# US 2020/0401185 A1 · Display device and method of manufacturing the same

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- Number: US 2020/0401185 A1
- Document ID: US20200401185A1
- Status: Published application
- Kind: A1
- Application number: 16/811,553
- Filed: 2020-03-06
- Published: 2020-12-24
- Earliest claimed: 2019-06-21
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., LTD.
- Inventors: Chang Hee WON
- Web page: https://patentgrep.com/patent/US20200401185A1

## CPC

- G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]}
- B32B 37/30: Partial laminating
- B32B 38/0004: {Cutting, tearing or severing, e.g. bursting; Cutter details (cutting in general B26D; laminating combined with punching or perforating B32B38/04; removing all or part of the layers B32B38/10; cutting in combination with laying up and registration B32B38/185 takes precedence)}
- B32B 38/10: Removing layers, or parts of layers, mechanically or chemically
- B32B 38/1866: {conforming the layers or laminate to a convex or concave profile}
- G02B 1/14: Protective coatings, e.g. hard coatings
- G06F 1/1609: {to support filters or lenses}
- G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/873: {Encapsulations}
- H10K 71/80: using temporary substrates
- B32B 2037/268: {Release layers}
- B32B 2457/20: Displays, e.g. liquid crystal displays, plasma displays
- H10K 59/871: {Self-supporting sealing arrangements}
- H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants}
- Y02E 10/549: Organic PV cells
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A display device and a method of manufacturing the display device are provided. The method includes disposing a display panel, including side areas, a front display area, and a sub-region, on a carrier film including first, second, and third release portions; removing the first release portion to expose the side areas; disposing a cover window above the display panel; attaching the front display area to the cover window by pressing the second release portion toward the cover window, and attaching the side areas to the cover window by pressing the side areas exposed by removing the first release portion toward the cover window; removing the second release portion and the third release portion to expose the front display area and the sub-region; and bending the display panel to attach a bottom portion of the sub-region to a bottom portion of the front display area.

## Claims

### Claim 1

A method of manufacturing a display device, comprising:
disposing a display panel, including side areas, a front display area, and a sub-region, on a carrier film including a first release portion, a second release portion and a third release portion spaced apart from the second release portion;
removing the first release portion of the carrier film to expose the side areas of the display panel;
disposing a cover window above the display panel;
attaching the front display area of the display panel to the cover window by pressing the second release portion of the carrier film toward the cover window, and attaching the side areas to the cover window by pressing the side areas exposed by removing the first release portion toward the cover window;
removing the second release portion and the third release portion to expose the front display area and the sub-region; and
bending the display panel to attach a bottom portion of the sub-region to a bottom portion of the front display area.

### Claim 2 (depends on 1)

The method of claim 1, further comprising forming a first cutting line between the first release portion and the second release portion and forming a second cutting line between the second release portion and the third release portion.

### Claim 3 (depends on 2)

The method of claim 2, wherein the forming a first cutting line comprises cutting the carrier film along boundaries between the front display area and the side areas.

### Claim 4 (depends on 3)

The method of claim 3, wherein the forming a second cutting line comprises cutting the carrier film along a boundary between a respective side area of the side areas and a bending region where the display panel is bent.

### Claim 5 (depends on 1)

The method of claim 1, wherein the disposing a display panel comprises forming a cutout portion in a corner area of the display panel disposed between the side areas in a thickness direction of the display panel.

### Claim 6 (depends on 5)

The method of claim 5, wherein the display panel includes a substrate and a first protective film disposed on the substrate, and the forming a cutout portion comprises cutting a cutout pattern that is an area of the first protective film corresponding to the cutout portion in a thickness direction of the display panel.

### Claim 7

A method of manufacturing a display device, comprising:
disposing a display panel, including a front display area, side areas, and a sub-region, on a carrier film including a first release portion, a second release portion and a third release portion;
forming a cutout pattern in the first release portion of the carrier film to overlap the side areas of the display panel;
disposing a cover window above the display panel;
attaching the side areas of the display panel to the cover window by pressing the first release portion of the carrier film toward the cover window, and attaching the front display area of the display panel to the cover window by pressing the second release portion of the carrier film toward the cover window;
removing the first release portion, the second release portion and the third release portion of the carrier film to expose the front display area, the side areas and the sub-region; and
bending the display panel to attach a bottom portion of the sub-region of the display panel to a bottom portion of the front display area.

### Claim 8 (depends on 7)

The method of claim 7, wherein the forming a cutout pattern in the first release portion comprises cutting the first release portion into a grid configuration.

### Claim 9 (depends on 8)

The method of claim 8, wherein the display panel includes a substrate and a first protective film disposed on the substrate, and the method further comprises forming a cutout pattern in the side areas of the first protective film.

### Claim 10 (depends on 9)

The method of claim 9, wherein the forming a cutout pattern in the first release portion is performed simultaneously with the forming a cutout pattern in the first protective film.

### Claim 11

A display device, comprising:
a display panel including a front display area, a first side area extending from a first side of the front display area, a second side area extending from a second side of the front display area, and a corner area disposed between the first side area and the second side area,
wherein the display panel includes a cutout portion which cuts the corner area in a thickness direction of the display panel.

### Claim 12 (depends on 11)

The display device of claim 11, wherein the display panel further includes a substrate and a first protective film attached to a surface of the substrate, and the first protective film includes a cutout pattern overlapping the cutout portion.

### Claim 13 (depends on 12)

The display device of claim 12, wherein the cutout pattern of the first protective film cuts the first protective film in the thickness direction of the display panel from one side of the corner area to another side of the corner area.

### Claim 14 (depends on 13)

The display device of claim 13, wherein the one side of the corner area and the another side of the corner area respectively correspond to first and second ends of the corner area.

### Claim 15 (depends on 12)

The display device of claim 12, wherein the substrate includes a cutout pattern overlapping the cutout portion.

### Claim 16 (depends on 15)

The display device of claim 15, wherein the cutout pattern of the substrate cuts the substrate in the thickness direction of the display panel from a first end of the corner area to a second end of the corner area.

### Claim 17 (depends on 12)

The display device of claim 12, wherein the cutout pattern of the first protective film overlaps the first side area and the second side area.

### Claim 18 (depends on 17)

The display device of claim 17, wherein the cutout pattern of the first protective film is a cutout pattern having a grid configuration in plan view.

### Claim 19 (depends on 12)

The display device of claim 12, wherein the display panel further includes a second protective film attached to a surface of the substrate,
the substrate includes a bending region, a main region located at one side of the bending region, and a sub-region extending from another side of the bending region, and
the first protective film is attached to the main region of the substrate, and the second protective film is attached to the sub-region of the substrate.

### Claim 20 (depends on 19)

The display device of claim 19, wherein the second protective film overlaps the first protective film in the thickness direction of the display panel.

### Claim 21 (depends on 20)

The display device of claim 20, wherein the display panel includes a first adhesive layer disposed between the substrate and the first protective film, a second adhesive layer disposed between the substrate and the second protective film, and a third adhesive layer disposed between the first protective film and the second protective film.