Abstract: A positive electrode active material for a secondary battery includes a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide has a layered crystal structure of space group R3m, includes the nickel (Ni) in an amount of 60 mol % or less based on a total amount of transition metals, includes the cobalt (Co) in an amount greater than an amount of the manganese (Mn), and is composed of single particles.

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: A method for manufacturing a LiDAR device is proposed. The method may include providing a LiDAR module including a laser emitting module and a laser detecting module to a target region. The method may also include adjusting, on the basis of first detecting data obtained from the laser detecting module, a relative position of a detecting optic module with respect to the laser detecting module. The method may further include adjusting, on the basis of image data obtained from at least one image sensor, a relative position of an emitting optic module with respect to the laser emitting module.

Abstract: The present invention relates to a bottom with optional auxiliary pants, the bottom being configured to allow portions corresponding to outseams from the top of the waistband to the bottoms of the hems of a bottom body to be open and to fix detachable fastening members to the open edges of the outseams, the bottom including: first connectors formed on whole or portions of the outer peripheries of bottom ends thereof; and the auxiliary pants with fastening portions formed on top ends thereof and selectively fastened to the first connectors.

Abstract: The present invention relates to a selectively controllable microLED system, and more specifically, to a technology having a transparent microLED display skin that is formed to be worn on the outer surface of any one from among a specific device, a specific product, and a body part, having a master unit and a remote slave for controlling the transparent microLED display skin that are independently or respectively formed on one side of any one from among the specific device, the specific product, and the body part, and having a smartphone allowing a wearer to ultimately and selectively control the transparent microLED display skin, and thus the present invention enables the color of any one from among the specific device, the specific product, and the body part to be selectively changed according to the current situation of the wearer.

Abstract: The present invention relates to a self-customized microLED wig. More specifically, one self-customized microLED wig comprises: a base plate (100) wrapped around the circumference of a wearer's head; hair parts (200) configured on the base plate; and a transparent microLED display skin (300) configured to cover the outer surfaces of the hair parts, wherein a master part (400) and a remote slave (500) are configured inside the base plate (100) so as to control the transparent microLED display skin (300), and a smart phone (600) is configured to enable the wearer to finally and selectively control the transparent microLED display skin (300), whereby the present invention is a useful invention which enables colors of the hair parts (200) to be variously changed according to the wearer's current situation.

Abstract: The present invention relates to a self-customizable micro LED garment capable of changing colors and patterns like a TV screen and, more particularly, to a useful invention comprising: a garment (100) composed of upper and lower garments (110, 120) worn on a wearer's body; a transparent micro LED display skin (300) coated on the surface of the garment (100); a master unit (400) and a remote slave (500) inside the upper and lower garments (110, 120) of the garment (100); and a smartphone (600), wherein the transparent micro LED display skin (300) is selectively controlled by means of an application installed on the smartphone (600) by the wearer to express a variety of colors according to the current situation of the wearer.

Abstract: The present invention relates to a self-customizable microLED accessory and, more specifically, to a useful invention comprising: an illuminatable accessory (100) to be worn on a specific body part of wearers in order to highlight the corresponding part; a driving means (200); a transparent microLED display skin (300) coated on the surface of the accessory (100); a master part (400) and a remote slave (500) provided in the accessory (100); and a smart phone (600), wherein the wearers use an application of the smart phone (600) so as to selectively control the transparent microLED display skin (300), thereby enabling continuous changing and expressing of various colors and patterns according to the current circumstances of the wearers.

Abstract: The present invention relates to a selectively controllable microLED system, and more specifically, to a technology having a transparent microLED display skin that is formed to be worn on the outer surface of any one from among a specific device, a specific product, and a body part, having a master unit and a remote slave for controlling the transparent microLED display skin that are independently or respectively formed on one side of any one from among the specific device, the specific product, and the body part, and having a smartphone allowing a wearer to ultimately and selectively control the transparent microLED display skin, and thus the present invention enables the color of any one from among the specific device, the specific product, and the body part to be selectively changed according to the current situation of the wearer.

Abstract: The present invention relates to a self-customizable micro LED garment capable of changing colors and patterns like a TV screen and, more particularly, to a useful invention comprising: a garment (100) composed of upper and lower garments (110, 120) worn on a wearer's body; a transparent micro LED display skin (300) coated on the surface of the garment (100); a master unit (400) and a remote slave (500) inside the upper and lower garments (110, 120) of the garment (100); and a smartphone (600), wherein the transparent micro LED display skin (300) is selectively controlled by means of an application installed on the smartphone (600) by the wearer to express a variety of colors according to the current situation of the wearer.

Abstract: The present invention relates to eyeglasses having a selectively detachable pattern layer, and relates to a technology wherein one or more pattern layers having variously shaped images are attached on a surface of a main lens or an auxiliary lens to satisfy wearers' needs and provide convenience for wearers, allow wearer to show off his or her own individuality or expression, and induce curiosity and interest of a viewer, and a support is provided to reduce friction between the main lens or the auxiliary lens and the pattern layer.

Abstract: The present invention relates to self-customized glasses. The self-customized glasses allow a wearer to assemble essential parts of the glasses in a self-customized type, can allow the wearer to make glasses with various forms according to the wearer's taste since allowing the wearer to select colors, patterns or designs of essential parts of the glasses by applying various custom-assembly forms or micro LED display skins to the essential parts, and provide rimless glasses with feelings of rimless glasses, half-rim glasses and full-rim glasses.

Abstract: The present invention relates to eyeglasses having a selectively detachable pattern layer, and relates to a technology wherein one or more pattern layers having variously shaped images are attached on a surface of a main lens or an auxiliary lens to satisfy wearers' needs and provide convenience for wearers, allow wearer to show off his or her own individuality or expression, and induce curiosity and interest of a viewer, and a support is provided to reduce friction between the main lens or the auxiliary lens and the pattern layer.

Abstract: Disclosed is a receptacle connector that can be freely positioned and that has excellent space utilization. A receptacle connector having an antenna function according to an aspect of the present invention is a receptacle connector for electrically connecting a plug connector and a circuit board and comprises a metal housing, a contact assembly, and a ceramic shell. The metal housing has an open front surface and an interior formed in a hollow shape. The contact assembly is provided with a plurality of contacts installed inside the metal housing to relay electrical signals. The ceramic shell is coupled in a shape surrounding the housing. The top surface of the ceramic shell has an antenna pattern formed thereon.

Abstract: Disclosed are a plug connector and a receptacle connector that have improved structures, and methods of manufacturing the same. A plug connector according to an embodiment of the present invention includes an upper ceramic substrate, a lower ceramic substrate, upper plug contacts, lower plug contacts, a pair of metal members, and a ceramic plug shell. The upper ceramic substrate is provided with a terminal at a lower surface thereof. The lower ceramic substrate is configured to correspond to the upper ceramic substrate and is provided with a terminal at an upper surface thereof. The upper plug contacts are coupled to the terminal of the upper ceramic substrate and each include a downwardly protruding contact portion. The lower plug contacts are coupled to the terminal of the lower ceramic substrate and each include an upwardly protruding contact portion.

Abstract: Disclosed is a functional sportswear having ripping lines. The ripping lines 6 and 8 are patterned by cutting a portion of a fibrous sportswear top 2 or fibrous sportswear bottoms 2A so as to form one or more pieces 10, and sewing adjacent pieces 10 to each other and sewing respective pieces 10 to cut portions adjacent thereto using a ripping-line sewing thread 12, which has a lower tensile strength than a tensile strength of a typical sewing thread, in a zigzag form. The ripping-line sewing thread 12 is formed of a twisted yarn including a frangible fiber yarn 14, which has a lower tensile strength than a polyester fiber yarn for a sewing thread, and a soluble yarn 16. The soluble yarn 16 is dissolved and removed after weaving using the sewing thread, whereby the frangible fiber yarn 14 remains in the ripping-line sewing thread 12 that sews the ripping lines 6 and 8.

Abstract: Disclosed herein are glasses having detachable auxiliary lenses. A transparent magnetic film (14) is applied to a front surface of each of main lenses (14) of a main eyeglass body (10). A transparent magnetic film (22) is applied to a rear surface of each of the auxiliary lenses (20), which are detachably attached to the main eyeglass body (10). Therefore, attachment or detachment of the auxiliary lenses (320) to or from the main eyeglass body (10) can be facilitated. In addition, the glasses according to the present invention can be light and provide improved wearing comfort even when the auxiliary lenses are attached to the main lenses.

Abstract: An apparatus for preventing loss of an item and quickly searching for the item includes a slave configured to act as a radio frequency identification (RFID) tag having unique identifier information in an internal tag memory; and a hand-held master configured to function as an RFID reader and to permit the change of at least one of a recognition distance and a recognition width, at which the master recognizes the slave. When the distance between a user and an item is out of a predetermined range, a warning such as an alarm or voice signal is provided to the user, so that it is possible to prevent loss of the item. Alternatively, it is possible to quickly search for a misplaced item whenever the user desires it and has misplaced the same.

Abstract: The present invention relates to a plug device, which can control the power source of an electrical product using a plug of the electrical product. The plug device includes a plug control circuit unit embedded in a plug main body of an electrical product, which is inserted in a power source outlet. The plug control circuit unit includes a switching unit coupled to internal power source lines of the plug control circuit unit, a current detection unit for detecting a current flowing from the internal power source lines to the electrical product, a wireless unit for receiving an external plug control wireless signal, and a controller for checking a current value corresponding to a non-operation of the electrical product and controlling the switching unit to switch on or off according to the checking result.

Abstract: An apparatus for preventing loss of an item and quickly searching for the item includes a slave configured to act as a radio frequency identification (RFID) tag having unique identifier information in an internal tag memory; and a hand-held master configured to function as an RFID reader and to permit the change of at least one of a recognition distance and a recognition width, at which the master recognizes the slave. When the distance between a user and an item is out of a predetermined range, a warning such as an alarm or voice signal is provided to the user, so that it is possible to prevent loss of the item. Alternatively, it is possible to quickly search for a misplaced item whenever the user desires it and has misplaced the same.