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公开(公告)号：US20200002217A1
公开(公告)日：2020-01-02
申请号：US16465424
申请日：2018-05-21
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Ju Hyeon CHOI , Jung Whan IN , June PARK , Eui Sam LEE
Abstract: Disclosed is fluorophosphate glasses for an active device, the fluorophosphate glasses including: a metaphosphate composition including Mg(PO3)2 of about 20 mol % to about 60 mol %; a fluoride composition including BaF2 of about 20 mol % to about 60 mol % and CaF2 of about 0 mol % to about 40 mol %; and dopants including rare earth elements, in which there is an effect of increasing a carrier lifetime at a metastable state energy level that is stimulated-emitted due to an efficient energy transfer phenomenon by composition optimization of dopants (e.g. Er and Yb).
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公开(公告)号：US09601340B2
公开(公告)日：2017-03-21
申请号：US14474995
申请日：2014-09-02
Inventor： Jaesoong Lee , Hyoin Kim
IPC: H01L29/16 , H01L27/15 , H01L31/12 , H01L33/06 , H01L21/285 , H01L29/12 , H01L21/02 , B82Y10/00 , B82Y40/00 , H01L29/06 , H01L29/205 , H01L33/18
CPC classification number: H01L21/28575 , B82Y10/00 , B82Y40/00 , H01L21/02381 , H01L21/02433 , H01L21/0254 , H01L21/02603 , H01L21/02653 , H01L29/0676 , H01L29/068 , H01L29/122 , H01L29/205 , H01L33/18
Abstract: 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.
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公开(公告)号：US20160352076A1
公开(公告)日：2016-12-01
申请号：US14994283
申请日：2016-01-13
Inventor： Jaesoong LEE , Jinwoo JU , Youngho SONG
CPC classification number: H01S5/34333 , H01S5/0425 , H01S5/2081 , H01S5/2272 , H01S5/3202 , H01S5/3428 , H01S2304/12
Abstract: 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.
Abstract translation: 提供半导体激光二极管及其制造方法。 半导体激光二极管包括c面基板，设置在c面基板上的III族氮化物层，以及按照所述顺序设置在III族氮化物层上的第一半导体层，有源层和第二半导体层 其中，所述第一半导体层和所述第二半导体层中的每一个暴露于所述半导体激光二极管的外部。
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74.发明申请FLUORESCENT IMAGE ACQUISITION AND PROJECTION APPARATUS FOR REAL-TIME VISUALIZATION OF INVISIBLE FLUORESCENT SIGNAL 审中-公开用于实时可视化荧光信号的荧光图像采集和投影设备公开(公告)号：US20160183802A1
公开(公告)日：2016-06-30
申请号：US15063799
申请日：2016-03-08
Applicant: Korea Photonics Technology Institute
Inventor： Byeong-II LEE , In-Hee SHIN , Jae-Seok PARK , Joo-Beom EOM , Hyung-Ju PARK , Seok-Ki KIM
IPC: A61B5/00
CPC classification number: A61B5/0071 , A61B5/7271
Abstract: A fluorescent image acquisition and projection method includes the steps of generating, by a plurality of light sources, invisible fluorescence under control of a control device and obtaining, by a detection unit, a signal of an invisible fluorescent image from a target object. The method further includes the steps of receiving from the detection unit and processing the invisible fluorescent image signal of the target object into a visible fluorescent signal, transmitting the visible fluorescent signal to a projector unit, and projecting, by the projector unit, the visible fluorescent signal onto the target object.
Abstract translation: 荧光图像获取和投影方法包括以下步骤：在控制装置的控制下通过多个光源产生不可见荧光，并由检测单元从目标物体获得不可见荧光图像的信号。 该方法还包括以下步骤：从检测单元接收并将目标物体的不可见荧光图像信号处理成可见荧光信号，将可见荧光信号传输到投影仪单元，并由投影仪单元投射可见荧光 信号到目标对象。
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公开(公告)号：US12276939B2
公开(公告)日：2025-04-15
申请号：US17744628
申请日：2022-05-14
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Seon Kyu Yoon , Jin Su Lee
Abstract: According to an embodiment, a holographic image sensor comprises a lens focusing object light incident from outside of the holographic image sensor to the holographic image sensor, a filter transmitting a predetermined wavelength band of light of the focused object light, a light receiving unit receiving interference light to sense a holographic image, and a reference light source directly emitting reference light having the predetermined wavelength band to the light receiving unit.
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Patent Agency Ranking
公开(公告)号：US12270979B2
公开(公告)日：2025-04-08
申请号：US18315947
申请日：2023-05-11
Applicant: Korea Photonics Technology Institute
Inventor： Seon Kyu Yoon , Jin Su Lee , Sung Kuk Chun
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.
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公开(公告)号：US20240429359A1
公开(公告)日：2024-12-26
申请号：US18701697
申请日：2022-10-05
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Tak JEONG , Jun Beom PARK
Abstract: The present invention relates to a micro LED package, a display having the same, and a method for manufacturing the display and, more specifically, to a micro LED package, a display having the same, and a method for manufacturing the display, in which a plurality of micro LEDs having different colors are packaged in a single pixel unit or a plurality of pixel units to facilitate connection to a driving connection electrode unit of the display. In the micro LED package and the display having the same according to the present invention, even if the size of the micro LED chips becomes small, the driving connection electrode unit of the display may be easily connected to the display driving connection electrode unit without rearranging or redesigning the driving connection electrode unit of the display, thereby making it possible to utilize the driving connection electrode unit of the existing display.
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78.发明公开公开(公告)号：US20240196102A1
公开(公告)日：2024-06-13
申请号：US18482841
申请日：2023-10-06
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： An Jin PARK , Jeong Ho KIM , Byung Sup RHO
CPC classification number: H04N23/76 , G06T3/4053 , G06T7/11 , G06V10/60 , G06T2207/20081
Abstract: An electronic device for image processing using an image conversion network comprises: a communication unit communicating with a user terminal to receive a nighttime image having an illuminance lower than a threshold level from the user terminal and a daytime image captured by a camera of the user terminal; and a control unit for inputting the nighttime image into an image conversion network to generate a daytime image having an illuminance equal to or higher than the threshold level, wherein the image conversion network includes: a pre-processing unit for generating an input image by reducing the size of the nighttime image at a predetermined ratio; a day/night conversion network for generating a first daytime image by converting an illuminance on the basis of the input image; and a resolution conversion network for generating a final image by converting a resolution on the basis of the first daytime image.
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公开(公告)号：US20240168434A1
公开(公告)日：2024-05-23
申请号：US18508393
申请日：2023-11-14
Applicant: Korea Photonics Technology Institute
Inventor： Kwang Hoon LEE , Hoe Min KIM , Kyung Il JOO , Min Kyu PARK
CPC classification number: G03H1/2294 , G06V10/54 , G06V10/60 , G03H2001/0224
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.
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公开(公告)号：US20240168270A1
公开(公告)日：2024-05-23
申请号：US18315947
申请日：2023-05-11
Applicant: Korea Photonics Technology Institute
Inventor： Seon Kyu YOON , Jin Su Lee , Sung Kuk CHUN
CPC classification number: G02B21/04 , G02B21/365 , G03H1/0005 , G03H2001/005
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.
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