Abstract:
A display device includes a display panel including panel pads adjacent to the side surface of a display panel; connection pads disposed on the side surface of the display panel and connected to the panel pads; and a circuit board disposed on the side surface of the display panel and including lead signal lines directly bonded to the connection pads, wherein the connection pads include a first connection pad, a second connection pad disposed on the first connection pad, and a third connection pad disposed on the second connection pad, and the first connection pad is in contact with corresponding one of the panel pads, and the third connection pad is directly bonded to corresponding one of the lead signal lines.
Abstract:
A method of detecting defects of a glass substrate includes cutting a glass mother substrate into a plurality of glass substrates, penetrating ions into an incision surface of the glass substrate to visualize defects of the incision surface, and photographing the defects of the incision surface to determine a bending strength of the glass substrate based on a size of the defects.
Abstract:
A glass substrate has a first surface, a second surface opposite to the first surface, and a thickness from the first surface to the second surface. The glass substrate includes a first region, a second region, and a third region. The first region extends from the first surface a first depth into the glass substrate and has a first compressive stress. The second region extends from the second surface a second depth into the glass substrate and has a second compressive stress different from the first compressive stress. The third region is between the first region and the second region. In the glass substrate, the first compressive stress has a maximum value at a location between the first surface and the first depth, and the second compressive stress has a maximum value at a location between the second surface and the second depth.
Abstract:
A cover window, a manufacturing method of a cover window, and a display device including a cover window are provided. A cover window includes a folding portion and a non-folding portion, and the folding portion includes an inside surface that is compressed when folded and an outside surface that is stretched when folded, the folding portion includes a first layer adjacent to the outside surface, a second layer adjacent to the inside surface, and a third layer between the first layer and the second layer, the folding portion and the non-folding portion include at least one metal ion, a concentration of the metal ion included in the second layer is higher than a concentration of the metal ion included in the first layer, and the first layer includes a plurality of depletion regions.
Abstract:
A glass substrate chemical strengthening furnace apparatus includes a bottom portion and a side wall extending from an edge of the bottom portion, where the bottom portion and the side wall define a reaction space; and a plurality of heaters providing heat to the reaction space. The bottom portion includes an inclined portion located at a center and a collection portion disposed between the inclined portion and the side wall, the collection portion is in a groove shape in which an upper surface thereof is further recessed than the inclined portion, and the plurality of heaters includes a bottom heater disposed in the bottom portion or adjacent to the bottom portion.
Abstract:
A window substrate for protecting an electronic display device, the window substrate includes: a first substrate; a second substrate; and an interlayer having opposed sides disposed between the first substrate and the second substrate, with one side of the interlayer being in contact with the first substrate, and the other side of the interlayer being in contact with the second substrate, wherein the first substrate has a first thickness, the second substrate has a second thickness, and the interlayer has a third thickness, and wherein the sum of the first thickness, the second thickness, and the third thickness is about 190 μm or less.
Abstract:
A window drop test apparatus includes a support protruding in a first direction from the prop, and a guide portion that defines a drop space together with the support, where a drop test is performed through the drop space.
Abstract:
A manufacturing method of a display device includes: forming a laminate by laminating resins on first and second side surfaces of a glass; removing the resins along a laser irradiation line by irradiating a laser on the laminate; separating the laminate into a plurality of laminates by performing primary etching using an etching liquid composition; vertically stacking the plurality of laminates; and performing secondary chemical etching on a structure formed by stacking the plurality of laminates.
Abstract:
A window substrate for protecting an electronic display device includes a first glass substrate having a first thickness, a second glass substrate having a second thickness, and an interlayer disposed between the first glass substrate and the second glass substrate, the interlayer having a third thickness, wherein the sum of the first thickness, the second thickness, and the third thicknesses is equal to or less than about 190 μm. A display device including a display panel to display an image and a window substrate also is disclosed.
Abstract:
According to an exemplary embodiment of the present disclosure, a method of manufacturing a display window includes preparing a mother substrate, performing a salt treatment on the mother substrate to form a silicon-rich layer in a surface of the mother substrate to a first depth from the surface of the mother substrate, and removing the silicon-rich layer, wherein the first depth is greater than a depth of any cracks in the surface of the mother substrate, and a ratio of silicon content in the silicon-rich layer to a silicon content in the mother substrate is 1.2 to 1.4.