Abstract: An embodiment of the present invention relates to an optical apparatus comprising: a first main body including first cover glass; a second main body including second cover glass and foldably connected to the first main body; a first optical module arranged in the first main body; and a second optical module which is arranged in the second main body and which overlaps with the first optical module in the optical axis direction when the first cover glass and the second cover glass are facing each other.

Abstract: A camera module disclosed in an embodiment of the invention includes a lens barrel having a through hole therein; and an optical system disposed in the through hole of the lens barrel and having a plurality of lenses which an optical axis is aligned from an object side toward a sensor side, wherein a sensor-side lens closest to an image sensor among the plurality of lenses includes an object-side surface and a sensor-side surface, the sensor-side lens has a length in a first direction orthogonal to the optical axis longer than a length in a second direction, the sensor-side lens includes an outer protrusion protruding on one side in the second direction, and the sensor-side surface of the sensor-side lens may have an asymmetrical shape in a shape of a lens surface from the optical axis to an end of an effective region in the first direction and a lens surface from the optical axis to an end of an effective region in the second direction.

Abstract: Provided are a device and method for spatial reuse in a wireless network. According to the device and method for spatial reuse, concurrent transmission power is calculated that is a power for transmitting a signal concurrently with an occupant transmission node, which is occupying a channel and transmitting a signal with reference transmission power, on the basis of a density of nearby access points (APs), a clear channel assessment (CCA) threshold is adjusted and set in accordance with the concurrent transmission power, and whether to perform concurrent transmission is determined in accordance with the CCA threshold and an intensity of the signal transmitted by the occupant transmission node. Accordingly, it is possible to efficiently reuse space.

Abstract: An optical module disclosed to an embodiment includes a sensor, and an optical system including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens sequentially arranged along the optical axis in the direction from the object side to the sensor side, and at least one of the object-side and sensor-side surfaces of the fifth lens includes a freeform surface.

Abstract: An optical module according to an embodiment includes: a sensor; and an optical system including first to sixth lenses sequentially disposed along an optical axis from an object-side toward a sensor-side, wherein at least one of an object-side surface and a sensor-side surface of the sixth lens includes a free-form surface.

Abstract: A optical module according to an embodiment includes a sensor; and an optical system comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged sequentially along an optical axis from an object side to an sensor side, wherein at least one of an object side surface or an sensor side surface of the fifth lens comprises a freeform surface, wherein the fifth lens satisfies Equation A below: ? "\[LeftBracketingBar]" max ? Sag_O ? _x ? _ ? 5 ? "\[RightBracketingBar]" ? ? "\[LeftBracketingBar]" max ? Sag_O ? _y ? _ ? 5 ? "\[RightBracketingBar]" [ Equation ? A ] (In equation A, max |Sag_O_x_5| means an absolute value of a maximum Sag value in a X-axis direction on the object side surface of the fifth lens, and max |Sag_O_y_5| means an absolute value of a maximum Sag value in a Y-axis direction on the object side surface of the surface lens.

Abstract: A optical module according to an embodiment includes a sensor and an optical system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens arranged sequentially along the optical axis in the direction from the object side to the sensor side, at least one of the object side surface or the sensor side surface of the fourth lens includes a freeform surface.

Abstract: A lens module in an embodiment includes a first plate having therein a first cavity; a second plate overlapping the first plate in a vertical direction, the second plate having therein a second cavity; a first liquid disposed in the first cavity; and a second liquid disposed in the second cavity, wherein a cross-section obtained by cutting the first cavity in a horizontal direction perpendicular to the vertical direction has a polygonal shape, and wherein a cross-section obtained by cutting the second cavity in the horizontal direction has a circular shape.

Abstract: An optical system according to an embodiment includes N lenses sequentially disposed along an optical axis from an object-side toward a sensor-side, wherein a first axis perpendicular to the optical axis is defined and a second axis perpendicular to the optical axis and the first axis is defined in an nth lens which is any one of the N lenses, a shape of a first surface of the nth lens is symmetrical in the first axis direction and the second axis direction, the first surface has a first sag value S1 of a first coordinate (±A,0) and a third sag value S3 of a third coordinate (±B,0) on the first axis, the first surface has a second sag value S2 of a second coordinate (0,±A) and a fourth sag value S4 of a fourth coordinate (0,±B) on the second axis, and the nth lens satisfies Equation 1 below.

Abstract: An optical system for a vehicle disclosed in an embodiment of the invention includes first to fourth lenses sequentially stacked along an optical axis in an image direction from an object side, and an aperture stop is disposed on an outer circumference between the second lens and the third lens, first lens includes an object-side first surface and an image-side second surface, the second lens includes an object-side third surface and an image-side fourth surface, and the third lens includes an object-side fifth surface and an image-side sixth surface, the third lens disposed on the image side with respect to the aperture stop have a convex object-side fifth surface and a convex image-side sixth surface on the optical axis, the first surface of the first lens on the optical axis is convex toward the object side, the third lens has a positive refractive power, and one of the first to fourth lenses is made of glass, and at least one other is made of plastic.

Abstract: A liquid lens according to one embodiment includes a first plate including a cavity in which liquids are disposed, the cavity having an inclined surface, a first electrode disposed on the inclined surface, a second electrode disposed on the first plate, and an insulation layer disposed on the first electrode, wherein the liquids include a conductive liquid and a non-conductive liquid, wherein an interface is formed between the conductive liquid and the non-conductive liquid, wherein the insulation layer includes a base disposed on the first electrode and a plurality of protrusions disposed on the base, and wherein the plurality of protrusions contacts the interface.

Abstract: An embodiment provides a liquid lens including a first plate comprising a cavity formed therein to accommodate a first liquid, which is non-conductive, and a second liquid, which is conductive, therein, the first plate being conductive, an electrode disposed on the first plate, a second plate disposed on the electrode, the second plate being non-conductive, a third plate disposed under the first plate, and an insulation layer disposed between the first plate and the electrode and between the second liquid and the first plate.

Abstract: An embodiment of the present invention relates to an optical apparatus comprising: a first main body including first cover glass; a second main body including second cover glass and foldably connected to the first main body; a first optical module arranged in the first main body; and a second optical module which is arranged in the second main body and which overlaps with the first optical module in the optical axis direction when the first cover glass and the second cover glass are facing each other.

Abstract: An embodiment relates to an optical module which comprises: a light transmitting unit for emitting a plurality of beams to a scanning area so as to scan the scanning area; and a light receiving unit for measuring information on an object located inside the scanning area, using backward light which is reflected and returned from the object after the emitted beams hit the object, wherein the scanning area includes at least one scanning area, and the light transmitting unit scans the at least one scanning area at at least one scanning rate.

Abstract: A lens module in an embodiment includes a first plate having therein a first cavity; a second plate overlapping the first plate in a vertical direction, the second plate having therein a second cavity; a first liquid disposed in the first cavity; and a second liquid disposed in the second cavity, wherein a cross-section obtained by cutting the first cavity in a horizontal direction perpendicular to the vertical direction has a polygonal shape, and wherein a cross-section obtained by cutting the second cavity in the horizontal direction has a circular shape.

Abstract: An embodiment relates to an automatic water supply device comprising: a container seating portion, one side of which is open such that a container is placed; a water intake member arranged on the upper portion of the container seating portion so as to supply the container with a liquid; a container height measuring unit and a water level measuring unit arranged to be adjacent to the water intake member, respectively; and a control unit for comparing the height of the container, which is measured by the container height measuring unit, and the water level, which is measuring by the water level measuring unit, thereby checking whether the water level inside the container reaches a preset height or not, and adjusting the water level inside the container using the result of the checking, wherein the container height measuring unit comprises a plurality of first optical sensors for sensing both ends of the upper end of the container, and can measure the height of the container in response to the result of sensing

Abstract: An embodiment relates to an optical module which comprises: a light transmitting unit for emitting a plurality of beams to a scanning area so as to scan the scanning area; and a light receiving unit for measuring information on an object located inside the scanning area, using backward light which is reflected and returned from the object after the emitted beams hit the object, wherein the scanning area includes at least one scanning area, and the light transmitting unit scans the at least one scanning area at at least one scanning rate.

Abstract: An embodiment relates to an optical module which comprises: a light transmitting unit for emitting a plurality of beams to a scanning area so as to scan the scanning area; and a light receiving unit for measuring information on an object located inside the scanning area, using backward light which is reflected and returned from the object after the emitted beams hit the object, wherein the scanning area includes at least one scanning area, and the light transmitting unit scans the at least one scanning area at at least one scanning rate.

Abstract: The present invention comprises: an LED; a light guide; a diffusion plate; and an air vent housing, wherein at least one shielding protrusion having a receiving portion is formed to protrude from the rear of the air vent housing having the irradiation hole formed therethrough into which the diffusion plate is inserted to be fixed, wherein a bent extension portion is formed to extend from one side of the light guide such that a locking protrusion inserted into the receiving portion formed in the shielding protrusion protrudes from the front thereof and an inflow portion, through which the light generated from the LED is introduced, protrudes from the rear thereof.

Abstract: The present invention comprises: an LED; a light guide; a diffusion plate; and an air vent housing, wherein at least one shielding protrusion having a receiving portion is formed to protrude from the rear of the air vent housing having the irradiation hole formed therethrough into which the diffusion plate is inserted to be fixed, wherein a bent extension portion is formed to extend from one side of the light guide such that a locking protrusion inserted into the receiving portion formed in the shielding protrusion protrudes from the front thereof and an inflow portion, through which the light generated from the LED is introduced, protrudes from the rear thereof.