Patents by Inventor Won Soo Ji
Won Soo Ji has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 10408430Abstract: There are provided a lighting lens, a lighting lens array, and a lighting apparatus. The lighting lens may include an incidence part to receive light from a light source and an emission part to emit light provided from the incidence part. The incidence part may have a concave region that contains a light source and a first protrusion at a rear side of the light source that protrudes downwards from a top surface of the concave region. The emission part may include a dome-shaped part that encloses the incidence part and a second protrusion at the rear side of the light source that protrudes upwards from a top surface of the dome-shaped part. A lowermost portion of the emission part may be formed at a first plane, and an angle between an outer surface of the emission part and the first plane is an obtuse angle.Type: GrantFiled: September 22, 2017Date of Patent: September 10, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung-gyun Jung, Won-soo Ji, Jong-sup Song, Sang-woo Ha
-
Patent number: 10014454Abstract: A light-emitting device includes a light-emitting structure, a lens, and a reflective layer. The light-emitting structure includes a light-emitting stack structure including a first-conductivity-type semiconductor layer, an active layer, and a second-conductivity-type semiconductor layer, which are stacked, a first electrode layer electrically connected to the first-conductivity-type semiconductor layer, and a second electrode layer electrically connected to the second-conductivity-type semiconductor layer. The lens is located on the light-emitting structure. The reflective layer is located on the lens.Type: GrantFiled: January 23, 2017Date of Patent: July 3, 2018Assignee: Samsung Electronics CO., Ltd.Inventors: Kyung-wook Hwang, Min-gyeong Gwon, Sae-sil Kim, Eun-joo Shin, Yu-ri Jung, Won-soo Ji, Jong-sup Song
-
Patent number: 9989197Abstract: An optical device and a light source module including the same are provided. The optical device includes a first surface having an incident portion; a second surface emitting light incident through the incident portion outwardly; a support portion protruding from the first surface; and a blocking portion surrounding an outer portion of the support portion, the blocking portion being stepped with respect to the first surface.Type: GrantFiled: May 19, 2016Date of Patent: June 5, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo Ji, Tetsuo Ariyoshi, Sang Woo Ha
-
Publication number: 20180087751Abstract: There are provided a lighting lens, a lighting lens array, and a lighting apparatus. The lighting lens may include an incidence part to receive light from a light source and an emission part to emit light provided from the incidence part. The incidence part may have a concave region that contains a light source and a first protrusion at a rear side of the light source that protrudes downwards from a top surface of the concave region. The emission part may include a dome-shaped part that encloses the incidence part and a second protrusion at the rear side of the light source that protrudes upwards from a top surface of the dome-shaped part. A lowermost portion of the emission part may be formed at a first plane, and an angle between an outer surface of the emission part and the first plane is an obtuse angle.Type: ApplicationFiled: September 22, 2017Publication date: March 29, 2018Inventors: Seung-gyun JUNG, Won-soo JI, Jong-sup SONG, Sang-woo HA
-
Patent number: 9897266Abstract: A light source module includes a light source, a light guide plate on the light source and including at least one recess portion in an upper surface thereof, and a filter sheet on an upper surface of the light guide plate and having a pattern. The pattern may be configured to partially reflect and partially transmit light emitted from the light source through the light guide plate.Type: GrantFiled: September 29, 2016Date of Patent: February 20, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Mi Moon, Sang Woo Ha, Jong Sup Song, Tetsuo Ariyoshi, Jun Cho, Won Soo Ji
-
Patent number: 9890924Abstract: An optical device and a light source module including the same are provided. The optical device includes a first surface including an incident portion through which light that is emitted from a light source is incident, and a second surface through which the light incident through the incident portion is emitted. The incident portion may include a curved surface that is recessed toward the second surface, and a pointed vertex to which the curved surface is recessed, the pointed vertex being in a central portion of the optical device, and the central portion being through which an optical axis of the optical device passes.Type: GrantFiled: May 5, 2016Date of Patent: February 13, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Woo Ha, Jong Pil Won, Won Soo Ji
-
Patent number: 9841161Abstract: There is provided a lens for a light emitter which includes: a bottom surface; an incident surface connected to the bottom surface at a central region of the bottom surface and disposed on or above a light source to allow light emitted from the light source to be made incident thereto and travel in an interior of the lens; and an output surface connected to the bottom surface at an edge of the bottom surface and configured to allow the light which has traveled in the interior of the lens to be emitted outwardly therefrom, wherein the central region of the bottom surface protrudes with respect to the other region of the bottom surface.Type: GrantFiled: March 4, 2015Date of Patent: December 12, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo Ji, Sung A Choi, Sang Woo Ha, Tetsuo Ariyoshi
-
Publication number: 20170324011Abstract: A light-emitting device includes a light-emitting structure, a lens, and a reflective layer. The light-emitting structure includes a light-emitting stack structure including a first-conductivity-type semiconductor layer, an active layer, and a second-conductivity-type semiconductor layer, which are stacked, a first electrode layer electrically connected to the first-conductivity-type semiconductor layer, and a second electrode layer electrically connected to the second-conductivity-type semiconductor layer. The lens is located on the light-emitting structure. The reflective layer is located on the lens.Type: ApplicationFiled: January 23, 2017Publication date: November 9, 2017Inventors: Kyung-wook Hwang, Min-gyeong Gwon, Sae-sil Kim, Eun-joo Shin, Yu-ri Jung, Won-soo Ji, Jong-sup Song
-
Publication number: 20170261161Abstract: A light source module includes a light source, a light guide plate on the light source and including at least one recess portion in an upper surface thereof, and a filter sheet on an upper surface of the light guide plate and having a pattern. The pattern may be configured to partially reflect and partially transmit light emitted from the light source through the light guide plate.Type: ApplicationFiled: September 29, 2016Publication date: September 14, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Kyung Mi MOON, Sang Woo HA, Jong Sup SONG, Tetsuo ARIYOSHI, Jun CHO, Won Soo JI
-
Patent number: 9680069Abstract: A light emitting device package is provided. The package includes a light emitting device including a substrate, and a light emitting structure having a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer stacked on the substrate; and a wavelength conversion film disposed in a path of light emitted by the light emitting device and having phosphor layers stacked on each other. A portion of the phosphor layers includes phosphor structures including a wavelength conversion material receiving light emitted from the light emitting device and converting a wavelength thereof and a binding resin binding the wavelength conversion material, and a transparent resin filling spaces between the phosphor structures.Type: GrantFiled: April 13, 2016Date of Patent: June 13, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung Mi Moon, Won Soo Ji
-
Patent number: 9627279Abstract: An apparatus for manufacturing an light emitting diode (LED) package, includes: a heating unit heating an LED package array in a lead frame state in which a plurality of LED packages are installed to be set in an array on a lead frame; a testing unit testing an operational state of each of the LED packages in the LED package array by applying a voltage or a current to the LED package array heated by the heating unit; and a cutting unit cutting only an LED package determined to be a functional product or an LED package determined to be a defective product from the lead frame to remove the same according to the testing results of the testing unit.Type: GrantFiled: September 30, 2014Date of Patent: April 18, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo Ji, Choo Ho Kim, Sung Hoon Oh, Min Hwan Kim, Beom Seok Shin
-
Publication number: 20170082262Abstract: An exemplary embodiment discloses a lighting apparatus including: a base; a first light emitting device (LED) array disposed on the base; a second LED array disposed on the base; and an optical device disposed on the base, the optical device including: a first lens covering the first LED array; and a second lens covering the second LED array, wherein a first beam angle of the first lens is different from a second beam angle of the second lens.Type: ApplicationFiled: March 17, 2016Publication date: March 23, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Gyun JUNG, Jun CHO, Won Soo JI
-
Publication number: 20170074484Abstract: An optical device and a light source module including the same are provided. The optical device includes a first surface including an incident portion through which light that is emitted from a light source is incident, and a second surface through which the light incident through the incident portion is emitted. The incident portion may include a curved surface that is recessed toward the second surface, and a pointed vertex to which the curved surface is recessed, the pointed vertex being in a central portion of the optical device, and the central portion being through which an optical axis of the optical device passes.Type: ApplicationFiled: May 5, 2016Publication date: March 16, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang Woo HA, Jong Pil WON, Won Soo JI
-
Patent number: 9593827Abstract: A are provided a light source module. The light source module including a light emitting device configured to emit light in a light emitting direction; and an optical device including a first surface disposed over the light emitting device and having a groove recessed in the light emitting direction in a central portion through which an optical axis of the optical device passes, and a second surface disposed opposite to the first surface and configured to refract light incident through the groove to be emitted to the outside. The optical device includes a plurality of ridges disposed on the second surface and periodically arranged in a direction from the optical axis to an edge of the optical device connected to the first surface.Type: GrantFiled: January 22, 2015Date of Patent: March 14, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo Ji, Hun Yong Park, Sang Woo Ha
-
Patent number: 9546926Abstract: A method for inspecting a light source module for defects includes preparing a board on which a light emitting device and a lens covering the light emitting device are installed. A current is applied to the light emitting device to turn on the light emitting device. The lens is imaged with the light emitting device turned on. A central symmetry denoting a symmetry of light emission distribution from the center of the lens is calculated based on the obtained image, and the calculated central symmetry is compared with a reference value to determine whether unsymmetrical light emission distribution has occurred. Various other methods and apparatuses for inspecting light source modules are additionally provided.Type: GrantFiled: December 23, 2014Date of Patent: January 17, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo Ji, Oh Seok Kwon, Dae Seo Park, Ka Ram Lee
-
Publication number: 20160356453Abstract: An optical device and a light source module including the same are provided. The optical device includes a first surface having an incident portion; a second surface emitting light incident through the incident portion outwardly; a support portion protruding from the first surface; and a blocking portion surrounding an outer portion of the support portion, the blocking portion being stepped with respect to the first surface.Type: ApplicationFiled: May 19, 2016Publication date: December 8, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Won Soo JI, Tetsuo ARIYOSHI, Sang Woo HA
-
Publication number: 20160359089Abstract: A light emitting device package is provided. The package includes a light emitting device including a substrate, and a light emitting structure having a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer stacked on the substrate; and a wavelength conversion film disposed in a path of light emitted by the light emitting device and having phosphor layers stacked on each other. A portion of the phosphor layers includes phosphor structures including a wavelength conversion material receiving light emitted from the light emitting device and converting a wavelength thereof and a binding resin binding the wavelength conversion material, and a transparent resin filling spaces between the phosphor structures.Type: ApplicationFiled: April 13, 2016Publication date: December 8, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung Mi MOON, Won Soo JI
-
Publication number: 20160230954Abstract: An optical device includes a first surface including a light incident surface onto which light is incident, and a second surface which emits light passing through the light incident surface. The light incident surface includes a first curved surface and a second curved surface. The first curved surface is disposed in a recess in a central portion of the light incident surface and recessed toward the second surface, the second curved surface being connected to the first curved surface in the recess and extended from the recess. The first and second curved surfaces have an inflection point at a contact point at which the first and second curved surfaces contact each other. The second surface opposes the first surface, and the first and second surfaces form a biconvex lens structure.Type: ApplicationFiled: December 21, 2015Publication date: August 11, 2016Inventors: SANG WOO HA, WON SOO JI, JONG PIL WON
-
Patent number: 9347772Abstract: An apparatus for measurement of a three-dimensional (3D) shape includes a lens unit transmitting slit beams to a plurality of measurement objects, a light source unit irradiating the plurality of slit beams to the lens unit at different angles, an imaging unit obtaining images of the plurality of measurement objects formed by the slit beams irradiated on the plurality of measurement objects, and a calculation processing unit generating information regarding a 3D shape of the plurality of measurement objects from the images obtained by the imaging unit.Type: GrantFiled: January 31, 2014Date of Patent: May 24, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Seo Park, Dae Gwan Kim, Won Soo Ji, Choo Ho Kim
-
Patent number: D1020712Type: GrantFiled: June 6, 2021Date of Patent: April 2, 2024Assignee: KMW INC.Inventors: Duk Yong Kim, Kyo Sung Ji, Chi Back Ryu, Min Soo Kim, Won Jun Park