Patents Assigned to Seoul Viosys Co., Ltd.
  • Patent number: 11879602
    Abstract: Disclosed herein are a light source module for plant cultivation and a light device including the same. The light source module for plant cultivation may include at least one main light source emitting white light. The white light from the main light source is provided to a plant during cultivation to improve the growth and phytochemical content of the plant. In addition, the white light may have peak wavelengths of 430 nm or less, 440 nm to 460 nm, 510 nm to 530 nm, and 600 nm to 630 nm.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: January 23, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Sang Min Ko
  • Patent number: 11876069
    Abstract: A display apparatus including a circuit board, at least one LED stack configured to emit light, electrode pads disposed on the at least one LED stack and electrically connected to the at least one LED stack, and electrodes disposed on the electrode pads and electrically connected to the electrode pads, respectively, in which each of the electrodes has a fixed portion that is fixed to one of the electrode pads and an extending portion that is spaced apart from the one of the electrode pads, and the electrodes include at least two metal layers having different thermal expansion coefficients from each other.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: January 16, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Jong Hyeon Chae
  • Patent number: 11876156
    Abstract: A light emitting device including first, second, and third light emitting parts disposed near each other and each including a first-type semiconductor layer, a first active layer, and a second-type semiconductor layer, a first pad electrically coupled with the second-type semiconductor layer of the first light emitting part, a second pad electrically coupled with the second-type semiconductor layer of the second light emitting part, a third pad electrically coupled with the second-type semiconductor layer of the third light emitting part, and a common pad electrically coupled with the first-type semiconductor layer of the first, second, and third light emitting parts, in which, in a current density per light emitting part of about 20 A/cm2, one of the first, second, and third light emitting parts that is configured to emit light having the longest peak wavelength has a largest normalized external quantum efficiency.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: January 16, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Seong Gyu Jang, Ho Joon Lee, Jong Hyeon Chae
  • Patent number: 11864547
    Abstract: An adhesive-type insect trap includes a body having a hole for insertion of an adhesive sheet; a light source mounting unit disposed on the body; and a cover which is detachably mounted on the body and has a through-hole in at least a part thereof, and an adhesive sheet including a sticky substance and a sheet. The body includes a guide unit by which the adhesive sheet is guided, and the cover comprises a light refraction unit therein or on a surface thereof.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 9, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Sang Hyun Chang, Hoon Sik Eom, Si Ho Yu, Gwang Ryong Lee, Chung Hoon Lee, Sung Il Park
  • Patent number: 11862616
    Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: January 2, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, Dae Sung Cho, So Ra Lee
  • Patent number: 11862455
    Abstract: A chip-scale package type light emitting diode includes a first conductivity type semiconductor layer, a mesa, a second conductivity type semiconductor layer, a transparent conductive oxide layer, a dielectric layer, a lower insulation layer, a first pad metal layer, and a second pad metal layer, an upper insulation layer. The upper insulation layer covers the first pad metal layer and the second pad metal layer, and includes a first opening exposing the first pad metal layer and a second opening exposing the second pad metal layer. The openings of the dielectric layer include openings that have different sizes from one another.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: January 2, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Kyu Kim, Min Woo Kang, Se Hee Oh, Hyoung Jin Lim
  • Patent number: 11855052
    Abstract: A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate, and micro LEDs disposed on the first substrate, the second micro LED module includes a second substrate, and micro LEDs disposed on the second substrate. The first substrate includes a lower body and a top plate located on the lower body. The lower body is recessed from an edge of the top plate, and the second micro LED module is disposed between recessed lower bodies of adjacent first micro LED modules.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: December 26, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung Cho, So Ra Lee
  • Patent number: 11855121
    Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: December 26, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
  • Publication number: 20230411438
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. the first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate. At least one of the second conductivity type semiconductor layers in the first to third light emitting stacks is divided into two regions.
    Type: Application
    Filed: July 20, 2023
    Publication date: December 21, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon LEE, So Ra LEE
  • Patent number: 11844957
    Abstract: A lighting apparatus is disclosed.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: December 19, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Hee Ho Bae, A Young Lee, Yeong Min Yoon
  • Patent number: 11848398
    Abstract: A flat bonding method of light emitting devices including bonding light emitting devices on a circuit board using a reflow process, and re-bonding at least a portion of the light emitting devices bonded on the circuit board using a press plate while pressing the portion of the light emitting devices.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: December 19, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventor: Ik Kyu You
  • Publication number: 20230402566
    Abstract: A di-chromic device according to an embodiment of the present disclosure includes a base, a first conductivity type semiconductor region disposed on the base, a control portion disposed on the first conductivity type semiconductor region, a color region formed on the control portion, and a second conductivity type semiconductor region disposed on the color region, in which the control portion is configured to relieve strain in the color region, the color region includes a first color portion and a second color portion, and the first color portion includes a color material having a composition different from that of the second color portion.
    Type: Application
    Filed: November 17, 2022
    Publication date: December 14, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Hong Jae YOO, Sung Ryong CHO
  • Patent number: 11842987
    Abstract: A display panel including a circuit board having pads, light emitting devices electrically connected to the pads and arranged on the circuit board, each light emitting device having a first surface facing the circuit board and a second surface opposite to the first surface, a buffer material layer disposed between the circuit board and the light emitting devices to fill a space between the circuit board and the light emitting devices, and a cover layer covering the second surface of the light emitting devices, in which the buffer material layer is disposed under the first surfaces of the light emitting devices and has grooves in a region between adjacent light emitting devices, a portion of a top surface of the buffer material layer is disposed between adjacent light emitting devices, and the cover layer fills the grooves of the buffer material layer.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: December 12, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Seong Kyu Jang, Seom Geun Lee, Chan Seob Shin, Ho Joon Lee
  • Patent number: 11843076
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: December 12, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
  • Patent number: 11843077
    Abstract: A unit pixel includes a transparent substrate, a plurality of light emitting devices arranged on the transparent substrate, and an optical layer disposed between the light emitting devices and the transparent substrate and transmitting light emitted from the light emitting devices. The transparent substrate has a concavo-convex pattern on a surface facing the light emitting devices.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: December 12, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Namgoo Cha, Sangmin Kim, Jung Hwan Ahn, Jae Hee Lim
  • Patent number: 11837625
    Abstract: A display apparatus including a display substrate, light emitting devices disposed on the display substrate, circuit electrodes disposed between the light emitting devices and the display substrate, and a transparent layer covering the light emitting devices and the circuit electrodes, in which at least one of the light emitting devices includes a first LED sub-unit configured to emit light having a first wavelength, a second LED sub-unit adjacent to the first LED sub-unit and configured to emit light having a second wavelength, a third LED sub-unit adjacent to the second LED sub-unit and configured to emit light having a third wavelength, and a substrate disposed on the third LED sub-unit, in which a difference in refractive indices between the transparent layer and air is less than a difference in refractive indices between the substrate and a semiconductor layer of the third LED sub-unit.
    Type: Grant
    Filed: October 30, 2022
    Date of Patent: December 5, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, Dae Sung Cho
  • Patent number: 11830968
    Abstract: A display device including a base substrate having a front surface and a rear surface, and including a first recess portion recessed from the front surface, a plurality of outer electrodes disposed on the base substrate, a light emitting device disposed in the first recess portion and configured to emit light in a direction away from the base substrate, the light emitting device including a light emitting structure electrically connected to the outer electrodes.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: November 28, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Myoung Hak Yang
  • Publication number: 20230378412
    Abstract: A light emitting device including a first light emitter, a second light emitter, and a third light emitter, each including a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. An adhesive layer includes a first adhesive portion disposed between the first light emitter, and the second light emitter, and a second adhesive portion disposed between the second light emitter and the third light emitter, in which the second light emitter is disposed between the first light emitter and the third light emitter, and the first adhesive portion and the second adhesive portion are optically transmitting and connect adjacent light emitters.
    Type: Application
    Filed: May 22, 2023
    Publication date: November 23, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Min JANG, Chang Yeon KIM
  • Publication number: 20230378394
    Abstract: A light emitting device includes a substrate; a pattern of a plurality of protrusions protruding from the substrate; a first semiconductor layer provided on the substrate; an active layer provided on the first semiconductor layer; and a second semiconductor layer provided on the active layer, in which each of the protrusions includes a first layer formed integrally with the substrate and protruding from an upper surface of the base substrate; and a second layer provided on the first layer and formed of a material different from that of the first layer.
    Type: Application
    Filed: May 22, 2023
    Publication date: November 23, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Hong MIN, Jun Ho YOON, Woo Cheol GWAK, Jin Woo HUH, Yong Hyun BAEK
  • Patent number: 11824141
    Abstract: A light emitting device including a cell area, a peripheral area surrounding the cell area, a light source disposed in the cell area and including at least one light emitting layer, a first light shielding layer disposed in the cell area and the peripheral area, a portion of the first light shielding layer overlapping with the light source, and a rough structure disposed in the cell area and overlapping with the light source.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 21, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Chung Hoon Lee