Patents by Inventor Taehyeok Choi
Taehyeok Choi 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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Publication number: 20230273429Abstract: A head-up display device according to an embodiment of the present invention may comprises: an imaging device for emitting light to generate at least one virtual image; a first mirror unit reflecting the light of the imaging device; and a second mirror unit reflecting the light reflected from the first mirror unit to a windshield. The second mirror unit may comprise: a mirror assembly including a concave mirror having a reflective surface to reflect the light reflected from the first mirror unit to the windshield, and a plate coupled to an opposite surface of the reflective surface with respect to the concave mirror; and a tilt mechanism arranged opposite the concave mirror with respect to the plate and connected to the plate to tilt the plate and the concave mirror.Type: ApplicationFiled: July 31, 2020Publication date: August 31, 2023Applicant: LG ELECTRONICS INC.Inventors: Seungyul CHOI, Juhyeok RYU, Jaehyuk LIM, Taehyeok CHOI
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Patent number: 11631831Abstract: A display device includes a transmission area in a display area and includes a groove in a non-display area surrounding the transmission area and may minimize the occurrence of defective pixels because a groove forming process includes a process of forming a protection layer covering an emission area before formation of a mask layer and a process of removing the protection layer after removal of the mask layer.Type: GrantFiled: October 1, 2020Date of Patent: April 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Taehyeok Choi
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Patent number: 11387430Abstract: An organic light emitting display device includes a display panel and an optical module. The display panel includes a substrate, a light emitting structure, and a first wall structure. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region, where a first groove defined in the peripheral region and an opening is defined in the opening region. The light emitting structure is disposed in the display region on the substrate. The first wall structure is disposed within the first groove of the substrate. The optical module is disposed in the opening.Type: GrantFiled: October 28, 2019Date of Patent: July 12, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: SangJin Park, Inkyung Yoo, Sung Bae Ju, Taehyeok Choi, Mijung Han
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Patent number: 11361581Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.Type: GrantFiled: August 21, 2020Date of Patent: June 14, 2022Assignee: Samsung Display Co., Ltd.Inventors: SangJin Park, Cha-Dong Kim, Heena Kim, Inkyung Yoo, SungBae Ju, Taehyeok Choi
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Publication number: 20220077247Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Inventors: Young Seok BAEK, Heena KIM, Sang Jin PARK, Taehyeok CHOI, Mijung HAN
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Patent number: 11217634Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: GrantFiled: December 10, 2019Date of Patent: January 4, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Seok Baek, Heena Kim, Sang Jin Park, Taehyeok Choi, Mijung Han
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Patent number: 11133483Abstract: An organic light emitting display panel includes an organic light emitting element, an encapsulation layer sealing the organic light emitting element, a power electrode providing a power voltage to the organic light emitting element, and a partial wall preventing an organic material from flowing while the encapsulation layer is formed. The partition wall includes a base dam covering one side of the power electrode, a first dam covering one side of the base dam, a second dam covering the other side of the base dam, a third dam covering one side of the first dam, and a fourth dam covering one side of the second dam.Type: GrantFiled: October 1, 2019Date of Patent: September 28, 2021Assignee: Samsung Display Co., Ltd.Inventors: Heena Kim, Sangjin Park, Youngseok Baek, Taehyeok Choi, Mijung Han
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Publication number: 20210210725Abstract: A display device includes a transmission area in a display area and includes a groove in a non-display area surrounding the transmission area and may minimize the occurrence of defective pixels because a groove forming process includes a process of forming a protection layer covering an emission area before formation of a mask layer and a process of removing the protection layer after removal of the mask layer.Type: ApplicationFiled: October 1, 2020Publication date: July 8, 2021Inventor: Taehyeok CHOI
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Publication number: 20210150177Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.Type: ApplicationFiled: August 21, 2020Publication date: May 20, 2021Inventors: SangJin PARK, Cha-Dong KIM, Heena KIM, Inkyung YOO, SungBae JU, Taehyeok CHOI
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Publication number: 20200212139Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: ApplicationFiled: December 10, 2019Publication date: July 2, 2020Inventors: Young Seok BAEK, Heena KIM, Sang Jin PARK, Taehyeok CHOI, Mijung HAN
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Patent number: 10664083Abstract: A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.Type: GrantFiled: November 7, 2018Date of Patent: May 26, 2020Assignee: Samsung Display Co., Ltd.Inventors: Yonghwan Ryu, Youngdae Kim, Heena Kim, Sangjin Park, Taehyeok Choi, Euikang Heo
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Publication number: 20200144539Abstract: An organic light emitting display device includes a display panel and an optical module. The display panel includes a substrate, a light emitting structure, and a first wall structure. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region, where a first groove defined in the peripheral region and an opening is defined in the opening region. The light emitting structure is disposed in the display region on the substrate. The first wall structure is disposed within the first groove of the substrate. The optical module is disposed in the opening.Type: ApplicationFiled: October 28, 2019Publication date: May 7, 2020Inventors: SangJin PARK, Inkyung YOO, Sung Bae JU, Taehyeok CHOI, Mijung HAN
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Publication number: 20200111987Abstract: An organic light emitting display panel includes an organic light emitting element, an encapsulation layer sealing the organic light emitting element, a power electrode providing a power voltage to the organic light emitting element, and a partial wall preventing an organic material from flowing while the encapsulation layer is formed. The partition wall includes a base dam covering one side of the power electrode, a first dam covering one side of the base dam, a second dam covering the other side of the base dam, a third dam covering one side of the first dam, and a fourth dam covering one side of the second dam.Type: ApplicationFiled: October 1, 2019Publication date: April 9, 2020Inventors: Heena KIM, Sangjin PARK, Youngseok BAEK, Taehyeok CHOI, Mijung HAN
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Publication number: 20190171318Abstract: A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.Type: ApplicationFiled: November 7, 2018Publication date: June 6, 2019Inventors: Yonghwan RYU, Youngdae KIM, Heena KIM, Sangjin PARK, Taehyeok CHOI, Euikang HEO
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Publication number: 20190035870Abstract: A substrate for a display apparatus includes a substrate, and a capacitor on a first surface of the substrate. The capacitor includes a first electrode, a second electrode facing the first electrode, and a dielectric layer between the first electrode and the second electrode. Here, the substrate has a first hole penetrating through the substrate in an area corresponding to a part of the first electrode of the capacitor, and a first conductive material is in the first hole.Type: ApplicationFiled: January 2, 2018Publication date: January 31, 2019Inventors: Sangjin Park, Youngdae Kim, Heena Kim, Yonghwan Ryu, Taehyeok Choi, Euikang Heo
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Patent number: 9761649Abstract: A thin film transistor (TFT) array substrate is disclosed. In one aspect, the substrate includes a buffer layer formed over a substrate, a storage capacitor formed in the buffer layer and including a first electrode and a second electrode surrounding and insulated from the first electrode and a driving TFT formed over the buffer layer.Type: GrantFiled: May 11, 2015Date of Patent: September 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sangjin Park, Myungho Kim, Sanghui Park, Keunchang Lee, Jaesung Cha, Taehyeok Choi
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Publication number: 20160111483Abstract: A thin film transistor (TFT) array substrate is disclosed. In one aspect, the substrate includes a buffer layer formed over a substrate, a storage capacitor formed in the buffer layer and including a first electrode and a second electrode surrounding and insulated from the first electrode and a driving TFT formed over the buffer layer.Type: ApplicationFiled: May 11, 2015Publication date: April 21, 2016Inventors: Sangjin Park, Myungho Kim, Sanghui Park, Keunchang Lee, Jaesung Cha, Taehyeok Choi