Patents by Inventor Sang Yeon Hwang
Sang Yeon Hwang 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: 12256619Abstract: A display device is provided. A display device including a plurality of light-output areas through which incident light is emitted and a light-blocking area which blocks the incident light, the display device includes a substrate, a bank layer which is disposed in the light-blocking area on the substrate and defines a plurality of openings, each of which is disposed in one of the plurality of light-output areas, and a color control pattern disposed in the opening of the bank layer, wherein the bank layer includes a first bank area which has a first thickness and defines the plurality of openings and a second bank area which is disposed between the plurality of openings and has a second thickness smaller than the first thickness.Type: GrantFiled: September 23, 2021Date of Patent: March 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Seon Uk Lee, Hwa Yeul Oh, Seung Kil Yang, Song Ee Lee, Yoo Seok Jang, Jeong Ki Kim, Jong Hoon Kim, Ju Yong Kim, Ji Seong Yang, Jun Hwi Lim, Sang Yeon Hwang
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Publication number: 20220199690Abstract: A display device is provided. A display device including a plurality of light-output areas through which incident light is emitted and a light-blocking area which blocks the incident light, the display device includes a substrate, a bank layer which is disposed in the light-blocking area on the substrate and defines a plurality of openings, each of which is disposed in one of the plurality of light-output areas, and a color control pattern disposed in the opening of the bank layer, wherein the bank layer includes a first bank area which has a first thickness and defines the plurality of openings and a second bank area which is disposed between the plurality of openings and has a second thickness smaller than the first thickness.Type: ApplicationFiled: September 23, 2021Publication date: June 23, 2022Inventors: Seon Uk LEE, Hwa Yeul OH, Seung Kil YANG, Song Ee LEE, Yoo Seok JANG, Jeong Ki KIM, Jong Hoon KIM, Ju Yong KIM, Ji Seong YANG, Jun Hwi LIM, Sang Yeon Hwang
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Patent number: 7594592Abstract: A feeder for the surface mounting device is disclosed. The feeder includes a feeding unit being installed at one side of a main frame, having a plurality of armature coils and a circular permanent magnetic unit facing the plurality of armature coils to generate a rotation/reverse rotation force and carry a tape at a pitch interval and having a position sensing unit and a position detecting disk capable of sensing the position of the circular permanent magnetic unit, a vinyl separation unit carrying the vinyl removed from the tape by the rotation force or re-carrying the vinyl by the reverse rotation force, and a vinyl recovery unit recovering the vinyl by winding the same by the rotation force or discharging the vinyl by the reverse rotation force.Type: GrantFiled: April 16, 2004Date of Patent: September 29, 2009Assignee: Mirae CorporationInventors: Ji Hyun Hwang, Do Hyun Kim, Sang Yeon Hwang
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Publication number: 20080082918Abstract: A computer system including at least one device; a battery unit which possesses a predetermined battery capacity and supplies power to the device; a monitoring unit which monitors a battery remaining capacity of the battery unit; an alarm informing unit which generates an alarm related to the battery unit; and a controller which sets up an alarm level corresponding to the battery capacity of the battery unit, and controls the alarm informing unit to generate the alarm to inform that the battery unit is short of the battery remaining capacity if the battery remaining capacity of the battery unit monitored by the monitoring unit is smaller than the alarm level.Type: ApplicationFiled: June 19, 2007Publication date: April 3, 2008Applicant: Samsung Electronics Co., Ltd.Inventor: Sang-yeon HWANG
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Publication number: 20040188024Abstract: A feeder for the surface mounting device is disclosed. The feeder includes a feeding unit being installed at one side of a main frame, having a plurality of armature coils and a circular permanent magnetic unit facing the plurality of armature coils to generate a rotation/reverse rotation force and carry a tape at a pitch interval and having a position sensing unit and a position detecting disk capable of sensing the position of the circular permanent magnetic unit, a vinyl separation unit carrying the vinyl removed from the tape by the rotation force or re-carrying the vinyl by the reverse rotation force, and a vinyl recovery unit recovering the vinyl by winding the same by the rotation force or discharging the vinyl by the reverse rotation force.Type: ApplicationFiled: April 16, 2004Publication date: September 30, 2004Applicant: Mirae CorporationInventors: Ji Hyun Hwang, Do Hyun Kim, Sang Yeon Hwang
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Patent number: 6748991Abstract: A feeder for the surface mounting device is disclosed. The feeder includes a feeding unit being installed at one side of a main frame, having a plurality of armature coils and a circular permanent magnetic unit facing the plurality of armature coils to generate a rotation/reverse rotation force and carry a tape at a pitch interval and having a position sensing unit and a position detecting disk capable of sensing the position of the circular permanent magnetic unit, a vinyl separation unit carrying the vinyl removed from the tape by the rotation force or re-carrying the vinyl by the reverse rotation force, and a vinyl recovery unit recovering the vinyl by winding the same by the rotation force or discharging the vinyl by the reverse rotation force.Type: GrantFiled: November 21, 2001Date of Patent: June 15, 2004Assignee: Mirae CorporationInventors: Ji Hyun Hwang, Do Hyun Kim, Sang Yeon Hwang
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Publication number: 20020063137Abstract: A feeder for a surface mounting device includes: a main frame; a parts feeding unit including a forward/backward rotation force generating unit for carrying a tape by forwardly/backwardly rotating a circular permanent magnetic unit by a mutual magnetic force with armature coils, a driving gear for receiving the forward/backward rotation force and simultaneously carrying the tape at a constant distance and a position sensing unit for sensing the position of the permanent magnetic unit; a vinyl separation unit being for carrying the vinyl removed from the tape by the forward rotating force or re-carrying the vinyl by the backward rotating force; and a vinyl recovery unit for recovering the vinyl by winding the same by the forward rotating force unit or discharging the vinyl.Type: ApplicationFiled: November 14, 2001Publication date: May 30, 2002Applicant: MIRAE CorporationInventors: Ji Hyun Hwang, Do Hyun Kim, Sang Yeon Hwang
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Publication number: 20020062927Abstract: A feeder for the surface mounting device is disclosed. The feeder includes a feeding unit being installed at one side of a main frame, having a plurality of armature coils and a circular permanent magnetic unit facing the plurality of armature coils to generate a rotation/reverse rotation force and carry a tape at a pitch interval and having a position sensing unit and a position detecting disk capable of sensing the position of the circular permanent magnetic unit, a vinyl separation unit carrying the vinyl removed from the tape by the rotation force or re-carrying the vinyl by the reverse rotation force, and a vinyl recovery unit recovering the vinyl by winding the same by the rotation force or discharging the vinyl by the reverse rotation force.Type: ApplicationFiled: November 21, 2001Publication date: May 30, 2002Applicant: MIRAE CORPORATIONInventors: Ji Hyun Hwang, Do Hyun Kim, Sang Yeon Hwang