Abstract: In an embodiment a power supply system includes a low voltage DC/DC converter (LDC) configured to convert a high voltage into a low voltage, a main battery configured to be charged by the LDC and to supply power to a junction block divided into an essential load part and a general load part, a control block comprising a first power switch configured to control power between the LDC and the junction block, a second power switch configured to control the power between the main battery and the junction block, and a load switch configured to selectively cut off the power to the general load part and an auxiliary battery configured to selectively supply power to an auxiliary junction block.

Abstract: A method for manufacturing a graphene thin film for a pellicle material using ozone gas includes a graphene forming step of forming graphene on an upper surface of a substrate, an ozone treatment step of exposing the graphene layer formed in the graphene forming step to ozone, and an etching step of heat-treating and etching the ozone-treated graphene layer.

Abstract: A method for manufacturing the pellicle includes the steps of forming upper and lower silicon nitride layers on opposite surfaces of a wafer substrate, forming a metal layer on the lower silicon nitride layer, etching the upper silicon nitride layer to a preset thickness after the forming of the metal layer, etching and removing the metal layer after the etching of the upper silicon nitride layer, forming a graphene thin film on the upper silicon nitride layer, forming a pattern on the lower silicon nitride layer, etching the lower silicon nitride layer according to the formed pattern, and etching the wafer substrate along the lower silicon nitride layer etched according to the pattern.

Abstract: A touch sensing device includes a base layer, a touch electrode layer, a first reinforcing member, and a touch circuit board. The base layer includes a main area and a protruding area protruding from the main area in a first direction. The touch electrode layer is disposed on a surface of the base layer. The first reinforcing member is disposed on a surface of the protruding area. The touch circuit board is electrically connected to the touch electrode layer. The protruding area includes a bending area and a pad area. The bending area is bent downward. The pad area extends from the bending area in the first direction and overlaps the base layer in a second direction intersecting the first direction in a bent state of the bending area. The touch circuit board is attached to the pad area.

Abstract: Provided is a fingerprint authentication device comprising a biometric sensor that senses biometric information to generate a sensing signal; an image processor that extracts a calibration function based on calibration data and generates a fingerprint image based on the calibration function and the sensing signal; and an authenticator that performs fingerprint authentication by comparing the fingerprint image and registered fingerprint information. The calibration data includes information on a calibration coefficient of the calibration function.

Abstract: The present invention relates to a portable device for measuring skin condition and a skin condition diagnosis and management system using same. The device for measuring skin condition according to the present invention is a portable type of device that can be easily carried by a user, and when an image of a user's face is captured, can acquire a clear image of the entire face of the user by effectively controlling the user's face position.

Abstract: Provided is a fingerprint authentication device comprising a biometric sensor that senses biometric information to generate a sensing signal; an image processor that extracts a calibration function based on calibration data and generates a fingerprint image based on the calibration function and the sensing signal; and an authenticator that performs fingerprint authentication by comparing the fingerprint image and registered fingerprint information. The calibration data includes information on a calibration coefficient of the calibration function.

Abstract: According to various embodiments, a wrinkle detection service providing server for providing a wrinkle detection method based on an artificial intelligence may include a data pre-processor for obtaining a skin image of a user from a skin measurement device and performing pre-processing based on feature points based on the skin image; a wrinkle detector for inputting the skin image pre-processed through the data pre-processing into an artificial neural network and generating a wrinkle probability map corresponding to the skin image; a data post-processor for post-processing the generated wrinkle probability map; and a wrinkle visualization service providing unit for superimposing the post-processed wrinkle probability map on the skin image and providing a wrinkle visualization image to a user terminal of the user.

Abstract: According to one aspect of the invention, a circuit board for a display device includes: a first layer; a first lead line disposed on the first layer; and a sound generator disposed on the first layer, and the sound generator including: a first electrode to receive a first driving voltage; a second electrode to receive a second driving voltage; and a second layer disposed between the first electrode and the second electrode to contract or expand according to the first driving voltage and the second driving voltage; and a first solder to electrically communicate the first lead line and the first electrode.

Abstract: According to various embodiments, an image analysis server for determining whether an image is suitable for skin analysis may include a DB management unit for obtaining a captured image from a skin measurement device and storing the captured image; a user detector for detecting a user's face based on the obtained image; an image suitability determination unit for determining whether the obtained image is suitable for skin analysis; a skin analyzer for analyzing skin corresponding to the detected user's face based on the image determined to be suitable for skin analysis; and a service providing unit for calculating a skin score according to the analysis and providing the calculated skin score to a user terminal.

Abstract: According to various embodiments, a pore visualization service providing server based on artificial intelligence may include a data pre-processor for obtaining a user's face image captured by a user terminal from the user terminal and performing pre-processing based on facial feature points based on the face image; a pore image extractor for generating a pore image corresponding to the user's face image by inputting the user's face image that has been pre-processed through the data pre-processing into an artificial neural network; a data post-processor for post-processing the generated pore image; and a pore visualization service providing unit for superimposing the post-processed pore image on the face image and transmitting a pore visualization image to the user terminal.

Abstract: According to various embodiments, a wrinkle detection service providing server for providing a wrinkle detection method based on an artificial intelligence may include a data pre-processor for obtaining a skin image of a user from a skin measurement device and performing pre-processing based on feature points based on the skin image; a wrinkle detector for inputting the skin image pre-processed through the data pre-processing into an artificial neural network and generating a wrinkle probability map corresponding to the skin image; a data post-processor for post-processing the generated wrinkle probability map; and a wrinkle visualization service providing unit for superimposing the post-processed wrinkle probability map on the skin image and providing a wrinkle visualization image to a user terminal of the user.

Abstract: A user-customized skin diagnosis system includes: a portable skin condition measurement device for photographing a face of a user in a contactless manner; and a skin analysis device that receives an image of the user's face photographed from the portable skin condition measurement device, analyzes the received image for at least one skin analysis item based on preset image processing and deep learning, and generates and displays skin diagnosis information and customized recommendation information according to the analyzed result.

Abstract: A display device includes: a display panel including a substrate and a pixel array layer disposed on a surface of the substrate; a sound generation device disposed on an opposing surface opposite to the surface of the substrate; and a set cover including a plurality of ribs which overlap the sound generation device in a thickness direction of the display panel. The sound generation device vibrates the display panel to output a sound.

Abstract: A skin condition measuring module according to the present invention can be designed to effectively diagnose a user's skin condition while being installed within or connected with: a kiosk; a skin condition measuring mirror; a vending machine for performing skin condition measurement and providing cosmetic products; or a module-embedded skin condition measuring device.

Abstract: The present invention relates to a device for skin condition measurement and skin care, and a system for skin condition measurement and skin care comprising same. More particularly, the present invention relates to a device for skin condition measurement and skin care, and a system for skin condition measurement and skin care comprising same which are designed to measure the skin condition and provide a guide for the type of skin care equipment, located in an inner space, and the instructions therefor.

Abstract: A display device including a display panel having a display area and a non-display area disposed around the display area; a touch sensor disposed on the display panel, the touch sensor comprising a sensing area corresponding to the display area, a peripheral area corresponding to the non-display area, and a pad unit disposed on a part of the peripheral area; a flexible printed circuit board disposed on the touch sensor in the peripheral area and connected to the pad unit; a polarization layer disposed on the touch sensor and a part of the flexible printed circuit board; and a printed layer disposed on at least an area between the flexible printed circuit board and the sensing area.

Abstract: A display device includes: a display panel; a fingerprint sensor which is disposed on a surface of the display panel and senses a user's fingerprint by emitting ultrasonic waves; and a first vibrator which is disposed on a surface of the fingerprint sensor and generates vibrations based on driving voltages applied thereto.

Abstract: A display device may include: a display panel; a vibration generating device disposed on one surface of the display panel, the vibration generating device configured to generate vibration to be transmitted to the display panel; a panel bottom member disposed between the display panel and the vibration generating device; and a vibration transmitting member disposed in the panel bottom member to at least partially overlap with the vibration generating device in plan view.

Abstract: A display device including a display panel having a display area and a non-display area disposed around the display area; a touch sensor disposed on the display panel, the touch sensor comprising a sensing area corresponding to the display area, a peripheral area corresponding to the non-display area, and a pad unit disposed on a part of the peripheral area; a flexible printed circuit board disposed on the touch sensor in the peripheral area and connected to the pad unit; a polarization layer disposed on the touch sensor and a part of the flexible printed circuit board; and a printed layer disposed on at least an area between the flexible printed circuit board and the sensing area.