Abstract:
The present invention relates to a separation membrane having both antibiotic and hydrophilic properties for water treatment and a preparation method thereof. In the separation membrane of the present invention, since an organic compound (antimicrobial and/or hydrophilic compound) is chemically conjugated to non-metal inorganic nanoparticles or metal nanoparticles, the nanoparticles are not eluted from the separation membrane even when the separation membrane is used for water treatment for a long period of time, so that the separation membrane may continuously maintain antimicrobial properties and high water permeability, is safe to the human body even when used for the treatment of drinking water, such as water purification, and exhibits characteristics in which stain resistance is also significantly enhanced due to antimicrobial and hydrophilic properties, which have been continuously imparted. Furthermore, high mechanical strength is exhibited by a metal or inorganic nanofiller introduced.
Abstract:
A display device according to an embodiment of the present disclosure, comprising a display, a wireless communication interface for Bluetooth connection with a wireless device and a control unit configured to: in a state where a Bluetooth connection is established with the wireless device, receive a device switching request requesting a Bluetooth connection to another display device is received, transmit a first Bluetooth information of the display device the other display device according to the received device switching request, and disconnect the Bluetooth connection with the wireless device.
Abstract:
A refrigerator door includes an outer plate that is made of metal and defines a front surface of the refrigerator door, a door liner that is coupled to the outer plate and defines a rear surface of the refrigerator door, an insulator disposed in a space defined between the outer plate and the door liner and made of polyurethane, and a foam cushion disposed at a rear surface of the outer plate and configured to expand or contract based on a change of a volume of the insulator.
Abstract:
A refrigerator door includes an outer plate that is made of metal and defines a front surface of the refrigerator door, a door liner that is coupled to the outer plate and defines a rear surface of the refrigerator door, an insulator disposed in a space defined between the outer plate and the door liner and made of polyurethane, and a foam cushion disposed at a rear surface of the outer plate and configured to expand or contract based on a change of a volume of the insulator.
Abstract:
A display device is provided to adjust sound balance between an internal speaker of the display device and an external speaker connected with the display device such that a user effectively feels a 3D sound effect. The display device includes a display, an audio output unit configured to output a sound, a wireless communication unit connected with at least one external speaker, and a controller configured to adjust speaker balance between the sound output from the audio output unit and a sound output from the external speaker.
Abstract:
An air conditioner is provided that may include a main body having an air inlet and an air outlet; a filter received in the main body to filter air; a heat exchanger configured to allow heat exchange between a refrigerant and air suctioned into the main body; and a lamp module configured to radiate ultraviolet (UV) rays and infrared (IR) rays to the heat exchanger. The lamp module may include a porous main body, a plurality of UV lamps, and a plurality of IR lamps. The plurality of UV lamps and the plurality of IR lamps may be arranged in parallel on one surface of the porous main body at predetermined intervals.
Abstract:
An ultraviolet (UV) sterilization lamp, a UV sterilization module, and an air conditioner including a UV sterilization module are provided. The UV sterilization lamp may include a lamp body having an outer diameter defined by an outer surface thereof, an inner diameter defining an internal space, and a length that extends at least in a lengthwise direction of the UV sterilization lamp; an emission material that fills the internal space so as to generate at least UV rays; and an external electrode provided on the outer surface of the lamp body so as to discharge the emission material. The inner diameter of the lamp body may be at least about 0.7 mm.