Abstract: A display apparatus includes a display panel; and a light control member disposed on the display panel. The light control member includes a plurality of partition walls spaced apart from each other, and a plurality of light control units each disposed between any two of the plurality of partition walls, and at least one of the plurality of light control units includes a first region containing organic monomers and an inorganic material and a second region containing the inorganic material dispersed in an organic polymer, thereby improving display quality and reliability of the display apparatus.

Abstract: The present disclosure relates to a light-emitting device. The light-emitting device includes a substrate, a first light-emitting chip, a first wavelength conversion member, and a barrier member. The first light-emitting chip is mounted on the substrate. The first wavelength conversion member covers the upper surface of the first light-emitting chip. A first reflective member covers the side surface of the first wavelength conversion member. Further, the barrier member includes an outer wall surrounding the side surfaces of the first light-emitting chip and the first reflective member.

Abstract: A substrate includes a display area and a non-display area with touch electrodes disposed in the display area, touch lines disposed in the non-display area and connected to the touch electrodes, a first power supply line disposed in the non-display area and having a first power supply voltage applied thereto, and a second power supply line disposed in the non-display area and having a second power supply voltage applied thereto, the second power supply voltage being higher than the first power supply voltage. Any one of the touch lines overlaps at least one of the first power supply line and the second power supply line. The first power supply line overlaps the second power supply line.

Abstract: A display device includes: a display panel including pixels having light-emitting elements; a timing control unit for variably changing the driving frame frequency of the display panel according to the input frame frequency of digital video data; and a data driving unit for outputting data voltages according to the digital video data, wherein the display panel operates at a first frame frequency for a first frame period and operates at a second frame frequency, which is lower than the first frame frequency, for a second frame period, the second frame period includes a data addressing period in which a data voltage corresponding to each of the pixels is applied to the pixels, and a blank period in which no data voltage is applied to each of the pixels, and the blank period includes a period of initializing a first electrode of a light-emitting element into an initialization voltage.

Abstract: A positive electrode active material for a lithium secondary battery having improved high-temperature life and an increase in resistance, and a method for preparing the same are disclosed herein. In some embodiments, a positive electrode active material includes a powder of a positive electrode active material and a lithium boron compound coating layer on the surface of the powder, wherein the lithium boron compound coating layer has a peak intensity ratio of two peaks in the spectrum of Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) that is equal to the peak intensity ratio of the corresponding peaks of LiBO2 within a range of ±50%.

Abstract: A positive electrode active material and a method of making the same, a positive electrode including the same, and a lithium secondary battery including the same are disclosed herein. In some embodiments, a method includes (A) sintering a mixture of a positive electrode active material precursor containing 70 mol % or more of nickel (Ni), based on a total amount of metals in the precursor, and a lithium-containing raw material to prepare a pre sintered product, (B) sintering a mixture of the pre-sintered product and an aluminum-containing raw material in an oxygen atmosphere containing 20 vol % to 100 vol % of oxygen to prepare a lithium transition metal oxide, wherein a concentration of oxygen is reduced according to sintering time, and (c) heat treating a mixture of the lithium transition metal oxide and a boron-containing raw material to form a coating layer on the lithium metal oxide.

Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.

Abstract: A method of preparing a positive electrode active material, a positive electrode and a lithium battery including a positive electrode active material prepared by the same are disclosed herein. In some embodiments a method includes (A) sintering on a mixture of a positive electrode active material precursor and a lithium-containing raw material to prepare a pre-sintered product, (B) sintering a mixture of the pre-sintered product and an aluminum-containing raw material to prepare a lithium transition metal oxide, and (C) heating treating a dry mixture of the lithium transition metal oxide and a boron-containing raw material to form a coating layer.

Abstract: The present disclosure relates to a microorganism producing L-valine and a method for producing L-valine using the microorganism.

Abstract: A positive electrode for a lithium secondary battery comprising a multilayer structure of electrode active materials. The first positive electrode active material layer comprising a positive electrode active material particles and a conductive material on at least one surface of the current collector. The second positive electrode active material layer positioned on the first positive electrode active material layer and comprising positive electrode active material particles and a conductive material.

Abstract: A display apparatus includes a base substrate on which a display area and a non-display area are defined, a first via insulating layer on the base substrate, a first power supply wire in the non-display area on the first via insulating layer, a second power supply wire in the non-display area on the first via insulating layer spaced apart from the first power supply wire, a first dam on the base substrate, overlapping the first and second power supply wires, and extending along the non-display area, a first stacked structure on the first via insulating layer between the first dam and the display area, and having a height less than a height of the first dam, and an organic layer on the first stacked structure and the first dam to overlap a substantially entire portion of the first stacked structure and at least a portion of the first dam.

Abstract: A semiconductor device includes a lower pattern on a substrate and protruding in a first direction, a source/drain pattern on the lower pattern and including a semiconductor liner film in contact with the lower pattern, and an epitaxial insulating liner extending along at least a portion of a sidewall of the semiconductor liner film, wherein the epitaxial insulating liner is in contact with the semiconductor liner film, wherein the semiconductor liner film includes a first portion, wherein the first portion of the semiconductor liner film includes a first point spaced apart from the lower pattern at a first height, and a second point spaced apart from the lower pattern at a second height, wherein the second height is greater than the first height, wherein a width of the semiconductor liner film in a second direction at the first point is less than a width of the semiconductor liner film in the second direction at the second point, and wherein the epitaxial insulating liner extends along at least a portion of

Abstract: The present invention relates to a conjugate including an antibody for treating cancer, a linker, and a block copolymer including PEO and PPO, and a conjugate further including a low molecular weight compound. The conjugate has excellent cancer cell targeting ability and can efficiently increase cancer cells by increasing the half-life of the antibody, and thus can be effectively used for treating cancer.

Abstract: The present disclosure relates to an ATP-dependent protease variant and a method of producing L-amino acids using the same.

Abstract: The present invention relates to a cosmetic composition including a Lycium chinense mill (“Goji berry”) fermented extract and/or green tea fermented extract, and a method for preparing the same. Specifically, there is provided a cosmetic composition with excellent antioxidant, wrinkle improvement and whitening effects, and a method for preparing the same.

Abstract: A positive electrode active material including at least one secondary particle comprising an agglomerate of primary macro particles is provided. A method for preparing the same and a lithium secondary battery containing the same are also provided. The positive electrode active material contains secondary particle with improved resistance by simultaneous growth of the average particle size D50 and the crystal size of the primary macro particle. The positive electrode active material has high crystal density and improved life and resistance characteristics by ensuring the movement path of lithium ions and minimizing defects in the crystal structure of the positive electrode active material.

Abstract: A semiconductor device having improved performance and reliability. The semiconductor device may include a lower pattern extending in a first direction, and a plurality of sheet patterns spaced apart from the lower pattern in a second direction perpendicular to the first direction. A plurality of gate structures may be on the lower pattern and spaced apart in the first direction, and a source/drain pattern, which may include a semiconductor liner film and a semiconductor filling film on the semiconductor liner film. A liner recess that is defined by an inner surface of the semiconductor liner film may include a plurality of width extension regions, and a width of each width extension region in the first direction may increase and then decreases, as a distance increases in the second direction from an upper surface of the lower pattern.

Abstract: A method of screening for an electron transport material included in an electron transport layer of an organic light emitting device and a method of screening for a hole blocking material included in a hole blocking layer of the organic light emitting device, the method using a heterogeneous electron transfer rate constant (K) value to select the electron transport material and an electron donating rate constant kd to select the hole blocking material, thereby capable of realizing the organic light emitting device having an excellent balance between luminous efficiency and lifetime.

Abstract: A display device includes a substrate having a display area and a non-display area, a pixel electrode, an organic emissive layer, a common electrode, a first inorganic encapsulation layer, an organic encapsulation layer, a second inorganic encapsulation layer, a dam, a bank disposed closer to a peripheral edge of the substrate than the dam, an inorganic encapsulation area, wherein the first inorganic encapsulation layer contacts the second inorganic encapsulation layer in the inorganic encapsulation area, and a first voltage supply line in a bank area where the bank is disposed, and in the inorganic encapsulation area. The first voltage supply line includes a plurality of anti-moisture patterns protruding from one side of the first subsidiary voltage supply line and having at least one of a length and a width in the inorganic encapsulation area respectively different from those of the plurality of anti-moisture patterns in the bank area.