Patents by Inventor Seok-Je Seong
Seok-Je Seong 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: 11600678Abstract: An organic light-emitting display device comprises a first thin-film transistor disposed on a substrate; and a second thin-film transistor disposed on the substrate and spaced apart from the first thin-film transistor. The first thin-film transistor comprises a first semiconductor layer, a first conductive layer disposed on the first semiconductor layer and that overlaps the first semiconductor layer, and a first insulating layer disposed between the first semiconductor layer and the first conductive layer. The second thin-film transistor comprises a second semiconductor layer, and a second conductive layer disposed on the second semiconductor layer and that overlaps the second semiconductor layer.Type: GrantFiled: May 4, 2021Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woo Ho Jeong, Se Myung Kwon, Yoon Ho Kim, Seok Je Seong, Joon Hoo Choi
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Patent number: 11594558Abstract: A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line.Type: GrantFiled: January 8, 2021Date of Patent: February 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Ji Seon Lee
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Patent number: 11580916Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.Type: GrantFiled: February 25, 2022Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Seon Lee, Jin Sung An, Seok Je Seong, Seong Jun Lee, Se Wan Son
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Publication number: 20230012771Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.Type: ApplicationFiled: September 26, 2022Publication date: January 19, 2023Inventors: Jin Sung AN, Seok Je SEONG, Ji Seon LEE, Se Wan SON
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Publication number: 20230011885Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.Type: ApplicationFiled: September 19, 2022Publication date: January 12, 2023Inventors: Kyunghyun BAEK, Seok Je SEONG, Hyeonsik KIM, Yoonjee SHIN, Jae Hyun LEE, Woo Ho JEONG, Yoon-Jong CHO
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Patent number: 11538882Abstract: A display device includes a polycrystalline semiconductor including a channel and electrodes of a driving transistor; a gate electrode of the driving transistor on the channel of the driving transistor; a first storage electrode on the gate electrode of the driving transistor; a light blocking layer of a first transistor and a light blocking layer of a second transistor; an oxide semiconductor including a channel and electrodes of the first transistor, and a channel and electrodes of the second transistor; a gate electrode of the first transistor on the channel of the first transistor; and a gate electrode of the second transistor on the channel of the second transistor. The light blocking layer of the first transistor and the first storage electrode are on a same layer, and the light blocking layer of the second transistor and the gate electrode of the driving transistor are on a same layer.Type: GrantFiled: August 19, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yoon-Jong Cho, Seok Je Seong, Seong Jun Lee
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Patent number: 11455943Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.Type: GrantFiled: March 1, 2021Date of Patent: September 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Seok Je Seong, Ji Seon Lee, Se Wan Son
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Patent number: 11450725Abstract: A display panel includes two or more gate layers including a plurality of gate patterns extending in a first direction and one or more source-drain layers including a plurality of source-drain patterns extending in a second direction crossing the first direction. The gate patterns of the two or more gate layers are curved or bent along a hole surrounding area corresponding to a periphery of a hole in an active area. The source-drain patterns of the one or more source-drain layers are curved or bent along the hole surrounding area. The gate patterns of at least one of the two or more gate layers overlap the source-drain patterns of at least one of the one or more source-drain layers in a thickness direction of the display panel in the hole surrounding area.Type: GrantFiled: April 9, 2020Date of Patent: September 20, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kyunghyun Baek, Seok Je Seong, Hyeonsik Kim, Yoonjee Shin, Jae Hyun Lee, Woo Ho Jeong, Yoon-Jong Cho
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Publication number: 20220246710Abstract: An embodiment provides a light emitting display device, including a display panel including a display area, wherein the display area of the display panel includes: a transparent display area; an intermediate display area that is disposed at one side or both sides of the transparent display area along a first direction and includes a pixel circuit part for a transparent display area; and a normal display area, and wherein the transparent display area includes: a first anode; and a transmission transistor that transmits an emission current outputted from the pixel circuit part for the transparent display area to the first anode.Type: ApplicationFiled: August 23, 2021Publication date: August 4, 2022Inventors: Min Woo WOO, Sung Ho KIM, Seok Je SEONG, Jin Sung AN, Wang Woo LEE, Ji Seon LEE
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Publication number: 20220199750Abstract: A display device having a display area including a plurality of pixels arranged along a first direction and a second direction, and a non-display area located around the display area, the non-display area including a first peripheral area surrounding the display area, a second peripheral area located at a lower side of the first peripheral area, and a bending area located between the first and second peripheral areas, the display device comprises a base substrate; a multiplexer circuit unit in the second peripheral area on the base substrate, the multiplexer circuit unit being spaced apart from the display area with the bending area interposed therebetween; spider lines connected to the multiplexer circuit unit and the plurality of pixels; data lines connected to the pixel disposed in the display area on the base substrate and extending along the second direction; and connection lines connecting the data line to the spider line.Type: ApplicationFiled: December 22, 2021Publication date: June 23, 2022Inventors: Seung Hwan Cho, Won Suk Choi, Ji Ryun Park, Seok Je Seong, Hyeon Woo Shin, Ji Seon Lee
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Publication number: 20220190165Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.Type: ApplicationFiled: March 3, 2022Publication date: June 16, 2022Applicant: Samsung Display Co., LTD.Inventors: Yun Sik JOO, Seok Je SEONG, Kyung Hyun BAEK, Hyeon Woo SHIN
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Publication number: 20220180820Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Inventors: Ji Seon LEE, Jin Sung AN, Seok Je SEONG, Seong Jun LEE, Se Wan SON
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Patent number: 11353974Abstract: A display device includes a first substrate, a second substrate, a transistor, a display element, a first touch electrode, a second touch electrode, a spacer, and a light reflector. The second substrate overlaps the first substrate. The transistor is positioned between the first substrate and the second substrate. The display element is electrically connected to the transistor. The first touch electrode contacts the second substrate. The second touch electrode contacts the second substrate and is insulated from the first touch electrode. The spacer overlaps the first touch electrode and is positioned between the first touch electrode and the first substrate. The light reflector overlaps the second touch electrode, is positioned between the second touch electrode and the first substrate, and is spaced from the spacer. A distance between the light reflector and the second touch electrode is greater than a distance between the spacer and the first touch electrode.Type: GrantFiled: April 24, 2020Date of Patent: June 7, 2022Inventor: Seok Je Seong
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Patent number: 11302268Abstract: A display device includes a substrate, a first active pattern, a first gate electrode, a second active pattern, a second gate electrode, a first connecting pattern, and a second connecting pattern. The first connecting pattern is disposed on the second active pattern and is electrically connected to the first gate electrode, and the second connecting pattern is disposed on the first connecting pattern and is electrically connected to the first connecting pattern and the second active pattern.Type: GrantFiled: March 5, 2021Date of Patent: April 12, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Seon Lee, Jin Sung An, Seok Je Seong, Seong Jun Lee, Se Wan Son
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Patent number: 11296234Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.Type: GrantFiled: October 14, 2020Date of Patent: April 5, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yun Sik Joo, Seok Je Seong, Kyung Hyun Baek, Hyeon Woo Shin
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Publication number: 20220059025Abstract: A display device includes: a pixel unit including pixels connected to first scan lines, second scan lines, and data lines; a scan driver for supplying a first scan signal to the pixels through the first scan lines at a first frequency and supplying a second scan signal to the pixels through the second scan lines at a second frequency different from the first frequency in a first mode; a first signal supply for supplying an inspection signal to the pixels through at least one of the data lines in response to the first scan signal in a first period of the first mode; and a second signal for supply supplying a bias signal to the pixels through the data lines in response to the first scan signal in a second period of the first mode.Type: ApplicationFiled: November 8, 2021Publication date: February 24, 2022Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Jae Hyun Lee, Yoon Jong Cho
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Patent number: 11170704Abstract: A display device includes: a pixel unit including pixels connected to first scan lines, second scan lines, and data lines; a scan driver for supplying a first scan signal to the pixels through the first scan lines at a first frequency and supplying a second scan signal to the pixels through the second scan lines at a second frequency different from the first frequency in a first mode; a first signal supply for supplying an inspection signal to the pixels through at least one of the data lines in response to the first scan signal in a first period of the first mode; and a second signal for supply supplying a bias signal to the pixels through the data lines in response to the first scan signal in a second period of the first mode.Type: GrantFiled: September 18, 2020Date of Patent: November 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Seok Je Seong, Seong Jun Lee, Jae Hyun Lee, Yoon Jong Cho
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Publication number: 20210296502Abstract: A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line. An entirety of the upper gate signal line overlaps a part of the lower gate signal line in an overlapping area in which the lower gate signal line or the upper gate signal line overlaps the first connection pattern.Type: ApplicationFiled: October 14, 2020Publication date: September 23, 2021Applicant: Samsung Display Co., LTD.Inventors: Yun Sik JOO, Seok Je SEONG, Kyung Hyun BAEK, Hyeon Woo SHIN
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Publication number: 20210280609Abstract: A display device includes a first active pattern, a first conductive pattern including a gate electrode overlapping the first active pattern, a first gate line overlapping the first active pattern and extending in a first direction, and a second gate line extending in the first direction, a second conductive pattern disposed on the first conductive pattern and including a third gate line extending in the first direction and a fourth gate line extending in the first direction, a second active pattern disposed on the second conductive pattern and including a material different from a material of the first active pattern, and a third conductive pattern disposed on the second active pattern and including a first upper electrode overlapping the third gate line and connected to the third gate line, and a second upper electrode overlapping the fourth gate line and connected to the fourth gate line.Type: ApplicationFiled: January 8, 2021Publication date: September 9, 2021Inventors: Jin Sung AN, Seok Je SEONG, Seong Jun LEE, Ji Seon LEE
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Publication number: 20210280127Abstract: A display device includes a substrate, a polycrystalline semiconductor layer including a channel of a driving transistor, and a channel of a seventh transistor, a gate electrode of the driving transistor overlapping the channel thereof, a gate electrode of the seventh transistor overlapping the channel thereof, an oxide semiconductor layer including a channel of a fourth transistor, a gate electrode thereof overlapping the channel of the fourth transistor, a first initialization voltage line connected to a first electrode of the fourth transistor, the first initialization voltage line and the gate electrode of the fourth transistor being position on a same layer, and a second initialization voltage line connected to a second electrode of the seventh transistor, the second initialization voltage line and the first initialization voltage line being positioned on different layers from each other.Type: ApplicationFiled: March 1, 2021Publication date: September 9, 2021Inventors: JIN SUNG AN, Seok Je SEONG, Ji Seon LEE, Se Wan SON