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公开(公告)号：US20230053847A1
公开(公告)日：2023-02-23
申请号：US18045761
申请日：2022-10-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： DONGWOO KIM , Sunghwan Kim , Kyoungju Shin , Cheol-Gon Lee , Sang-Uk Lim
IPC: G09G3/3233 , H01L27/32 , G09G3/3266 , G09G3/3283 , H01L27/12 , G01N11/02 , G01N27/416 , G01N33/18
Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.
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公开(公告)号：US20220183196A1
公开(公告)日：2022-06-09
申请号：US17394273
申请日：2021-08-04
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： DONGWOO KIM , Jungmin Lee , Myunggil Choi
Abstract: An apparatus for manufacturing a display device includes a stage on which a display panel is placed, an accommodation portion on which a display circuit board is placed, where the display circuit board is connected to the display panel, an interval adjustment portion that adjusts an interval between the stage and the accommodation portion, and a rotation driving portion that rotates the accommodation portion. When the interval adjustment portion applies a force to the display circuit board, the rotation driving portion rotates the accommodation portion.
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公开(公告)号：US20220069063A1
公开(公告)日：2022-03-03
申请号：US17313361
申请日：2021-05-06
Applicant: Samsung Display Co., Ltd.
Inventor： DONGWOO KIM , MUN-SOO PARK , JONGHWAN PARK
Abstract: A display device includes a plurality of display panels. Each of the display panels includes a substrate and a light blocking member. The substrate includes a display area and a peripheral area, and the display area includes sub-pixel areas. The light blocking member is disposed in the display area and the peripheral area on the substrate, and a plurality of openings is defined through the light blocking member to overlap the sub-pixel areas. A first width of the light blocking member located between two adjacent openings among the openings is twice a width of the light blocking member located in the peripheral area.
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公开(公告)号：US20250104627A1
公开(公告)日：2025-03-27
申请号：US18740508
申请日：2024-06-12
Applicant: Samsung Display Co., Ltd.
Inventor： DONGWOO KIM , SANGJIN JEON
IPC: G09G3/3233
Abstract: A display apparatus includes a pixel including a first sub-pixel including a first pulse width modulator outputting a first gate output signal for pulse width modulation in response to a first pulse width data and controlling a first driving current of a first light emitting element and a first pulse amplitude modulator applying the first driving current to the first light emitting element in response to a first pulse amplitude data, a second sub-pixel including a second pulse width modulator outputting a second gate output signal for pulse width modulation in response to a second pulse width data and controlling a second driving current of a second light emitting element and a second pulse amplitude modulator applying the second driving current to the second light emitting element in response to a second pulse amplitude data and an initializer initializing the first gate output signal and the second gate output signal.
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公开(公告)号：US20250056919A1
公开(公告)日：2025-02-13
申请号：US18733703
申请日：2024-06-04
Applicant: Samsung Display Co., LTD.
Inventor： KWIHYUN KIM , DONGWOO KIM , YEONKYUNG KIM , WONJUN LEE
IPC: H01L33/00 , H01L25/075 , H01L33/62
Abstract: A display device includes: a substrate including a first pixel area and a second pixel area adjacent to each other along a first direction; a first pixel in the first pixel area on the substrate and including a first pixel electrode; a second pixel in the second pixel area on the substrate and including a second pixel electrode; and a repair pattern on the first pixel electrode and the second pixel electrode, contacting with the first pixel electrode and the second pixel electrode, and electrically connecting the first pixel and the second pixel.
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Patent Agency Ranking
公开(公告)号：US20240208768A1
公开(公告)日：2024-06-27
申请号：US18515607
申请日：2023-11-21
Applicant: Samsung Display Co., Ltd.
Inventor： DONGWOO KIM , SANGHOON PARK , HEE SOO HAN
CPC classification number: B65H49/24 , B65H35/0086 , B65H43/08 , B65H73/00
Abstract: A tape feeding apparatus includes a supply unit that supplies a release paper and a tape attached to the release paper, a blade unit that separates the release paper and the tape, having a triangular pillar shape extending in a first direction, and including a first surface, a second surface directed perpendicular to the first surface and contacting the release paper, and a third surface in contact with the first surface and the second surface to form a sloped surface, and an lighting unit attached to the first surface.
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公开(公告)号：US20230117501A1
公开(公告)日：2023-04-20
申请号：US17953677
申请日：2022-09-27
Applicant: Samsung Display Co., Ltd.
Inventor： DONGWOO KIM , SANGHOON PARK , JONG-HOON PARK , MYUNGGIL CHOI
Abstract: A film peeling apparatus for peeling a film from an object includes a peeling module including a first frame, a second frame connected to the first frame and including a rotation body and a gripper which grips the film attached to the object and to be removed from the object, and is rotatable about a rotation axis of the rotation body connecting the first frame and the gripper, and a third frame defining a boundary at which the film to be removed is peeled from the object, and an articulated robot including an articulated arm connected to the first frame.
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公开(公告)号：US20240420638A1
公开(公告)日：2024-12-19
申请号：US18821615
申请日：2024-08-30
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： DONGWOO KIM , SUNGHWAN KIM , KYOUNGJU SHIN , CHEOL-GON LEE , SANG-UK LIM
IPC: G09G3/3233 , G01N11/02 , G01N27/416 , G01N33/18 , G09G3/3266 , G09G3/3283 , H01L27/12 , H01L29/786 , H10K59/121 , H10K59/131
Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.
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公开(公告)号：US20240331602A1
公开(公告)日：2024-10-03
申请号：US18616442
申请日：2024-03-26
Applicant: Samsung Display Co., LTD.
Inventor： YEONKYUNG KIM , KWIHYUN KIM , DONGWOO KIM
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0275 , G09G2310/0297 , G09G2310/08
Abstract: A pixel circuit includes a first transistor connected to a gate node, receiving a first power voltage, and connected to a second node, a second transistor receiving a data writing gate signal, receiving a data voltage, and connected to a first node, a third transistor receiving a compensation gate signal, connected to the gate node, and connected to the second node, a fourth transistor receiving an initialization gate signal, receiving an initialization voltage, and connected to the gate node, a fifth transistor receiving the initialization gate signal, connected to the first node, and connected to an anode node, a sixth transistor receiving an emission signal, connected to the second node, and connected to the anode node, and a light emitting element connected to the anode node and receiving a second power voltage.
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公开(公告)号：US20240242671A1
公开(公告)日：2024-07-18
申请号：US18501031
申请日：2023-11-03
Applicant: Samsung Display Co., Ltd.
Inventor： YEONKYUNG KIM , KWIHYUN KIM , DONGWOO KIM
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08 , G09G2320/045 , G09G2330/021
Abstract: A pixel circuit is disclosed that includes first through sixth transistors, first and second capacitors, and a light emitting element. A gate electrode of the second transistor receives a first gate signal. A gate electrode of the third transistor receive a second gate signal. Gate electrodes of each of the fourth and fifth transistors receive a third gate signal. A gate electrode of the sixth transistor receives an emission signal. First electrodes of the first transistor and the first capacitor each receive a first power supply voltage. A cathode electrode of the light emitting element receives a second power supply voltage. A first electrode of the fourth transistor receives an initialization voltage.
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