Abstract: A semiconductor laser diode light source package includes: a seed light source for outputting signal beams; a pump beam source for outputting pump beams; and at least one mirror for transmitting the signal beams to a core of an output optical fiber and transmitting the pump beams to first cladding of the output optical fiber, wherein the seed light source, the pump beam source, and the at least one mirror are realized in a semiconductor chip, and the output optical fiber is connected to an end terminal of the semiconductor laser diode light source package.

Abstract: Provided is a virtual experience device for aviation leisure sports, the device including: a main frame configured to form a vertical pillar and having an accommodation space in a region of an inside of the main frame; a bottom frame connected to the main frame and configured to form a bottom surface of the virtual experience device for aviation leisure sports; an upper frame extending from the main frame in a horizontal direction and having an accommodation space in a region of an inside of the upper frame and at least one through hole formed in a bottom surface of the upper frame; side frames installed at both sides of the upper frame and configured to support a load of the upper frame; and at least one roller provided in the accommodation space of the upper frame and configured to change a progression direction of a traction wire connected to a harness that will be put on by a user for a leisure sports aircraft virtual experience, wherein a motor portion for adjusting a usage length of the traction wire is

Abstract: A system for eye-tracking according to an embodiment of the present invention includes a data collection unit that acquires face information of a user and location information of the user from an image captured by a photographing device installed at each of one or more points set within a three-dimensional space and an eye tracking unit that estimates a location of an area gazed at by the user in the three-dimensional space from the face information and the location information, and maps spatial coordinates corresponding to the location of the area to a three-dimensional map corresponding to the three-dimensional space.

Abstract: An electrode for electrocardiogram (ECG) waveform measurement of the present disclosure is proposed. The present disclosure provides an electrode device capable of accurately measuring and monitoring an electrocardiogram of a person by maintaining a uniform amount of electric charge even when a contact area of the electrode changes due to vigorous physical activity such as walking or running, or moisture permeation due to ambient conditions or sweat released during exercise.

Abstract: Disclosed is a liquid crystal display device that includes: first and second substrates; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a pixel region; a thin film transistor connected to the gate line and the data line; a color filter layer on the thin film transistor, the color filter layer including red, green and blue color filters each corresponding to the pixel region; a protrusion pattern at a boundary of the pixel region, the protrusion pattern including at least two of the red, green and blue color filters; a pixel electrode on the color filter layer; a first alignment layer on the pixel electrode; a first patterned spacer on the second substrate, the first patterned spacer contacting the first alignment layer over the protrusion pattern; and a liquid crystal layer between the first and second substrates.

Abstract: A flyback converter is provided, which includes a transformer comprising a primary winding and a secondary winding, the transformer for transforming a power inputted from an input power supply and outputting the transformed power, a switching part having one end connected to the primary winding and the other end connected to the input power supply, and an auxiliary circuit including an auxiliary capacitor, and an auxiliary winding coupled to the primary winding. In addition, a clamping diode and a two-series connected switch structure is utilized for the switch stage to relieve the voltage stress of the switch. Accordingly, it is possible to reduce the voltage stress of the switch and also reduce the ripple of the input current which are the causes of EMI.

Abstract: A LIDAR system is provided. The LIDAR system includes: a light transmitting unit configured to drive a plurality of light emitting elements by light emitting units to irradiate light to different positions of a target object; and a light receiving unit configured to detect light that is reflected at different positions of the target object and then is incident to different light receiving positions through a plurality of light receiving regions.

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.

Abstract: A flyback converter is provided, which includes a transformer comprising a primary winding and a secondary winding, the transformer for transforming a power inputted from an input power supply and outputting the transformed power, a switching part having one end connected to the primary winding and the other end connected to the input power supply, and an auxiliary circuit including an auxiliary capacitor, and an auxiliary winding coupled to the primary winding. In addition, a clamping diode and a two-series connected switch structure is utilized for the switch stage to relieve the voltage stress of the switch. Accordingly, it is possible to reduce the voltage stress of the switch and also reduce the ripple of the input current which are the causes of EMI.

Abstract: The present invention discloses a microspeaker enclosure with porous materials, including a microspeaker, an enclosure with the microspeaker therein, the enclosure defining a resonance space and having an upper casing and a lower casing, a sound absorber arranged in the resonance space and defining a space, and porous materials filled in the space defined by the sound absorber.

Abstract: The present invention discloses a microspeaker enclosure with porous materials, including a microspeaker, an enclosure with the microspeaker therein, the enclosure defining a resonance space and having an upper casing and a lower casing, porous materials filled in the resonance space of the enclosure, and an anti-noise structure which prevents at least one of a collision between the porous materials, a collision between the porous materials and the enclosure, a collision between the porous materials and the microspeaker, and introduction of the porous materials into the microspeaker.

Abstract: There are provided an optical receiver and a laser radar including the same. The optical receiver includes a plurality of optical detecting units configured to convert an optical signal reflected from a target into an electrical signal and to output the electrical signal, a signal combiner configured to combine output signals of the plurality of light detecting regions, a plurality of switches provided between the plurality of optical detecting units and the signal combiner, and a controller configured to control the plurality of switches so that the plurality of optical detecting units are selectively connected to the signal combiner based on whether the optical signal to reflected from the target is input. Therefore, it is possible to make a module small, to improve stability and reliability, and to reduce a signal to noise ratio.

Abstract: An OLED display device includes a display area of a substrate to display images; a non-display area surrounding the display area and applying signals to pixels within the display area; a first thin film transistor formed in the non-display area of the substrate; a second thin film transistor formed in the display area of the substrate; a planarization film formed over the first and second thin film transistors; a first electrode formed on the planarization film in the non-display area and formed with at least one first opening; a second electrode formed on the planarization film and connected to a electrode of the second thin film transistor; a bank pattern formed on the second electrode and the first electrode and exposing a part of the second electrode. The bank pattern is adjacent to the first electrode.

Abstract: Provided is a virtual experience device for aviation leisure sports, the device including: a main frame configured to form a vertical pillar and having an accommodation space in a region of an inside of the main frame; a bottom frame connected to the main frame and configured to form a bottom surface of the virtual experience device for aviation leisure sports; an upper frame extending from the main frame in a horizontal direction and having an accommodation space in a region of an inside of the upper frame and at least one through hole formed in a bottom surface of the upper fame; side frames installed at both sides of the upper frame and configured to support a load of the upper frame; and at least one roller provided in the accommodation space of the upper frame and configured to change a progression direction of a traction wire connected to Hanes that will be put on by a user for a leisure sports aircraft virtual experience, wherein a motor portion for adjusting a usage length of the traction wire is prov

Abstract: A semiconductor laser diode light source package includes: a seed light source for outputting signal beams; a pump beam source for outputting pump beams; and at least one mirror for transmitting the signal beams to a core of an output optical fiber and transmitting the pump beams to first cladding of the output optical fiber, wherein the seed light source, the pump beam source, and the at least one mirror are realized in a semiconductor chip, and the output optical fiber is connected to an end terminal of the semiconductor laser diode light source package.

Abstract: A DC-DC converter includes a first transformer connected between a first node and a ground, the first node being located between an input terminal and an output terminal, and the first transformer comprising a first inductor and a second inductor magnetically coupled to each other, a first switch serially connected to the first inductor, between the first node and the ground, a second switch serially connected to the second inductor, between the first node and the ground, a third switch connected between a second node and the output terminal, the second node being located between the second inductor and the second switch, and a fourth switch connected between a third node and the output terminal, the third node being located between the first inductor and the first switch, and the third and fourth switch being controlled in a same manner as the first and second switch, respectively.

Abstract: Disclosed is a white organic light emitting device for enhancing emission efficiency and a color viewing angle or a color reproduction rate. The white organic light emitting device includes a first emission part between a first electrode and a second electrode, the first emission part having a first emission layer, a second emission part on the first emission part, the second emission part having a second emission layer, and a third emission part on the second emission part, the third emission part having a third emission layer. At least two emission layers of the first to third emission layers emit lights having a same color to enhance emission efficiency and a color viewing angle, and the at least two emission layers are adjacent to each other.