CN112462539B - Liquid crystal display panel detection device and display panel detection method - Google Patents

Liquid crystal display panel detection device and display panel detection method Download PDF

Info

Publication number
CN112462539B
CN112462539B CN202011240313.6A CN202011240313A CN112462539B CN 112462539 B CN112462539 B CN 112462539B CN 202011240313 A CN202011240313 A CN 202011240313A CN 112462539 B CN112462539 B CN 112462539B
Authority
CN
China
Prior art keywords
liquid crystal
display panel
crystal display
detection
fixedly connected
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
Application number
CN202011240313.6A
Other languages
Chinese (zh)
Other versions
CN112462539A (en
Inventor
周灿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Geili Photoelectric Co ltd
Original Assignee
Shenzhen Geili Photoelectric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Geili Photoelectric Co ltd filed Critical Shenzhen Geili Photoelectric Co ltd
Priority to CN202011240313.6A priority Critical patent/CN112462539B/en
Publication of CN112462539A publication Critical patent/CN112462539A/en
Application granted granted Critical
Publication of CN112462539B publication Critical patent/CN112462539B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Liquid Crystal (AREA)

Abstract

The invention discloses a liquid crystal display panel detection device and a liquid crystal display panel detection method, relates to the field of liquid crystal display production, and aims to solve the problem that the detection efficiency of liquid crystal displays produced in batches is reduced due to complicated waterproof detection operation of the existing liquid crystal displays. The invention can realize the automatic waterproof detection operation of the liquid crystal display panel, can realize continuous operation, effectively improves the detection efficiency of the liquid crystal display panel, improves the production efficiency of the liquid crystal display panel and is suitable for popularization and use.

Description

Liquid crystal display panel detection device and display panel detection method
Technical Field
The invention relates to the field of liquid crystal display screen production, in particular to a liquid crystal display panel detection device and a display panel detection method for a liquid crystal display screen.
Background
The liquid crystal panel is a material for determining the brightness, contrast, color and visual angle of the liquid crystal display, the price trend of the liquid crystal panel directly influences the price of the liquid crystal display, and the quality and the technology of the liquid crystal panel are related to the overall performance of the liquid crystal display.
After the liquid crystal display panel is produced, the liquid crystal display panel can be put on the market after a series of detection needs to be carried out on the liquid crystal display panel, and when the waterproof performance of the liquid crystal display panel is detected in the prior art, the operation steps are complicated, so that the phenomenon that the display panel to be detected is accumulated and detained is generated after the liquid crystal display panel is produced in batches, and the production efficiency is reduced.
Disclosure of Invention
The liquid crystal display panel detection device and the liquid crystal display panel detection method provided by the invention solve the problem that the detection efficiency of liquid crystal displays produced in batch is reduced due to the fact that the existing liquid crystal display screen waterproof detection operation is complicated.
In order to achieve the purpose, the invention adopts the following technical scheme:
liquid crystal display panel detection device, including detecting the platform, detect the top fixedly connected with detection case, storage box and the cylinder of platform, just storage box is located between cylinder and the detection case, the tailpiece of the piston rod portion of cylinder sets up towards storage box, and fixedly connected with scraping wings, the top fixedly connected with water tank of detection case, just the inside of water tank is provided with out water controlling means, one side inner wall fixedly connected with that storage box was kept away from to the detection case is the drainage board of slope, just the bottom fixedly connected with dead lever of drainage board, the bottom inner wall slidable mounting of detection case has the fly leaf, just be connected with panel resetting means between fly leaf and the dead lever, be connected with the haulage rope between fly leaf and the play water controlling means.
Preferably, the material pushing port has all been seted up to the both sides of storage box, pushes away the hypomere setting that the material port is located the storage box lateral wall, and pushes away material port and matches with the scraping wings.
Preferably, slotted holes are formed in the peripheral side wall of the detection box, and the slotted holes are located in the lower section of the side wall of the detection box.
Preferably, the water outlet control device comprises a limiting rod, a first spring, a fixed plate and a stop block, the inner wall of the water tank is fixedly connected with the limiting rod and the fixed plate, the fixed plate is located below the limiting rod, the bottom end of the limiting rod is fixedly connected with the first spring, the stop block is fixedly connected to the bottom end of the first spring, and the end of the traction rope is connected with the top end of the stop block.
Preferably, a flow guide hole matched with the stop block is formed in the middle of the fixing plate and communicated with the interior of the detection box.
Preferably, panel resetting means includes slider, spout, guide bar and second spring, the spout has been seted up along its length direction on the top of fly leaf, just the inside slidable mounting of spout has the slider, the top of slider and the bottom fixed connection of dead lever, the inner wall fixedly connected with of spout is horizontal guide bar, just the guide bar is the slip with the slider and runs through the setting, be connected with the second spring between the lateral wall of one side inner wall of spout and slider, just the second spring housing is established on the circumference lateral wall of guide bar.
Preferably, one side of the detection box close to the storage box is rotatably provided with two first guide wheels with the same structure along the height direction of the detection box, second guide wheels are arranged on the inner side and the outer side of the water box close to the storage box, the traction rope penetrates through the side of the detection box close to the storage box and bypasses the first guide wheels and the second guide wheels.
The liquid crystal display panel detection method of the liquid crystal display screen comprises the following steps:
detecting whether the liquid crystal display panel leaks water according to the plurality of water sensors;
horizontally penetrating a liquid crystal display panel to be detected above water immersion sensors arranged in a row at a constant speed, and then introducing slow water flow into the liquid crystal display panel to be detected to observe whether an alarm arranged below the liquid crystal display panel works or not;
if this liquid crystal display panel has the phenomenon of leaking, then the water logging sensor detects and leaks to give the controller with signal transmission, the work of controller control alarm for the suggestion staff can know that this liquid crystal display panel has the flaw, needs to return the factory to handle.
Preferably, the output end of the water sensor is electrically connected with the controller, the output end of the controller is electrically connected with the input end of the alarm, the type of the water sensor is RK-SJ-NR01-2, and the type of the controller is DATA-7311.
The invention has the beneficial effects that:
1. the cylinder pushes the material pushing plate and the liquid crystal display panel to be detected to move, so that the movable plate can be pushed to pull the traction rope and the stop dog, the synchronous water outlet can be realized when the display panel to be detected enters the detection box, and the waterproof sealing performance of each region of the liquid crystal display panel can be observed.
2. Promote fly leaf and first spring through the second spring and promote the dog for the device can reply the original position when having carried out liquid crystal display panel detection once, thereby can conveniently carry out the waterproof detection operation of continuity of liquid crystal display panel, improves liquid crystal display panel's detection efficiency, both improved liquid crystal display panel's production efficiency.
In conclusion, the device can realize the automatic waterproof detection operation of the liquid crystal display panel, can realize continuous operation, effectively improves the detection efficiency of the liquid crystal display panel, improves the production efficiency of the liquid crystal display panel and is suitable for popularization and application.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a cross-sectional view of the internal structure of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural diagram of a display panel inspection process according to the present invention;
fig. 5 is a perspective view of the detection box of the present invention.
Reference numbers in the figures: the device comprises a detection table 1, a detection box 2, a material pushing plate 3, a cylinder 4, a storage box 5, a water tank 6, a first guide wheel 7, a second guide wheel 8, a traction rope 9, a limiting rod 10, a first spring 11, a fixed plate 12, a stop block 13, a drainage plate 14, a fixed rod 15, a movable plate 16, a sliding block 17, a sliding groove 18, a second spring 19, a guide rod 20, a supporting leg 21, a slotted hole 22, a flow guiding hole 23 and a material pushing port 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a liquid crystal display panel detection device, including detection platform 1, top fixedly connected with detection case 2 of detection platform 1, storage box 5 and cylinder 4, and storage box 5 is located between cylinder 4 and detection case 2, the tailpiece of the piston rod of cylinder 4 sets up towards storage box 5, and fixedly connected with scraping wings 3, the top fixedly connected with water tank 6 of detection case 2, and the inside of water tank 6 is provided with out water controlling means, one side inner wall fixedly connected with that detection case 2 keeps away from storage box 5 is drainage plate 14 that is the slope, and the bottom fixedly connected with dead lever 15 of drainage plate 14, the bottom inner wall slidable mounting of detection case 2 has fly leaf 16, and be connected with the panel resetting means between fly leaf 16 and dead lever 15, be connected with haulage rope 9 between fly leaf 16 and the play water controlling means.
The material pushing openings 24 are formed in the two sides of the storage box 5, the material pushing openings 24 are located in the lower section of the side wall of the storage box 5, the material pushing openings 24 are matched with the material pushing plate 3, the side walls of the periphery of the detection box 2 are provided with the slotted holes 22, and the slotted holes 22 are located in the lower section of the side wall of the detection box 2.
Go out water controlling means and include gag lever post 10, first spring 11, fixed plate 12 and dog 13, the inner wall fixedly connected with gag lever post 10 and fixed plate 12 of water tank 6, fixed plate 12 is located the below of gag lever post 10, the first spring 11 of the bottom fixedly connected with of gag lever post 10, and the bottom fixedly connected with dog 13 of first spring 11, and the tip of haulage rope 9 is connected with the top of dog 13, the intermediate position of fixed plate 12 is equipped with the water conservancy diversion hole 23 that matches with dog 13, and the inside intercommunication of water conservancy diversion hole 23 and detection case 2.
The plate resetting device comprises a sliding block 17, a sliding groove 18, a guide rod 20 and a second spring 19, the sliding groove 18 is formed in the top end of the movable plate 16 along the length direction of the movable plate, the sliding block 17 is arranged inside the sliding groove 18 in a sliding mode, the top end of the sliding block 17 is fixedly connected with the bottom end of the fixing rod 15, the inner wall of the sliding groove 18 is fixedly connected with the transverse guide rod 20, the guide rod 20 and the sliding block 17 are arranged in a sliding mode in a penetrating mode, the second spring 19 is connected between the inner wall of one side of the sliding groove 18 and the side wall of the sliding block 17, and the second spring 19 is sleeved on the circumferential side wall of the guide rod 20.
One side that detection case 2 is close to storage box 5 is rotated along its direction of height and is installed two first leading wheels 7 that the structure is the same, and second leading wheel 8 is all installed to the side inside and outside that water tank 6 is close to storage box 5, and haulage rope 9 runs through the side that detection case 2 is close to storage box 5, and walks around first leading wheel 7 and second leading wheel 8.
The material pushing plate 3 is pushed by the cylinder 4, so that the material pushing plate 3 passes through the material pushing opening 24 at the bottom end of the storage box 5, thereby pushing the liquid crystal display panel to be detected at the bottom end in the storage box 5, so that the display panel also passes through the material pushing opening 24 on the storage box 5 and the slot 22 on the detection box 2, and then enters the detection box 2, during the process of entering the detection box 2, the liquid crystal display panel pushes the movable plate 16, so that the movable plate 16 pulls the traction rope 9, the traction rope 9 slides on the first guide wheel 7 and the second guide wheel 8, and the stopper 13 is pulled so that the stopper 13 is separated from the inside of the pilot hole 23 of the fixed plate 12, at which time the stopper 13 presses the first spring 11, and the water inside the water tank 6 flows into the inside of the sensing chamber 2, and flows toward the liquid crystal display panel entering the inside of the sensing chamber 2 through the flow guide plate 14, the waterproof detection is performed on each area of the surface of the liquid crystal display panel, the movable plate 16 moves along with the waterproof detection in the detection process, and the slider 17 of the end of the fixed rod 15 is made to slide inside the chute 18 above the movable plate 16, meanwhile, the second spring 19 is pressed, after the detection of the liquid crystal display panel is finished, the liquid crystal display panel is pulled out from the slotted holes 22 at the other two sides of the detection box 2, if the liquid crystal display panel is qualified, the liquid crystal display panel is placed in a qualified area, if the liquid crystal display panel is not qualified, the liquid crystal display panel is placed in an unqualified area, then, the cylinder 4 is operated in reverse, so that the ejector plate 3 moves in reverse, and at the same time, the second spring 19 pushes the movable plate 16 in reverse, so that the movable plate 16 tends to return to the initial position, at the same time, the first spring 11 will push the stopper 13 reversely, so that the stopper 13 returns to the inside of the guiding hole 22 on the fixing plate 12, the operation is stopped by blocking the liquid crystal display panel, and then the operation is repeated through the air cylinder 4, so that the waterproof detection operation of the liquid crystal display panels in batches can be completed.
The liquid crystal display panel detection method of the liquid crystal display screen comprises the following steps:
detecting whether the liquid crystal display panel leaks water according to the plurality of water sensors;
horizontally penetrating a liquid crystal display panel to be detected above water immersion sensors arranged in a row at a constant speed, and then introducing slow water flow into the liquid crystal display panel to be detected to observe whether an alarm arranged below the liquid crystal display panel works or not;
if this liquid crystal display panel has the phenomenon of leaking, then the water logging sensor detects and leaks to give the controller with signal transmission, the work of controller control alarm for the suggestion staff can know that this liquid crystal display panel has the flaw, needs to return the factory to handle.
The output end of the water sensor is electrically connected with the controller, the output end of the controller is electrically connected with the input end of the alarm, the type of the water sensor is RK-SJ-NR01-2, and the type of the controller is DATA-7311.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. The liquid crystal display panel detection device comprises a detection table (1) and is characterized in that the top end of the detection table (1) is fixedly connected with a detection box (2), a storage box (5) and an air cylinder (4), the storage box (5) is located between the air cylinder (4) and the detection box (2), the end part of a piston rod of the air cylinder (4) faces towards the storage box (5) and is fixedly connected with a material pushing plate (3), the top end of the detection box (2) is fixedly connected with a water tank (6), a water outlet control device is arranged inside the water tank (6), an inclined drainage plate (14) is fixedly connected to the inner wall of one side, away from the storage box (5), of the detection box (2), the bottom end of the drainage plate (14) is fixedly connected with a fixed rod (15), a movable plate (16) is slidably mounted on the inner wall of the bottom end of the detection box (2), a plate reset device is connected between the movable plate (16) and the fixed rod (15), and a traction rope (9) is connected between the movable plate (16) and the water outlet control device;
the two sides of the storage box (5) are both provided with material pushing ports (24), the material pushing ports (24) are arranged at the lower section of the side wall of the storage box (5), and the material pushing ports (24) are matched with the material pushing plate (3);
slotted holes (22) are formed in the peripheral side wall of the detection box (2), and the slotted holes (22) are located in the lower section of the side wall of the detection box (2);
the water outlet control device comprises a limiting rod (10), a first spring (11), a fixing plate (12) and a stop block (13), the limiting rod (10) and the fixing plate (12) are fixedly connected to the inner wall of the water tank (6), the fixing plate (12) is located below the limiting rod (10), the first spring (11) is fixedly connected to the bottom end of the limiting rod (10), the stop block (13) is fixedly connected to the bottom end of the first spring (11), and the end portion of the traction rope (9) is connected with the top end of the stop block (13);
a flow guide hole (23) matched with the stop block (13) is formed in the middle of the fixing plate (12), and the flow guide hole (23) is communicated with the interior of the detection box (2);
the plate resetting device comprises a sliding block (17), a sliding groove (18), a guide rod (20) and a second spring (19), the sliding groove (18) is formed in the top end of the movable plate (16) along the length direction of the movable plate, the sliding block (17) is slidably mounted inside the sliding groove (18), the top end of the sliding block (17) is fixedly connected with the bottom end of the fixing rod (15), the transverse guide rod (20) is fixedly connected to the inner wall of the sliding groove (18), the guide rod (20) and the sliding block (17) are arranged in a sliding penetrating mode, the second spring (19) is connected between the inner wall of one side of the sliding groove (18) and the side wall of the sliding block (17), and the second spring (19) is sleeved on the circumferential side wall of the guide rod (20);
one side of the detection box (2) close to the storage box (5) is rotated along the height direction of the detection box and is provided with two first guide wheels (7) with the same structure, the inner side and the outer side of the water tank (6) close to the storage box (5) are provided with second guide wheels (8), and the traction rope (9) runs through the side of the detection box (2) close to the storage box (5) and bypasses the first guide wheels (7) and the second guide wheels (8).
2. The detecting method of the detecting device of the liquid crystal display panel of claim 1, comprising the steps of:
detecting whether the liquid crystal display panel leaks water according to the plurality of water sensors;
horizontally penetrating a liquid crystal display panel to be detected above water immersion sensors arranged in a row at a constant speed, and then introducing slow water flow into the liquid crystal display panel to be detected to observe whether an alarm arranged below the liquid crystal display panel works or not;
if this liquid crystal display panel has the phenomenon of leaking, then the water logging sensor detects and leaks to give the controller with signal transmission, the work of controller control alarm for the suggestion staff can know that this liquid crystal display panel has the flaw, needs to return the factory to handle.
3. The method as claimed in claim 2, wherein the output terminal of the water sensor is electrically connected to the controller, the output terminal of the controller is electrically connected to the input terminal of the alarm, the water sensor is of type RK-SJ-NR01-2, and the controller is of type DATA-7311.
CN202011240313.6A 2020-11-09 2020-11-09 Liquid crystal display panel detection device and display panel detection method Active CN112462539B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011240313.6A CN112462539B (en) 2020-11-09 2020-11-09 Liquid crystal display panel detection device and display panel detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011240313.6A CN112462539B (en) 2020-11-09 2020-11-09 Liquid crystal display panel detection device and display panel detection method

Publications (2)

Publication Number Publication Date
CN112462539A CN112462539A (en) 2021-03-09
CN112462539B true CN112462539B (en) 2023-03-14

Family

ID=74826022

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011240313.6A Active CN112462539B (en) 2020-11-09 2020-11-09 Liquid crystal display panel detection device and display panel detection method

Country Status (1)

Country Link
CN (1) CN112462539B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075583B (en) * 2021-04-03 2022-11-11 奥斯汀科技有限公司 LED screen detection system and detection method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108665798A (en) * 2018-05-10 2018-10-16 京东方科技集团股份有限公司 Display module, the control method of water repellent component, display device
CN208752334U (en) * 2018-08-23 2019-04-16 深圳市华远显示器件有限公司 A kind of liquid crystal display detection device
CN111272355A (en) * 2020-03-12 2020-06-12 宁波双德电子有限公司 Flat-plate sound box waterproof performance detection device
CN211234834U (en) * 2019-11-21 2020-08-11 广东华南半导体光电研究院有限公司 Waterproof detection device for LED lamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108665798A (en) * 2018-05-10 2018-10-16 京东方科技集团股份有限公司 Display module, the control method of water repellent component, display device
CN208752334U (en) * 2018-08-23 2019-04-16 深圳市华远显示器件有限公司 A kind of liquid crystal display detection device
CN211234834U (en) * 2019-11-21 2020-08-11 广东华南半导体光电研究院有限公司 Waterproof detection device for LED lamp
CN111272355A (en) * 2020-03-12 2020-06-12 宁波双德电子有限公司 Flat-plate sound box waterproof performance detection device

Also Published As

Publication number Publication date
CN112462539A (en) 2021-03-09

Similar Documents

Publication Publication Date Title
WO2018233324A1 (en) Water quality analyzer and water quality analysis method
CN112462539B (en) Liquid crystal display panel detection device and display panel detection method
CN115290383B (en) Environmental protection engineering is with detecting soil sampling device
CN204346897U (en) A kind of automatic cleaning and sampling device being applicable to photometry
CN110455589A (en) Liquid depth sampler
CN115824910A (en) Building waterproof detection device
CN116481859A (en) Water quality sampling detection device and detection method
CN204556509U (en) A kind of novel titrator
CN213275312U (en) Water quality on-line monitoring integrated device
CN205844345U (en) Wash the detection device of trigger
CN216160602U (en) Electrical intelligent analysis and monitoring equipment for environment-friendly pollution control and pollution discharge equipment
CN106768197B (en) A kind of novel water level monitoring device
CN201133904Y (en) Negative-pressure liquid phase chromatograph
CN107368110A (en) A kind of automatic rain water collection device
CN207730783U (en) A kind of poly parameter food safety detector
CN208076408U (en) A kind of yellow wine fermentation degree detection device
CN210221827U (en) Water quality detector
CN206696265U (en) Food Detecting Pesticide equipment
CN207832770U (en) Liquid nitrogen content multi-parameter monitoring equipment based on LNG groove tank cars
CN208860559U (en) A kind of Multi-channel high-efficient hemodialysis device for detecting air tightness of pipeline
CN220283773U (en) Environment measuring waste liquid collection device
CN212622570U (en) Guide chemical composition analyzer
CN217606277U (en) Automatic control filtering device for glass sand core in laboratory
CN218726442U (en) Permeameter for detecting quality of building engineering
CN216282116U (en) Device for solving problem of overflow of groundwater source heat pump recharging well

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant