Patents Assigned to SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
  • Patent number: 11233176
    Abstract: A semiconductor device according to an embodiment may include a light emitting structure, a first electrode, a second electrode, a first insulating reflective layer, a second insulating reflective layer, a first bonding pad, and a second bonding pad. The light emitting structure may include a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first insulating reflective layer may be disposed on the first electrode and the second electrode, and may include a first opening exposing an upper surface of the first electrode. The second insulating reflective layer may be disposed on the first electrode and the second electrode, and disposed spaced apart from the first insulating reflective layer, and may include a second opening exposing an upper surface of the second electrode. The first bonding pad may be electrically connected to the first electrode through the first opening.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: January 25, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Chang Hyeong Lee, Gyu Hyeong Bak, Yong Seon Song, Byung Yeon Choi, Sung Min Hwang
  • Patent number: 11227973
    Abstract: Disclosed according to an embodiment is a semiconductor device comprising: a semiconductor structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; and a second electrode electrically connected to the second conductive semiconductor layer, wherein the semiconductor structure includes a third conductive semiconductor layer disposed between the second conductive semiconductor layer and the second electrode, the first conductive semiconductor layer includes a first dopant, the second conductive semiconductor layer includes a second dopant, the third conductive semiconductor layer includes the first dopant and the second dopant, and the concentration ratio between the first dopant and the second dopant included in the third conductive semiconductor layer ranges f
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: January 18, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Rak Jun Choi, Byeoung Jo Kim
  • Patent number: 11217724
    Abstract: A semiconductor device according to the present invention comprises: a conductive substrate; a semiconductor structure disposed on the conductive substrate and comprising a first conductive-type semiconductor layer, a second conductive-type semiconductor layer, and an active layer disposed between the first conductive-type semiconductor layer and the second conductive-type semiconductor layer; and a first electrode disposed on the semiconductor structure and electrically connected to the first conductive-type semiconductor layer, wherein the semiconductor structure further comprises a 1-1 conductive-type semiconductor layer between the first conductive-type semiconductor layer and the first electrode; and the top surface of the semiconductor structure comprises a flat part, on which the first electrode is disposed, and a concave-convex part surrounding the flat part, wherein a second distance, which is from the bottom surface of the semiconductor structure to the bottom surface of the concave-convex part cont
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: January 4, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Duk Hyun Park, Byung Hak Jeong
  • Publication number: 20210399176
    Abstract: A semiconductor device including a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer; a first electrode provided on a first surface of the first semiconductor layer; a second electrode provided on a first surface of the second semiconductor layer, the active layer being provided between the first surface of the first semiconductor layer and a second surface of the second semiconductor layer that is opposite to the first surface of the second semiconductor layer; a first insulation layer provided on the first surface of the first semiconductor layer, the first surface of the second semiconductor layer, and a side surface of the active layer; a first cover electrode provided on the first electrode; a second cover electrode provided on the second electrode, a second insulation layer provided on the first cover electrode, the second cover electrode, and the first insulation layer, wherein: the second insulation layer includes a first opening over the
    Type: Application
    Filed: August 30, 2021
    Publication date: December 23, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Youn Joon SUNG, Min Sung KIM, Eun Dk LEE
  • Publication number: 20210399528
    Abstract: An embodiment relates to a surface emitting laser device and a light emitting device including the same. A surface emitting laser device according to the embodiment may include a first reflective layer; an active layer disposed on the first reflective layer; an aperture area disposed on the active layer and including an aperture and an insulating region; and a second reflective layer disposed in the aperture area. The active layer may comprise a plurality of quantum wells, quantum barriers, and intermediate layers disposed between the quantum wells and the quantum barriers. The quantum wells and the quantum barriers may include a ternary material, and the intermediate layers may comprise a binary material.
    Type: Application
    Filed: October 29, 2019
    Publication date: December 23, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Keun Uk PARK, Jeong Sik LEE
  • Patent number: 11205740
    Abstract: A light emitting device package according to an embodiment has a first frame and a second frame arranged to be spaced apart from each other, a third frame arranged between the first frame and the second frame and spaced apart from the first frame and the second frame, a body supporting the first to third frames, a first light emitting device arranged on the body and electrically connected to the first frame and the third frame, and a second light emitting device arranged on the body and electrically connected to the second frame and the third frame. The body has a first recess in an upper area between the first frame and the third frame, and a second recess in an upper area between the third frame and the second frame. An embodiment may have a first resin part arranged in the first recess, and a second resin part arranged in the second recess.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 21, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Chang Man Lim, Ki Seok Kim, Won Jung Kim, June O Song
  • Publication number: 20210367041
    Abstract: A semiconductor device comprises: a first conductive semiconductor layer; an active layer; and a second conductive semiconductor layer, wherein the semiconductor device includes first to fourth points that are defined by using In ion intensity, Si concentration, and C concentration which are obtained from SIMS data. The active layer may be a first region between the first point and the second point. The C concentration in a third region between the third point and the fourth point may be higher than the C concentration in a second region adjacent to the fourth region along a second direction. The Si concentration in the second region may be higher than the Si concentration in the third region.
    Type: Application
    Filed: December 21, 2018
    Publication date: November 25, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Dae Seob HAN, Kwang Sun BAEK, Young Suk SONG
  • Patent number: 11183813
    Abstract: Surface-emitting laser devices and light-emitting devices including the same are provided. A surface-emitting laser device can include: a first reflective layer and a second reflective layer; and an active region disposed between the first reflective layer and the second reflective layer, wherein the first reflective layer includes a first group first reflective layer and a second group first reflective layer, and the second reflective layer includes a first group second reflective layer and a second group second reflective layer.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: November 23, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Ho Jae Kang, Jung Hun Jang
  • Patent number: 11183614
    Abstract: One embodiment discloses a semiconductor device comprising: a semiconductor structure, which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses arranged up to a partial area of the first conductive semiconductor layer by penetrating the second conductive semiconductor layer and the active layer, and a second recess arranged between the plurality of first recesses; a plurality of first electrodes arranged inside the plurality of first recesses, and electrically connected with the first conductive semiconductor layer; a plurality of second electrodes electrically connected to the second conductive semiconductor layer; and a reflective layer arranged inside the second recess, wherein the sum of the area of the plurality of first recesses and the area of the second recess is 60% or less of the maximum area i
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: November 23, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Su Ik Park
  • Publication number: 20210344171
    Abstract: An embodiment relates to a surface emitting laser device and a light emitting device including the same. The surface emitting laser device according to the embodiment includes: a first emitter having a first aperture and a first insulating region; a second emitter having a second aperture and a second insulating region and disposed adjacent to the first emitter; a third emitter having a third aperture and a third insulating region and disposed adjacent to the first emitter and the second emitter; and a first trench region disposed between the first emitter and the third emitter. The first trench region is disposed inside a virtual triangle connecting a center of the first aperture of the first emitter, a center of the second aperture of the second emitter, and a center of the third aperture of the third emitter.
    Type: Application
    Filed: August 27, 2019
    Publication date: November 4, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Su Jung YOON, Jeong Sik LEE, Yong Gyeong LEE
  • Patent number: 11134856
    Abstract: A biometric data measurement device includes a light radiation unit configured to radiate green light having a full width at half maximum (FWHM) greater than or equal to 50 nm to a human body of a user; a light receiver configured to receive light reflected from or transmitted through the human body after being radiated from the light radiation unit; and a controller configured to calculate biometric data of the user using the received light wherein a lower wavelength limit of the FWHM is less than 500 nm, and an upper wavelength limit of the FWHM is greater than 520 nm.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 5, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Chong Cook Kim
  • Publication number: 20210305461
    Abstract: One embodiment discloses a semiconductor device comprising: a semiconductor structure, which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses arranged up to a partial area of the first conductive semiconductor layer by penetrating the second conductive semiconductor layer and the active layer, and a second recess arranged between the plurality of first recesses; a plurality of first electrodes arranged inside the plurality of first recesses, and electrically connected with the first conductive semiconductor layer; a plurality of second electrodes electrically connected to the second conductive semiconductor layer; and a reflective layer arranged inside the second recess, wherein the sum of the area of the plurality of first recesses and the area of the second recess is 60% or less of the maximum area i
    Type: Application
    Filed: July 20, 2017
    Publication date: September 30, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Su Ik PARK
  • Publication number: 20210305458
    Abstract: Disclosed in an embodiment is a semiconductor device comprising: a substrate; a light emitting structure including a first conductive semiconductor layer and a second conductive semiconductor layer, which are arranged on the substrate, an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer, a concave part that is concave on the second conductive semiconductor layer toward the first conductive semiconductor layer, and a recess; a first electrode arranged on the concave part and electrically connected to the first conductive semiconductor layer; a second electrode arranged on the light emitting structure and electrically connected to the second conductive semiconductor layer; a first pad arranged on the first electrode; and a second pad arranged on the second electrode, wherein the recess separates the second conductive semiconductor layer and the active layer into an active region and an inactive region, and the first pad vertically overlaps the
    Type: Application
    Filed: August 6, 2019
    Publication date: September 30, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Youn Joon SUNG
  • Publication number: 20210305465
    Abstract: Disclosed in an embodiment is a light-emitting element package comprising: a body including a cavity; a light-emitting element arranged on the bottom surface of the cavity and including a first conductive type semiconductor layer, a second conductive type semiconductor layer and an active layer, which is arranged between the first conductive type semiconductor layer and the second conductive type semiconductor layer; and a light-transmitting member arranged on the upper part of the cavity, wherein the body includes: a lower body including the bottom surface of the cavity; an upper body including the lateral surface of the cavity; and a first insulating layer arranged between the lower body and the upper body, the lower body includes a first conductive body and a second conductive body insulated and arranged together with the first conductive body, the first conductive type semiconductor layer is electrically connected with the first conductive body, the second conductive type semiconductor layer is electrical
    Type: Application
    Filed: March 4, 2019
    Publication date: September 30, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Koh Eun LEE
  • Publication number: 20210286235
    Abstract: An embodiment relates to a light emitting module, a flash module, and a terminal including the same. The light emitting module according to an embodiment comprises: a semiconductor layer; a phosphor layer arranged on one surface of the semiconductor layer; a plurality of light emitting chips including a plurality of electrodes arranged on a surface facing one surface of the semiconductor layer; a first partition arranged at one side of the plurality of light emitting chips, and a second partition arranged at the other side of the plurality of light emitting chips so as to face the first partition; and an opaque molding part, which encompasses the plurality of light emitting chips such that the upper surface of the phosphor layer and the bottom surfaces of the plurality of electrodes are exposed to the outside, and is arranged on the inner side of the first and second partitions.
    Type: Application
    Filed: August 8, 2017
    Publication date: September 16, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Tae Sung LEE, Jang Hoon JEONG, Min Ji JIN, Young Kyu JEONG
  • Publication number: 20210288219
    Abstract: An embodiment provides a semiconductor device comprising: a substrate; a bonding layer disposed on the substrate; an electrode layer disposed on the bonding layer; a semiconductor structure disposed on the electrode layer and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; and a second electrode electrically connected to the second conductive semiconductor layer, wherein the second conductive semiconductor layer includes a through-hole, and the second electrode is disposed in the through-hole so as to be electrically connected to the electrode layer.
    Type: Application
    Filed: July 2, 2019
    Publication date: September 16, 2021
    Applicant: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Duk Hyun PARK, Byung Hak JEONG, Jee Yun LEE
  • Patent number: 11121284
    Abstract: Disclosed in an embodiment is a semiconductor device comprising: a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected to the first conductive semiconductor layer; a second electrode electrically connected to the second conductive semiconductor layer; a reflective layer disposed on the second electrode and including a first metal; and a nitride of the first metal between the second electrode and the reflective layer.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 14, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Ki Man Kang, Eun Dk Lee, Hyun Soo Lim, Youn Joon Sung
  • Patent number: RE48774
    Abstract: Disclosed is a semiconductor light emitting device. The semiconductor light emitting device includes a plurality of compound semiconductor layers including a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; a pad on the plurality of compound semiconductor layers; an electrode layer under the plurality of compound semiconductor layers; and a supporting member disposed under the plurality of compound semiconductor layers and corresponding to the pad.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: October 12, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventor: Hwan Hee Jeong
  • Patent number: RE48858
    Abstract: Embodiments provide a light emitting device package including a package body having a through-hole; a radiator disposed in the through-hole and including an alloy layer having Cu; and a light emitting device disposed on the radiator, wherein the alloy layer includes at least one of W or Mo, and wherein the package body includes cavity including a sidewall and a bottom surface, and wherein the through-hole is formed in the bottom surface.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 21, 2021
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Su Jung Jung, Yon Tae Moon, Young Jun Cho, Son Kyo Hwang, Byung Mok Kim, Seo Yeon Kwon
  • Patent number: RE48892
    Abstract: An embodiment relates to a light emitting device package and a lighting apparatus having the same. According to the embodiment, a light emitting device package includes a first lead frame; a second lead frame spaced apart from the first lead frame; a body coupled to the first lead frame and the second lead frame and includes a first cavity which exposes a portion of the upper surface of the first lead frame, a second cavity which exposes a portion of the upper surface of the second lead frame, and a spacer which is disposed between the first lead frame and the second frame; at least one light emitting device disposed in the first cavity; and a protection device disposed in the second cavity. The second cavity is disposed on a first inside surface of the first cavity and the first inside surface is connected to an upper surface of the spacer, and an area of a bottom surface of the first cavity is equal to or less than 40% of entire area of the body.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: January 11, 2022
    Assignee: SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
    Inventors: Chang Man Lim, Won Jung Kim, Hyoung Jin Kim, Bong Kul Min, Ho Young Chung