Abstract: An optical array waveguide grating-type multiplexer and demultiplexer according to an embodiment of the present invention comprise: a first substrate, a plurality of first waveguides disposed on the first substrate to be superposed in the vertical direction, which is the thickness direction of the first substrate; a 1-1st cladding layer disposed between the first substrate and a 1-1st waveguide, which is nearest to the first substrate among the plurality of first waveguides; a 1-2nd cladding layer disposed between the plurality of first waveguides; and a 1-3rd cladding layer disposed on a 1-2nd waveguide, which is furthest from the first substrate among the plurality of first waveguides.

Abstract: A camera module includes an image acquisition unit configured to acquire a plurality of image frames having a spatial phase difference therebetween, an image generation unit configured to generate image data having a resolution higher than a resolution of each of the plurality of image frames using the plurality of image frames, and a depth information extraction unit configured to extract depth information about an object using the image data.

Abstract: A camera module according to an embodiment of the present invention includes a structured light projector configured to generate structured light of a specific pattern and changes an optical path of the structured light into units of subpixels of an image sensor for each image frame to project the structured light onto a subject, and a structured light camera configured to photograph the subject onto which the structured light is projected to generate a plurality of low-resolution image frames and generate a high-resolution depth map from the plurality of low-resolution image frames.

Abstract: A light detection and ranging apparatus according to one embodiment includes a light transmitting unit for emitting a plurality of beams in different directions from each other and a light receiving unit for allowing backward-propagating lights returning after the emitted beams hit an object and are reflected from the object, to be incident at angles different from each other, and measuring information on the object by using the plurality of incident backward-propagating light, wherein the light transmitting unit includes at least one light source for emitting light; a beam splitter for splitting the light emitted from the at least one light source into a first beam and a second beam; and a beam steering unit for dividing the second beam split by the beam splitter into a plurality of third beams and for emitting the divided third beams in directions different from each other, wherein the plurality of beams emitted from the light transmitting unit include the first beam and the plurality of third beams.

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 optical device provided by the present invention can comprise: a light separating unit receiving one first beam so as to output k (k is a natural number) second beams; a light steering unit changing the k second beams up to a first steering angle, so as to output a third beam; a lens unit receiving the third beam so as to adjust the first steering angle, thereby outputting a fourth beam; and a driving unit for controlling a first light output angle, wherein a wave front of the second beams can be wider than that produced by diving a wave front of the first beam by k.

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 a target-oriented light emitting device comprising: a light emitting part for emitting light; a light focusing part for focusing the light emitted from the light emitting part; a first light adjusting part to which the light focused by in the light focusing part is incident, adjusting the orientation direction of the light, and emitting the adjusted light; and a second light adjusting part disposed between the light focusing part and the first light adjusting part so as to adjust a focal position of the light incident to the first light adjusting part.

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: Provided are a light-receiving device and lidar comprising the light-receiving device. The light-receiving device comprises: a first lens comprising a first lens surface for receiving light from an outside and a second lens surface for changing the path of the light received by the first lens surface and outputting the light to the outside; and a sensor on which light transmitted through the second lens surface is incident, wherein the first lens surface is a spherical surface, the second lens surface is an aspherical surface, and the focus of the first lens deviates from the sensor surface of the sensor.

Abstract: The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.

Abstract: An embodiment relates to a target-oriented light emitting device comprising: a light emitting part for emitting light; a light focusing part for focusing the light emitted from the light emitting part; a first light adjusting part to which the light focused by in the light focusing part is incident, adjusting the orientation direction of the light, and emitting the adjusted light; and a second light adjusting part disposed between the light focusing part and the first light adjusting part so as to adjust a focal position of the light incident to the first light adjusting part.

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 member for controlling luminous flux according to an exemplary embodiment of the present invention includes an optical path changing unit embedded in a matrix and including scattering particles scattering incident light, and an optical direction adjustment unit including a coupling surface attached to the optical path changing unit to receive the light scattered from the optical path changing unit, and a refractive surface refracting the received light and emitting the refracted light, whereby an optical diffusion performance of the member for controlling luminous flux according to an exemplary embodiment of the present invention can enhance an optical diffusion performance.

Abstract: A light emitting module is disclosed. The light emitting module includes a board, a plurality of light emitting device packages mounted on the board while being spaced apart from each other, and a plurality of lenses located at upper surfaces of the light emitting device packages in a contact fashion, wherein each of the lenses includes a curved surface expressed by a start point (SP), an end point (EP), and two adjustment points (AP1 and AP2) of a Bezier curve represented as follows. SP=(x, z), EP=(x, Z_E), AP1=(X_01, Z_01), AP2=(X_02, Z_02) where x indicates positions in a direction intersecting a light axis, z indicates positions in a direction parallel to the light axis, SP is fixed, and 0.5 mm?Z_E?0.78 mm, 1.62 mm?X_01?1.8 mm, 1.44 mm?Z_01?1.5 mm, 0.19 mm?X_02?0.25 mm, and 1.06 mm?Z_02?1.26 mm, or X_01 is 1.0 mm, Z_01 is 0.9 mm, X_02 is 0.2 mm, Z_02 is 0.1 mm, and Z_E is 1.2 mm.

Abstract: An optical device provided by the present invention can comprise: a light transmitting unit for generating a first beam for photographing a certain area; a light receiving unit for sensing a second beam returning from the certain area; a light separating unit for distinguishing and transmitting the first beam from the second beam; and a detection unit including a micro electro-mechanical system mirror (MEMS mirror) for transmitting the first beam by changing an optical axis up to a first steering angle, and for receiving the second beam.

Abstract: An optical device provided by the present invention can comprise: a light separating unit receiving one first beam so as to output k (k is a natural number) second beams; a light steering unit changing the k second beams up to a first steering angle, so as to output a third beam; a lens unit receiving the third beam so as to adjust the first steering angle, thereby outputting a fourth beam; and a driving unit for controlling a first light output angle, wherein a wave front of the second beams can be wider than that produced by diving a wave front of the first beam by k.

Abstract: A light detection and ranging apparatus according to one embodiment includes a light transmitting unit for emitting a plurality of beams in different directions from each other and a light receiving unit for allowing backward-propagating lights returning after the emitted beams hit an object and are reflected from the object, to be incident at angles different from each other, and measuring information on the object by using the plurality of incident backward-propagating light, wherein the light transmitting unit includes at least one light source for emitting light; a beam splitter for splitting the light emitted from the at least one light source into a first beam and a second beam; and a beam steering unit for dividing the second beam split by the beam splitter into a plurality of third beams and for emitting the divided third beams in directions different from each other, wherein the plurality of beams emitted from the light transmitting unit include the first beam and the plurality of third beams.

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 optical lens, light emitting device, and lighting device are provided.