Patents by Inventor Joon Suk Lee
Joon Suk 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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Publication number: 20150179718Abstract: An organic light emitting diode display device and a method of fabricating the organic light emitting diode display device are discussed. The organic light emitting diode display device includes, a plurality of first electrodes extending in a first direction and a second direction; a common line to adjacent plurality of first electrodes; a pixel definition layer disposed at boundaries of the plurality of first electrodes; an adhesive pattern disposed on the common line; a wall on the adhesive pattern and overlapping the common line; an organic layer on the plurality of first electrodes and on the wall; and a second electrode on the organic layer and contacting the common line in a portion under an overhang of the wall, wherein the organic layer is spaced apart from the adhesive pattern by a distance, and wherein the distance is covered by a portion of the second electrode.Type: ApplicationFiled: August 15, 2014Publication date: June 25, 2015Inventors: Eun-Ah KIM, Joon-Suk LEE, Jae-Sung LEE
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Patent number: 9064736Abstract: A method of manufacturing a three-dimensional semiconductor memory device is provided. The method includes alternately stacking a first insulation film, a first sacrificial film, alternating second insulation films and second sacrificial films, a third sacrificial film and a third insulation film on a substrate. A channel hole is formed to expose a portion of the substrate while passing through the first insulation film, the first sacrificial film, the second insulation films, the second sacrificial films, the third sacrificial film and the third insulation film. The method further includes forming a semiconductor pattern on the portion of the substrate exposed in the channel hole by epitaxial growth. Forming the semiconductor pattern includes forming a lower epitaxial film, doping an impurity into the lower epitaxial film, and forming an upper epitaxial film on the lower epitaxial film.Type: GrantFiled: April 8, 2014Date of Patent: June 23, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-Suk Lee, Woong Lee, Hun-Hyeong Lim, Ki-Hyun Hwang
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Publication number: 20150104916Abstract: A method of manufacturing a three-dimensional semiconductor memory device is provided. The method includes alternately stacking a first insulation film, a first sacrificial film, alternating second insulation films and second sacrificial films, a third sacrificial film and a third insulation film on a substrate. A channel hole is formed to expose a portion of the substrate while passing through the first insulation film, the first sacrificial film, the second insulation films, the second sacrificial films, the third sacrificial film and the third insulation film. The method further includes forming a semiconductor pattern on the portion of the substrate exposed in the channel hole by epitaxial growth. Forming the semiconductor pattern includes forming a lower epitaxial film, doping an impurity into the lower epitaxial film, and forming an upper epitaxial film on the lower epitaxial film.Type: ApplicationFiled: April 8, 2014Publication date: April 16, 2015Inventors: Joon-Suk Lee, Woong LEE, Hun-Hyeong LIM, Ki-Hyun HWANG
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Publication number: 20150060809Abstract: An OLED display device includes a substrate, a driving thin film transistor (TFT) formed on the substrate, a passivation layer formed over the substrate and covering the driving TFT, an OLED display formed on the passivation layer, the OLED including a first electrode, an organic emitting layer and a second electrode, a base line formed on the passivation layer, a support pattern formed on the central portion of the base line, a first bank layer covering a boundary portion of each of the first electrode and the base line so as to expose a central portion of each of the first electrode and the base line, and a second bank layer formed on the support pattern. The organic emitting layer is formed on the first electrode, the first and second bank layers and the support pattern in a pixel region of the substrate, and is cut at a top edge portion of the support pattern to expose a portion of the base line, and the second electrode covers the organic emitting layer and is connected to the portion of the base line.Type: ApplicationFiled: August 13, 2014Publication date: March 5, 2015Applicant: LG DISPLAY CO., LTD.Inventors: Eun-Ah KIM, Joon-Suk LEE
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Patent number: 8963137Abstract: An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A voltage drop prevention pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.Type: GrantFiled: December 6, 2012Date of Patent: February 24, 2015Assignee: LG Display Co., Ltd.Inventors: Joon-Suk Lee, Se-June Kim, JuhnSuk Yoo
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Patent number: 8933440Abstract: An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A voltage drop prevention pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.Type: GrantFiled: December 6, 2012Date of Patent: January 13, 2015Assignee: LG Display Co., Ltd.Inventors: Joon-Suk Lee, Se-June Kim, JuhnSuk Yoo
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Publication number: 20150001507Abstract: An organic light emitting display apparatus includes pixel areas, each pixel area having emission and non-emission areas; a first electrode corresponding to the emission area of each pixel area; a bus electrode corresponding to at least a portion of the non-emission areas; an adherent pattern on a portion of the bus electrode; a separation pattern covering a top portion of the bus electrode and having an inverted tapered shape cross section defining a crevice under the separation pattern and above the bus electrode; an organic layer on the first electrode and the separation pattern, and further formed on a remaining portion of the bus electrode except a portion corresponding to the crevice under the separation pattern, the organic layer having an emission layer; and a second electrode on the organic layer and disposed in the crevice, the second electrode electrically contacting the bus electrode via the crevice.Type: ApplicationFiled: June 27, 2014Publication date: January 1, 2015Applicant: LG Display Co., Ltd.Inventors: Eun-Ah Kim, Joon-Suk Lee
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Patent number: 8895971Abstract: The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate, a protective film formed to cover the thin film transistor, a color filter layer formed on the substrate exposed by removing a gate insulating layer of the thin film transistor and the protective film, an overcoat layer formed over the entire surface of the substrate to cover the color filter layer and the protective film, a drain contact hole exposing the thin film transistor by selectively removing the protective film and the overcoat layer, and a first electrode connected to the thin film transistor through the drain contact hole on the overcoat layer, a white organic light emitting layer formed on the first electrode, and a second electrode formed to cover the white organic light emitting layer.Type: GrantFiled: December 20, 2012Date of Patent: November 25, 2014Assignee: LG Display Co., Ltd.Inventors: Eun-Ah Kim, Joon-Suk Lee
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Patent number: 8883531Abstract: An OLED display device is provided. The OLED display device includes a substrate segmented into a plurality sub-pixel regions, a thin film transistor formed in each of the sub-pixel regions, an insulating layer and a planarization layer formed on the thin film transistor, a semitransparent reflective layer selectively formed in each sub-pixel region on the planarization layer, a protective layer formed on the semitransparent reflective layer, an anode electrode formed in a region corresponding to the semitransparent reflective layer on the protective layer and connected to the thin film transistor, an organic light emitting layer connected to the anode electrode, and emitting light, and a cathode electrode formed on the organic light emitting layer.Type: GrantFiled: December 3, 2012Date of Patent: November 11, 2014Assignee: LG Display Co., Ltd.Inventors: Se June Kim, Joon Suk Lee, Yong Chul Kim, Sung Bin Shim
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Patent number: 8736163Abstract: An organic electro-luminescence display device and a method for fabricating the same are provided. A first substrate and a second substrate are sealed by a sealant. An organic electro-luminescent diode is formed on the first substrate. The sealant contains a frit glass and a light-heat converter. The frit glass can reduce the moisture and oxygen transmission rate by preventing the organic electro-luminescent diode from being thermally decomposed during a curing process. Since the two substrates are encapsulated by the frit glass, the lifetime and reliability of the organic electro-luminescence display device can be increased.Type: GrantFiled: June 28, 2007Date of Patent: May 27, 2014Assignee: LG Display Co., Ltd.Inventors: Jeong Hyun Kim, Choong Keun Yoo, Heung Lyul Cho, Joon Suk Lee, Jong Seok Moon, In Sun Yoo
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Publication number: 20140077725Abstract: An organic electroluminescent display device includes an organic electroluminescent display panel including top emission pixels to emit light toward a top side of a substrate and bottom emission pixels to emit light toward a bottom side of the substrate, the top emission pixels and the bottom emission pixels being formed such that corresponding ones thereof share a common transparent area, a scan driver for supplying a scan signal to scan lines each connected to selected ones of the top and bottom emission pixels, and a data driver for supplying a data voltage to data lines each connected to selected ones of the top and bottom emission pixels. The top emission pixels and the bottom emission pixels are formed on the substrate to alternate with each other on a pixel basis, on a scan line basis, or a data line basis.Type: ApplicationFiled: December 27, 2012Publication date: March 20, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Joon-Suk LEE, Bu-Yeol LEE, Joon-Soo HAN, Binn KIM
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Publication number: 20140061595Abstract: An OLED display device is provided. The OLED display device includes a substrate segmented into a plurality sub-pixel regions, a thin film transistor formed in each of the sub-pixel regions, an insulating layer and a planarizion layer formed on the thin film transistor, a semitransparent reflective layer selectively formed in each sub-pixel region on the planarizion layer, a protective layer formed on the semitransparent reflective layer, an anode electrode formed in a region corresponding to the semitransparent reflective layer on the protective layer and connected to the thin film transistor, an organic light emitting layer connected to the anode electrode, and emitting light, and a cathode electrode formed on the organic light emitting layer.Type: ApplicationFiled: December 3, 2012Publication date: March 6, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Se June Kim, Joon Suk Lee, Yong Chul Kim, Sung Bin Shim
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Publication number: 20140054555Abstract: The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate, a protective film formed to cover the thin film transistor, a color filter layer formed on the substrate exposed by removing a gate insulating layer of the thin film transistor and the protective film, an overcoat layer formed over the entire surface of the substrate to cover the color filter layer and the protective film, a drain contact hole exposing the thin film transistor by selectively removing the protective film and the overcoat layer, and a first electrode connected to the thin film transistor through the drain contact hole on the overcoat layer, a white organic light emitting layer formed on the first electrode, and a second electrode formed to cover the white organic light emitting layer.Type: ApplicationFiled: December 20, 2012Publication date: February 27, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Eun-Ah Kim, Joon-Suk Lee
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Patent number: 8445887Abstract: A nonvolatile programmable switch device using a phase-change memory device and a method of manufacturing the same are provided. The switch device includes a substrate, a first metal electrode layer disposed on the substrate and including a plurality of terminals, a phase-change material layer disposed on the substrate and having a self-heating channel structure, the phase-change material layer having a plurality of introduction regions electrically contacting the terminals of the first metal electrode layer and a channel region interposed between the introduction regions, an insulating layer disposed on the first metal electrode layer and the phase-change material layer, a via hole disposed on the first metal electrode layer, and a second metal electrode layer disposed to fill the via hole.Type: GrantFiled: April 23, 2009Date of Patent: May 21, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Sung Min Yoon, Byoung Gon Yu, Soon Won Jung, Seung Yun Lee, Young Sam Park, Joon Suk Lee
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Patent number: 8426304Abstract: Methods of manufacturing a semiconductor device include forming a stopping layer pattern in a first region of a substrate. A first mold structure is formed in a second region of the substrate that is adjacent the first region. The first mold structure includes first sacrificial patterns and first interlayer patterns stacked alternately. A second mold structure is formed on the first mold structure and the stopping layer pattern. The second mold structure includes second sacrificial patterns and second interlayer patterns stacked alternately. The second mold structure partially covers the stopping layer pattern. A channel pattern is formed and passes through the first mold structure and the second mold structure.Type: GrantFiled: September 23, 2011Date of Patent: April 23, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-Chul Yoo, Chan-Jin Park, Ki-Hyun Hwang, Han-Mei Choi, Joon-Suk Lee
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Patent number: 8395569Abstract: The present invention relates to an organic electroluminescent display (OELD) device, more particularly, to a dual panel type OELD device and a method of fabricating the same. The OLED structure has first and second barrier walls having a reverse-taper shape with respect to the first substrate and first and second side surfaces, wherein the walls define novel polymer patterns with varying heights relative to each other.Type: GrantFiled: October 8, 2009Date of Patent: March 12, 2013Assignee: LG Display Co., Ltd.Inventors: Kyung-Hee Min, Sung-Joon Bae, Joon-Suk Lee, Do-Hyung Kim
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Publication number: 20130056784Abstract: An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.Type: ApplicationFiled: March 8, 2012Publication date: March 7, 2013Applicant: LG DISPLAY CO., LTD.Inventors: Joon-Suk Lee, Se-June Kim
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Patent number: 8227983Abstract: An OLED display device and a method of fabricating the same is disclosed, to realize the simplified process, wherein the OLED display device comprises a sub-pixel driving array disposed on a first substrate; an OLED array disposed on a second substrate; a sealant to bond the first and second substrates to each other; a plurality of lower pads disposed on the first substrate; a plurality of upper pads disposed on the second substrate; and a plurality of conductive balls included in the sealant, wherein the upper pads are respectively connected with the lower pads through the conductive balls.Type: GrantFiled: June 22, 2007Date of Patent: July 24, 2012Assignee: LG Display Co., Ltd.Inventors: Jong Hwa Lee, Joon Suk Lee
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Patent number: 8217571Abstract: An organic light emitting diode display device according to the present invention includes a first electrode on a first substrate including a first region and a second region, the second region substantially surrounding the first region; a pixel separating pattern on the first electrode in the second region; an organic light emitting pattern at least in the first region; a second electrode on the organic light emitting pattern; a contact electrode on the pixel separating pattern, the contact electrode being electrically connected to the second electrode; and a thin film transistor on the second substrate facing the first substrate, the thin film transistor being electrically connected to the contact electrode.Type: GrantFiled: December 11, 2007Date of Patent: July 10, 2012Assignee: LG Display Co., Ltd.Inventors: Jae Yoon Lee, Heung Lyul Cho, Kyung Man Kim, Joon Suk Lee, Do Hyung Kim, Moon Ky Lee, Woo Jin Nam, Jeong Hyun Kim
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Publication number: 20120115309Abstract: Methods of manufacturing a semiconductor device include forming a stopping layer pattern in a first region of a substrate. A first mold structure is formed in a second region of the substrate that is adjacent the first region. The first mold structure includes first sacrificial patterns and first interlayer patterns stacked alternately. A second mold structure is formed on the first mold structure and the stopping layer pattern. The second mold structure includes second sacrificial patterns and second interlayer patterns stacked alternately. The second mold structure partially covers the stopping layer pattern. A channel pattern is formed and passes through the first mold structure and the second mold structure.Type: ApplicationFiled: September 23, 2011Publication date: May 10, 2012Inventors: Dong-Chul Yoo, Chan-Jin Park, Ki-Hyun Hwang, Han-Mei Choi, Joon-Suk Lee