Abstract: A medical liquid injection device includes: a reservoir assembly storing medical liquid in a storage space defined by a reservoir and a plunger moving linearly inside the reservoir, a needle assembly connected fluidly to the reservoir assembly to discharge the stored medical liquid, and a driving unit transmitting a driving force generated by a driving module to the plunger. The driving unit includes a rod member coupled to the plunger to move linearly together with the plunger, a wheel member rotating by the driving force, and a connection member having a catching portion that is movable in an axial direction of the wheel member and the rotation thereof with respect to the wheel member is limited around the axial direction.

Abstract: A cathode active material includes a lithium manganese (Mn) iron (Fe) phosphate, wherein a mol ratio of Mn:Fe is from about 3:7 to about 9:1, the lithium manganese iron phosphate is an olivine structure, and the Mn and Fe in the olivine are present in an partially ordered or partially disordered sublattice.

Abstract: The present invention provides a method for producing microparticles in which a porous micromold is degassed such that a precursor solution is quickly loaded into the micromold through the suction force of the micromold regardless of the viscosity and wettability of the precursor solution.

Abstract: The present disclosure relates to a medical liquid infusion apparatus and a reservoir assembly. In detail, the reservoir assembly includes a reservoir that provides a storage space therein for the medical liquid and has an opening formed in a front side of the reservoir, and a plunger that is inserted into the reservoir and moves inside the reservoir to form a storage space for the medical liquid, wherein an amount of a stored medical liquid may be measured by the reservoir, the plunger, or a sensor unit disposed outside the reservoir and the plunger, and driving of the medical liquid infusion apparatus may be set based on a measured result.

Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.

Abstract: The present invention relates to a curable composition and a film. Specifically, as the curable composition according to an embodiment of the present invention comprises a urethane (meth)acrylate oligomer derived from a polyol represented by Formula 1, it can provide a film having excellent scratch resistance and mechanical properties, as well as excellent flexibility and pliability to have a low glass transition temperature and a high storage modulus.

Abstract: The present disclosure relates to a battery cell. The battery cell can include an enclosure member that can enclose an electrode. The battery cell can include a mold that couples with a portion of the enclosure member. The mold can surround a portion of a terminal. The terminal can form a conductive pathway with the electrode.

Abstract: Aspects of the disclosure relate to electrode active materials for use in battery cells that include a lithium metal phosphate core having a more ionically conductive layer thereon. The layer of the ionic conducting material advantageously can increase lithium ion conduction of the active material by at least one order of magnitude relative to the core material alone. As such, electrodes may be fabricated with lower areal densities resulting in battery cells that have such electrodes with higher charge rates and potentially smaller physical dimensions.

Abstract: The structure for an optical device according to an embodiment comprises a protective layer formed from a photocurable siloxane resin composition, wherein the protective layer is capable of serving not only to protect or seal a light emitting element such as a mini-LED chip from external heat or moisture, but also to improve such optical characteristics as brightness and contrast ratio of light emitted from the light emitting element through the light diffusion.

Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.

Abstract: Provided herein is an apparatus. The apparatus can include a battery cell. The battery cell can include a vent. The vent can be coupled with the battery cell. The apparatus can include a channel coupled with the vent. The apparatus can include a porous component. The porous component can be disposed in the channel. The porous component can include one or more pores each having a width less than a width of the channel.

Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.

Abstract: The present invention relates to a method for fabricating microparticles by using a degassed gas-permeable micro-mold and discontinuous dewetting. The method for fabricating microparticles according to the present invention comprises the steps of: depressurizing and degassing a porous micro-mold including a plurality of micro-wells concavely recessed in a predetermined shape and size from one surface thereof (S100); loading a microparticle precursor solution on which the micro-wells are formed, and covering the microparticle precursor solution with a cover substrate (S200); moving the to cover substrate to the side (S300); and curing the microparticle precursor solution filled in the micro-wells, thereby synthesizing microparticles (S400).

Abstract: Provided are electrodes for a lithium-ion batteries comprising a lithium metal phosphate material, an over-lithiated-oxide material, and a high nickel manganese cobalt oxide material. In some embodiments, an electrode includes a blend of the lithium metal phosphate, the over-lithiated-oxide, and the high nickel manganese cobalt oxide materials. Also provided are rechargeable lithium-ion batteries and electric vehicle systems with an electrode comprising a lithium metal phosphate material, an over-lithiated-oxide material, and a high nickel manganese cobalt oxide material.

Abstract: The present invention provides a skin care diagnostic system characterized in that an LED light path is linked to a user terminal device having: a camera module for capturing an image of a skin surface; and a skin care service application generating control solution information of the LED light patch by analyzing the image captured by the camera module and an impedance measurement value received from the LED light patch. The LED light patch comprises: a BIA module for sensing the bioelectrical impedance of the skin surface; a BLE module for transmitting the impedance measurement value measured by the BIA module and receiving the control solution information of the LED light patch; a battery module comprising a thin-film battery; an LED module on which micro-LED devices are mounted in an array; and a control processor performing area-specific control, dimming control, wavelength control and user-selected care time control of the LED module in accordance with the received control solution information.

Abstract: Disclosed are a self-power relay and a method for preventing a malfunction thereof. The self-power relay comprises: a self-power generation unit for autonomously generating a driving power by performing conversion into a preconfigured driving power level by using, as a source power, a system power of a transmission/distribution line or power system; and a relay operation unit, for measuring the amount of a system power of a transmission/distribution line or power system, blocking a system power transmitted to a load when a failure occurs, and monitoring a change in a source power of the self-power generation unit in real time, so as to stop a relay operation of the self-power generation unit and a relay operation of the relay operation unit itself when abnormality occurs, wherein a malfunction can be prevented by checking an unstable state of a source current and voltage for generation of a self driving power.

Abstract: An electrode active material includes a dopant (M2) and a lithium iron phosphate host material, where the electrode active material is represented as LiM2xFe1?xPO4; M2 is a transition metal or main group metal; x is 0.01 to 0.15; the electrode active material exhibits an increased ionic conductivity compared to a lithium iron phosphate (LiFePO4) without the dopant; and the electrode active material has a particle size distribution characterized by a D50 greater than or equal to 1 ?m.

Abstract: A stretchable substrate and a manufacturing method of the stretchable substrate are disclosed. In a step of manufacturing a flexible substrate, a circuit pattern composed of one or more mounting pad parts configured to cause electronic parts to be mounted to a polyimide film PI having a fixed size is formed, and a wiring pattern configured to circuit-connect the mounting pad parts is formed, and further an outer circumferential line of the circuit pattern is realized in a cutting line for cutting. In a step of mounting parts, the electronic parts are mounted on the circuit pattern of the flexible substrate. In a punching step for cutting the cutting line, a punching jig set to be aligned to the cutting line of the flexible substrate on which the parts are mounted is utilized, thereby realizing the excellent tensile performance of wiring configured to connect a circuit.

Abstract: A cathode active material includes a lithium manganese (Mn) iron (Fe) phosphate, wherein a mol ratio of Mn:Fe is from about 3:7 to about 9:1, the lithium manganese iron phosphate is an olivine structure, and the Mn and Fe in the olivine are present in an partially ordered or partially disordered sublattice.

Abstract: The present invention relates to a positive-type photosensitive resin composition and a cured film prepared therefrom. The positive-type photosensitive resin composition comprises a nonpolar organic solvent, thereby suppressing the reactivity of the epoxy group in the composition to reduce the production of diol compounds. When a cured film is prepared from the composition, an appropriate level of developability can be maintained to further enhance the pattern adhesiveness, resolution, and sensitivity. Further, since the composition of the present invention has a small difference in the film retention rates at room temperature and low temperatures, the composition may have stable stability over time.