Patents by Inventor Jae-Beom Choi
Jae-Beom 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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Patent number: 12167629Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: GrantFiled: July 19, 2023Date of Patent: December 10, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Ryuk Park, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
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Publication number: 20240331608Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: ApplicationFiled: June 3, 2024Publication date: October 3, 2024Inventors: Kang Nam KIM, Sung Hoon LIM, Woo Geun LEE, Kyu Sik CHO, Jae Beom CHOI
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Patent number: 12002404Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: GrantFiled: April 10, 2023Date of Patent: June 4, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kang Nam Kim, Sung Hoon Lim, Woo Geun Lee, Kyu Sik Cho, Jae Beom Choi
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Publication number: 20230363198Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Inventors: JONG-RYUK PARK, KEUN SOO LEE, SUN YOUL LEE, YUN-MO CHUNG, JAE BEOM CHOI
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Patent number: 11751424Abstract: A display device includes a substrate; a display area and a non-display area on the substrate, where a plurality of pixels is disposed in the display area, and where the non-display area is in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: GrantFiled: April 28, 2021Date of Patent: September 5, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Ryuk Park, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
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Publication number: 20230245612Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: ApplicationFiled: April 10, 2023Publication date: August 3, 2023Inventors: Kang Nam KIM, Sung Hoon LIM, Woo Geun LEE, Kyu Sik CHO, Jae Beom CHOI
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Patent number: 11683966Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.Type: GrantFiled: December 28, 2020Date of Patent: June 20, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Guang-Hai Jin, Jae-Beom Choi, Se-Hun Park, Jae-Seol Cho
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Patent number: 11626060Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: GrantFiled: September 17, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Kang Nam Kim, Sung Hoon Lim, Woo Geun Lee, Kyu Sik Cho, Jae Beom Choi
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Publication number: 20220199742Abstract: A display device includes a semiconductor layer of a driving transistor; a semiconductor layer of a switching transistor; a semiconductor layer of an initialization transistor; a gate electrode of the driving transistor overlapping a semiconductor layer of the driving transistor; a lower storage electrode connected to the semiconductor layer of the switching transistor; an upper storage electrode connected to the semiconductor layer of the driving transistor, a light blocking pattern, and the semiconductor layer of the initialization transistor, and overlapping the lower storage electrode; a semiconductor layer of a first auxiliary transistor adjacent the semiconductor layer of the switching transistor and/or the semiconductor layer of the initialization transistor; a first electrode of the first auxiliary transistor connected to the semiconductor layer of the first auxiliary transistor; and a second electrode of the first auxiliary transistor connected to the semiconductor layer of the first auxiliary transiType: ApplicationFiled: August 20, 2021Publication date: June 23, 2022Applicant: Samsung Display Co., LTD.Inventors: Young Jae JEON, Woo Geun LEE, Jae Beom CHOI, Jong-In KIM, Jin-Won LEE
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Publication number: 20220005402Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: ApplicationFiled: September 17, 2021Publication date: January 6, 2022Inventors: Kang Nam KIM, Sung Hoon LIM, Woo Geun LEE, Kyu Sik CHO, Jae Beom CHOI
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Patent number: 11127339Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: GrantFiled: May 15, 2020Date of Patent: September 21, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kang Nam Kim, Sung Hoon Lim, Woo Geun Lee, Kyu Sik Cho, Jae Beom Choi
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Publication number: 20210249630Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: ApplicationFiled: April 28, 2021Publication date: August 12, 2021Inventors: JONG-RYUK PARK, KEUN SOO LEE, SUN YOUL LEE, YUN-MO CHUNG, JAE BEOM CHOI
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Patent number: 11024829Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: GrantFiled: June 24, 2019Date of Patent: June 1, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Ryuk Park, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
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Publication number: 20210118975Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.Type: ApplicationFiled: December 28, 2020Publication date: April 22, 2021Applicant: Samsung Display Co., Ltd.Inventors: Guang-Hai JIN, Jae-Beom CHOI, Se-Hun PARK, Jae-Seol CHO
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Patent number: 10957754Abstract: A display device includes a display panel including a flexible region and a low flexibility region, wherein the flexible region may include a first transistor including a first semiconductor layer and a first gate electrode, a first conductor connected to the first semiconductor layer, and a first interlayer insulating layer between the first transistor and the first conductor. The low flexibility region may include a second transistor including a second semiconductor layer and a second gate electrode, a second conductor connected to the second semiconductor layer, and a second interlayer insulating layer between the second transistor and the second conductor. The first interlayer insulating layer may include an organic insulating material, the second interlayer insulating layer includes an inorganic insulating material, and a ratio of channel width to channel length of the first transistor may be different from that of the second transistor.Type: GrantFiled: February 24, 2017Date of Patent: March 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: June Woo Lee, Shin Moon Kang, Byoung Ki Kim, Hee Kyung Kim, Hyun Chui Son, Yun-Mo Chung, Jae Beom Choi
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Patent number: 10879336Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.Type: GrantFiled: February 27, 2019Date of Patent: December 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Guang-Hai Jin, Jae-Beom Choi, Se-Hun Park, Jae-Seol Cho
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Publication number: 20200372851Abstract: A scan driver includes a plurality of stages. An nth (n is a natural number) stage among the stages includes: a first and a second input circuit for controlling a voltage of a first node in response to a carry signal of a previous stage and a next stage, respectively; a first output circuit for outputting an nth carry signal corresponding to a carry clock signal in response to the voltage of the first node; a second output circuit for outputting an nth scan and an nth sensing signal corresponding to a scan and a sensing clock signal, respectively, in response to the voltage of the first node; and a sampling circuit for storing the carry signal of the previous stage in response to a first select signal, and for supplying a control voltage to the first node in response to a second select signal and the stored carry signal.Type: ApplicationFiled: May 15, 2020Publication date: November 26, 2020Inventors: Kang Nam KIM, Sung Hoon LIM, Woo Geun LEE, Kyu Sik CHO, Jae Beom CHOI
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Publication number: 20190319216Abstract: A display device includes a substrate including a display area in which a plurality of pixels is disposed, and a non-display area in a peripheral area of the display area; an insulating layer disposed on the substrate; a metal wiring disposed on the substrate; and a plurality of dummy patterns disposed in the non-display area of the substrate. The plurality of dummy patterns includes a plurality of first patterns including an insulating material and a plurality of second patterns including a metal material.Type: ApplicationFiled: June 24, 2019Publication date: October 17, 2019Inventors: JONG-RYUK PARK, Keun Soo Lee, Sun Youl Lee, Yun-Mo Chung, Jae Beom Choi
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Publication number: 20190198601Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.Type: ApplicationFiled: February 27, 2019Publication date: June 27, 2019Inventors: Guang-Hai JIN, Jae-Beom CHOI, Se-Hun PARK, Jae-Seol CHO
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Patent number: D933654Type: GrantFiled: April 10, 2018Date of Patent: October 19, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yung Bin Chung, Kee Hyun Nam, Jun-Sang Lyu, Eui Ri Cho, Kyung Hyun Ko, Jun Il Kwon, Sung-Hee Lee, Woo-Jong Lee, Hyun Joo Lee, Ho Jung Lee, Jae Beom Choi