Glass cutting apparatus, glass-substrate disassembling apparatus, glass-substrate disassembling system, glass cutting method, and glass-substrate disassembling method
First Claim
1. A glass cutting apparatus comprising:
- a glass-plate holding unit that holds a glass plate, comprising two glass substrates which are attached to each other, by supporting one end of the glass plate;
a pair of cutters which form a pair of cut lines in opposite surfaces of an end portion of the glass plate which is not supported, by moving the pair of cutters and the end portion of the glass plate relative to each other; and
a vibration unit that vibrates the end portion of the glass plate for forming vertical cracks just beneath the cut lines;
wherein the vibration unit is located on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof.
1 Assignment
0 Petitions
Accused Products
Abstract
A glass cutting apparatus (101) includes a pair of cutters (13a, 13b) installed oppositely to each other in such a way as to sandwich, therebetween, a glass plate with surfaces of the glass plate thereof being along a vertical direction; a first pressing unit (14a) which presses one of the cutters to one of the surfaces of the glass plate in a horizontal direction with a pressing force P; a second pressing unit (14b) which is placed oppositely to the first pressing unit and presses the other one of the cutters to the other surface of the glass plate in the horizontal direction with the pressing force P; and a moving unit (20) which moves the pair of cutters pressing the glass plate with the pressing force P.
14 Citations
20 Claims
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1. A glass cutting apparatus comprising:
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a glass-plate holding unit that holds a glass plate, comprising two glass substrates which are attached to each other, by supporting one end of the glass plate; a pair of cutters which form a pair of cut lines in opposite surfaces of an end portion of the glass plate which is not supported, by moving the pair of cutters and the end portion of the glass plate relative to each other; and a vibration unit that vibrates the end portion of the glass plate for forming vertical cracks just beneath the cut lines; wherein the vibration unit is located on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof. - View Dependent Claims (2, 3, 4)
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5. A display panel glass-substrate disassembling apparatus for disassembling a display panel comprising two glass substrates bonded to each other at peripheral portions thereof to recycle the display panel, the glass-substrate disassembling apparatus comprising:
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a transfer unit capable of transferring the display panel in forward and rearward directions; a stopping unit that stops the display panel being transferred at a predetermined stop position; a fixing unit that fixes, at the stop position, the display panel stopped at the stop position; and a cutting unit comprising a glass cutting apparatus for cutting at least a single side of the display panel fixed by the fixing unit, said glass cutting apparatus comprising a glass-plate holding unit that holds a glass plate, comprising two glass substrates which are attached to each other, by supporting one end of the glass plate, a pair of cutters which form a pair of cut lines in opposite surfaces of an end portion of the glass plate which is not supported, by moving the pair of cutters and the end portion of the glass plate relative to each other, and a vibration unit that vibrates the end portion of the glass plate for forming vertical cracks just beneath the cut lines, wherein the vibration unit is located on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A display panel glass-substrate disassembling system for disassembling a display panel comprising two glass substrates bonded to each other at peripheral portions thereof to recycle the display panel, the glass-substrate disassembling system comprising:
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a first glass-substrate disassembling apparatus; a rotation unit that rotates the display panel by 90 degrees about an axis perpendicular to the display panel; and a second glass-substrate disassembling apparatus; wherein the rotation unit is placed downstream of the first glass-substrate disassembling apparatus in a forward direction and upstream of the second glass-substrate disassembling apparatus in the forward direction; and wherein each of said first and second glass-substrate disassembling apparatuses comprises a transfer unit capable of transferring the display panel in forward and rearward directions, a stopping unit that stops the display panel being transferred at a predetermined stop position, a fixing unit that fixes, at the stop position, the display panel stopped at the stop position, and a cutting unit comprising a glass cutting apparatus for cutting at least a single side of the display panel fixed by the fixing unit, said glass cutting apparatus comprising a glass-plate holding unit that holds a glass plate, comprising two glass substrates which are attached to each other, by supporting one end of the glass plate, a pair of cutters which form a pair of cut lines in opposite surfaces of an end portion of the glass plate which is not supported, by moving the pair of cutters and the end portion of the glass plate relative to each other, and a vibration unit that vibrates the end portion of the glass plate for forming vertical cracks just beneath the cut lines, wherein the vibration unit is located on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof. - View Dependent Claims (12)
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13. A glass cutting method comprising:
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holding a glass plate comprising two glass substrates which are attached to each other, by supporting one end of the glass plate; moving a pair of cutters and an end portion of the glass plate which is not supported relative to each other to form a pair of cut lines on opposite surfaces of the end portion of the glass plate; and vibrating the end portion of the glass plate for forming vertical cracks just beneath the cut lines; wherein the vibrating of the end portion of the glass plate comprises applying vibrations to the glass plate on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof. - View Dependent Claims (14, 15)
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16. A display panel glass-substrate disassembling method for disassembling a display panel comprising two glass substrates bonded to each other at peripheral portions thereof through a sealing adhesive agent to recycle the display panel, the glass-substrate disassembling method comprising:
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stopping the display panel being transferred in a forward direction at a first stop position; and fixing, at the first stop position, the display panel stopped at the first stop position; and cutting at least a single side of the display panel fixed at the first stop position using a glass cutting method comprising holding a glass plate comprising two glass substrates which are attached to each other, by supporting one end of the glass plate, moving a pair of cutters and an end portion of the glass plate which is not supported relative to each other to form a pair of cut lines on opposite surfaces of the end portion of the glass plate, and vibrating the end portion of the glass plate for forming vertical cracks just beneath the cut lines, wherein the vibrating of the end portion of the glass plate comprises applying vibrations to the glass plate on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof, wherein the glass plate is a display panel, and the two glass substrates of the glass plate comprise a first glass flat plate and a second glass flat plate which are attached to each other with a spacing provided therebetween, and wherein the holding of the glass plate includes holding the glass plate along the vertical direction. - View Dependent Claims (17, 18, 19)
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20. A display panel glass-substrate disassembling method for disassembling a display panel comprising two glass substrates bonded to each other at peripheral portions thereof through a sealing adhesive agent to recycle the display panel, the glass-substrate disassembling method comprising:
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stopping the display panel being transferred in a forward direction at a first stop position; fixing, at the first stop position, the display panel stopped at the first stop position; cutting at least a single side of the display panel fixed at the first stop position; transferring the display panel in a rearward direction; stopping the display panel at a second stop position; fixing, at a second stop position, the display panel stopped at the second stop position; cutting at least a single side of the display panel fixed at the second stop position; transferring the display panel in the forward direction; rotating, by 90 degrees, the display panel about an axis perpendicular to the panel; transferring the rotated display panel in the forward direction; stopping the display panel being transferred in the forward direction at a third stop position; fixing, at the third stop position, the display panel stopped at the third stop position; cutting at least a single side of the display panel fixed at the third stop position; transferring the display panel in the rearward direction; stopping the display panel at a fourth stop position; fixing, at the fourth stop position, the display panel stopped at the fourth stop position; and cutting at least a single side of the display panel fixed at the fourth stop position;
wherein each of said cutting of the at least a single side of the display panel at the first stop position, said cutting of the at least a single side of the display panel at the second stop position, said cutting of the at least a single side of the display panel at the third stop position, and said cutting of the at least a single side of the display panel at the fourth stop position, is carried out according to a glass cutting method comprisingholding a glass plate comprising two glass substrates which are attached to each other, by supporting one end of the glass plate, moving a pair of cutters and an end portion of the glass plate which is not supported relative to each other to form a pair of cut lines on opposite surfaces of the end portion of the glass plate, and vibrating the end portion of the glass plate for forming vertical cracks just beneath the cut lines, wherein the vibrating of the end portion of the glass plate comprises applying vibrations to the glass plate on an opposite side from the end portion with respect to the cut lines to vibrate the glass plate in a thickness direction thereof.
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Specification