Abstract: A positive electrode active material precursor having a uniform particle size distribution and represented by Formula 1, wherein a percentage of fine powder with an average particle diameter (D50) of 1 ?m or less is generated when the positive electrode active material precursor is rolled at 2.5 kgf/cm2 is less than 1%, and an aspect ratio is 0.93 or more, and a method of preparing the positive electrode active material precursor [NixCoyM1zM2w](OH)2 ??[Formula 1] in Formula 1, 0.5?x<1, 0<y?0.5, 0<z?0.5, and 0?w?0.1, M1 includes at least one selected from the group consisting of Mn and Al, and M2 includes at least one selected from the group consisting of Zr, B, W, Mo, Cr, Nb, Mg, Hf, Ta, La, Ti, Sr, Ba, Ce, F, P, S, and Y. A method of preparing the positive electrode active material precursor is also provided.

Abstract: An embodiment includes: a housing including an upper surface, a lower surface, an inner surface, and an outer surface located at the side opposite to the inner surface; a bobbin accommodated in the housing; a first coil disposed at an outer surface of the bobbin; a first magnet disposed at the outer surface of the housing; a second magnet disposed in the housing so as to be spaced apart from the first magnet; and a first position sensor disposed at the outer surface of the bobbin, wherein a first part of the housing is positioned between the second magnet and the inner surface of the housing.

Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.

Abstract: The present disclosure relates to a system and method for providing a smart communication device-based light therapy service in which a light therapy device is operated in conjunction with a smart communication device and an information providing server to perform a light therapy, and when a user purchases a lightceutical clinical code corresponding to a certain disease using the smart communication device, the information providing server generates the lightceutical clinical code of the disease containing a wavelength of light, an intensity of light, an irradiation time of light, and an irradiation pattern of light and sends the generated lightceutical clinical code to the smart communication device, and the smart communication device sends the received lightceutical clinical code to the light therapy device or generates a light therapy device control signal in accordance with the lightceutical clinical code and transmits the generated light therapy device control signal to the light therapy device to operat

Abstract: An apparatus includes a controller body configured to determine whether a light irradiation mode is selected and an operation is started through a user's manipulation, the controller body comprising a wireless transmission unit configured to transform an LED driving signal output according to the selected light irradiation mode into a radio signal and transmit the radio signal, and a wireless electrode probe configured to wirelessly receive the LED driving signal from the controller body by establishing wireless communication with the wireless transmission unit. The wireless electrode probe is configured to be driven by the LED driving signal received from the controller body to emit the light of a predetermined wavelength range, which increases concentration of a material for relaxing smooth muscles of a human body.

Abstract: The present invention relates to an implantable light therapy device which emits visible light in a specific wavelength band for a predetermined time period according to symptoms of a disease in a state in which the implantable light therapy device is fixed to a disease site, which occurs in tissue or an organ in the human body due to inflammation to suppress or reduce inflammation inducers (for example, interleukin 1 beta (IL-1?) and interleukin 18 (IL-18)). When the inflammation inducers (for example, IL-1? and IL-18) in a disease site generated due to the inflammation in the tissue or the organ of the human body are suppressed or reduced according to the present invention, inflammatory diseases (for example, Alzheimer's disease, Parkinson's disease, stroke, pancreatitis, rheumatoid arthritis) may be treated or prevented.

Abstract: The present invention relates to an implantable light therapy device which emits visible light in a specific wavelength band for a predetermined time period according to symptoms of a disease in a state in which the implantable light therapy device is fixed to a disease site, which occurs in tissue or an organ in the human body due to inflammation to suppress or reduce inflammation inducers (for example, interleukin 1 beta (IL-1?) and interleukin 18 (IL-18)). When the inflammation inducers (for example, IL-? and IL-18) in a disease site generated due to the inflammation in the tissue or the organ of the human body are suppressed or reduced according to the present invention, inflammatory diseases (for example, Alzheimer's disease, Parkinson's disease, stroke, pancreatitis, rheumatoid arthritis) may be treated or prevented.

Abstract: The present disclosure relates to a device and method for inducing improvement of cerebral circulation by using light energy, i.e., photo-innervated neuro-stimulation (PINS), and stimulating nerve endings distributed in the epidermis or dermis located below a skin surface in an area corresponding to the carotid artery or an area corresponding to the vertebral artery of the cervix so that blood vessels (vascular muscles) in the brain are relaxed. The present disclosure can be utilized in treating or preventing vascular dementia and Alzheimer's disease, which are caused by the lack of cerebral circulation, and various other brain-related diseases, such as stroke, migraine, depression, and Parkinson's disease, and improving learning ability, memory, and concentration.

Abstract: The present invention relates to a smartphone interface device for phototherapy which performs communication with a smartphone by using a micro controller unit (MCU) installed in the smartphone interface device for phototherapy and a universal serial bus on-the-go (USB OTG) module, and is capable of controlling a light beam irradiator more stably to enable the light beam irradiator to be driven. The present invention pertains to a smartphone interface device for phototherapy comprising: a micro controller unit (MCU) for receiving, from a smartphone, light beam irradiation intensity, light beam irradiation time, light beam irradiation pattern, and light beam irradiation start and end-relevant light beam irradiating electrode control commands, and generating a light source drive control signal according to the received light beam irradiating electrode control commands; a universal serial bus on-the-go (USB OTG) module; a voltage regulator; and a light beam irradiation drive unit.

Abstract: An apparatus includes a controller body configured to determine whether a light radiation mode is selected and an operation is started through a user's manipulation, the controller body comprising a wireless transmission unit configured to transform an LED driving signal output according to the selected light radiation mode into a radio signal and transmit the radio signal, and a wireless electrode probe configured to wirelessly receive the LED driving signal from the controller body by establishing wireless communication with the wireless transmission unit. The wireless electrode probe is configured to be driven by the LED driving signal received from the controller body to emit the light of a predetermined wavelength range, which increases concentration of a material for relaxing smooth muscles of a human body.

Abstract: The present disclosure relates to a system and method for providing a smart communication device-based light therapy service in which a light therapy device is operated in conjunction with a smart communication device and an information providing server to perform a light therapy, and when a user purchases a lightceutical clinical code corresponding to a certain disease using the smart communication device, the information providing server generates the lightceutical clinical code of the disease containing a wavelength of light, an intensity of light, an irradiation time of light, and an irradiation pattern of light and sends the generated lightceutical clinical code to the smart communication device, and the smart communication device sends the received lightceutical clinical code to the light therapy device or generates a light therapy device control signal in accordance with the lightceutical clinical code and transmits the generated light therapy device control signal to the light therapy device to operat

Abstract: An apparatus for relaxing smooth muscles of a human body, capable of directly radiating light having a predetermined wavelength range for inducing relaxation of the smooth muscles onto acupuncture points related to an organ consisting of smooth muscles via an electrode probe. The apparatus includes a controller body to determine whether a light radiation mode is selected and an operation is started through direct manipulation using a switch, and output an LED driving signal to an electrode probe connection terminal; and wired and wireless electrode probes to be attached to/detached from the terminal to be electrically connected to/disconnected from the controller body, and to be driven by the driving signal to emit light having a predetermined wavelength range which increases concentration of a material for relaxing the muscles. Accordingly, the apparatus promotes blood and lymph circulation in an organ consisting of smooth muscles by relaxing those muscles.

Abstract: The present invention relates to a smartphone interface device for phototherapy which performs communication with a smartphone by using a micro controller unit (MCU) installed in the smartphone interface device for phototherapy and a universal serial bus on-the-go (USB OTG) module, and is capable of controlling a light beam irradiator more stably to enable the light beam irradiator to be driven. The present invention pertains to a smartphone interface device for phototherapy comprising: a micro controller unit (MCU) for receiving, from a smartphone, light beam irradiation intensity, light beam irradiation time, light beam irradiation pattern, and light beam irradiation start and end-relevant light beam irradiating electrode control commands, and generating a light source drive control signal according to the received light beam irradiating electrode control commands; a universal serial bus on-the-go (USB OTG) module; a voltage regulator; and a light beam irradiation drive unit.

Abstract: Disclosed is a fingerprint recognition sensor module including a flexible printed circuit board. The flexible printed circuit board includes a first sensing region formed with a first sensing input unit, a second sensing region formed with a second sensing input unit, a chip mounting region on which an ASIC is mounted to convert a fingerprint sensed through the input units into a digital signal and transmit the digital signal to a connector, and a connection section to which the connector is connected. The chip mounting region and the first and second sensing regions are separated from each other on the same surface, and the flexible printed circuit board is folded such that projection planes of the chip mounting region and the first and second sensing regions are superposed one above another.

Abstract: Disclosed are an anti-abrasion device and a reciprocating compressor having the same, whereby a sleeve is fabricated with an outer diameter smaller than an inner diameter of a connecting rod to be non-press-fitted, thereby facilitating an assembly of the sleeve, and also the deformation of an inner diameter of the sleeve is prevented during the assembly of the sleeve, thereby preventing beforehand an increase in an input load of a motor unit due to the deformation of the sleeve and an abrasion of a pin of a crankshaft.

Abstract: An apparatus for relaxing smooth muscles of a human body, capable of directly radiating light having a predetermined wavelength range for inducing relaxation of the smooth muscles onto acupuncture points related to an organ consisting of smooth muscles via an electrode probe. The apparatus includes a controller body to determine whether a light radiation mode is selected and an operation is started through a direct manipulation using a switch, and output an LED driving signal to an electrode probe connection terminal; and wired and wireless electrode probes to be attached to/detached from the terminal to be electrically connected to/disconnected from the controller body, and to be driven by the driving signal to emit light having a predetermined wavelength range which increases concentration of a material for relaxing the muscles. Accordingly, the apparatus promotes blood and lymph circulation in an organ consisting of smooth muscles by relaxing those muscles.

Abstract: A hermetic compressor includes: a crank shaft rotated by using an axial direction as a rotational axis; a stator rotating the crank shaft; a first bearing penetrated by the crank shaft and rotatably coupled to one side of the crank shaft based on the stator to support one side of the crank shaft when the crank shaft is rotated; a support part having one side provided at the stator and the other side disposed to be adjacent to the other side of the crank shaft, based on the stator; and a second bearing coupled to the other side of the support part and supporting the other side of the crank shaft.

Abstract: A compressor having a casing to which a gas suction pipe is connected; a driving motor provided in the casing; a cylinder; a valve supporting plate (210) covering the cylinder (300), the valve supporting plate (210) having a suction hole (212) for sucking gas into the cylinder (300) and two discharge holes (211) for discharging gas compressed in the cylinder (300); a piston (100) having two protrusions (101) at a pressure surface in correspondence to the two discharge holes (211) of the valve supporting plate (210), the protrusions (101) having different sized cross-sections, the piston being linearly reciprocal in the cylinder (300) by receiving a driving force of the driving motor; a suction valve coupled to the valve supporting plate (210) to open and close the suction hole (212); a discharge valve coupled to the valve supporting plate to open and close the two discharge holes (211).

Abstract: A detachable connecting rod includes a first member (410)a large end portion (411) having a trough hole (H1), and a first connection rod portion (412) extending from the large end portion (411), the first connection rod portion (412) having a pair of spaced apart arms defining a coupling groove (413) extending in the same direction as an axial direction of the through hole (H1); a second member (420) including a small end portion having a through hole (H2), and second connection rod portion (422) extending from the small end portion, the second connection rod (422) portion being inserted into the coupling groove (413) and a coupling unit for coupling the first connection rod portion (412) to the second connection rod portion inserted (412) into the coupling groove (413) of the first member (410). The detachable connecting rod is useable in a compressor.

Abstract: Disclosed are a reciprocating compressor and a refrigerating apparatus having the same, a ball bearing (300) can be easily stably installed between thrust surfaces (213, 227) of a cylinder block (210) and a crank shaft (220) so as to enhance efficiency of the compressor. Also, a ball bearing (300) can be installed by being inserted into thrust surfaces (213, 227) so to shorten a moment arm that much, thereby decreasing a frictional loss at a journal bearing surface (215), resulting in an energy efficiency of the reciprocating compressor and the refrigerating apparatus having the same. In addition, as an oil hole (226c) of the crank shaft (220) is veiled by the journal bearing surface (215) of the cylinder block (210), even if a ball bearing (300) is employed, oil leaked between the thrust surfaces (213, 227) can be reduced, thereby further enhancing the efficiency of the compressor and the refrigerating apparatus having the same.