Abstract: A method for forming a semiconductor die, includes forming an interlayer dielectric layer on a substrate having a semiconductor die region, a seal-ring region, and a scribe line region, forming a metal pad and a test pad on the interlayer dielectric layer, forming a passivation dielectric layer on the interlayer dielectric layer, the metal pad, and the test pad, first etching the passivation dielectric layer and the interlayer dielectric layer existing between the seal-ring region and the scribe line region to a predetermined depth using a plasma etching process, second etching the passivation dielectric layer to expose the metal pad and the test pad, forming a bump on the metal pad, and dicing the substrate while removing the scribe line region by mechanical sawing.

Abstract: The present disclosure provides a novel compound represented by the following Chemical Formula 1, and an organic light emitting device including the same: wherein A1 to A4, X, Y, and n are described herein.

Abstract: A display device includes: a light source unit including a plurality of light sources; a cover bottom including a horizontal surface on which the plurality of light sources are seated, and a side surface bent along an edge of the horizontal surface; an optical unit on the light source unit; a display panel on the optical unit; a first module film being transparent, supporting a back surface of the optical unit, and including a first edge portion attached to and fixed to an outer side of the side surface of the cover bottom; and a second module film being transparent, attached to a back surface of the display panel, and including a second edge portion attached to and fixed to an outer side of the edge portion.

Abstract: A display device includes: a light source unit including a plurality of light sources; a cover bottom including a horizontal surface on which the plurality of light sources are seated, and a side surface bent along an edge of the horizontal surface; an optical unit on the light source unit; a display panel on the optical unit; a first module film being transparent, supporting a back surface of the optical unit, and including a first edge portion attached to and fixed to an outer side of the side surface of the cover bottom; and a second module film being transparent, attached to a back surface of the display panel, and including a second edge portion attached to and fixed to an outer side of the edge portion.

Abstract: A light emitting diode display device includes a display panel including a light emitting diode for each sub-pixel defined on a substrate, and an optical cover window positioned to correspond to a transmission direction of a light emitted from the display panel and including a plurality of pyramid patterns, wherein the plurality of pyramid patterns each include an inner bevel surface corresponding to an arrangement error of the light emitting diodes.

Abstract: A self-powered delineator includes a wind-powered rotatable module; a first piezoelectric energy generator module for generating electrical energy; a second piezoelectric energy generator module for generating electrical energy; and a light-emitter. The wind-powered rotatable module includes one or more first magnets spacedly arranged around a rotation shaft. The first piezoelectric energy generator module includes one or more first piezoelectric elements, and one or more second magnets disposed on the at least one first piezoelectric element. The second piezoelectric energy generator module includes at least one elastic base extending radially from a fixed shaft in a cantilever manner; and at least one second piezoelectric element on the at least one elastic base.

Abstract: The present disclosure relates to a nanofiber structure for cell culture, a method for manufacturing the structure, and a cell analysis device including the nanofiber structure for cell culture. The structure includes a cell culture layer made of nanofibers; and a spacer protruding upward from a surface of the cell culture layer, wherein the spacer divides a region on the cell culture layer into at least two culturing regions, wherein the spacer is made of the same nanofibers as the cell culture layer and thus has a cell migration channel defined therein.

Abstract: Disclosed is a permeable membrane support having an attachable and detachable permeable membrane, the permeable membrane support comprising: a lower support; an upper support partially accommodated into the lower support; and a permeable membrane disposed between the lower support and the upper support. When the upper support and the lower support are engaged with each other in a snap-fit manner, the permeable membrane is sandwiched between a bottom opening of a cylindrical lower member of the upper support and a top face of a bottom support portion of the lower support.

Abstract: Disclosed is a permeable membrane support having an attachable and detachable permeable membrane, the permeable membrane support comprising: a lower support; an upper support partially accommodated into the lower support; and a permeable membrane disposed between the lower support and the upper support. When the upper support and the lower support are engaged with each other in a snap-fit manner, the permeable membrane is sandwiched between a bottom opening of a cylindrical lower member of the upper support and a top face of a bottom support portion of the lower support.

Abstract: Disclosed is a method for manufacturing a composite nanofiber support and a fish collagen/synthetic polymer nanofiber support manufactured by the method, wherein the method comprises: a first step for dissolving a synthetic polymer in an organic solvent; a second step for dissolving a fish collagen in water to prepare an aqueous fish collagen solution; a third step for adding the aqueous fish collagen solution prepared in the second step to the synthetic polymer solution prepared in the first step, followed by mixing; and a fourth step for electrospinning the mixture solution prepared in the third step to manufacture a nanofiber support.

Abstract: The present disclosure provides a method for producing a cell-culturing polyvinyl alcohol-based nanofiber structure, the method comprising: electrospinning an electrospun solution to form a nanofiber mat, wherein the electrospun solution contains polyvinyl alcohol (PVA), polyacrylic acid (PA) and glutaraldehyde (GA); crosslinking the nanofiber mat via a hydrochloric acid (HCl) vapor treatment; and treating the crosslinked nanofiber mat with dimethylformamide (DMF) solvent to crystallize the nanofiber mat.

Abstract: The present invention relates to a method of manufacturing a polycaprolactone nanostructure with improved cell adhesive ability containing fucoidan according to the present invention comprises dissolving fucoidan in glacial acetic acid as a solvent to obtain fucoidan-glacial acetic acid solution, mixing polycaprolactone with the fucoidan-glacial acetic acid solution to obtain a polycaprolactone-mixed solution, and manufacturing a nanostructure from the polycaprolactone-mixed solution by an electrospinning method. Therefore, a polycaprolactone nanostructure with improved cell adhesive ability containing fucoidan manufactured by the method according to the present invention exhibits characteristics of preventing fucoidan from being released from nanofibers by uniformly distributing fucoidan in the polycaprolactone nanostructure.

Abstract: A self-powered delineator includes a wind-powered rotatable module; a first piezoelectric energy generator module for generating electrical energy; a second piezoelectric energy generator module for generating electrical energy; and a light-emitter. The wind-powered rotatable module includes one or more first magnets spacedly arranged around a rotation shaft. The first piezoelectric energy generator module includes one or more first piezoelectric elements, and one or more second magnets disposed on the at least one first piezoelectric element. The second piezoelectric energy generator module includes at least one elastic base extending radially from a fixed shaft in a cantilever manner; and at least one second piezoelectric element on the at least one elastic base.

Abstract: An organic light-emitting diode display device can include a substrate including first, second and third sub-pixels, each of the first, second and third sub-pixels including an emission area and a non-emission area; a driving thin film transistor in the non-emission area of each of the first, second and third sub-pixels; a light-emitting diode connected to the driving thin film transistor; a polarizer at an outer surface of the substrate, the polarizer including a reflective polarizer; and a light control pattern disposed inside of the substrate and corresponding to the non-emission area, the light control pattern being configured to change a direction of light incident on the light control pattern.

Abstract: An organic light-emitting diode display device can include a substrate including first, second and third sub-pixels, each of the first, second and third sub-pixels including an emission area and a non-emission area; a driving thin film transistor in the non-emission area of each of the first, second and third sub-pixels; a light-emitting diode connected to the driving thin film transistor; a polarizer at an outer surface of the substrate, the polarizer including a reflective polarizer; and a light control pattern disposed inside of the substrate and corresponding to the non-emission area, the light control pattern being configured to change a direction of light incident on the light control pattern.

Abstract: Disclosed are a nanofiber mat, a manufacturing method thereof, and applications thereof as a mat for cell culturing or as a barrier membrane for guided bone regeneration (GBR). The nanofiber layer includes a nanofiber layer and a reinforcement pattern that is disposed on the nanofiber layer and adhesively connected with the nanofiber layer. The nanofiber layer and the reinforcement pattern are combined with each other by at least one of the melting-solidification of at least a part of the nanofiber layer together with the reinforcement pattern, the dissolution-solidification of the same, and the penetration of a part of the reinforcement pattern into the nanofiber layer, followed by solidification.

Abstract: The present invention relates to a method of manufacturing a polycaprolactone nanostructure with improved cell adhesive ability containing fucoidan according to the present invention comprises dissolving fucoidan in glacial acetic acid as a solvent to obtain fucoidan-glacial acetic acid solution, mixing polycaprolactone with the fucoidan-glacial acetic acid solution to obtain a polycaprolactone-mixed solution, and manufacturing a nanostructure from the polycaprolactone-mixed solution by an electrospinning method. Therefore, a polycaprolactone nanostructure with improved cell adhesive ability containing fucoidan manufactured by the method according to the present invention exhibits characteristics of preventing fucoidan from being released from nanofibers by uniformly distributing fucoidan in the polycaprolactone nanostructure.

Abstract: A liquid crystal display device in an example includes a light guide plate that includes a light entering surface facing a light source; a reflecting plate below the light guide plate; an optical sheet on the light guide plate; a liquid crystal panel on the optical sheet; and a pattern adhesive layer that attaches at least one of the reflecting plate and the optical sheet to the light guide plate, wherein the pattern adhesive layer includes honeycomb shaped unit patterns that each include two first separation walls facing each other in a first direction perpendicular to the light entering surface, and second separation walls other than the first separation walls and each have an air cell defined therein, and wherein the unit patterns are arranged in the first direction and in a second direction perpendicular to the first direction.

Abstract: Disclosed is a method for manufacturing a composite nanofiber support and a fish collagen/synthetic polymer nanofiber support manufactured by the method, wherein the method comprises: a first step for dissolving a synthetic polymer in an organic solvent; a second step for dissolving a fish collagen in water to prepare an aqueous fish collagen solution; a third step for adding the aqueous fish collagen solution prepared in the second step to the synthetic polymer solution prepared in the first step, followed by mixing; and a fourth step for electrospinning the mixture solution prepared in the third step to manufacture a nanofiber support.

Abstract: Disclosed is a method for manufacturing a composite nanofiber support and a fish collagen/synthetic polymer nanofiber support manufactured by the method, wherein the method comprises: a first step for dissolving a synthetic polymer in an organic solvent; a second step for dissolving a fish collagen in water to prepare an aqueous fish collagen solution; a third step for adding the aqueous fish collagen solution prepared in the second step to the synthetic polymer solution prepared in the first step, followed by mixing; and a fourth step for electrospinning the mixture solution prepared in the third step to manufacture a nanofiber support.