Patents by Inventor Hak-Soon Lee
Hak-Soon 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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Patent number: 11474420Abstract: An image projection device includes: a panel unit configured to emit light rays; a projection optical system configured to receive the light rays emitted from the panel unit and to refract the light rays; a reflection unit having a reflection surface for receiving the light rays refracted by the projection optical system and reflecting the light rays; and a screen unit configured to display an image upon receiving the light rays reflected from the reflection surface. The panel unit, the projection optical system, the reflection unit, and the screen unit are arranged such that a distance of a shortest path among paths extending from the panel unit to the reflection unit through the projection optical system along a predetermined linear axis is longer than a distance of a longest path among paths extending from the reflection unit to the screen unit along the predetermined linear axis.Type: GrantFiled: January 11, 2021Date of Patent: October 18, 2022Assignee: SK TELECOM CO., LTD.Inventors: Dong Youb Sinn, Yong Woo Bae, Seung Ho Shin, Jae Hwang Yu, Hak Soon Lee, Guk Chan Lim, Ku Ik Chung, Jin Yong Han
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Patent number: 11454930Abstract: A holographic image display device according to one embodiment comprises: an image display unit on which a holographic image is displayed; and a spatial impression providing unit which forms a space surrounding the holographic image, and includes a transparent color material such that the space looks colored and the holographic image can be recognized from the outside.Type: GrantFiled: October 19, 2018Date of Patent: September 27, 2022Assignee: SK TELECOM CO., LTD.Inventors: Yong Woo Bae, Dongyoub Sinn, Hak-Soon Lee, Jinsoo Jeon, Gukchan Lim
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Patent number: 11175874Abstract: According to one embodiment of the present disclosure, a method for displaying an image on a multi-display device including two or more displays comprises determining whether the image includes a boundary area image to be displayed over a boundary area between a first display and a second display adjacent to the first display; and inserting dummy data into the image so that the image has an increased size and the dummy data is displayed on a position corresponding to the boundary area.Type: GrantFiled: September 19, 2018Date of Patent: November 16, 2021Assignee: SK TELECOM CO., LTD.Inventors: Gukchan Lim, Seungmin Seen, Yong Woo Bae, Dongyoub Sinn, Seungho Shin, Hak-Soon Lee, Jinsoo Jeon
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Patent number: 11086445Abstract: A method in accordance with an embodiment is performed by a control apparatus. The method includes obtaining, when applications having a region within which the applications are overlapped with each other are displayed on the touch display device, information that one application of the applications is displayed to cover the other application of the applications or that said one application is displayed to be covered by the other application within the region; determining, based on the obtained information, touch sensing cycles for touch sensors among a plurality of touch sensors embedded in the touch display device to be different from each other, each of said at least two touch sensors sensing a corresponding part within an entire region where the applications are displayed on the touch display device; and controlling each of said at least two touch sensors to perform a sensing operation based on its touch sensing cycle.Type: GrantFiled: October 1, 2018Date of Patent: August 10, 2021Assignee: SK TELECOM CO., LID.Inventors: Gukchan Lim, Yong Woo Bae, Dongyoub Sinn, Seungmin Seen, Seungho Shin, Hak-Soon Lee, Jinsoo Jeon
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Publication number: 20210200151Abstract: A holographic image display device according to one embodiment comprises: an image display unit on which a holographic image is displayed; and a spatial impression providing unit which forms a space surrounding the holographic image, and includes a transparent color material such that the space looks colored and the holographic image can be recognized from the outside.Type: ApplicationFiled: October 19, 2018Publication date: July 1, 2021Inventors: Yong Woo BAE, Dongyoub SINN, Hak-Soon LEE, Jinsoo JEON, Gukchan LIM
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Publication number: 20210132480Abstract: An image projection device includes: a panel unit configured to emit light rays; a projection optical system configured to receive the light rays emitted from the panel unit and to refract the light rays; a reflection unit having a reflection surface for receiving the light rays refracted by the projection optical system and reflecting the light rays; and a screen unit configured to display an image upon receiving the light rays reflected from the reflection surface. The panel unit, the projection optical system, the reflection unit, and the screen unit are arranged such that a distance of a shortest path among paths extending from the panel unit to the reflection unit through the projection optical system along a predetermined linear axis is longer than a distance of a longest path among paths extending from the reflection unit to the screen unit along the predetermined linear axis.Type: ApplicationFiled: January 11, 2021Publication date: May 6, 2021Inventors: Dong Youb SINN, Yong Woo BAE, Seung Ho SHIN, Jae Hwang YU, Hak Soon LEE, Guk Chan LIM, Ku Ik CHUNG, Jin Yong HAN
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Patent number: 10976565Abstract: A speckle reduction device includes: a beam-shaping lens to shape at least one laser beam emitted from at least one light source, and to transmit the shaped laser beam to a panel; and a vibration unit to vibrate the beam-shaping lens in directions of two or more vibration axes such that a direction of the laser beam to be transmitted to the panel is changed to forms a plurality of different patterns.Type: GrantFiled: October 23, 2017Date of Patent: April 13, 2021Assignee: BRYTN CO., LTD.Inventor: Hak Soon Lee
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Publication number: 20200241724Abstract: A method in accordance with an embodiment is performed by a control apparatus. The method includes obtaining, when applications having a region within which the applications are overlapped with each other are displayed on the touch display device, information that one application of the applications is displayed to cover the other application of the applications or that said one application is displayed to be covered by the other application within the region; determining, based on the obtained information, touch sensing cycles for touch sensors among a plurality of touch sensors embedded in the touch display device to be different from each other, each of said at least two touch sensors sensing a corresponding part within an entire region where the applications are displayed on the touch display device; and controlling each of said at least two touch sensors to perform a sensing operation based on its touch sensing cycle.Type: ApplicationFiled: October 1, 2018Publication date: July 30, 2020Inventors: Gukchan LIM, Yong Woo BAE, Dongyoub SINN, Seungmin SEEN, Seungho SHIN, Hak-Soon LEE, Jinsoo JEON
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Publication number: 20200225899Abstract: According to one embodiment of the present disclosure, a method for displaying an image on a multi-display device including two or more displays comprises determining whether the image includes a boundary area image to be displayed over a boundary area between a first display and a second display adjacent to the first display; and inserting dummy data into the image so that the image has an increased size and the dummy data is displayed on a position corresponding to the boundary area.Type: ApplicationFiled: September 19, 2018Publication date: July 16, 2020Applicant: SK TELECOM CO., LTD.Inventors: Gukchan LIM, Seungmin SEEN, Yong Woo BAE, Dongyoub SINN, Seungho SHIN, Hak-Soon LEE, Jinsoo JEON
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Publication number: 20180045976Abstract: A speckle reduction device includes: a beam-shaping lens to shape at least one laser beam emitted from at least one light source, and to transmit the shaped laser beam to a panel; and a vibration unit to vibrate the beam-shaping lens in directions of two or more vibration axes such that a direction of the laser beam to be transmitted to the panel is changed to forms a plurality of different patterns.Type: ApplicationFiled: October 23, 2017Publication date: February 15, 2018Inventor: Hak Soon LEE
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Patent number: 9739957Abstract: An optical device for implementing passive alignment of parts and a method therefor, more particularly an optical device and a method therefor that utilize an alignment reference part arranged on the substrate to passively align an optical element part with a lens-optical fiber connection part. For the passive alignment of parts, connection pillars of an alignment reference part are coupled to substrate holes, one or more light-emitting elements and one or more light-receiving elements are aligned in a row in a particular interval with respect to alignment holes arranged opposite each other in the alignment reference part, a lens-optical fiber connection part is aligned with respect to the alignment holes, and an optical fiber is aligned with the optical alignment point at a surface of a prism forming a portion of the lens-optical fiber connection part.Type: GrantFiled: January 20, 2016Date of Patent: August 22, 2017Assignee: UNIVE CO., LTD.Inventors: Yung Sung Son, Sang-Shin Lee, Hak-Soon Lee, Jun-Young Park
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Patent number: 9507105Abstract: An optical device for implementing passive alignment of parts and a method therefor, more particularly an optical device and a method therefor that utilize an alignment reference part arranged on the substrate to passively align an optical element part with a lens-optical fiber connection part. For the passive alignment of parts, connection pillars of an alignment reference part are coupled to substrate holes, one or more light-emitting elements and one or more light-receiving elements are aligned in a row in a particular interval with respect to alignment holes arranged opposite each other in the alignment reference part, a lens-optical fiber connection part is aligned with respect to the alignment holes, and an optical fiber is aligned with the optical alignment point at a surface of a prism forming a portion of the lens-optical fiber connection part.Type: GrantFiled: June 30, 2015Date of Patent: November 29, 2016Assignee: UNIVE CO., LTD.Inventors: Yung Sung Son, Sang-Shin Lee, Hak-Soon Lee, Jun-Young Park
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Publication number: 20160246014Abstract: An optical device for implementing passive alignment of parts and a method therefor, more particularly an optical device and a method therefor that utilize an alignment reference part arranged on the substrate to passively align an optical element part with a lens-optical fiber connection part. For the passive alignment of parts, connection pillars of an alignment reference part are coupled to substrate holes, one or more light-emitting elements and one or more light-receiving elements are aligned in a row in a particular interval with respect to alignment holes arranged opposite each other in the alignment reference part, a lens-optical fiber connection part is aligned with respect to the alignment holes, and an optical fiber is aligned with the optical alignment point at a surface of a prism forming a portion of the lens-optical fiber connection part.Type: ApplicationFiled: January 20, 2016Publication date: August 25, 2016Inventors: Yung Sung SON, Sang-Shin LEE, Hak-Soon LEE, Jun-Young PARK
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Publication number: 20150378114Abstract: An optical device for implementing passive alignment of parts and a method therefor, more particularly an optical device and a method therefor that utilize an alignment reference part arranged on the substrate to passively align an optical element part with a lens-optical fiber connection part. For the passive alignment of parts, connection pillars of an alignment reference part are coupled to substrate holes, one or more light-emitting elements and one or more light-receiving elements are aligned in a row in a particular interval with respect to alignment holes arranged opposite each other in the alignment reference part, a lens-optical fiber connection part is aligned with respect to the alignment holes, and an optical fiber is aligned with the optical alignment point at a surface of a prism forming a portion of the lens-optical fiber connection part.Type: ApplicationFiled: June 30, 2015Publication date: December 31, 2015Inventors: Yung Sung SON, Sang-Shin LEE, Hak-Soon LEE, Jun-Young PARK
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Patent number: 9103984Abstract: An optical device for implementing passive alignment of parts and a method therefore, more particularly an optical device and a method therefore that utilize an alignment reference part 115 arranged on the substrate 110 to passively align an optical element part 111 with a lens-optical fiber connection part 120. For the passive alignment of parts, connection pillars 115b of an alignment reference part 115 are coupled to substrate holes 114, one or more light-emitting elements 111a and one or more light-receiving elements 111b are aligned in a row in a particular interval with respect to alignment holes 115a arranged opposite each other in the alignment reference part 115, a lens-optical fiber connection part 120 is aligned with respect to the alignment holes 115a, and an optical fiber 133 is aligned with the optical alignment point at a surface 122b of a prism forming a portion of the lens-optical fiber connection part 120.Type: GrantFiled: September 19, 2011Date of Patent: August 11, 2015Assignee: Unive Co., Ltd.Inventors: Yung Sung Son, Sang-Shin Lee, Hak-Soon Lee, Jun-Young Park
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Patent number: 8714838Abstract: A subassembly for passive optical alignment includes a substrate, an alignment device on the substrate having a plurality of alignment holes, and an optical element aligned on the substrate with the alignment holes. A first lens device including a first lens on the alignment device aligns the first lens with the optical element to collimate light emitted from the optical element. A second lens device including a second lens collects the light from the first lens. A receptacle has a ferrule alignment hole penetrating the receptacle. A side of the receptacle is assembled on the second lens device to align the ferrule alignment hole with the second lens. The receptacle is assembled on the alignment device to align the second lens with the first lens. The ferrule alignment hole extends to a connector insertion hole formed on an opposite side of the receptacle that secures an external optical connector.Type: GrantFiled: June 15, 2012Date of Patent: May 6, 2014Assignee: Unive Co., Ltd.Inventors: Yung Sung Son, Sang-Shin Lee, Hak-Soon Lee, Gyosun Hwang
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Publication number: 20130336619Abstract: A subassembly for passive optical alignment includes a substrate, an alignment device on the substrate having a plurality of alignment holes, and an optical element aligned on the substrate with the alignment holes. A first lens device including a first lens on the alignment device aligns the first lens with the optical element to collimate light emitted from the optical element. A second lens device including a second lens collects the light from the first lens. A receptacle has a ferrule alignment hole penetrating the receptacle. A side of the receptacle is assembled on the second lens device to align the ferrule alignment hole with the second lens. The receptacle is assembled on the alignment device to align the second lens with the first lens. The ferrule alignment hole extends to a connector insertion hole formed on an opposite side of the receptacle that secures an external optical connector.Type: ApplicationFiled: June 15, 2012Publication date: December 19, 2013Applicant: UNIVE CO., LTD.Inventors: Yung Sung SON, Sang-Shin LEE, Hak-Soon LEE, Gyosun HWANG
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Publication number: 20130129281Abstract: An optical device for implementing passive alignment of parts and a method therefore, more particularly an optical device and a method therefore that utilize an alignment reference part 115 arranged on the substrate 110 to passively align an optical element part 111 with a lens-optical fiber connection part 120. For the passive alignment of parts, connection pillars 115b of an alignment reference part 115 are coupled to substrate holes 114, one or more light-emitting elements 111a and one or more light-receiving elements 111b are aligned in a row in a particular interval with respect to alignment holes 115a arranged opposite each other in the alignment reference part 115, a lens-optical fiber connection part 120 is aligned with respect to the alignment holes 115a, and an optical fiber 133 is aligned with the optical alignment point at a surface 122b of a prism forming a portion of the lens-optical fiber connection part 120.Type: ApplicationFiled: September 19, 2011Publication date: May 23, 2013Applicant: UNIVE CO., LTDInventors: Yung Sung Son, Sang-Shin Lee, Hak-Soon Lee, Jun-Young Park