Patents by Inventor Won-kyu Lim
Won-kyu 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).
-
Publication number: 20170143175Abstract: A nozzle assembly for a vacuum cleaner includes a driving member including a first driving shaft and a second driving shaft in both sides thereof, a first drum of which one end is coupled to the first driving shaft to be driven by directly receiving driving force of the first driving shaft, and a second drum of which one end is coupled to the second driving shaft to be driven by directly receiving driving force of the second driving shaft.Type: ApplicationFiled: November 21, 2016Publication date: May 25, 2017Inventors: Shin KIM, Sok-won PAIK, Won-kyu LIM, Jae-min LEE, Hyun-ju LEE, Young-sung JUNG, Jung-su HA
-
Publication number: 20160174789Abstract: A cleaning apparatus includes a dust collector detachably installed at a cleaning stick. The dust collector includes a cyclone unit to generate a cyclone stream and a dust collecting unit to collect foreign matter. In this structure, a dust collecting efficiency of the dust collector may be increased, and a load of a cleaning apparatus body may be reduced.Type: ApplicationFiled: August 21, 2015Publication date: June 23, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung Gyun HAN, Shin KIM, Won Kyu LIM
-
Patent number: 9174307Abstract: A substrate cutting apparatus includes a stage configured to support a substrate, a first laser generator configured to emit a first laser beam toward the substrate, the first laser beam being a short-pulse laser beam, and a beam swing unit disposed on a beam path of the first laser beam, the beam swing unit being configured to swing the first laser beam in a predetermined light irradiating section on the substrate, the light irradiating section on the substrate including at least one of a curved line section and a straight line section.Type: GrantFiled: July 7, 2010Date of Patent: November 3, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Chul Lee, Won-Kyu Lim, Joon-Hyung Kim, Jae-Seok Park, Cheol-Lae Roh
-
Patent number: 9073777Abstract: A substrate cutting apparatus for cutting a large size substrate into smaller unit substrates includes a rotating table and a push plate. The rotating table, on which the large size substrate having formed thereon a plurality of cutting lines is mountable, includes rotating shafts at locations corresponding to the cutting lines. The push plate fixes a position of the large size substrate on the rotating table.Type: GrantFiled: February 10, 2012Date of Patent: July 7, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hyeon Kang, Hyun-Chul Lee, Won-Kyu Lim
-
Patent number: 8957582Abstract: An organic light-emitting display device includes a first substrate including an organic light-emitting diode and a plurality of electrodes connected to the organic light-emitting diode, the plurality of electrodes extending on the first substrate along a first direction toward an edge of the first substrate, a second substrate connected to the first substrate, the second substrate being shorter than the first substrate and exposing a portion of the plurality of electrodes on the first substrate, a sealing material disposed between the first substrate and the second substrate to surround the organic light-emitting diode, and an electrode protecting layer partially covering the exposed portion of the plurality of electrodes on the first substrate, a first side of the electrode protecting layer being between the first substrate and the second substrate, and a second side of the electrode protecting layer protruding beyond the second substrate.Type: GrantFiled: January 4, 2011Date of Patent: February 17, 2015Assignee: Samsung Display Co., Ltd.Inventors: Won-Kyu Lim, Hyun-Chul Lee, Jae-Seok Park, Cheol-Lae Roh, Jang-Hwan Shin, Yong-Jin Lee
-
Patent number: 8951387Abstract: An apparatus for removing a protective film for a flat display panel includes a laser oscillating member configured to be disposed over the protective film, the protective film attached to a surface of the flat display panel, the laser oscillating member configured to cut the protective film into a plurality of division regions by irradiating a laser beam; a separation member configured to peel at least one of the plurality of division regions from the flat display panel; a spacer member configured for insertion between the protective film and the at least one division region to be peeled from the flat display panel; and an adhesive member configured for attachment to a surface of the division region opposite the spacer member on the division region, the spacer member and the adhesive member being configured to move in a same direction.Type: GrantFiled: June 7, 2012Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Ji-Hyeon Kang, Hyun-Chul Lee, Won-Kyu Lim
-
Patent number: 8835803Abstract: A laser cutting method includes providing a multi-layered substrate, such that the multi-layered substrate includes a circuit pattern between stacked first and second substrates, and removing a part of the second substrate by irradiating a laser beam on the second substrate, the laser beam being irradiated at an oblique angle with respect to an upper surface of the second substrate.Type: GrantFiled: December 28, 2010Date of Patent: September 16, 2014Assignee: Samsung Display Co., Ltd.Inventors: Won-Kyu Lim, Hyun-Chul Lee, Alexander Voronov, Jae-Seok Park, Cheol-Lae Roh
-
Patent number: 8654304Abstract: A method of manufacturing a flat panel display is disclosed. In one aspect, the method includes preparing first and second mother substrates, forming a plurality of display cells on at least one of the mother substrates, forming a plurality of sealant lines enclosing the respective cells on either one of the mother substrates and assembling and sealing the two mother substrates with the sealant lines interposed therebetween. The method also includes mounting the two mother substrates on a stage, irradiating a laser beam to a defined light irradiation region of the mother substrates and cutting the mother substrates while moving the light irradiation region along an imaginary cut line where the mother substrates are to be cut. The light irradiation region includes a linear region and a curved region.Type: GrantFiled: August 23, 2013Date of Patent: February 18, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Won-Kyu Lim, Jae-Seok Park, Cheol-Lae Roh, Yong-Jin Lee, Jang-Hwan Shin
-
Publication number: 20130344768Abstract: A method of manufacturing a flat panel display is disclosed. In one aspect, the method includes preparing first and second mother substrates, forming a plurality of display cells on at least one of the mother substrates, forming a plurality of sealant lines enclosing the respective cells on either one of the mother substrates and assembling and sealing the two mother substrates with the sealant lines interposed therebetween. The method also includes mounting the two mother substrates on a stage, irradiating a laser beam to a defined light irradiation region of the mother substrates and cutting the mother substrates while moving the light irradiation region along an imaginary cut line where the mother substrates are to be cut. The light irradiation region includes a linear region and a curved region.Type: ApplicationFiled: August 23, 2013Publication date: December 26, 2013Applicant: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Won-Kyu Lim, Jae-Seok Park, Cheol-Lae Roh, Yong-Jin Lee, Jang-Hwan Shin
-
Patent number: 8520182Abstract: A flat panel display is disclosed. In one embodiment, the display includes i) a first substrate including a display area, wherein at least one display element is formed in the display area, ii) a second substrate covering the display area and connected to the first substrate, iii) a sealant formed between the first and second substrates. In one embodiment, the first substrate and the second substrate comprise a first cut surface and a second cut surface, respectively. Further, each of the first cut surface and the second cut surface has a plurality of corners each of which is concave from the perspective of the display area.Type: GrantFiled: November 15, 2010Date of Patent: August 27, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Won-Kyu Lim, Jae-Seok Park, Cheol-Lae Roh, Yong-Jin Lee, Jang-Hwan Shin
-
Patent number: 8444906Abstract: A substrate cutting method includes the steps of aligning a panel including two or more substrates, along a cutting line, forming groove lines in the respective substrates of the panel along the cutting line, by oscillating respective ultraviolet UV laser beams along the cutting line, and cutting the panel along the groove lines, by applying force to the panel.Type: GrantFiled: March 25, 2010Date of Patent: May 21, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Jin-Han Park, Joon-Hyung Kim, Won-Kyu Lim, Jae-Seok Park, Cheol-Lae Roh, Yong-Jin Lee
-
Patent number: 8420156Abstract: A method of forming a pattern and a method of manufacturing an organic light emitting device, the method of forming a pattern including providing an electromagnetic substrate for generating an electromagnetic field at a selectively controllable position by selectively controlling where current flows through the electromagnetic substrate; providing a patterning substrate for forming a pattern; aligning the electromagnetic substrate to a first surface of the patterning substrate; selectively applying current to the electromagnetic substrate to form the electromagnetic field at the predetermined position; providing masking powder in a vicinity of a second surface of the patterning substrate such that the masking powder reacts to the electromagnetic field; supplying a pattern forming material to the second surface of the patterning substrate; and cutting off the current to the electromagnetic substrate.Type: GrantFiled: January 7, 2011Date of Patent: April 16, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Jae-Seok Park, Cheol-Lae Roh, Won-Kyu Lim
-
Patent number: 8409788Abstract: A laser induced thermal imaging (LITI) method, a method of patterning an organic layer using the same and a method of manufacturing an organic light emitting diode (OLED) display device using the same. The LITI method includes preparing a substrate including a transfer layer, preparing a donor substrate including a base film and a light-to-heat conversion layer disposed on the base film, aligning the substrate with the donor substrate, and irradiating laser to the base layer of the donor substrate. Here, the laser is irradiated to the base layer in a region excluding a region corresponding to a pattern to be formed on the substrate. Thus, according to the method, regardless of the size of the pattern to be formed and the size of the laser beam, stitching mura can be prevented.Type: GrantFiled: October 26, 2010Date of Patent: April 2, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Chul Lee, Jin-Han Park, Hyung-Sik Kim, Won-Kyu Lim, Cheol-Lae Roh
-
Publication number: 20120241488Abstract: A substrate cutting apparatus for cutting a large size substrate into smaller unit substrates includes a rotating table and a push plate. The rotating table, on which the large size substrate having formed thereon a plurality of cutting lines is mountable, includes rotating shafts at locations corresponding to the cutting lines. The push plate fixes a position of the large size substrate on the rotating table.Type: ApplicationFiled: February 10, 2012Publication date: September 27, 2012Inventors: Ji-Hyeon KANG, Hyun-Chul Lee, Won-Kyu Lim
-
Publication number: 20110194063Abstract: A flat panel display is disclosed. In one embodiment, the display includes i) a first substrate including a display area, wherein at least one display element is formed in the display area, ii) a second substrate covering the display area and connected to the first substrate, iii) a sealant formed between the first and second substrates. In one embodiment, the first substrate and the second substrate comprise a first cut surface and a second cut surface, respectively. Further, each of the first cut surface and the second cut surface has a plurality of corners each of which is concave from the perspective of the display area.Type: ApplicationFiled: November 15, 2010Publication date: August 11, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hyun-Chul Lee, Won-Kyu Lim, Jae-Seok Park, Cheol-Lae Roh, Yong-Jin Lee, Jang-Hwan Shin
-
Publication number: 20110171397Abstract: A method of forming a pattern and a method of manufacturing an organic light emitting device, the method of forming a pattern including providing an electromagnetic substrate for generating an electromagnetic field at a selectively controllable position by selectively controlling where current flows through the electromagnetic substrate; providing a patterning substrate for forming a pattern; aligning the electromagnetic substrate to a first surface of the patterning substrate; selectively applying current to the electromagnetic substrate to form the electromagnetic field at the predetermined position; providing masking powder in a vicinity of a second surface of the patterning substrate such that the masking powder reacts to the electromagnetic field; supplying a pattern forming material to the second surface of the patterning substrate; and cutting off the current to the electromagnetic substrate.Type: ApplicationFiled: January 7, 2011Publication date: July 14, 2011Inventors: Hyun-Chul Lee, Jae-Seok Park, Cheol-Lae Roh, Won-Kyu Lim
-
Publication number: 20110163662Abstract: An organic light-emitting display device includes a first substrate including an organic light-emitting diode and a plurality of electrodes connected to the organic light-emitting diode, the plurality of electrodes extending on the first substrate along a first direction toward an edge of the first substrate, a second substrate connected to the first substrate, the second substrate being shorter than the first substrate and exposing a portion of the plurality of electrodes on the first substrate, a sealing material disposed between the first substrate and the second substrate to surround the organic light-emitting diode, and an electrode protecting layer partially covering the exposed portion of the plurality of electrodes on the first substrate, a first side of the electrode protecting layer being between the first substrate and the second substrate, and a second side of the electrode protecting layer protruding beyond the second substrate.Type: ApplicationFiled: January 4, 2011Publication date: July 7, 2011Inventors: Won-Kyu Lim, Hyun-Chul Lee, Jae-Seok Park, Cheol-Lae Roh, Jang-Hwan Shin, Yong-Jin Lee
-
Publication number: 20110155705Abstract: A laser cutting method includes providing a multi-layered substrate, such that the multi-layered substrate includes a circuit pattern between stacked first and second substrates, and removing a part of the second substrate by irradiating a laser beam on the second substrate, the laser beam being irradiated at an oblique angle with respect to an upper surface of the second substrate.Type: ApplicationFiled: December 28, 2010Publication date: June 30, 2011Inventors: Won-Kyu Lim, Hyun-Chul Lee, Alexander Voronov, Jae-Seok Park, Cheol-Lae Roh
-
Publication number: 20110129779Abstract: A laser induced thermal imaging (LITI) method, a method of patterning an organic layer using the same and a method of manufacturing an organic light emitting diode (OLED) display device using the same. The LITI method includes preparing a substrate including a transfer layer, preparing a donor substrate including a base film and a light-to-heat conversion layer disposed on the base film, aligning the substrate with the donor substrate, and irradiating laser to the base layer of the donor substrate. Here, the laser is irradiated to the base layer in a region excluding a region corresponding to a pattern to be formed on the substrate. Thus, according to the method, regardless of the size of the pattern to be formed and the size of the laser beam, stitching mura can be prevented.Type: ApplicationFiled: October 26, 2010Publication date: June 2, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hyun-Chul LEE, Jin-Han Park, Hyung-Sik Kim, Won-Kyu Lim, Cheol-Lae Roh
-
Publication number: 20110049764Abstract: A substrate cutting apparatus includes a stage configured to support a substrate, a first laser generator configured to emit a first laser beam toward the substrate, the first laser beam being a short-pulse laser beam, and a beam swing unit disposed on a beam path of the first laser beam, the beam swing unit being configured to swing the first laser beam in a predetermined light irradiating section on the substrate, the light irradiating section on the substrate including at least one of a curved line section and a straight line section.Type: ApplicationFiled: July 7, 2010Publication date: March 3, 2011Inventors: Hyun-Chul LEE, Won-Kyu LIM, Joon-Hyung KIM, Jae-Seok PARK, Cheol-Lae ROH