Samsung Display Co., Ltd.

Yonsei University

Innoworks Co.

Byunghoon Kang

Seungho Kim

Seung Hwan Kim

Gyuin Shim

Woojin Cho

Heekyun Shin

Seungjun Moon

Sanghoon Kim

Seongjin Hwang

Hoikwan Lee

Changmoo Lee

Cheolmin Park

Seungjoo Haam

Yong-min Huh

Hyun-Ouk Kim

Jihye Choi

Minwoo Lee

Min-Hoon Choi

Young-Seok Seo

Sunghoon Kim

Junho Sim

Kyungrok Ko

Dongkyun Seo

Sujin Sung

Jaemoon Yang

Youngok Park

Ilkoo Noh

Eunji Jang

Seo Ryung Bae

Young Ki Park

Oh Joo Park

Dae Seong Im

Jong Soo Baek

Sang-Il Park

Youngjun Kim

Byeong-Beom Kim

Taehyeog Jung

Heonjung Shin

Hyunjoon Oh

Hye-Jin Oh

Jeongmin Park

Boa Kim

Yuri Kim

Minhoon Choi

Kyung-man Kim

Jingyu Sim

Hyunji Lee

Seung Won Song

Jin-Suck Suh

Sumin An

Jeongsub Lee

Seungmin Han

Junhyuk Cheon

Hwunjae Lee

Haejin Chun

Myeong-Hoon Kim

Yoochan Hong

Eun Bi Choi

A cover window includes a front portion including a flat surface; a first side portion extending from a first edge of the front portion and being bent about a first axis that is parallel to the first edge of the front portion; a second side portion extending from a second edge crossing the first edge of the front portion and being bent about a second axis that is parallel to the second edge of the front portion; and a corner portion between the first side portion to the second side portion, wherein the first side portion includes an outer surface and an inner surface opposite to the outer surface, and a curvature radius of the outer surface is different from a curvature radius of the inner surface.

Cover window, display device including the same, and apparatus for manufacturing the display device

A cover window includes a lower surface and an upper surface opposite to the lower surface. The upper surface includes: a center area extending in a first direction and being spaced apart from the lower surface by a first interval in a thickness direction; a first curved area extending in a curved shape from a first side of the center area; and a first area extending from the first curved area in the first direction and being spaced apart from the lower surface by a second interval in the thickness direction; and the first curved area includes a first partial area concavely extending from the center area and a second partial area convexly extending from the first partial area in a cross-sectional view.

Cover window, method of manufacturing the cover window, and display device

Provided is a window molding apparatus including an inner molding part including a core molding part, which includes a plurality of sub-bottom surfaces having different curvature radii, and a flat molding part spaced apart from the sub-bottom surfaces and disposed on the core molding part, and an outer molding part which is disposed below the inner molding part with a member to be processed therebetween and in which a groove corresponding to the core molding part is defined. The outer molding part includes a lower surface, an upper surface configured to face the lower surface, and a plurality of sub-groove surfaces having different curvature radii that define the groove to provide a window including sub-bent portions having different curvature radii.

Window molding apparatus and window molding method using the same

A member for a window module includes a base layer which is foldable and in which a groove defined. The base layer includes a first dam structure in which the groove is defined. The member further includes a filler filled in the groove.

Member for window module and method of manufacturing window module using the same

The window molding apparatus for processing a member having first and second opposed, substantially flat sides and a bendable portion disposed therebetween, the apparatus includes a first molding part controlled to move in a substantially linear direction and a jig including a support surface on which the member is seated and a recess in the support surface to receive the bendable portion of the member and the first molding part.

A method of manufacturing a window may include cutting a window having a uniform thickness of about 20 μm to about 100 μm and polishing a cut surface of the window with a polishing pad having an elastic modulus less than an elastic modulus of the window while applying slurry to the cut surface of the window.

Method of manufacturing window and window for display device

A window includes a first glass substrate having a first thickness and including a first flat part and a second flat part, which face each other, with a first curved part disposed therebetween; a second glass substrate having a second thickness, disposed at an inner side of the first glass substrate, and including a third flat part and a fourth flat part, which face each other, with a second curved part disposed therebetween; and a light shielding layer disposed between the first glass substrate and the second glass substrate or disposed at an inner side of the second glass substrate.

Window and manufacturing method thereof

An apparatus for molding a window, the apparatus includes: a first molding part; a jig disposed below the first molding part, the jig including a bottom surface and a plurality of side surfaces configured to support and seat a work piece to be processed into a window; and an second molding part disposed on the bottom surface, wherein the second molding part includes: a lower surface adjacent to the bottom surface; an upper surface facing the lower surface; a first cavity having a first curved surface generally concave in a direction facing the lower surface; a plurality of second cavities extending from the first cavity, the plurality of second-cavities having second curved surfaces; and a plurality of movable molds disposed on the second-cavities supported for movement along the second curved surfaces, respectively.

Window molding apparatus and a window molding method using the same

A window includes a base region and a compressive stress region disposed on the base region. The compressive stress region includes Li, Na, and Kions. The compressive stress region includes a first compressive stress portion in which a concentration of the Kions decreases, a concentration of Naions increases, and a concentration of the Liions increases, from a surface of the window toward the base region. A second compressive stress portion is adjacent to the first compressive stress portion. In the second compressive stress portion, the concentration of the Naion decreases and the concentration of the Liion increases, from the first compressive stress portion toward the base region. The window thereby has a high surface compressive stress value and impact resistance.

Window and method of manufacturing the same

A display apparatus includes: digitizer; an adhesive layer disposed on the digitizer to contact the digitizer; and a substrate disposed on the adhesive layer to contact the adhesive layer. The substrate includes a first substrate in which a plurality of first structures, each including an opening or groove, are defined such that the first substrate is folded about a folding axis extending in a first direction, and the first substrate includes a glass material.

Display apparatus having a plurality of openings and method of manufacturing the same

A cutting apparatus includes: a stage on which is disposed a preliminary stacked body from which a cut stacked body having an edge is formed; a cutting unit movable along a first direction corresponding to an extension direction of the edge of the cut stacked body and with which the preliminary stacked body is cut to form the cut stacked body; a first detaching unit movable in a direction forming an acute angle with the first direction and including a first detaching tool which contacts the cut stacked body in detaching of the cut stacked body from the carrier substrate; and a second detaching unit movable in a direction parallel to the first direction and including a second detaching tool which is inserted between the cut stacked body and the carrier substrate in the detaching of the cut stacked body from the carrier substrate.

Cutting apparatus and method of manufacturing display device by using same

A cover window includes a base layer including a bending portion bent about a bending axis extending in one direction, a first flat portion, and a second flat portion spaced apart from the first flat portion with the bending portion interposed therebetween in a direction crossing the one direction and facing each other and a first coating portion disposed on the bending portion and having a first modulus less than a modulus of the base layer.

Cover window, method of manufacturing the same, and display device having the same

A method for manufacturing a display device includes providing a first display device assembly comprising a display module, a first window disposed on the display module, a first window adhesive layer disposed between the display module and the first window, and a first protective layer disposed on the first window. The first protective layer is removed. The first window is removed by providing an acid solution on the first display device assembly. A second window is provided that is disposed on the display module after the first window is removed. A second protective layer is provided that is disposed on the second window after the first protective layer is removed.

Method for manufacturing a display device

Growing community of inventors

Seoul, South Korea

Byunghoon Kang