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CN-117037614-B - Display device and method of manufacturing the same

CN117037614BCN 117037614 BCN117037614 BCN 117037614BCN-117037614-B

Abstract

A display apparatus and a method of manufacturing the same are provided, the method including preparing a panel having a panel layer displaying an image, a first protective film on a first surface of the panel layer using a first adhesive layer, and a second protective film on a second surface of the panel layer using a second adhesive layer, cutting the panel on a stage along a closed curve cut line to a predetermined depth extending from the second protective film to at least a portion of the first adhesive layer, and separating a first portion of the panel located inside the closed curve cut line from a second portion of the panel located outside the closed curve cut line such that the second portion and the entire first protective film are simultaneously removed according to a first boundary formed by the cut line and a second boundary between the panel layer and the first protective film.

Inventors

  • JIN GUANGNIAN

Assignees

  • 三星显示有限公司

Dates

Publication Date
20260505
Application Date
20170930
Priority Date
20161007

Claims (14)

  1. 1. A display device, the display device comprising: a panel layer for displaying an image; a protective film on the first surface of the panel layer, and A polarizing layer on a second surface of the panel layer, displaying an image on the second surface of the panel layer, the first surface of the panel layer and the second surface of the panel layer facing away from each other, Wherein a width of a first surface of the protective film is larger than a width of a second surface of the protective film in a direction parallel to the first surface of the panel layer, the width of the first surface of the panel layer is larger than the width of the first surface of the protective film, the first surface of the protective film is close to the first surface of the panel layer, and the second surface of the protective film is opposite to the first surface of the protective film.
  2. 2. The display device according to claim 1, further comprising an adhesive layer disposed between the first surface of the protective film and the first surface of the panel layer.
  3. 3. The display device of claim 2, wherein a width of a first surface of the adhesive layer is less than a width of a second surface of the adhesive layer, the first surface of the adhesive layer being proximate to the first surface of the protective film, the second surface of the adhesive layer being proximate to the first surface of the panel layer.
  4. 4. The display device of claim 1, wherein the polarizing layer is directly on the panel layer.
  5. 5. The display device of claim 1, wherein a first surface of the polarizing layer has a same width as a second surface of the polarizing layer, the first surface of the polarizing layer being proximate to the second surface of the panel layer, the second surface of the polarizing layer being opposite the first surface of the polarizing layer.
  6. 6. The display device of claim 1, wherein the polarizing layer comprises a polarizing film attached to the panel layer.
  7. 7. The display device of claim 1, wherein the panel layer is a flexible layer.
  8. 8. The display device of claim 1, wherein the panel layer comprises: A flexible substrate; At least one thin film transistor on the flexible substrate; an organic light emitting diode on the flexible substrate, the organic light emitting diode including a first electrode electrically connected to the at least one thin film transistor, a second electrode, and an emission layer between the first electrode and the second electrode, and And a thin film encapsulation layer on the organic light emitting diode, the thin film encapsulation layer including at least one organic layer and at least one inorganic layer.
  9. 9. A display device, the display device comprising: A flexible substrate; At least one thin film transistor on the flexible substrate; A light emitting diode located on the first surface of the flexible substrate; a thin film encapsulation layer on the light emitting diode, the thin film encapsulation layer comprising at least one organic layer and at least one inorganic layer; A polarizing layer on the thin film encapsulation layer; a protective film on the second surface of the flexible substrate, the first surface of the flexible substrate and the second surface of the flexible substrate facing away from each other, and An adhesive layer between the flexible substrate and the protective film, Wherein the width of the flexible substrate is larger than the width of the protective film, the width of the first surface of the protective film is larger than the width of the second surface of the protective film, the first surface of the protective film is close to the adhesive layer, and the second surface of the protective film is opposite to the first surface of the protective film.
  10. 10. The display device of claim 9, wherein a first surface of the polarizing layer proximate the light emitting diode and a second surface of the polarizing layer have the same width, the second surface of the polarizing layer facing away from the first surface of the polarizing layer.
  11. 11. The display device of claim 10, wherein the polarizing layer comprises a polarizing film.
  12. 12. The display device of claim 9, wherein a width of a first surface of the adhesive layer is less than a width of a second surface of the adhesive layer, the first surface of the adhesive layer being proximate to the first surface of the protective film, the second surface of the adhesive layer being proximate to the flexible substrate.
  13. 13. The display device of claim 9, wherein the light emitting diode comprises an organic light emitting diode.
  14. 14. The display device according to claim 9, wherein the thin film encapsulation layer includes a structure in which the organic layer and the inorganic layer are alternately stacked.

Description

Display device and method of manufacturing the same The application is a divisional application of patent application with the application date of 2017, 9, 30, the application number of 201710924407.7 and the name of display equipment and a manufacturing method thereof. Technical Field One or more embodiments relate to a display device and a method of manufacturing the same, and more particularly, to a flexible display device and a method of manufacturing the same, which relate to improving a process of cutting an edge of a flexible panel to cut the flexible panel into a desired shape. Background In general, a flexible display device is a device having flexibility by forming a device layer for producing an image on a flexible substrate, and has an advantage in that the flexible display device can be bent if necessary. When manufacturing the flexible display device, the edges of the flexible panel are cut to a desired specification and shape, such as a rounded shape. Disclosure of Invention One or more embodiments include a display device and a method of manufacturing the same with respect to improving a process of cutting an edge of a flexible panel to cut the panel into a desired shape. According to one or more embodiments, a method of manufacturing a display device includes preparing a panel such that the panel includes a panel layer for displaying an image, a first protective film attached to a first surface of the panel layer using a first adhesive layer, and a second protective film attached to a second surface of the panel layer using a second adhesive layer, disposing the panel on a stage such that the stage faces the first protective film, cutting the panel on the stage along a closed curve cut line to a predetermined depth extending from the second protective film to at least a portion of the first adhesive layer, and separating a first portion of the panel located inside the closed curve cut line from a second portion of the panel located outside the closed curve cut line such that the second portion and the entire first protective film are simultaneously removed according to a first boundary formed by the cut line and a second boundary between the panel layer and the first protective film. The inner region of the closed curve cut line may include a display unit on which an image is displayed, and the outer region of the closed curve cut line may include a dummy unit as a non-display region. The cutting of the flexible panel may include irradiating laser along the closed curve cutting line from one side of the second protective film. The cut groove formed by the laser may have a space gradually decreasing from the second protective film toward the first adhesive layer. The laser may include one of a CO 2 laser, a green laser, an infrared laser, and an ultraviolet laser. The step of disposing the flexible panel disposed on the platform may include fixedly securing the flexible panel to the platform. The platform may include suction holes and the securing step of the flexible panel on the platform may include applying suction to the flexible panel through the suction holes to attach the flexible panel to the platform. The method may further include forming a polarizing layer on the panel layer from which an inner region of the closed curve cut line of the first protective film is removed. The polarizing layer may include a polarizing film to be attached to the panel layer. The step of cutting the flexible panel on the platform may include forming the flexible panel having edges with an inclined shape having a gradually increasing width, and the step of forming the polarizing layer may include forming the polarizing layer having straight edges perpendicular to the top surface of the panel layer. The closed curve cut line may have a rectangular shape with rounded corners. The closed curve cut line may have a rectangular shape attached to one side of the circle. The panel layer may include an organic light emitting diode. According to one or more embodiments, a display device includes a panel including a panel layer to display an image, a protective film on a first surface of the panel layer, and a polarizing layer on a second surface of the panel layer, the first surface and the second surface facing away, wherein an edge of the panel layer is inclined at a predetermined angle with respect to a dotted line extending along a normal of the polarizing layer. The flexible panel may include an edge having an inclined shape with a width gradually increasing from the protective film toward the polarizing layer. The width of the flexible panel may gradually increase from the protective film to the panel layer, and the panel layer and the polarizing layer may have the same width. The adhesive layer may be disposed between the protective film and the panel layer. The polarizing layer may include a polarizing film to be attached to the panel layer. The polarizing film may be directly on the flexible panel. The f