Patents by Inventor Taek Ahn
Taek Ahn 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: 10003723Abstract: A camera module includes a coil member, a magnet member, and a sensor member. The coil member is positioned on a first surface of a fixed unit. The magnet member is positioned on a movable unit and facing the coil member. The sensor member is positioned on a second surface of the fixed unit and configured to sense a position of the movable unit.Type: GrantFiled: January 27, 2016Date of Patent: June 19, 2018Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong Wan Cho, Byung Hoon Lee, Sang Ho Seo, Jae Ho Baik, Shin Young Cheong, Hyun Taek Ahn
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Publication number: 20160344912Abstract: A camera module includes a fixed unit having an accommodating space; a moveable unit disposed in the accommodating space; an actuator configured to drive the movable unit in an optical axis direction; a substrate, disposed on a first side surface of the fixed unit, including a coil member of the actuator disposed on a first surface of the substrate; and connection pads, disposed on a second surface of the substrate, electrically connected to the coil member.Type: ApplicationFiled: January 28, 2016Publication date: November 24, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Ho BAIK, Shin Young CHEONG, Byung Hoon LEE, Sang Ho SEO, Yong Wan CHO, Hyun Taek AHN
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Publication number: 20160344919Abstract: A camera module includes a coil member, a magnet member, and a sensor member. The coil member is positioned on a first surface of a fixed unit. The magnet member is positioned on a movable unit and facing the coil member. The sensor member is positioned on a second surface of the fixed unit and configured to sense a position of the movable unit.Type: ApplicationFiled: January 27, 2016Publication date: November 24, 2016Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Wan CHO, Byung Hoon LEE, Sang Ho SEO, Jae Ho BAIK, Shin Young CHEONG, Hyun Taek AHN
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Publication number: 20150200579Abstract: Embodiments of the invention provide a motor rotor including a shaft, a rotor core having the shaft coupled thereto, and a balancing part formed integrally with the rotor core and the shaft, wherein the balancing part includes a balancing protrusion protruding therefrom.Type: ApplicationFiled: May 6, 2014Publication date: July 16, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Ho SEO, Yong Wan CHO, Hyun Taek AHN
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Publication number: 20150188394Abstract: Embodiments of the invention provide a motor assembly including a terminal provided at a stator of a motor and electrically connected to a coil wound around the stator, and a controller formed with a coupling hole to which the terminal is coupled and electrically connected and controlling electric input and output to the terminal.Type: ApplicationFiled: December 30, 2014Publication date: July 2, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yong Wan CHO, Hyun Taek AHN, Sang Ho SEO, Young Bok YOON, Jin Su SEOK
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Publication number: 20140159516Abstract: Disclosed herein is a switched reluctance motor assembly, wherein a lower balancing part, which becomes a target to be cut for balancing, includes a lower balancing part body installed on a lower surface of a rotor part and an encoder protruding on a lower surface of the lower balancing part body. In the present invention, the encoder, which is a portion of a balancing part, becomes a target to be cut, thereby making it possible to more effectively perform balancing even with a smaller amount of cutting as compared with the prior art.Type: ApplicationFiled: July 2, 2013Publication date: June 12, 2014Inventors: Jin Su Seok, Jin Wook Baek, Hyun Taek Ahn, Young Bok Yoon
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Publication number: 20140154114Abstract: Disclosed herein are a switched reluctance motor assembly and a method of assembling the same. The switched reluctance motor assembly includes: a shaft forming the center of rotation of a motor; a rotor part rotatably coupled on the shaft; a balancing part installed on upper and lower surfaces of the rotor part; and an impeller part installed on the balancing part, wherein the balancing part and the impeller part are formed integrally with or directly coupled to each other to prevent generation of unbalance at the time of attaching the impeller part, thereby making it possible to promote stable rotation.Type: ApplicationFiled: March 11, 2013Publication date: June 5, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTDInventors: Jin Su Seok, Jin Wook Baek, Hyun Taek Ahn, Young Bok Yoon
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Publication number: 20140147067Abstract: Disclosed herein is a bearing module for a motor that rotatably supports a rotational shaft and is sintered and molded, including: an upper bearing; and a lower bearing coupled to the upper bearing, wherein an oil receiving portion is formed in at least one of the upper bearing and the lower bearing.Type: ApplicationFiled: March 13, 2013Publication date: May 29, 2014Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Su Seok, Jin Wook Baek, Hyun Taek Ahn, Young Bok Yoon
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Patent number: 8318533Abstract: An organic thin film transistor that has good adhesiveness and good contact resistance as well as allows ohmic contact between an organic semiconductor layer and a source electrode and a drain electrode, and its manufacturing method. There is also provided a flat panel display device using the organic thin film transistor. The organic thin film transistor includes a source electrode, a drain electrode, an organic semiconductor layer, a gate insulating layer, and a gate electrode formed on a substrate, and a carrier relay layer including conductive polymer material formed at least between the organic semiconductor layer and the source electrode or the organic semiconductor layer and the drain electrode.Type: GrantFiled: April 5, 2010Date of Patent: November 27, 2012Assignee: Samsung Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Jae-Bon Koo, Jin-Seong Park
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Patent number: 8222631Abstract: An organic thin film transistor in which source and drain electrodes have a double layer structure to aid patterning of an organic semiconductor layer using a laser beam, and a flat display device having the organic thin film transistor. The organic thin film transistor includes: a gate electrode; a source electrode and a drain electrode insulated from the gate electrode; an organic semiconductor layer insulated from the gate electrode and having a portion patterned to electrically connect to the source and drain electrodes; and a protection layer formed on the source and drain electrodes.Type: GrantFiled: August 23, 2006Date of Patent: July 17, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hun-Jung Lee, Taek Ahn
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Patent number: 8207529Abstract: A thin film transistor includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer that is insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer that insulates the gate electrode from the source and drain electrodes or the organic semiconductor layer; a hydrophobic layer which covers the source and drain electrodes or insulating layer and has an opening that defines a region corresponding to the organic semiconductor layer; and a hydrophilic layer formed in the opening of the hydrophobic layer, wherein the organic semiconductor layer is formed on the hydrophilic layer. The thin film transistor includes the organic semiconductor layer having a highly precise pattern that is formed without an additional patterning process.Type: GrantFiled: August 16, 2010Date of Patent: June 26, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Jin-Seong Park
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Patent number: 7960207Abstract: An organic thin film transistor (OTFT) and a method of fabricating the same are provided in which an organic layer and metal interconnections are formed to have certain linewidths and shapes such that a degradation of device characteristics is prevented. The method includes providing a substrate, forming a gate electrode on the substrate, forming a gate insulating layer on the gate electrode, forming source and drain electrodes on the gate insulating layer, and forming a semiconductor layer on the source and drain electrodes. The gate electrode is formed by an inkjet printing method and ablated by a laser.Type: GrantFiled: November 10, 2006Date of Patent: June 14, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh
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Patent number: 7919396Abstract: An organic thin film transistor that prevents the surface of an organic semiconductor layer from being damaged and reduces turn-off current, a method of fabricating the same, and an organic light-emitting device incorporating the organic thin film transistor. The organic thin film transistor includes a substrate, source and drain electrodes arranged on the substrate, a semiconductor layer contacting the source and drain electrodes and comprising a channel region, a protective film arranged on the semiconductor layer and having a same pattern as the semiconductor layer, the protective film comprising a laser-absorbing material, a gate insulating film arranged between the gate and the source and drain electrodes, a gate electrode arranged on the gate insulating film and a separation pattern arranged within the semiconductor layer and within the protective film, the separation pattern adapted to define the channel region of the semiconductor layer.Type: GrantFiled: January 12, 2009Date of Patent: April 5, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Yeon-Gon Mo
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Patent number: 7910401Abstract: An organic thin film transistor that can reduce contact resistance between source and drain electrodes and an organic semiconductor layer and can be readily manufactured, a flat panel display apparatus utilizing the organic thin film transistor, and a method of manufacturing the organic thin film transistor. The organic thin film transistor includes: a substrate; a source electrode and a drain electrode disposed on the gate insulating film; a conductive polymer layer disposed to cover at least a portion of each of source and drain electrodes; a hydrophobic material layer disposed on the substrate and the source and drain electrodes except regions where the conductive polymer layer are formed; an organic semiconductor layer electrically connected to the source and drain electrodes; a gate insulating film disposed to cover the organic semiconductor layer; and a gate electrode disposed on the gate insulating film.Type: GrantFiled: February 17, 2010Date of Patent: March 22, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Min-Chul Suh, Taek Ahn, Jin-Seong Park
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Patent number: 7875877Abstract: An organic thin film transistor that can control the threshold voltage and reduce leakage current includes: a gate electrode; an organic semiconductor layer insulated from the gate electrode; a source electrode and a drain electrode insulated from the gate electrode and electrically connected to the organic semiconductor layer; a gate insulating layer interposed between the gate electrode and the organic semiconductor layer; and a hole control layer that is interposed between the gate insulating layer and the organic semiconductor layer. The hole control layer includes a compound having a hole-donor group or a compound having a hole-acceptor group.Type: GrantFiled: October 17, 2006Date of Patent: January 25, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Seong Park, Min-Chul Suh, Taek Ahn
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Patent number: 7875475Abstract: A flat panel display apparatus includes a gate insulating layer having openings which define pixels. The flat panel display apparatus includes: a substrate; a source electrode and a drain electrode formed on the substrate; a semiconductor layer contacting the source electrode and the drain electrode; a gate formed on the substrate; an insulating layer formed between the source and drain electrodes and the gate, and including an opening; and a pixel electrode partially exposed by the opening of the insulating layer. The insulating layer acts as a gate insulating layer and a pixel definition layer defining the pixel electrode.Type: GrantFiled: March 2, 2009Date of Patent: January 25, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Min-Chul Suh, Taek Ahn, Yong-Woo Park
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Publication number: 20100308317Abstract: A thin film transistor includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer that is insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer that insulates the gate electrode from the source and drain electrodes or the organic semiconductor layer; a hydrophobic layer which covers the source and drain electrodes or insulating layer and has an opening that defines a region corresponding to the organic semiconductor layer; and a hydrophilic layer formed in the opening of the hydrophobic layer, wherein the organic semiconductor layer is formed on the hydrophilic layer. The thin film transistor includes the organic semiconductor layer having a highly precise pattern that is formed without an additional patterning process.Type: ApplicationFiled: August 16, 2010Publication date: December 9, 2010Applicant: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Jin-Seong Park
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Patent number: 7800102Abstract: The organic TFT includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer insulating the gate electrode from the source and drain electrodes and the organic semiconductor layer; and a self-assembly monolayer (SAM) included between the insulating layer and the organic semiconductor layer. A compound forming the SAM has at least one terminal group selected from the group consisting of an unsubstituted or substituted C6-C30 aryl group and an unsubstituted or substituted C2-C30 heteroaryl group. The organic TFT is formed by forming the above-described layers and forming the SAM on the insulating layer before the organic semiconductor layer and source and drain electrodes are formed.Type: GrantFiled: October 18, 2006Date of Patent: September 21, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Seong Park, Taek Ahn, Min-Chul Suh
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Patent number: 7799597Abstract: A thin film transistor includes: a gate electrode; source and drain electrodes insulated from the gate electrode; an organic semiconductor layer that is insulated from the gate electrode and electrically connected to the source and drain electrodes; an insulating layer that insulates the gate electrode from the source and drain electrodes or the organic semiconductor layer; a hydrophobic layer which covers the source and drain electrodes or insulating layer and has an opening that defines a region corresponding to the organic semiconductor layer; and a hydrophilic layer formed in the opening of the hydrophobic layer, wherein the organic semiconductor layer is formed on the hydrophilic layer. The thin film transistor includes the organic semiconductor layer having a highly precise pattern that is formed without an additional patterning process.Type: GrantFiled: October 19, 2006Date of Patent: September 21, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Jin-Seong Park
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Publication number: 20100197085Abstract: An organic thin film transistor that has good adhesiveness and good contact resistance as well as allows ohmic contact between an organic semiconductor layer and a source electrode and a drain electrode, and its manufacturing method. There is also provided a flat panel display device using the organic thin film transistor. The organic thin film transistor includes a source electrode, a drain electrode, an organic semiconductor layer, a gate insulating layer, and a gate electrode formed on a substrate, and a carrier relay layer including conductive polymer material formed at least between the organic semiconductor layer and the source electrode or the organic semiconductor layer and the drain electrode.Type: ApplicationFiled: April 5, 2010Publication date: August 5, 2010Applicant: Samsung Mobile Display Co., Ltd.Inventors: Taek Ahn, Min-Chul Suh, Jae-Bon Koo, Jin-Seong Park