Abstract: Provided is a resistive-switching memory containing a positive electrode, a negative electrode and a resistive switching layer provided between the positive electrode and the negative electrode, the resistance of which is switched by an applied voltage, wherein the resistive switching layer contains a compound of the chemical formula (A?)2An?1BnX3n+1, wherein A? is an ammonium ion having an asymmetric structure and containing a phenyl group, A is a monovalent metal ion and X is a halogen ion, the A? has an asymmetric ion distribution which may be rotated by an applied electric field, and n is a value between 1 and ?.

Abstract: Disclosed are a method for producing a photoresponsive automatic color change precursor and a photoresponsive automatic color change element, and a photoresponsive automatic color change element produced thereby. A method for producing a photoresponsive automatic color change precursor and a photoresponsive automatic color change element, and a photoresponsive automatic color change element produced thereby according to the present invention are characterized in that the method includes a step for adding or adsorbing a ligand material to a reducing color change material, a semiconductor material, or an electron transfer material to produce a reducing color change mixture that changes color through a photoresponse.

Abstract: A flexible display device includes: a display panel which display an image, and includes a first folding region folded or unfolded around a first folding axis, and first and second non-folding regions respectively located at both sides of the first folding region; and a cover window which is on the display panel, and includes a first cover portion having a first hardness and a second cover portion having a second hardness less than the first hardness, wherein the first cover portion is located corresponding to an outer folding portion a display surface of which is exposed to an outside.

Abstract: An organic light emitting diode display device includes a substrate including a red pixel region, a green pixel region, and a blue pixel region; a driving thin film transistor and a light emitting diode which are in each of the red pixel region, the green pixel region, and the blue pixel region; and a cholesteric liquid crystal (CLC) layer having an infrared radiation (IR) wavelength in a transmission direction of light emitted from the light emitting diode, wherein the IR wavelength is in a range of 800 nm to 1,100 nm, and the CLC layer has a reflection wavelength of 400 nm to 700 nm at a viewing angle of 40° to 60°.

Abstract: Provided is a resistive-switching memory containing a positive electrode, a negative electrode and a resistive switching layer provided between the positive electrode and the negative electrode, the resistance of which is switched by an applied voltage, wherein the resistive switching layer contains a compound of the chemical formula (A?)2An?1BnX3n+1, wherein A? is an ammonium ion having an asymmetric structure and containing a phenyl group, A is a monovalent metal ion and X is a halogen ion, the A? has an asymmetric ion distribution which may be rotated by an applied electric field, and n is a value between 1 and ?.

Abstract: An organic light-emitting diode (OLED) display device includes a substrate; a light-emitting diode including a first electrode, an organic emitting layer and a second electrode and disposed on a first side of the substrate; and a foamed polymer layer disposed on a second side of the substrate and including a polymer resin and an air pocket inside the polymer resin.

Abstract: A flexible display device includes: a display panel which display an image, and includes a first folding region folded or unfolded around a first folding axis, and first and second non-folding regions respectively located at both sides of the first folding region; and a cover window which is on the display panel, and includes a first cover portion having a first hardness and a second cover portion having a second hardness less than the first hardness, wherein the first cover portion is located corresponding to an outer folding portion a display surface of which is exposed to an outside.

Abstract: The present disclosure relates to a display device including a display panel on which an image is displayed, a polarizer disposed on the display panel, a lower fluorescent filter disposed on the polarizer, and an upper fluorescent filter disposed on the lower fluorescent filter. The present disclosure may improve visibility when an image is displayed on the display device and light of a laser pointer in a visible light region is emitted thereto by absorbing the light using the upper and lower fluorescent filters, converting the light into light in a long wavelength band, which is a higher wavelength band than that of the absorbed light, and emitting the light in the long wavelength band.

Abstract: An organic light emitting diode display device includes a substrate including a red pixel region, a green pixel region, and a blue pixel region; a driving thin film transistor and a light emitting diode which are in each of the red pixel region, the green pixel region, and the blue pixel region; and a cholesteric liquid crystal (CLC) layer having an infrared radiation (IR) wavelength in a transmission direction of light emitted from the light emitting diode, wherein the IR wavelength is in a range of 800 nm to 1,100 nm, and the CLC layer has a reflection wavelength of 400 nm to 700 nm at a viewing angle of 40° to 60°.

Abstract: An organic light-emitting diode (OLED) display device includes a substrate; a light-emitting diode including a first electrode, an organic emitting layer and a second electrode and disposed on a first side of the substrate; and a foamed polymer layer disposed on a second side of the substrate and including a polymer resin and an air pocket inside the polymer resin.

Abstract: The present disclosure relates to a display device including a display panel on which an image is displayed, a polarizer disposed on the display panel, a lower fluorescent filter disposed on the polarizer, and an upper fluorescent filter disposed on the lower fluorescent filter. The present disclosure may improve visibility when an image is displayed on the display device and light of a laser pointer in a visible light region is emitted thereto by absorbing the light using the upper and lower fluorescent filters, converting the light into light in a long wavelength band, which is a higher wavelength band than that of the absorbed light, and emitting the light in the long wavelength band.