CN205318809U - Display device and display system - Google Patents
Display device and display system Download PDFInfo
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- CN205318809U CN205318809U CN201620050602.2U CN201620050602U CN205318809U CN 205318809 U CN205318809 U CN 205318809U CN 201620050602 U CN201620050602 U CN 201620050602U CN 205318809 U CN205318809 U CN 205318809U
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Abstract
The application discloses display device and display system, this display device includes: the display module assembly is connected with host system for the image data and the control signal display image that send according to host system, detection module, respectively with the display module assembly with host system is connected, is used for detecting the parameter of display module assembly, and will the detection data transmission that the parametric switch becomes the predetermined format arrives host system, host system is used for the basis it judges to detect the analysis of the data result the state of display module assembly to display module assembly to normal condition sends image data and control signal, wherein, the state of display module assembly includes normal condition and malfunction. The utility model provides a display device and display system's reliability obviously strengthens.
Description
Technical field
The application relates to Display Technique field, particularly relates to a kind of display unit and display system.
Background technology
Liquid crystal display has the advantage such as Low emissivity and low-power consumption, has now been widely used in the fields such as portable display, car-mounted display, industry control display and medical treatment display. Usually, existing display unit can not oneself detect in the process used, and require that higher field, display unit just there will be the consequence being difficult to estimate once break down, and are described for display device for mounting on vehicle below in security performances such as car-mounted display and medical treatment displays.
In existing display device for mounting on vehicle, data signal can only carry out unidirectional transmission from master control module to display module, and display module can not be supplied to master control module feedback signal. Therefore, when showing module and break down, master control module constantly will send data signal to display module, and at this moment owing to display module cannot normally show, and driver cannot be known and automobile current state is really unfavorable for the driving safety of automobile.
Practical novel content
The object of the application is to propose a kind of display unit and display system, solves the technical problem that above background section is mentioned.
For achieving the above object, first aspect, this application provides a kind of display unit, comprising: display module, is connected with master control module, and view data and control signal for sending according to master control module show image; Detection module, is connected with described master control module with described display module respectively, for detecting the parameter of described display module, and described Parameter Switch becomes the detection data of predetermined form be sent to described master control module; Described master control module is used for the state that the analysis result according to described detection data judges described display module, and sends view data and control signal to the display module of normal condition, and wherein, the state of described display module comprises normal condition and fault state.
In certain embodiments, described detection module comprises following at least one item: RGB data detecting unit, driving chip sequential detecting signal unit, display panel periphery detecting unit, pixel detection unit.
In certain embodiments, described RGB data detecting unit is for detecting the parameter of RGB numerical value and/or following at least one signal in described display module: line synchronising signal, field synchronization signal, data strobe signal, rgb signal, and the detection data corresponding with the parameter of described RGB numerical value and/or described signal are sent to described master control module.
In certain embodiments, described master control module is used for mating detection data corresponding for the value of consuming time with described and/or described RGB data mutually with the standard value preset, and determines the state of described display module according to matching result.
In certain embodiments, described driving chip sequential detecting signal unit is for detecting the described source driving chip of display module and the input signal of grid drive chip and/or output signal, and the detection data corresponding with described input signal and/or described output signal are sent to described master control module.
In certain embodiments, described master control module is used for mating the detection data corresponding with described input signal and/or described output signal mutually with the standard value preset, and determines the state of described display module according to matching result.
In certain embodiments, 2nd voltage signal of the 2nd conductive layer in flexible circuitry plate in first voltage signal of described display panel periphery detecting unit shows panel periphery for detecting the first conductive layer in described display module and/or described display module, and the detection data corresponding with described first voltage signal and/or the 2nd voltage signal are sent to described master control module, wherein, described first conductive layer is surrounded on the edge of whole described display panel, it is connected with described display panel periphery detecting unit with signal source respectively, the two ends of described 2nd conductive layer are connected with described display panel periphery detecting unit with the idle pin in described flexible circuitry plate respectively.
In certain embodiments, described master control module is used for mating the detection data corresponding with described first voltage signal and/or described 2nd voltage signal mutually with the standard value preset, and determines the state of described display module according to matching result.
In certain embodiments, described pixel detection unit is for detecting following at least one the parameter of pixel in described display module: the charging electric current of the charging time of pixel, the electric discharge time of pixel, pixel, and the detection data corresponding with described parameter are sent to described master control module.
In certain embodiments, described master control module is used for mating the detection data corresponding with the parameter of each described pixel mutually with the standard value preset, and determines the state of described display module according to matching result.
Second aspect, this application provides a kind of display system, comprises alarming device and above-mentioned display unit, and wherein, described alarming device is used for the signal of the fault state of the display module in response to the transmission of master control module, sends warning signal.
The display unit that the application provides and display system, by the parameter of detection module detection display module, and detection data corresponding for parameter are sent to master control module, so that master control module can obtain the status information of display module at any time, so that master control module can send warning signal timely when showing module generation fault, it is to increase the reliability of display unit and display system.
Accompanying drawing explanation
By reading with reference to detailed description non-limiting example done that the following drawings is done, the other features, objects and advantages of the application will become more obvious:
Fig. 1 is the structure schematic diagram of the first embodiment of the display unit according to the application;
Fig. 2 is the structure schematic diagram of the 2nd embodiment of the display unit according to the application;
Fig. 3 is the structure schematic diagram of the 3rd embodiment of the display unit according to the application;
Fig. 4 is the structure schematic diagram of the 4th embodiment of the display unit according to the application;
Fig. 5 is the structure schematic diagram of the 5th embodiment of the display unit according to the application;
Fig. 6 is the structure schematic diagram of an embodiment of the display system according to the application.
Specific embodiment party formula
Below in conjunction with drawings and Examples, the application is described in further detail. It should be appreciated that specific embodiment described herein is only for explaining relevant utility model, but not the restriction that this practicality is novel. It also should be noted that, for convenience of description, accompanying drawing illustrate only to about practical novel relevant part.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually. Below with reference to the accompanying drawings and come the application is described in detail in conjunction with the embodiments.
Please refer to Fig. 1, it illustrates the structure schematic diagram of the first embodiment of the display unit of the application. As shown in the figure, the display unit of the application comprises display module 101, detection module 102 and master control module 103.
In the present embodiment, above-mentioned display module 101 is connected with master control module 103, and view data and control signal for sending according to master control module 103 show image. Wherein, above-mentioned display module 101 comprises driving plate, flexible circuitry plate, display panel etc. For display device for mounting on vehicle, under open state, what master control module 103 continued sends view data and control signal to display module 101, and received view data and control signal are converted to the display image of such as map picture or navigation screen etc. by above-mentioned display module 101.
In the present embodiment, above-mentioned detection module 102 is connected with above-mentioned master control module 103 with above-mentioned display module 101 respectively, for the parameter of detection display module 101, and detected Parameter Switch become the detection data of predetermined form be sent to master control module 103.
In some optional implementations of the present embodiment, above-mentioned detection module 102 comprises following at least one item: RGB data detecting unit, driving chip sequential detecting signal unit, display panel periphery detecting unit, pixel detection unit. Above-mentioned detection module 102 specifically may be used for detecting the such as electric current signal of the pixel in above-mentioned display module 101 and driving chip etc. and the parameter of voltage signal, and the form then becoming above-mentioned master control module 103 to identify this Parameter Switch informs master control module 103. Here, above-mentioned testing result can be fed back to master control module 103 by I/O port etc. by above-mentioned detection module 102.
In the present embodiment, above-mentioned master control module 103 for judging the state of above-mentioned display module 101 according to the analysis result of above-mentioned detection data, and sends view data and control signal to the display module 101 of normal condition. Wherein, the state of above-mentioned display module 101 can comprise normal condition and fault state.
In some optional implementations of the present embodiment, above-mentioned master control module 103 can preserve detection data corresponding to the every normal parameter of above-mentioned display module 101 in advance as standard value, above-mentioned standard value may be used for the detection Data Matching corresponding to parameter value detected with detection module 102, and judge the state of display module 101 according to matching result.
In some optional implementations of the present embodiment, above-mentioned master control module 103 can obtain the detection data of above-mentioned detection module 102 transmission by communications such as wired communication mode or bluetooth such as I/O port, twin wire serial buses (I2C bus), and judge the state of above-mentioned display module 101 according to above-mentioned detection data. Such as, master control module 103 can receive detection data by I/O port, and when I/O port level is driven high, above-mentioned display module 101 is in fault state, and when I/O port level is drawn low, above-mentioned display module 101 is in normal condition.
It should be noted that, the position relation showing module 101, detection module 102 and master control module 103 in Fig. 1 is only schematic, carries out corresponding setting according to different demands. Such as, in order to facilitate detection module 102 to detect the parameter of above-mentioned display module 101, it is possible to detection module 102 is arranged in display module 101. And the line between above-mentioned display module 101, detection module 102 and master control module 103 is not expression must be electrically connected, above-mentioned connection can be electrical connection or wireless connections etc. according to the actual needs. Further, the number of above-mentioned detection module 102 is also schematically, can arrange the detection module of different number as required.
Display unit in above-described embodiment of the application, by the parameter of detection module 102 detection display module 101, and the detection data that Parameter Switch becomes predetermined form are sent to master control module 103, so that master control module 103 can obtain the status information of display module 101 at any time, so that master control module 103 occurs can send warning signal timely during fault at display module 101 so that the reliability of the display unit that the application provides obviously strengthens.
It is the structure schematic diagram of the 2nd embodiment of the display unit according to the application with continued reference to Fig. 2, Fig. 2, it illustrates the structure schematic diagram of the state by RGB data detecting unit 211 detection display module 201. Here, detection module 210 at least comprises a RGB data detecting unit 211.
In the present embodiment, above-mentioned RGB data detecting unit 211 is for the parameter of RGB numerical value and/or following at least one signal in detection display module 201: line synchronising signal, field synchronization signal, data strobe signal, rgb signal, and the detection data corresponding with the parameter of above-mentioned RGB numerical value and/or described signal are sent to master control module 203.
In the present embodiment, above-mentioned master control module 203 is for mating the detection data corresponding with the parameter of above-mentioned RGB numerical value and/or above-mentioned signal mutually with the standard value preset, and determines the state of above-mentioned display module 101 according to matching result.
In some optional implementations of the present embodiment, in normal operation, the image that display module 201 shows can change according to the change of the such as vision signal that above-mentioned master control module 203 sends, therefore the rgb signal received of above-mentioned display module 201 can change in preset time period, if and above-mentioned RGB data detecting unit 211 preset time period receive decode via the decoder of display module 201 after the rgb signal never change that obtains, namely above-mentioned master control module 203 is in the detection data never change of preset time period rgb signal, then can think that fault occurs this display module 201. further, when above-mentioned master control module 203 continues to receive the detection data that RGB numerical value is 0 in preset time period, it is also possible to think that fault occurs this display module 201.
In some optional implementations of the present embodiment, in normal operation, when display unit is same step mode (SYNC pattern), display module 201 is gone synchronously when scanning by line synchronising signal (HS signal), carries out field synchronization with field synchronization signal (VS signal) after having scanned all row. Therefore, if above-mentioned RGB data detecting unit 211 can not detect above-mentioned HS signal or VS signal in preset time period, namely above-mentioned master control module 203 receives the detection data never change of HS signal or VS signal in preset time period, it is possible to think that fault occurs this display module 201. Here, it is possible to according to detection HS signal or the different preset time period of VS signal setting, the preset time period such as detecting HS signal can be 10 line scanning times time long, and the preset time period detecting VS signal can be 10 frame scan times time long.
Based on above-mentioned identical reason, in normal operation, when display unit is DE (data gating) pattern, if above-mentioned RGB data detecting unit 211 can not detect above-mentioned data strobe signal (DE signal) in preset time period, namely above-mentioned master control module 203 is receiving the detection data never change of DE signal in preset time period, it is possible to think that fault occurs above-mentioned display module 201.
It is the structure schematic diagram of the 3rd embodiment of the display unit according to the application with further reference to Fig. 3, Fig. 3, it illustrates the structure schematic diagram by driving chip sequential detecting signal unit 311 detection display module 301 state, as shown in Figure 3. Here, detection module 310 at least comprises a driving chip sequential detecting signal unit 311.
In the present embodiment, above-mentioned driving chip sequential detecting signal unit 311 is for the input signal of the source driving chip 303 and grid drive chip 304 that detect above-mentioned display module 301 and/or output signal, and the detection data corresponding with above-mentioned input signal and/or described output signal are sent to master control module (not shown).
In the present embodiment, above-mentioned master control module (not shown) is used for mating the detection data corresponding with above-mentioned input signal and/or output signal mutually with the standard value preset, and determines the state of above-mentioned display module 301 according to matching result.
In some optional implementations of the present embodiment, in a display device, above-mentioned source driving chip 303 is for controlling the pixel signal of each row, and grid drive chip 304 is for controlling the pixel signal of all row. here, source driving chip 303 and grid drive chip 304 mainly play the effect of shift register. therefore, driving chip sequential detecting signal unit 311 may be used for detecting input signal and the whether satisfied timing requirements preset of output signal of source driving chip 303 and grid drive chip 304, or whether sustainable existence input signal and output signal within the default time, if not meeting, in input signal and/or the output signal of above-mentioned source driving chip 303 and grid drive chip 304, the timing requirements preset, or input signal and/or output signal do not detected in the default time exceeding such as 10 row, then above-mentioned master control module (not shown) the detection data corresponding according to above-mentioned testing result can judge that above-mentioned display module 301 is in fault state. here, it is possible in advance according to the optimum configurations standard value of the display module of normal condition, then detection data corresponding for the testing result of display module 301 mates with standard value, show the state of module 301 according to matching result judgement.
It will be appreciated by those skilled in the art that, the number of the detection module 310 in Fig. 3 is only exemplary, according to the needs realized, it is possible to have the detection module 310 of arbitrary number. And above-mentioned display unit also comprises other structure, in order to make the present embodiment more concisely clear, such as master control module (providing view data and control signal) is not shown, drives the structures such as plate.
Please refer to Fig. 4, Fig. 4 is the structure schematic diagram of the 4th embodiment of the display unit according to the application, it illustrates the structure schematic diagram by showing panel periphery detecting unit 411 detection display module state. When display module is when being subject to external force effect, it is possible to the damage showing panel 401 can be caused, especially show the flexible circuitry plate 403 in module, can there is the risk being torn under the effect of external force. , it is also possible to by detection display panel 401 and flexible circuitry plate 403, therefore to judge to show the state of module. Here, detection module 410 at least comprises a display panel periphery detecting unit 411.
In the present embodiment, 2nd voltage signal of the 2nd conductive layer 406 in flexible circuitry plate 403 in first voltage signal of above-mentioned display panel periphery detecting unit 411 shows panel 401 periphery for detecting the first conductive layer 405 in above-mentioned display module and/or above-mentioned display module, and the detection data corresponding with above-mentioned first voltage signal and/or the 2nd voltage signal are sent to master control module (not shown). Wherein, above-mentioned first conductive layer 405 is surrounded on the edge of whole display panel 401, being connected with display panel periphery detecting unit 411 with signal source respectively, the two ends of described 2nd conductive layer are connected with above-mentioned display panel periphery detecting unit 411 with the idle pin in above-mentioned flexible circuitry plate 403 respectively.
In the present embodiment, above-mentioned master control module (not shown) is used for mating the detection data corresponding with above-mentioned first voltage signal and/or the 2nd voltage signal mutually with the standard value preset, and determines to show the state of module according to matching result.
In some optional implementations of the present embodiment, can around the first conductive layer 405 around display panel 401, and the two ends of this first conductive layer 405 are connected with above-mentioned detection module 410 with driving the signal source in plate 404 respectively, such signal just can pass to detection module 410 by the first conductive layer 405 from the signal source driving plate 404. Here, it is possible to by connecting a pull-up resistor at the first conductive layer 405 near the side of signal source, the signal of signal source is changed into high voltage signal or low voltage signal. In normal operation, therefore, the signal at the two ends of above-mentioned first conductive layer 405 is identical, and when above-mentioned display panel 401 is when being subject to external force effect and break, above-mentioned first conductive layer 405 will disconnect, and detection module 410 does not just receive signal in this case so that voltage is 0V. Master control module (not shown) when the detection data that the 0V voltage receiving module 410 to be detected transmission is corresponding, then can think that the display panel 401 of this display module there occurs fault.
In some optional implementations of the present embodiment, because flexible circuitry plate 403 is display panel 401 and the important connection driving plate 404, and flexible circuitry plate 403 is very easily torn because of the characteristic of self under the effect of external force. Therefore, it is possible to detect whether it tears by the 2nd conductive layer 406 of arranging on above-mentioned flexible circuitry plate 403. As shown in the figure, the idle pin 1 of the leftmost side of above-mentioned flexible circuitry plate 403 is connected by the 2nd conductive layer 406 with idle pin 2, then by pull-up resistor (not shown), by driving, the signal source on plate 404 is connected to idle pin 1, detection module 410 is connected to idle pin 2, based on above-mentioned identical reason, when master control module (not shown) receive until detection module 410 send detection data corresponding to 0V voltage time, then can think that the flexible circuitry plate 403 of this display module there occurs fault. Finally, in order to more comprehensively detect whether flexible circuitry plate 403 fault occurs, it is also possible to idle pin 3 and idle pin 4 in the rightmost side of above-mentioned flexible circuitry plate 403 detect by same method.
It should be noted that, above-mentioned first conductive layer 405 and the 2nd conductive layer 406 can by plating upper conductive film at glass surface, and such as, oxidation indium tin (ITO) film is formed. Conductive layer has the performance of conduction, and the effect lower conductiving layer in external force is easy as glass again to break. Therefore, above-mentioned first conductive layer 405 of the present embodiment and the 2nd conductive layer 406 can detect out the periphery of display panel and whether flexible circuitry plate there occurs fault under the shock of external force effectively.
It is the structure schematic diagram of the 5th embodiment of the display unit according to the application with continued reference to Fig. 5, Fig. 5, it illustrates the structure schematic diagram by pixel detection unit 511 detection display module state. When display module is when being subject to external force effect, the edge of display panel may be not impaired, and the pixel being positioned at display middle panel position is damaged, if at this moment adopting above-mentioned display panel periphery detecting unit 411 just can not detect out the state of display module. Therefore, charging time, the electric discharge time of the pixel in detection display panel or the phase related parameters such as electric current that charge can be passed through here, then judge to show the state of modules according to the charging time of pixel, the detection data of the correspondence such as time or charging electric current of discharging. Here, detection module 510 at least comprises a pixel detection unit 511.
In the present embodiment, above-mentioned pixel detection unit 511 is for following at least one the parameter of pixel in detection display module: the charging electric current of the charging time of pixel, the electric discharge time of pixel, pixel, and the detection data corresponding with above-mentioned parameter are sent to master control module (not shown).
In the present embodiment, master control module (not shown) is used for mating the detection data corresponding with the parameter of each pixel mutually with the standard value preset, and determines to show the state of module according to matching result.
In some optional implementations of the present embodiment, source driving chip 503 and grid drive chip 504 in display panel charge to respectively each row in pixel district in display panel and each row pixel, therefore the pixel detection unit 511 of detection module 510 can be connected with grid drive chip 504 with source driving chip 503 by detection line, and acquisition source driving chip 503 and grid drive chip 504 give the situation of the pixel charging of each row and each row. In Fig. 5, in order to the connection relation clearly indicated between detection line, source driving chip 503, grid drive chip 504 and pixel inspection unit 511, schematically show only some row and columns. But it is understood that pixel detection unit 511 can obtain source driving chip 503 and grid drive chip 504 to the situation of each row and the pixel charging of each row by each row and detection line corresponding to every one-row pixels in display panel. There is pixel can not charge if above-mentioned pixel detection unit 511 detect in display module, but or the electric current that can charge be less than the charging electric current of normal pixel, then can think that the row or column at this pixel place exists fault.
In some optional implementations of the present embodiment, a line and/row pixel can also be increased at the most edge of display panel, and pixel detection unit 511 is by the row of detection increase and/or the charging time of the pixel of row, the parameter such as time or charging electric current of discharging, so that the state that master control module (not shown) judges to show module by detection data corresponding for above-mentioned parameter being mated with standard value. Such as when the resolution ratio showing panel is 1920*1080, then can in display panel edges along the pixel increasing by 1921 row and 1081 row, here the pixel increased can show and for detection, charging time, the electric discharge time of 1921 row of increase and the pixel of 1081 row or the electric current signal that charges is not received when above-mentioned pixel detection unit 511, or when the signal received is different from positive constant value, it is also possible to the pixel thought in the pixel panel between the pixel increased and source driving chip 503 or grid drive chip 504 exists fault.
In some optional implementations of the present embodiment, by detection line etc., each parameter of detection display module can be detected, then the parameter detected is sent to and drives the detection module in plate to carry out the operations such as data conversion, it should be noted that, in this kind of situation, detection line etc. are also parts for above-mentioned detection module.
The above embodiments of the present application provide display unit can so that master control module can be real-time acquisition display module state, so that master control module can be known the display fault of module timely and make emergency measure timely, it is to increase the reliability of display unit.
With further reference to Fig. 6, it illustrates the structure schematic diagram of an embodiment of the display system of the application. This display system 600, comprises the display unit 610 in alarming device 601 and above-described embodiment.
In the present embodiment, the display unit 610 in above-mentioned display system 600 comprises display module 611, detection module 610 and master control module 613, and the concrete structure of this display unit and principle are same as the previously described embodiments, repeat no more here.
It should be noted that, above-mentioned alarming device 601, for the signal of the fault state of display module 611 sent in response to master control module 613, sends warning signal. Such as, alarming device can be signal lamp, and warn signal can for red light warning.
It should be noted that, the display unit of the application and display system can be applied to car-mounted display field, medical treatment display field, industry control display field etc. When the application is carried out various change and distortion and do not depart from the scope of the application by the technical staff of this area, all it is considered as in the protection domain of the application.
The better embodiment being only the application and the explanation to institute's application technology principle are more than described. Those skilled in the art are to be understood that, practical novel scope involved in the application, the technical scheme being not limited to the particular combination of above-mentioned technology feature and become, also should be encompassed in when not departing from the novel design of described practicality simultaneously, carry out other technical scheme being combined and formed by above-mentioned technology feature or its equivalent feature. Such as, disclosed in above-mentioned feature and the application, (but being not limited to) has the technical scheme that the technology feature of similar functions is replaced mutually and formed.
Claims (11)
1. a display unit, it is characterised in that, comprising:
Display module, is connected with master control module, and view data and control signal for sending according to master control module show image;
Detection module, is connected with described master control module with described display module respectively, for detecting the parameter of described display module, and described Parameter Switch becomes the detection data of predetermined form be sent to described master control module;
Described master control module is used for the state that the analysis result according to described detection data judges described display module, and sends view data and control signal to the display module of normal condition, and wherein, the state of described display module comprises normal condition and fault state.
2. display unit according to claim 1, it is characterised in that, described detection module comprises following at least one item:
RGB data detecting unit, driving chip sequential detecting signal unit, display panel periphery detecting unit, pixel detection unit.
3. display unit according to claim 2, it is characterized in that, described RGB data detecting unit is for detecting the parameter of RGB numerical value and/or following at least one signal in described display module: line synchronising signal, field synchronization signal, data strobe signal, rgb signal, and the detection data corresponding with the parameter of described RGB numerical value and/or described signal are sent to described master control module.
4. display unit according to claim 3, it is characterized in that, described master control module is used for mating the detection data corresponding with the parameter of described RGB numerical value and/or described signal mutually with the standard value preset, and determines the state of described display module according to matching result.
5. display unit according to claim 2, it is characterized in that, described driving chip sequential detecting signal unit is for detecting the described source driving chip of display module and the input signal of grid drive chip and/or output signal, and the detection data corresponding with described input signal and/or described output signal are sent to described master control module.
6. display unit according to claim 5, it is characterized in that, described master control module is used for mating the detection data corresponding with described input signal and/or described output signal mutually with the standard value preset, and determines the state of described display module according to matching result.
7. display unit according to claim 2, it is characterized in that, 2nd voltage signal of the 2nd conductive layer in flexible circuitry plate in first voltage signal of described display panel periphery detecting unit shows panel periphery for detecting the first conductive layer in described display module and/or described display module, and the detection data corresponding with described first voltage signal and/or the 2nd voltage signal are sent to described master control module, wherein, described first conductive layer is surrounded on the edge of whole described display panel, it is connected with described display panel periphery detecting unit with signal source respectively, the two ends of described 2nd conductive layer are connected with described display panel periphery detecting unit with the idle pin in described flexible circuitry plate respectively.
8. display unit according to claim 7, it is characterized in that, described master control module is used for mating the detection data corresponding with described first voltage signal and/or described 2nd voltage signal mutually with the standard value preset, and determines the state of described display module according to matching result.
9. display unit according to claim 2, it is characterized in that, described pixel detection unit is for detecting following at least one the parameter of pixel in described display module: the charging electric current of the charging time of pixel, the electric discharge time of pixel, pixel, and the detection data corresponding with described parameter are sent to described master control module.
10. display unit according to claim 9, it is characterised in that, described master control module is used for mating the detection data corresponding with the parameter of each described pixel mutually with the standard value preset, and determines the state of described display module according to matching result.
11. a display system, it is characterised in that, comprise the display unit as described in alarming device and item as arbitrary in claim 1-10, wherein, described alarming device is used for the signal of the fault state of the display module in response to the transmission of master control module, sends warning signal.
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| CN201620050602.2U CN205318809U (en) | 2016-01-19 | 2016-01-19 | Display device and display system |
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| CN201620050602.2U CN205318809U (en) | 2016-01-19 | 2016-01-19 | Display device and display system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428763A (en) * | 2019-07-15 | 2019-11-08 | 深圳市华星光电半导体显示技术有限公司 | Array substrate test device |
| CN110648617A (en) * | 2019-09-29 | 2020-01-03 | 成都天马微电子有限公司 | Display device, detection method and display system |
| CN111613160A (en) * | 2020-04-02 | 2020-09-01 | 深圳益实科技有限公司 | Method and system for judging display fault of LCD display screen |
-
2016
- 2016-01-19 CN CN201620050602.2U patent/CN205318809U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110428763A (en) * | 2019-07-15 | 2019-11-08 | 深圳市华星光电半导体显示技术有限公司 | Array substrate test device |
| CN110648617A (en) * | 2019-09-29 | 2020-01-03 | 成都天马微电子有限公司 | Display device, detection method and display system |
| CN110648617B (en) * | 2019-09-29 | 2023-02-28 | 成都天马微电子有限公司 | Display device, detection method and display system |
| CN111613160A (en) * | 2020-04-02 | 2020-09-01 | 深圳益实科技有限公司 | Method and system for judging display fault of LCD display screen |
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