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.

公开(公告)号：US20220208036A1

公开(公告)日：2022-06-30

申请号：US17403993

申请日：2021-08-17

Applicant: Korea Photonics Technology Institute

Inventor： Seon Kyu Yoon ,  Ha Mong Shim

IPC: G09G3/00 ,  G09G3/36 ,  G09G3/34 ,  G02F1/1335 ,  G02F1/1362 ,  G02B27/01 ,  G02F1/13357

Abstract: According to an embodiment, an augmented reality optical device comprises a light source unit including a plurality of light sources and outputting a plurality of light beams having different light paths, a display element receiving the light beams from the light source unit and reflecting augmented reality images, a reflector reflecting the light beams output from the light source unit and transmitting the augmented reality images reflected by the display element, a beam splitter reflecting the augmented reality images transmitted through the reflector and transmitting real-world light to a user's eye, and a controller controlling the light source unit and the display element.

公开(公告)号：US20220003382A1

公开(公告)日：2022-01-06

申请号：US17290008

申请日：2018-12-28

Applicant: Korea Photonics Technology Institute

Inventor： Sang-Yoo KIM ,  Kwang-Woo PARK ,  Jong-Guck KIM ,  Su-Bin NO

IPC: F21S43/50 ,  F21S43/20 ,  F21V3/04 ,  F21S43/37 ,  F21V14/04

Abstract: The present invention relates to a rear lamp which has a 3D light distribution effect so as to represent a sense of depth by the infinity mirror effect and, more specifically, to a rear lamp configured to produce a movable light distribution image.

公开(公告)号：US11098865B2

公开(公告)日：2021-08-24

申请号：US16882790

申请日：2020-05-26

Applicant: Korea Photonics Technology Institute

Inventor： Hyojin Kim

IPC: F21S9/03 ,  F21V33/00 ,  H01L31/0224 ,  H01L27/32

Abstract: According to an embodiment, a light source-solar cell complex comprises a plurality of layers receiving light to generate current or receiving power to emit a preset wavelength band of light and a plurality of connectors grown between the layers and transferring the current generated from the layers to an outside or transferring power from the outside to each layer.

公开(公告)号：US20210191115A1

公开(公告)日：2021-06-24

申请号：US16719981

申请日：2019-12-19

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Seonkyu YOON ,  Sungkuk Chun ,  Kwanghoon Lee

IPC: G02B27/01 ,  G02B27/28 ,  G02B27/42

Abstract: An augmented reality device includes an image output unit disposed at a preset angle from a horizontal direction to output an augmented reality image of a preset polarization direction, a polarization reflection film reflecting light of the preset polarization direction and transmitting other light than the light of the preset polarization direction, and an optical component disposed on a light path of an image output from the image output unit. The optical component has a preset refractive index and a preset shape. The polarization reflection film is applied on a first surface of the optical component which is positioned farther away from the image output unit.

公开(公告)号：US20210128933A1

公开(公告)日：2021-05-06

申请号：US16685360

申请日：2019-11-15

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： GiDong SA ,  Ja-Yeon KIM ,  Sun-Hee AHN ,  JinYoung AN ,  Sa-Ung KIM ,  EunBee KIM ,  Ji-Ho JEONG

IPC: A61N5/06

Abstract: Disclosed herein is a capsule type photodynamic therapy apparatus. The apparatus has an anchor packaged with a silicone dome to anchor the apparatus to target tissue in a body by an endoscope, and includes a battery to communicate with an external device via human body communication in the silicone dome, and is repeatedly operated several times under the control of the external device to irradiate the target tissue with a therapeutic light source and thereby repeatedly treat the target tissue several times.