Protective film peeling apparatus and method of peeling a protective film using the same

Patent metadata

Field	Value
Publication number	US-11235510-B2
Application number	US-202017077561-A
Country	US
Kind code	B2
Filing date	Oct 22, 2020
Priority date	Oct 13, 2017
Publication date	Feb 1, 2022
Grant date	Feb 1, 2022

Abstract

A protective film peeling apparatus includes a peeling tape, a tape support portion disposed under one side of the peeling tape, a first pressing portion which is disposed on the one side of the peeling and fixes the one side of the peeling tape to the tape support portion, a second pressing portion which is disposed on another side of the peeling tape and presses and attaches the another side of the peeling tape to one side of a dummy portion of a protective film on a panel, and a grip portion disposed on the dummy portion. The tape support portion and the first pressing portion peel the one side of the dummy portion and a predetermined portion of the dummy portion, and the grip portion peel a remaining portion of the dummy portion.

First claim

What is claimed is:

1. A method of peeling a protective film, the method comprising:
disposing one side of a peeling tape extending in a first direction on a tape support portion;
moving a first pressing portion disposed on the one side of the peeling tape in a downward direction to press and fix the one side of the peeling tape to the tape support portion;
moving a second pressing portion disposed on another side of the peeling tape in the downward direction to press and attach the another side of the peeling tape to one side of a dummy portion of a protective film of a mother panel;
moving the second pressing portion in an upward direction and moving the tape support portion and the first pressing portion in the upward direction to peel the one side of the dummy portion and a predetermined portion of the dummy portion; and
peeling a remaining portion of the dummy portion by gripping the peeled predetermined portion of the dummy portion with a grip portion.

2. The method of claim 1 , wherein the peeling the remaining portion of the dummy portion comprises:
moving the grip portion in the downward direction so as to be disposed below the tape support portion;
gripping the peeled predetermined portion of the dummy portion with the grip portion;
moving the first pressing portion in the upward direction to separate the first pressing portion from the one side of the peeling tape; and
moving a stage, on which the mother panel is placed, in the first direction to allow the mother panel to move away from the grip portion.

3. The method of claim 2 , further comprising:
pressing the protective film adjacent to the one side of the dummy portion by a fixing portion disposed on one side of the stage adjacent to the one side of the dummy portion.

4. The method of claim 1 , wherein the dummy portion comprises:
a first dummy portion defined as the one side of the dummy portion; and
a second dummy portion extending from the first dummy portion in the first direction,
wherein the mother panel comprises:
a panel;
the protective film disposed on the panel; and
an adhesive member disposed between the panel and the protective film to attach the protective film to the panel,
wherein the panel comprises:
a plurality of unit panels arranged in the first direction,
wherein each of the plurality of unit panels comprises:
a bending portion extending in the first direction, and
wherein the second dummy portion overlaps with the bending portion in each of the plurality of unit panels.

5. The method of claim 4 , wherein the peeling tape comprises:
a peeling adhesive provided on the another side of the peeling tape to attach the another side of the peeling tape to the first dummy portion,
wherein an adhesive strength of the peeling adhesive is stronger than an adhesive strength of the adhesive member,
wherein a width of the first dummy portion in a second direction intersecting the first direction is greater than a width of the second dummy portion in the second direction, and
wherein a width of the peeling tape in the second direction is equal to or less than the width of the first dummy portion.

6. The method of claim 4 , further comprising:
sucking carbonized particles of the adhesive member overlapping with the first dummy portion by a suction portion disposed between the first and second pressing portions when the first dummy portion is peeled.

7. The method of claim 1 , wherein the grip portion comprises:
a first grip portion; and
a second grip portion spaced apart from the first grip portion,
wherein the second pressing portion moves in the downward direction and the upward direction between the first grip portion and the second grip portion, and
wherein the first and second grip portions move in the downward direction so as to be disposed below the tape support portion and move close to each other to grip the peeled predetermined portion of the dummy portion, after the predetermined portion of the dummy portion is peeled.

8. The method of claim 7 , wherein the first grip portion comprises:
a first sub-grip portion; and
a second sub-grip portion connected to a bottom of the first sub-grip portion and having an L-shape when viewed in a second direction intersecting the first direction,
wherein the second grip portion comprises:
a third sub-grip portion; and
a fourth sub-grip portion connected to a bottom of the third sub-grip portion and having an L-shape when viewed in the second direction,
wherein the second and fourth sub-grip portions move close to each other to grip the peeled predetermined portion of the dummy portion.

9. The method of claim 8 , wherein the grip portion further comprises:
anti-adhesion coating layers respectively provided on one side surface of the second sub-grip portion and one side surface of the fourth sub-grip portion which face each other; and
a plurality of air jet holes provided at the one side surface of the second sub-grip portion and the one side surface of the fourth sub-grip portion,
wherein the one side surface of the second sub-grip portion and the one side surface of the fourth sub-grip portion have uneven structures.

10. A method of peeling a protective film, the method comprising:
providing a peeling tape extending in a first direction to a first guide roller and a second guide roller which rotate;
stopping the rotation of the first and second guide rollers and moving a pressing portion in a downward direction to press and attach the peeling tape between the first and second guide rollers to one side of a dummy portion of a protective film on a panel;
moving the first and second guide rollers and the pressing portion in an upward direction to peel the one side of the dummy portion and a predetermined portion of the dummy portion; and
moving a grip portion in the downward direction and gripping the peeled predetermined portion of the dummy portion with the grip portion to peel a remaining portion of the dummy portion.

Assignees

• Samsung Display Co Ltd

Inventors

• Han Gyeonghee
• Ryu Jekil
• Bae Yoongyeong
• Ahn Jooseob
• Jeong Seongchae
• Han Inae
• Han Gyoowan

Classifications

• B65B69/00 Primary

  Unpacking of articles or materials, not otherwise provided for · CPC title

• G02F1/1303

  Apparatus specially adapted to the manufacture of LCDs · CPC title

• B32B43/006 Primary

  Delaminating · CPC title

• Y10T156/1168

  Gripping and pulling work apart during delaminating · CPC title

• B29C63/0013 Primary

  Removing old coatings · CPC title