Patents by Inventor You-Min Cha
You-Min Cha 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: 10596582Abstract: A deposition apparatus uniformly controlling deposited quantities of a plurality of depositing sources by efficiently determining an abnormal depositing source. The deposition apparatus may reduce loss of materials by exactly determining an abnormal depositing source. The deposition apparatus includes: a plurality of depositing sources spraying a deposition material; a substrate holder fixing a substrate to face the depositing source; a depositing source shutter disposed at one side of the depositing source and opening and closing an passage of each depositing source; and a main shutter disposed between the depositing source and the substrate fixed to the substrate holder and depositing a part of the deposition material on the substrate through the main shutter.Type: GrantFiled: July 17, 2017Date of Patent: March 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sung-Joong Joo, You-Min Cha, Seuk-Hwan Park
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Patent number: 10151022Abstract: A deposition apparatus includes deposition sources, a deposition chamber, a mask assembly, and a transfer unit. The mask assembly includes a support member, a shutter member, and a drive member. The support member has a first opening configured to allow the deposition materials to pass through while supporting the base substrate on which the passed-through deposition materials are deposited. The shutter member is accommodated in the support member and has a second opening smaller than the first opening. The drive member is configured to change a position of the second opening with respect to the base substrate in accordance with the movement of the mask assembly.Type: GrantFiled: October 2, 2017Date of Patent: December 11, 2018Assignee: Samsung Display Co., Ltd.Inventors: Min Ho Kim, You Min Cha, Seuk Hwan Park
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Patent number: 10081863Abstract: A thin-film depositing apparatus including a mask, and a chucking unit for adhering the mask to a surface of a substrate, wherein the chucking unit includes a plurality of magnet units that contact another surface of the substrate by independently rising or falling by using their weight and thus are magnetically combined with the mask.Type: GrantFiled: March 24, 2014Date of Patent: September 25, 2018Assignee: Samsung Display Co., Ltd.Inventors: Kyung-Hoon Chung, You-Min Cha
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Publication number: 20180021802Abstract: A deposition apparatus includes deposition sources, a deposition chamber, a mask assembly, and a transfer unit. The mask assembly includes a support member, a shutter member, and a drive member. The support member has a first opening configured to allow the deposition materials to pass through while supporting the base substrate on which the passed-through deposition materials are deposited. The shutter member is accommodated in the support member and has a second opening smaller than the first opening. The drive member is configured to change a position of the second opening with respect to the base substrate in accordance with the movement of the mask assembly.Type: ApplicationFiled: October 2, 2017Publication date: January 25, 2018Inventors: Min Ho Kim, You Min Cha, Seuk Hwan Park
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Publication number: 20170312773Abstract: A deposition apparatus uniformly controlling deposited quantities of a plurality of depositing sources by efficiently determining an abnormal depositing source. The deposition apparatus may reduce loss of materials by exactly determining an abnormal depositing source. The deposition apparatus includes: a plurality of depositing sources spraying a deposition material; a substrate holder fixing a substrate to face the depositing source; a depositing source shutter disposed at one side of the depositing source and opening and closing an passage of each depositing source; and a main shutter disposed between the depositing source and the substrate fixed to the substrate holder and depositing a part of the deposition material on the substrate through the main shutter.Type: ApplicationFiled: July 17, 2017Publication date: November 2, 2017Inventors: Sung-Joong JOO, You-Min Cha, Seuk-Hwan Park
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Patent number: 9795983Abstract: A deposition apparatus includes deposition sources, a deposition chamber, a mask assembly, and a transfer unit. The mask assembly includes a support member, a shutter member, and a drive member. The support member has a first opening configured to allow the deposition materials to pass through while supporting the base substrate on which the passed-through deposition materials are deposited. The shutter member is accommodated in the support member and has a second opening smaller than the first opening. The drive member is configured to change a position of the second opening with respect to the base substrate in accordance with the movement of the mask assembly.Type: GrantFiled: March 11, 2013Date of Patent: October 24, 2017Assignee: Samsung Display Co., Ltd.Inventors: Min Ho Kim, You Min Cha, Seuk Hwan Park
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Patent number: 9751328Abstract: A monitoring apparatus is provided to monitor an amount of a liquid discharged from a nozzle. The monitoring apparatus includes a discharge case. The discharge case is configured to receive liquid discharged from a nozzle. The discharge case includes a storage space for storing the liquid. A photographing unit photographs the level of the liquid stored in the storage space.Type: GrantFiled: December 16, 2013Date of Patent: September 5, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Joong Joo, You-Min Cha
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Patent number: 9724715Abstract: A deposition apparatus may uniformly control deposited quantities of a plurality of depositing sources by efficiently determining an abnormal depositing source. The deposition apparatus may reduce loss of materials by exactly determining an abnormal depositing source. The deposition apparatus includes: a plurality of depositing sources spraying a deposition material; a substrate holder fixing a substrate to face the depositing source; a depositing source shutter disposed at one side of the depositing source and opening and closing an passage of each depositing source; and a main shutter disposed between the depositing source and the substrate fixed to the substrate holder and depositing a part of the deposition material on the substrate through the main shutter.Type: GrantFiled: July 30, 2013Date of Patent: August 8, 2017Assignee: Samsung Display Co., LtdInventors: Sung-Joong Joo, You-Min Cha, Seuk-Hwan Park
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Patent number: 9496317Abstract: A method of manufacturing an organic light emitting display apparatus by utilizing a deposition apparatus for forming an organic layer on a substrate includes: fixing the substrate to a mask assembly for forming a common layer or a mask assembly for forming a pattern layer in a loading unit; when the one or more deposition assemblies are separated from the substrate, forming an intermediate layer by depositing a deposition material discharged from the one or more deposition assemblies in a deposition unit of the deposition apparatus onto the substrate while the substrate is moved relative to the one or more deposition assemblies by a first conveyer unit; and separating the substrate on which the deposition is finished from the mask assembly for forming the common layer or the mask assembly for forming the pattern layer in an unloading unit.Type: GrantFiled: June 3, 2014Date of Patent: November 15, 2016Assignee: Samsung Display Co., Ltd.Inventors: Min-Hwan Choi, Chi-Woo Kim, Gun-Shik Kim, Ok-Keun Song, Kee-Han Uh, Seong-Ho Jeong, You-Min Cha, Jae-Beom Choi, Young-Mo Koo, Keum-Nam Kim, Dae-Sung Choi
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Patent number: 9490443Abstract: A light emitting display device and a method for fabricating the same. The light emitting display device includes a substrate, a first electrode arranged on the substrate, a first insulating film arranged on the substrate and including a first opening that exposes a portion of the first electrode, a second insulating film arranged on the first insulating film and including a second opening that exposes the first opening, a light emitting layer including a light emitting material arranged on the exposed portion of first electrode while also being in contact with the first insulating film and a second electrode arranged on the light emitting layer, wherein a difference in wetting between the first electrode and the first insulating film with respect to the light emitting material is lower than a difference in wetting between the first electrode and the second insulating film with respect to the light emitting material.Type: GrantFiled: October 18, 2013Date of Patent: November 8, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung Joong Joo, You Min Cha
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Patent number: 9267202Abstract: A deposition apparatus includes a deposition chamber, a plurality of substrate holders comprising a first holder configured to maintain a substrate at a first substrate position in the deposition chamber and a second holder configured to maintain another substrate at a second substrate position in the deposition chamber, a deposition source disposed in the deposition chamber and configured to supply a deposition material to apply onto substrates placed at the first and second substrate positions, and a deposition source transfer mechanism configured to move the deposition source to be opposite to one of the first and second substrates in a first direction, a substrate transfer mechanism configured to transfer a substrate in a second direction to or from the first substrate position and further configured to transfer another substrate in the second direction to or from the second substrate position.Type: GrantFiled: November 7, 2013Date of Patent: February 23, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sung-Joong Joo, You-Min Cha, Seuk-Hwan Park
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Patent number: 9118029Abstract: An organic light emitting display includes a substrate, a first electrode disposed on the substrate, a pixel definition layer disposed on the substrate to partition a pixel area, a first common layer disposed on the first electrode, a protrusion pattern that includes a plurality of protrusions disposed on the first common layer and spaced apart from each other, a light emitting layer disposed on the first common layer in the pixel area, and a second electrode disposed on the light emitting layer.Type: GrantFiled: September 25, 2013Date of Patent: August 25, 2015Assignee: Samsung Display Co., Ltd.Inventors: Woo Sub Shim, Jae Hoon Kim, You Min Cha
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Publication number: 20150179710Abstract: A method of manufacturing an organic light emitting display apparatus by utilizing a deposition apparatus for forming an organic layer on a substrate includes: fixing the substrate to a mask assembly for forming a common layer or a mask assembly for forming a pattern layer in a loading unit; when the one or more deposition assemblies are separated from the substrate, forming an intermediate layer by depositing a deposition material discharged from the one or more deposition assemblies in a deposition unit of the deposition apparatus onto the substrate while the substrate is moved relative to the one or more deposition assemblies by a first conveyer unit; and separating the substrate on which the deposition is finished from the mask assembly for forming the common layer or the mask assembly for forming the pattern layer in an unloading unit.Type: ApplicationFiled: June 3, 2014Publication date: June 25, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Hwan Choi, Chi-Woo Kim, Gun-Shik Kim, Ok-Keun Song, Kee-Han Uh, Seong-Ho Jeong, You-Min Cha, Jae-Beom Choi, Young-Mo Koo, Keum-Nam Kim, Dae-Sung Choi
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Patent number: 9034141Abstract: A thin film forming apparatus and a thin film forming method using the same are disclosed. In one aspect, the thin film forming apparatus comprises a mask that includes a blocking portion and an opening. It also includes an etching source that jets an etching gas through the opening of the mask to etch a thin film according to a pattern. The mask includes a gas blower for blowing a gas around the opening so that the etching gas does not penetrate into a thin film area corresponding to the block portion. When the thin film forming apparatus is used, a normal residual area of a thin film may be safely preserved and patterning may be accurately performed. Thus, the quality of a product manufactured by using the thin film forming apparatus may be improved.Type: GrantFiled: May 30, 2013Date of Patent: May 19, 2015Assignee: Samsung Display Co., Ltd.Inventors: Sung-Joong Joo, You-Min Cha
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Publication number: 20150114293Abstract: A thin-film depositing apparatus including a mask, and a chucking unit for adhering the mask to a surface of a substrate, wherein the chucking unit includes a plurality of magnet units that contact another surface of the substrate by independently rising or falling by using their weight and thus are magnetically combined with the mask.Type: ApplicationFiled: March 24, 2014Publication date: April 30, 2015Applicant: Samsung Display Co., Ltd.Inventors: Kyung-Hoon Chung, You-Min Cha
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Patent number: 8974858Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.Type: GrantFiled: July 17, 2013Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Wan Park, You-Min Cha, Won-Seok Cho, Jae-Mork Park, Jae-Hong Ahn, Min-Jeong Hwang, Tae-Wook Kim, Jong-Woo Lee, Tae-Seung Kim
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Patent number: 8961692Abstract: Provided is an evaporating apparatus that deposits a deposition material onto a treatment object. The evaporating apparatus includes a base, a deposition source, and first and second correction units. The deposition source deposits the deposition material onto the treatment object. The base is disposed separately from the treatment object. The deposition source is placed on a surface of the base. The first and second correction units located between the deposition source and the treatment object. The first and second correction units are disposed on outer regions of the deposition source and face each other. Each of the first and second correction units rotates to control the thickness of a layer formed by the deposition material deposited on the treatment object.Type: GrantFiled: March 26, 2010Date of Patent: February 24, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Wan Park, You-Min Cha, Jae-Hong Ahn, Won-Seok Cho, Jae-Mork Park, Min-Jeong Hwang
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Publication number: 20150014661Abstract: A organic light emitting display device including a first substrate on which red, green, and blue pixels are formed, the red, green, and blue pixels display including a plurality of first electrodes disposed corresponding to the red, green, and blue pixels, respectively, a plurality of organic light emitting structures emitting white light disposed above the first electrodes, respectively, a plurality of second electrodes respectively disposed on the organic light emitting structures, and a plurality of secondary transparent electrodes disposed between the first electrodes and the organic light emitting structures. The secondary transparent electrodes have different thicknesses from each other by a printing process such that red light, green light, and blue light are respectively emitted by the red, green, and blue pixels when the white light causes resonance to occur between the first electrodes and the second electrodes.Type: ApplicationFiled: July 7, 2014Publication date: January 15, 2015Inventors: Sung-Joong JOO, You-Min Cha
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Publication number: 20140345524Abstract: A monitoring apparatus is provided to monitor an amount of a liquid discharged from a nozzle. The monitoring apparatus includes a discharge case. The discharge case is configured to receive liquid discharged from a nozzle. The discharge case includes a storage space for storing the liquid. A photographing unit photographs the level of the liquid stored in the storage space.Type: ApplicationFiled: December 16, 2013Publication date: November 27, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Joong JOO, You-Min Cha
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Publication number: 20140322852Abstract: A deposition apparatus includes a deposition chamber, a plurality of substrate holders comprising a first holder configured to maintain a substrate at a first substrate position in the deposition chamber and a second holder configured to maintain another substrate at a second substrate position in the deposition chamber, a deposition source disposed in the deposition chamber and configured to supply a deposition material to apply onto substrates placed at the first and second substrate positions, and a deposition source transfer mechanism configured to move the deposition source to be opposite to one of the first and second substrates in a first direction, a substrate transfer mechanism configured to transfer a substrate in a second direction to or from the first substrate position and further configured to transfer another substrate in the second direction to or from the second substrate position.Type: ApplicationFiled: November 7, 2013Publication date: October 30, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sung-Joong JOO, You-Min CHA, Seuk-Hwan PARK