Abstract: A spiral phase plate, according to one embodiment, for generating a Laguerre Gaussian beam by reflecting an incident beam emitted from a light source, may comprise: a first quadrant area in which the step height increase rate per unit angle decreases progressively in one direction from the point with the lowest step height to the point with the highest step height; and a second quadrant area in which the step height increase rate per unit angle increases progressively in the one direction.

Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.

Abstract: The present invention relates to a polymer coagulant including methacrylamide in a preferred range and an enlarged graft copolymer prepared using same. The polymer coagulant provided in the present invention may enlarge a conjugated diene-based polymer to a suitable particle diameter range, and there are advantages of achieving excellent impact resistance and flowability of a graft copolymer prepared from the polymer.

Abstract: An electronic device is provided. The electronic device includes a microphone, a communication circuitry, an indicator configured to provide at least one visual indication, and a processor configured to be electrically connected with the microphone, the communication circuitry, and the indicator, and a memory. The memory stores instructions, when executed, cause the processor to receive a first voice input through the microphone, perform a first voice recognition for the first voice input, if a first specified word for waking up the electronic device is included in a result of the first voice recognition, display a first visual indication through the indicator, receive a second voice input through the microphone, perform a second voice recognition for the second voice input, and if a second specified word corresponding to the first visual indication is included in a result of the second voice recognition, wake up the electronic device.

Abstract: The present invention relates to a method of preparing an ABS graft copolymer and a method of preparing a thermoplastic resin composition including the ABS graft copolymer. More specifically, the present invention relates to a method of preparing an ABS graft copolymer, in which a predetermined amount of a vinyl aromatic compound and a predetermined amount of a vinyl cyanide compound are grafted to a small-diameter rubber latex before enlarging particle size of the small-diameter rubber latex is performed, and then enlarging particle size of the small-diameter rubber latex is performed by adding a certain amount of a polymer coagulant, and to a method of preparing a thermoplastic resin composition including the ABS graft copolymer. According to the present invention, latex stability may be improved, and an ABS graft copolymer having excellent impact resistance may be prepared.

Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.

Abstract: The present disclosure relates to a method for preparing a graft copolymer, a graft copolymer prepared therefrom, and a resin composition including the same. The method includes introducing a polymer coagulant latex including a polymer coagulant to a rubbery polymer latex including a rubbery polymer and coagulating the polymer coagulant latex to prepare an enlarged rubbery polymer latex containing an enlarged rubbery polymer, and introducing an aromatic vinyl-based monomer and a vinyl cyan-based monomer to the prepared enlarged rubbery polymer latex and performing graft polymerization to prepare a graft copolymer latex including a graft copolymer. The polymer coagulant includes an acid group-containing copolymer having a weight average molecular weight of 550,000 g/mol to 750,000 g/mol, and the content of the vinyl cyan-based monomer is 15 wt % to 24 wt % based on the total content of the aromatic vinyl-based monomer and the vinyl cyan-based monomer.

Abstract: Disclosed is a method of preparing a graft copolymer and a method of preparing a thermoplastic resin composition including the prepared graft copolymer. Also disclosed is a method of preparing a graft copolymer including a process of adding an aromatic vinyl monomer and a vinyl cyanide monomer to a conjugated diene rubber latex that is enlarged with a polymer particle diameter control agent that has a specific glass transition temperature and an average particle diameter in a specific ratio to an average particle diameter of a conjugated diene rubber latex, and graft-polymerizing the same; and a method of preparing a thermoplastic resin composition including the prepared graft copolymer. Also disclosed is a graft copolymer prepared using the conjugated diene rubber latex enlarged with the polymer particle diameter control agent exhibiting the synergistic effect of improving both impact strength and fluidity.

Abstract: An electronic device according to an embodiment includes a printed circuit board, a bracket, a pressure sensor, a touch screen display, a cover glass, a touch sensor, and a fingerprint sensor. Besides, it may be permissible to prepare various other embodiments speculated through the specification.

Abstract: Provided are an electronic device and a screen display method of the electronic device. More specifically, provided are an electronic device for providing an extension function to a second area according to a characteristic of a characteristic area in first and second areas of an extended touch screen, and a screen display method of the electronic device. Some of the disclosed embodiments provide an electronic device for providing an extension function to a second area according to a characteristic of a characteristic area of an application screen in first and second areas divided by a trigger in an extended touch screen. In addition thereto, various other embodiments are also possible.

Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.

Abstract: The disclosure describes a method in an electronic device. The electronic device comprises a memory, a communication unit, and a processor configured to control the communication unit to establish a network connection with a server after storing a image file in the memory, control the communication unit to transmit a image file to the server from the electronic device after establishing the network connection with the server, obtain a link information for downloading the image file from the server after establishing the network connection with the server, and after establishing the network connection with the server, replace the image file with a lower resolution image corresponding to the image file in the memory based at least on a memory capacity available in the memory.

Abstract: The present invention provides an acrylic copolymer coagulant which is a copolymer of a monomer mixture comprising a carboxylic acid-based monomer and an acrylic monomer, and a method of preparing a graft copolymer using the same. According to the present invention, a graft copolymer excellent in impact strength, surface gloss characteristics, and processability can be prepared.

Abstract: Provided is a method of preparing a graft polymer, which includes: polymerizing a monomer mixture comprising a carboxylic acid monomer and methyl acrylate, wherein the carboxylic acid monomer is included at 1.5 to 2.5 wt %, and thus preparing an acrylic coagulant having an average particle diameter of 60 to 70 nm; polymerizing diene-based monomers in the presence of an emulsifier containing a salt of a compound and thus preparing a first diene-based rubber polymer; enlarging the first diene-based rubber polymer using the acrylic coagulant and thus preparing a second diene-based rubber polymer; and graft-polymerizing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to the second diene-based rubber polymer and thus preparing a graft polymer.

Abstract: An electronic device according to various embodiments of the present invention comprises: a housing including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; a touch screen display disposed between the first surface and the second surface and exposed through the first surface; a pressure sensor disposed between the first surface and the second surface and configured to sense at least one pressure by an external object on the touch screen display; at least one processor electrically connected to the touch screen display and the pressure sensor; and a memory electrically connected to the processor, wherein the memory may store instructions which cause the processor to receive, from the pressure sensor, data indicating pressure by a user or the external object on the touch screen display, determine a rate of pressure change corresponding to a change of the pressure per unit time, and call a function on the basis of at least a part of at lea

Abstract: An electronic apparatus having a hole area and a controlling method of are provided. More particularly, an electronic apparatus having a hole area which may enlarge an image or application screen through analysis and a method for controlling a hole area of an electronic apparatus are provided. Some embodiments provide an electronic apparatus having a hole area, capable of analyzing an edge (or edge of an application screen) of an image and displaying on one of an entire area or a main area and a method for controlling a hole area of the electronic apparatus. In addition to above, various exemplary embodiments are available.

Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.

Abstract: An electronic device according to various embodiments of the present disclosure includes: a housing; a user interface exposed through a portion of the housing; at least one communication circuit configured to discover and connect to another electronic device wirelessly without an access point or a base station; at least one processor operatively connected with the user interface and the communication circuit; and a memory operatively connected with the processor, wherein, when being executed, the memory stores instructions that cause the processor to transmit a plurality of first beacon signals for wireless connection by using the communication circuit during first time periods, to detect at least one second beacon signal for wireless connection, transmitted from an external device, by using the communication circuit, during one period of second time periods which are different from the first time periods, to receive multimedia data from an external server after detecting the at least one second beacon signal

Abstract: The present invention relates to a polymer coagulant including methacrylamide in a preferred range and an enlarged graft copolymer prepared using same. The polymer coagulant provided in the present invention may enlarge a conjugated diene-based polymer to a suitable particle diameter range, and there are advantages of achieving excellent impact resistance and flowability of a graft copolymer prepared from the polymer.

Abstract: An electronic device according to an embodiment includes a printed circuit board, a bracket, a pressure sensor, a touch screen display, a cover glass, a touch sensor, and a fingerprint sensor. Besides, it may be permissible to prepare various other embodiments speculated through the specification.