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公开(公告)号：US12130987B2
公开(公告)日：2024-10-29
申请号：US18075845
申请日：2022-12-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong Jung , Oh Jo Kwon , Ji Woong Kim , Hyung Gun Ma , Seong An Park , Sang Hyun Heo
CPC classification number: G06F3/0418 , G06F1/04 , G06F3/0446
Abstract: A sensor device including: first sensors; second sensors configured to form capacitances with the first sensors; a sensor transmitter connected to the first sensors and configured to supply driving signals having a first frequency to the first sensors; and a sensor receiver connected to the second sensors and configured to receive sensing signals from the second sensors, wherein the sensor receiver includes: a multipath filter having a center frequency set to the first frequency; and a first chopper integrator connected to the multipath filter, and having a center frequency set to the first frequency.
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公开(公告)号：US11508290B2
公开(公告)日：2022-11-22
申请号：US17328969
申请日：2021-05-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yun Ki Baek , Oh Jo Kwon , Bong Hyun You , Seok Ha Hong
IPC: G09G3/32
Abstract: A pixel according to some embodiments includes a light source unit, a first transistor coupled between a first power source and a first node, and configured to control a driving current applied to the light source unit, a first bias transistor coupled between a first bias power source and a gate electrode of the first transistor, and a second bias transistor coupled between a second bias power source and a second node that is electrically coupled to an anode of the light source unit, wherein the first bias transistor and the second bias transistor are configured to be turned on during a first period before a data voltage is applied among one frame, and wherein the second bias transistor is configured to be turned on at least once during a second period after the data voltage is applied among the one frame.
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公开(公告)号：US20220059016A1
公开(公告)日：2022-02-24
申请号：US17328969
申请日：2021-05-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yun Ki Baek , Oh Jo Kwon , Bong Hyun You , Seok Ha Hong
IPC: G09G3/32
Abstract: A pixel according to some embodiments includes a light source unit, a first transistor coupled between a first power source and a first node, and configured to control a driving current applied to the light source unit, a first bias transistor coupled between a first bias power source and a gate electrode of the first transistor, and a second bias transistor coupled between a second bias power source and a second node that is electrically coupled to an anode of the light source unit, wherein the first bias transistor and the second bias transistor are configured to be turned on during a first period before a data voltage is applied among one frame, and wherein the second bias transistor is configured to be turned on at least once during a second period after the data voltage is applied among the one frame.
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公开(公告)号：US20200294451A1
公开(公告)日：2020-09-17
申请号：US16817527
申请日：2020-03-12
Applicant: Samsung Display Co., Ltd.
Inventor： Ji Woong Kim , Oh Jo Kwon , Hyo Jin Lee , Se Hyuk Park
IPC: G09G3/3266 , G09G3/3291
Abstract: A method of driving a pixel including: during a first period of a first frame, applying a first scan signal having a turn-on level to the first scan line, applying a data voltage to a data line, and applying a second scan signal having the turn-on level to the second scan line; and during a second period of a second frame, applying the first scan signal having the turn-on level to the first scan line, applying a bias voltage to the data line, and applying the second scan signal having a turn-off level to the second scan line, the second frame is a frame subsequent to the first frame, the second period is longer than the first period, and a light-emitting diode emits light at luminance based on the data voltage during at least a portion of the first frame and at least a portion of the second frame.
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公开(公告)号：US20200027398A1
公开(公告)日：2020-01-23
申请号：US16586534
申请日：2019-09-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Oh Jo Kwon , Joo Hyung Lee , Kyung Youl Min
IPC: G09G3/3233 , G09G3/3275
Abstract: An organic light-emitting display includes: a display panel including first and second pixels, each having an organic light-emitting diode; and a data driver including a first operational amplifier having a non-inverting terminal coupled to a reference voltage terminal and an inverting terminal coupled to the first pixel, and a second operational amplifier having a non-inverting terminal coupled to the reference voltage terminal and an inverting terminal coupled to the second pixel. The first pixel includes a sensing transistor, a first driving transistor, and a first switch transistor. The second pixel includes a second driving transistor and a second switch transistor.
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Patent Agency Ranking
36.发明授权公开(公告)号：US10044366B2
公开(公告)日：2018-08-07
申请号：US14218952
申请日：2014-03-18
Inventor： Oh Jo Kwon , Kyung Youl Min , Choong Sun Shin , Hee Sun Ahn , Hyun Sik Kim , Jun Suk Bang , Gyu Hyeong Cho
IPC: G09G3/32 , H03M1/72 , G09G3/3275
Abstract: A non-linear gamma compensation current mode digital-analog converter includes: a first digital-analog converter block configured to: receive a digital signal, a first reference voltage, and a gamma adjustment voltage, and provide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to: receive the digital signal, a second reference voltage, and a ground voltage, and provide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current.
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公开(公告)号：US20160163255A1
公开(公告)日：2016-06-09
申请号：US14681030
申请日：2015-04-07
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Bo Yeon Kim , Oh Jo Kwon
CPC classification number: G09G3/3291 , G09G3/2003 , G09G3/3233 , G09G2300/0866 , G09G2310/0291 , G09G2310/0297 , G09G2320/0233 , G09G2320/029 , G09G2320/0295 , G09G2320/043 , G09G2350/00
Abstract: An organic light-emitting display devices includes a display panel having first and second pixel groups, each group including first, second, and third pixels which emit light of different colors and a current measurement unit having a plurality of current measurement channels connected to the first and second pixel groups by data lines, wherein each of the current measurement channels includes a first measurement circuit connected to one of the first, second, and third pixels in the first pixel group and measures current characteristics of the connected one of the pixels and a second measurement circuit which measures current characteristics of one of the first, second, and third pixels, in the second pixel group, which emits light of the same color as that of light emitted from the one of the pixels connected to the first measurement circuit.
Abstract translation: 有机发光显示装置包括具有第一和第二像素组的显示面板，每个组包括发射不同颜色的光的第一，第二和第三像素，以及具有连接到第一和第二像素的多个电流测量通道的电流测量单元 和第二像素组，其中每个当前测量通道包括连接到第一像素组中的第一，第二和第三像素中的一个像素的第一测量电路，并且测量连接的像素之一的电流特性和 第二测量电路，其测量第二像素组中的第一，第二和第三像素之一的电流特性，其发射与从连接到第一测量电路的像素中的一个发射的光的颜色相同的颜色的光。
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公开(公告)号：US20150138177A1
公开(公告)日：2015-05-21
申请号：US14301311
申请日：2014-06-10
Inventor： Oh Jo Kwon , Choong Sun Shin , Hyun Sik Kim , Jun Suk Bang , Gyu Hyeong Cho
IPC: G09G3/32
CPC classification number: G09G3/3291 , G09G3/3233 , G09G2300/0819 , G09G2310/0251 , G09G2320/0233 , G09G2320/0285 , G09G2320/0295 , G09G2320/043
Abstract: A display device includes: a plurality of pixels, each being coupled to a corresponding data line among a plurality of data lines and a corresponding scan line among a plurality of scan lines; a scan driver to supply a scan signal to the scan lines; a sensor coupled to the pixels and the data lines and configured to detect a sensing current according to a test signal input to the data lines; and a controller configured to detect a pixel current of a pixel corresponding to a scan line to which the scan signal is supplied, by using a first sensing current corresponding to a first pixel and a second sensing current corresponding to a second pixel, when the scan signal is selectively supplied to a first scan line coupled to the first pixel and a second scan line coupled to the second pixel.
Abstract translation: 显示装置包括：多个像素，每个像素耦合到多个数据线中的相应数据线和多条扫描线中的相应扫描线; 扫描驱动器，用于向扫描线提供扫描信号; 耦合到所述像素和所述数据线并被配置为根据输入到所述数据线的测试信号来检测感测电流的传感器; 以及控制器，被配置为通过使用与第一像素对应的第一感测电流和对应于第二像素的第二感测电流来检测与被提供扫描信号的扫描线相对应的像素的像素电流，当扫描 信号被选择性地提供给耦合到第一像素的第一扫描线和耦合到第二像素的第二扫描线。
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公开(公告)号：US09019180B2
公开(公告)日：2015-04-28
申请号：US14161364
申请日：2014-01-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hee Sun Ahn , Oh Jo Kwon , Kyung Youl Min
CPC classification number: G09G3/3233 , G09G2300/0842 , G09G2300/0861 , G09G2320/0233 , G09G2320/0295 , G09G2320/0693
Abstract: A display device including pixels; a leakage current compensator connected to at least one of data lines connected to the pixels; and an integrator connected to the leakage current compensator. The leakage current compensator is configured to store a voltage that corresponds to a leakage current that flows to the at least one data line, and to flow the leakage current to ground from the at least one data line according to a voltage that corresponds to the leakage current. The integrator is configured to receive a pixel current generated by subtracting the leakage current from a measurement current that flows to the at least one data line, and to output a difference value between a pixel voltage that corresponds to the pixel current and a reference voltage.
Abstract translation: 包括像素的显示装置; 连接到连接到像素的数据线中的至少一个的漏电流补偿器; 以及与漏电流补偿器连接的积分器。 泄漏电流补偿器被配置为存储对应于流到至少一条数据线的泄漏电流的电压，并且根据与漏电流对应的电压从至少一条数据线流出漏电流 当前。 积分器被配置为接收从流过至少一条数据线的测量电流减去泄漏电流而产生的像素电流，并输出与像素电流对应的像素电压与基准电压之间的差值。
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公开(公告)号：US20150103062A1
公开(公告)日：2015-04-16
申请号：US14218956
申请日：2014-03-18
Inventor： Oh Jo Kwon , Kyung Youl Min , Choong Sun Shin , Hee Sun Ahn , Hyun Sik Kim , Jun Suk Bang , Gyu Hyeong Cho
IPC: G09G3/36
CPC classification number: G09G3/3291 , G09G2300/0814 , G09G2300/0819 , G09G2320/0295
Abstract: A display device according to an embodiment of the present invention includes: a pixel configured to emit light according to a data signal supplied to a data line, a power source voltage supplier configured to supply a power source voltage to the pixel, a driving transistor configured to drive the pixel to be emitted according to the data signal and the power source voltage, and a sensor configured to supply a test signal to a data line and to detect a sensing current flowing to the data line through the driving transistor according to the test signal.
Abstract translation: 根据本发明的实施例的显示装置包括：被配置为根据提供给数据线的数据信号发光的像素，被配置为向像素提供电源电压的电源电压供给器，被配置为 根据数据信号和电源电压驱动要发射的像素;以及传感器，被配置为向数据线提供测试信号，并且根据测试来检测流过驱动晶体管的数据线的感测电流 信号。
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