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公开(公告)号：US20240249668A1
公开(公告)日：2024-07-25
申请号：US18509743
申请日：2023-11-15
Applicant: Samsung Display Co., LTD.
Inventor： Min Kyu WOO , Bon Yong KOO , Hyun Joon KIM , Seon Young CHOI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0426 , G09G2300/0852 , G09G2300/0861
Abstract: A pixel according to an embodiment of the disclosure includes a light emitting element, a pulse width control circuit that is electrically connected to a data line to which a data voltage is applied, generates an emission control signal having a pulse width depending on the data voltage, and outputs the emission control signal, and a pixel driving circuit that receives the emission control signal and supplies a driving current to the light emitting element for a period according to the pulse width of the emission control signal. According to an embodiment of the disclosure, a pixel displaying images of various grayscales by controlling a period in which the light emitting element emits light, a method for driving the same, and a display device including the same may be provided.
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公开(公告)号：US20240203323A1
公开(公告)日：2024-06-20
申请号：US18482665
申请日：2023-10-06
Applicant: Samsung Display Co., LTD.
Inventor： Min Kyu WOO , Bon Yong KOO , Hyun Joon KIM , Seon Young CHOI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0819 , G09G2300/0842 , G09G2310/0248
Abstract: A display device includes a pixel, the pixel including: a light emitting element; a first pixel circuit including at least one capacitor and at least one transistor, and to generate a sweep signal that changes linearly over time from a voltage level of a data signal received through a data line; and a second pixel circuit including at least one transistor, and to adjust a duty cycle of a current flowing through the light emitting element based on the sweep signal.
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公开(公告)号：US20230268350A1
公开(公告)日：2023-08-24
申请号：US18080891
申请日：2022-12-14
Applicant: Samsung Display Co., LTD.
Inventor： Dong Hee SHIN , No Kyung PARK , Min Kyu WOO
CPC classification number: H01L27/124 , H01L25/167 , H01L33/62
Abstract: A display device includes a data line disposed on a substrate and extending in a first direction, a first gate line disposed on the data line and extending in a second direction intersecting the first direction, a voltage line extending in the second direction, the voltage line and the first gate line disposed on a same layer, first and second metal patterns extending in the first direction, the first metal patterns, the second metal patterns, and the data line disposed on a same layer, and third and fourth metal patterns extending in the first direction, the third and the fourth metal patterns disposed on at least one of the first and the second metal patterns. The first metal patterns and the third metal patterns are electrically connected to the first gate line, and the second metal patterns and the fourth metal patterns are electrically connected to the voltage line.
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公开(公告)号：US20210265329A1
公开(公告)日：2021-08-26
申请号：US17003428
申请日：2020-08-26
Applicant: Samsung Display Co., Ltd.
Inventor： Min Kyu WOO , Kyung Bae KIM , Chong Chul CHAI
Abstract: A display device includes: a base layer having a first area and a second area extending at least partially around a periphery of the first area; conductive patterns in the second area; an insulating layer over the conductive patterns in the second area; a first electrode and a second electrode on the insulating layer; and a plurality of light emitting elements between the first electrode and the second electrode in the first area and being connected to the first electrode and the second electrode. The first electrode and the second electrode are spaced apart from each other in the first area and are respectively connected to portions of the conductive patterns through contact openings penetrating the insulating layer. The light emitting elements do not overlap the conductive patterns and the insulating layer.
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公开(公告)号：US20240264712A1
公开(公告)日：2024-08-08
申请号：US18639093
申请日：2024-04-18
Applicant: Samsung Display Co., Ltd.
Inventor： Hwa Jeong KIM , Jae Sic LEE , Na Yun KWAK , Dong Hwan KIM , Seung Woo SUNG , Min Kyu WOO , Min Ku LEE , Seong Jun LEE , Sang Jin PAK , Sang Hyun JUN
CPC classification number: G06F3/0446 , G06F3/0416 , G06F3/04164 , G06F3/04166 , G06F3/044
Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
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Patent Agency Ranking
公开(公告)号：US20230276666A1
公开(公告)日：2023-08-31
申请号：US17973836
申请日：2022-10-26
Applicant: Samsung Display Co., LTD.
Inventor： Dong Hee SHIN , Na Hyeon CHA , Min Kyu WOO
CPC classification number: H01L27/3276 , H01L27/3262 , H01L27/124 , H01L27/1255 , H01L27/3265
Abstract: A display device comprises a pixel circuit of each of first to third pixels disposed on a substrate, first to third vertical gate lines extending in a first direction and disposed on a side of the pixel circuit of each of the first to third pixels, respectively, a horizontal gate line extending in a second direction intersecting the first direction and disposed on the first to third vertical gate lines, a first electrode of each of the first to third pixels extending in the first direction and disposed on the horizontal gate line, and a second electrode of each of the first to third pixels extending in the first direction, the second electrode and the first electrode being disposed in a same layer. The first electrode of the first pixel overlaps the first vertical gate line, and the first electrode of the second pixel overlaps the second vertical gate line.
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公开(公告)号：US20230232679A1
公开(公告)日：2023-07-20
申请号：US18095957
申请日：2023-01-11
Applicant: Samsung Display Co., LTD.
Inventor： MINDO HEO , Min Kyu WOO , Seon Young CHOI
IPC: H10K59/131 , G09G3/3233
CPC classification number: H10K59/131 , G09G3/3233 , G09G2300/0408 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2320/0214 , H10K59/124
Abstract: A display device includes: a substrate; and a semiconductor layer including a driving transistor and a fourth transistor on the substrate, wherein a first electrode of the driving transistor is connected to a driving voltage line to receive a driving voltage, a first electrode of the fourth transistor is connected to a first initialization voltage line to receive a first initialization voltage, a second electrode of the fourth transistor is connected to a gate electrode of the driving transistor, a low doping region is between a channel of the fourth transistor and the first electrode of the fourth transistor, and a low doping region is not between the channel of the further transistor and the second electrode of the fourth transistor.
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公开(公告)号：US20230137784A1
公开(公告)日：2023-05-04
申请号：US17879514
申请日：2022-08-02
Applicant: Samsung Display Co., LTD.
Inventor： Dong Hee SHIN , Min Kyu WOO , Na Hyeon CHA
IPC: H01L27/32
Abstract: A display device includes first and second unit pixels adjacent to each other in a first direction, and each including first to third pixels, a first voltage line on a first side of each of the first and second unit pixels, and extended in a second direction crossing the first direction, a data line on a second side of each of the first and second unit pixels, and extended in the second direction, first gate lines between the first side of the first unit pixel and the second side of the second unit pixel to not be on the second side of the first unit pixel and to not be on the first side of the second unit pixel, and extended in the second direction, and a second gate line connected to at least one of the first gate lines, and extended in the first direction.
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公开(公告)号：US20230060203A1
公开(公告)日：2023-03-02
申请号：US17874064
申请日：2022-07-26
Applicant: Samsung Display Co., LTD.
Inventor： Dong Woo KIM , Min Kyu WOO , Kyung Bae KIM
Abstract: A display device includes: a power source line; a plurality of gate lines each extending in a first direction and arranged along a second direction in a plan view; a plurality of pixels connected to the power source line and the gate lines; and a plurality of vertical lines each extending in the second direction and arranged along the first direction in the plan view, wherein the vertical lines include a plurality of gate connection lines and a plurality of dummy lines between the gate connection lines, wherein the gate connection lines connect the gate lines to a gate driver, wherein the dummy lines are connected to the power source line, and wherein a distance between the dummy lines spaced apart from each other with at least one of the gate connection lines interposed therebetween is constant throughout.
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公开(公告)号：US20200333898A1
公开(公告)日：2020-10-22
申请号：US16915946
申请日：2020-06-29
Applicant: Samsung Display Co., Ltd.
Inventor： Hwa Jeong KIM , Jae Sic LEE , Na Yun KWAK , Dong Hwan KIM , Seung Woo SUNG , Min Kyu WOO , Min Ku LEE , Seong Jun LEE , Sang Jin PAK , Sang Hyun JUN
Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
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