Abstract: Disclosed herein are a display apparatus which includes an image processor configured to analyze a histogram of image data including at least one of a white color level and a black color level to determine a color level range and a controller configured to set a display mode or to convert the color level range based on the determined color level range.

Abstract: Disclosed is a wearable electronic device including a movable connection terminal that is set back from an opening of a body housing when no external device is connected, and moves towards the opening when the external device approaches. The electronic device includes a body; a connection terminal located inside the body and provided to be movable from the inside towards a surface of the body; and a movable part coupled to or integrated with the connection terminal. The movable part may move the connection terminal towards the surface when a magnet of the external device approaches.

Abstract: A display apparatus, a display system having the same, and a method for setting an ID thereof are provided. The method for setting an ID of a display system including a plurality of display apparatuses includes: determining, by a first display apparatus from among the plurality of display apparatuses, whether a second display apparatus from among the plurality of display apparatuses is connected thereto; in response to determining that the second display apparatus is connected thereto, determining, by the first display apparatus, an ID of the second display apparatus based on a set ID of the first display apparatus; and transmitting, from the first display apparatus to the second display apparatus, an ID setting command including the determined ID of the second display apparatus.

Abstract: Disclosed is an electrochemical biosensor having a sample introduction channel in which an insulator is employed to introduce a small amount of a sample uniformly and accurately and to adjust an area of a working electrode, thereby guaranteeing the accurate quantitative analysis of a sample. Provided with a sample collection barrier at a sample entrance, the biosensor allows a sample to be introduced at higher accuracy and to be analyzed with higher reproducibility and reliability.

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel, a photonic crystal array which is arranged on at least one side of the display panel and displays an image based on an applied voltage, an electrode which applies voltage to the photonic crystal array, and a controller which controls so that voltage is applied to the photonic crystal array based on image information displayed on the display panel.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface configured to communicate with a plurality of image input devices, a display configured to display a plurality of images provided by the plurality of image input devices on a single screen, a storage configured to store screen scale information of the plurality of image input devices, a sensor configured to sense a touch input on one image of the plurality of images, and a controller configured to convert actual touch coordinate values of an entire screen of the display into relative touch coordinate values corresponding to an image input device which provides a touched image in which the touch input is sensed, according to the screen scale information of the image input device which provides the touched image in response to the touch operation being sensed, and transmit the converted relative touch coordinate values to the image input device which provides the touched image.

Abstract: A display apparatus and control method are provided. The display apparatus includes a transparent display panel, an image processor that processes an image signal to display an image on the transparent display panel based on the processed image signal, a sensor which senses a user located in front of and behind the transparent display panel. The display apparatus includes a controller that determines by the sensor whether a user is located in front of, or behind, the transparent display panel if the image is displayed on the transparent display panel to be normally recognized by a user located in front of the transparent display panel. The controller controls the image processor to selectively display on the transparent display panel a reverse image of the image to be normally recognized by a user located behind the transparent display panel according to the determination.

Abstract: A cable connector device for an electronic device is provided. The electronic device includes a connector port disposed in the electronic device, one or more magnet coupling parts, each of the one or more magnet coupling parts which is disposed around the connector port, a cable connector device removably coupled to the connector port, and one or more magnet coupling bodies, each of the one or more magnet coupling bodies which is installed in the cable connector device and has the same polarity as that of each of the one or more magnet coupling parts, wherein each of the one or more magnet coupling parts and each of one or more magnet coupling bodies are disposed in positions where they are pushed by repulsive force when the cable connector device is mounted in a reverse direction.

Abstract: An electronic label electronically displaying information, and a display control method of the electronic label. The electronic label includes a first display configured to have front and back surfaces with polarizing filters attached on the both surfaces, respectively, and display, on the front surface, information that is able to be seen with bare eyes, a second display configured to have front and back surfaces with a polarizing filter attached only on the back surface, and display, on the front surface, information that is unable to be seen with bare eyes, a communication module configured to communicate with a server or a gateway, a memory configured to store information received through the communication module, and a controller configured to control operations of the first display and the second display.

Abstract: A cable connector device for an electronic device is provided. The electronic device includes a connector port disposed in the electronic device, one or more magnet coupling parts, each of the one or more magnet coupling parts which is disposed around the connector port, a cable connector device removably coupled to the connector port, and one or more magnet coupling bodies, each of the one or more magnet coupling bodies which is installed in the cable connector device and has the same polarity as that of each of the one or more magnet coupling parts, wherein each of the one or more magnet coupling parts and each of one or more magnet coupling bodies are disposed in positions where they are pushed by repulsive force when the cable connector device is mounted in a reverse direction.

Abstract: Disclosed is a wearable electronic device including a movable connection terminal that is set back from an opening of a body housing when no external device is connected, and moves towards the opening when the external device approaches. The electronic device includes a body; a connection terminal located inside the body and provided to be movable from the inside towards a surface of the body; and a movable part coupled to or integrated with the connection terminal. The movable part may move the connection terminal towards the surface when a magnet of the external device approaches.

Abstract: An electronic device having a microphone device is provided. The electronic device includes at least one case frame which forms the external appearance of the electronic device, at least one microphone device which is disposed in the at least one case frame, and at least one microphone hole which is formed in a position corresponding to the at least one microphone device of the at least one case frame, and is disposed in a region which is not visually exposed in the at least one case frame.

Abstract: A cable connector device for an electronic device is provided. The electronic device includes a connector port disposed in the electronic device, one or more magnet coupling parts, each of the one or more magnet coupling parts which is disposed around the connector port, a cable connector device removably coupled to the connector port, and one or more magnet coupling bodies, each of the one or more magnet coupling bodies which is installed in the cable connector device and has the same polarity as that of each of the one or more magnet coupling parts, wherein each of the one or more magnet coupling parts and each of one or more magnet coupling bodies are disposed in positions where they are pushed by repulsive force when the cable connector device is mounted in a reverse direction.

Abstract: A display apparatus, a display system having the same, and a method for setting an ID thereof are provided. The method for setting an ID of a display system including a plurality of display apparatuses includes: determining, by a first display apparatus from among the plurality of display apparatuses, whether a second display apparatus from among the plurality of display apparatuses is connected thereto; in response to determining that the second display apparatus is connected thereto, determining, by the first display apparatus, an ID of the second display apparatus based on a set ID of the first display apparatus; and transmitting, from the first display apparatus to the second display apparatus, an ID setting command including the determined ID of the second display apparatus.

Abstract: A unit thermionic electric converter. The unit thermionic electric converter includes a case having a first end portion and a second end portion; a working fluid disposed inside the case; a solid electrolyte dividing the inside of the case; a first electrode disposed on a surface of the solid electrolyte; and a second electrode disposed on another surface of the solid electrolyte; wherein the first end portion and the second end portion are alternately heated by a heat source.

Abstract: A display apparatus is provided. The display apparatus includes a communication interface configured to communicate with a plurality of image input devices, a display configured to display a plurality of images provided by the plurality of image input devices on a single screen, a storage configured to store screen scale information of the plurality of image input devices, a sensor configured to sense a touch input on one image of the plurality of images, and a controller configured to convert actual touch coordinate values of an entire screen of the display into relative touch coordinate values corresponding to an image input device which provides a touched image in which the touch input is sensed, according to the screen scale information of the image input device which provides the touched image in response to the touch operation being sensed, and transmit the converted relative touch coordinate values to the image input device which provides the touched image.

Abstract: An image adjusting apparatus is provided. The image adjusting apparatus includes: a first interface configured to be connected to a plurality of display apparatuses; a second interface configured to be connected to a calibrator; and a controller configured to generate a plurality of different patch images and provide the generated plurality of different patch images to each of the plurality of display apparatuses through the first interface.

Abstract: A solid electrolyte is disclosed. The solid electrolyte includes a main portion that includes ?-alumina or ??-alumina, and an edge portion integrally provided with the main portion. The edge portion has a mixed portion that includes ?-alumina and includes ? alumina or ??-alumina. A concentration gradient of the ?-alumina in the edge portion decreases in a first direction from the edge portion to the main portion.

Abstract: An electronic device having a microphone device is provided. The electronic device includes at least one case frame which forms the external appearance of the electronic device, at least one microphone device which is disposed in the at least one case frame, and at least one microphone hole which is formed in a position corresponding to the at least one microphone device of the at least one case frame, and is disposed in a region which is not visually exposed in the at least one case frame.

Abstract: An electrode structure and an electrochemical cell including the electrode structure are provided. The electrode structure includes a porous three-dimensional (3D) outer net including an interconnected plurality of outer metal lines that define a plurality of outer holes between adjacent ones of the outer metal lines. The outer metal lines include a porous 3D inner net, a first layer coating the inner net, and a second layer coating the first layer. The inner net includes an interconnected plurality of inner metal lines that define a plurality of inner holes between adjacent ones of the inner metal lines. The inner metal lines include a first metal. The first layer includes a second metal. The second layer includes a third metal.