CN109037488B - Scraper device and detection circuit thereof - Google Patents
Scraper device and detection circuit thereof Download PDFInfo
- Publication number
- CN109037488B CN109037488B CN201810957268.2A CN201810957268A CN109037488B CN 109037488 B CN109037488 B CN 109037488B CN 201810957268 A CN201810957268 A CN 201810957268A CN 109037488 B CN109037488 B CN 109037488B
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- Prior art keywords
- scraper
- linear conductor
- conductor
- detection circuit
- doctor
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The embodiment of the invention provides a scraper device and a detection circuit thereof, relates to the technical field of display devices, and can solve the problem that in the prior art, the packaging reject ratio is high because whether a scraper has a notch or not cannot be judged. The scraper device comprises a scraper and a fixed frame, and one end of the scraper is fixed on the fixed frame; the scraper comprises a scraping end far away from the fixed frame; a linear conductor is arranged at the scraping end in a penetrating way, the linear conductor is arranged along the extending direction of the scraping end, and two ends of the linear conductor are fixed on the end surface of the scraper; the strength of the linear conductor is less than or equal to that of the scraper. The invention is used for the scraper device.
Description
Technical Field
The invention relates to the technical field of display device packaging, in particular to a scraper device and a detection circuit thereof.
Background
When an OLED (Organic Light Emitting Device) display screen is manufactured at present, an encapsulation and lamination process is required. Specifically, need utilize earlier the scraper to glue the coating with the encapsulation on display screen's glass apron when the encapsulation, but because the gluey composition of encapsulation is glass powder mainly, wherein there is large granule glass powder sediment to there are foreign matter such as foreign particle in the encapsulation glue, these large granule glass powder sediment and foreign matter make the scraper cause the breach in the use very easily, thereby influence the rubber coating homogeneity, and then influence the encapsulation effect. However, the gap is too small, so that the naked eye can not judge the gap, and the scraper can only be replaced after poor packaging occurs at present, so that the packaging defective rate of the product is higher, and the production cost is increased.
Disclosure of Invention
The embodiment of the invention provides a scraper device and a detection circuit thereof, which can solve the problem of high packaging reject ratio caused by the fact that whether a scraper has a notch or not cannot be judged in the prior art.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
on one hand, the embodiment of the invention provides a scraper device, which comprises a scraper and a fixed frame, wherein one end of the scraper is fixed on the fixed frame; the scraper comprises a scraping end far away from the fixed frame; a linear conductor is arranged at the scraping end in a penetrating manner, the linear conductor is arranged along the extending direction of the scraping end, and two ends of the linear conductor are fixed on the end surface of the scraper; the strength of the linear conductor is less than or equal to the strength of the scraper.
Optionally, a through hole is formed in the scraping end along an extending direction of the scraping end, and the linear conductor is disposed in the through hole.
Optionally, a distance from the linear conductor to the bottom of the scraping end is less than or equal to 50 um.
Optionally, the through hole is a circular hole.
Optionally, the size of the through hole is adapted to the size of the linear conductor.
Optionally, the linear conductor is a resistance wire.
Optionally, the linear conductor is a wire.
Optionally, both ends of the linear conductor are respectively bonded to the end surfaces of the scrapers.
In another aspect, an embodiment of the present invention provides a detection circuit for a doctor blade apparatus, where the detection circuit includes: the two ends of the detection power supply are respectively connected with the two ends of the linear conductor; an indicator connected in series between the detection power source and the linear conductor for indicating whether the detection circuit is on.
Optionally, the indicator is an indicator light.
The scraper device comprises a scraper and a fixing frame, wherein one end of the scraper is fixed on the fixing frame; the scraper comprises a scraping end far away from the fixed frame; a linear conductor is arranged at the scraping end in a penetrating way, the linear conductor is arranged along the extending direction of the scraping end, and two ends of the linear conductor are fixed on the end surface of the scraper; the strength of the linear conductor is less than or equal to that of the scraper. Compared with the prior art, the scraper device provided by the embodiment of the invention has the advantages that the linear conductor is arranged at the scraping end of the scraper in a penetrating manner, and the strength of the linear conductor is less than or equal to that of the scraper, so that when the scraping end of the scraper is provided with the notch, the linear conductor is necessarily disconnected at the notch, and when the two ends of the linear conductor are externally connected with the detection circuit, whether the linear conductor is disconnected can be judged by judging the on-off state of the detection circuit, and further whether the notch is formed in the scraper can be judged; the scraper device provided by the embodiment of the invention can simply and conveniently detect whether the scraper has a notch before coating the packaging adhesive, so that the scraper can be replaced in time when the scraper has the notch, the defect of product caused by coating the packaging adhesive by using the scraper which does not meet the specification is avoided, the yield of the product is improved, and the production cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a doctor apparatus according to the related art;
FIG. 2 is a schematic side view of a doctor apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a detection circuit of the doctor apparatus according to the embodiment of the present invention.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the doctor apparatus generally includes a doctor blade 01 and a holder 02, the holder 02 being for holding the doctor blade 01; when utilizing the scraper 01 to glue the coating with the encapsulation on display screen's glass apron, because there are foreign matters such as large granule glass powder sediment and some foreign particles in the encapsulation glue for the scraper 01 causes breach 011 very easily in the use, thereby influences the rubber coating homogeneity, and then influences the encapsulation effect.
The embodiment of the invention provides a scraper device, as shown in fig. 2 and 3, comprising a scraper 11 and a fixed frame 12, wherein one end of the scraper 11 is fixed on the fixed frame 12; the scraper 11 comprises a scraping end 111 remote from the holder 12; a linear conductor 13 is arranged at the scraping end 111 in a penetrating way, the linear conductor 13 is arranged along the extending direction of the scraping end 111, and two ends of the linear conductor 13 are fixed on the end surface of the scraper 11; the strength of the linear conductor 13 is less than or equal to that of the blade 11.
The size, manufacturing material, and the like of the holder 12 and the scraper 11 are not limited in the embodiment of the present invention. In practical applications, the scraper 11 is generally made of rubber.
In the embodiment of the present invention, a groove or a hole may be formed at the bottom of the scraper 11 (i.e., the scraping end 111 of the scraper 11), and the size of the groove or the hole is determined to be able to receive the linear conductor 13. In practical application, the linear conductor 13 should be as thin as possible, so that the strength of the linear conductor 13 is consistent with that of the scraper 11, or the strength of the linear conductor 13 is smaller than that of the scraper 11, so that when the scraper 11 is chipped due to impurity particles and the like, the linear conductor 13 is also broken, and whether the detection circuit is broken or not can be judged by observing the state of the indicator 22 in the detection circuit, and further whether the scraper 11 is chipped or not can be judged.
In order to break the linear conductor 13 located at the notch when the scraper 11 is chipped, both ends of the linear conductor 13 need to be fixed to the end surface of the scraper 11 when the linear conductor 13 is provided. The embodiment of the present invention is not limited to the specific manner in which both ends of the linear conductor 13 are fixed to the end surface of the doctor blade 11. As an example, both ends of the linear conductor 13 may be respectively bonded to the end surfaces of the doctor blade 11 with adhesive; both ends of the linear conductor 13 may be connected to the end surface of the doctor blade 11 by a mechanical connector.
Therefore, compared with the prior art, the scraper device provided by the embodiment of the invention has the advantages that the linear conductor is arranged at the scraping end of the scraper in a penetrating manner, and the strength of the linear conductor is less than or equal to that of the scraper, so that when the scraping end of the scraper is provided with the notch, the linear conductor is necessarily disconnected at the notch, and when the two ends of the linear conductor are externally connected with the detection circuit, whether the linear conductor is disconnected or not can be judged by judging the on-off state of the detection circuit, and further whether the notch is formed on the scraper or not can be judged; the scraper device provided by the embodiment of the invention can simply and conveniently detect whether the scraper has a notch before coating the packaging adhesive, so that the scraper can be replaced in time when the scraper has the notch, the defect of product caused by coating the packaging adhesive by using the scraper which does not meet the specification is avoided, the yield of the product is improved, and the production cost is saved.
Further, as shown in fig. 2 and 3, a through hole is provided in the scraping end 111 in the extending direction of the scraping end 111, and the linear conductor 13 is provided in the through hole.
The embodiment of the present invention is not limited to a specific type of the linear conductor 13, as long as the linear conductor 13 can conduct electricity and has a certain strength, but the strength is less than or equal to the strength of the scraper 11, so as to ensure that the linear conductor 13 at the gap can be broken when the scraper is cracked. The linear conductor 13 may be, for example, a resistance wire or a lead wire.
The cross-sectional shape of the through hole for placing the linear conductor 13 is not limited in the embodiment of the present invention, and may be, for example, a square hole, an elliptical hole, a circular hole, or the like. For ease of manufacturing and ease of placement of the linear conductor 13, the cross-sectional shape of the through-hole is generally made to conform to the cross-sectional shape of the linear conductor 13, and the size of the through-hole is made to conform to the size of the linear conductor 13. In practical applications, the through-hole is usually made as a circular hole.
In consideration of the influence of the size of the notch on the scraper 11 on the packaging effect (i.e. the specification requirement of the scraper 11), in practical applications, the distance from the linear conductor 13 to the bottom of the scraping end 111 is generally set to be less than or equal to 100um, and preferably, the distance from the linear conductor 13 to the bottom of the scraping end 111 is less than or equal to 50 um.
Another embodiment of the present invention provides a detection circuit for a doctor apparatus as described in any one of the above, with reference to fig. 2 and 3, comprising: a detection power source 21, both ends of the detection power source 21 being connected to both ends of the linear conductor 13, respectively; and an indicator 22, the indicator 22 being connected in series between the detection power source 21 and the linear conductor 13 for indicating whether or not the detection circuit is on. The indicator 22 may be of various types, for example, the indicator 22 may be a light signal indicator (such as an indicator light), a voice indicator, or the like, which is not limited in the embodiment of the present invention.
In the detection circuit of the scraper device provided by the embodiment of the invention, the linear conductor is penetrated through the scraping end of the scraper device, and the strength of the linear conductor is less than or equal to that of the scraper, so that when the scraping end of the scraper is provided with a gap, the linear conductor is necessarily disconnected at the gap, and when the two ends of the linear conductor are externally connected with the detection circuit, whether the linear conductor is disconnected or not can be judged by judging the on-off state of the detection circuit by using the indicating piece, and further, whether the gap is formed on the scraper or not can be judged; the scraper device provided by the embodiment of the invention can simply and conveniently detect whether the scraper has a notch before coating the packaging adhesive, so that the scraper can be replaced in time when the scraper has the notch, the defect of product caused by coating the packaging adhesive by using the scraper which does not meet the specification is avoided, the yield of the product is improved, and the production cost is saved.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A scraper device comprises a scraper and a fixed frame, wherein one end of the scraper is fixed on the fixed frame; it is characterized in that the preparation method is characterized in that,
the scraper comprises a scraping end far away from the fixed frame; a linear conductor is arranged at the scraping end in a penetrating manner, the linear conductor is arranged along the extending direction of the scraping end, and two ends of the linear conductor are fixed on the end surface of the scraper;
the strength of the linear conductor is less than or equal to that of the scraper;
the distance from the linear conductor to the bottom of the scraping end is less than or equal to 50 um.
2. A doctor apparatus according to claim 1, characterized in that, in the direction of extension of the doctor end, a through hole is provided in the doctor end, in which through hole the wire-like conductor is arranged.
3. Doctor apparatus according to claim 2, characterised in that the through-going hole is a circular hole.
4. Doctor blade arrangement according to claim 2, characterised in that the size of the through-going hole is adapted to the size of the wire-like conductor.
5. The doctor apparatus as claimed in claim 1, wherein the wire-like conductor is a resistive wire.
6. Doctor apparatus according to claim 1, characterised in that the wire-like conductor is a wire.
7. Doctor apparatus according to claim 1, characterised in that the wire-like conductor is glued at its two ends to the end faces of the doctor blade, respectively.
8. A detection circuit for a doctor apparatus according to any one of claims 1 to 7, characterized in that it comprises:
the two ends of the detection power supply are respectively connected with the two ends of the linear conductor;
an indicator connected in series between the detection power source and the linear conductor for indicating whether the detection circuit is on.
9. The doctor apparatus detection circuit of claim 8, wherein the indicator is an indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957268.2A CN109037488B (en) | 2018-08-21 | 2018-08-21 | Scraper device and detection circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810957268.2A CN109037488B (en) | 2018-08-21 | 2018-08-21 | Scraper device and detection circuit thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109037488A CN109037488A (en) | 2018-12-18 |
| CN109037488B true CN109037488B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810957268.2A Active CN109037488B (en) | 2018-08-21 | 2018-08-21 | Scraper device and detection circuit thereof |
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| Country | Link |
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| CN (1) | CN109037488B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223311A (en) * | 2007-03-12 | 2008-09-25 | Ihi Corp | Abrasion detection device of cutter bit |
| CN102287199A (en) * | 2011-06-24 | 2011-12-21 | 北京市三一重机有限公司 | Current interruption inductive multistage abrasion detection tool for shield machine |
| CN104646239A (en) * | 2015-02-11 | 2015-05-27 | 华南理工大学 | Coating scraper with automatic abrasion alarming switch |
| CN108380455A (en) * | 2018-02-26 | 2018-08-10 | 京东方科技集团股份有限公司 | Scraper device, coating system and its control method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201239704Y (en) * | 2008-07-23 | 2009-05-20 | 比亚迪股份有限公司 | Coating apparatus |
| CN205254689U (en) * | 2015-09-18 | 2016-05-25 | 武汉东湖学院 | Cutter of real -time supervision degree of wear |
| CN107088505B (en) * | 2017-06-26 | 2018-12-18 | 京东方科技集团股份有限公司 | A kind of sealant scraper and sealant automatic double surface gluer |
-
2018
- 2018-08-21 CN CN201810957268.2A patent/CN109037488B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223311A (en) * | 2007-03-12 | 2008-09-25 | Ihi Corp | Abrasion detection device of cutter bit |
| CN102287199A (en) * | 2011-06-24 | 2011-12-21 | 北京市三一重机有限公司 | Current interruption inductive multistage abrasion detection tool for shield machine |
| CN104646239A (en) * | 2015-02-11 | 2015-05-27 | 华南理工大学 | Coating scraper with automatic abrasion alarming switch |
| CN108380455A (en) * | 2018-02-26 | 2018-08-10 | 京东方科技集团股份有限公司 | Scraper device, coating system and its control method |
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| Publication number | Publication date |
|---|---|
| CN109037488A (en) | 2018-12-18 |
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