Patents Assigned to Seoul Semiconductor Co., Ltd.
  • Publication number: 20240145639
    Abstract: A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju Kim
  • Patent number: 11908984
    Abstract: The present disclosure relates to a light-emitting device. The light-emitting device includes a substrate, a first light-emitting chip, a first wavelength conversion member, and a barrier member. The first light-emitting chip is mounted on the substrate. The first wavelength conversion member covers the upper surface of the first light-emitting chip. A first reflective member covers the side surface of the first wavelength conversion member. Further, the barrier member includes an outer wall surrounding the side surfaces of the first light-emitting chip and the first reflective member.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 20, 2024
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Hye In Kim, Jung Hun Son
  • Patent number: 11881473
    Abstract: A display apparatus including a plurality of display modules each including a module substrate and a plurality of light emitting devices mounted on the module substrate, and a support substrate on which the display modules are disposed and including conductive members, in which the module substrates includes a plurality of recesses depressed from at least one end surface of the module substrate, and connection electrodes formed in the recesses, and the light emitting devices are electrically connected to the conducive members of the support substrate through the connection electrodes.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: January 23, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Chung Hoon Lee
  • Patent number: 11876151
    Abstract: A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.
    Type: Grant
    Filed: October 1, 2022
    Date of Patent: January 16, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju Kim
  • Patent number: 11870016
    Abstract: A light emitting device is adapted to realize white light and includes a first light emitting diode chip emitting light having a first peak wavelength in the range of 400 nm to 420 nm, a second light emitting diode chip emitting light having a second peak wavelength in the range of 420 nm to 440 nm, and a wavelength converter covering the first and second light emitting diode chips. The wavelength converter including a blue phosphor, a green phosphor, and a red phosphor. When a maximum value of a spectral power distribution of the light emitting device or a maximum of a reference spectral power distribution of black body radiation is 100%, a difference between the spectral power distribution of the light emitting device and the reference spectral power distribution is less than 20% at each wavelength in the wavelength range of 440 nm to 640 nm.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: January 9, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Bo Yong Han
  • Publication number: 20240006562
    Abstract: A display apparatus including a display panel, and a backlight to provide light toward the display panel, the backlight including a circuit board, an optical layer disposed on the circuit board, at least one light emitter disposed between the circuit board and the optical layer and including a light emitting structure disposed on the circuit board and having first and second conductivity type semiconductor layers and an active layer therebetween, first and second electrode pads electrically connected to the first and second conductivity type semiconductor layers, respectively, a reflector on the light emitting structure, a light transmitting layer disposed on the circuit board and contacting the light emitter, and a dam disposed on the circuit board and surrounding the light emitter and including a portion having a curved shape.
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju KIM
  • Patent number: 11848405
    Abstract: A backlight unit includes one or more light sources operable to emit light and a light guide plate arranged adjacent to the one or more light sources, reflected lights exiting the one or more light sources via the second surfaces and entering the light guide plate. A light source includes a light emitting device having a substrate and a semiconductor stack disposed on the substrate. The reflector is structured and positioned to block light emitted from a first surface of the light emitting device by reflecting the light emitted from the first surface toward second surfaces of the light source.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: December 19, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Young Jun Song, Da Hye Kim, Seoung Ho Jung
  • Patent number: 11848316
    Abstract: A display apparatus including a panel substrate, and a light emitting source disposed on the panel substrate, in which the light emitting source includes a substrate, an electrode disposed on the substrate, a light emitting structure disposed on the electrode and having an n-type semiconductor layer, a p-type semiconductor layer, an n-type electrode, and a p-type electrode, a transparent electrode disposed on the light emitting structure, and an adhesive layer disposed on the light emitting structure, the n-type electrode is electrically connected to the electrode, the p-type electrode is electrically connected to the transparent electrode, and the adhesive layer is disposed between the p-type electrode and the transparent electrode.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: December 19, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 11848404
    Abstract: A light emitting device includes a light emitting diode chip, a light transmitting member, a white barrier member, and a conductive adhesive member. The light emitting diode chip has a bump pad formed on the lower surface thereof. The light transmitting member covers the side surfaces and the upper surface of the light emitting diode chip, and the upper surface of the light transmitting member has a rectangular shape having long sides and short sides. The conductive adhesive member is formed to extend through the white barrier member from the bottom of the light emitting diode chip. The upper surface of the conductive adhesive member is connected to the bump pad of the light emitting diode chip, and the lower surface of the conductive adhesive member is exposed at the lower surface of the white barrier member.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: December 19, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventor: Ji Ho Kim
  • Publication number: 20230387098
    Abstract: A display apparatus includes a support substrate, a plurality of light emitting structures regularly arranged on the support substrate, and a wavelength conversion part disposed on the plurality of light emitting structures. The wavelength conversion part includes light transmitting portions and blocking portions, the light transmitting portions being disposed on the light emitting structures, respectively, and each of the light transmitting portions including a phosphor for converting a wavelength of light emitted from the corresponding light emitting structure. The support substrate includes a plurality of conductive patterns electrically connected to the light emitting structures, and the light emitting structures are coupled to the plurality of conductive patterns.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu TAKEYA, Young Hyun KIM
  • Patent number: 11824144
    Abstract: A light emitting device is adapted to realize white light and includes a first light emitting diode chip emitting light having a first peak wavelength in the range of 400 nm to 420 nm, a second light emitting diode chip emitting light having a second peak wavelength in the range of 420 nm to 440 nm, and a wavelength converter covering the first and second light emitting diode chips. The wavelength converter including a blue phosphor, a green phosphor, and a red phosphor. When a maximum value of a spectral power distribution of the light emitting device or a maximum of a reference spectral power distribution of black body radiation is 100%, a difference between the spectral power distribution of the light emitting device and the reference spectral power distribution is less than 20% at each wavelength in the wavelength range of 440 nm to 640 nm.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: November 21, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Bo Yong Han
  • Publication number: 20230369548
    Abstract: A light emitting module including a substrate, a first light emitter and a second light emitter disposed on the substrate and spaced apart from each other, an isolation layer disposed between the first and second light emitters, and a light diffusion layer and a wavelength converter disposed on the first and second light emitters, in which the first and second light emitters include first and second light emitting regions spaced apart from each other, respectively, the wavelength converter includes a first wavelength conversion layer covering the second light emitting region, and a second wavelength conversion layer covering the first light emitting region, the light diffusion layer covers an upper surface of the first and second wavelength conversion layers, and a region between the first and second wavelength conversion layers has an area vertically overlapped with the isolation layer.
    Type: Application
    Filed: July 25, 2023
    Publication date: November 16, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Min LEE, Bang Hyun KIM, Jae Ho LEE
  • Patent number: 11817440
    Abstract: A display apparatus includes a support substrate, a plurality of light emitting structures regularly arranged on the support substrate, and a wavelength conversion part disposed on the plurality of light emitting structures. The wavelength conversion part includes light transmitting portions and blocking portions, the light transmitting portions being disposed on the light emitting structures, respectively, and each of the light transmitting portions including a phosphor for converting a wavelength of light emitted from the corresponding light emitting structure. The support substrate includes a plurality of conductive patterns electrically connected to the light emitting structures, and the light emitting structures are coupled to the plurality of conductive patterns.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: November 14, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 11815258
    Abstract: A lens for dispersing light emitted from a light emitting device, the lens including a lower surface, a light incident portion having a concave shape from the lower surface, the light incident portion having a light incident surface, and a light exit portion through which light having entered the lens through the light incident portion exits the lens to an outside of the lens, in which the light incident surface includes at least one protruding light incident facet.
    Type: Grant
    Filed: November 21, 2021
    Date of Patent: November 14, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jae Eun Park, Eun Ju Kim
  • Publication number: 20230361258
    Abstract: A light emitting device includes a substrate on which a conductive pattern is disposed; a light emitting part including at least one light emitting chip; a light transmitting member disposed on the upper surface of the light emitting part; and a barrier member. The light transmitting member includes a pair of first side surfaces and a different pair of second side surfaces that face each other, and with respect to the lower surface, the first side surfaces may be formed at a first angle and the second side surfaces may be formed at a second angle, and the first angle may be smaller than the second angle.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Junghun SON, Hyein KIM, Junga HAN, Inbeom SONG
  • Publication number: 20230352646
    Abstract: A displaying apparatus including a panel substrate and pixel modules arranged thereon, each pixel module including a circuit board and unit pixels on the circuit board, in which each unit pixel includes light emitting devices longitudinally extending along a first direction on the circuit board and including a substrate, a light emitting structure including first and second conductivity type semiconductor layers and an active layer therebetween, a first connection layer electrically connected to the first conductivity type semiconductor layer, a second connection layer electrically connected to the second conductivity type semiconductor layer, a step adjustment layer disposed between the first connection layer and the second connection layer and covering a portion of the light emitting device, in which the light emitting devices in the unit pixel are arranged in a second direction crossing the first direction.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 2, 2023
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventor: Seung Sik HONG
  • Patent number: 11804571
    Abstract: A light emitting device including a substrate, a light emitting structure disposed on the substrate and having a first light emitting region, a second light emitting region, and a third light emitting region, and an insulation layer to block unintended electrical connection between the first light emitting region and the second light emitting region, or between the second light emitting region and the third light emitting region, in which each of the first light emitting region, the second light emitting region, and the third light emitting region comprises a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, and a center of the first light emitting region overlaps a center of the second light emitting region and a center of the third light emitting region.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: October 31, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Bang Hyun Kim, Young Hye Seo, Jae Ho Lee, Jong Min Lee, Seoung Ho Jung, Eui Sung Jeong
  • Patent number: 11796857
    Abstract: A display apparatus including a panel substrate, a TFT panel part disposed on an upper surface of the panel substrate and including a plurality of connection electrodes, and a light emitting diode part disposed on the TFT panel part and comprising a plurality of pixels, in which each of the pixels includes at least three sub-pixels including a first sub-pixel, a second sub-pixel, and a third sub-pixel, and the first sub-pixel has a size greater than those of the second and the third sub-pixels.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: October 24, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim
  • Patent number: 11800614
    Abstract: A lighting apparatus including a controller and an LED luminaire to implement a color temperature from a minimum of 3,000K or less to a maximum of 5,000K or more, the LED luminaire including at least one first light emitter, at least one second light emitter, and at least one third light emitter, in which a triangle region defined by color coordinates of the light emitters includes at least a region on a Planckian locus, and the maximum and minimum color temperatures in the triangle region are 5,000K or more, and 3,000K or less, respectively, and in the CIE-1931 coordinate system, the color coordinates of the first light emitter is closer to 5,000K than those of the second and third light emitters, and the color coordinates of the third light emitter is closer to 3,000K than those of the first and second light emitters.
    Type: Grant
    Filed: January 1, 2023
    Date of Patent: October 24, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jun Ho Song, BoYong Han
  • Publication number: 20230332757
    Abstract: A lens including a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident, and a light exiting part through which the incident light is emitted to an outside of the lens, in which each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part, the light entering part includes a light incident vertical surface extending from a lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface, and the light incident vertical surface surrounds the light emitting device.
    Type: Application
    Filed: June 22, 2023
    Publication date: October 19, 2023
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Eun Ju KIM, Jae Eun PARK