Patents by Inventor Moo-Soon Ko
Moo-Soon Ko 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: 20250072223Abstract: A display device includes: a substrate; a transistor on the substrate; an interlayer insulating layer on the transistor; a first electrode disposed on the interlayer insulating layer and connected to the transistor through a contact hole in the interlayer insulating layer; a pixel defining layer disposed on the interlayer insulating layer and the first electrode; a sacrificial layer disposed in a groove of the interlayer insulating layer; a gap fill layer disposed on the sacrificial layer, between a first sub-pixel defining layer and a second sub-pixel defining layer included in the pixel defining layer; a light emitting stack on the first electrode and the pixel defining layer; and a first trench formed between the first sub-pixel defining layer and the gap fill layer, between an inner wall of the groove and the gap fill layer, and between the inner wall of the groove and the sacrificial layer.Type: ApplicationFiled: May 8, 2024Publication date: February 27, 2025Inventors: Seung Bae KANG, Moo Soon KO, Sung Jun KIM, Seung Gyu TAE
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Publication number: 20240404895Abstract: A display device is disclosed. In one aspect, the display device includes a display area configured to display an image, a peripheral area neighboring the display area, and at least one test element group (TEG) including a test thin film transistor (TFT) formed in the peripheral area and a plurality of test pads electrically connected to the test TFT. The display device also includes first to third dummy circuits separated from the test TFT, each of the first to third dummy circuits including a plurality of first dummy semiconductor layers and a plurality of first dummy gate electrodes overlapping at least a portion of the first dummy semiconductor layers in the depth dimension of the display device.Type: ApplicationFiled: August 14, 2024Publication date: December 5, 2024Inventors: MOO SOON KO, JEONG-SOO LEE, JUNG HWA KIM
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Patent number: 12144234Abstract: A display device comprises a substrate including display and peripheral areas, a semiconductor element, a pixel structure, and a plurality of dummy patterns. The semiconductor element is disposed in the display area on the substrate, and the pixel structure is disposed on the semiconductor element. The dummy patterns which have stacked structure are disposed in the peripheral area on the substrate, and contain a material identical to a material constituting the semiconductor element. The dummy patterns are arranged in a grid shape in different layers, and each of the dummy patterns includes a central portion and an edge portion surrounding the central portion. The edge portions of dummy patterns which are adjacent to each other in the different layers among the dummy patterns are overlapped each other in a direction from the substrate to the pixel structure.Type: GrantFiled: September 30, 2022Date of Patent: November 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sewan Son, Moo Soon Ko, Ji Ryun Park, Jin Sung An, Min Woo Woo, Seong Jun Lee, Wang Woo Lee, Jeong-Soo Lee, Ji Seon Lee, Deuk Myung Ji
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Publication number: 20240365590Abstract: An organic light-emitting diode display is disclosed. In one aspect, a semiconductor layer is on a substrate, and the semiconductor layer is non-linear. A gate metal line is on the semiconductor layer, and an insulating layer covering the semiconductor layer and the gate metal line and having a plurality of contact holes connected to the semiconductor layer. A data metal line is on the insulating layer and electrically connected to the semiconductor layer via a selected one of the contact holes. An OLED is electrically connected to the gate metal line and the data metal line, and the semiconductor layer includes a narrow semiconductor layer having a first width and an expansion semiconductor layer formed adjacent to the selected contact hole and having a second width greater than the first width.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: Moo Soon KO, Jung Hwa KIM, Min Woo WOO, Wang Woo LEE
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Patent number: 12080611Abstract: A display device is disclosed. In one aspect, the display device includes a display area configured to display an image, a peripheral area neighboring the display area, and at least one test element group (TEG) including a test thin film transistor (TFT) formed in the peripheral area and a plurality of test pads electrically connected to the test TFT. The display device also includes first to third dummy circuits separated from the test TFT, each of the first to third dummy circuits including a plurality of first dummy semiconductor layers and a plurality of first dummy gate electrodes overlapping at least a portion of the first dummy semiconductor layers in the depth dimension of the display device.Type: GrantFiled: May 17, 2021Date of Patent: September 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Moo Soon Ko, Jeong-Soo Lee, Jung Hwa Kim
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Patent number: 12069897Abstract: An organic light-emitting diode display is disclosed. In one aspect, a semiconductor layer is on a substrate, and the semiconductor layer is non-linear. A gate metal line is on the semiconductor layer, and an insulating layer covering the semiconductor layer and the gate metal line and having a plurality of contact holes connected to the semiconductor layer. A data metal line is on the insulating layer and electrically connected to the semiconductor layer via a selected one of the contact holes. An OLED is electrically connected to the gate metal line and the data metal line, and the semiconductor layer includes a narrow semiconductor layer having a first width and an expansion semiconductor layer formed adjacent to the selected contact hole and having a second width greater than the first width.Type: GrantFiled: September 30, 2022Date of Patent: August 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Moo Soon Ko, Jung Hwa Kim, Min Woo Woo, Wang Woo Lee
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Publication number: 20240215309Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.Type: ApplicationFiled: March 6, 2024Publication date: June 27, 2024Inventors: Se Wan SON, Nak Cho CHOI, Moo Soon KO, Dong Hyun SON, Sang Hoon OH, Jin Goo JUNG, Kyung Hyun CHOI, Hae-Yeon LEE, Seong Min CHO
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Patent number: 11956997Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.Type: GrantFiled: August 23, 2021Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
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Patent number: 11956998Abstract: A display device includes: a first substrate including a pixel area and a transmissive area; a thin-film transistor on the first substrate; a planarization layer on the thin-film transistor; a first light emitting electrode on the planarization layer; a bank covering a part of the first light emitting electrode; a light emitting layer on the first light emitting electrode; and a second light emitting electrode on the light emitting layer and the bank. The transmissive area includes a transmissive hole penetrating the bank and the planarization layer.Type: GrantFiled: January 4, 2023Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Se Wan Son, Moo Soon Ko, Rae Young Gwak, Jin Seock Ma, Min Jeong Park, Ki Bok Yoo, So La Lee, Jin Goo Jung, Jong Won Chae, Ye Ji Han
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Publication number: 20240107840Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.Type: ApplicationFiled: December 1, 2023Publication date: March 28, 2024Applicant: Samsung Display Co., LTD.Inventors: Se Wan SON, Moo Soon KO, Kyung Hyun BAEK, Seok Je SEONG, Jae Hyun LEE, Jeong-Soo LEE, Ji Seon LEE, Yoon-Jong CHO
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Patent number: 11882741Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: GrantFiled: February 10, 2023Date of Patent: January 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Young Woo Park, Se Wan Son, Moo Soon Ko, Jeong-Soo Lee, Ji Seon Lee, Deuk Myung Ji
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Patent number: 11871624Abstract: A display device includes a first semiconductor layer disposed on a substrate; a first insulating layer disposed on the first semiconductor layer; a scan line disposed on the first insulating layer; a second insulating layer on the scan line; an inverted scan line on the second insulating layer; a third insulating layer disposed on the inverted scan line; a second semiconductor layer disposed on the third insulating layer; a fourth insulating layer disposed on the second semiconductor layer; an initializing voltage line disposed on the fourth insulating layer and overlapping the scan line; a first transistor including a channel disposed in the first semiconductor layer and receiving a gate signal through the scan line; and a second transistor including a channel disposed in the second semiconductor layer and receiving a gate signal through the inverted scan line.Type: GrantFiled: December 2, 2020Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Wan Son, Moo Soon Ko, Kyung Hyun Baek, Seok Je Seong, Jae Hyun Lee, Jeong-Soo Lee, Ji Seon Lee, Yoon-Jong Cho
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Patent number: 11785171Abstract: A display device includes a substrate and an active pattern positioned above the substrate and including a plurality of channel regions and a plurality of conductive regions. The display device includes a plurality of scan lines extending substantially in a first direction. The display device includes a data line and a driving voltage line crossing the plurality of scan lines. The display device includes a first transistor including a first channel region among the plurality of channel regions and a first gate electrode. The display device includes a first connector electrically connecting the first gate electrode of the first transistor and a first conductive region among the plurality of conductive regions to each other. The driving voltage line overlaps at least a portion of the first connector along a direction orthogonal to an upper surface of the substrate.Type: GrantFiled: March 7, 2022Date of Patent: October 10, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Se Wan Son, Wang Woo Lee, Moo Soon Ko, Jung Hwa Kim, Jin Sung An, Ji Seon Lee
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Publication number: 20230200162Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: ApplicationFiled: February 10, 2023Publication date: June 22, 2023Applicant: Samsung Display Co., LTD.Inventors: Jin Sung AN, Young Woo PARK, Se Wan SON, Moo Soon KO, Jeong-Soo LEE, Ji Seon LEE, Deuk Myung JI
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Publication number: 20230172000Abstract: Provided is a display device. The display device comprises a first active layer disposed on a substrate and made of a first material, a second active layer disposed on the first active layer and made of a second material different from the first material, a first gate layer disposed on the second active layer, and an inorganic pattern disposed below the second active layer and overlapping a portion of the first gate layer. The second active layer includes a conductor portion disposed between a portion of the first gate layer and the inorganic pattern.Type: ApplicationFiled: January 27, 2023Publication date: June 1, 2023Inventors: Se Wan SON, Moo Soon KO, Jin Sung AN, Jin Seok OH, Min Woo WOO, Seong Jun LEE, Wang Woo LEE, Ji Seon LEE
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Publication number: 20230157076Abstract: A display device includes: a first substrate including a pixel area and a transmissive area; a thin-film transistor on the first substrate; a planarization layer on the thin-film transistor; a first light emitting electrode on the planarization layer; a bank covering a part of the first light emitting electrode; a light emitting layer on the first light emitting electrode; and a second light emitting electrode on the light emitting layer and the bank. The transmissive area includes a transmissive hole penetrating the bank and the planarization layer.Type: ApplicationFiled: January 4, 2023Publication date: May 18, 2023Inventors: Se Wan SON, Moo Soon KO, Rae Young GWAK, Jin Seock MA, Min Jeong PARK, Ki Bok YOO, So La LEE, Jin Goo JUNG, Jong Won CHAE, Ye Ji HAN
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Patent number: 11641767Abstract: A display device includes: a substrate comprising a first layer and a second layer; a first display area including a first pixel area on the substrate; a second display area including a second pixel area and a transparent area adjacent to each other on the substrate; and a blocking layer disposed in the second pixel area of the second display area, and disposed between a first layer and a second layer of the substrate in a side view, and the blocking layer including a metal blocks light.Type: GrantFiled: December 31, 2020Date of Patent: May 2, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Won Chae, Moo Soon Ko, Jin Seock Ma, Sung Hoon Moon, Se Wan Son, Yong-Je Jeon, Jin Goo Jung
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Patent number: 11637162Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.Type: GrantFiled: January 4, 2021Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong-Soo Lee, Moo Soon Ko, Min Woo Woo, Ju-Won Yoon, Deuk Myung Ji
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Patent number: 11594588Abstract: Provided is a display device. The display device comprises a first active layer disposed on a substrate and made of a first material, a second active layer disposed on the first active layer and made of a second material different from the first material, a first gate layer disposed on the second active layer, and an inorganic pattern disposed below the second active layer and overlapping a portion of the first gate layer. The second active layer includes a conductor portion disposed between a portion of the first gate layer and the inorganic pattern.Type: GrantFiled: November 30, 2020Date of Patent: February 28, 2023Inventors: Se Wan Son, Moo Soon Ko, Jin Sung An, Jin Seok Oh, Min Woo Woo, Seong Jun Lee, Wang Woo Lee, Ji Seon Lee
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Patent number: 11581390Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: GrantFiled: January 7, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Young Woo Park, Se Wan Son, Moo Soon Ko, Jeong-Soo Lee, Ji Seon Lee, Deuk Myung Ji