Glass slitting assembly and glass cutting apparatus including the same

Abstract

Provided is a glass slitting assembly comprising a support configured to guide glass moving in a first direction, a mechanical cutter located above the support and configured to form a groove extending in the first direction in an upper surface of the glass, and a laser cutter above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, wherein the mechanical cutter and the laser cutter are located so that the glass passes through the laser cutter after passing through the mechanical cutter.

Description

SP25-050 Glass Slitting Assembly and Glass Cutting Apparatus Including the SameBACKGROUNDCross-Reference To Related Applications

[0001] This application claims the benefit of priority under 35 U.S.C. § 119 of U.S. Provisional Application No. 63 / 777207 filed on March 25, 2025, the content of which is relied upon and incorporated herein by reference in its entirety.Field

[0002] The disclosure relates to a glass slitting assembly and a glass cutting apparatus including the same, and more particularly, to a glass slitting assembly for slitting ultrathin glass and a glass cutting apparatus including the same.Description of the Related Art

[0003] As the industrial demand for ultra-thin glass increases rapidly, precisely slitting ultra-thin glass in accordance with various demand standards is emerging as an important task. In particular, the demand for thinner and more precise glass substrates continues to increase in industrial fields such as displays, semiconductors, and optical components, but the thinner the thickness, the higher the brittleness of such ultra-thin glass, which causes an issue that breakage easily occurs during a slitting process.

[0004] Research continues to be conducted to precisely slit ultra-thin glass without breakage, and various approaches have been attempted such as laser cutting technology and chemical etching technology as well as an existing mechanical cutting method. However, these technologies still do not completely solve issues such as fine cracks, chipping, and degradation of edge quality, which occur during a precision slitting process of ultra-thin glass.SUMMARY

[0005] Provided are a glass slitting assembly that minimizes breakage of glass and a glass cutting apparatus including the same.

[0006] In addition, the problems to be solved by the technical idea of the disclosure are not limited to the above-mentioned problems, and other problems may be clearly understood by one of ordinary skill in the art from the description below.SP25-050

[0007] Additional aspects will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the presented embodiments of the disclosure.

[0008] According to an aspect of the disclosure, a glass slitting assembly comprises a support configured to guide glass moving in a first direction, a mechanical cutter located above the support and configured to form a groove extending in the first direction on an upper surface of the glass, and a laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, wherein the mechanical cutter and the laser cutter are located so that the glass passes through the laser cutter after passing through the mechanical cutter.

[0009] In an embodiment, while the glass moves in the first direction on the upper portion of the support, the mechanical cutter may be configured to be in continuous contact with the upper surface of the glass.

[0010] In an embodiment, the glass slitting assembly may further comprise a controller configured to control a position of the laser cutter such that the laser cutter is located to irradiate light to the groove formed by the mechanical cutter on the glass.

[0011] In an embodiment, a depth of the groove may be 5 % to 15 % of a thickness of the glass.

[0012] In an embodiment, an output of the laser cutter may be 10 W to 30 W.

[0013] In an embodiment, the mechanical cutter may comprise a blade in the shape of a circular saw.

[0014] In an embodiment, the glass slitting assembly may further comprise a cooler located above the support and located in a line in the first direction with the mechanical cutter and the laser cutter, and the cooler may be located such that the glass passes through the cooler after passing through the laser cutter.

[0015] In an embodiment, the glass slitting assembly may comprise a plurality of mechanical cutters, the glass slitting assembly may comprise a plurality of laser cutters, the plurality of mechanical cutters may be spaced apart from each other in a second direction perpendicular to the first direction, and the plurality of laser cutters may be spaced apart from each other in the second direction.

[0016] In an embodiment, the glass slitting assembly may further comprise driver configured to move the mechanical cutter and the laser cutter in a second direction perpendicular to the first direction.SP25-050

[0017] According to another aspect of the disclosure, a glass cutting apparatus comprises a glass supply roller configured to supply glass to be cut in a first direction, a glass slitting assembly configured to slit the glass supplied from the glass supply roller, and a plurality of glass collection rollers spaced apart from the glass supply roller with the glass slitting assembly therebetween, and configured to collect the glass slit by the glass slitting assembly, the glass slitting assembly comprises a support configured to guide the glass moving in the first direction, a mechanical cutter located above the support and configured to form a groove extending in the first direction in an upper surface of the glass, and a laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, and the mechanical cutter and the laser cutter are located so that the glass passes through the laser cutter after passing through the mechanical cutter.

[0018] In an embodiment, the glass cutting apparatus may further comprise a plurality of tilting members located between the glass slitting assembly and the plurality of glass collection rollers and configured to guide the glass moving from the glass slitting assembly to the plurality of glass collection rollers, and the plurality of tilting members may respectively correspond to the plurality of glass collection rollers.

[0019] In an embodiment, the plurality of glass collection rollers may comprise a side roller and a main roller, the plurality of tilting members may comprise a first side tilting member corresponding to the side roller and a main tilting member corresponding to the main roller, the first side tilting member may have different vertical levels at both ends that are opposite to each other in a major axis direction of the first side tilting member, and the main tilting member may have a same vertical level at both ends that are opposite to each other in a major axis direction of the main tilting member.

[0020] In an embodiment, an inclination of the first side tilting member may be 5 degrees to 15 degrees.

[0021] In an embodiment, a vertical level of the side roller may be lower than a vertical level of the main roller.

[0022] In an embodiment, the plurality of tilting members may further comprise a second side tilting member located between the first side tilting member and the side roller, and the second side tilting member may have a same vertical level at both ends that are opposite to each other in a major axis direction of the second side tilting member.SP25-050

[0023] In an embodiment, the glass slitting assembly may be configured to slit the glass into side glass and main glass, the side roller may be arranged to collect the side glass, the main roller may be arranged to collect the main glass, and a width of the side glass in a second direction perpendicular to the first direction may be less than a width of the side roller in the second direction.

[0024] In an embodiment, the glass cutting apparatus may further comprise a glass controller located between the glass supply roller and the glass slitting assembly, the glass may comprise a first side and a second side that are opposite to each other in a second direction perpendicular to the first direction, and the glass controller may be configured to measure a position of the first side of the glass and control a position of the glass.

[0025] According to another aspect of the disclosure, a glass cutting apparatus comprises a glass supply roller configured to supply glass to be cut in a first direction, a glass slitting assembly configured to slit the glass supplied from the glass supply roller into a side glass and a main glass, and comprising a support configured to guide the glass moving in the first direction, a mechanical cutter located above the support and configured to form a groove extending in the first direction on an upper surface of the glass, a laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, and a cooler located above the support and located in a line in the first direction with the mechanical cutter and the laser cutter, a plurality of glass collection rollers spaced apart from the glass supply roller with the glass slitting assembly therebetween, and comprising a side roller configured to collect the side glass from the glass slitting assembly and a main roller configured to collect the main glass from the glass slitting assembly, and a plurality of tilting members located between the glass slitting assembly and the plurality of glass collection rollers, and comprising a first side tilting member configured to guide the side glass moving from the glass slitting assembly to the side roller, and a main tilting member configured to guide the main glass moving from the glass slitting assembly to the main roller, and the mechanical cutter, the laser cutter, and the cooler are located so that the glass sequentially passes through the mechanical cutter, the laser cutter, and the cooler in the glass slitting assembly.

[0026] In an embodiment, vertical levels at both ends of the first side tilting member, which are opposite to each other in a second direction perpendicular to the first direction, may be different from each other, vertical levels at both ends of the mainSP25-050 tilting member, which are opposite to each other in the second direction, may be the same, and the vertical level of one end adjacent to the main tilting member among the both ends of the first side tilting member may be higher than the vertical level of the other end among the both ends of the first side tilting member.

[0027] In an embodiment, a depth of the groove formed by the mechanical cutter in the glass may be 5 % to 15 % of a thickness of the glass, the laser cutter may be configured to heat inside of the glass located in a lower portion of the groove, and the cooler may be configured to cool the inside of the glass located in the lower portion of the groove.BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and other aspects, features, and advantages of certain embodiments of the disclosure will be more apparent from the following description taken in conjunction with the accompanying drawings, in which:

[0029] FIG. 1 is a front view schematically showing a glass cutting apparatus according to an embodiment;

[0030] FIG. 2 is a plan view schematically showing a glass cutting apparatus according to an embodiment;

[0031] FIG. 3 is a plan view schematically showing glass to be cut in a glass cutting apparatus according to an embodiment;

[0032] FIG. 4 is a front view schematically showing a part of a glass slitting assembly of a glass cutting apparatus according to an embodiment;

[0033] FIG. 5 is a cross-sectional view schematically showing the glass cutting apparatus of FIG. 2 taken along line C1-CT of FIG. 2;

[0034] FIG. 6 is a cross-sectional view schematically showing the glass cutting apparatus of FIG. 2 taken along line C2-C2' of FIG. 2;

[0035] FIG. 7 is a cross-sectional view schematically showing the glass cutting apparatus of FIG. 2 taken along line 03-03' of FIG. 2;

[0036] FIG. 8 is a side view schematically showing the glass cutting apparatus of FIG.2 taken along line S1-ST of FIG. 2;

[0037] FIG. 9 is a side view schematically showing the glass cutting apparatus of FIG.2 taken along line S2-S2' of FIG. 2; and

[0038] FIG. 10 is a plan view schematically showing a glass cutting apparatus according to an embodiment.SP25-050DETAILED DESCRIPTION

[0039] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout. In this regard, the present embodiments may have different forms and should not be construed as being limited to the descriptions set forth herein. Accordingly, the embodiments are merely described below, by referring to the figures, to explain aspects of the present description. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Expressions such as "at least one of," when preceding a list of elements, modify the entire list of elements and do not modify the individual elements of the list.

[0040] The embodiments may be changed in various ways and have various forms, and thus some embodiments will be described in detail and illustrated in the drawings. However, this is not intended to limit the embodiments to specific disclosure forms.

[0041] FIG. 1 is a front view schematically showing a glass cutting apparatus 1000 according to an embodiment. FIG. 2 is a plan view schematically showing the glass cutting apparatus 1000 according to an embodiment. FIG. 3 is a plan view schematically showing glass GR to be cut in the glass cutting apparatus 1000 according to an embodiment.

[0042] Referring to FIGS. 1 to 3, the glass cutting apparatus 1000 may comprise a glass supply roller 200, a glass slitting assembly 100, and a plurality of glass collection rollers 300. The glass cutting apparatus 1000 may be a roll-to-roll apparatus in which the glass GR to be cut is wound on a roller and supplied and collected.

[0043] For example, the glass GR cut by the glass cutting apparatus 1000 may be ultra-thin glass (UTG) having a thickness of less than 0.2 mm in a vertical direction (Z direction). For example, the glass GR may be referred to as a glass web or a glass ribbon.

[0044] Herein, unless specifically defined otherwise, a first horizontal direction (X direction) is defined as a direction parallel to the floor of a space in which the glass cutting apparatus 1000 is installed, the vertical direction (Z direction) is defined as a direction perpendicular to the floor, and a second horizontal direction (Y direction) is defined as a direction perpendicular to the first horizontal direction (X direction) and the vertical direction (Z direction). The horizontal direction is defined as a direction thatSP25-050 is a composite of the first horizontal direction (X direction) and the second horizontal direction (Y direction).

[0045] The glass supply roller 200 may be provided to the glass cutting apparatus 1000 with the glass GR to be cut wound thereon. The plurality of glass collection rollers 300 may proceed to the glass slitting assembly 100 and may be a roller on which slit glass is wound. For example, each of the glass supply roller 200 and the plurality of glass collection rollers 300 may be in a cylindrical shape.

[0046] The plurality of glass collection rollers 300 may be spaced apart from the glass supply roller 200 with the glass slitting assembly 100 arranged therebetween. For example, the glass GR supplied by the glass supply roller 200 in a first direction D1 may be slit while passing through the glass slitting assembly 100 and collected from the glass collection roller 300.

[0047] In some embodiments, the length of the glass supply roller 200 in a major axis direction and the length of each of the plurality of glass collection rollers 300 in the major axis direction may be different from each other. For example, the length of the glass supply roller 200 in the major axis direction may be greater than or equal to the width of the glass GR in a second direction D2. The length of each of the plurality of glass collection rollers 300 in the major axis direction may be less than the width of the glass GR in the second direction D2.

[0048] A direction in which the glass GR passes through the glass slitting assembly 100 from the glass supply roller 200 and proceeds to the glass collection roller 300 may be referred to as the first direction D1. The second direction D2 may be perpendicular to the first direction D1 in which the glass GR moves. For example, the first direction D1 and the second direction D2 may vary depending on the position of the glass GR. For example, the first direction D1 in a part of the glass GR located on a support 140 of the glass slitting assembly 100 and the first direction D1 in a part of the glass GR located on the glass collection roller 300 may be different from each other.

[0049] For example, the first direction D1 of the glass GR on the support 140 may be different from a first direction D1s of side glass SG on a side tilting member 410 and a first direction Dim of main glass MG on a main tilting member 420. The second direction D2 of the glass GR on the support 140 may be different from a second direction D2s of the side glass SG on the side tilting member 410 and a second direction D2m of the main glass MG on the main tilting member 420.SP25-050

[0050] Referring to FIG. 3, the glass GR may comprise a front end GR_F and a back end GR_B facing each other in the first direction D1. The glass GR may comprise a first side GR_S1 and a second side GR_S2 facing each other in the second direction D2. For example, a process of cutting the glass GR long in the first direction D1 may be referred to as a slitting process of the glass GR. For example, through the slitting process of glass GR, the glass GR may be separated into the side glass SG and the main glass MG each having a designed width in the second direction D2.

[0051] In some embodiments, a front end protective film GR_FF may be attached to the front end GR_F of the glass GR, and a back end protective film GR_BF may be attached to the back end GR_B of the glass GR. Each of the front end protective film GR_FF and the back end protective film GR_BF may have a thickness thinner than that of the glass GR. The width of the front end protective film GR_FF and the width of the back end protective film GR_BF may be the same as the width of the glass GR.

[0052] The front end protective film GR_FF may precede the glass GR and be guided to the glass collection roller 300, and may prioritize the glass GR and be collected by the glass collection roller 300. The front end GR_F of the glass GR may receive tension toward the glass collection roller 300 through the front end protective film GR_FF.

[0053] The back end protective film GR_BF follows the glass GR, and thus a part of the back end protective film GR_BF may be wound on the glass supply roller 200 until the glass GR is completely transported to the glass collection roller 300. Accordingly, the back end GR_B of the glass GR may receive tension toward the glass supply roller 200 through the back end protective film GR_BF.

[0054] Through the front end protective film GR_FF and the back end protective film GR_BF, each of the front end GR_F and the back end GR_B of the glass GR may continuously receive tension in the first direction D1. The front end protective film GR_FF and the back end protective film GR_BF may suppress breakage of the front end GR_F and the back end GR_B of the glass GR that occurs in a start state and an end stage of the cutting process of the glass GR.

[0055] For example, each of the front end protective film GR_FF and the back end protective film GR_BF may comprise at least one of polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyvinyl butyral (PVB), triacetyl cellulose (TAC), of polyimide (PI).SP25-050

[0056] Referring back to FIGS. 1 and 2, the glass slitting assembly 100 may slit the glass GR into the main glass MG and the side glass SG. For example, the side glass SG may be a portion of the glass GR cut to a width requested by a customer, and the main glass MG may be the other portion. For example, the main glass MG may be used again later, and the side glass SG may be sold to the customer.

[0057] For example, the side glass SG may comprise a second side GR_S2 of the glass GR, and the main glass MG may comprise a first side GR_S1 of the glass GR. For example, the glass slitting assembly 100 may separate the glass GR into two by forming a groove Gv facing from an upper surface GR_U (see FIG. 4) of the glass GR to a lower surface GR_B (see FIG. 4) and extending long in the first direction D1.

[0058] The number of glass collection rollers 300 may correspond to the number of slit glass. The plurality of glass collection rollers 300 may comprise a side roller 301 and a main roller 302. The side roller 301 may be arranged to collect the side glass SG, and the main roller 302 may be arranged to collect the main glass MG.

[0059] In some embodiments, the width of the side roller 301, that is, the length of the side roller 301 in the major axis direction, may be greater than the width of the side glass SG. Breakage of the side glass SG may be suppressed through the side roller 301 having the width greater than that of the side glass SG.

[0060] In some embodiments, the side roller 301 and the main roller 302 may have different vertical levels. For example, a vertical level of the side roller 301 may be lower than a vertical level of the main roller 302. For example, there may be a difference in a vertical level between the side roller 301 and the main roller 302 in order to prevent a collision between the side glass SG collected from the side roller 301 and the main glass MG collected from the main roller 302. Herein, the vertical level means a distance spaced apart from the floor on which the glass cutting apparatus 1000 is installed in the vertical direction (Z direction).

[0061] The glass cutting apparatus 1000 may further comprise a glass controller GO. The glass controller GO may be located between the glass supply roller 200 and the glass slitting assembly 100. The glass controller GO may measure the position of one of the first side GR_S1 and the second side GR_S2 of the glass supply roller 200. The glass controller GO may adjust the position of the glass GR in the second direction D2 based on the measured position of one side of the glass GR.

[0062] In some embodiments, the glass controller GO may comprise a control member GC_R and a measurement member GC_S. The control member GC_R may be in aSP25-050 roller shape, and the measurement member GC_S may be an optical sensor measuring the position of the first side GR_S1 of the glass GR located on the control member GC_R. For example, the position of the glass GR may be controlled by adjusting the position of the control member GC_R in the second direction D2.

[0063] In some embodiments, the glass controller GO may control the shaking of the glass GR before the glass GR flows into the glass slitting assembly 100 to suppress breakage of the glass GR.

[0064] In some embodiments, the glass controller GO may control the position of the glass GR to reduce an error in the width of the side glass SG. Accordingly, the glass controller GO may improve the cutting quality of the glass cutting apparatus 1000.

[0065] The glass slitting assembly 100 may comprise the support 140, a mechanical cutter 110, and a laser cutter 120. In some embodiments, the glass slitting assembly 100 may further comprise a cooler 130.

[0066] The support 140 may guide the glass GR to move in the first direction D1. For example, the support 140 may guide the glass GR from the glass supply roller 200 to the plurality of glass collection rollers 300.

[0067] In some embodiments, an upper surface of the support 140 may be a flat surface or a curved surface. For example, air may be sprayed from the upper surface of the support 140 to form an air cushion between the support 140 and the glass GR so that there is no damage or contamination to the glass GR. Alternatively, the upper surface of the support 140 may be a low-friction surface.

[0068] For example, the glass GR may pass through the mechanical cutter 110 and the laser cutter 120 while passing through the support 140. That is, the support 140 may support a lower surface of the glass GR while the glass GR is slitting.

[0069] The mechanical cutter 110 may be located above the support 140. The mechanical cutter 110 may be in physical contact with the upper surface of the glass GR to form the groove Gv on the upper surface of the glass GR. The glass GR may be in contact with the mechanical cutter 110 and move in the first direction D1 relative to the mechanical cutter 110, such that the groove Gv may be formed in a part of the upper surface of the glass GR in contact with the mechanical cutter 110. For example, while the glass GR moves in the first direction D1, the mechanical cutter 110 continuously contacts the upper surface of the glass GR, and the groove Gv extending in the first direction D1 may be formed on the upper surface of the glass GR.SP25-050

[0070] In some embodiments, the mechanical cutter 110 may move in the vertical direction (Z direction). For example, the vertical level of the mechanical cutter 110 may be adjusted through a lifting member attached to the upper portion of the mechanical cutter 110. The mechanical cutter 110 may be moved in the vertical direction (Z direction) to adjust the depth of the groove Gv.

[0071] In some embodiments, the glass slitting assembly 100 may further comprise a first rail 110_R and a first driver 110_D. The first rail 110_R may be located above the support 140 and extend long in the second direction D2. The first driver 110_D may be attached to the mechanical cutter 110 and move along the first rail 110_R. For example, the mechanical cutter 110 may move in the second direction D2 along the first rail 110_R extending in the second direction D2 by the first driver 110_D.

[0072] The laser cutter 120 may be located above the support 140. The laser cutter 120 may irradiate light onto the upper surface of the glass GR. The laser cutter 120 may be spaced apart from the upper surface of the glass GR and irradiate light to the glass GR to heat the glass GR. As the volume of the glass GR heated by the laser cutter 120 expands, the groove Gv formed in the upper surface of the glass GR may extend in the vertical direction (Z direction).

[0073] The laser cutter 120 may be arranged in a line with the mechanical cutter 110 in the first direction D1. A distance between the laser cutter 120 and the second side GR_S2 of the glass GR may be substantially the same as a distance between the mechanical cutter 110 and the second side GR_S2 of the glass GR.

[0074] The laser cutter 120 may be arranged to allow the glass GR to pass through the laser cutter 120 after passing through the mechanical cutter 110. For example, the laser cutter 120 may be located behind the mechanical cutter 110 with respect to the traveling direction of the glass GR. For example, the laser cutter 120 may irradiate light to the groove Gv formed on the upper surface of the glass GR by the mechanical cutter 110.

[0075] The groove Gv formed by the mechanical cutter 110 on the upper surface of the glass GR may become a start point of slitting, and the laser cutter 120 may heat the periphery of the groove Gv, so that the groove Gv may extend in the vertical direction (Z direction).

[0076] In some embodiments, the glass slitting assembly 100 may further comprise a second rail 120_R and a second driver 120_D. The second rail 120_R may be located above the support 140 and extend long in the second direction D2. The second railSP25-050 120_R may be spaced apart from the first rail 110_R in the first direction D1. The second driver 120_D may be attached to the laser cutter 120 and move along the second rail 120_R. For example, the laser cutter 120 may move in the second direction D2 along the first rail 110_R extending in the second direction D2 by the second driver 120_D.

[0077] The cooler 130 may be located above the support 140 and spray air onto the upper surface of the glass GR. The cooler 130 may cool the glass GR whose temperature has risen by the laser cutter 120. The cooler 130 may reduce the volume of the glass GR to extend the groove Gv formed on the upper surface of the glass GR in the vertical direction (Z direction).

[0078] For example, as the volume of the glass GR changes by the laser cutter 120 and the cooler 130, the groove Gv of the glass GR may gradually extend in the vertical direction (Z direction).

[0079] The cooler 130 may be arranged in a line with the mechanical cutter 110 and the laser cutter 120 in the first direction D1. For example, a distance between the cooler 130 and the second side GR_S2 of the glass GR may be the same as a distance between the mechanical cutter 110 and the second side GR_S2 of the glass GR.

[0080] The mechanical cutter 110, the laser cutter 120, and the cooler 130 may be arranged so that the glass GR may sequentially pass through the mechanical cutter 110, the laser cutter 120, and the cooler 130. For example, the cooler 130 may be located behind the laser cutter 120 with respect to the traveling direction of the glass GR.

[0081] For example, the glass GR may pass through the mechanical cutter 110, and the groove Gv may be formed on the upper surface thereof. Thereafter, the glass GR may pass through the laser cutter 120, and the temperature in the periphery of the groove Gv may be increased. Thereafter, the glass GR may pass through the cooler 130, and the temperature in the periphery of the groove Gv may be lowered.

[0082] In some embodiments, the glass slitting assembly 100 may further comprise a third rail 130_R and a third driver 130_D. The third rail 130_R is located above the support 140 and extend long in the second direction D2. The third rail 130_R may be spaced apart from the first rail 110_R and the second rail 120_R in the first direction D1. The second rail 120_R may be located between the first rail 110_R and the third rail 130_R. The third driver 130_D may be attached to the cooler 130 and move along the third rail 130_R. For example, the laser cutter 120 may move in the secondSP25-050 direction D2 along the first rail 110_R extending in the second direction D2 by the second driver 120_D.

[0083] An operation in which the glass slitting assembly 100 slits the glass GR will be described below with reference to FIGS. 4 to 7.

[0084] The glass slitting assembly 100 may further comprise a controller 150. The controller 150 may be connected to the first driver 110_D, the second driver 120_D, and the third driver 130_D by wired or wirelessly. The controller 150 may control the positions of the first driver 110_D, the second driver 120_D, and the third driver 130_D. For example, the positions of the mechanical cutter 110, the laser cutter 120, and the cooler 130 may be adjusted through the controller 150. The cutting quality of the glass GR may be improved by aligning the mechanical cutter 110, the laser cutter 120, and the cooler 130 through the controller 150.

[0085] For example, the controller 150 may control the positions of the mechanical cutter 110, the laser cutter 120, and the cooler 130 so that the mechanical cutter 110, the laser cutter 120, and the cooler 130 are arranged in a line in the first direction D1. For example, the controller 150 may control the position of the laser cutter 120 so that the laser cutter 120 irradiates light to the groove Gv formed by the mechanical cutter 110. In some embodiments, instead of the controller 150, the glass slitting assembly 100 may comprise an alignment frame (not shown) in which the mechanical cutter 110, the laser cutter 120, and the cooler 130 are installed and extend in the first direction D1. For example, the mechanical cutter 110, the laser cutter 120, and the cooler 130 attached to the alignment frame may always be aligned in the first direction D1.

[0086] A plurality of tilting members 400 may be located between the glass slitting assembly 100 and the plurality of glass collection rollers 300. The plurality of tilting members 400 may guide the glass GR from the glass slitting assembly 100 to a plurality of rotation rollers. For example, the plurality of tilting members 400 may help completely separate the glass GR slit by the glass slitting assembly 100.

[0087] In some embodiments, each of the plurality of tilting members 400 may be a flat surface or a curved surface. For example, air may be sprayed from an upper surface of each of the plurality of tilting members 400 to form an air cushion between each of the plurality of tilting members 400 and the glass GR so that there is no damage or contamination to the glass GR. Alternatively, the upper surface of each of the plurality of tilting members 400 may be a low-friction surface.SP25-050

[0088] In some embodiments, each of the plurality of tilting members 400 may be in a cylindrical shape. In some embodiments, the plurality of tilting members 400 may have different lengths in the major axis direction. The major axis direction of each of the plurality of tilting members 400 may be the same as the second direction D2. In some embodiments, vertical levels of the plurality of tilting members 400 may be different from each other. For example, the plurality of tilting members 400 may be appropriately arranged to prevent collision between the side glass SG and the main glass MG.

[0089] The plurality of tilting members 400 may respectively correspond to the plurality of glass collection rollers 300. The plurality of tilting members 400 may comprise a side tilting member 410 and a main tilting member 420. The side tilting member 410 may correspond to the side roller 301, and the main tilting member 420 may correspond to the main roller 302.

[0090] The glass GR may slit into the side glass SG and the main glass MG by the glass slitting assembly 100, the side glass SG may be guided to the side roller 301 through the side tilting member 410, and the main glass MG may be guided to the main roller 302 through the main tilting member 420. The side glass SG and the main glass MG have respectively different movement directions by the side tilting member 410 and the main tilting member 420, so that the side glass SG and the main glass MG may be completely separated.

[0091] The side tilting member 410 may comprise a first side tilting member 411 and a second side tilting member 412. The main tilting member 420 may comprise a first main tilting member 421 and a second main tilting member 422. However, the disclosure is not limited thereto, and each of the side tilting member 410 and the main tilting member 420 may comprise one or more tilting members.

[0092] In some embodiments, the first side tilting member 411 may be closer to the support 140 than the second side tilting member 412. The first main tilting member 421 may be closer to the support 140 than the second main tilting member 422. In some embodiments, the second side tilting member 412 may be located between the first side tilting member 411 and the side roller 301, and the second main tilting member 422 may be located between the first main tilting member 421 and the main roller 302.

[0093] The plurality of tilting members 400 will be described below with reference to FIGS. 8 and 9.SP25-050

[0094] FIG. 4 is a front view schematically showing a part of the glass slitting assembly 100 of the glass cutting apparatus 1000 according to an embodiment. FIG. 5 is a cross-sectional view schematically showing the glass cutting apparatus 1000 of FIG. 2 taken along line 01-01' of FIG. 2. FIG. 6 is a cross-sectional view schematically showing the glass cutting apparatus 1000 of FIG. 2 taken along line 02-02' of FIG. 2. FIG. 7 is a cross-sectional view schematically showing the glass cutting apparatus 1000 of FIG.2 taken along line 03-03' of FIG. 2.

[0095] Specifically, FIGS. 5 to 7 sequentially show a process of forming the groove Gv extending from the upper surface GR_U of the glass GR to the lower surface GR_L of the glass GR to slit the glass GR of the glass slitting assembly 100.

[0096] Referring to FIGS. 4 to 7 together with FIG. 2, the glass GR may be slit by the mechanical cutter 110, the laser cutter 120, and the cooler 130 while moving in the first direction D1 on an upper surface of the support 140.

[0097] For example, while the glass GR introduced into the support 140 is in physical contact with the mechanical cutter 110, the groove Gv extending inward from the upper surface GR_U of the glass GR may be formed in the upper surface GR_U of the glass GR. The glass GR may pass through the mechanical cutter 110 before passing through the laser cutter 120 and the cooler 130, so that light L of the laser cutter 120 and air A of the cooler 130 may be irradiated and sprayed onto the glass GR in which the groove Gv is formed.

[0098] The laser cutter 120 and the cooler 130 may extend the groove Gv formed by the mechanical cutter 110 in a third direction D_Gv, which is a direction from the upper surface GR_U of the glass GR toward the lower surface GR_L of the glass GR. For example, the mechanical cutter 110 may form the groove Gv extending in the first direction D1 on the upper surface GR_U of the glass GR, and the laser cutter 120 and the cooler 130 may extend the groove Gv in the third direction D_Gv.

[0099] Referring to FIGS. 4 and 5, the mechanical cutter 110 may comprise a blade 110_B. The blade 110_B of the mechanical cutter 110 may be in the shape of a circular saw. For example, the blade 110_B may comprise a plurality of teeth. However, the disclosure is not limited thereto, and the blade 110_B may be in the shape of a single tip comprising only one tooth.

[0100] In some embodiments, the blade 110_B may be arranged to rotate in the second direction D2 (see FIG. 1) as a rotation axis. Each of the plurality of teeth of the blade 110_B may have a first angle Ag_B between sides thereof. For example, theSP25-050 first angle Ag_B may range from 10 degrees to 30 degrees. For example, the blade 110_B may comprise 100 to 360 teeth. For example, as the blade 110_B rotates, the plurality of teeth of the blade 110_B may form the groove Gv in the upper surface GR_U of the glass GR. For example, in the case of the blade 110_B in the shape of the circular saw, the groove Gv formed on the upper surface GR_U of the glass GR may be in the shape of a dotted line extending in the first direction D1.

[0101] In some embodiments, a depth T_Gv of the groove Gv may be less than a thickness T_GR of the glass GR. For example, the depth T_Gv of the groove Gv may be 5 % to 15 of the thickness T_GR of the glass GR. Herein, the depth T_Gv of the groove Gv may mean a length of the groove Gv formed by the mechanical cutter 110 in the vertical direction (Z direction).

[0102] Referring to FIGS. 4 and 6, the laser cutter 120 may heat the glass GR by irradiating the light L to the groove Gv of the glass GR passing through the mechanical cutter 110.

[0103] For example, the laser cutter 120 may heat a part of the glass GR by irradiating the light L to the upper surface GR_U of the glass GR. For example, the groove Gv of the glass GR may be comprised in a region in which the laser cutter 120 irradiates the light L. Accordingly, the groove Gv may be comprised in a heating area HA in which the laser cutter 120 heats the glass GR.

[0104] The volume of the glass GR may expand in the heating area HA, and the groove Gv formed in the glass GR may increase due to a volume difference of the glass GR in the heating area HA and the remaining region. For example, the groove Gv may extend in the third direction D_Gv.

[0105] For example, the laser cutter 120 extends the groove Gv in the third direction D_Gv in a non-contact manner, and thus the cutting quality of a part of the groove Gv extending by the laser cutter 120 may be relatively high.

[0106] In some embodiments, an output of the laser cutter 120 may be 10 W to 30 W. In some embodiments, a width W_L of the light L emitted by the laser cutter 120 in the second direction D2 (see FIG. 1) may be greater than a width W_Gv of the groove Gv. For example, the width W_L of the light L emitted by the laser cutter 120 in the upper surface GR_U of the glass GR may be greater than the width W_Gv of the groove Gv in the upper surface GR_U of the glass GR.

[0107] Referring to FIGS. 4 and 7, the cooler 130 may spray the air A to the heating area HA of the glass GR.SP25-050

[0108] For example, the cooler 130 may cool a part of the glass GR by spraying the air A to the glass GR. For example, the heating area HA may be comprised in a cooling area CA in which the cooler 130 cools the glass GR. For example, the groove Gv may be comprised in the cooling area CA.

[0109] The volume of the glass GR in the cooling area CA may decrease, and the groove Gv may extend in the third direction D_Gv by the volume change of the glass GR. For example, a process of heating the same part of the glass GR with the laser cutter 120 and cooling the part with the cooler 130 may cause a rapid volume change of the glass GR. Accordingly, the groove Gv may extend in the third direction D_Gv.

[0110] In some embodiments, the glass slitting assembly 100 may slit the glass GR by extending the groove Gv to the lower surface GR_L of the glass GR by only the laser cutter 120 without the cooler 130.

[0111] FIG. 8 is a side view schematically showing the glass cutting apparatus 1000 of FIG. 2 taken along line S1-ST of FIG. 2. FIG. 9 is a side view schematically showing the glass cutting apparatus 1000 of FIG. 2 taken along line S2-S2' of FIG. 2.

[0112] Referring to FIGS. 8 and 9, inclination of the plurality of tilting members 400 will be described.

[0113] Referring to FIGS. 2 and 8, the plurality of tilting members 400 may comprise the side tilting member 410 and the main tilting member 420. The side tilting member 410 may comprise the first side tilting member 411 and the second side tilting member 412. The main tilting member 420 may comprise the first main tilting member 421 and the second main tilting member 422.

[0114] FIG. 8 shows the first side tilting member 411 guiding the side glass SG and the first main tilting member 421 guiding the main glass MG viewed from a Y-Z plane view.

[0115] The first side tilting member 411 may comprise a first end 411_S1 and a second end 411_S2 that are opposite to each other in the major axis direction of the first side tilting member 411. A vertical level of the first end 411_S1 of the first side tilting member 411 and a vertical level of the second end 411_S2 of the first side tilting member 411 may be different from each other.

[0116] For example, the major axis direction of the first side tilting member 411 may be inclined in the vertical direction (Z direction) with respect to the second horizontal direction (Y direction). The major axis direction of the first side tilting member 411 andSP25-050 the second horizontal direction (Y direction) may form a second angle Ag_411. In some embodiments, the second angle Ag_411 may be 8 degrees to 15 degrees.

[0117] The first main tilting member 421 may comprise a first end 421_S1 and a second end 421_S2 that are opposite to each other in the major axis direction of the first main tilting member 421. A vertical level of the first end 421_S1 of the first main tilting member 421 and a vertical level of the second end 421_S2 of the first main tilting member 421 may be the same.

[0118] For example, the major axis direction of the first main tilting member 421 may be parallel to the second horizontal direction (Y direction). The major axis direction of the first main tilting member 421 and the major axis direction of the first side tilting member 411 may be different from each other.

[0119] In some embodiments, a separation distance between the first end 411_S1 of the first side tilting member 411 and the first main tilting member 421 may be shorter than a separation distance between the second end 411_S2 of the first side tilting member 411 and the first main tilting member 421.

[0120] In some embodiments, a separation distance between the second end 421_S2 of the first main tilting member 421 and the first side tilting member 411 may be shorter than a separation distance between the first end 421_S1 of the first main tilting member 421 and the first side tilting member 411.

[0121] In some embodiments, a vertical level of the first end 411_S1 of the first side tilting member 411 may be higher than a vertical level of the second end 411_S2 of the first side tilting member 411. The vertical level of the first end 411_S1 of the first side tilting member 411 may be the same as a vertical level of the second end 421_S2 of the first main tilting member 421.

[0122] In some embodiments, unlike shown in FIG. 9, the vertical level of the first end 421_S1 of the first main tilting member 421 may be lower than the vertical level of the second end 421_S2 of the first main tilting member 421. For example, the first main tilting member 421 and the first side tilting member 411 may be symmetrical with respect to the X-Z plane.

[0123] In some embodiments, when passing from the glass supply roller 200 to the glass slitting assembly 100, the second direction D2 of the glass GR may be parallel to the second horizontal direction (Y direction). The side glass SG slit in the glass slitting assembly 100 may be gradually inclined in a second direction D2s while guided to the inclined first side tilting member 411. While the main glass MG slit in the glassSP25-050 slitting assembly 100 may be guided to the first main tilting member 421, the main glass MG may have no change in a second direction D2m.

[0124] For example, the second direction D2m of the main glass MG may be parallel to the second horizontal direction (Y direction). The second direction D2s of the side glass SG may not be parallel to the second horizontal direction (Y direction). For example, the second direction D2s of the side glass SG on the first side tilting member 411 may be the same as the major axis direction of the first side tilting member 411. The second direction D2m of the main glass MG on the first main tilting member 421 may be the same as the major axis direction of the first main tilting member 421.

[0125] For example, the side glass SG may be inclined to correspond to an inclination of the first side tilting member 411. The main glass MG may move to the first main tilting member 421 while the second direction D2m of the main glass MG is parallel to the second horizontal direction (Y direction).

[0126] Referring to FIG. 7 together, the groove Gv may extend in the third direction D_Gv so that the glass GR may be slit to the side glass SG and the main glass MG. The side glass SG and the main glass MG may be withdrawn from the glass slitting assembly 100 while divided by a thin gap. The side glass SG withdrawn from the glass slitting assembly 100 may be gradually inclined and guided to the first side tilting member 411, and the main glass MG may be guided to the first main tilting member 421 without a change in the second direction D2. Accordingly, a separation distance between the main glass MG and the side glass SG may be increased.

[0127] Glasses slit in the glass slitting assembly 100 may be completely separated by the plurality of tilting members 400 in a process of being collected by the glass collection roller 300 because of different inclinations of the plurality of tilting members 400, thereby reducing breakage of the slit glasses.

[0128] Referring to FIGS. 2 and 9, the second side tilting member 412 may comprise a first end 412_S1 and a second end 412_S2 that are opposite to each other in the major axis direction of the second side tilting member 412.

[0129] In some embodiments, a vertical level of the first end 412_S1 of the second side tilting member 412 may be the same as a vertical level of the second end 412_S2 of the second side tilting member 412. For example, the major axis direction of the second side tilting member 412 may be parallel to the second horizontal direction (Y direction). In some embodiments, a vertical level of the second side tilting member 412 may be lower than a vertical level of the first side tilting member 411.SP25-050

[0130] For example, while the side glass SG moves from the first side tilting member 411 to the second side tilting member 412, the second direction D2s of the side glass SG may change gradually. For example, the second direction D2s of the side glass SG on the second side tilting member 412 may be the same as the second horizontal direction (Y direction).

[0131] For example, the second direction D2s of the side glass SG may be parallel to the second horizontal direction (Y direction), which may suppress the phenomenon in which the side glass SG slides by gravity, thereby preventing breakage of the side glass SG.

[0132] FIG. 10 is a plan view schematically showing a glass cutting apparatus 1000a according to an embodiment.

[0133] Most of components constituting the glass cutting apparatus 1000a of FIG. 10 described below and materials constituting the components are substantially the same as or similar to those described above with reference to FIG. 2. Therefore, for convenience of explanation, the differences between the glass cutting apparatus 1000a of FIG. 10 and the glass cutting apparatus 1000 described above will be mainly described.

[0134] Referring to FIG. 10, the glass cutting apparatus 1000a may comprise the glass supply roller 200, a glass slitting assembly 100a, and the plurality of glass collection rollers 300. The glass cutting apparatus 1000a may cut the glass GR into a plurality of glasses, and thus the speed of cutting the glass GR may be improved.

[0135] The glass slitting assembly 100a may comprise the support 140, a plurality of mechanical cutters 110a, a plurality of laser cutters 120a, and a plurality of coolers 130a. The glass slitting assembly 100a may form two or more grooves in an upper surface of the glass GR. For example, the glass slitting assembly 100a may slit the glass GRs into three or more glasses.

[0136] Hereinafter, for convenience of explanation, an example in which the glass slitting assembly 100a slits the glass GR into first side glass SG_1, second side glass SG_2, and the main glass MG is described, but the number of times the glass slitting assembly 100a slits the glass GR is not limited thereto.

[0137] The number of the plurality of glass collection rollers 300 may correspond to the number of glasses slits in the glass slitting assembly 100a. For example, the plurality of glass collection rollers 300 may comprise the side roller 301 arranged to collect the first side glass SG_1, a second side roller 303 arranged to collect theSP25-050 second side glass SG_2, and the main roller 302 arranged to collect the main glass MG.

[0138] The plurality of mechanical cutters 110a may comprise a first mechanical cutter 111 and a second mechanical cutter 112 spaced apart from the first mechanical cutter 111 in the second direction D2. The plurality of laser cutters 120a may comprise a first laser cutter 121 and a second laser cutter 122 spaced apart from the first laser cutter 121 in the second direction D2. The plurality of coolers 130a may comprise a first cooler 131 and a second cooler 132 spaced apart from the first cooler 131 in the second direction D2.

[0139] In some embodiments, the first mechanical cutter 111, the first laser cutter 121, and the first cooler 131 may be arranged in a line in the first direction D1. A distance between the first mechanical cutter 111 and the second side GR_S2 of the glass GR, a distance between the first laser cutter 121 and the second side GR_S2 of the glass GR, and a distance between the first cooler 131 and the second side GR_S2 of the glass GR may be the same.

[0140] The first mechanical cutter 111 may form a first groove Gv_1 in the upper surface of the glass GR. The first laser cutter 121 may irradiate light to the first groove Gv_1 of the glass GR, the first cooler 131 may spray air to the first groove Gv_1 of the glass GR, and the first laser cutter 121 and the first cooler 131 may extend the first groove Gv_1 to a lower surface of the glass GR.

[0141] In some embodiments, the second mechanical cutter 112, the second laser cutter 122, and the second cooler 132 may be arranged in a line in the first direction D1. A distance between the second mechanical cutter 112 and the first side GR_S1 of the glass GR, a distance between the second laser cutter 122 and the first side GR_S1 of the glass GR, and a distance between the second cooler 132 and the first side GR_S1 of the glass GR may be the same.

[0142] The second mechanical cutter 112 may form a second groove Gv_2 in the upper surface of the glass GR. The second laser cutter 122 may irradiate light to the second groove Gv_2 of the glass GR, the second cooler 132 may spray air to the second groove Gv_2 of the glass GR, and the second laser cutter 122 and the second cooler 132 may extend the second groove Gv_2 to the lower surface of the glass GR.

[0143] In some embodiments, each of the first mechanical cutter 111 and the second mechanical cutter 112 may move in the second direction D2 along the first rail 110_R. Each of the first laser cutter 121 and the second laser cutter 122 may move in theSP25-050 second direction D2 along the second rail 120_R. Each of the first cooler 131 and the second cooler 132 may move in the second direction D2 along the third rail 130_R.

[0144] In some embodiments, the controller 150 may control the positions of the first mechanical cutter 111, the first laser cutter 121, and the first cooler 131 so that the first mechanical cutter 111, the first laser cutter 121, and the first cooler 131 are arranged in a line in the first direction D1. The controller 150 may control the positions of the second mechanical cutter 112, the second laser cutter 122, and the second cooler 132 so that the second mechanical cutter 112, the second laser cutter 122, and the second cooler 132 are arranged in a line in the first direction D1.

[0145] In some embodiments, the first side glass SG_1 may comprise the second side GR_S2 of the glass GR, and the second side glass SG_2 may comprise the first side GR_S1 of the glass GR. The main glass MG may be located between the first side glass SG_1 and the second side glass SG_2. For example, the positions of the plurality of mechanical cutters 110a, the plurality of laser cutters 120a, and the plurality of coolers 130a may be adjusted so that each of the first side glass SG_1 and the second side glass SG_2 has a designed width.

[0146] The plurality of tilting members 400a may comprise a first sub-side tilting member 410a, a second sub-side tilting member 430a, and the main tilting member 420.

[0147] The first sub-side tilting member 410a may comprise the first side tilting member 411 and the second side tilting member 412. The first side tilting member 411 and the second side tilting member 412 may guide the first side glass SG_1 to the side roller 301.

[0148] The second sub-side tilting member 430a may comprise a third side tilting member 431 and a fourth side tilting member 432. The third side tilting member 431 and the fourth side tilting member 432 may guide the second side glass SG_2 to the second side roller 303.

[0149] The main tilting member 420 may comprise the first main tilting member 421 and the second main tilting member 422. The first main tilting member 421 and the second main tilting member 422 may guide the main glass MG to the main roller 302.

[0150] In some embodiments, the first side tilting member 411 and the third side tilting member 431 may be inclined. For example, the major axis direction of the first side tilting member 411 may be inclined in the vertical direction (Z direction) with respect to the second horizontal direction (Y direction). The major axis direction of the thirdSP25-050 side tilting member 431 may be inclined in the vertical direction (Z direction) with respect to the second horizontal direction (Y direction).

[0151] In some embodiments, the first side tilting member 411 may be inclined such that one end adjacent to the first main tilting member 421 is higher than the other end. The third side tilting member 431 may be inclined such that one end adjacent to the first main tilting member 421 is higher than the other end. For example, the first side tilting member 411 and the third side tilting member 431 may be symmetrical with respect to the X-Z plane.

[0152] It should be understood that embodiments described herein should be considered in a descriptive sense only and not for purposes of limitation. Descriptions of features or aspects within each embodiment should typically be considered as available for other similar features or aspects in other embodiments. While one or more embodiments have been described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the following claims.

Claims

SP25-050 WHAT IS CLAIMED IS:

1. A glass slitting assembly comprising:a support configured to guide glass moving in a first direction;a mechanical cutter located above the support and configured to form a groove extending in the first direction on an upper surface of the glass; anda laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass,wherein the mechanical cutter and the laser cutter are located so that the glass passes through the laser cutter after passing through the mechanical cutter.

2. The glass slitting assembly of claim 1 , wherein, while the glass moves in the first direction on the upper portion of the support, the mechanical cutter is configured to be in continuous contact with the upper surface of the glass.

3. The glass slitting assembly of claim 1, further comprising: a controller configured to control a position of the laser cutter such that the laser cutter is located to irradiate light to the groove formed by the mechanical cutter on the glass.

4. The glass slitting assembly of claim 1 , wherein a depth of the groove is 5 % to 15 % of a thickness of the glass.

5. The glass slitting assembly of claim 1, wherein an output of the laser cutter is 10 W to 30 W.

6. The glass slitting assembly of claim 1, wherein the mechanical cutter comprises a blade in a shape of a circular saw.

7. The glass slitting assembly of claim 1, further comprising: a cooler located above the support and located in a line in the first direction with the mechanical cutter and the laser cutter,wherein the cooler is located such that the glass passes through the cooler after passing through the laser cutter.SP25-050 8. The glass slitting assembly of claim 1, whereinthe glass slitting assembly comprises a plurality of mechanical cutters, the glass slitting assembly comprises a plurality of laser cutters,the plurality of mechanical cutters are spaced apart from each other in a second direction perpendicular to the first direction, andthe plurality of laser cutters are spaced apart from each other in the second direction.

9. The glass slitting assembly of claim 1, further comprising: driver configured to move the mechanical cutter and the laser cutter in a second direction perpendicular to the first direction.

10. A glass cutting apparatus comprising:a glass supply roller configured to supply glass to be cut in a first direction; a glass slitting assembly configured to slit the glass supplied from the glass supply roller; anda plurality of glass collection rollers spaced apart from the glass supply roller with the glass slitting assembly therebetween, and configured to collect the glass slit by the glass slitting assembly,wherein the glass slitting assembly comprisesa support configured to guide the glass moving in the first direction;a mechanical cutter located above the support and configured to form a groove extending in the first direction on an upper surface of the glass; anda laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, andthe mechanical cutter and the laser cutter are located so that the glass passes through the laser cutter after passing through the mechanical cutter.

11. The glass cutting apparatus of claim 10, further comprising: a plurality of tilting members located between the glass slitting assembly and the plurality of glass collection rollers and configured to guide the glass moving from the glass slitting assembly to the plurality of glass collection rollers,wherein the plurality of tilting members respectively correspond to the plurality of glass collection rollers.SP25-05012. The glass cutting apparatus of claim 11 , whereinthe plurality of glass collection rollers comprise a side roller and a main roller, the plurality of tilting members comprise a first side tilting member corresponding to the side roller and a main tilting member corresponding to the main roller,the first side tilting member has different vertical levels at both ends that are opposite to each other in a major axis direction of the first side tilting member, and the main tilting member has a same vertical level at both ends that are opposite to each other in a major axis direction of the main tilting member.

13. The glass cutting apparatus of claim 12, wherein an inclination of the first side tilting member is 5 degrees to 15 degrees.

14. The glass cutting apparatus of claim 12, wherein a vertical level of the side roller is lower than a vertical level of the main roller.

15. The glass cutting apparatus of claim 12, whereinthe plurality of tilting members further comprise a second side tilting member located between the first side tilting member and the side roller, andthe second side tilting member has a same vertical level at both ends that are opposite to each other in a major axis direction of the second side tilting member.

16. The glass cutting apparatus of claim 12, whereinthe glass slitting assembly is configured to slit the glass into a side glass and a main glass,the side roller is arranged to collect the side glass,the main roller is arranged to collect the main glass, anda width of the side glass in a second direction perpendicular to the first direction is less than a width of the side roller in the second direction.

17. The glass cutting apparatus of claim 11, further comprising: a glass controller located between the glass supply roller and the glass slitting assembly,SP25-050 wherein the glass comprises a first side and a second side that are opposite to each other in a second direction perpendicular to the first direction, andthe glass controller is configured to measure a position of the first side of the glass and control a position of the glass.

18. A glass cutting apparatus comprising:a glass supply roller configured to supply glass to be cut in a first direction; a glass slitting assembly configured to slit the glass supplied from the glass supply roller into a side glass and a main glass, and comprising a support configured to guide the glass moving in the first direction, a mechanical cutter located above the support and configured to form a groove extending in the first direction on an upper surface of the glass, a laser cutter located above the support, arranged in a line with the mechanical cutter in the first direction, and configured to irradiate light to the glass, and a cooler located above the support and located in a line in the first direction with the mechanical cutter and the laser cutter;a plurality of glass collection rollers spaced apart from the glass supply roller with the glass slitting assembly therebetween, and comprising a side roller configured to collect the side glass from the glass slitting assembly and a main roller configured to collect the main glass from the glass slitting assembly; anda plurality of tilting members located between the glass slitting assembly and the plurality of glass collection rollers, and comprising a first side tilting member configured to guide the side glass moving from the glass slitting assembly to the side roller, and a main tilting member configured to guide the main glass moving from the glass slitting assembly to the main roller,wherein the mechanical cutter, the laser cutter, and the cooler are located so that the glass sequentially passes through the mechanical cutter, the laser cutter, and the cooler in the glass slitting assembly.

19. The glass cutting apparatus of claim 18, whereinvertical levels at both ends of the first side tilting member, which are opposite to each other in a second direction perpendicular to the first direction, are different from each other,vertical levels at both ends of the main tilting member, which are opposite to each other in the second direction, are the same, andSP25-050 the vertical level of one end adjacent to the main tilting member among the both ends of the first side tilting member is higher than the vertical level of the other end among the both ends of the first side tilting member.

20. The glass cutting apparatus of claim 18, whereina depth of the groove formed by the mechanical cutter in the glass is 5 % to 15 % of a thickness of the glass,the laser cutter is configured to heat inside of the glass located in a lower portion of the groove, andthe cooler is configured to cool the inside of the glass located in the lower portion of the groove.

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