Patents Assigned to Seoul Semiconductors Co., Ltd.
  • Patent number: 11688841
    Abstract: A display device including a light emitting diode chip, including: a light emitting structure which includes a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers; a second electrode which is electrically connected to the second conductive semiconductor layer; an insulation unit which is disposed to cover a part of the top surface of the second electrode and side surfaces of the light emitting structure; and a second fixed part which covers the top surface of the insulation unit and is electrically connected to the second electrode, and at least a part of which extends to the side surfaces of the light emitting structure.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: June 27, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Young Hyun Kim, Motonobu Takeya, Jong Ik Lee, Sung Su Son
  • Patent number: 11688836
    Abstract: A light emitting module including a substrate, a first light emitting part disposed on the substrate, and a second light emitting part disposed on the substrate and spaced apart from the first light emitting part by an isolation trench between the first and the second light emitting parts, in which the first light emitting part and the second light emitting part include a first light emitting region and a second light emitting region, respectively, the second light emitting region being spaced apart from the first light emitting region, each of the first and second light emitting parts further includes a wavelength conversion layer covering the first and second light emitting regions, the wavelength conversion layers further include a barrier layer, and the isolation trench and the barrier layer vertically overlap each other on the base substrate.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: June 27, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jong Min Lee, Bang Hyun Kim, Jae Ho Lee
  • Patent number: 11677056
    Abstract: A display apparatus including a panel substrate, a TFT panel part including a plurality of connection electrodes disposed on an upper surface of the panel substrate, and a light emitting diode part disposed on the TFT panel part and including a plurality of light emitting modules adjacent to each other, in which each of the light emitting modules includes a plurality of pixels, each of the pixels includes three sub-pixels, and the three sub-pixels include blue light emitting diodes, green light emitting diodes, and red light emitting diodes.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: June 13, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Young Hyun Kim, Jong Ik Lee, Kwang Yong Oh
  • Patent number: 11675229
    Abstract: A display apparatus including a frame, light emitting diode chips separated from each other and regularly arranged in a matrix on the frame, an optical part including a display panel and at least one of a phosphor sheet and an optical sheet, a light guide plate disposed between the frame and the optical part to cover the light emitting diode chips, at least one reflector disposed between the frame and the light guide plate to reflect at least part of light emitted from the light emitting diode chip to direct at least part of light emitted therefrom to the light guide plate, and a first-type electrode and a second-type electrode, in which at least one of the light emitting diode chips is a flip-chip type and includes a first-type semiconductor layer electrically connected to the first-type electrode and a second-type semiconductor layer electrically connected to the second-type electrode.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: June 13, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Eun Ju Kim
  • Patent number: 11664355
    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 electrodes, in which the module substrate includes through-holes penetrating the module substrate and vias disposed in the through-holes, and the light emitting devices are electrically connected to the electrodes of the support substrate through the vias.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: May 30, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Chung Hoon Lee
  • Patent number: 11658161
    Abstract: A method of manufacturing a display apparatus including the steps of providing a plurality of light emitting diode chips on a first manufacturing substrate, placing a transferring plate above the light emitting diode chips, bonding a plurality of adhesive transferring portions disposed on the transferring plate to a portion of the light emitting diode chips disposed on the first manufacturing substrate, separating the portion of the light emitting diode chips from the first manufacturing substrate, coupling the portion of the light emitting diode chips disposed on the transferring plate to a plurality of first and second substrate electrodes disposed on a substrate, and separating the transferring plate from the portion of the light emitting diode chips coupled to the substrate, in which the adhesive transferring portions are regularly arranged in rows and columns on the transferring plate.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: May 23, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Motonobu Takeya
  • Patent number: 11655960
    Abstract: Disclosed is a light diffusing lens having a pointing angle distribution focused toward a lateral direction. The disclosed light diffusing lens includes a light entrance part having a concave shape formed inward from a lower part of the optical diffusing lens, a reflection part having a shape which is concave inward from an upper portion of the light diffusing lens and a light exit portion defined by an outer surface of the light diffusing lens, wherein the light entrance part has a first convex surface which is convex in an optical axial direction defined by a straight line passing through the center of the light diffusing lens as the straight line goes toward the inside of the light diffusing lens.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 23, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jeong A Han, Eun Ju Kim, Ki Bum Nam
  • Patent number: 11649940
    Abstract: A lighting apparatus includes a light source part having a first light source and a second light source provided away from the first light source, a reflective part provided away from the first light source and second light source and reflecting light emitted from the first light source and second light source, and a support part facing the reflective part and supporting the light source part. The reflective part includes a plurality of reflective plates which are continuously provided. Each of the reflective plates provided adjacent to one another has a reflective surface which is shaped differently from one another.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: May 16, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventor: Jang Weon Lee
  • Patent number: 11632836
    Abstract: A light-emitting apparatus includes a first light emitter configured to emit visible light and including a plurality of light sources having color temperatures different from each other, a second light emitter configured to emit infrared rays, and a controller configured to adjust characteristics of the visible light and the infrared rays by controlling the first and second light emitters, in which each of the light sources includes a light-emitting diode chip and a wavelength conversion unit configured to convert a wavelength rage of light emitted from the light-emitting diode chip.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: April 18, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Chung Hoon Lee
  • Patent number: 11622509
    Abstract: A plant cultivation light source includes at least two light sources selected from first, second, and third light sources that emit first, second, and third lights, respectively. The first light has a first peak at a wavelength from about 400 nanometers to about 500 nanometers, the second light has a second peak appearing at a wavelength, which is longer than the first peak, from about 400 nanometers to about 500 nanometers, and the third light has a third peak appearing at a wavelength, which is shorter than the first peak, from about 400 nanometers to about 500 nanometers. The first light is a white light and has a first sub-peak having an intensity lower than an intensity of the first peak at a wavelength from about 500 nanometers to about 700 nanometers. The first sub-peak has a full-width at half-maximum greater than a full-width at half-maximum of the first peak.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: April 11, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventor: Mark McClear
  • Patent number: 11610870
    Abstract: A displaying apparatus includes a pixel unit. The pixel unit includes at least one pixel having a light emitting device and a light conversion layer for converting a first wavelength of light of the light emitting device into a second wavelength of light different from the first wavelength; and an insulation layer covers side surfaces of the light emitting device and the light conversion layer.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: March 21, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Seong Su Son, Jong Ik Lee, Jae Hee Lim, Jong Hyeon Chae, Seung Sik Hong
  • Patent number: 11611020
    Abstract: A light emitting element including a housing having a cavity and an inner wall, a light emitting part disposed in the cavity to emit light having a peak wavelength in a blue wavelength band and including first and second light emitting chips spaced apart from each other, a lead portion to supply external electric power, and a wavelength converter including a first phosphor layer including a first phosphor to emit light having a peak wavelength in a green wavelength band, and a second phosphor layer including a second phosphor to emit light having a peak wavelength in a red wavelength band, in which the second phosphor includes at least one of a nitride-based red phosphor and a fluoride-based red phosphor represented by A2MF6:Mn4+, A is one of Li, Na, K, Ba, Rb, Cs, Mg, Ca, Se, and Zn, and M is one of Ti, Si, Zr, Sn, and Ge.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 21, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Ho Jun Byun, Bo Yong Han
  • Patent number: 11605763
    Abstract: A light emitting diode package is disclosed. The light emitting diode package includes a light emitting diode chip emitting light and a light transmissive member. The light transmissive member covers at least an upper surface of the light emitting diode chip and includes a light transmissive resin and reinforcing fillers. The reinforcing fillers have at least two side surfaces having different lengths and are dispersed in the light transmissive resin.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: March 14, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Myung Jin Kim, Kwang Yong Oh
  • Patent number: 11605755
    Abstract: A display including a base, a plurality of pixels disposed on the base in rows and columns, at least one of the pixels including a first interconnect and a plurality of second interconnects, and a plurality of mounting portions on which a plurality of sub-pixels is to be mounted, in which a first portion of each of the plurality of mounting portions is electrically connected to the first interconnect, a second portion of each of the plurality of mounting portions is electrically connected to one of the second interconnects, and at least one of the plurality of sub-pixels mounted on the plurality of mounting portions is configured to emit light of different wavelength.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: March 14, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Motonobu Takeya, Sung Su Son, Seung Sik Hong
  • Patent number: 11605762
    Abstract: A light emitting device including a plurality light emitting diodes configured to produce a primary light; a wavelength conversion means configured to at least partially convert the primary light into secondary light having peak emission wavelength ranges between 450 nm and 520 nm, between 500 nm and 570 nm, and between 570 nm and 680 nm; and a molded part to enclose the light emitting diodes and the wavelength conversion means.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: March 14, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Chung-Hoon Lee, Gundula Roth, Walter Tews
  • Patent number: 11598509
    Abstract: The present invention relates to a backlight unit for use in a display device. The backlight unit includes a circuit board, at least one light-emitting diode chip mounted on the circuit board, a plurality of reflection members arranged on the upper part of the light-emitting diode chip, and a light diffusing member. The light diffusing member has an incident surface on which light enters and an emitting surface from which light is emitted. The light diffusing member is arranged on the upper part of the circuit board. The plurality of reflection members are stacked on each other and reflect a part of light emitted from the upper surface of the light-emitting diode chip.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 7, 2023
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventor: Chung Hoon Lee
  • Publication number: 20230023047
    Abstract: A light emitting module includes a light emitting diode chip mounted on a first surface of a support substrate, a wavelength conversion member formed on a light emitting surface of the light emitting diode chip, and a reflection member formed to surround a side surface of the wavelength conversion member, an electrode pad formed on a second surface of the support substrate to be electrically connected with the light emitting diode chip, a circuit board formed with a circuit pattern which is electrically connected with the electrode pad, and a conductive bonding material formed between the electrode pad and the circuit pattern to electrically connect the electrode pad and the circuit pattern. Coefficients of thermal expansion of the support substrate, the electrode pad and the conductive bonding material are different, and a coefficient of thermal expansion gradually increases from the support substrate to the circuit board.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 26, 2023
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Hye In KIM, Jung Hun SON, Masami NEI
  • Patent number: 11563155
    Abstract: According to one embodiment, a white light source includes a combination of a light emitting diode and phosphors. One of the phosphors is at least a cerium activated yttrium aluminum garnet-based phosphor. There is no light emission spectrum peak at which a ratio of a largest maximum value to a minimum value is greater than 1.9. The largest maximum value is largest among at least one maximum value present in a wavelength range of 400 nm to 500 nm in a light emission spectrum of white light emitted from the white light source. The minimum value is adjacent to the largest maximum value in a longer wavelength side of the light emission spectrum.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 24, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Tatsunori Itoga, Ryoji Tsuda, Naotoshi Matsuda, Yoshitaka Funayama
  • Patent number: 11546978
    Abstract: A lighting apparatus including a controller, an LED driver, and an LED luminaire, in which the LED luminaire implements a color temperature from a minimum color temperature of 3,000K or less to a maximum color temperature of 5,000K or more, and the controller controls the LED driver to change the color temperature of the LED luminaire corresponding to change in color temperature of sunlight.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: January 3, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jun Ho Song, BoYong Han
  • Patent number: 11545599
    Abstract: A light emitting diode package includes: a housing; a light emitting diode chip arranged in the housing; a wavelength conversion unit arranged on the light emitting diode chip; a first fluorescent substance distributed inside the wavelength conversion unit and emitting light having a peak wavelength in the cyan wavelength band; and a second fluorescent substance distributed inside the wavelength conversion unit and emitting light having a peak wavelength in the red wavelength band, wherein the peak wavelength of light emitted from the light emitting diode chip is located within a range of 415 nm to 430 nm.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 3, 2023
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Myung Jin Kim, Kwang Yong Oh, Ki Bum Nam, Ji Youn Oh, Sang Shin Park, Michael Lim