According to various embodiments of the disclosure, an electronic device may include: a housing, a flexible display, and a roller unit. The flexible display may include a first portion, a second portion extending from the first portion in a first direction, and a third portion extending from the second portion. The second portion may be drawn into the inside of a first housing by sliding of a second housing in the first direction when the electronic device is converted from a second state to a first state, and may be drawn out from the inside of the first housing by sliding of the second housing in a second direction opposite to the first direction when the electronic device is converted from the first state to the second state. The third portion may be fixed to a flat region of the third section in the first state.

According to various embodiments of the disclosure, an electronic device may include: a housing, a display viewable to the outside of the electronic device, wherein the display includes a plurality of layers at least one of which includes an opening area, an optical sensor at least a portion of which is disposed in the opening area, and a printed pattern disposed to correspond to the opening area and having a ring shape, wherein the printed pattern may be disposed on a top surface or a bottom surface of a first layer that does not include the opening area among the plurality of layers, and wherein a portion of the ring shape may have a first height, and a remaining portion of the ring shape may have a second height higher than the first height.

An optical laminate includes two substrates each of which has a tensile modulus in a range from 2,000 MPa to 7,500 MPa, and an adhesive layer interposed between the substrates. A storage modulus at 25° C. of the adhesive layer is 100 kPa or less, and a storage modulus at −20° C. of the adhesive layer is equal to or less than three times the storage modulus at 25° C. of the adhesive layer. The optical laminate and an image display device including the optical laminate may have an improved flexible property at various temperature ranges and may be capable of minimizing cracks when being bent.

An optical laminate includes two substrates each of which has a tensile modulus in a range from 2,000 MPa to 7,500 MPa, and an adhesive layer interposed between the substrates. A storage modulus at 25° C. of the adhesive layer is 100 kPa or less, and a storage modulus at −20° C. of the adhesive layer is equal to or less than three times the storage modulus at 25° C. of the adhesive layer. The optical laminate and an image display device including the optical laminate may have an improved flexible property at various temperature ranges and may be capable of minimizing cracks when being bent.

The present invention relates to biocide-composites providing high retention of biocides in glueline-treated glued-wood products that are hot-pressed or hot-pressed and block-stacked during manufacture.

The present invention relates to biocide-composites providing high retention of biocides in glueline-treated glued-wood products that are hot-pressed or hot-pressed and block-stacked during manufacture.

Systems and methods are provided for simulating traction power and control in transportation systems under design conditions and/or utilizing real-time data.

Systems and methods are provided for simulating traction power and control in transportation systems under design conditions and/or utilizing real-time data.

The present disclosure relates to a display device including a piezoelectric film type actuator, the display device having a structure in which a groove is provided in a rear surface of a metal layer for supporting and encapsulate a rear surface of a display panel and the piezoelectric film type actuator is disposed in the groove. Accordingly, the display device may reduce the overall thickness and improve heat dissipation performance.

The present invention provides a method for manufacturing a conductive film, comprising the steps of: applying, to a substrate, a conductive paste dispersed in an organic material and comprising metal particles and Fe—B—Cu—C alloy magnetic heating element particles; and selectively sintering the applied conductive paste by means of induction heating so as to form a conductive film, wherein the magnetic heating element particles are implemented with crystallized Fe—B—Cu—C alloy particles. Therefore, it is possible to selectively form a conductive adhesive layer by sintering through induction heating. In addition, it is possible to produce an adhesive capable of low-temperature bonding by forming a magnetic heating element having crystal grains with a large coercive force through heat treatment after formation of an alloy.