CN105527294B - A kind of backlight detection machine - Google Patents
A kind of backlight detection machine Download PDFInfo
- Publication number
- CN105527294B CN105527294B CN201511015251.8A CN201511015251A CN105527294B CN 105527294 B CN105527294 B CN 105527294B CN 201511015251 A CN201511015251 A CN 201511015251A CN 105527294 B CN105527294 B CN 105527294B
- Authority
- CN
- China
- Prior art keywords
- backlight
- detection
- jig
- turntable
- bracket
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention relates to detection device technology fields, a kind of backlight detection machine is referred in particular to, including turntable, several jigs for being set to turntable, the backlight for clamping jig be powered the lamp device lighted, the photography detection device for being set to turntable side and sorting blanking device.Structure of the invention is compact, it detects backlight automatically, and detection efficiency is high, and carries out sorting blanking to the backlight after detection, realize automated production, cost of labor is reduced, is detected using photography detection device, the precision of detection is high, examination criteria is unified, the consistency of product quality is good, to guarantee the quality of factory product, has very strong practicability.
Description
Technical field
The present invention relates to detection device technology fields, refer in particular to a kind of backlight detection machine.
Background technique
Backlight is widely used in touch screen, backlight, LCD/LCM, mobile phone, tablet computer, GPS, solar battery
Etc. industries, if generally comprising lamp bar, light guide plate, adhesive tape and dry film.In the finishing operation for completing backlight manufacture, need
To detecting for backlight, the defects of whether backlight screen has dim spot, shadow, bright spot is detected, whether to judge product
Qualification guarantees the quality of factory product.
Artificial detection is used to backlight at present, labor intensity of workers is big, and detection efficiency is low, by people's visual capacity
Limitation, the precision of detection is low, and different testers judges that whether qualified product level be different, leads to the examination criteria of product
It is difficult to unification, it cannot be guaranteed that the quality of product, defect are fairly obvious.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of compact-sized backlight detection machines, carry out to backlight
Automatic detection, detection efficiency is high, is detected using photography detection device, and the precision of detection is high, and examination criteria is unified, product matter
The consistency of amount is good.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of backlight detection machine, including turn
Disk, several jigs for being set to turntable, backlight for clamping jig be powered the lamp device lighted, be set to turntable side
The photography detection device and sorting blanking device in face.
Wherein, the photography detection device include take pictures bracket, be set to the first camera and the second phase of the bracket of taking pictures
Machine, the first camera and second camera are located at the top of the turntable.
Wherein, the photography detection device includes the first secondary light source and the second secondary light source.
Wherein, the photography detection device includes blower mechanism, which includes blowing bracket, is set to the blowing
Public attention mounting plate of bracket and several blowing heads for being set to public attention mounting plate, several blowing heads are located at the jig
Top.
Wherein, the lamp device include light mounting base, be set to the rotary cylinder for lighting mounting base and with the rotation
The swivel mount that rotaring cylinder is drivingly connected, swivel mount include the first installing arm and the second installing arm, and the second installing arm is provided with power supply
Plug, first installing arm and the second installing arm are provided with buffer.
Wherein, the sorting blanking device includes blanking mechanical hand, is respectively arranged at the first of the blanking mechanical hand two sides
Conveyer belt mechanism and the second conveyer belt mechanism.
Wherein, the jig includes the first jig component for clamping backlight main body and for clamping backlight diaphragm
The second jig component, the lamp device is set to the inside of the first jig component.
It wherein, further include the labelling apparatus being set between photography detection device and sorting blanking device, the labelling apparatus
Including label bracket, the non-defective unit chapter for being set to the label bracket, defective products chapter and it is respectively used to driving non-defective unit chapter and defective products
The non-defective unit cylinder and defective products cylinder of chapter elevating movement.
It wherein, further include for the backlight diaphragm patch in the second jig component to be returned to backlight in the first jig component
Film manipulator of replying to the topic in main body.
Wherein, the jig and lamp device are correspondingly arranged on four groups, and four groups of jigs and lamp device correspond to turntable
Feeding station, detection station of taking pictures, label station and sorting discharge station.
The beneficial effects of the present invention are:
In practical applications, backlight is placed in jig, and lamp device lights backlight energization, and turntable turns backlight
Go out to photography detection device, which takes pictures to the screen of backlight, and detect its screen whether have dim spot,
The defects of shadow, bright spot, to judge whether backlight is qualified, after the completion of detection, backlight is gone to sorting blanking and filled by turntable
Place is set, which puts together qualified products, substandard product is put according to the testing result of photography detection device
To together, that is, complete the detection of backlight.Structure of the invention is compact, is detected automatically to backlight, and detection efficiency is high, and
Sorting blanking is carried out to the backlight after detection, realizes automated production, cost of labor is reduced, is carried out using photography detection device
The precision of detection, detection is high, and examination criteria is unified, and the consistency of product quality is good, to guarantee the quality of factory product, has
Very strong practicability.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the present invention.
Fig. 3 is the enlarged diagram in Fig. 1 of the present invention at B.
Specific embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further below with reference to embodiment and attached drawing
Bright, the content that embodiment refers to not is limitation of the invention.
As shown in Figure 1 to Figure 3, a kind of backlight detection machine, it is characterised in that: if including turntable 1, being set to turntable 1
Dry jig 2, backlight for clamping jig 2 are powered the lamp device 3 lighted, the detection of taking pictures for being set to 1 side of turntable
Device 4 and sorting blanking device 5.
In practical applications, backlight is placed in jig 2, and lamp device 3 lights backlight energization, and turntable 1 is by backlight
Source goes to photography detection device 4 and goes out, which takes pictures to the screen of backlight, and whether detects its screen
There is the defects of dim spot, shadow, bright spot, to judge whether backlight is qualified, after the completion of detection, turntable 1 goes to backlight point
It selects at blanking device 5, which puts together qualified products according to the testing result of photography detection device 4,
Substandard product is put together, that is, completes the detection of backlight.
Structure of the invention is compact, is detected automatically to backlight, and detection efficiency is high, and to the backlight after detection into
Row sorting blanking, is realized automated production, reduces cost of labor, detected using photography detection device 4, the precision of detection
Height, examination criteria is unified, and the consistency of product quality is good, to guarantee the quality of factory product, has very strong practicability.
In the present embodiment, the photography detection device 4 include take pictures bracket 41, be set to the first phase of the bracket 41 of taking pictures
Machine 42 and second camera 43, the first camera 42 and second camera 43 are located at the top of the turntable 1.Using first camera 42
Detection of taking pictures is carried out with second camera 43, structure is simple, and detection is reliable.
In the present embodiment, the photography detection device 4 includes the first secondary light source 44 and the second secondary light source 45, increases light
According to adapting it to various environment.
In the present embodiment, the photography detection device 4 includes blower mechanism 46, which includes blowing bracket
47, it is set to public attention mounting plate 48 of the blowing bracket 47 and is set to several blowing heads 49 of public attention mounting plate 48, it is described
Several blowing heads 49 are located at the top of the jig 2.Specifically, the setting angle of several blowing heads 49 is adjustable, this is several
Blowing 49 annular of head is set to public attention mounting plate 48.When first camera 42 and second camera 43 are taken pictures, while using several blowings
The surface of first 49 pairs of backlights is blowed, it is easier to detect the defects of lighting the dim spot of screen, shadow, bright spot, improve inspection
The reliability of survey.
In the present embodiment, the lamp device 3 includes lighting mounting base 31, being set to the rotary pneumatic for lighting mounting base 31
Cylinder 32 and the swivel mount 33 being drivingly connected with the rotary cylinder 32, swivel mount 33 include the first installing arm 331 and the second installing arm
332, the second installing arm is provided with attaching plug, and first installing arm 331 and the second installing arm 332 are provided with buffer 333.
Backlight is placed in jig 2, rotary cylinder 32 drives swivel mount 33 to rotate, and make attaching plug that backlight to be powered, thus
Backlight is lighted, buffer 333 is provided with, in the effect of the starting buffering of swivel mount 33.
In the present embodiment, the sorting blanking device 5 includes blanking mechanical hand 51, is respectively arranged at the blanking mechanical hand 51
The first conveyer belt mechanism 52 of two sides and the second conveyer belt mechanism 53.Blanking mechanical hand 51 is respectively by qualification material and unqualified placement
In first conveyer belt mechanism 52 and the second conveyer belt mechanism 53, sorting blanking is realized, this is compact-sized, and blanking is convenient.
In the present embodiment, the jig 2 includes the first jig component 21 for clamping backlight main body and for clamping
Second jig component 22 of backlight diaphragm, the lamp device 3 are set to the inside of the first jig component 21.Specifically,
Backlight take pictures before detection, first tears the diaphragm on the surface of backlight, by people by backlight diaphragm and backlight master
Body be arranged in the first jig component 21 and the second jig component 22, then again by turntable 1 be sent at photography detection device 4 into
Capable detection of taking pictures, to improve the quality of detection.
It further include being set to photography detection device 4 and sorting the labelling apparatus 6 between blanking device 5 in the present embodiment, it should
Labelling apparatus 6 includes label bracket 61, the non-defective unit chapter 62 for being set to the label bracket 61, defective products chapter 63 and is respectively used to
The non-defective unit cylinder 64 and defective products cylinder 65 for driving non-defective unit chapter 62 and 63 elevating movement of defective products chapter, when work, the non-defective unit chapter
62 and defective products chapter 63 be located at the top of the second jig component 22.According to the detection of photography detection device 4 as a result, non-defective unit cylinder 64
Non-defective unit chapter 62 and defective products chapter 63 are respectively driven with defective products cylinder 65, label of affixing one's seal is carried out to backlight, specifically, being to carry on the back
It affixes one's seal on light source diaphragm, so as to subsequent processing and identification.
It further include for the backlight diaphragm patch in the second jig component 22 to be returned to the first jig component in the present embodiment
Film manipulator 7 of replying to the topic in 21 in backlight main body.Specifically, labelling apparatus 6 and film manipulator 7 of replying to the topic are arranged in the same work
Position, after having covered chapter, film manipulator 7 of replying to the topic returns to backlight diaphragm patch in backlight main body.
In the present embodiment, the jig 2 and lamp device 3 are correspondingly arranged on four groups, four groups of jigs 2 and lamp device 3
Corresponding to the feeding station of turntable 1, detection station of taking pictures, label station and sorting discharge station.Specifically, the detection of taking pictures
Device 4, labelling apparatus 6 and sorting blanking device 5 respectively correspond detection station of taking pictures, label station and sorting discharge station,
Structure is simple, compact layout, and detection is reliable.
Above-described embodiment is the preferable implementation of the present invention, and in addition to this, the present invention can be realized with other way,
Do not depart from the technical program design under the premise of it is any obviously replace it is within the scope of the present invention.
Claims (7)
1. a kind of backlight detection machine, it is characterised in that: including turntable (1), several jigs (2) for being set to turntable (1), be used for
By the backlight of jig (2) clamping be powered the lamp device (3) lighted, be set to the photography detection device (4) of turntable (1) side
And sorting blanking device (5)；
The lamp device (3) include light mounting base (31), be set to the rotary cylinder for lighting mounting base (31) (32) and
The swivel mount (33) being drivingly connected with the rotary cylinder (32), swivel mount (33) include the first installing arm (331) and the second installation
Arm (332), the second installing arm (332) are provided with attaching plug, and first installing arm (331) and the second installing arm (332) are all provided with
It is equipped with buffer (333)；
The jig (2) includes the first jig component (21) for clamping backlight main body and for clamping backlight diaphragm
Second jig component (22), the lamp device (3) are set to the inside of the first jig component (21)；
It further include for the backlight diaphragm patch in the second jig component (22) to be returned to backlight in the first jig component (21)
Film manipulator (7) are replied to the topic in main body.
2. a kind of backlight detection machine according to claim 1, it is characterised in that: the photography detection device (4) includes
Take pictures bracket (41), be set to the first camera (42) and second camera (43) of the bracket of taking pictures (41), the first camera
(42) and second camera (43) is located at the top of the turntable (1).
3. a kind of backlight detection machine according to claim 1, it is characterised in that: the photography detection device (4) includes
First secondary light source (44) and the second secondary light source (45).
4. a kind of backlight detection machine according to claim 1, it is characterised in that: the photography detection device (4) includes
Blower mechanism (46), the blower mechanism (46) include blowing bracket (47), public attention mounting plate for being set to the blowing bracket (47)
(48) and several blowing heads (49) of public attention mounting plate (48) are set to, several blowing heads (49) are located at the jig
(2) top.
5. a kind of backlight detection machine according to claim 1, it is characterised in that: the sorting blanking device (5) includes
Blanking mechanical hand (51), the first conveyer belt mechanism (52) and the second conveyer belt for being respectively arranged at blanking mechanical hand (51) two sides
Mechanism (53).
6. a kind of backlight detection machine according to claim 1, it is characterised in that: further include being set to photography detection device
(4) labelling apparatus (6) between sorting blanking device (5), the labelling apparatus (6) include label bracket (61), are set to this
It marks the non-defective unit chapter (62) of bracket (61), defective products chapter (63) and is respectively used to driving non-defective unit chapter (62) and defective products chapter
(63) the non-defective unit cylinder (64) and defective products cylinder (65) of elevating movement.
7. a kind of backlight detection machine according to claim 1, it is characterised in that: the jig (2) and lamp device (3)
Four groups are correspondingly arranged on, four groups of jigs (2) and lamp device (3) correspond to the feeding station of turntable (1), take pictures and detect work
Position, label station and sorting discharge station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015251.8A CN105527294B (en) | 2015-12-31 | 2015-12-31 | A kind of backlight detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015251.8A CN105527294B (en) | 2015-12-31 | 2015-12-31 | A kind of backlight detection machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105527294A CN105527294A (en) | 2016-04-27 |
| CN105527294B true CN105527294B (en) | 2019-01-01 |
Family
ID=55769651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511015251.8A Active CN105527294B (en) | 2015-12-31 | 2015-12-31 | A kind of backlight detection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105527294B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000934A (en) * | 2016-07-16 | 2016-10-12 | 宾兴 | Cleaning and appearance detecting machine and detecting technology thereof |
| CN106181672A (en) * | 2016-07-26 | 2016-12-07 | 江苏铂英特电子科技有限公司 | A kind of automatically grinding equipment |
| CN108072503A (en) | 2016-11-08 | 2018-05-25 | 京东方科技集团股份有限公司 | Backlight detection device and detection method |
| CN106680296B (en) * | 2017-02-27 | 2024-01-05 | 苏州杰锐思智能科技股份有限公司 | Multi-station backlight module AOI testing device and method |
| CN106770350A (en) * | 2017-03-13 | 2017-05-31 | 深圳天珑无线科技有限公司 | Testing equipment |
| CN107044986A (en) * | 2017-03-22 | 2017-08-15 | 深圳市伟鸿科科技有限公司 | Backlight finished product detection device and detection method |
| CN106890803A (en) * | 2017-04-11 | 2017-06-27 | 常州烯旺新材料科技有限公司 | Graphene heating film detection sorting automation equipment |
| CN107262380A (en) * | 2017-07-18 | 2017-10-20 | 深圳中天云创科技有限公司 | A kind of cell phone back light source vision automatic checkout equipment and detection method |
| CN108249142A (en) * | 2017-12-26 | 2018-07-06 | 深圳市宝盛自动化设备有限公司 | Station dial mechanism |
| CN108466196A (en) * | 2018-03-05 | 2018-08-31 | 赣州中科微电子科技有限公司 | A kind of mobile phone display screen detection clamping device |
| CN108341247A (en) * | 2018-03-30 | 2018-07-31 | 深圳市得可自动化设备有限公司 | A kind of automatic loading/unloading rotating disc type configuration AOI detection screen printers and method |
| CN108982509B (en) * | 2018-05-29 | 2021-01-19 | 东莞盛翔精密金属有限公司 | 360 degrees product burrs detection device of rotation type |
| CN108760250A (en) * | 2018-05-30 | 2018-11-06 | 广东长天精密设备科技有限公司 | A kind of diaphragm pressing detection device and the backlight source detection method with the device |
| CN108848439B (en) * | 2018-07-18 | 2023-10-13 | 慧眼自动化科技（广州）有限公司 | Sound film detection device |
| CN109100663A (en) * | 2018-08-22 | 2018-12-28 | 惠州市福瑞尔光电有限公司 | A kind of backlight automatic detecting machine and automatic testing method |
| CN109916920B (en) * | 2019-03-28 | 2022-06-03 | 广东正业科技股份有限公司 | AOI detection device and detection method thereof |
| CN110369335B (en) * | 2019-08-14 | 2021-04-13 | 福建晟哲自动化科技有限公司 | Full-automatic AOI (automatic optical inspection) backlight detection equipment |
| CN112666184B (en) * | 2021-03-15 | 2021-06-01 | 常州微亿智造科技有限公司 | Lid glass visual detection equipment behind cell-phone |
| CN113245823B (en) * | 2021-06-16 | 2021-11-19 | 苏州天准科技股份有限公司 | Rotating disc device with plugging function and camera assembling equipment |
| CN118464795B (en) * | 2024-05-23 | 2024-09-27 | 湖南壹鑫科技有限公司 | Diffusion film brightness detection device and detection method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203019337U (en) * | 2013-01-16 | 2013-06-26 | 京东方科技集团股份有限公司 | Backlight lighting jig |
| CN203881960U (en) * | 2014-06-10 | 2014-10-15 | 福益精密模塑（上海）有限公司 | Image examining and product classification system |
| CN104280398A (en) * | 2013-07-05 | 2015-01-14 | 上海维锐智能科技有限公司 | Electronic component automatic testing device |
| CN204439974U (en) * | 2015-03-27 | 2015-07-01 | 合肥京东方显示光源有限公司 | A kind of backlight pick-up unit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7248355B2 (en) * | 2004-09-13 | 2007-07-24 | Hewlett-Packard Development Company, L.P. | Using special visibility materials proximate candidate component locations to enhance recognition |
| CN202511958U (en) * | 2011-12-08 | 2012-10-31 | 北京卓立汉光仪器有限公司 | LED back light source detecting system |
| CN104019961B (en) * | 2014-05-29 | 2017-03-08 | 京东方光科技有限公司 | A kind of backlight source detection apparatus |
| CN204515306U (en) * | 2015-04-24 | 2015-07-29 | 合肥鑫晟光电科技有限公司 | Backlight pick-up unit |
| CN104898312A (en) * | 2015-06-25 | 2015-09-09 | 京东方科技集团股份有限公司 | Backlight source detecting device and detecting method |
| CN104932126B (en) * | 2015-06-30 | 2018-01-30 | 合肥京东方显示光源有限公司 | A kind of tool |
| CN205449819U (en) * | 2015-12-31 | 2016-08-10 | 广东长天精密设备科技有限公司 | Back of body light -source detection machine |
-
2015
- 2015-12-31 CN CN201511015251.8A patent/CN105527294B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203019337U (en) * | 2013-01-16 | 2013-06-26 | 京东方科技集团股份有限公司 | Backlight lighting jig |
| CN104280398A (en) * | 2013-07-05 | 2015-01-14 | 上海维锐智能科技有限公司 | Electronic component automatic testing device |
| CN203881960U (en) * | 2014-06-10 | 2014-10-15 | 福益精密模塑（上海）有限公司 | Image examining and product classification system |
| CN204439974U (en) * | 2015-03-27 | 2015-07-01 | 合肥京东方显示光源有限公司 | A kind of backlight pick-up unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105527294A (en) | 2016-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105527294B (en) | A kind of backlight detection machine | |
| CN205449819U (en) | Back of body light -source detection machine | |
| CN108689111A (en) | A kind of power supply adaptor test automatic charging equipment | |
| CN106515214B (en) | A kind of full-automatic screen printer | |
| CN107270816B (en) | Auxiliary material detection equipment for mobile phone and tablet personal computer | |
| CN106680296A (en) | Multi-station backlight module AOI (automatic optical inspector) testing device and method | |
| CN203695443U (en) | Screening and measuring device for precise hardware | |
| CN104483617A (en) | Online flip LED chip detection device | |
| CN104401560A (en) | Automatic labeller | |
| CN207250461U (en) | A kind of photovoltaic module detection device | |
| CN109211788A (en) | A kind of display screen multistation automatic optical detection device | |
| CN112798609A (en) | Screen module appearance detection device and detection method | |
| CN207925105U (en) | A kind of flexible display screen detection device | |
| CN205620325U (en) | Substrate defect detecting device and light source device | |
| CN209027979U (en) | A kind of display screen multistation automatic optical detection device | |
| CN210148735U (en) | High accuracy pad pasting detects machine | |
| CN109297529A (en) | A kind of intelligent detection device | |
| CN207300547U (en) | A kind of full-automatic hot spot hot spot tester table | |
| CN207798699U (en) | A kind of general-purpose machines visual identity detection device | |
| CN205289006U (en) | Chamfer detector | |
| CN206563720U (en) | A kind of multistation backlight module AOI test devices | |
| CN104502828A (en) | Flip LED (light emitting diode) chip on-line detecting method | |
| CN109855840A (en) | A kind of display screen module detection system and method | |
| CN202262230U (en) | Chip mounter | |
| CN209027474U (en) | A kind of entrucking mate gap intelligent detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190610 Address after: 238000 Chaohu Economic Development Zone, Hefei City, Anhui Province, Jinchao Avenue and Wuxu Road Intersection A-01 Patentee after: ANHUI ZHONGXIAN INTELLIGENT ROBOT Co.,Ltd. Address before: 523000 No. 2 Jingsheng Road, Guangming Industrial Zone, Niushan External Economic Industrial Park, Dongcheng District, Dongguan City, Guangdong Province Patentee before: GUANGDONG CHANGTIAN PRECISE EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20211115 Granted publication date: 20190101 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220706 Granted publication date: 20190101 |
|
| PD01 | Discharge of preservation of patent |