Korea Photonics Technology Institute | Date: 2015-04-23
A unit light source module configured as a 3D display system includes a light emitting unit including a plurality of point light sources corresponding to a number of viewpoints and a light collecting unit disposed a predetermined distance apart from the light emitting unit and collecting and outputting the light source outputted from the plurality of point light sources.
Korea Photonics Technology Institute | Date: 2014-11-26
An optical transmission and reception connector system includes a cable that has a plug section formed at both ends thereof so as to relay and transmit light and an interfacing module that is mounted on an electronic apparatus and that includes an insertion space into which the plug section is detachably inserted. The cable is provided with a first relay optical path and a second relay optical path. The interfacing module includes a receptacle unit in which a first internal optical terminal and a second internal optical terminal for transmitting and receiving light to and from the cable are separated from each other, an optical transmitter unit, an optical receiver unit, and a main optical transmission unit that includes a first main optical path formed between the optical transmitter unit and the first internal optical terminal so as to transmit light output from the optical transmitter unit through the first internal optical terminal and a second main optical path formed between the second internal optical terminal and the optical receiver unit so as to be separated from the first main optical path and to transmit light received from the second internal optical terminal to the optical receiver unit The plug section of the cable is formed such that an upper part and a lower part are symmetric with respect to the center thereof without depending on the insertion direction thereof, and the cable or the receptacle unit is formed to divide or switch an optical path so as to enable transmission of light by the optical transmitter unit and reception of light by the optical receiver unit.
Korea Photonics Technology Institute and Samsung | Date: 2014-09-22
Devices having nitride quantum dots and methods of manufacturing the same are provided. The device includes a nitride group material substrate, a plurality of nanorods that are formed on the nitride group material layer and are separated from each other, and a nitride quantum dot on each of the nanorods. A pyramid-shaped layer may be further formed between each of the nanorods and the nitride quantum dot. The nanorods and the nitride quantum dot are covered by an upper contact layer. A plurality of nitride quantum dots may be formed on each of the nanorods and the respective nitride quantum dots may have different sizes.
Korea Photonics Technology Institute and Korea Association Of Aids To Navigation | Date: 2016-04-13
The present invention relates to an LED beacon that is capable of improving a light-collecting efficiency, decreasing a focal distance, reducing the size of the beacon, and performing light collection to a desired light distribution pattern, through first light collection of LED light-collecting lenses, second light collection and optical path change of a reflection part, and third light collection of a light-collecting lens.
Korea Photonics Technology Institute | Date: 2014-05-15
The present invention relates to a multi-luminous element and a method for manufacturing the same. The present invention provides the multi-luminous element comprising: a buffer layer disposed on a substrate; a first type semiconductor layer disposed on the buffer layer; a first active layer which is disposed on the first type semiconductor layer and is patterned to expose a part of the first type semiconductor layer; a second active layer disposed on the first type semiconductor layer which is exposed by the first active layer; and a second type semiconductor layer disposed on the first active layer and the second active layer, the first and second active layers being repeatedly disposed in the horizontal direction, and the method for manufacturing the same. The multi-luminous element according to the present invention reduces loss of light emitting efficiency and can generate multi-wavelength light by repeatedly disposing the first and second active layers in the horizontal direction.
Korea Photonics Technology Institute | Date: 2015-10-15
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.
Korea Photonics Technology Institute and Samsung | Date: 2014-09-02
Provided are electronic devices having quantum dots and methods of manufacturing the same. An electronic device includes a first nanorod, a quantum dot disposed on an upper surface of the first nanorod, and a second nanorod that covers a lateral surface of the first nanorod and the quantum dot. The first nanorod and the second nanorod are of opposite types.
Samsung and Korea Photonics Technology Institute | Date: 2016-01-13
Provided are a semiconductor laser diode and a method for fabricating the same. The semiconductor laser diode includes a c-plane substrate, a group III nitride layer disposed on the c-plane substrate, and a first semiconductor layer, an active layer, and a second semiconductor layer disposed on the group III nitride layer in the stated order, wherein each of the first semiconductor layer and the second semiconductor layer is exposed to the outside of the semiconductor laser diode.
Korea Photonics Technology Institute | Date: 2014-09-02
Provided is an apparatus for acquiring and projecting a broadband image, the apparatus including: a probe unit provided, on a probe housing of the probe unit, with a white light source unit configured to emit white light for acquiring a visible light image to a subject, a fluorescence excitation light source unit configured to emit fluorescence excitation light for acquiring an invisible light fluorescence image, and an image acquisition unit configured to receive an invisible light fluorescence image signal for the subject, and an image projection unit configured to project an image onto the subject; and an image processing unit configured to process an image received from the image acquisition unit. According to the apparatus for acquiring and projecting a broadband image, the visible light image and the invisible light fluorescence image may be simultaneously acquired and then displayed, and the acquired fluorescence image is projected onto a position where a fluorescence signal may be revealed, thus visually providing a position and shape in which the fluorescence signal is generated.
Korea Photonics Technology Institute | Date: 2013-08-16
A fluorescent image acquisition and projection apparatus for real-time visualization of an invisible fluorescent signal is provided. The apparatus visualizes an invisible fluorescent signal generated from a target object (a tissue of a living body, a cell of a living body, or the like) by using a photodetection unit and a projector in real time. The apparatus directly projects a visualized fluorescent signal onto a region of the target object where the invisible fluorescent signal is generated, thereby enabling users to determine and confirm the generation location of the fluorescence with the naked eye.