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.

公开(公告)号：US20230401845A1

公开(公告)日：2023-12-14

申请号：US18235388

申请日：2023-08-18

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Seon Hoon KIM ,  Doo Gun KIM ,  Young Ho SONG ,  Seung Heon HAN ,  Ju Hyeon CHOI ,  Jeong Hwan IN

IPC: G06V20/17 ,  G05D1/00 ,  G05D1/10 ,  G06V10/764 ,  G06V10/774 ,  G06V20/10 ,  G06V20/68

CPC classification number: G06V20/17 ,  G05D1/0094 ,  G05D1/101 ,  G06V10/764 ,  G06V10/774 ,  G06V20/188 ,  G06V20/68 ,  B64U10/13

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.

公开(公告)号：US11765524B1

公开(公告)日：2023-09-19

申请号：US18196047

申请日：2023-05-11

Applicant: Korea Photonics Technology Institute

Inventor： Seon Man Kim ,  Kwang Hoon Lee

IPC: H04R25/00 ,  H04S3/00

CPC classification number: H04R25/505 ,  H04R25/604 ,  H04R25/609 ,  H04S3/008 ,  H04R2225/41 ,  H04S2400/01

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.

公开(公告)号：US20230170467A1

公开(公告)日：2023-06-01

申请号：US17883650

申请日：2022-08-09

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Myung Woo SON ,  Yong Hyun KIM

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/0428 ,  H01M4/386 ,  H01M4/583 ,  H01M10/0525 ,  H01M2004/027

Abstract: According to an embodiment, an anode active material included in an anode material of a battery comprises a carbon material and a silicon structure attached to the carbon material. The silicon structure includes a silicon nanoparticle, a metal thin film formed on a surface of the silicon nanoparticle, and graphene coated on a surface of the metal thin film.

公开(公告)号：US20230163569A1

公开(公告)日：2023-05-25

申请号：US17989803

申请日：2022-11-18

Applicant: Korea Photonics Technology Institute

Inventor： Keon Hwa LEE

IPC: H01S5/183 ,  H01S5/42 ,  H01S5/042

CPC classification number: H01S5/18361 ,  H01S5/423 ,  H01S5/0425

Abstract: Disclosed is a VCSEL array with improved optical properties. According to one aspect of the present embodiment, a VCSEL array has improved output light characteristics by minimizing the effects of resistance, inductance, and capacitance inevitably caused in a package.

公开(公告)号：US11589739B2

公开(公告)日：2023-02-28

申请号：US16545893

申请日：2019-08-20

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Byeong-Il Lee ,  In-Hee Shin

IPC: A61B1/04 ,  H04N5/232 ,  A61B1/24 ,  A61B5/00 ,  A61B5/11 ,  G06T7/00 ,  H04N5/225 ,  A61B1/00

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.

公开(公告)号：US11550145B2

公开(公告)日：2023-01-10

申请号：US16719960

申请日：2019-12-18

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Kwanghoon Lee ,  Dongkil Lee ,  Sungguk Chun ,  Sungjoon Kim ,  Seonkyu Yoon

IPC: G02B26/08 ,  G02B27/10 ,  G06T19/00 ,  H04N5/238 ,  H04N5/33

Abstract: An augmented reality optical device includes an image generator receiving a preset wavelength range of light reflected by an affected part and generating an affected part image, an image output unit outputting a visible wavelength range of light corresponding to the affected part image, a first mirror unit reflecting the light output from the image output unit, a lens unit focusing the reflected light, a beam splitter reflecting a preset wavelength range of light incident from the outside in a preset direction and transmitting a portion of an incident visible wavelength range of light to a user's pupil (or in the preset direction) while reflecting another portion of the incident visible wavelength range of light in the preset direction (or to the user's pupil), and a second mirror unit re-reflecting the preset wavelength range of light reflected by the beam splitter to the image generator.

公开(公告)号：US11539926B2

公开(公告)日：2022-12-27

申请号：US17160641

申请日：2021-01-28

Applicant: Korea Photonics Technology Institute

Inventor： Seon Kyu Yoon ,  Sung Kuk Chun ,  Ha Mong Shim ,  Sungjoon Kim

IPC: H04N9/31 ,  G06F3/01

Abstract: According to an embodiment, an image projection device outputting an image to a screen comprises an input unit receiving an image from an outside, a sensor unit sensing a viewer's position and gaze direction, a controller correcting the received image into a preset model based on the viewer's position and gaze direction sensed by the sensor unit, and an output unit outputting the preset model.

公开(公告)号：US11497400B2

公开(公告)日：2022-11-15

申请号：US16610533

申请日：2018-11-30

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Jaesung Ahn ,  Hyeong Ju Park ,  Anjin Park ,  Joo Beom Eom ,  Jonghyun Eom ,  Hong Lyel Jung

IPC: A61B5/00 ,  A61B5/01 ,  A61N5/06 ,  G02B5/20 ,  G02B13/14 ,  G02B27/14

Abstract: The present invention relates to a hybrid imaging system for photodiagnosis and phototherapy and, more particularly, to a hybrid imaging system for photodiagnosis and phototherapy, which simultaneously acquires a visible ray image or a near-infrared ray image and a lonq wave infrared ray image by using an optical method. The hybrid imaging system for photodiagnosis and phototherapy according to the present invention includes a light distribution unit, a visible ray/near-infrared ray measurement unit, a long wave infrared ray measurement unit, and a light source unit, thereby simultaneously and quickly extracting a visible ray image, a near-infrared ray image, and a long wave infrared ray image without mutual distortion.