Samsung Display Co., Ltd.

Geunwoo Yug

Muhyun Kim

Ilyoung Jeong

Myeongseok Jeong

Junghwa You

Soobum Park

Seoin Han

Taehyun Jung

Mu-Hyun Kim

Sungwoo Cho

KuHyun Kang

Bon-Joo Koo

A display device includes a display panel for displaying an image, and including a folding area configured to be folded about a folding axis, and a non-folding area adjacent to the folding area, and also includes a window on the display panel, including a flexible material, and configured to be folded along the display panel, wherein a side surface of the window has a first surface roughness in the non-folding area, and has a second surface roughness in the folding area that is less than the first surface roughness.

Display device and method of manufacturing the same

A manufacturing method of a display device includes providing a work panel including a display panel including a folding area, and a carrier film disposed under the display panel and including a first area and a second area, wherein a peeling tape is attached to the first area and the second area is adjacent to the first area, and cutting the work panel by irradiating a laser beam on to the work panel. The cutting of the work panel includes irradiating the laser beam along a first cutting line corresponding to the first area under a first condition, and irradiating the laser beam along a second cutting line corresponding to the second area under a second condition different from the first condition.

Method of manufacturing a display device

A substrate-cutting method includes preparing a first substrate in which a plurality of first active areas spaced apart from each other and a first non-active area surrounding the first active areas are defined in a plane, forming an adhesive layer on the first substrate where the adhesive layer is disposed within the first active areas, disposing a second substrate in which a plurality of second active areas spaced apart from each other and a second non-active area surrounding the second active areas are defined in the plane, and cutting a cutting line of the second substrate, which corresponds to a boundary between the second active areas and the second non-active area, using a laser beam. The adhesive layer does not overlap the cutting line of the second substrate.

Substrate-stacking structure and substrate-cutting method

A method of manufacturing a display apparatus includes separating a mother substrate that includes a plurality of connected unit display apparatuses into a plurality of separated unit display apparatuses. Each separated unit display apparatus includes a display panel and at least one supporting unit attached below the display panel. The display panel includes a display substrate that has a pad area on which are disposed a plurality of pads and a thin film encapsulation layer on the display substrate. The method further includes consecutively cutting the display panel and the at least one supporting unit of each separated unit display apparatus along cutting lines in the pad area, where a first cut surface of the pad area of the display substrate and a second cut surface of the at least one supporting unit are respectively cut at different angles.

Display apparatus and method of manufacturing the same

A display module includes a display panel including a plurality of pixels, a carrier panel on a rear surface of the display panel, and an adhesive layer disposed between the display panel and the carrier panel, where the adhesive layer is in contact with the carrier panel. Lateral surfaces of the adhesive layer are recessed from lateral surfaces of the carrier panel.

Display module, display apparatus including the same, and method of manufacturing the display apparatus

A polarization film includes: a base substrate in which a folding axis and a stretched axis are defined; and a deformation portion located at an edge of the base substrate. The stretched axis forms an angle of less than about 45° with respect to the folding axis. The display device, in which a folding area at which a folding axis is located and a non-folding area neighboring the folding area are defined, includes a display panel; a first adhesive layer on the display panel; and a polarization film on the first adhesive layer, where a stretched axis is defined in the polarization film. An angle between the folding axis and the stretched axis is less than about 45°.

Polarization film having folding axis and deformation portion deformed by heat

Display module including adhesive layer with recessed and inclined lateral surfaces and display apparatus including the same

A method of manufacturing a display apparatus includes: forming a plurality of display devices in a display area of a substrate including an opening area and the display area surrounding the opening area; and forming an opening in the opening area, wherein the forming of the opening includes: performing a first scan operation, whereby a laser beam is irradiated onto an edge of the opening area in a direction of the substrate along a plurality of first unit paths; and performing a second scan operation, whereby the laser beam is irradiated onto the edge of the opening area in the direction of the substrate along a plurality of second unit paths that are different from the plurality of first unit paths.

Method of manufacturing display apparatus

A display device fabrication method includes providing a substrate including a display panel including a panel mark, placing a processing module on the display panel, the processing module including a processing mark and a first processing line adjacent to the processing mark, the processing mark corresponding to the panel mark of the display panel, calculating an offset between the panel mark and the processing mark, correcting the first processing line to define a second processing line overlapping a periphery of the display panel, the correcting including reflecting the calculated offset, and processing the periphery of the display panel along the second processing line. The calculating of the offset includes obtaining a first offset defined as a displacement between points on the processing and panel marks, and obtaining a second offset defined as an angle of the panel mark with respect to the processing mark.

Method of fabricating display device

A method for manufacturing a display device including a display panel having a folding area to be folded along a virtual folding axis and first and second non-folding areas adjacent to both sides of the folding area, and a window disposed on the display panel, the method including preparing a mother substrate having an effective area and a non-effective area divided by a cutting line, performing a first laser process along a first cutting line disposed in the first non-folding area, performing a second laser process along a second cutting line disposed in the second non-folding area, and performing a third laser process along a third cutting line disposed in the folding area, in which one end of the third cutting line overlaps a first end of the first cutting line, and the other end of the third cutting line overlaps a first end of the second cutting line.

Display device and method for manufacturing the same

A manufacturing method of a display device includes irradiating a laser beam onto a work panel along a beam irradiation line corresponding to an outer edge of the display device including a first thickness area and a second thickness area. The irradiating of the laser beam includes first irradiating the laser beam under a first driving condition to provide a first portion of the beam irradiation line at the first area, stopping driving of the laser beam while changing the first driving condition to a second driving condition different from the first driving condition, after the first irradiating of the laser beam, and second irradiating the laser beam under the second driving condition to provide a second portion of the beam irradiation line at the second area, after the stopping of the driving of the laser beam.

Method of manufacturing display device

A method includes: providing an unfinished set module for a display panel having an active area and a peripheral area adjacent to the active area and being foldable about a foldable axis extending in one direction, the active area including a hole formation area; selectively irradiating a laser beam along a path defined along a boundary between the hole formation area and the active area, the path including first paths spaced apart from each other in a direction substantially parallel to the foldable axis and second paths disposed between the first paths, at a first energy density and at second energy density different from the first energy density, wherein the laser beam is irradiated at the first energy density along the first paths and at the second energy density along the second paths; and forming a set module having a hole by removing the hole formation area from the unfinished set module.

Method of manufacturing electronic apparatus

A method of manufacturing an electronic apparatus includes: providing a work substrate including a preliminary set module including an active area including a hole formation area; and a protective film covering at least one of an upper surface and a rear surface of the preliminary set module; radiating the laser beam to the work substrate from a first start point toward a moving path removing at least a portion of the work substrate to form a first start cutting line in the hole formation area, the moving path of the laser beam defined as a boundary between the hole formation area and the active area; radiating the laser beam along the moving path; and removing the hole formation area from the preliminary set module to form a module hole, wherein the first start cutting line forms a predetermined angle with respect to a tangential line of the moving path.

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Seoul, South Korea

Geunwoo Yug