公开(公告)号：US20240063608A1

公开(公告)日：2024-02-22

申请号：US18232922

申请日：2023-08-11

Applicant: Korea Photonics Technology Institute

Inventor： Keon Hwa LEE ,  Young Hee CHOI

IPC: H01S5/183 ,  H01S5/32

CPC classification number: H01S5/18377 ,  H01S5/3216 ,  H01S5/18347 ,  H01S2301/176

Abstract: Disclosed are a micro VCSEL with improved beam quality and a micro VCSEL array. An embodiment of the present invention provides a micro VCSEL with improved beam quality of light or laser to be oscillated and a micro VCSEL array capable of improving manufacturing efficiency and minimizing efficiency degradation due to errors occurring during a transfer.

公开(公告)号：US20240128714A1

公开(公告)日：2024-04-18

申请号：US18485436

申请日：2023-10-12

Applicant: Korea Photonics Technology Institute

Inventor： Keon Hwa LEE

IPC: H01S5/042 ,  H01S5/062 ,  H01S5/183 ,  H01S5/42

CPC classification number: H01S5/04256 ,  H01S5/06203 ,  H01S5/18313 ,  H01S5/18361 ,  H01S5/423

Abstract: Disclosed are a VCSEL diode and a VCSEL diode array having a common anode structure. An aspect of the present disclosure provides the VCSEL diode and the VCSEL diode array, which smoothly perform an operation and improve the quality of output light because the VCSEL diode and the VCSEL diode array have a common anode structure.

公开(公告)号：US20230396039A1

公开(公告)日：2023-12-07

申请号：US18234954

申请日：2023-08-17

Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE

Inventor： Keon Hwa LEE ,  Young Ho SONG

IPC: H01S5/42 ,  H01S5/0236 ,  H01S5/183

CPC classification number: H01S5/423 ,  H01S5/0236 ,  H01S5/18344 ,  H01S5/18341

Abstract: A vertical cavity surface emitting laser (VCSEL) chip, a VCSEL array, and a method of manufacturing the VCSEL array are disclosed. The VCSEL array includes a substrate, an adhesive layer coated on the substrate, a VCSEL chip disposed on the adhesive layer and fixed to the adhesive layer and configured to oscillate light or a laser by being supplied with power, a polymer coated on the VCSEL chip and the adhesive layer, and an interconnector electrically connected to the VCSEL chip.

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.