Abstract: A cathode active material with controlled rheological properties for lithium secondary batteries. In particular, the cathode active material for a lithium secondary battery includes: a core part comprising a lithium metal oxide; and a coating layer covering at least a portion of a surface of the core part and comprising an inorganic compound.

Abstract: A quantum dot device including an anode and a cathode, a light emitting layer disposed between the anode and the cathode, the light emitting layer comprising quantum dots, a first hole auxiliary layer disposed on the anode, the first hole auxiliary layer including poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate or a derivative thereof (PEDOT:PSS), a second hole auxiliary layer disposed on the first hole auxiliary layer and including a hole transport material different from the PEDOT:PSS, wherein the light emitting layer is disposed on the second hole auxiliary layer, wherein the first hole auxiliary layer has a first surface facing the anode and a second surface facing the second hole auxiliary layer, and the second surface includes a surface modification region including a surface modification material having a carboxylic acid group, a phosphonic acid group, a sulfonic acid group, or a salt thereof. An electronic device that includes the quantum dot device.

Abstract: Provided is a photosensitive composition including a polybenzoxazole or polyimide-based polymer, a photosensitizer, a silane-based additive, and a solvent, wherein a monomer capable of increasing mechanical properties is introduced into the components of benzoxazole-based copolymer resin, and has an effect of increasing the mechanical properties and adhesion to the base of a pattern manufactured from.

Abstract: An insert molding apparatus includes: a lower mold including a seating part on which an insert member including a through-hole is seated; an upper mold mounted on the lower mold to receive the insert member seated on the seating part; and a first fixing part including a first head provided in the lower mold and inserted into the through-hole of the insert member when the insert member is seated, and a first drive unit that moves the first head. The first drive unit is moved to adjust a length by which the first head is inserted into the through-hole.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, caps mounted on opposite distal ends of the hollow profile and disposed inside the main body, and a pair of covers mounted on opposite side surfaces of each of the support parts.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts integrally formed on opposite longitudinal end portions of the rail in the lengthwise direction, and a hollow profile that extends along the lengthwise direction of the rail and has at least one through-hole formed in a surface facing the roof panel of the vehicle and that is integrally formed inside the rail.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, and a cap mounted on at least one of opposite longitudinal end portions of the hollow profile or disposed inside the main body.

Abstract: An insert molding apparatus includes: a lower mold including a seating part on which an insert member including a through-hole is seated; an upper mold mounted on the lower mold to receive the insert member seated on the seating part; and a first fixing part including a first head provided in the lower mold and inserted into the through-hole of the insert member when the insert member is seated, and a first drive unit that moves the first head. The first drive unit is moved to adjust a length by which the first head is inserted into the through-hole.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, caps mounted on opposite distal ends of the hollow profile and disposed inside the main body, and a pair of covers mounted on opposite side surfaces of each of the support parts.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts integrally formed on opposite longitudinal end portions of the rail in the lengthwise direction, and a hollow profile that extends along the lengthwise direction of the rail and has at least one through-hole formed in a surface facing the roof panel of the vehicle and that is integrally formed inside the rail.

Abstract: A roof rack mounted on a roof panel of a vehicle includes a main body including a rail that extends along a lengthwise direction and forms the main body and support parts provided on opposite longitudinal end portions of the rail in the lengthwise direction, a hollow profile that extends along the lengthwise direction of the rail and that is integrally formed inside the rail, and a cap mounted on at least one of opposite longitudinal end portions of the hollow profile or disposed inside the main body.

Abstract: A roof rack for a vehicle according an embodiment of the present invention comprises roof rails, and attaches to the body of a vehicle, wherein each roof rail has a hollow groove extending in the lengthwise direction, the bottom of the roof rail is open in the direction of attachment to the car body due to the hollow groove, the open bottom part of the roof rail is provided with ribs, and the ribs connect the side walls formed by the hollow groove.