Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.

Abstract: A display device, including a folding region, and first and second non-folding regions at opposing sides of the folding region, includes: a display module; a support member on the display module; and a bonding layer between the display module and the support member. The support member includes a first support member in the first non-folding region and a part of the folding region, and a second support member in the second non-folding region and a part of the folding region. The bonding layer is over the folding region and the first and second non-folding regions. The bonding layer includes first to third portions in the first non-folding region, in the second non-folding region, and in the folding region, respectively. Adhesive force of the first portion to the support member is less than adhesive force of the second portion to the first support member or the second support member.

Abstract: A display device reduces or minimizes a stress applied to a display panel in a folded state. The display device includes a display panel including a bendable area; and a panel support portion combined to the display panel and including a multi-joint member to support the bendable area, and the multi-joint member includes: a plurality of hard material portions sequentially arranged in a first direction, mutually combined to be rotated with respect to one another, and including a first surface arranged toward the bendable area; and a soft material portion contacting the first surface and fixed to the plurality of hard material portions.

Abstract: An etching device includes a chamber; a supporter disposed in the chamber; a heater disposed in the supporter; and an applier disposed on the supporter. A glass is disposed on the supporter, the applier applies an etchant on the glass such that a thickness of the etchant applied reduces from a center of the glass toward an edge of the glass.

Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5), where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.

Abstract: A display device for reducing a stress applied to a display panel in a folded state is provided. The display device includes a display panel and a panel support portion. The display panel includes a bendable area. The panel support portion is combined to the display panel and includes a multi-joint member supporting the bendable area. The multi-joint member includes joint portions that are sequentially arranged, and a sliding member passing through the joint portions and moving inside the panel support portion. The sliding member includes a plate portion for arranging the joint portions, and a hook-shaped portion connected to a side of the plate portion and arranging the joint portions in a circular arc shape.

Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.

Abstract: A display device, including a folding region, and first and second non-folding regions at opposing sides of the folding region, includes: a display module; a support member on the display module; and a bonding layer between the display module and the support member. The support member includes a first support member in the first non-folding region and a part of the folding region, and a second support member in the second non-folding region and a part of the folding region. The bonding layer is over the folding region and the first and second non-folding regions. The bonding layer includes first to third portions in the first non-folding region, in the second non-folding region, and in the folding region, respectively. Adhesive force of the first portion to the support member is less than adhesive force of the second portion to the first support member or the second support member.

Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.

Abstract: A display apparatus includes: a flexible display panel including a first display area, a second display area which is spaced apart from the first display area, and a folding area between the first display area and the second display area; a first supporting part under the flexible display panel corresponding to the first display area; a second supporting part under the flexible display panel corresponding to the second display area; and a first adhesive layer between the flexible display panel and the first and second supporting parts in the first display area, the second display area, and the folding area, and attached to the first and second supporting parts.

Abstract: A display device reduces or minimizes a stress received by a display panel in a folded state. The display device includes a display panel including a bendable area; and a panel support portion combined to the display panel and including a multi-joint member to support the bendable area, and the multi-joint member includes a plurality of joint portions sequentially arranged in a first direction and combined to each other to rotate with respect to one another, and at least one of the joint portions includes an elastic plate at an edge of a support side arranged toward the bendable area.

Abstract: A display device reduces or minimizes a stress applied to a display panel in a folded state. The display device includes a display panel including a bendable area; and a panel support portion combined to the display panel and including a multi-joint member to support the bendable area, and the multi-joint member includes: a plurality of hard material portions sequentially arranged in a first direction, mutually combined to be rotated with respect to one another, and including a first surface arranged toward the bendable area; and a soft material portion contacting the first surface and fixed to the plurality of hard material portions.

Abstract: A foldable display device according to an exemplary embodiment includes: a display panel; a pair of rear surface supporters supporting a rear surface of the display panel; a fastener fastening the pair of rear surface supporters; and a pair of pivots respectively connecting the fastener and the pair of rear surface supporters, wherein a position of the pivot is determined by an equation below. Dh=Dm?(2×Oh)??[Equation] Here, Dm represents an interval when the pair of rear surface supporters are folded in parallel, Dh represents a horizontal distance between centers of the pair of pivots, Oh represents an offset of the pivot, and the offset of the pivot is a value obtained by subtracting an upper surface height of the rear surface supporter when the rear surface.

Abstract: A display device reduces or minimizes a stress applied to a display panel in a folded state. The display device includes a display panel including a bendable area; and a panel support portion combined to the display panel and including a multi-joint member to support the bendable area, and the multi-joint member includes: a plurality of hard material portions sequentially arranged in a first direction, mutually combined to be rotated with respect to one another, and including a first surface arranged toward the bendable area; and a soft material portion contacting the first surface and fixed to the plurality of hard material portions.

Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5), where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.

Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5) where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.

Abstract: A foldable display device may include a display panel, first-set light control members, and second-set light control members. The display panel may include a first display portion, a second display portion, and a folding portion disposed between the first display portion and the second display portion. The first-set light control members may overlap the first display portion and may extend parallel to each other. The second-set light control members may overlap the second display portion and may extend parallel to each other.

Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5) where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.

Abstract: A display device includes: a panel assembly including a display panel; a bracket to which the panel assembly is attached; and a buffer layer between the panel assembly and the bracket, and the buffer layer includes: a first portion having a first elastic modulus; and a second portion surrounded by the first portion and having a second elastic modulus that is less than the first elastic modulus.

Abstract: A display device reduces or minimizes a stress received by a display panel in a folded state. The display device includes a display panel including a bendable area; and a panel support portion combined to the display panel and including a multi-joint member to support the bendable area, and the multi-joint member includes a plurality of joint portions sequentially arranged in a first direction and combined to each other to rotate with respect to one another, and at least one of the joint portions includes an elastic plate at an edge of a support side arranged toward the bendable area.