KR101836684B1 - Alignment apparatus for manufacturing edge of glass substrate and its method - Google Patents

Alignment apparatus for manufacturing edge of glass substrate and its method Download PDF

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Publication number
KR101836684B1
KR101836684B1 KR1020160109027A KR20160109027A KR101836684B1 KR 101836684 B1 KR101836684 B1 KR 101836684B1 KR 1020160109027 A KR1020160109027 A KR 1020160109027A KR 20160109027 A KR20160109027 A KR 20160109027A KR 101836684 B1 KR101836684 B1 KR 101836684B1
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South Korea
Prior art keywords
glass substrate
processing
edge
heating
sensing
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KR1020160109027A
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Korean (ko)
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KR20180023522A (en
Inventor
송명호
현문섭
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한국과학기술원
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
    • C03B33/037—Controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/0086—Heating devices specially adapted for re-forming shaped glass articles in general, e.g. burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B33/00—Severing cooled glass
    • C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
    • C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
    • C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12035—Materials
    • G02B2006/12038—Glass (SiO2 based materials)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The present invention relates to an aligning apparatus and method for edge processing of a glass substrate, and more particularly, to an aligning apparatus and method for edge processing of a glass substrate, which comprises a mounting member for supporting a glass substrate on a long mounting guide rail provided at an upper portion of the mounting platform, A sensing member which is provided on the glass substrate and processes the edge line of the glass substrate, a sensing member which acquires alignment information through a sensing hole provided in the processing member, The glass substrate used for the OLED can be cut and then heated and planarized while aligning along the predetermined reference line when the edge portion of the glass substrate is planarized by including the moving member for aligning the line and the processing reference line.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an alignment apparatus for edge processing a glass substrate,

In the present invention, after cutting a glass substrate used for an OLED (Organic Light Emitting Diodes) or the like, the edge portion of the glass substrate is placed regardless of the size of the glass substrate, The present invention relates to an alignment apparatus and method for edge processing of a glass substrate which can be aligned and processed.

As is well known, in the case of a glass substrate used in a flat panel display such as an OLED, a glass substrate is cut to a desired size and shape, and a machining process for removing sharp corners by grinding or polishing the edges of the glass substrate is essential Is required.

In the above-described processing step, particles generated during processing (for example, grinding, polishing, etc.) of the edge of the glass substrate contaminate the surface of the glass substrate. Therefore, a cleaning process and a drying process are additionally required And the manufacturing cost of the glass substrate can be increased according to this additional process to be performed.

In addition, since particles and chips caught between the belt and the glass substrate during the processing of the glass substrate can severely damage the surface of the glass substrate, there is a problem in that the processing process must be restarted after the process is stopped.

In order to solve the problems described above, a reinforcement process for removing or dulling fine cracks and chipping remaining in the glass substrate after polishing of the glass substrate by using a hydrofluoric acid, a reinforcing agent, or the like is performed Such a process increases the number of processing steps of the glass substrate, which complicates the manufacturing process and increases the manufacturing cost.

In order to solve such a problem, it is possible to prevent the glass dust generated during the corner polishing of the glass substrate by applying a method of cutting the corners in the form of strip by moving the heated member in contact with the edge of the cooled glass substrate, The chipping and cracks generated at the time of cutting are left as they are at other portions of the cut portion, so that the problem caused by remaining chipping can not be completely solved.

In addition, even if the glass substrate is broken during the other processing steps due to the remaining cracks or the breakage does not occur during the process, the micro cracks gradually grow and the possibility of breakage of the glass substrate becomes large in the future, have.

1. Registration No. 10-0419793 (registered Feb. 10, 2004): Method and apparatus for finishing edge of glass 2. Registration No. 10-1494197 (Registered Feb. 11, 2015): Glass Substrate Chamfering Apparatus and Method

The present invention relates to a method for manufacturing an edge portion of a glass substrate by cutting an edge portion of a glass substrate used for an OLED or the like, An alignment apparatus for edge processing of a glass substrate and a method therefor.

Further, according to the present invention, after the glass substrate is placed on the seating member, the edge line is sensed through the sensing member provided in the processing member, the position of the processing member is adjusted through the sensing information, The edge line is moved to the alignment position with the machining reference line through the sensing member provided in the processing member so that the accurate edge region of the glass substrate can be processed and the breakage of the glass substrate can be prevented And an object of the present invention is to provide an alignment apparatus and method for edge processing of a glass substrate which can improve production yield.

The objects of the embodiments of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description .

According to an embodiment of the present invention, there is provided a mounting apparatus comprising: a seating member supported on a long mounting guide rail provided at an upper portion of a seating base, the glass substrate being supported by the seating base; and an edge line provided between the seating base and the glass substrate, A sensing member for acquiring alignment information through a sensing hole provided in the processing member; and a moving member for moving the processing member through the acquired alignment information to align the edge line with the machining reference line An alignment apparatus for edge processing of a glass substrate can be provided.

According to another embodiment of the present invention, there is provided a method of manufacturing a glass substrate, comprising the steps of: placing a glass substrate on top of a seating member; acquiring alignment information of the glass substrate through a sensing hole of a sensing member provided in the processing member; Aligning a machining datum line with an edge line of the glass substrate by moving the machining member through information, and machining the edge line through the machining member to provide an alignment method for edge machining of a glass substrate .

The present invention can cut the glass substrate used for an OLED or the like and then place the glass substrate regardless of the size of the glass substrate when the edge portion of the glass substrate is processed and align the edge line and the processing reference line of the glass substrate .

Further, according to the present invention, after the glass substrate is placed on the seating member, the edge line is sensed through the sensing member provided in the processing member, the position of the processing member is adjusted through the sensing information, The edge line is moved to the alignment position with the machining reference line through the sensing member provided in the processing member so that the accurate edge region of the glass substrate can be processed and the breakage of the glass substrate can be prevented And the production yield can be improved.

1 and 2 are views illustrating an alignment apparatus for edge processing of a glass substrate according to an embodiment of the present invention,
FIG. 3 is a view showing AA 'in FIG. 1,
4 is a view illustrating an alignment apparatus for edge processing of a glass substrate according to another embodiment of the present invention,
FIG. 5 is a cross-sectional view taken along line BB 'of FIG. 4,
6 is a step-by-step flow chart illustrating an alignment method for edge processing of a glass substrate according to another embodiment of the present invention.

Advantages and features of embodiments of the present invention and methods of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 and FIG. 2 illustrate an alignment apparatus for edge processing of a glass substrate according to an embodiment of the present invention, and FIG. 3 is a view showing A-A 'in FIG.

1 to 3, an alignment apparatus 100 for edge processing a glass substrate according to an embodiment of the present invention includes a seating member 110, a processing member 120, a sensing member 130, (140), and the like.

The seating member 110 is provided with a flat mounting table 112 having a predetermined height for processing the edge of the glass substrate 10 with the glass substrate 10 mounted thereon, A long seating guide rail 114 may be provided to support the lower portion of the glass substrate 10 and the seating guide rail 114 may protrude above the seating table 112, Not only the upper portion of the edge portion of the substrate 10 and the edge portion side but also the lower portion of the edge portion can be heated and processed together and the processing member 120, the sensing member 130 and the shifting member 140 So that it can be moved and aligned.

The glass substrate 10 can be coupled to and supported by the support 116 and the contact strip 118 and can be coupled to the mount guide rail 114 through a grounding means such as a vacuum pad provided at the end of the contact strip 118. [ The glass substrate 10 can be stably mounted on the upper portion of the glass substrate 10, and can be desorbed thereafter.

The processing member 120 is movably provided on the upper portion of the seating member 110 to process an edge line (EL) of the glass substrate 10 and includes a processing body 121, a heating hole 122, A heating plate 123, a gas supply pipe 124, and the like. That is, the processing member 120 may be provided between the mount table 112 and the glass substrate 10.

The machining body 121 may have a rectangular shape having an inwardly protruding space so that the constituent parts of the machining member 120 to be described later can be inserted.

The heating plate 123 is provided corresponding to the manufacturing line ML and the heating plate 123 discharges the flame through the heating hole 122. The gas supply pipe 124 is connected to the heating plate 123 It is possible to supply the combustion gas into the inside thereof.

That is, the flame is generated using the combustion gas (for example, butane gas or the like) supplied to the inside of the heating plate 123 and is discharged upward along the machining reference line ML through the heating hole 122, The flame is heated and processed by supplying the edge line EL of the glass substrate 10 to the bottom of the edge portion, the side of the edge portion and the upper edge portion, so that the damage caused by chipping and cracking of the glass substrate 10 The problem can be prevented in advance.

Here, the temperature of the emitted flame can be maintained in the temperature range of approximately 1500-2000 占 폚 in the edge line (EL), and sufficient for continuous flame release to the machining datum ML in the case of the heating hole 122 Of course.

On the other hand, the above-described processing member 120 may be provided on the left and right sides of the glass substrate 10 so as to be positioned below the edge lines EL. It is needless to say that the processing member 120 may be provided in front of and behind the glass substrate 10. In this case, each of the surfaces (four surfaces) of the glass substrate 10 can be processed simultaneously .

The sensing member 130 acquires alignment information through a sensing hole 134 provided in the processing member 120. The sensing member 130 is provided along the machining datum line ML of the seating member 110 and includes an edge line EL, (ML), and may include an optical sensor 132, a sensing hole 134, and the like.

The optical sensor 132 is provided inside the processing member 120 and is provided two in the forward direction (the right direction in FIG. 1) and the rear direction (the left direction in FIG. 1) along the machining reference line ML, A sensing hole 134 may be provided to allow the light from the light sensor 132 to be emitted after the light is emitted. Needless to say, at least two or more such optical sensors 132 may be provided as needed.

That is, it is sensed whether light is emitted from the light sensor 132 to the upper side and reflected by the edge line EL of the glass substrate 10 to be received, and the sensing result (i.e., alignment information) 140 to the movement controller (not shown). Here, the optical sensor may employ any one of infrared ray, laser, visible ray and X-ray.

The moving member 140 aligns the edge line EL and the machining datum line ML through the alignment information provided on the machining member 120 and includes a movement controller (not shown), a conveyor (not shown) ), And the like. Since the movement controller and the conveyor have been variously configured to perform the X-axis, Y-axis, shear adjustment, rear stage adjustment, etc. including the X-axis guide rail, the Y-axis guide rail and the drive motor, The description is omitted, and only the operation will be described.

The movement controller controls the movement of the glass substrate 10 via the sensing element 110 through the sensing reference lines LB through the sensing results (i.e., alignment information) transmitted through the optical sensors 132 provided on the front and rear sides of the processing reference line ML, The edge line EL of the glass substrate 10 is positioned on the machining datum line ML by adjusting the forward, backward, left and right direction of the conveyer in accordance with the result of the determination, .

These sensing results are used to accurately determine whether or not the glass substrate 10 is aligned through the two sensing results of the optical sensors 132 provided on the front and rear sides of one side and the two sensing results of the optical sensors 132 provided on the front and rear sides of the other side can do.

For example, when one side front sensor is A, one side rear sensor is B, the other side front sensor is C, and the other side rear sensor is D, the sensing results of A, B, C and D are received or received X, it can be determined that the glass substrate 10 is in an aligned state when A and B, or C and D are respectively received (that is, reflected and received by the edge line), and A And B, or C and D are received (that is, when light is not received because it is not reflected at the edge line), the movement controller can move the glass substrate 10 through the conveyor so that the glass substrate 10 can be aligned. The X-axis and Y-axis can be adjusted.

Here, the determination is made using the sensing results of A and B or C and D, but of course it can be accurately determined using all sensing results of A, B, C, and D.

Therefore, in the present invention, after cutting a glass substrate used for an OLED or the like, after the edge portion of the glass substrate is processed regardless of the size of the glass substrate, the edge line of the glass substrate and the processing reference line are aligned and processed .

Further, according to the present invention, after the glass substrate is placed on the seating member, the edge line is sensed through the sensing member provided in the processing member, the position of the processing member is adjusted through the sensing information, The edge line is moved to the alignment position with the machining reference line through the sensing member provided in the processing member so that the accurate edge region of the glass substrate can be processed and the breakage of the glass substrate can be prevented And the production yield can be improved.

Next, an edge machining apparatus for a glass substrate having the above-described structure is provided with a heater provided at a lower portion thereof, a heating cover for guiding the heat generated from the heater to the glass substrate edge, and a heating member, Another embodiment for machining an edge will be described.

FIG. 4 is a view illustrating an alignment apparatus for edge processing of a glass substrate according to another embodiment of the present invention, and FIG. 5 is a plan view of FIG. 4 taken along line B-B '.

4 and 5, an aligning apparatus 200 for edge processing a glass substrate according to another embodiment of the present invention includes a seating member 110, a processing member 220, a sensing member 130, (140), and the like. Here, since the seating member 110, the sensing member 130, and the moving member 140 are similar to those described in the embodiment of the present invention as described above, hereinafter, the processing member 220 and the associated The difference will be described.

The processing member 220 is provided on the seating member 110 to process an edge line EL of the glass substrate 10 and includes a heating hole 222, a heater 224, a heating cover 226, and the like .

The heating hole 222 is provided corresponding to the machining datum ML and the heater 224 emits heat through the heating hole 222 and the heating cover 226 can collect the heat to be emitted.

That is, the heater 224 may be a resistance heating type, a high frequency induction heating type, or the like. The heat generated through the heater 224 may be radiated upward through the heating hole 222, The edge portion side and the edge portion side of the glass substrate 10 can be exposed to heat emitted through the heater 224 in a state in which the edge line EL of the glass substrate 10 is aligned with the machining datum line ML The heating holes 222 may be provided in the form of rectangular holes elongated in the front and back longitudinal direction corresponding to the machining reference line ML.

In addition, the heating cover 226 may extend in the form of vertically upwardly extending by a predetermined height while enclosing the outer surface of the heating hole 222 and surrounding the upper portion of the edge portion of the glass substrate 10 inwardly, In order to allow the heat emitted through the heater 224 to be heated to the upper edge portion after heating the edge portion side and the edge portion side of the glass substrate 10 and to limit the heating range thereof, (For example, ┓ or the like) bent in a downward direction.

Here, the width of the heating hole 222, the distance between the upper portion of the heater 224 and the lower portion of the edge portion of the glass substrate 10, and the distance between the upper portion of the edge portion of the glass substrate 10 and the lower portion of the heating cover 226 The distance of the surface can be set so as to maintain a distance of 5-10 mm, and the heater 224 can be adjusted so that the heating area (HA) can be maintained in a temperature range of about 1500-2000 ° C. have.

Therefore, in the present invention, after the glass substrate is placed on the seating member, the edge line is sensed through the sensing member provided on the processing member, the position of the processing member is adjusted through the sensing information, The edge line is moved to the alignment position with the machining reference line through the sensing member provided in the machining member so that the accurate edge area of the glass substrate is machined by machining the edge portion by heating with a resistance heating method or a high frequency induction heating type heater, Therefore, it is possible to prevent breakage of the glass substrate and to improve the production yield.

Although the present invention has been described with reference to a configuration in which a heating method of applying a flame or heat to process an edge line of a glass substrate 10 is applied, And the like can be applied.

In addition, an alignment method for edge processing of a glass substrate according to another embodiment of the present invention includes a step (602) of placing a glass substrate on an upper part of a seating member as shown in Fig. 6, (604) of obtaining alignment information of the glass substrate through a sensing hole of a sensing member, aligning an edge line of the glass substrate with a processing reference line by moving the processing member through the obtained alignment information (606 And machining the edge line through the processing member (608).

Here, a heating method or a polishing method may be applied to the processing member. In the heating method, a combustion gas may be used, or a resistance heating method or a high frequency induction heating method may be used.

Further, the sensing member includes an optical sensor, and the optical sensor may use any one selected from the group consisting of infrared ray, laser, visible ray and X-ray.

Therefore, in the present invention, after the glass substrate is placed on the seating member, the edge line is sensed through the sensing member provided on the processing member, the position of the processing member is adjusted through the sensing information, The edge line is moved to the alignment position with the machining reference line through the sensing member provided in the processing member so that the accurate edge region of the glass substrate can be processed and the breakage of the glass substrate can be prevented And the production yield can be improved.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be readily apparent that such substitutions, modifications, and alterations are possible.

100, 200: alignment device for edge processing of glass substrate
110: seat member 120, 220:
130: sensing member 140: moving member

Claims (13)

A seating member which is provided on an upper portion of the seating base and is supported on a longitudinal seating guide rail,
A processing member provided between the mount table and the glass substrate for processing an edge line of the glass substrate,
A sensing member for acquiring alignment information through a sensing hole provided in the processing member,
And a moving member moving the machining member through the acquired alignment information to align the machining reference line with the edge line,
Wherein,
A processing body,
A heating hole provided in a rectangular shape elongated in the front and rear longitudinal direction corresponding to the machining reference line of the machining body;
A heater for emitting heat through the heating hole,
The heat generating unit is configured to extend a predetermined height to vertically upwardly surround the outer surface of the heating hole and to surround the upper portion of the edge portion of the glass substrate while concentrating the emitted heat, And a heating cover
And an alignment device for edge processing the glass substrate.
delete delete delete The method according to claim 1,
Wherein the heater is a resistance heating method or a high frequency induction heating method.
6. The method according to claim 1 or 5,
Wherein the sensing holes are provided in front of and behind the heating holes.
The method according to claim 6,
Wherein the sensing member is for aligning a glass substrate including an optical sensor.
8. The method of claim 7,
Wherein the optical sensor is any one of an infrared ray, a laser, a visible ray, and an X-ray.
Placing the glass substrate on top of the seating member,
Acquiring alignment information of the glass substrate through a sensing hole of a sensing member provided in the processing member;
Aligning an edge line of the glass substrate with a machining reference line by moving the machining member through the acquired alignment information;
And machining the edge line through the processing member,
Wherein the processing member discharges heat through a heating hole provided in a rectangular shape elongated in the longitudinal direction in the longitudinal direction corresponding to the machining reference line of the processing body and collects the discharged heat through the heating cover,
The heating cover extends vertically upward by a predetermined height while enclosing the outer surface of the heating hole and extends inwardly to cover the upper portion of the edge portion of the glass substrate and is bent in a downward direction Of the glass substrate (1).
delete 10. The method of claim 9,
Wherein the processing member is a resistance heating method or a high frequency induction heating method.
The method according to claim 9 or 11,
Wherein the sensing member comprises an optical sensor.
13. The method of claim 12,
Wherein the optical sensor uses any one selected from the group consisting of infrared, laser, visible light and X-ray.
KR1020160109027A 2016-08-26 2016-08-26 Alignment apparatus for manufacturing edge of glass substrate and its method KR101836684B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101309771B1 (en) * 2011-06-02 2013-09-23 에이그라스 주식회사 Method and apparatus for removing cutting edge crack of glass plate

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101309771B1 (en) * 2011-06-02 2013-09-23 에이그라스 주식회사 Method and apparatus for removing cutting edge crack of glass plate

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