Abstract: This disclosure relates to a digital holographic microscope which is robust to an external environment. According to an aspect of the present embodiment, there is provided an optical system for a digital holographic microscope, the optical system including a beam splitter which reflects a light radiated from a light source toward an object, or passes a light reflected from and traveling from the object; an objective lens focusing the light reflected by the beam splitter on the object; a transflective mirror which is located on the surface of the objective lens and is determined to be transparent or reflective depending on a polarization direction of a light incident to the transflective mirror; and a wave plate which converts the light passing through the beam splitter into a circularly polarized light.

Abstract: This disclosure relates to a glasses-type augmented reality apparatus, and system with compact dimensions. An aspect of the present embodiment provides an augmented reality apparatus which provides a wearer with a digital holographic image incident from the outside as a holographic image, the apparatus including a plurality of holographic optical elements (HOEs) arranged in the form of concentric circles having different radii inside an optical configuration worn by the wearer to diffract the incident digital holographic image and provide the diffracted digital holographic image to the wearer.

Abstract: Disclosed is an apparatus for measuring texture characteristics of a holographic image that is reconstructed optically by a holographic display device. Provided is an apparatus for measuring texture characteristics of a holographic image, which measures texture characteristics of a holographic image that is reconstructed optically by a holographic display device.

Abstract: Disclosed are an apparatus and system for evaluating a welding condition on the basis of three-dimensional data. An aspect of the present embodiment provides an apparatus for evaluating a welding condition, the apparatus including a communication unit configured to receive a three-dimensional image for an evaluation target from the outside, a base material recognition unit configured to recognize a base material from the three-dimensional image for the evaluation target by using a point cloud, a bead extraction unit configured to extract a welding bead welded between the base materials, a bead cross-section acquisition unit configured to acquire cross-sections at preset intervals for the extracted welding bead, and a profile analysis unit configured to analyze a profile of the welding bead for the cross-section acquired by the bead cross-section acquisition unit.

Abstract: Disclosed are a VCSEL diode and a VCSEL diode array having a common anode structure. An aspect of the present disclosure provides the VCSEL diode and the VCSEL diode array, which smoothly perform an operation and improve the quality of output light because the VCSEL diode and the VCSEL diode array have a common anode structure.

Abstract: Disclosed are a micro VCSEL with improved beam quality and a micro VCSEL array. An embodiment of the present invention provides a micro VCSEL with improved beam quality of light or laser to be oscillated and a micro VCSEL array capable of improving manufacturing efficiency and minimizing efficiency degradation due to errors occurring during a transfer.

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: 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 fruit quantity measurement system includes an unmanned aerial vehicle configured to receive GPS information about a fruit tree region of a predetermined area and an RF signal transmitted from an RF transmitter installed for each fruit tree and provide fruit tree images captured using at least one image sensor while flying based on a predetermined flight plan over the fruit tree region, and a monitoring server configured to be connected to the unmanned aerial vehicle through a communication network to receive GPS information and an RF signal from the unmanned aerial vehicle, match and store location data for each fruit tree, analyze the fruit tree image, measure the number of fruits for each fruit tree, store fruit counting information, and provide the stored location data or fruit counting information for each fruit tree according to a request from a user terminal authorized in advance.

Abstract: A vertical cavity surface emitting laser (VCSEL) chip, a VCSEL array, and a method of manufacturing the VCSEL array are disclosed. The VCSEL array includes a substrate, an adhesive layer coated on the substrate, a VCSEL chip disposed on the adhesive layer and fixed to the adhesive layer and configured to oscillate light or a laser by being supplied with power, a polymer coated on the VCSEL chip and the adhesive layer, and an interconnector electrically connected to the VCSEL chip.

Abstract: A hearing aid with the variable number of channels includes: a microphone that receives a sound signal; an AD converter that converts the sound signal input from the microphone into a digital signal and outputs the converted digital signal; a controller that determines a filter bank channel for processing the digital signal output from the AD converter; a buffer unit that delays the digital signal based on the determined filter bank channel; a signal processor that includes at least one filter bank channel, synthesizes the digital signal using the determined filter bank channel and outputs the synthesized digital signal; a DA converter that converts the digital signal into the sound signal and outputs the converted sound signal; and a speaker that outputs the sound signal output from the DA converter, in which the controller determines the filter bank channel for processing the digital signal based on a preset condition.

Abstract: Disclosed is a method of manufacturing a III-V group nanorod solar cell so that a substrate can be reused. The method may includes a first growth process of forming an etch stop layer on a substrate, a second growth process of growing a sacrificial layer on the etch stop layer, a third growth process of forming, on the sacrificial layer, a pattern layer including an opening at each location at which each nanorod solar cell is able to be grown, a fourth growth process of growing the nanorod solar cells on the sacrificial layer through the openings within the pattern layer, a forming process of forming a solar cell protection layer on outsides of the nanorod solar cells, a first etching process of etching the sacrificial layer and the pattern layer, and a second etching process of etching the etch stop layer.

Abstract: A hearing aid with the variable number of channels includes: a microphone that receives a sound signal; an AD converter that converts the sound signal input from the microphone into a digital signal and outputs the converted digital signal; a controller that determines a filter bank channel for processing the digital signal output from the AD converter; a buffer unit that delays the digital signal based on the determined filter bank channel; a signal processor that includes at least one filter bank channel, synthesizes the digital signal using the determined filter bank channel and outputs the synthesized digital signal; a DA converter that converts the digital signal into the sound signal and outputs the converted sound signal; and a speaker that outputs the sound signal output from the DA converter, in which the controller determines the filter bank channel for processing the digital signal based on a preset condition.

Abstract: The present invention relates to an apparatus and a method of acquiring an image for dental diagnosis. More particularly, the present invention relates to an apparatus and a method of acquiring a near-infrared image for dental diagnosis, wherein an image for dental diagnosis is acquired using near-infrared radiation and a general image camera rather than using X-rays.

Abstract: Disclosed herein is a capsule type photodynamic therapy apparatus. The apparatus has an anchor packaged with a silicone dome to anchor the apparatus to target tissue in a body by an endoscope, and includes a battery to communicate with an external device via human body communication in the silicone dome, and is repeatedly operated several times under the control of the external device to irradiate the target tissue with a therapeutic light source and thereby repeatedly treat the target tissue several times.

Abstract: The present invention relates to a rear lamp which has a 3D light distribution effect so as to represent a sense of depth by the infinity mirror effect and, more specifically, to a rear lamp configured to produce a movable light distribution image.

Abstract: The present invention relates to a rear lamp which has a 3D light distribution effect so as to represent a sense of depth by the infinity mirror effect and, more specifically, to a rear lamp configured to produce a movable light distribution image.

Abstract: The present disclosure relates to a confocal imaging apparatus using a chromatic aberration lens, which is capable of quickly implementing multiple tomographic images by making it possible to quickly scan the entire object without moving the light source or the object. Since the present invention is configured to generate a three-dimensional image using multiple tomographic images by a chromatic aberration lens without moving the light source or the object up and down, there is an effect of remarkably shortening the time it takes to implement the multiple tomographic images.

Abstract: Disclosed herein is a capsule type photodynamic therapy apparatus. The apparatus has an anchor packaged with a silicone dome to anchor the apparatus to target tissue in a body by an endoscope, and includes a battery to communicate with an external device via human body communication in the silicone dome, and is repeatedly operated several times under the control of the external device to irradiate the target tissue with a therapeutic light source and thereby repeatedly treat the target tissue several times.

Abstract: Disclosed herein is a method for quantifying a pigmented lesion using Optical Coherence Tomography (OCT). The method includes (a) irradiating light and receiving an interference signal produced by reflection of the light from first and second boundary layers of a pigmented lesion; and (b) calculating size information of the pigmented lesion using phase information of the interference signal. According to embodiments of the present invention, there is an advantage of allowing calculation of size information of a pigmented lesion using OCT, by increasing a measurement range in the axial direction to which beams are irradiated.