Patents by Inventor Hee Kyung Kim
Hee Kyung Kim 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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Patent number: 9935293Abstract: An organic light emitting diode display includes: a substrate; a gate line on the substrate; a data line crossing the gate line; a driving voltage line extending parallel with at least one of the gate line and the data line; a first thin film transistor coupled to the gate line and the data line and comprising a first semiconductor layer; a second thin film transistor coupled to the first thin film transistor and the driving voltage line and comprising a second semiconductor layer; and an organic light emitting element coupled to the second thin film transistor, wherein at least one of the gate line, the data line, and the driving voltage line comprise a plurality of layers, and the lowest layer of the plurality of layers comprises a first metal layer made of a reflective metal.Type: GrantFiled: December 15, 2015Date of Patent: April 3, 2018Assignee: Samsung Display Co., Ltd.Inventors: Byoung Ki Kim, Hee Kyung Kim, Il Hun Seo, Young Jun Shin, Yun-Mo Chung
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Patent number: 9921348Abstract: An optical film includes: a first optical phase retardation layer having a relation nx1?ny1?nz1; a second optical phase retardation layer disposed under the first optical phase retardation layer and having a relation nx2?ny2<nz2; and a third optical phase retardation layer disposed on the first optical phase retardation layer and having a relation nx3?ny3<nz3, where nzi (i=1, 2, 3) denotes a refractive coefficient in a thickness direction of the i-th optical phase retardation layer, and nxi and nyi denote refractive coefficients in two orthogonal directions in a plane substantially perpendicular to the thickness direction of the i-th optical phase retardation layer.Type: GrantFiled: December 23, 2013Date of Patent: March 20, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.Inventors: Hee-Kyung Kim, Kyoung Ah Oh, Moon Yeon Lee, Kyu Yeol In, Myung Sup Jung, Ji-Hoon Lee
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Patent number: 9921351Abstract: An optical film includes: a polarization layer; a first phase retardation layer having an optic axis at an angle in a range from about 17 degrees to about 27 degrees or from about ?27 degrees to about ?17 degrees with respect to a transmission axis of the polarization layer; and a second phase retardation layer having an optic axis at an angle in a range from about 85 degrees to about 95 degrees with respect to the transmission axis of the polarization layer. The polarization layer, the first phase retardation layer, and the second phase retardation layer are deposited in sequence, the first phase retardation layer is a half-wave plate, the second phase retardation layer is a quarter-wave plate, and out-of-plane retardation values of the first phase retardation layer and the second phase retardation layer for incident light having the standard wavelength have opposite signs.Type: GrantFiled: May 10, 2013Date of Patent: March 20, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES, INC.Inventors: Kyu Yeol In, Hee Kyung Kim, Won Cheol Jung, Hyung Jun Kim, Kyoung Ah Oh, Moon Yeon Lee, Myung Sup Jung
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Patent number: 9874670Abstract: Disclosed is an optical compensation film including a supporter, and an optical compensation layer disposed on at least one surface of the supporter and including a polymer of cholesteric liquid crystal molecules having a structure in which a plurality of parallel-arranged liquid crystal molecules are helically arranged, wherein the cholesteric liquid crystal layer has a helical axis that is bent and tilted to the supporter at an angle represented by the following Equation 1; a method of manufacturing the same; and a liquid crystal device (LCD) including the optical compensation film.Type: GrantFiled: February 7, 2011Date of Patent: January 23, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee-Kyung Kim, Myung-Sup Jung
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Patent number: 9851603Abstract: A compensation film for a liquid crystal film includes a first layer including splayed rod-shaped nematic liquid crystal material and a second layer disposed on a surface of the first layer and including at least one of a biaxial layer and an A-plate.Type: GrantFiled: April 16, 2012Date of Patent: December 26, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATIONInventors: Hee Kyung Kim, Jang-Kun Song
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Publication number: 20170303349Abstract: An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.Type: ApplicationFiled: May 2, 2017Publication date: October 19, 2017Inventors: Hee-Kyung KIM, Moon Yeon LEE, Kyoung Ah OH, Kyu Yeol IN, Ji-Hoon LEE, Myung Sup JUNG, Sang ah GAM
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Publication number: 20170271428Abstract: An organic light-emitting diode display device includes a first substrate that includes a display region with a plurality of pixels and a non-display region in a periphery of the display region, a first electrode disposed on the first substrate, a second electrode opposed to the first electrode, an organic light-emitting layer disposed between the first electrode and the second electrode, and at least one light sensing member disposed on a rear surface of the first substrate that overlaps the display region.Type: ApplicationFiled: June 1, 2017Publication date: September 21, 2017Inventors: Hee Kyung KIM, Yun Mo CHUNG, Byoung Ki KIM, Young Jun SHIN, Soo Ran PARK, Kwang Sub SHIN
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Publication number: 20170263690Abstract: A display device includes a display panel including a flexible region and a low flexibility region, wherein the flexible region may include a first transistor including a first semiconductor layer and a first gate electrode, a first conductor connected to the first semiconductor layer, and a first interlayer insulating layer between the first transistor and the first conductor. The low flexibility region may include a second transistor including a second semiconductor layer and a second gate electrode, a second conductor connected to the second semiconductor layer, and a second interlayer insulating layer between the second transistor and the second conductor. The first interlayer insulating layer may include an organic insulating material, the second interlayer insulating layer includes an inorganic insulating material, and a ratio of channel width to channel length of the first transistor may be different from that of the second transistor.Type: ApplicationFiled: February 24, 2017Publication date: September 14, 2017Inventors: June Woo Lee, Shin Moon Kang, Byoung Ki Kim, Hee Kyung Kim, Hyun Chul Son, Yun-Mo Chung, Jae Beom Choi
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Publication number: 20170214003Abstract: A display device includes a display panel and a camera module. The display panel displays an image on a first surface, and includes a first substrate, a sub-pixel structure, a reflection pattern, and a transflective reflection pattern. The first substrate included a plurality of pixel regions each having sub-pixel regions, a transparent region, and a reflection region surrounding the sub-pixel regions and the transparent region. The second substrate is disposed on the sub-pixel structure. The reflection pattern is disposed in the reflection region on the second substrate, and exposes the sub-pixel regions and the transparent region. The transflective reflection pattern is disposed on the second substrate, and has an opening exposing at least a portion of at least one transparent region among the transparent regions. The camera module is disposed in the second surface on the display panel, and the second surface is opposite to the first surface.Type: ApplicationFiled: January 13, 2017Publication date: July 27, 2017Inventors: Dae-Woo LEE, Shin-Moon KANG, Byoung-Ki KIM, Hee-Kyung KIM, Hyun-Chul SON, Ji-Hoon SONG, Yeon-Sung LEE, Yun-Mo CHUNG
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Patent number: 9685493Abstract: An organic light-emitting diode display device includes a first substrate that includes a display region with a plurality of pixels and a non-display region in a periphery of the display region, a first electrode disposed on the first substrate, a second electrode opposed to the first electrode, an organic light-emitting layer disposed between the first electrode and the second electrode, and at least one light sensing member disposed on a rear surface of the first substrate that overlaps the display region.Type: GrantFiled: February 8, 2016Date of Patent: June 20, 2017Assignee: SAMSUNG DISPLAY CO., Ltd.Inventors: Hee Kyung Kim, Yun Mo Chung, Byoung Ki Kim, Young Jun Shin, Soo Ran Park, Kwang Sub Shin
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Patent number: 9661692Abstract: An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.Type: GrantFiled: December 26, 2013Date of Patent: May 23, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.Inventors: Hee-Kyung Kim, Moon Yeon Lee, Kyoung Ah Oh, Kyu Yeol In, Ji-Hoon Lee, Myung Sup Jung, Sang ah Gam
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Publication number: 20170084675Abstract: An organic light-emitting display device may include a first substrate, a first electrode disposed on the first substrate, a pixel defining layer disposed on the first substrate and defining a pixel opening thereof which exposes a portion of the first electrode, an organic light-emitting layer disposed on the exposed portion of the first electrode, a second electrode disposed on the organic light-emitting layer, a capping layer disposed on the second electrode and extending to contact the pixel defining layer, a second substrate opposite to the first substrate, and a dispersion layer disposed on a bottom surface of the second substrate. The dispersion layer may absorb an outgas generated by the pixel defining layer.Type: ApplicationFiled: April 27, 2016Publication date: March 23, 2017Inventors: Ho-Jin YOON, Hee-Kyung KIM, Ji-Hoon SONG, Mu-Gyeom KIM
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Publication number: 20170052354Abstract: A projection lens system which is arranged between an object side at which a micro-display panel is located and an image side at which a screen is located, and includes an aperture stop; a front lens group arranged at an object-side of the aperture stop and having a positive refractive power; a rear lens group arranged at an image-side of the aperture stop, the rear lens group including a first aspherical lens at a position closest to the image side and a second aspherical lens adjacent to an object-side surface of the first aspherical lens; and an aspherical mirror having a negative refractive power and reflecting light coming from the rear lens group toward the image side.Type: ApplicationFiled: August 19, 2016Publication date: February 23, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-hyung KIM, Hee-kyung KIM, Jung-chul PARK, Se-jun SONG, Sung-kwang YANG, Yoon-gi LEE
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Patent number: 9559330Abstract: An organic light emitting diode display includes: a substrate; an interlayer insulating layer on the substrate; driving source and drain electrodes on the interlayer insulating layer and facing each other; a planarizing layer on the interlayer insulating layer; a pixel electrode on the planarizing layer and including a reflective electrode; a pixel defining layer on an edge portion of the pixel electrode and the planarizing layer, and including an opening for exposing the pixel electrode and a reflective hole for exposing a part of the interlayer insulating layer; an organic emission layer on the pixel electrode within the opening; a common electrode on the organic emission layer and the pixel defining layer and within the reflective hole, and including a transparent electrode; and an optical sensor under the substrate, in which the reflective hole moves light emitted from the organic emission layer to the optical sensor under the substrate.Type: GrantFiled: July 27, 2015Date of Patent: January 31, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hee Kyung Kim, Byoung Ki Kim, Il Hun Seo, Ho Jin Yoon, Yun-Mo Chung
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Publication number: 20170026607Abstract: An electronic device includes a projector, an operating method of an electronic device including a projector, and a non-transitory computer-readable recording medium having recorded thereon instructions for performing the operating method. The electronic device includes a communicator configured to exchange data with an external device, a projector configured to project light; a sensor configured to measure a degree of proximity between the electronic device and an installation surface on which the electronic device is to be installed, and a controller configured to control the communicator and/or the projector based on the degree of proximity measured by the sensor.Type: ApplicationFiled: July 21, 2016Publication date: January 26, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Hyung KIM, Hee-kyung KIM, Jung-chul PARK, Se-jun SONG, Sung-kwang YANG, Yoon-gi LEE
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Patent number: 9491854Abstract: A multi-layer microwave corrugated printed circuit board is provided. In one embodiment, an interconnect assembly includes a first flat flexible layer having a signal conductor and a ground conductor forming a first microstripline or microstrip transmission line, a second folded flexible layer having a signal conductor and a ground conductor forming a second microstripline or microstrip transmission line, the bottom surface of the second folded flexible layer having ridge portions, a non-conductive adhesive layer disposed between the top surface of the first flat flexible layer and the ridge portions of the second folded flexible layer, a signal through-hole extending through the non-conductive adhesive layer and the first flat flexible layer, and two ground through-holes extending through the non-conductive adhesive layer and the second folded flexible layer, wherein the two ground through-holes are disposed on opposite sides of the signal through-hole.Type: GrantFiled: April 18, 2013Date of Patent: November 8, 2016Assignee: RAYTHEON COMPANYInventors: Clifton Quan, Hee Kyung Kim, Fangchou Yang, Kevin C. Rolston, Edward Marsh Jackson
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Publication number: 20160316184Abstract: An electronic device including an optical module, a method of operating the electronic device including the optical module, and a non-transitory computer-readable recording medium having recorded thereon a program for performing the method. The electronic device includes an optical module configured to project content on a projection surface and a processor configured to determine whether the electronic device is positioned within a predetermined range of a projection surface and control the optical module to project the content onto the projection surface based on the determination.Type: ApplicationFiled: April 15, 2016Publication date: October 27, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-hyung KIM, Myung-su KANG, Ji-hyun KIM, Hyo-jung KIM, Hee-Kyung KIM, Bo-ram NAMGOONG, Jung-chul PARK, Se-jun SONG, Sung-kwang YANG, Yoon-gi LEE
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Publication number: 20160293686Abstract: A pixel and a display device including the same are disclosed. In one aspect, the pixel includes an organic light-emitting diode (OLED) and a reflection layer facing the OLED and configured to reflect light emitted from the OLED. The pixel also includes a photosensor configured to measure luminance of the reflected light. The photosensor is placed on a rear side of the OLED.Type: ApplicationFiled: November 4, 2015Publication date: October 6, 2016Inventors: Young Jun Shin, Hee Kyung Kim, Dae Woo Lee, Yun-Mo Chung
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Publication number: 20160233283Abstract: An organic light-emitting diode display device includes a first substrate that includes a display region with a plurality of pixels and a non-display region in a periphery of the display region, a first electrode disposed on the first substrate, a second electrode opposed to the first electrode, an organic light-emitting layer disposed between the first electrode and the second electrode, and at least one light sensing member disposed on a rear surface of the first substrate that overlaps the display region.Type: ApplicationFiled: February 8, 2016Publication date: August 11, 2016Inventors: HEE KYUNG KIM, YUN MO CHUNG, BYOUNG KI KIM, YOUNG JUN SHIN, SOO RAN PARK, KWANG SUB SHIN
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Publication number: 20160218324Abstract: An organic light emitting diode display includes: a substrate; a gate line on the substrate; a data line crossing the gate line; a driving voltage line extending parallel with at least one of the gate line and the data line; a first thin film transistor coupled to the gate line and the data line and comprising a first semiconductor layer; a second thin film transistor coupled to the first thin film transistor and the driving voltage line and comprising a second semiconductor layer; and an organic light emitting element coupled to the second thin film transistor, wherein at least one of the gate line, the data line, and the driving voltage line comprise a plurality of layers, and the lowest layer of the plurality of layers comprises a first metal layer made of a reflective metal.Type: ApplicationFiled: December 15, 2015Publication date: July 28, 2016Inventors: Byoung Ki KIM, Hee Kyung KIM, Il Hun SEO, Young Jun SHIN, Yun-Mo CHUNG