Patents by Inventor Jae-Ik Lim

Jae-Ik Lim 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: 12136611
    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: March 19, 2023
    Date of Patent: November 5, 2024
    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: 12111219
    Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: October 8, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Do-Il Kim, Nae-Eung Lee, Han-Byeol Lee
  • Patent number: 12087540
    Abstract: Disclosed is a field emission-type tomosynthesis system including a vacuum body having a space therein; a plurality of sources provided inside the body, wherein each of the sources emits a plurality of electrons; and a plurality of anodes disposed inside the body to face the sources and responsible for emitting a plurality of X-rays, wherein each of the anodes faces a corresponding source among the sources, and the electrons collide with each of the anodes to generate X-rays, wherein the X-ray emission angle of each of the anodes is capable of being independently adjusted so as to focus the X-rays emitted toward an object located outside the body. With this configuration, a plurality of X-rays is focused on an object and is emitted to the object to obtain information, and the information is synthesized, thereby improving the reliability of information about the object.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: September 10, 2024
    Assignee: CAT BEAM TECH CO., LTD.
    Inventors: Jehwang Ryu, Seung Jun Yeo, Jong Min Lim, Woo Seob Kim, Jeung Sun Ahn, Moonkyoo Kong, Jae Ik Jung, Jun Young Park
  • Patent number: 12016201
    Abstract: A display device includes: a substrate; a light-emitting element on the substrate; a planarization layer on the light-emitting element; a first refractive index layer on the planarization layer and including a total reflection inclination surface totally reflecting light emitted from the light-emitting element in a front direction and a refraction inclination surface refracting light emitted from the light-emitting element in the front direction; a second refractive index layer on the first refractive index layer to be in contact with the refraction inclination surface and having a smaller refractive index than a refractive index of the first refractive index layer; and a third refractive index layer on the first refractive index layer and the second refractive index layer to be in contact with the total reflection inclination surface and having a larger refractive index than the refractive index of the first refractive index layer.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: June 18, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ik Lim, Chaun Gi Choi, Sang Woo Kim
  • Publication number: 20240072182
    Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.
    Type: Application
    Filed: November 6, 2023
    Publication date: February 29, 2024
    Inventors: KI JUNE LEE, JUNG HA SON, TAE SUNG KIM, JAE IK LIM, HYUN MIN CHO
  • Publication number: 20240069659
    Abstract: A display device according to an embodiment includes a pixel electrode disposed on a substrate, a pixel defining layer disposed on the pixel electrode and including a pixel opening overlapping the pixel electrode, an encapsulation layer disposed on the pixel defining layer, a sensing electrode portion disposed on the encapsulation layer, a sensing insulating layer overlapping at least part of the sensing electrode portion, and an adhesive layer disposed on the sensing insulating layer. The sensing insulating layer includes a first region overlapping the sensing electrode portion, and a second region overlapping the pixel opening. A refractive index of the adhesive layer is less than a refractive index of the sensing insulating layer.
    Type: Application
    Filed: June 28, 2023
    Publication date: February 29, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Ik LIM, Seong Jun LEE, Jae Bum CHO, Hyungseok LEE
  • Patent number: 11894470
    Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki June Lee, Jung Ha Son, Tae Sung Kim, Jae Ik Lim, Hyun Min Cho
  • Publication number: 20230389403
    Abstract: A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.
    Type: Application
    Filed: August 10, 2023
    Publication date: November 30, 2023
    Inventors: JAE IK LIM, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
  • Publication number: 20230363212
    Abstract: A display device includes a display area and a non-display area, the non-display area including a bent area having a radius of curvature, a transistor layer disposed in the display area and including a transistor and a signal line and a stack of a plurality of first area organic layers disposed in the transistor layer. The bent area includes a line layer including a connection line and a stack of a plurality of second area organic layers disposed on the line layer, wherein the connection line is electrically connected to the signal line, wherein the plurality of second area organic layers respectively extends from the plurality of first area organic layers.
    Type: Application
    Filed: February 1, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Won Woo CHOI, Jae Ik LIM, Yoon Ah CHOI
  • Patent number: 11770636
    Abstract: An optical sensor including: a substrate; a circuit element layer disposed on the substrate and including a circuit element; and a photoelectric element layer including a photoelectric element, a self-assembled monolayer, and a bias electrode connected to the photoelectric element, wherein the photoelectric element is connected to the circuit element, and wherein the self-assembled monolayer is disposed on the photoelectric element.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: September 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Ha Son, Gee Bum Kim, Sang Woo Kim, Ki June Lee, Jae Ik Lim
  • Patent number: 11758795
    Abstract: A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Ik Lim, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
  • Patent number: 11744135
    Abstract: A display device includes: a substrate; a first display pixel disposed on the substrate and including a light emitting element; a first sensor pixel disposed on the substrate and including an optical sensor; a first bank disposed on the substrate, wherein the first display pixel is disposed in the first bank; a first light blocking layer overlapping the first bank; a first color filter disposed on the first light blocking layer and overlapping the light emitting element; and an optical pattern layer disposed on the optical sensor, wherein the optical pattern layer includes a light blocking portion and a plurality of light transmitting portions passing through the light blocking portion.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Ik Lim, Dae Young Lee, Chaun Gi Choi
  • Patent number: 11741740
    Abstract: A fingerprint sensor includes a light sensing layer having a light sensing element in which a sensing current flows in response to incident light and a light guide layer disposed on the light sensing layer. The light guide layer includes first light-transmitting films spaced apart from one another, a light-blocking film disposed between the first light-transmitting films, and a second light-transmitting film disposed between each of the first light-transmitting films and the light-blocking film.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Ik Lim, Ji Hye Kim, Byung Han Yoo
  • Patent number: 11683958
    Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Chan Lee, Beom Soo Park, Wang Jo Lee, Jae Bum Cho, Jae Ik Lim
  • Publication number: 20230175911
    Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Inventors: Jae Ik LIM, Won Sang PARK, Hye Yong CHU, Do-Il KIM, Nae-Eung LEE, Han-Byeol LEE
  • Patent number: 11598687
    Abstract: A pressure sensor includes: a base substrate including an embossed pattern; a first conductive layer disposed on the base substrate; a pressure sensitive material layer disposed on the first conductive layer such that its electrical characteristic is varied corresponding to a strain applied thereto, the pressure sensitive material layer including a dielectric and nanoparticles dispersed in the dielectric; and a second conductive layer disposed on the pressure sensitive material layer, wherein the dielectric and the nanoparticle include materials having pyroelectricities of polarities opposite to each other.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: March 7, 2023
    Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Do-Il Kim, Nae-Eung Lee, Han-Byeol Lee
  • Publication number: 20220309267
    Abstract: A display device may include a sensor layer, a substrate, a pixel layer, and a black matrix. The sensor layer may include photo sensors. The substrate may be positioned on the sensor layer. The pixel layer may be positioned on the substrate and may include pixels. The substrate may be positioned between the sensor layer and the pixel layer. The pixels may include pixel electrodes. The black matrix may be positioned on the pixel layer, may include first-set openings respectively overlapping with the pixel electrodes, and may include second-set openings not overlapping with any pixel electrodes of the display device in a direction perpendicular to the substrate. The pixel layer may be positioned between the substrate and the black matrix.
    Type: Application
    Filed: November 29, 2021
    Publication date: September 29, 2022
    Inventors: Gee Bum KIM, Jae Ik LIM, Tae Hoon YANG, Dae Young LEE, Seong Min CHO, Beohm Rock CHOI
  • Publication number: 20220165994
    Abstract: A display device includes: a substrate; a light-emitting element on the substrate; a planarization layer on the light-emitting element; a first refractive index layer on the planarization layer and including a total reflection inclination surface totally reflecting light emitted from the light-emitting element in a front direction and a refraction inclination surface refracting light emitted from the light-emitting element in the front direction; a second refractive index layer on the first refractive index layer to be in contact with the refraction inclination surface and having a smaller refractive index than a refractive index of the first refractive index layer; and a third refractive index layer on the first refractive index layer and the second refractive index layer to be in contact with the total reflection inclination surface and having a larger refractive index than the refractive index of the first refractive index layer.
    Type: Application
    Filed: December 31, 2019
    Publication date: May 26, 2022
    Inventors: Jae Ik LIM, Chaun Gi CHOI, Sang Woo KIM
  • Publication number: 20220077263
    Abstract: A display device includes: a substrate; a polycrystalline semiconductor layer which includes a first electrode, a channel, and a second electrode of a driving transistor disposed on the substrate; a first gate insulating layer disposed on the polycrystalline semiconductor layer; a gate electrode of the driving transistor which is disposed on the first gate insulating layer and overlaps the channel; a lower first scan line disposed on the first gate insulating layer; a second gate insulating layer disposed on the gate electrode and on the lower first scan line; a first lower boost electrode disposed on the second gate insulating layer; a first interlayer-insulating layer disposed on the first lower boost electrode; an oxide semiconductor layer disposed on the first interlayer-insulating layer and including a first upper boost electrode overlapping the first lower boost electrode; and a first connection electrode connecting the gate electrode and the first upper boost electrode.
    Type: Application
    Filed: June 7, 2021
    Publication date: March 10, 2022
    Inventors: Seung Chan LEE, Beom Soo PARK, Wang Jo LEE, Jae Bum CHO, Jae Ik LIM
  • Publication number: 20220077256
    Abstract: A display device includes a subpixel which including a first electrode, a light emitting layer, and a second electrode. The display device further includes a pixel defining layer defining the subpixel, a first total reflection layer overlapping the pixel defining layer, a second total reflection layer disposed on the first total reflection layer, and a planarization layer disposed on the second total reflection layer. A refractive index of the planarization layer is greater than a refractive index of the second total reflection layer, and the refractive index of the second total reflection layer is greater than a refractive index of the first total reflection layer.
    Type: Application
    Filed: November 21, 2019
    Publication date: March 10, 2022
    Inventors: Jae Ik LIM, Gee Bum KIM, Jung Ha SON