embodiment
Fool proof circuit, for connect display panel and screen driving plate.
Optionally, the wire rod of the connector is flexible flat cable.
The embodiment of the present application also provides a kind of display devices, comprising:
Display panel；
Shield driving plate；And
Connector described in above-described embodiment.
The embodiment of the present application provides a kind of fool proof circuit, connector and display device, by comparing module with connect
The input port of device connects, and receives multiple input signals of connector, and control signals according to multiple input signal outputs,
To generate the voltage division signal of the on or off of control power supply signal by the on or off of first switch module, so that
The output of connector timely power cutoff signal in wrong plug, avoid causes electronic component to burn because of connector wrong plug
Cause panel can not normal use the problem of.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram for the fool proof circuit that one embodiment of the application provides；
Fig. 2 is the structural schematic diagram for the fool proof circuit that another embodiment of the application provides；
Fig. 3 is the structural schematic diagram for the display device that one embodiment of the application provides.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment is the application one
The embodiment divided, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present application.
The description and claims of this application and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
Fig. 1 is the structural schematic diagram for the fool proof circuit that one embodiment of the application provides.
As shown in Figure 1, the fool proof circuit in the present embodiment, comprising:
Comparison module 10 is connect with the input port of connector, for receiving multiple input signals of connector, and according to
Multiple input signal output control signals；
First switch module 20 is connect with comparison module 10, for being connected or being turned off according to control signal；
Division module 30 is connect with power supply line VDD and first switch module 20 respectively, for receiving on power supply line VDD
Power supply signal, and corresponding voltage division signal is exported according to the conducting of first switch module 20 or shutdown；
Second switch module 40 is connect, for receiving power supply signal and partial pressure respectively with power supply line VDD and division module 30
Signal, and according to the turn-on and turn-off of voltage division signal control power supply signal.
In one embodiment, comparison module 10 receives the signal in connector in multiple pins, when drawing in connector
When foot grafting is normal, the received voltage signal of comparison module 10 is high level, at this point, the control signal that comparison module 10 exports
It also is high level, at this point, first switch module 20 is connected, division module 30 receives the power supply signal that power supply line VDD is provided, and defeated
Corresponding voltage division signal out, second switch module 40 are connected after receiving the voltage division signal, and power supply signal in the connectors can be straight
Connect conducting.
In one embodiment, when the pin grafting exception in connector, in the received voltage signal of comparison module 10
There is low level, at this point, the control signal of comparison module output is also low level, first switch module 20 is turned off, division module
30 receive the power supply signal that power supply line VDD is provided, and export corresponding voltage division signal, and second switch module 40 receives partial pressure letter
It is turned off after number, power supply signal stops output, avoids back-end circuit because abnormal signal breaks down.
Fig. 2 is the structural schematic diagram for the fool proof circuit that another embodiment of the application provides.Referring to fig. 2, in a reality
Apply in example, comparison module 10 include with door D1, include at least one input terminal with door D1；
Input terminal with the input terminal of door D1 as comparison module 10, the output end with door D1 is as the defeated of comparison module 10
Outlet.
Leg signal in connector is by carrying out phase and processing with door D1, if the level of the leg signal in connector is not
Unanimously, at this point, exporting low level signal with door D1, if the level of the leg signal in connector is consistent, at this point, being exported with door D1
High level signal mutually exports low electricity with processing by carrying out with door D1 when occurring inconsistent by leg signal in the connectors
Ordinary mail number, the output for signal of cutting off the power lead to rear end it is possible to prevente effectively from the power supply signal occurred when connector inserts askew is abnormal
The phenomenon that circuit burnout.
Referring to fig. 2, in one embodiment, comparison module 10 includes:
First pin of first input end, first input end and connector connects, and the first pin is located at the first of connector
Side；And
The second pin of second input terminal, the second input terminal and connector connects, and second pin is located at the second of connector
Side.
Referring to fig. 2, in one embodiment, first switch module 20 includes the first electronic switching tube M1, the first electronic cutting
The control terminal for closing pipe M1 is connect as the control terminal of first switch module 20 with the output end of comparison module 10, the first electronic switch
The current output terminal of pipe M1 is grounded as the output end of first switch module 20, and the current input terminal of the first electronic switching tube M1 is made
It is connect for the input terminal of first switch module 20 with the current output terminal of division module 30.
In one embodiment, the first electronic switching tube M1 is N-type metal-oxide-semiconductor, and the drain electrode of N-type metal-oxide-semiconductor is as the first electronics
The current input terminal of switching tube M1, current output terminal of the source electrode of N-type metal-oxide-semiconductor as the first electronic switching tube M1, N-type metal-oxide-semiconductor
Current output terminal of the grid as the first electronic switching tube M1.
When connector grafting is normal, the signal of the pin in connector is consistent, at this point, with door D1 output high level letter
Number, second switch module 40 is connected in the first electronic switching tube M1 conducting, the voltage division signal that division module 30 exports, power supply line
VDD normal power supply.
When connector grafting exception, the signal of the pin in connector is inconsistent, at this point, with door D1 output low level letter
Number, the first electronic switching tube M1 is disconnected, and the voltage for the voltage division signal that division module 30 exports rises, at this point, switch module 40 is disconnected
It opens, power supply line VDD is disconnected.
Referring to fig. 2, in one embodiment, division module 30 includes:
First resistor unit, current output terminal and first switch of the first end of first resistor unit as division module 30
The input terminal of module 20 connects；And
The first end of second resistance unit, second resistance unit is connect with the second end of first resistor unit, as partial pressure
The voltage division signal output end of module 30 is connect with the control terminal of second switch module 40, the second end and power supply of second resistance unit
Line VDD connection.
In one embodiment, first resistor unit includes first resistor R1, and the first end of first resistor R1 is as first
The first end of resistance unit, second end of the second end of first resistor R1 as first resistor unit.
In one embodiment, first resistor unit can be the in series or in parallel of multiple resistance, wherein multiple resistance
First end of the first end as first resistor unit after in series or in parallel, the second end after multiple resistance are in series or in parallel
Second end as first resistor unit.
In one embodiment, second resistance unit includes second resistance R2, and the first end of second resistance R2 is as second
The first end of resistance unit, second end of the second end of second resistance R2 as second resistance unit.
When first switch module 20 is connected, second resistance R2 ground connection, the voltage division signal that division module 30 exports is low electricity
Ordinary mail number, the low level signal can make second switch module 40 be connected at this time, when first switch module 20 disconnects, second
Voltage between resistance R2 and first resistor R1 is high level, and the voltage division signal that division module 30 exports is high level signal, this
When the high level signal can make second switch module 40 disconnect, power supply line VDD disconnect.
Referring to fig. 2, in one embodiment, second switch module 40 includes the second electronic switching tube M2, the second electronic cutting
The control terminal for closing pipe M2 is connect as the control terminal of second switch module 40 with the voltage division signal output end of division module 30, and second
The current input terminal of electronic switching tube M2 is connect as the input terminal of second switch module 40 with power supply line, the second electronic switching tube
Output end of the current output terminal of M2 as second switch module 40.
In one embodiment, the second electronic switching tube M2 is that P type metal oxide semiconductor field-effect tube, polysilicon are thin
Any one in film transistor, amorphous silicon film transistor, Zinc oxide based film transistor or Organic Thin Film Transistors.
In one embodiment, the second electronic switching tube M2 is p-type metal-oxide-semiconductor, and the drain electrode of p-type metal-oxide-semiconductor is as the second electronics
The current output terminal of switching tube M2, current input terminal of the source electrode of p-type metal-oxide-semiconductor as the second electronic switching tube M2, p-type metal-oxide-semiconductor
Control terminal of the grid as the second electronic switching tube M2.
When the control terminal of the second electronic switching tube M2 is low level signal, the second electronic switching tube M2 conducting, when second
When the control terminal of electronic switching tube M2 is high level signal, the second electronic switching tube M2 is disconnected.
One embodiment of the application additionally provides a kind of connector, and connector includes such as any one of above-described embodiment
Fool proof circuit, for connecting display panel and screen driving plate.
In one embodiment, the wire rod of connector is flexible flat cable (FCC).
In one embodiment, referring to fig. 2, the input terminal of comparison module 10 is used for receiving screen driving plate (Tcon Board)
The drive voltage signal of output, in the present embodiment, the input terminal of comparison module 10 take the first side and second side in connector
In respectively take a pin as the input terminal of fool proof circuit, the present embodiment is with first pin Enable1 in the wire rod of connector
For second pin Enable2.
In one embodiment, the voltage of the drive voltage signal of screen driving plate output is 3.3V, and fool proof circuit rear end connects
The X Board connect is defaulted as low level, and when connector normally connects, the pin pull-up in X Board becomes high level, at this
In embodiment, when the connection of FFC wire rod is normal, the voltage signal of first pin Enable1 and second pin Enable2 are
High level is then high level, the first electronic switching tube M1 conducting, since resistance R1 and resistance R2 divides meeting with door D1 logic judgment
So that the voltage of the control terminal of the second electronic switching tube M2 reduces, so that the second electronic switching tube M2 is connected, power supply line is mentioned
The power supply signal of confession can be input to X Board；
In one embodiment, when FFC is not connected normally, first in the wire rod of connector pin Enable1 and
It is low level with the output of door D1 logic judgment when the voltage signal of any pin in two pin Enable2 is low level, then the
One electronic switching tube M1 is off state, and the control terminal of the second electronic switching tube M2 is then because pull-up resistor R1 is connected to power supply
Line causes the power supply signal in power supply line VDD to fail to be input to X Board, to protect so that the second electronic switching tube M2 is turned off
Protect the electronic component when FFC has been not connected on X Board；
In the present embodiment, it by electrical fool proof, then does not need to carry out connector the change in structure, such as do mechanism
Part fool proof causes connector volume to increase, and can continue to continue to use connector conventional in the market, so that the connector improved is logical
The property used.
Fig. 3 is the structural schematic diagram for the display device that one embodiment of the application provides.
As shown in figure 3, the display device 60 in the present embodiment, comprising:
Display panel 63；
Shield driving plate 62；And
Connector 61 in above-described embodiment.
In one embodiment, display device 60 can be any type of display dress for being provided with above-mentioned connector 61
It sets, such as liquid crystal display device (Liquid Crystal Display, LCD), Organic Electricity laser display (Organic
Electroluminesence Display, OLED) display device, light emitting diode with quantum dots (Quantum Dot Light
Emitting Diodes, QLED) display device or curved-surface display device etc..
In one embodiment, display panel 63 includes the pixel array being made of multirow pixel and multiple row pixel.
The embodiment of the present application provides a kind of fool proof circuit, connector and display device, by comparing module with connect
The input port of device connects, and receives multiple input signals of connector, and export control signal according to multiple input signals, with logical
The on or off for crossing first switch module generates the voltage division signal for controlling the on or off of power supply signal, so that connection
The output of device timely power cutoff signal in wrong plug, avoid because connector wrong plug and causing electronic component to burn causes
Panel can not normal use the problem of.
The foregoing is merely the alternative embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. a kind of fool proof circuit characterized by comprising
Comparison module is connect with the input port of connector, for receiving multiple input signals of the connector, and according to more
A input signal output control signal；
First switch module is connect with the comparison module, for being connected or being turned off according to the control signal；
Division module is connect with power supply line and the first switch module respectively, for receiving the letter of the power supply on the power supply line
Number, and corresponding voltage division signal is exported according to the conducting of the first switch module or shutdown；
Second switch module is connect with the power supply line and the division module respectively, for receiving the power supply signal and institute
Voltage division signal is stated, and controls the turn-on and turn-off of the power supply signal according to the voltage division signal.
2. fool proof circuit as described in claim 1, which is characterized in that the comparison module include with door, it is described to include with door
At least one input terminal；
The input terminal with the input terminal of door as the comparison module, described and door output end is as the comparison module
Output end.
3. fool proof circuit as described in claim 1, which is characterized in that the comparison module includes:
First input end, the first input end are connect with the first pin of the connector, and first pin is located at described
First side of connector；And
Second input terminal, second input terminal are connect with the second pin of the connector, and the second pin is located at described
Second side of connector.
4. fool proof circuit as described in claim 1, which is characterized in that the first switch module includes the first electronic switch
Pipe, the control terminal of first electronic switching tube is as the control terminal of the first switch module and the output of the comparison module
End connection, the current output terminal of first electronic switching tube are grounded as the output end of the first switch module, and described the
The current input terminal of one electronic switching tube is exported as the input terminal of the first switch module and the electric current of the division module
End connection.
5. fool proof circuit as described in claim 1, which is characterized in that the division module includes:
First resistor unit, the first end of the first resistor unit is as the current output terminal of the division module and described the
The input terminal of one switch module connects；And
Second resistance unit, the first end of the second resistance unit are connect with the second end of the first resistor unit, as
The voltage division signal output end of the division module is connect with the control terminal of the second switch module, the second resistance unit
Second end is connect with the power supply line.
6. fool proof circuit as described in claim 1, which is characterized in that the second switch module includes the second electronic switch
Pipe, the control terminal of second electronic switching tube is as the control terminal of the second switch module and the partial pressure of the division module
Signal output end connection, input terminal and institute of the current input terminal of second electronic switching tube as the second switch module
State power supply line connection, output end of the current output terminal of second electronic switching tube as the second switch module.
7. fool proof circuit as claimed in claim 6, which is characterized in that second electronic switching tube is p-type metal oxide
Semiconductor field, polycrystalline SiTFT, amorphous silicon film transistor, Zinc oxide based film transistor or organic film
Any one in transistor.
8. a kind of connector, which is characterized in that the connector includes such as fool proof electricity of any of claims 1-7
Road, for connecting display panel and screen driving plate.
9. connector as claimed in claim 8, which is characterized in that the wire rod of the connector is flexible flat cable.
10. a kind of display device characterized by comprising
Display panel；
Shield driving plate；And
Connector according to any one of claims 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547277.0A CN109412134A (en) | 2018-12-18 | 2018-12-18 | Fool-proof circuit, connector and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547277.0A CN109412134A (en) | 2018-12-18 | 2018-12-18 | Fool-proof circuit, connector and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109412134A true CN109412134A (en) | 2019-03-01 |
Family
ID=65459581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811547277.0A Pending CN109412134A (en) | 2018-12-18 | 2018-12-18 | Fool-proof circuit, connector and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109412134A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462166A (en) * | 2020-11-04 | 2021-03-09 | 龙尚科技（上海）有限公司 | Fool-proof detection circuit and clamp |
| WO2024108514A1 (en) * | 2022-11-24 | 2024-05-30 | 惠州视维新技术有限公司 | Protection circuit, display device, and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930019001U (en) * | 1992-01-09 | 1993-08-21 | 삼성전자 주식회사 | Prevention of timer malfunction of liquid crystal projector and reset circuit of microcomputer reset |
| CN203645321U (en) * | 2013-11-15 | 2014-06-11 | 希姆通信息技术（上海）有限公司 | A foolproof protection circuit |
| CN104993469A (en) * | 2015-06-30 | 2015-10-21 | 俞亮亮 | Fool-proof protection circuit |
| CN209134062U (en) * | 2018-12-18 | 2019-07-19 | 惠科股份有限公司 | Fool-proof circuit, connector and display device |
-
2018
- 2018-12-18 CN CN201811547277.0A patent/CN109412134A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930019001U (en) * | 1992-01-09 | 1993-08-21 | 삼성전자 주식회사 | Prevention of timer malfunction of liquid crystal projector and reset circuit of microcomputer reset |
| CN203645321U (en) * | 2013-11-15 | 2014-06-11 | 希姆通信息技术（上海）有限公司 | A foolproof protection circuit |
| CN104993469A (en) * | 2015-06-30 | 2015-10-21 | 俞亮亮 | Fool-proof protection circuit |
| CN209134062U (en) * | 2018-12-18 | 2019-07-19 | 惠科股份有限公司 | Fool-proof circuit, connector and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462166A (en) * | 2020-11-04 | 2021-03-09 | 龙尚科技（上海）有限公司 | Fool-proof detection circuit and clamp |
| WO2024108514A1 (en) * | 2022-11-24 | 2024-05-30 | 惠州视维新技术有限公司 | Protection circuit, display device, and detection method |
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