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).
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Publication number: 20240079534Abstract: A display apparatus including a substrate, a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on the substrate and configured to emit red light, green light, and blue light, respectively, partition walls disposed between the first sub-pixel, the second sub-pixel, and the third sub-pixel, and configured to not transmit light, in which the first sub-pixel, the second sub-pixel, and the third sub-pixel include a first light emitting cell, a second light emitting cell, and a third light emitting cell, respectively, and a height of each of the first, second, and third light emitting cells is lower than a height of the partition walls, and a difference between the height of the partition walls and the height of each of the first, second, and third light emitting cells is less than 100 ?m.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Inventors: Chung Hoon LEE, Sung Su SON, Jong Ik LEE, Jae Hee LIM, Motonobu TAKEYA, Seung Sik HONG
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Publication number: 20240072182Abstract: 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: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Inventors: KI JUNE LEE, JUNG HA SON, TAE SUNG KIM, JAE IK LIM, HYUN MIN CHO
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Publication number: 20240069659Abstract: 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: ApplicationFiled: June 28, 2023Publication date: February 29, 2024Applicant: Samsung Display Co., LTD.Inventors: Jae Ik LIM, Seong Jun LEE, Jae Bum CHO, Hyungseok LEE
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Patent number: 11894470Abstract: 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: GrantFiled: August 12, 2020Date of Patent: February 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki June Lee, Jung Ha Son, Tae Sung Kim, Jae Ik Lim, Hyun Min Cho
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Publication number: 20230389403Abstract: 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: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: JAE IK LIM, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
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Publication number: 20230363212Abstract: 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: ApplicationFiled: February 1, 2023Publication date: November 9, 2023Applicant: Samsung Display Co., LTD.Inventors: Won Woo CHOI, Jae Ik LIM, Yoon Ah CHOI
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Patent number: 11770636Abstract: 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: GrantFiled: July 14, 2020Date of Patent: September 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung Ha Son, Gee Bum Kim, Sang Woo Kim, Ki June Lee, Jae Ik Lim
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Patent number: 11758795Abstract: 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: GrantFiled: November 10, 2020Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
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Patent number: 11741740Abstract: 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: GrantFiled: April 20, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Ji Hye Kim, Byung Han Yoo
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Patent number: 11744135Abstract: 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: GrantFiled: December 1, 2020Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Dae Young Lee, Chaun Gi Choi
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Patent number: 11683958Abstract: 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: GrantFiled: June 7, 2021Date of Patent: June 20, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Chan Lee, Beom Soo Park, Wang Jo Lee, Jae Bum Cho, Jae Ik Lim
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Publication number: 20230175911Abstract: 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: ApplicationFiled: February 1, 2023Publication date: June 8, 2023Inventors: Jae Ik LIM, Won Sang PARK, Hye Yong CHU, Do-Il KIM, Nae-Eung LEE, Han-Byeol LEE
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Patent number: 11598687Abstract: 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: GrantFiled: November 1, 2018Date of Patent: March 7, 2023Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Do-Il Kim, Nae-Eung Lee, Han-Byeol Lee
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Publication number: 20220309267Abstract: 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: ApplicationFiled: November 29, 2021Publication date: September 29, 2022Inventors: Gee Bum KIM, Jae Ik LIM, Tae Hoon YANG, Dae Young LEE, Seong Min CHO, Beohm Rock CHOI
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Publication number: 20220165994Abstract: 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: ApplicationFiled: December 31, 2019Publication date: May 26, 2022Inventors: Jae Ik LIM, Chaun Gi CHOI, Sang Woo KIM
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Publication number: 20220077427Abstract: A display device includes: a substrate; a bank layer on the substrate, and defining a light-emitting area; an organic light-emitting layer in the light-emitting area; a thin-film sealing layer covering the organic light-emitting layer and the bank layer; an inorganic layer including a base part on the thin-film sealing layer, and a protruding pattern part protruding from the base part in a thickness direction and including a lateral surface having a reverse taper angle; a first low refractive organic layer on the base part of the inorganic layer; and a high refractive organic layer covering the first low refractive organic layer and the inorganic layer. A lateral surface of the first low refractive organic layer contacts the lateral surface of the protruding pattern part, and an upper surface of the first low refractive organic layer protrudes more than an upper surface of the protruding pattern part in the thickness direction.Type: ApplicationFiled: October 25, 2019Publication date: March 10, 2022Inventors: Ki June LEE, Sang Woo KIM, Jung Ha SON, Byung Han YOO, Gee Bum KIM, Tae Kyung AHN, Jae Ik LIM, Chaun Gi CHOI
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Publication number: 20220077263Abstract: 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: ApplicationFiled: June 7, 2021Publication date: March 10, 2022Inventors: Seung Chan LEE, Beom Soo PARK, Wang Jo LEE, Jae Bum CHO, Jae Ik LIM
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Publication number: 20220077256Abstract: 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: ApplicationFiled: November 21, 2019Publication date: March 10, 2022Inventors: Jae Ik LIM, Gee Bum KIM, Jung Ha SON
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Patent number: 11256373Abstract: An input sensing unit that utilizes conductive layers to sense various types of input. The input sensing unit may include a first conductive layer including first sensing electrodes; a second conductive layer disposed on the first conductive layer, the second conductive layer including second sensing electrodes and third sensing electrodes; and at least one insulating layer insulating the first conductive layer and the second conductive layer from each other. The input sensing unit senses at least one of a touch, a pressure, and a degree of moisture based on a change in capacitance between the conductive layers.Type: GrantFiled: November 13, 2018Date of Patent: February 22, 2022Assignees: SAMSUNG DISPLAY CO., LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Jae Ik Lim, Won Sang Park, Hye Yong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
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Patent number: 11246532Abstract: An electronic device to be mounted around a finger includes: a top part on which a nail of the finger is located; a bottom part disposed opposite to the top part, where a fingerprint surface of the finger is located on the bottom part; and a side part connecting the top part and the bottom part to each other, where the top part generates a nail image by image-picking up the nail, and senses a movement of the finger, based on the nail image.Type: GrantFiled: October 5, 2018Date of Patent: February 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Won Sang Park