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公开(公告)号：US20240346989A1
公开(公告)日：2024-10-17
申请号：US18752121
申请日：2024-06-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： JINSUNG AN , SUNGHO KIM , MINWOO WOO , WANGWOO LEE , JEONG-SOO LEE , SUGWOO JUNG
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2300/0852 , G09G2310/0278 , G09G2320/0247
Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.
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公开(公告)号：US20240224626A1
公开(公告)日：2024-07-04
申请号：US18216594
申请日：2023-06-30
Applicant: Samsung Display Co., Ltd.
Inventor： Youngtaek Oh , JINSUNG AN , SUNGHO KIM , YONGJAE KIM , SUGWOO JUNG
IPC: H10K59/126 , H10K59/124 , H10K59/131
CPC classification number: H10K59/126 , H10K59/124 , H10K59/131
Abstract: A display device includes a substrate, an active pattern, a first conductive layer, a second conductive layer, a shielding pattern, and a light emitting element. The active pattern is disposed on the substrate. The active pattern includes a first region, a second region, and a first channel region. The first conductive layer is disposed on the active pattern. The first conductive layer includes a first gate electrode overlapping the first channel region. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a first storage electrode overlapping the second region. The shielding pattern disposed on the second conductive layer. The shielding pattern overlaps the first gate electrode and the first storage electrode, and includes a black material. The light emitting element is disposed on the shielding pattern. Accordingly, low frequency characteristics of the display device may be improved.
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公开(公告)号：US20220392988A1
公开(公告)日：2022-12-08
申请号：US17342262
申请日：2021-06-08
Applicant: Samsung Display Co., Ltd.
Inventor： JINSUNG AN , SEOKJE SEONG , SEONGJUN LEE
IPC: H01L27/32
Abstract: A display device includes: a substrate; a first active pattern on the substrate; a second active pattern on the first active pattern; a first upper electrode on the second active pattern and having an island shape; and a first signal line on the first upper electrode, being electrically connected to the first upper electrode, and having an electrical resistance smaller than an electrical resistance of the first upper electrode.
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公开(公告)号：US20230071577A1
公开(公告)日：2023-03-09
申请号：US17836183
申请日：2022-06-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： MINWOO WOO , SUNGHO KIM , SEOKJE SEONG , JINSUNG AN , SEUNGHYUN LEE , WANGWOO LEE , JISEON LEE , YOON-JONG CHO
Abstract: A display device includes an electronic module and a display panel including a first display area that overlaps the electronic module and a second display area that does not overlap the electronic module. The display panel includes a base layer, a light emitting element layer disposed on the base layer, and a light blocking layer disposed between the base layer and the light emitting element layer. The light emitting element layer includes a plurality of first light emitting elements disposed in the first display area and a plurality of second light emitting elements disposed in the second display area. The light blocking layer includes a plurality of first light blocking patterns disposed in the first display area and respectively overlapping the first light emitting elements.
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公开(公告)号：US20220343836A1
公开(公告)日：2022-10-27
申请号：US17548870
申请日：2021-12-13
Applicant: Samsung Display Co., Ltd.
Inventor： JINSUNG AN , SUNGHO KIM , SEOKJE SEONG , MINWOO WOO , WANGWOO LEE , JISEON LEE
Abstract: A display device that includes: a display panel including a plurality of pixels respectively connected to a corresponding data line of a plurality of data lines and a corresponding scan line of a plurality of scan lines; and a test circuit connected to the data lines, and wherein the display panel includes a first area having a first light transmittance and a second area having a second light transmittance, wherein the pixels include a first pixel in the first area and a second pixel in the second area, wherein the test circuit provides a first test data signal to a data line connected to the first pixel, and provides a second test data signal to a data line connected to the second pixel, and wherein a voltage level of the first test data signal is different from a voltage level of the second test data signal.
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Patent Agency Ranking
公开(公告)号：US20220208147A1
公开(公告)日：2022-06-30
申请号：US17467818
申请日：2021-09-07
Applicant: Samsung Display Co., Ltd.
Inventor： MINWOO WOO , SUNGHO KIM , SEOKJE SEONG , JINSUNG AN , SEUNGHYUN LEE , WANGWOO LEE , HYUNG JOO JEON
Abstract: An electronic device operates in a first mode and a second mode and includes: a display panel including a min part on which an opening area and a display area surrounding the opening area are defined, and a sub-display part disposed below the main part; and an electronic module disposed below the display panel. In the first mode, the sub-display part is disposed below and overlaps the opening area in a plan view, and in the second mode, the electronic module is disposed below and overlaps the opening area in the plan view.
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公开(公告)号：US20240040918A1
公开(公告)日：2024-02-01
申请号：US18204227
申请日：2023-05-31
Applicant: Samsung Display Co., LTD.
Inventor： MINJUNG NA , JINSUNG AN , YONGJAE KIM
IPC: H10K59/80 , H10K59/126 , H10K59/40 , H10K59/122
CPC classification number: H10K59/8792 , H10K59/126 , H10K59/40 , H10K59/122
Abstract: A display device includes: a substrate including a display area and a sensor area surrounded by the display area, a circuit layer disposed on the substrate and including a plurality of pixel circuits, a plurality of display pixel electrodes disposed on the circuit layer and overlapping the display area, a plurality of sensor pixel electrodes disposed on the circuit layer and overlapping the sensor area, and a plurality of black patterns disposed on the circuit layer and overlapping the sensor pixel electrodes, respectively, where the black patterns cover boundary areas of the sensor pixel electrodes, respectively, and expose at least a portion of the circuit layer.
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公开(公告)号：US20220392991A1
公开(公告)日：2022-12-08
申请号：US17710017
申请日：2022-03-31
Applicant: Samsung Display Co., Ltd.
Inventor： MINWOO WOO , JINSUNG AN , SEUNGHYUN LEE , WANGWOO LEE , JISEON LEE
IPC: H01L27/32
Abstract: A display device includes a first pixel, a second pixel, and a third pixel. The first pixel includes a first light emitting element of a first group including a first pixel electrode disposed in a first area, a second light emitting element of the first group including a second pixel electrode electrically connected to the first pixel electrode and disposed in the first area, and a first pixel circuit electrically connected to the first light emitting element of the first group and the second light emitting element of the first group and disposed in the second area.
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9.发明申请公开(公告)号：US20220343817A1
公开(公告)日：2022-10-27
申请号：US17648959
申请日：2022-01-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： JINSUNG AN , SUNGHO KIM , SEOKJE SEONG , MINWOO WOO , SEUNGHYUN LEE , WANGWOO LEE , JISEON LEE
Abstract: A display panel includes a plurality of first pixels on a first region, a plurality of second pixels on a second region, and a test circuit. The second region has a transmittance less than a transmittance of the first region. The test circuit provides one or more test voltages to the first pixels and the second pixels. The test circuit includes a first test circuit and a second test circuit. The first test circuit provides the first pixels with a first voltage, and the second test circuit provides the second pixels with a second voltage different from the first voltage.
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公开(公告)号：US20240021157A1
公开(公告)日：2024-01-18
申请号：US18175412
申请日：2023-02-27
Applicant: Samsung Display Co., LTD.
Inventor： JINSUNG AN , Youngtaek Oh , SUNGHO KIM , YONGJAE KIM , SUGWOO JUNG
IPC: G09G3/3233 , H10K59/121 , H10K59/124 , H10K59/131
CPC classification number: G09G3/3233 , H10K59/1213 , H10K59/1216 , H10K59/124 , H10K59/131 , G09G2300/0861 , G09G2300/0819 , G09G2300/0842
Abstract: A display device includes: a light emitting diode; a driving transistor configured to transmit driving current to the light emitting diode; a bias transistor including an input terminal electrically connected to a bias voltage line; a first light emission control transistor including an output terminal electrically connected to an in put terminal of the driving transistor, and a gate electrode configured to receive a light emission control signal; a second light emission control transistor including an input terminal electrically connected to an output terminal of the driving transistor, and a gate electrode configured to receive the light emission control signal; a bias bridge electrode electrically in contact with each of an output terminal of the bias transistor and the input terminal of the driving transistor; and a first light emission control bridge electrode configured to receive the light emission control signal.
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