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公开(公告)号：US20240113260A1
公开(公告)日：2024-04-04
申请号：US18446811
申请日：2023-08-09
Applicant: Samsung Display Co., LTD.
Inventor： Hoon KIM , Min Joo KIM , Je Won YOO , Seung Kyu LEE , Yong Sik HWANG
IPC: H01L33/36 , H01L25/075 , H01L33/08
CPC classification number: H01L33/36 , H01L25/0753 , H01L33/08
Abstract: A display device includes a display area where an image is displayed, a non-display area disposed adjacent to the display area, a first sub-pixel disposed in the display area, and a second sub-pixel disposed adjacent to the first sub-pixel in the display area. Each of the first sub-pixel and the second sub-pixel includes a plurality of alignment electrodes spaced apart from each other, and a plurality of light emitting elements disposed between the plurality of alignment electrodes. Each of the plurality of light emitting elements includes a first end having a first polarity, and a second end having a second polarity different from the first polarity. An orientation of the light emitting elements in the first sub-pixel and an orientation of the light emitting elements in the second sub-pixel are symmetrical. The first sub-pixel includes an identification pattern for distinguishing the first sub-pixel from the second sub-pixel.
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公开(公告)号：US20240006559A1
公开(公告)日：2024-01-04
申请号：US18314608
申请日：2023-05-09
Applicant: Samsung Display Co., LTD.
Inventor： Je Won YOO , Min Joo KIM , Hoon KIM , Seung Kyu LEE , Yong Sik HWANG
IPC: H01L33/38 , H01L25/075 , H01L33/44
CPC classification number: H01L33/382 , H01L25/0753 , H01L33/44
Abstract: A display device is provided. The display device comprises a substrate, a first electrode and a second electrode above the substrate, extending in one direction, and spaced apart from each other in another direction, a light-emitting element above the first electrode and the second electrode, a first connection electrode contacting one end portion of the light-emitting element, a second connection electrode contacting another end portion of the light-emitting element, and a first insulating layer between the light-emitting element and the first and second electrodes, and including a light-blocking material.
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公开(公告)号：US20230267862A1
公开(公告)日：2023-08-24
申请号：US18306206
申请日：2023-04-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Ki Nyeng KANG , Min Joo KIM , Tae Hoon YANG , Sang Hoon LEE , Seon Beom JI
CPC classification number: G09G3/006 , G09G3/32 , G09G2310/0278
Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.
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公开(公告)号：US20210287579A1
公开(公告)日：2021-09-16
申请号：US17116206
申请日：2020-12-09
Applicant: Samsung Display Co., Ltd.
Inventor： Ki Nyeng KANG , Min Joo KIM , Tae Hoon YANG , Sang Hoon LEE , Seon Beom JI
Abstract: A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.
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公开(公告)号：US20250104653A1
公开(公告)日：2025-03-27
申请号：US18659251
申请日：2024-05-09
Applicant: Samsung Display Co., LTD.
Inventor： Dong Hwan JEON , Won Kyu KWAK , Min Joo KIM , Min Woo BYUN , Jong Sik SHIM , Seon I JEONG , Sung Chan HWANG
IPC: G09G3/3291 , G06F3/041 , H10K59/121 , H10K59/40
Abstract: A display device includes a plurality of pixels arranged in a display area of a display panel, and a display driving circuit supplying data voltages and pixel driving control signals to the plurality of pixels to control an image display operation for each of the plurality of pixels. The display driving circuit further supplies an active control voltage that varies proportional to or inversely proportional to a change in temperature of the display panel to at least one thin film transistor included in the plurality of pixels.
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Patent Agency Ranking
公开(公告)号：US20240411186A1
公开(公告)日：2024-12-12
申请号：US18809294
申请日：2024-08-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sang Hoon LEE , Seung Min SONG , Min Joo KIM , Tae Woo KIM , Jong Hyun CHOI
IPC: G02F1/1345 , G06F3/041 , G06V40/19 , G09G3/3233 , H04N23/57 , H10K59/131 , H10K59/88
Abstract: A display device includes a display panel including a display area in which pixels are placed to display an image, and a non-display area located around the display area; and a cover window including a light blocking area overlapping the non-display area of the display panel in a thickness direction of the display panel, and a through hole penetrating through the light blocking area, wherein the display panel further includes a first power supply line located in the non-display area to apply a first power supply voltage, and wherein the first power supply line does not overlap the through hole in the thickness direction of the display panel.
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公开(公告)号：US20210126078A1
公开(公告)日：2021-04-29
申请号：US16928816
申请日：2020-07-14
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Hoon LEE , Seung Min SONG , Min Joo KIM , Tae Woo KIM , Jong Hyun CHOI
IPC: H01L27/32
Abstract: A display device includes a display panel including a display area in which pixels are placed to display an image, and a non-display area located around the display area; and a cover window including a light blocking area overlapping the non-display area of the display panel in a thickness direction of the display panel, and a through hole penetrating through the light blocking area, wherein the display panel further includes a first power supply line located in the non-display area to apply a first power supply voltage, and wherein the first power supply line does not overlap the through hole in the thickness direction of the display panel.
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公开(公告)号：US20240233639A9
公开(公告)日：2024-07-11
申请号：US18377769
申请日：2023-10-07
Applicant: Samsung Display Co., LTD.
Inventor： Min Woo BYUN , Min Joo KIM , Seon I JEONG , Chae Han HYUN , Sung Chan HWANG
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0202 , G09G2310/067 , G09G2310/08
Abstract: A display device includes a display panel including pixels in one pixel column and a gate driver for sequentially providing scan signals to the pixels. Each of the pixels includes a light emitting element, a first transistor for controlling a current amount of driving current flowing through the light emitting element and a second transistor for transferring a data signal to a gate electrode of the first transistor in response to a corresponding scan signal among the scan signals. A first pixel among the pixels is electrically connected to a first data line, and a second pixel adjacent to the first pixel among the pixels is electrically connected to a second data line different from the first data line. A second scan signal provided to the second pixel partially overlaps with a first scan signal provided to the first pixel.
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公开(公告)号：US20240135876A1
公开(公告)日：2024-04-25
申请号：US18377769
申请日：2023-10-06
Applicant: Samsung Display Co., LTD.
Inventor： Min Woo BYUN , Min Joo KIM , Seon I JEONG , Chae Han HYUN , Sung Chan HWANG
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0202 , G09G2310/067 , G09G2310/08
Abstract: A display device includes a display panel including pixels in one pixel column and a gate driver for sequentially providing scan signals to the pixels. Each of the pixels includes a light emitting element, a first transistor for controlling a current amount of driving current flowing through the light emitting element and a second transistor for transferring a data signal to a gate electrode of the first transistor in response to a corresponding scan signal among the scan signals. A first pixel among the pixels is electrically connected to a first data line, and a second pixel adjacent to the first pixel among the pixels is electrically connected to a second data line different from the first data line. A second scan signal provided to the second pixel partially overlaps with a first scan signal provided to the first pixel.
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公开(公告)号：US20240014356A1
公开(公告)日：2024-01-11
申请号：US18338523
申请日：2023-06-21
Applicant: Samsung Display Co., LTD.
Inventor： Je Won YOO , Min Joo KIM , Hoon KIM , Seung Kyu LEE , Yong Sik HWANG
CPC classification number: H01L33/483 , H01L25/167 , H01L2933/0033
Abstract: A display device according to an embodiment of the disclosure includes a channel formation pattern disposed on a base layer and including a first channel and a second channel spaced apart from each other; and a light emitting element disposed on the channel formation pattern. The light emitting element is aligned between the first channel and the second channel.
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