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公开(公告)号：US20250079985A1
公开(公告)日：2025-03-06
申请号：US18736863
申请日：2024-06-07
Inventor： Hyo Chul LEE , Franklindon BIEN , Ji Won KIM , Seung In BAEK , In Soo WANG , Woo Jin PARK
IPC: H02M3/158 , G09G3/3233 , H02M1/08 , H02M3/157
Abstract: According to embodiments of the disclosure, a DC-DC converter includes a voltage generator configured to generate an output voltage by converting an input voltage, a first mode driver configured to generate a first switching signal to drive the voltage generator in a first mode, a second mode driver configured to generate a second switching signal to drive the voltage generator in a second mode, a third mode driver configured to generate a third switching signal to drive the voltage generator in a third mode, and a mode controller configured to determine an output load of the voltage generator using the first switching signal, the second switching signal, and the third switching signal, and supply one of the first switching signal, the second switching signal, and the third switching signal to the voltage generator according to the output load.
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公开(公告)号：US20210375187A1
公开(公告)日：2021-12-02
申请号：US17151714
申请日：2021-01-19
Applicant: Samsung Display Co., Ltd.
Inventor： Hyo Chul LEE , In Soo WANG
Abstract: A display device of the disclosure includes a panel including pixels, and first sensors and second sensors overlapping the pixels, and a circuit board. The circuit board includes a first sensor pad electrically connected to a respective first sensor, a second sensor pad electrically connected to a respective second sensor, and a data pad electrically connected to respective pixels, a sensor driver, a first sensor line having one end connected to the first sensor pad and another end connected to the sensor driver, a second sensor line having one end connected to the second sensor pad and another end connected to the sensor driver, a data extension line having one end connected to the data pad, and a first decoupling capacitor connected to the first sensor line disposed between the sensor driver and a first point where the first sensor line and the data extension line cross.
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公开(公告)号：US20210399043A1
公开(公告)日：2021-12-23
申请号：US17467157
申请日：2021-09-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Won Jun LEE , Hyo Chul LEE
Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located around the display area; a circuit element layer including a circuit element in each of the pixel areas and a reference voltage wiring in the non-display area, the reference voltage wiring being electrically coupled to the circuit element; and a display element layer including a first pixel electrode on the circuit element layer in each of the pixel areas, a second pixel electrode located opposite to the first pixel electrode, a plurality of light emitting elements between the first pixel electrode and the second pixel electrode, and a first wiring on the circuit element layer in the non-display area, wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area.
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公开(公告)号：US20210326558A1
公开(公告)日：2021-10-21
申请号：US17189965
申请日：2021-03-02
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyo Chul LEE , Hyeon Do PARK , In Soo WANG
Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-line among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line.
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公开(公告)号：US20230154909A1
公开(公告)日：2023-05-18
申请号：US18092504
申请日：2023-01-03
Applicant: SAMSUNG DISPLAY CO.,LTD.
Inventor： Hyo Chul LEE , Hyeon Do Park , In Soo Wang
IPC: H01L25/16 , G06V40/13 , G06V10/147
CPC classification number: H01L25/167 , G06V40/1318 , G06V10/147 , H01L25/18
Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-fine among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line,
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Patent Agency Ranking
公开(公告)号：US20220357809A1
公开(公告)日：2022-11-10
申请号：US17550029
申请日：2021-12-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seung Hee LEE , Hyo Chul LEE
Abstract: A display device includes: a panel including a display region and a touch region; and a circuit board, and including a first conductive layer, a second conductive layer and a first insulating layer between the first conductive layer and the second conductive layer. The circuit board includes: a plurality of data lines electrically connected with a plurality of data signal lines; a plurality of touch lines electrically connected with a plurality of touch electrodes; and a first ground line disposed between at least two or more of the plurality of data lines and the plurality of touch lines. The first ground line includes a first part of the first conductive layer, a first part of the second conductive layer, and a first via passing through the first insulating layer and connecting the first part of the first conductive layer with the first part of the second conductive layer.
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公开(公告)号：US20190096323A1
公开(公告)日：2019-03-28
申请号：US15984175
申请日：2018-05-18
Applicant: Samsung Display Co. Ltd.
Inventor： Hyo Chul LEE , Yoon Jung CHAI
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0262 , G09G2320/0233 , G09G2320/0295 , G09G2320/045
Abstract: A pixel of an organic light emitting diode (OLED) display device may include an organic light-emitting diode; a first transistor configured to control, in response to a voltage of a first node, current flowing from a first driving power source to a second driving power source that is coupled to a second node via the organic light-emitting diode; a second transistor coupled between a data line and the first node, and configured to be turned on when a first scan signal is supplied to a first scan line; a storage capacitor coupled between the first node and the first driving power source; and an auxiliary capacitor coupled between the first driving power source and the second node.
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公开(公告)号：US20200005703A1
公开(公告)日：2020-01-02
申请号：US16439314
申请日：2019-06-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hong Bo KIM , Won Jun LEE , Yoon Jung CHAI , Chol Ho KIM , Hyo Chul LEE
Abstract: A display device includes: a substrate including a display region including a plurality of pixel regions, and a non-display region at a periphery of the display region;a pixel circuit layer including a plurality of circuit elements in the display region; a display element layer including a plurality of light emitting devices in the display region on the pixel circuit layer; and first and second alignment lines in the non-display region, the first and second alignment lines each having a multi-layered structure. Each of the first and second alignment lines includes: a main line in a same layer as at least one electrode in the display element layer; and at least one sub-line electrically connected to the main line, the at least one sub-line in a same layer as at least one electrode in the pixel circuit layer.
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公开(公告)号：US20170162123A1
公开(公告)日：2017-06-08
申请号：US15342530
申请日：2016-11-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Geun Hyuk CHOI , Sang Hyun LEE , Hyo Chul LEE , Jae Ho CHOI , Hyun Seok HONG
IPC: G09G3/3266 , G09G3/3291
CPC classification number: G09G3/3266 , G09G3/3291 , G09G2310/0286 , G09G2310/08
Abstract: A display device includes a timing controller which transmits a vertical clock signal having rising edges and falling edges to a gate driver and a gate driver which receives the vertical clock signal, to generate a first gate clock signal and a first inverted gate clock signal in accordance with one of the rising edges and the falling edges of the vertical clock signal, and to generate a second gate clock signal and a second inverted gate clock signal in accordance with a remaining one of the rising edges and the falling edges of the vertical clock signal.
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10.发明申请公开(公告)号：US20170086296A1
公开(公告)日：2017-03-23
申请号：US15075326
申请日：2016-03-21
Applicant: Samsung Display Co., Ltd.
Inventor： Hyo Chul LEE , Hyun Seok HONG
CPC classification number: G02F1/133305 , G02F1/1339 , G02F1/1345 , G02F1/13452 , H05K1/147 , H05K2201/10128 , H05K2201/10136
Abstract: A display device includes a first substrate including: a display area in which an image is displayed, and a non-display area in which an image is not displayed and a signal line is disposed to transmit or receive an electrical signal to or from the display area of the first substrate; a second substrate coupled to the first substrate and exposing the non-display area of the first substrate; and a sealing member which is disposed between the first substrate and the second substrate and couples the first substrate and the second substrate to each other. The sealing member between the first substrate and the second substrate extends to overlap the signal line in the exposed non-display area of the first substrate.
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