Patents by Inventor Yiseul Um
Yiseul Um 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: 11930658Abstract: A display apparatus includes a substrate including a main display area and a component area. The component area includes an auxiliary display area and a transmission area. Main display elements are disposed in the main display area. Auxiliary display elements are disposed in the component area. A thin-film encapsulation layer covers the main display elements and the auxiliary display elements. An optical functional layer is disposed on the thin-film encapsulation layer and includes a polarization layer. The polarization layer includes a first portion disposed in the transmission area and a second portion disposed in the main display area and the auxiliary display area.Type: GrantFiled: May 26, 2021Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngki Chai, Seonggeun Won, Kwanhee Lee, Youngji Kim, Yiseul Um, Younghoon Lee, Youngseo Choi
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Patent number: 11903301Abstract: A method of manufacturing a display panel includes preparing a work substrate that includes a mother substrate that has a plurality of cell areas, a light emitting element layer formed in each of the cell areas, and an encapsulation layer formed on each cell area, disposing a plurality of protective films in the cell areas, respectively, that cover the light emitting element layer and the encapsulation layer, cutting the work substrate along cutting lines at an outer side of the protective films of each cell area to form a preliminary display panel, grinding side surfaces of the preliminary display panel, and removing the protective films from each ground preliminary display panel to form the display panel.Type: GrantFiled: November 18, 2021Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Younghoon Lee, Youngji Kim, Yiseul Um, Wonje Jo, Young Seo Choi, Dongwon Han
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Publication number: 20240040830Abstract: A display apparatus includes a first substrate, and a display member disposed on the first substrate. The first substrate includes a first-first portion overlapping the display member, and a first-second portion overlapping the display member and spaced apart from the first-first portion.Type: ApplicationFiled: April 14, 2023Publication date: February 1, 2024Applicant: Samsung Display Co., Ltd.Inventors: Daesang Yun, Wanjung Kim, Hyoyoung Mun, Yongseung Park, Yiseul Um, Soyoung Lee, Younghoon Lee
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Patent number: 11844264Abstract: Systems and methods are described for a display panel and a method of manufacturing the display panel. The systems and methods may provide for a substrate having a first surface and a second surface that face each other, a display unit including an organic light-emitting device arranged on the first surface of the substrate; and a thin-film encapsulation layer arranged on the display unit to shield the display unit, wherein an edge of the first surface or an edge of the second surface are inclined with respect to the first surface or the second surface. The inclined surfaces are designed to prevent damage to the display due to fine cracks during the manufacturing process as the display panel is trimmed or cut from a single base member. A display panel having improved strength characteristics may be manufactured, as well.Type: GrantFiled: October 5, 2022Date of Patent: December 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonje Jo, Youngji Kim, Yiseul Um, Younghoon Lee, Jiwon Jung, Youngseo Choi, Dongwon Han
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DISPLAY DEVICE, ELECTRONIC DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE DISPLAY DEVICE
Publication number: 20230371346Abstract: A display device includes: a substrate; a display unit on the substrate; and an encapsulation member on the display unit, wherein the substrate comprises: a first inclined surface inclined with respect to a first surface of the substrate; and a first side surface connected to the first inclined surface and arranged at a predetermined angle from the first inclined surface, wherein a surface roughness of the first side surface is different from a surface roughness of the first inclined surface.Type: ApplicationFiled: May 15, 2023Publication date: November 16, 2023Inventors: Daesang Yun, Wanjung Kim, Kyungah Nam, Hyoyoung Mun, Yongseung Park, Yiseul Um, Soyoung Lee, Younghoon Lee -
Publication number: 20230333299Abstract: An electronic device includes a display panel that has a first area and a second area; a polarizer including a polarizer layer that has a polarization area and a transmission area, a protection layer disposed under the polarizer layer, and a plurality of retarders disposed under the protection layer for retarding a phase of light incident thereon.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Inventors: YOUNGKI CHAI, Seonggeun WON, Kwanhee LEE, Youngji KIM, Yiseul UM, Younghoon LEE, Young Seo CHOI
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Patent number: 11740499Abstract: A display device includes: a display module including a first area and a second area at least partially surrounding the first area in a plan view; an external member disposed on the display module; and an adhesive layer configured to couple the display module to the external member, wherein a coupling strength between the second area and the adhesive layer is greater than a coupling strength between the first area and the adhesive layer.Type: GrantFiled: November 4, 2021Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiwon Jung, Youngji Kim, Yiseul Um, Younghoon Lee, Wonje Jo
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Patent number: 11719872Abstract: According to one aspect of the invention, a method of manufacturing an electronic device includes the steps of: providing a display panel; providing a polarizer including a polarizer layer at an outermost layer thereof on the display panel; irradiating a laser beam onto a portion of the polarizer layer; and providing a substantially neutral solution having a temperature from about 5° C. to about 40° C. onto the portion of the polarizer layer irradiated with the laser beam.Type: GrantFiled: January 25, 2021Date of Patent: August 8, 2023Assignee: Samsung Display Co., Ltd.Inventors: Youngki Chai, Seonggeun Won, Kwanhee Lee, Youngji Kim, Yiseul Um, Younghoon Lee, Young Seo Choi
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Publication number: 20230121948Abstract: A display device includes a first glass substrate including a first side surface which is partially inclined, a second glass substrate including a second side surface which is partially inclined, the second glass substrate being apart from the first glass substrate, a display layer including a first area on the first glass substrate, a light-emitting device in the first area, a bending area extending from the first area, and a second area extending from the bending area and on the second glass substrate, and an encapsulation layer on the display layer, the encapsulation layer including an inorganic encapsulation layer and an organic encapsulation layer. Each of the first side surface and the second side surface is adjacent to the bending area.Type: ApplicationFiled: August 29, 2022Publication date: April 20, 2023Inventors: Younghoon Lee, Daesang Yun, Wanjung Kim, Yiseul Um, Hyoyoung Mun, Soyoung Lee
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Patent number: 11616217Abstract: A method of manufacturing a display panel includes forming a unit panel which includes a display unit provided on a substrate. The substrate of the unit panel is cut out in a form of a closed loop having a straight line portion and a curve portion that are connected to each other. The cutting out of the substrate of the unit panel includes cutting the straight line portion by a first cutting process using a first tool and cutting the curve portion by a second cutting process using a second tool that is different from the first tool.Type: GrantFiled: December 18, 2019Date of Patent: March 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonje Jo, Youngji Kim, Yiseul Um, Younghoon Lee, Youngseo Choi, Dongwon Han
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Publication number: 20230024760Abstract: Systems and methods are described for a display panel and a method of manufacturing the display panel. The systems and methods may provide for a substrate having a first surface and a second surface that face each other, a display unit including an organic light-emitting device arranged on the first surface of the substrate; and a thin-film encapsulation layer arranged on the display unit to shield the display unit, wherein an edge of the first surface or an edge of the second surface are inclined with respect to the first surface or the second surface. The inclined surfaces are designed to prevent damage to the display due to fine cracks during the manufacturing process as the display panel is trimmed or cut from a single base member. A display panel having improved strength characteristics may be manufactured, as well.Type: ApplicationFiled: October 5, 2022Publication date: January 26, 2023Inventors: WONJE JO, YOUNGJI KIM, YISEUL UM, YOUNGHOON LEE, JIWON JUNG, YOUNGSEO CHOI, DONGWON HAN
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Patent number: 11495771Abstract: Systems and methods are described for a display panel and a method of manufacturing the display panel. The systems and methods may provide for a substrate having a first surface and a second surface that face each other, a display unit including an organic light-emitting device arranged on the first surface of the substrate; and a thin-film encapsulation layer arranged on the display unit to shield the display unit, wherein an edge of the first surface or an edge of the second surface are inclined with respect to the first surface or the second surface. The inclined surfaces are designed to prevent damage to the display due to fine cracks during the manufacturing process as the display panel is trimmed or cut from a single base member. A display panel having improved strength characteristics may be manufactured, as well.Type: GrantFiled: January 8, 2020Date of Patent: November 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonje Jo, Youngji Kim, Yiseul Um, Younghoon Lee, Jiwon Jung, Youngseo Choi, Dongwon Han
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Publication number: 20220085326Abstract: A display apparatus includes a substrate including a main display area and a component area. The component area includes an auxiliary display area and a transmission area. Main display elements are disposed in the main display area. Auxiliary display elements are disposed in the component area. A thin-film encapsulation layer covers the main display elements and the auxiliary display elements. An optical functional layer is disposed on the thin-film encapsulation layer and includes a polarization layer. The polarization layer includes a first portion disposed in the transmission area and a second portion disposed in the main display area and the auxiliary display area.Type: ApplicationFiled: May 26, 2021Publication date: March 17, 2022Inventors: Youngki CHAI, Seonggeun WON, Kwanhee LEE, Youngji KIM, Yiseul UM, Younghoon LEE, Youngseo CHOI
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Publication number: 20220077437Abstract: A method of manufacturing a display panel includes preparing a work substrate that includes a mother substrate that has a plurality of cell areas, a light emitting element layer formed in each of the cell areas, and an encapsulation layer formed on each cell area, disposing a plurality of protective films in the cell areas, respectively, that cover the light emitting element layer and the encapsulation layer, cutting the work substrate along cutting lines at an outer side of the protective films of each cell area to form a preliminary display panel, grinding side surfaces of the preliminary display panel, and removing the protective films from each ground preliminary display panel to form the display panel.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: YOUNGHOON LEE, Youngji Kim, Yiseul Um, Wonje Jo, Young Seo Choi, Dongwon Han
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Publication number: 20220057665Abstract: A display device includes: a display module including a first area and a second area at least partially surrounding the first area in a plan view; an external member disposed on the display module; and an adhesive layer configured to couple the display module to the external member, wherein a coupling strength between the second area and the adhesive layer is greater than a coupling strength between the first area and the adhesive layer.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Inventors: JIWON JUNG, YOUNGJI KIM, Yiseul UM, Younghoon LEE, Wonje JO
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Patent number: 11205769Abstract: A method of manufacturing a display panel includes preparing a work substrate that includes a mother substrate that has a plurality of cell areas, a light emitting element layer formed in each of the cell areas, and an encapsulation layer formed on each cell area, disposing a plurality of protective films in the cell areas, respectively, that cover the light emitting element layer and the encapsulation layer, cutting the work substrate along cutting lines at an outer side of the protective films of each cell area to form a preliminary display panel, grinding side surfaces of the preliminary display panel, and removing the protective films from each ground preliminary display panel to form the display panel.Type: GrantFiled: April 22, 2020Date of Patent: December 21, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Younghoon Lee, Youngji Kim, Yiseul Um, Wonje Jo, Young Seo Choi, Dongwon Han
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Patent number: 11201317Abstract: A method of peeling a mother protective film from a mother display panel includes: laminating the mother protective film on the mother display panel, the mother display panel comprising a plurality of display cells each including a display area and a peripheral area in an outer portion of the display cells; forming a target area and a dummy area on the mother protective film by forming a cutting line having a closed loop shape enclosing the target area corresponding to the display cells and an additional cutting line in a first direction near the cutting line; arranging a fixing member on the mother protective film within the target area enclosed by the cutting line; and physically peeling off the dummy area from the mother display panel.Type: GrantFiled: October 1, 2019Date of Patent: December 14, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jiwon Jung, Youngji Kim, Yiseul Um, Younghoon Lee
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Patent number: 11199737Abstract: A display device includes: a display module including a first area and a second area at least partially surrounding the first area in a plan view; an external member disposed on the display module; and an adhesive layer configured to couple the display module to the external member, wherein a coupling strength between the second area and the adhesive layer is greater than a coupling strength between the first area and the adhesive layer.Type: GrantFiled: February 13, 2020Date of Patent: December 14, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiwon Jung, Youngji Kim, Yiseul Um, Younghoon Lee, Wonje Jo
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Publication number: 20210311241Abstract: According to one aspect of the invention, a method of manufacturing an electronic device includes the steps of: providing a display panel; providing a polarizer including a polarizer layer at an outermost layer thereof on the display panel; irradiating a laser beam onto a portion of the polarizer layer; and providing a substantially neutral solution having a temperature from about 5° C. to about 40° C. onto the portion of the polarizer layer irradiated with the laser beam.Type: ApplicationFiled: January 25, 2021Publication date: October 7, 2021Inventors: YOUNGKI CHAI, SEONGGEUN WON, KWANHEE LEE, YOUNGJI KIM, YISEUL UM, YOUNGHOON LEE, YOUNG SEO CHOI
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Patent number: 11101454Abstract: A method of peeling a mother protective film from a mother display panel includes: laminating the mother display panel and the mother protective film, the mother display panel including a plurality of display cells each including a display area and a peripheral area around the plurality of display cell; forming a target area and a dummy area in the mother protective film by forming a cutting line in a closed loop shape enclosing the target area corresponding to each of the display cells and a first additional cutting line in a first direction near the cutting line; physically peeling off the dummy area from the mother display panel, including: primarily peeling off a portion of the mother protective film adjacent to the first additional cutting line; and secondarily peeling off rest of the mother protective film from the mother display panel along the cutting line.Type: GrantFiled: October 1, 2019Date of Patent: August 24, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jiwon Jung, Youngji Kim, Yiseul Um, Younghoon Lee, Youngseo Choi