CN112394555A - Carrying platform used in terminal short circuit ring cutting device and terminal short circuit ring cutting device - Google Patents
Carrying platform used in terminal short circuit ring cutting device and terminal short circuit ring cutting device Download PDFInfo
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- CN112394555A CN112394555A CN202011471116.5A CN202011471116A CN112394555A CN 112394555 A CN112394555 A CN 112394555A CN 202011471116 A CN202011471116 A CN 202011471116A CN 112394555 A CN112394555 A CN 112394555A
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- horizontal platform
- terminal short
- circuit ring
- carrier
- short circuit
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention provides a carrier used in a terminal short circuit ring cutting device, wherein the carrier is used for bearing a substrate to be cut off a terminal short circuit ring, and is characterized by comprising: the device comprises a horizontal platform and a plurality of supporting columns, wherein the horizontal platform comprises a horizontal platform bulge part and a horizontal platform horizontal part; the support column is scalable support column, has extension state and compression state, and when being in extension state, the support column top is higher than the top of horizontal platform bellying, when being in compression state, the support column top with the top of horizontal platform bellying is leveled. According to the technical scheme, the adsorption capacity of the substrate is improved, and the levelness of the substrate in the terminal short circuit ring area can be increased, so that the clear shooting alignment mark of the grabbing camera is guaranteed, and the focus of the laser beam keeps focused on the terminal short circuit ring area to be cut.
Description
Technical Field
The invention relates to the field of manufacturing of liquid crystal display panels, in particular to a carrying platform in a terminal short circuit ring cutting device.
Background
In the production process of the liquid crystal display panel, the display panel must be tested through lighting detection, which is important for the quality control of the display panel, and at this stage, whether the display panel has a bad point (e.g., a bright point or a dark point) can be detected.
In order to realize the lighting detection process, conductive circuits are arranged at the appointed position of the substrate, each circuit is communicated with a pixel point, then each circuit communicated with the pixel point is connected at the conductive circuit terminal at the edge of the substrate through a conductive wire, and the conductive wire connecting each terminal at the terminal is called a terminal short circuit ring. Through setting up the terminal short-circuit ring, as long as give the circular telegram of terminal short-circuit ring, can light the pixel of whole screen, inspect the picture after lighting, find out the pixel that has the problem and take corresponding measure.
After lighting detection is completed, in order to prevent abnormal display of the liquid crystal panel due to short circuit at the terminals of the conductive circuits connected to the pixels after subsequent assembly of the product, it is necessary to completely remove the terminal short circuit rings disposed on the substrate by using a terminal short circuit ring removing device before the product is assembled.
Fig. 1 is a schematic side view of a conventional terminal short-circuit ring cutting device, and fig. 2 is a schematic top view of a carrier in the conventional terminal short-circuit ring cutting device, wherein the carrier sets a substrate (the substrate is exemplarily shown as transparent in fig. 2 so that the support pillars can be observed) at a working height through a plurality of support pillars, the substrate includes a glass layer and a conductive layer, and a terminal short-circuit ring to be cut is located in the conductive layer. The working height is to ensure that an alignment mark grabbing camera (not shown) can clearly shoot an alignment mark (not shown) on the substrate, and simultaneously ensure that the focus of a laser beam emitted by a laser generator is positioned on the short circuit ring area of the terminal to be cut of the substrate. At this time, the height is locked to ensure that the terminal short ring cutting device is in an optimum working state at the height.
However, due to the difference of the glass base materials, the bending of the substrate material has a height difference of about 1.5mm, and in the prior art, when the stage adsorbs the substrate through the suction nozzle at the top of the support column, due to the bending of the substrate material and the further bending of the substrate caused by the adsorption force of the plurality of suction nozzles, the capture camera cannot clearly and accurately shoot the alignment mark, and the laser beam cannot keep focusing on the region of the terminal short-circuit ring to be cut off, which results in the abnormal situations of incomplete cutting off of the terminal short-circuit ring, and the like. The camera is grabbed to take a picture in a fuzzy mode, so that the cutting position cannot be accurately positioned, personnel are required to confirm, and the workload of the personnel is increased.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a carrier for a terminal short-circuit ring cutting device, which uses an improved horizontal platform and a retractable support column, so as to not only improve the adsorption capacity of a substrate, but also increase the levelness of the substrate in a terminal short-circuit ring area by matching with the improved horizontal platform, overcome the unevenness caused by glass bending, ensure that the terminal short-circuit ring area is at the same height, ensure that a capturing camera clearly captures an alignment mark, and keep the focus of a laser beam focused on the terminal short-circuit ring area to be cut.
Therefore, the embodiment of the invention provides the following technical scheme:
the invention provides a carrier used in a terminal short circuit ring cutting device, wherein the carrier is used for bearing a substrate to be cut off a terminal short circuit ring, and is characterized by comprising: the device comprises a horizontal platform and a plurality of supporting columns, wherein the horizontal platform comprises a horizontal platform bulge part and a horizontal platform horizontal part; the support column is scalable support column, has extension state and compression state, and when being in extension state, the support column top is higher than the top of horizontal platform bellying, when being in compression state, the support column top with the top of horizontal platform bellying is leveled.
In combination with the first aspect of the present invention, the horizontal platform has a plurality of protrusions.
In combination with the first aspect of the present invention, the tops of the plurality of protrusions of the horizontal platform are at the same horizontal level.
In combination with the first aspect of the present invention, the horizontal platform projection is disposed at a position of the horizontal platform corresponding to a terminal short circuit ring region to be cut off of the substrate.
In combination with the first aspect of the invention, the horizontal platform projection is provided at one or more edges of the horizontal platform section.
In combination with the first aspect of the present invention, the plurality of protrusions of the horizontal platform and the horizontal platform are integrally formed, or are separately formed and connected as a whole.
In combination with the first aspect of the present invention, the plurality of projections of the horizontal platform may have the same or different shapes.
In combination with the first aspect of the present invention, the support column further includes a suction nozzle, an elastic member, and a suction channel.
In combination with the first aspect of the present invention, the elastic member is a spring, or a concertina elastic member made of an elastic material.
The invention provides a terminal short circuit ring cutting device, which comprises the carrier as described above, and is characterized by further comprising a laser generating device for generating laser used for cutting the terminal short circuit ring, wherein the laser generating device and the carrier are arranged such that the focus of a laser beam emitted by the laser generating device falls into the region of the terminal short circuit ring to be cut.
The technical scheme of the embodiment of the invention has the following advantages: through the improved design of a carrying platform in the terminal short circuit ring cutting device, the problem of inconsistent height caused by bending of a substrate material can be effectively solved, the grabbing camera can clearly shoot an alignment mark, the focus of a laser beam emitted by the laser generator can be kept in the area of the terminal short circuit ring to be cut, and therefore accurate cutting of the terminal short circuit ring is achieved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic side view of a prior art terminal shorting ring removal apparatus;
FIG. 2 is a schematic top view of a carrier in a terminal short-circuiting ring cutting device according to the prior art;
fig. 3 is a schematic side view of a stage according to a first embodiment of the invention;
fig. 4 is a schematic top view of a carrier according to a first embodiment of the invention;
fig. 5 is a perspective view of a horizontal platform of a stage according to a first embodiment of the invention;
FIG. 6 is a schematic view of a concertina-type elastically stretchable supporting column according to one embodiment of the present invention;
fig. 7 is a schematic view of a terminal short-circuiting ring cutting device including the carrier of the first embodiment, in which the support columns are in an extended state;
fig. 8 is a schematic view of a terminal short-circuiting ring cutting device including the carrier of the first embodiment, in which the supporting columns are in a compressed state;
fig. 9 is a schematic top view of a carrier according to a second embodiment of the invention;
fig. 10 is a schematic view of a retractable support column according to a third embodiment of the present invention;
fig. 11, 12 exemplarily show other embodiments of the horizontal platform protrusion in the stage of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
According to an embodiment of the present invention, there is provided a carrier used in a terminal short-circuiting ring cutting device and a terminal short-circuiting ring cutting device using the same, and the carrier used in the terminal short-circuiting ring cutting device is described in detail below with reference to the drawings.
Fig. 3-5 exemplarily show a first embodiment of the carrier of the present invention, wherein fig. 3 is a side view of the carrier of the first embodiment, fig. 4 is a top view of the carrier of the first embodiment, and fig. 5 is a perspective view of a horizontal platform of the carrier of the first embodiment (wherein the support posts are not shown).
Fig. 3 and 4 are schematic diagrams showing an exemplary stage having a horizontal platform and a plurality of support columns, and fig. 4 shows an exemplary substrate placed on top of the support columns in a transparent state so that the placement and arrangement of the support columns can be recognized. Fig. 6 is a schematic diagram of an organ-type elastic retractable supporting column according to one embodiment of the present invention, the supporting column has a suction nozzle at the top thereof for sucking a substrate carried thereon, the supporting column has a suction channel therein, the lower portion of the suction channel is connected to an air pump or the like, and the supporting column body is an organ-type elastic component and may be made of an elastic material such as rubber, silicone, or the like. When the air pump sucks air, the suction nozzle is in close contact with the substrate and is in a state that air cannot leak, and the elastic component is compressed along with further air suction; the elastic member is capable of stretching when the air pump is deflated. Therefore, the height of the elastic support columns can be changed by sucking and discharging air of the air pump, so that the elastic support columns can be changed between the stretching state and the compression state.
The area of the terminal shorting ring to be cut is illustratively located at the lower edge of the substrate in fig. 4, as well as the lower layer of the substrate in fig. 3.
The horizontal platform comprises a horizontal platform horizontal part and a plurality of horizontal platform convex parts, and the support columns and the horizontal platform convex parts are positioned on the horizontal platform horizontal part. The tops of the plurality of horizontal platform projections are on the same horizontal plane. In fig. 4, the horizontal stage protrusion is exemplarily provided at a lower portion of the horizontal stage corresponding to a region of the terminal short ring to be cut off of the substrate carried thereon.
Fig. 7 and 8 are schematic diagrams showing a terminal short ring cutting apparatus including the above-described stage. In fig. 7, the retractable support columns of the stage are in an extended state, and in fig. 8, the retractable support columns of the stage are in a compressed state. The specific operation of the terminal shorting ring cutting device will be described in detail with reference to fig. 7 and 8.
In fig. 7, the substrate with the terminal shorting ring to be cut off is placed on the retractable support posts of the stage, with the retractable support posts in an extended state. The air pump device is started to suck air through an air suction channel (not shown) in the support column, so that the suction nozzle at the top of the support column sucks the substrate carried thereon, and the elastic part is compressed along with continuous air suction to enter a compressed state of the telescopic support column shown in fig. 8.
In the working state exemplarily shown in fig. 8, the retractable supporting columns are in a compressed state, at this time, the substrate carried on the supporting columns is adsorbed on the upper surfaces of the horizontal platform protrusions due to the compressed state of the retractable supporting columns, and the upper surfaces of the horizontal platform protrusions are on the same horizontal plane, so that the terminal short circuit ring regions to be cut off can be ensured to be on the same height, thereby effectively overcoming the height inconsistency caused by the bending of the substrate material. Further, the focus of the laser beam emitted by the laser generator is maintained in the region of the terminal short-circuit ring to be cut off, so that a capture camera (not shown) can clearly photograph the alignment mark and accurate cutting off of the cut-off terminal short-circuit ring is realized.
Fig. 9 exemplarily shows a top view of the stage of the second embodiment of the present invention.
In this embodiment, parts that are the same as those in the first embodiment are not described again, and a main difference between the second embodiment and the first embodiment is that in this embodiment, due to the substrate on the carrier and the stage, the terminal short-circuit rings to be cut are provided at three edges. Thus, the stage is designed to correspond to the to-be-cut terminal shorting ring area of the substrate carried thereon, with a plurality of raised portions provided at each of the three edges (illustratively shown as the three left, bottom, and right edges in fig. 8) of the horizontal stage portion of the stage. When the telescopic supporting columns are in a compression state, the substrate is adsorbed on the upper surfaces of the bosses of the horizontal platforms through the suction nozzles at the tops of the supporting groups. And can ensure that the terminal short circuit ring areas to be cut off at the three edges are all positioned at the same height, thereby effectively overcoming the height inconsistency caused by the bending of the substrate material. Further make the focus of the laser beam that laser generator jetted out keep waiting to cut off in the terminal short-circuit ring region to the realization is grabbed the camera and can be shot alignment mark clearly, and realizes the accurate excision to the terminal short-circuit ring of excision.
Fig. 10 schematically illustrates another retractable support column used in the stage according to the third embodiment of the present invention.
The same parts in this embodiment as those in the previous embodiment will not be described again, and the main difference between this embodiment and the previous embodiment is that a telescopic type retractable supporting column shown in fig. 10 is used to replace the concertina type elastic retractable supporting column in the previous embodiment.
In fig. 10, the telescopic retractable supporting column includes a suction nozzle at the top for sucking a substrate carried thereon, the supporting column has a suction channel made of flexible material therein, the lower portion of the suction channel is connected to an air pump, the supporting column body is a plurality of sleeves which are gradually thickened and are sleeved with each other, and the elastic component is a spring inside the retractable sleeve. The organ type elastic component can be made of elastic materials such as rubber, silica gel and the like. When the air pump sucks air, the suction nozzle is in close contact with the substrate and is in a state that air cannot leak, and with further air suction, an air suction channel made of a flexible material is shortened, so that the spring is forced to be compressed, and the telescopic sleeve is further shortened; when the air pump deflates, the air suction channel made of the flexible material extends, and the elastic force of the spring enables the telescopic sleeve to extend. Therefore, the height of the elastic support columns can be changed by sucking and discharging air of the air pump, so that the elastic support columns can be changed between the stretching state and the compression state.
Fig. 11-12 exemplarily show other embodiments of the horizontal platform protrusion in the stage of the present invention. The horizontal platform protrusion may be circular in top view cross section as shown in fig. 11, and trapezoidal or circular in top view cross section as shown in fig. 12. As will be understood by those skilled in the art from the above schematic views, the cross-sectional area of the horizontal platform protrusion may be the same or different, and may be various cross-sectional shapes or combinations thereof, without departing from the invention. Although fig. 11 and 12 schematically show the horizontal plane protrusion portion provided at the lower edge in the plan view, it will be understood by those skilled in the art that the protrusion portions having various shapes may be provided at positions corresponding to the regions of the substrate mounted on the stage where the terminal short-circuit rings are to be cut, without departing from the invention. The plurality of protrusions of the horizontal platform and the horizontal platform part can be manufactured in an integrated molding mode or in a separate molding mode and are connected into a whole through welding, riveting, bolt connection and the like.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A carrier for use in a terminal short ring cutting apparatus, the carrier being used for carrying a substrate from which a terminal short ring is to be cut, comprising: a horizontal platform and a plurality of support columns, wherein,
the horizontal platform comprises a horizontal platform bulge and a horizontal platform horizontal part;
the support column is scalable support column, has extension state and compression state, and when being in extension state, the support column top is higher than the top of horizontal platform bellying, when being in compression state, the support column top with the top of horizontal platform bellying is leveled.
2. The stage of claim 1, wherein the horizontal platform has a plurality of raised portions.
3. The stage of claim 2, wherein the tops of the plurality of raised portions of the horizontal platform are at the same horizontal level.
4. The stage of claim 1, wherein the horizontal platform bump is disposed at a location of the horizontal platform bump that corresponds to a terminal shorting ring area of the substrate to be cut.
5. The stage of claim 1, wherein the horizontal platform raised portion is disposed at one or more edges of the horizontal platform portion.
6. The carrier of claim 1, wherein the plurality of raised portions of the horizontal platform are integrally formed with the horizontal platform portion or are formed separately and integrally connected.
7. The stage of any one of claims 1-6, wherein the plurality of raised portions of the horizontal platform are the same shape.
8. The carrier of claim 1, wherein the support posts further comprise suction nozzles, elastic members, and suction channels.
9. The carrier as claimed in claim 8, wherein the resilient member is a spring or a concertina resilient member made of a resilient material.
10. A terminal short-circuit ring cutting device comprising the carrier as claimed in claims 1 to 9, characterized by further comprising a laser generating device for generating laser used for cutting the terminal short-circuit ring, and the laser generating device and the carrier are arranged such that the focal point of the laser beam emitted by the laser generating device falls in the region of the terminal short-circuit ring to be cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471116.5A CN112394555A (en) | 2020-12-14 | 2020-12-14 | Carrying platform used in terminal short circuit ring cutting device and terminal short circuit ring cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471116.5A CN112394555A (en) | 2020-12-14 | 2020-12-14 | Carrying platform used in terminal short circuit ring cutting device and terminal short circuit ring cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN112394555A true CN112394555A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471116.5A Pending CN112394555A (en) | 2020-12-14 | 2020-12-14 | Carrying platform used in terminal short circuit ring cutting device and terminal short circuit ring cutting device |
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| CN1895831A (en) * | 2005-11-09 | 2007-01-17 | 中国科学院长春光学精密机械与物理研究所 | Laser cutter for liquid-crystal screen short-circuit loop |
| CN102643018A (en) * | 2012-02-29 | 2012-08-22 | 京东方科技集团股份有限公司 | Lobe separation equipment and method |
| CN106773211A (en) * | 2016-12-29 | 2017-05-31 | 深圳市华星光电技术有限公司 | A kind of display panel cutting machine and its cutting method |
| CN211264017U (en) * | 2020-02-05 | 2020-08-14 | 天津宏源博纳科技发展有限公司 | Liquid crystal plate breaking device |
| CN111872582A (en) * | 2020-07-09 | 2020-11-03 | 大族激光科技产业集团股份有限公司 | Objective table of laser cutting equipment |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060126362A1 (en) * | 2004-12-10 | 2006-06-15 | Innolux Display Corp. | Backlight module with urged light guide plate and liquid crystal display having same |
| CN1825719A (en) * | 2005-02-22 | 2006-08-30 | 富士通株式会社 | Contactor for electronic parts and a contact method |
| CN1895831A (en) * | 2005-11-09 | 2007-01-17 | 中国科学院长春光学精密机械与物理研究所 | Laser cutter for liquid-crystal screen short-circuit loop |
| CN102643018A (en) * | 2012-02-29 | 2012-08-22 | 京东方科技集团股份有限公司 | Lobe separation equipment and method |
| CN106773211A (en) * | 2016-12-29 | 2017-05-31 | 深圳市华星光电技术有限公司 | A kind of display panel cutting machine and its cutting method |
| CN211264017U (en) * | 2020-02-05 | 2020-08-14 | 天津宏源博纳科技发展有限公司 | Liquid crystal plate breaking device |
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Application publication date: 20210223 |