CN208351186U - A kind of display device of vending machine - Google Patents
A kind of display device of vending machine Download PDFInfo
- Publication number
- CN208351186U CN208351186U CN201820896111.9U CN201820896111U CN208351186U CN 208351186 U CN208351186 U CN 208351186U CN 201820896111 U CN201820896111 U CN 201820896111U CN 208351186 U CN208351186 U CN 208351186U
- Authority
- CN
- China
- Prior art keywords
- constant current
- plate
- current plate
- driving
- backlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 42
- 238000001816 cooling Methods 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model embodiment discloses a kind of display device of vending machine.The device includes: liquid crystal display panel and PCB driving mainboard；Wherein, image decoding driving plate, and the backlight constant current plate being electrically connected with described image decoding driving plate are integrated on the PCB driving mainboard；The liquid crystal display panel decodes driving plate with described image and the backlight constant current plate is electrically connected；The image that the backlight constant current plate shows for the liquid crystal display panel provides backlight；Described image decoding driving plate drives the liquid crystal display panel to show image corresponding with external input signal according to external input signal.The technical solution of the utility model improves the anti-interference ability of display screen, to improve the stability of the display device non-stop run of self-service sale device.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of display devices of vending machine.
Background technique
Display device applications are extensive, currently, self-service sale device is equipped with one piece of liquid crystal touch display screen for buying commodity
Or launch advertisement.The touch display screen is self-service sale device and the interactive entrance of consumer, once the screen breaks down, and it is whole
Machine then can not normally sell goods, it is bad thereby result in user experience, and bring serious loss to operator.Therefore, how to allow certainly
It helps the display screen of vending machine more stable in non-stop run in 365 days, is current urgent problem.
Currently, liquid crystal touch display screen is mainly by touch screen, liquid crystal display panel, Switching Power Supply, image decoding driving mainboard, back
Light constant current plate, the main components such as key control panel composition, and these components all concentrate on the back side metal plate mounting plate of complete machine,
And they are entirely that following two side will be present since connecting line is excessive in the connection carried out by electronic cable between each other
The problem of face: 1) complete machine anti-interference ability will substantially reduce；2) connecting line works long hours in the high temperature of 50 degrees centigrades
Under, it is easy aging, to cause some other failures.
Utility model content
The utility model embodiment provides a kind of display device of vending machine, improves the stability of display screen work, and
Improve production efficiency.
For this purpose, the utility model embodiment provides a kind of display device of vending machine, which includes:
Liquid crystal display panel and PCB drive mainboard；Wherein,
It is integrated with image decoding driving plate on the PCB driving mainboard, and is electrically connected with described image decoding driving plate
Backlight constant current plate；
The liquid crystal display panel decodes driving plate with described image and the backlight constant current plate is electrically connected；
The image that the backlight constant current plate shows for the liquid crystal display panel provides backlight；
Described image decoding driving plate is shown according to the external input signal driving liquid crystal display panel and external input signal
Corresponding image.
Specifically, it is also integrated on the PCB driving mainboard: Switching Power Supply；
The Switching Power Supply decodes driving with described image and the backlight constant current plate is electrically connected, and decodes for described image
Driving plate and the backlight constant current plate provide electricity.
Specifically, it is also integrated on the PCB driving mainboard: key control panel；
The key control panel is electrically connected with described image decoding driving plate, response external input signal.
It is also integrated on the PCB driving mainboard: brightness control sensor；
The brightness control sensor decodes driving plate by described image, is electrically connected with the backlight constant current plate, adjusts
The output signal strength of the backlight constant current plate.
Specifically, brightness control sensor adjusts the output signal strength of the backlight constant current plate, comprising:
Described image decoding driving plate receives the luminance signal that the brightness control sensor generates, and believes in the brightness
Number intensity not in brightness preset threshold range, to the backlight constant current plate input brightness regulated signal；
The backlight constant current plate adjusts the output signal strength of the backlight constant current plate according to the brightness regulated signal.
Specifically, the display device further include: refrigeration module, the PCB drive also integrated on mainboard: temperature control
Inductor；
The temperature control sensor decodes driving plate by described image, is electrically connected with the backlight constant current plate, drives
The backlight constant current plate generates cooling signals；
The backlight constant current plate is electrically connected with the refrigeration module, the cooling signals is transmitted to refrigeration module, to hold
Row cooling operation.
Specifically, the PCB drives mainboard further include: voltage input end interface, voltage output end interface, video and graphic battle array
Column input interface, audio input/output interface and RS232 serial ports.
The display device of vending machine provided by the embodiment of the utility model, by by image decoding driving plate and backlight constant current
Plate is integrated on PCB driving mainboard, and backlight constant current plate and image decoding driving plate are electrically connected with liquid crystal display panel, and phase interworking
It closes, liquid crystal display panel is made to show corresponding image.The anti-interference ability for improving display screen, to improve self-service sale device
The stability of display device non-stop run.Simultaneously as image decoding driving plate and the encapsulation of backlight constant current plate are integrated into PCB
It drives on mainboard, improves production efficiency, reduce production cost.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is a kind of part-structure block diagram of the display device of vending machine provided by the embodiment of the utility model；
Fig. 2 is a kind of structural block diagram of PCB driving mainboard provided by the embodiment of the utility model；
Fig. 3 is the structural block diagram of another kind PCB driving mainboard provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is only used for explaining the utility model, rather than the restriction to the utility model.It further needs exist for illustrating
, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than full content.
Fig. 1 is a kind of part-structure block diagram of the display device of vending machine provided by the embodiment of the utility model；This implementation
The liquid crystal touch display screen anti-interference ability that example is applicable to Vending Machine is low and the case where be unable to long-term stable work.Such as
Shown in Fig. 1, the display device of the vending machine may include: liquid crystal display panel 10 and PCB driving mainboard 20.
Wherein, PCB drives and is integrated with image decoding driving plate 210 on mainboard 20, and electric with image decoding driving plate 210
The backlight constant current plate 220 of connection；Liquid crystal display panel 10 is electrically connected with image decoding driving plate 210 and backlight constant current plate 220；
Image decoding driving plate 210 is corresponding to external input signal according to the external input signal driving display of liquid crystal display panel 10
Image；Backlight constant current plate 220 provides backlight for the image that liquid crystal display panel 10 is shown.
Specifically, PCB drive mainboard 20 be by multiple chips such as image decoding driving plate 210 and backlight constant current plate 210 or
Module encapsulation, which is integrated on pcb board, to be formed by.Wherein, image decoding driving plate 210 is used to show image for liquid crystal display panel 10
Driving signal is provided, can be common display driving mainboard, be also possible to the processor as composed by multiple functional chips,
CPU or single-chip microcontroller etc.；Backlight constant current plate 220 may include having the characteristics such as backlight, brightness control and temperature control in the back of one
Tabula rasa, can be used for providing backlight drive signal for liquid crystal display panel 10, and backlight constant current plate 220 also with image decoding driving plate
210 electrical connections, by the power of image decoding driving plate control backlight drive signal, i.e., backlight is bright dark.
Wherein, external input signal is external image signal, can be the signal that user is triggered by key, can also be with
It is the picture signal etc. transmitted by the industrial personal computer of vending machine.
Illustratively, the interface that PCB drives mainboard 20 externally to show can include but is not limited to: the voltage input end of 24V
Interface, the voltage output end interface of 12V, Video Graphics Array input interface (Video Graphics Array, VGA), audio
Input/output interface and RS232 serial ports and 2 tunnel high-definition multimedia interface (High Definition Multimedia
Interface, HDMI) and digital signal transmission interface (the Low Voltage that is electrically connected with liquid crystal display panel 10
Differential Signaling, LVDS) and backlight drive output interface etc..
Wherein, high-definition multimedia interface is a kind of digitized video/audio interface technology, can transmit audio simultaneously
And video signal, the maximum data transmission speed are 2.25GB/s, and the high-definition multimedia interface on 2 tunnels provides in the present embodiment
Redundancy feature.Optionally, external input signal can be industrial personal computer by with the matched signal of high-definition multimedia interface
The signal of transmission line.
Specific operating process may is that PCB driving mainboard passes through the voltage signal outside voltage input end interface,
Module to integrate on driving mainboard provides operating voltage.When image decoding driving plate 210 receives external input signal such as
After HDMI signal, by such as decoding or encoding output LVDS signal to external input signal parsing, and backlight perseverance is controlled simultaneously
Flowing plate 220 believes that the output of backlight constant current plate 220 for backlight drive needed for showing image corresponding with external output signal
Number；Liquid crystal display panel 10 is shown corresponding with external input signal under the collective effect of backlight drive signal and LVDS signal
Image frame.
It should be noted that wire rod is to be easiest to disturbed root, and the present embodiment is by by image decoding driving plate
210 and backlight constant current plate 210 etc. are integrated on PCB driving mainboard, avoid image decoding driving plate 210 and backlight constant current plate
210 are attached by electronic cable between each other, caused by the low problem of anti-interference ability.In addition, for manufacturer
For, since each component to be integrated on pcb board, it is able to ascend the assembling production efficiency of entire product.
Technical solution provided in this embodiment, by the way that image decoding driving plate and backlight constant current plate are integrated into PCB driving
On mainboard, and backlight constant current plate and image decoding driving plate are electrically connected with liquid crystal display panel, and are cooperated, and keep liquid crystal display panel aobvious
Show corresponding image.The anti-interference ability for improving display screen, so that the display device for improving self-service sale device is uninterrupted
The stability of work.Simultaneously as image decoding driving plate and the encapsulation of backlight constant current plate are integrated on PCB driving mainboard, mention
Production efficiency has been risen, production cost is reduced.
On the basis of the above embodiments, in order to reduce connected by electronic cable caused by interference, and to PCB drive
The module integrated on dynamic mainboard provides the operating voltage respectively needed, as shown in Figure 2, it can also be integrated on PCB driving mainboard
There is Switching Power Supply 230.And Switching Power Supply 230 is electrically connected with image decoding driving 210 and backlight constant current plate 220, is image solution
Code driving plate 210 and backlight constant current plate 220 provide electricity.
Specifically, it can integrate voltage conversion circuit in Switching Power Supply 230,24V can such as be turned to 12V, 24V turns 5V etc..
As shown in Figure 2, illustratively, it can also be integrated with key control panel 240 on PCB driving mainboard, by key control
Plate 240 is electrically connected with image decoding driving plate 210, response external input signal.
Switching Power Supply 230 is also electrically connected with key control panel 240, provides operating voltage for key control panel 240.
Specifically, key control panel 240 can be virtual touch screen key, be also possible to physical button or knob etc..For example,
The vending machine is beverage merchandiser, when user clicks the corresponding key of a certain beverage on vending machine at random, key control panel 240
The corresponding external input signal of key is responded, and is exported to image decoding driving plate 210；Image decoding driving plate 210 receives
After the signal, by parsing to it, the corresponding image of external input signal is determined, and export digital video corresponding with the image
Signal is to liquid crystal display panel 10, the true picture for the corresponding beverage of key for making liquid crystal display panel 10 show that user is clicked, to be promoted
The experience of user.
Fig. 3 is the structural block diagram that another kind PCB provided by the embodiment of the utility model drives mainboard, in the various embodiments described above
On the basis of, it is also integrated on PCB driving mainboard 10: brightness control sensor 250.
Wherein, brightness control sensor 250 is electrically connected by image decoding driving plate 210 with backlight constant current plate 220, is adjusted
Save the output signal strength of backlight constant current plate 220.
Specifically, the output signal strength that brightness control sensor 250 adjusts backlight constant current plate 220 may is that image solution
Code driving plate 210 receives the luminance signal that brightness control sensor 250 generates, and default not in brightness in the intensity of luminance signal
When threshold range, brightness regulated signal is inputted to backlight constant current plate 220；Backlight constant current plate 220 is adjusted according to brightness regulated signal
The output signal strength of backlight constant current plate 220.
Wherein, brightness control sensor 250 can be the sensing for real-time 10 light intensity of probing liquid crystal display panel
Device, luminance signal can be comprising light intensity distribution and present intensity/intensity value signal；Illustratively, image decoding
Comparator can be integrated in driving plate 210；Brightness preset threshold range is the default value range of comparator, which can basis
Actual conditions carry out dynamic adjustment.
Specific operating process may is that when image decoding driving plate 210 receives the brightness of the input of brightness controller 250
After signal, the corresponding intensity value of the signal is obtained by being parsed to the luminance signal, and be inputted to comparator, if than
Output result compared with device is positive, then illustrates that the light of current liquid crystal panel 10 is too bright, and image decoding driving plate 210 will be to backlight perseverance
Flowing plate 220 inputs a negative voltage signal, so that backlight constant current plate adjusts the bright dark of the backlight of its output.If comparator
Output result is negative, then illustrates that the light of current liquid crystal panel 10 is too dark, image decoding driving plate 210 will be to backlight constant current plate
220 one positive voltage signal of input, so that backlight constant current plate adjusts the bright dark of the backlight of its output.If the output of comparator
As a result it is 0, then illustrates that the light of current liquid crystal panel 10 does not need to adjust, image decoding driving plate 210 will not be to backlight at this time
Constant current plate input signal.
Illustratively, in order to make the light of liquid crystal display panel 10 and ambient light match, i.e., the bright of liquid crystal display panel 10 secretly may be used
According to the bright dark dynamic change of environment light, brightness control sensor 250 can also be one strong for real-time probing ambient light
Weak sensor；It is corresponding, it can be according to the adjustment backlight of the intensity adaptability for the luminance signal that brightness control sensor 250 exports
The backlight that constant current plate 220 exports it is bright dark.
Technical solution provided in this embodiment is driven on mainboard by the way that brightness control sensor is integrated in PCB, can be real-time
Dynamic adjusting liquid crystal display panel light intensity, improve the intelligence degree of product, and further improve the body of user
It tests.
Illustratively, the display device of vending machine can also include refrigeration module, which can be relative to PCB
The independent module of mainboard is driven, a module being integrated on PCB driving mainboard is also possible to.Optionally, refrigeration module can be with
It is electric fan, is also possible to semiconductor chilling plate etc..
With continued reference to Fig. 3, temperature control sensor 260 can also be integrated on PCB driving mainboard.
Wherein, temperature control sensor 260 is electrically connected by image decoding driving plate 210 with backlight constant current plate 220, is driven
Dynamic backlight constant current plate 220 generates cooling signals；Backlight constant current plate 220 is electrically connected with refrigeration module, and cooling signals are transmitted to system
Cold module, to execute cooling operation.
Specifically, cooling signals are the signals for being used to indicate cooling, may include the degree etc. of cooling.Temperature control induction
Device 260 can be one for real-time probing liquid crystal display panel 10 or the sensor of PCB driving mainboard temperature height.It is corresponding, figure
As being also integrated with comparator corresponding with temperature value in decoding driving plate 210.
Specific operating process may is that be inputted when image decoding driving plate 210 receives temperature control sensor 260
Temperature signal after, obtain the corresponding temperature value of the signal by being parsed to the temperature signal, and be inputted to and compare
Device illustrates that the temperature of current liquid crystal panel 10 or PCB driving mainboard 20 is excessively high, image if the output result of comparator is positive
Decoding driving plate 210 will drive backlight constant current plate 220 to generate cooling signals, and connect backlight constant current plate 220 and refrigeration module
Conducting is connect, so that cooling signals are transmitted to refrigeration module by backlight constant current plate 220, executes cooling operation.So as to avoid temperature
Machine ages caused by excessively high, and then improve the service life of product.If the corresponding temperature value of temperature signal is set in comparator
Within the temperature range of setting, then backlight constant current plate 220 will not be connected with refrigeration module.
It should be noted that the temperature control sensor 260 in the present embodiment can also be moved depending on changes in ambient temperature
State exports corresponding temperature signal, so that backlight constant current plate 220 exports corresponding cooling signals, to adjust liquid crystal display panel 10
Or the temperature of PCB driving mainboard 20.
Technical solution provided in this embodiment is driven on mainboard by the way that temperature control sensor is integrated in PCB, can be real-time
Dynamic adjusting liquid crystal display panel or PCB driving mainboard temperature, improve the intelligence degree of product, and further improve
The service life of product.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (7)
1. a kind of display device of vending machine characterized by comprising liquid crystal display panel and PCB drive mainboard；Wherein,
Image decoding driving plate, and the back being electrically connected with described image decoding driving plate are integrated on the PCB driving mainboard
Light constant current plate；
The liquid crystal display panel decodes driving plate with described image and the backlight constant current plate is electrically connected；
Described image decoding driving plate shows corresponding to external input signal according to the external input signal driving liquid crystal display panel
Image；
The image that the backlight constant current plate shows for the liquid crystal display panel provides backlight.
2. the display device of vending machine according to claim 1, which is characterized in that also integrated on the PCB driving mainboard
Have: Switching Power Supply；
The Switching Power Supply decodes driving with described image and the backlight constant current plate is electrically connected, for described image decoding driving
Plate and the backlight constant current plate provide electricity.
3. the display device of vending machine according to claim 1, which is characterized in that also integrated on the PCB driving mainboard
Have: key control panel；
The key control panel is electrically connected with described image decoding driving plate, response external input signal.
4. the display device of vending machine according to claim 1, which is characterized in that also integrated on the PCB driving mainboard
Have: brightness control sensor；
The brightness control sensor decodes driving plate by described image, is electrically connected with the backlight constant current plate, described in adjusting
The output signal strength of backlight constant current plate.
5. the display device of vending machine according to claim 4, which is characterized in that brightness control sensor adjusts the back
The output signal strength of light constant current plate, comprising:
Described image decoding driving plate receives the luminance signal that the brightness control sensor generates, and in the luminance signal
Intensity inputs brightness regulated signal not in brightness preset threshold range, to the backlight constant current plate；
The backlight constant current plate adjusts the output signal strength of the backlight constant current plate according to the brightness regulated signal.
6. the display device of vending machine according to claim 1, which is characterized in that further include: refrigeration module, the PCB
It drives also integrated on mainboard: temperature control sensor；
The temperature control sensor decodes driving plate by described image, is electrically connected with the backlight constant current plate, described in driving
Backlight constant current plate generates cooling signals；
The backlight constant current plate is electrically connected with the refrigeration module, the cooling signals is transmitted to refrigeration module, to execute drop
Temperature operation.
7. the display device of vending machine according to claim 1, which is characterized in that the PCB drives mainboard further include: electricity
Press input end interface, voltage output end interface, Video Graphics Array input interface, audio input/output interface and RS232 string
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896111.9U CN208351186U (en) | 2018-06-11 | 2018-06-11 | A kind of display device of vending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896111.9U CN208351186U (en) | 2018-06-11 | 2018-06-11 | A kind of display device of vending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208351186U true CN208351186U (en) | 2019-01-08 |
Family
ID=64883266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820896111.9U Expired - Fee Related CN208351186U (en) | 2018-06-11 | 2018-06-11 | A kind of display device of vending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208351186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397032A (en) * | 2019-08-19 | 2021-02-23 | Tcl集团股份有限公司 | Dynamic backlight driving module, method and display driving module |
-
2018
- 2018-06-11 CN CN201820896111.9U patent/CN208351186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397032A (en) * | 2019-08-19 | 2021-02-23 | Tcl集团股份有限公司 | Dynamic backlight driving module, method and display driving module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9953613B2 (en) | High speed display interface | |
| TWI424418B (en) | Color sequential display and power-saving method thereof | |
| CN111627406A (en) | Display device, electronic apparatus including the same, and method of operating the electronic apparatus | |
| US9760156B2 (en) | Display apparatus, display system having plural display apparatuses, and method for controlling the display system | |
| US9778894B2 (en) | System and method for outputting extended display identification data to another electronic device to achieve power savings | |
| US9240159B2 (en) | Timing controller and display apparatus having the same | |
| CN208351186U (en) | A kind of display device of vending machine | |
| US11488519B2 (en) | Display device and method for controlling display device | |
| CN215182856U (en) | TFT and LED integrated digital screen | |
| CN103594058B (en) | A kind of LED display driving circuit | |
| CN104751824B (en) | Show equipment, multi-display apparatus and its driving method including the display equipment | |
| US20140285540A1 (en) | Method and LCD Control Circuit for Driving LCD | |
| US20210398497A1 (en) | Backlight control method, drive circuit for display panel, and display device | |
| US20080068323A1 (en) | Integrated display panel | |
| CN103680467B (en) | Image processing method, device and display unit | |
| US10424238B2 (en) | Display device | |
| WO2024093314A1 (en) | Display apparatus and electronic device | |
| US9348355B2 (en) | Display link clocking method and apparatus | |
| TW202301007A (en) | Display equipment and operation method thereof and backlight control device | |
| CN103489416B (en) | Apparatus and method for displaying image, apparatus and method for driving light emitting device | |
| CN113077750A (en) | Method for maintaining brightness of LED, driving circuit and display device | |
| US9760333B2 (en) | Pixel clocking method and apparatus | |
| CN102903320B (en) | 4K2K resolution amplification method and 4K2K resolution amplification system applying same | |
| CN105609057A (en) | Method for preventing high temperature liquefaction of LCD screen | |
| CN201170944Y (en) | LED display control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |