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。

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

IPC: G03H1/04 ,  G01J1/42 ,  G01J9/02 ,  H04N23/55 ,  H04N23/56 ,  H10F39/12

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.

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

IPC: G02B21/04 ,  G02B21/36 ,  G03H1/00

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.

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

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/00

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.

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

IPC: H04N23/76 ,  G06T3/40 ,  G06T7/11 ,  G06V10/60

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.

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

IPC: G03H1/22 ,  G06V10/54 ,  G06V10/60

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.

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

IPC: G02B21/04 ,  G02B21/36 ,  G03H1/00

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.

公开(公告)号：US20240126206A1

公开(公告)日：2024-04-18

申请号：US18533186

申请日：2023-12-08

Applicant: Korea Photonics Technology Institute

Inventor： Seon Kyu YOON ,  Ha Mong SHIM ,  Jin Su LEE ,  Kwang Hoon LEE

IPC: G03H1/00 ,  G01B9/021 ,  G01B11/16 ,  G03H1/04 ,  G03H1/08

CPC classification number: G03H1/0005 ,  G01B9/021 ,  G01B11/164 ,  G03H1/0402 ,  G03H1/0443 ,  G03H1/0866 ,  G03H2001/005 ,  G03H2001/0415

Abstract: According to an embodiment, a holographic microscope comprises a light source, an optical system splitting light emitted from the light source into an object and a reflective mirror and inducing interference between light reflected by the object or transmitted through the object and light reflected by the reflective mirror, a first image sensor receiving the interference light and sensing interference information for the interference light, a second image sensor receiving the light reflected by the object or transmitted through the object and sensing information for the received light, and an image processor deriving a shape of the object based on the interference information sensed by the first image sensor and the information sensed by the second image sensor.

公开(公告)号：US11911106B2

公开(公告)日：2024-02-27

申请号：US16719971

申请日：2019-12-18

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Kwanghoon Lee ,  Sungguk Chun ,  Seonkyu Yoon ,  Seon Man Kim

IPC: A61B3/117 ,  A61B3/10 ,  G02C7/02

CPC classification number: A61B3/1176 ,  A61B3/1015 ,  G02C7/02 ,  G02C2202/10

Abstract: An optical modulator is disposed in front of an eye along a direction in which light enters the eye to modulate the properties of light depending on the degree of opacity of the eye.

公开(公告)号：US20240016406A1

公开(公告)日：2024-01-18

申请号：US18253072

申请日：2021-02-16

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Gi Dong SA ,  Ja Yeon KIM ,  Sa Ung KIM ,  Ji Ho JEONG ,  Eunbee KIM

IPC: A61B5/0537 ,  A61B5/00

CPC classification number: A61B5/0537 ,  A61B5/0077 ,  A61N5/0616

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.