Patents by Inventor Ju Won Lee
Ju Won Lee 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: 11659732Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.Type: GrantFiled: June 24, 2021Date of Patent: May 23, 2023Assignee: Samsung Display Co., Ltd.Inventors: Su Jung Huh, Soo Min Baek, Ji Won Lee, Ju Hwa Ha
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Publication number: 20230122553Abstract: The present invention relates to an apparatus and method for drawing, the method comprising: inputting a drawing image; recognizing a component in the input drawing image; inferring a structure of an object based on the recognized component; and drawing the inferred structure of the object.Type: ApplicationFiled: February 2, 2022Publication date: April 20, 2023Inventors: Seung Jae LEE, Su Woong LEE, Yong Sik LEE, Ju Won LEE, Da Un JUNG, Jong Gook KO, Won Young YOO
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Publication number: 20220301629Abstract: A storage device including a nonvolatile memory device that includes a nonvolatile memory cell array including a string including first and second memory cells stacked sequentially, and an OTP memory cell array that stores reference count values, the first and second memory cells respectively connected to first and second word lines; a controller including a processor that generates a read command for the first memory cell; a read level generator including a counter that receives the read command and calculates an off-cell count value of memory cells connected to the second word line, and a comparator that receives a first reference count value from the OTP memory cell array, compares the off-cell count value with the first reference count value to determine a threshold voltage shift of the second memory cell, and determines a read level of the first memory cell based on the threshold voltage shift.Type: ApplicationFiled: June 10, 2022Publication date: September 22, 2022Inventors: JUN-HO SEO, SUK-EUN KANG, DO GYEONG LEE, JU WON LEE
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Patent number: 11380398Abstract: A storage device including a nonvolatile memory device that includes a nonvolatile memory cell array including a string including first and second memory cells stacked sequentially, and an OTP memory cell array that stores reference count values, the first and second memory cells respectively connected to first and second word lines; a controller including a processor that generates a read command for the first memory cell; a read level generator including a counter that receives the read command and calculates an off-cell count value of memory cells connected to the second word line, and a comparator that receives a first reference count value from the OTP memory cell array, compares the off-cell count value with the first reference count value to determine a threshold voltage shift of the second memory cell, and determines a read level of the first memory cell based on the threshold voltage shift.Type: GrantFiled: February 23, 2021Date of Patent: July 5, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Jun-Ho Seo, Suk-Eun Kang, Do Gyeong Lee, Ju Won Lee
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Publication number: 20220020433Abstract: A storage device including a nonvolatile memory device that includes a nonvolatile memory cell array including a string including first and second memory cells stacked sequentially, and an OTP memory cell array that stores reference count values, the first and second memory cells respectively connected to first and second word lines; a controller including a processor that generates a read command for the first memory cell; a read level generator including a counter that receives the read command and calculates an off-cell count value of memory cells connected to the second word line, and a comparator that receives a first reference count value from the OTP memory cell array, compares the off-cell count value with the first reference count value to determine a threshold voltage shift of the second memory cell, and determines a read level of the first memory cell based on the threshold voltage shift.Type: ApplicationFiled: February 23, 2021Publication date: January 20, 2022Inventors: JUN-HO SEO, SUK-EUN KANG, DO GYEONG LEE, JU WON LEE
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Patent number: 9893235Abstract: A light emitting device is provided a transmissive substrate; a first pattern portion including a protrusions; a second pattern portion including a concaves having a width smaller than a width of each protrusion; a light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer, under the transmissive substrate; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member around the first electrode and the first connection electrode and around the second electrode and the second connection electrode. A transmissive resin layer is on the transmissive substrate and an insulating layer is between the insulating support member and the reflective electrode layer.Type: GrantFiled: February 10, 2015Date of Patent: February 13, 2018Assignee: LG INNOTEK CO., LTDInventors: Pil Geun Kang, Hee Seok Choi, Seok Beom Choi, Ju Won Lee, Deok Ki Hwang, Young Ju Han
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Patent number: 9673366Abstract: A light emitting device may be provided that includes a substrate, a light emitting structure, a first electrode on a part of the first semiconductor layer, an electrode layer on the second conductive semiconductor layer, an insulating layer on the electrode layer, a second electrode on the electrode layer, a support member on the insulating layer, a first connection electrode connected to the first electrode, and a second connection electrode connected to the second electrode. The insulating layer is disposed on a side surface of the light emitting structure and the part of the first semiconductor layer. The insulating layer includes a first layer and a second layer having a different material from the first layer. The first layer of the insulating layer has a refractive index different from the second layer of the insulating layer.Type: GrantFiled: October 28, 2015Date of Patent: June 6, 2017Assignee: LG Innotek Co., Ltd.Inventors: Deok Ki Hwang, Young Ju Han, Hee Seok Choi, Ju Won Lee, Pil Geun Kang, Seok Beom Choi
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Patent number: 9397261Abstract: A light emitting device is provided a transmissive substrate; a first pattern portion including a protrusions; a second pattern portion including a concaves having a width smaller than a width of each protrusion; a light emitting structure under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent.Type: GrantFiled: November 15, 2012Date of Patent: July 19, 2016Assignee: LG Innotek Co., Ltd.Inventors: Pil Geun Kang, Hee Seok Choi, Seok Beom Choi, Ju Won Lee, Deok Ki Hwang, Young Ju Han
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Patent number: 9269878Abstract: A light emitting device may be provided that includes a substrate, a light emitting structure, a first electrode under the first semiconductor layer, a reflective electrode layer under the second conductive semiconductor layer, a second electrode under the reflective electrode layer, and a support member under the first semiconductor layer and the reflective electrode layer around the first and second electrodes. A first connection electrode may be provided under the first electrode. At least a part of the first connection electrode is provided in the support member. A second connection electrode may be provided under the second electrode At least a part of the second connection electrode may be provided in the support member.Type: GrantFiled: November 10, 2011Date of Patent: February 23, 2016Assignee: LG INNOTEK CO., LTD.Inventors: Deok Ki Hwang, Young Ju Han, Hee Seok Choi, Ju Won Lee, Pil Geun Kang, Seok Beom Choi
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Publication number: 20160049546Abstract: A light emitting device may be provided that includes a substrate, a light emitting structure, a first electrode on a part of the first semiconductor layer, an electrode layer on the second conductive semiconductor layer, an insulating layer on the electrode layer, a second electrode on the electrode layer, a support member on the insulating layer, a first connection electrode connected to the first electrode, and a second connection electrode connected to the second electrode. The insulating layer is disposed on a side surface of the light emitting structure and the part of the first semiconductor layer. The insulating layer includes a first layer and a second layer having a different material from the first layer. The first layer of the insulating layer has a refractive index different from the second layer of the insulating layer.Type: ApplicationFiled: October 28, 2015Publication date: February 18, 2016Inventors: Deok Ki HWANG, Young Ju HAN, Hee Seok CHOI, Ju Won LEE, Pil Geun KANG, Seok Beom CHOI
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Publication number: 20150179884Abstract: A light emitting device is provided a transmissive substrate; a first pattern portion including a protrusions; a second pattern portion including a concaves having a width smaller than a width of each protrusion; a light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer, under the transmissive substrate; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member around the first electrode and the first connection electrode and around the second electrode and the second connection electrode. A transmissive resin layer is on the transmissive substrate and an insulating layer is between the insulating support member and the reflective electrode layer.Type: ApplicationFiled: February 10, 2015Publication date: June 25, 2015Inventors: Pil Geun KANG, Hee Seok CHOI, Seok Beom CHOI, Ju Won LEE, Deok Ki HWANG, Young Ju HAN
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Publication number: 20130119424Abstract: A light emitting device is provided a transmissive substrate; a first pattern portion including a protrusions; a second pattern portion including a concaves having a width smaller than a width of each protrusion; a light emitting structure under the transmissive substrate and including a first conductive semiconductor layer, a second conductive semiconductor layer and an active layer; a first electrode under the first conductive semiconductor layer; a reflective electrode layer under the second conductive semiconductor layer; a second electrode under the reflective electrode layer; a first connection electrode under the first electrode; a second connection electrode under the second electrode; and an insulating support member around the first electrode and the first connection electrode and around the second electrode and the second connection electrode and including a ceramic-based thermal diffusion agent.Type: ApplicationFiled: November 15, 2012Publication date: May 16, 2013Inventors: Pil Geun KANG, Hee Seok CHOI, Seok Beom CHOI, Ju Won LEE, Deok Ki HWANG, Young Ju HAN
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Publication number: 20120299038Abstract: A light emitting device may be provided that includes a substrate, a light emitting structure, a first electrode under the first semiconductor layer, a reflective electrode layer under the second conductive semiconductor layer, a second electrode under the reflective electrode layer, and a support member under the first semiconductor layer and the reflective electrode layer around the first and second electrodes. A first connection electrode may be provided under the first electrode. At least a part of the first connection electrode is provided in the support member. A second connection electrode may be provided under the second electrode At least a part of the second connection electrode may be provided in the support member.Type: ApplicationFiled: November 10, 2011Publication date: November 29, 2012Inventors: Deok Ki Hwang, Young Ju Han, Hee Seok Choi, Ju Won Lee, Pil Geun Kang, Seok Beom Choi
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Patent number: 7736046Abstract: Provided are embodiments of an optical sheet and a backlight assembly having the optical sheet. The optical sheet can include a body, a plurality of protrusions, and a plurality of embossed portions. The body can form a substrate. One surface of the body can be provided in a planar shape, and the other surface of the body can include the plurality of protrusions, where the protrusions have a triangular shaped cross-section. Each of the protrusions can be configured with the plurality of embossed, which may be formed by a microlens pattern.Type: GrantFiled: April 12, 2007Date of Patent: June 15, 2010Assignee: Miraenanotech Co., Ltd.Inventors: Cheul Young Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ju Won Lee, Min Soo Kim, Hyun Sil Shin, Yong Jae Kim
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Patent number: 7645057Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.Type: GrantFiled: January 18, 2008Date of Patent: January 12, 2010Assignee: Miraenanotech Co., Ltd.Inventors: Cheul Yong Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
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Publication number: 20080180598Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.Type: ApplicationFiled: January 18, 2008Publication date: July 31, 2008Inventors: CHEUL YONG KIM, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
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Patent number: 7344282Abstract: An optical sheet includes a substrate onto which light is incident, and a convex part protruded from the substrate by a predetermined thickness. A thickness of the convex part increases from an edge to a center thereof.Type: GrantFiled: December 27, 2005Date of Patent: March 18, 2008Assignee: Miraenanotech Co., Ltd.Inventors: Cheul Yong Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ki Won Jeon, Ju Won Lee, Eun Jung Ham, Myung Su Lee
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Publication number: 20070258268Abstract: Provided are embodiments of an optical sheet and backlight assemblies incorporating the optical sheet. The optical sheet can include a body and a plurality of protrusions. The protrusions are arranged on a surface of the body. A furrow pattern in which furrows are arranged is formed on the protrusion for scattering light.Type: ApplicationFiled: April 13, 2007Publication date: November 8, 2007Inventors: Cheul Young Kim, Sang Mook Kim, Jong Wook Huh, Dong Ryoul Kim, Ju Won Lee
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Patent number: 7221094Abstract: An electroluminescent display (EL) device and a method of manufacturing the same. The EL device includes a substrate, a first electrode unit including first electrodes formed on the substrate in a predetermined pattern, and first electrode terminals connected to the respective first electrodes; a second electrode unit including second electrodes formed on the first electrodes, and second electrode terminals connected to the respective second electrodes; an emission area formed where the first electrodes intersect the second electrodes, an electroluminescent layer disposed between the first electrodes and the second electrodes in the emission area, and an outer insulating layer between the emission area and the second electrode terminals; wherein the outer insulating layer comprises an insulating material formed to contact at least an edge of the second electrode terminals facing the emission area to reduce a steepness of a step between the second electrode terminal and the substrate.Type: GrantFiled: August 22, 2003Date of Patent: May 22, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Se Jun Heo, Chang Hee Ko, Ju Won Lee
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Publication number: 20060168839Abstract: A layer on a semiconductor substrate is scanned with a stream of heated gas to bake the layer. A baking apparatus includes a stage that supports the semiconductor substrate and a gas injector that expels the stream of the heated gas. The stage and the gas injector are moved relative to one another to scan the substrate with the stream of heated gas and thus, bake the layer that is disposed thereon. Fumes emanating from the layer are removed while the layer is scanned. To this end, the apparatus also includes a vacuum head that is fixed in position relative to the gas injector.Type: ApplicationFiled: January 9, 2006Publication date: August 3, 2006Inventors: Ju-Won Lee, Jae-Hyun Sung, Nak-Hee Seong