公开(公告)号：US09378675B2

公开(公告)日：2016-06-28

申请号：US14060883

申请日：2013-10-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yong-Jae Kim ,  Hae-Yeon Lee ,  Bo-Yong Chung ,  Jin-Gon Oh

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0861

Abstract: There is provided a pixel, including an organic light emitting diode (OLED), a first transistor whose gate electrode is coupled to a first node, whose first electrode is coupled to a first power supply via a third node, and whose second electrode is coupled to an anode electrode of the OLED, a second transistor coupled between a data line and a second node and turned on when a scan signal is supplied to a scan line, a first capacitor coupled between the second node and a first voltage source, a third transistor coupled between the second node and the first node and turned on when a second control signal is supplied, and a fourth transistor coupled between the first node and the first power supply and turned on when a first control signal is supplied.

Abstract translation: 提供了一种像素，包括有机发光二极管（OLED），第一晶体管，其栅电极耦合到第一节点，其第一电极经由第三节点耦合到第一电源，并且其第二电极耦合 耦合到所述OLED的阳极电极，耦合在数据线和第二节点之间的第二晶体管，并且当扫描信号被提供给扫描线时被接通;耦合在所述第二节点和第一电压源之间的第一电容器， 耦合在第二节点和第一节点之间的晶体管，并且当提供第二控制信号时导通，以及第四晶体管，耦合在第一节点和第一电源之间，并且当提供第一控制信号时导通。

公开(公告)号：US09171505B2

公开(公告)日：2015-10-27

申请号：US13901510

申请日：2013-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Yeon Lee ,  Jeong-Keun Ahn

IPC: G06F3/038 ,  G09G5/00 ,  G09G3/32

CPC classification number: G09G3/3266 ,  G09G2300/0426 ,  G09G2310/0221 ,  G09G2310/0281

Abstract: A scan driving unit and OLED display device including the unit are disclosed. In one aspect, the unit includes a first pre-decoder block that receives upper scan-line selection signals for selecting one of upper scan-lines that are arranged in an upper display region of a display panel, and outputs first logic signals based on the upper scan-line selection signals. It also includes a second pre-decoder block that receives lower scan-line selection signals for selecting one of lower scan-lines that are arranged in a lower display region of the display panel, and outputs second logic signals based on the lower scan-line selection signals. It further includes a first final-decoder block coupled between the upper display region and the first pre-decoder block that selects one of the upper scan-lines based on the first logic signals, and a second final-decoder block coupled between the lower display region and the second pre-decoder block that selects one of the lower scan-lines based on the second logic signals.

Abstract translation: 公开了一种包括该单元的扫描驱动单元和OLED显示装置。 在一个方面，该单元包括第一预解码器块，其接收用于选择布置在显示面板的上部显示区域中的上部扫描线之一的上部扫描线选择信号，并且基于该第一预解码器块输出第一逻辑信号 上扫描线选择信号。 它还包括第二预解码器块，其接收用于选择布置在显示面板的下显示区域中的下扫描线之一的下扫描线选择信号，并且基于下扫描线输出第二逻辑信号 选择信号。 它还包括耦合在上显示区域和第一预解码器块之间的第一最终解码器块，其基于第一逻辑信号选择上扫描线之一，以及耦合在下显示器之间的第二终解码器块 区域和第二预解码器块，其基于第二逻辑信号选择下扫描线之一。

公开(公告)号：US09041704B2

公开(公告)日：2015-05-26

申请号：US14040522

申请日：2013-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Yeon Lee ,  Bo-Yong Chung ,  Yong-Jae Kim ,  Jung-Bae Kim

IPC: G09G3/32 ,  H01L27/32

CPC classification number: H01L27/3262 ,  G09G3/325 ,  G09G3/3291 ,  G09G2300/0465 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A pixel circuit for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a second transistor, a first capacitor connected to a second node and a fixed voltage source, a third transistor, a fourth transistor, a second capacitor connected to the fourth transistor and a third node, a first control transistor and a second control transistor. The fourth transistor is connected to the first and third nodes and is turned off when an emission control signal is supplied to an emission control line and turned on otherwise. The first control transistor is connected to the third node and the first power source and is turned on when a first control signal is supplied.

Abstract translation: 公开了一种用于有机发光二极管（OLED）显示器的像素电路。 一个创造性方面包括有机发光二极管，第一晶体管，第二晶体管，连接到第二节点的第一电容器和固定电压源，第三晶体管，第四晶体管，连接到第四晶体管的第二电容器和 第三节点，第一控制晶体管和第二控制晶体管。 第四晶体管连接到第一和第三节点，并且当发射控制信号被提供给发射控制线并且否则接通时，它被关断。 第一控制晶体管连接到第三节点和第一电源，并且当提供第一控制信号时被接通。

公开(公告)号：US20150035732A1

公开(公告)日：2015-02-05

申请号：US14158709

申请日：2014-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Yeon Lee ,  Yong-Jae Kim ,  Bo-Yong Chung

IPC: G09G3/32

CPC classification number: G09G3/3266

Abstract: A stage includes an output unit configured to supply a scan signal to an output terminal according to voltages of first and second nodes; a first driver configured to control the voltages of the first and second nodes so that when a start signal or an output signal of a previous stage is supplied to a first input terminal, the scan signal is supplied from the output unit; and a second driver configured to control the voltages of the first and second nodes, corresponding to signals supplied to a second input terminal, a fourth input terminal and a fifth input terminal, wherein the second driver comprises eighth and ninth transistors coupled in series between the output terminal and the second node, and wherein a gate electrode of the eighth transistor is coupled to the first node, and a gate electrode of the ninth transistor is coupled to the fourth input terminal.

Abstract translation: 阶段包括：输出单元，被配置为根据第一和第二节点的电压向扫描信号提供扫描信号; 第一驱动器，被配置为控制第一和第二节点的电压，使得当前一级的起始信号或输出信号被提供给第一输入端时，从输出单元提供扫描信号; 以及第二驱动器，被配置为控制对应于提供给第二输入端，第四输入端和第五输入端的信号的第一和第二节点的电压，其中第二驱动器包括第八和第九晶体管， 输出端子和第二节点，并且其中第八晶体管的栅极耦合到第一节点，并且第九晶体管的栅电极耦合到第四输入端子。

公开(公告)号：US20140354522A1

公开(公告)日：2014-12-04

申请号：US14041098

申请日：2013-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： BO-YONG CHUNG ,  Hae-Yeon Lee ,  Yong-Jae Kim

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/003 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0216 ,  G09G2310/063 ,  G09G2320/043

Abstract: A method of driving an OLED display includes: during a scanning period of a first frame, turning off a relay transistor and turning on a switching transistor to enable a second data voltage applied to a data line to be stored in a first capacitor; and during a light emitting period of the first frame, performing an operation to turn on a light emitting transistor and a compensation transistor to enable a voltage into which a first data voltage and a threshold voltage of a driving transistor are reflected to be applied to a second node for enabling the OLED to emit light by a driving current which flows into a driving transistor. The scanning period and the light emitting period temporally overlap each other.

Abstract translation: 驱动OLED显示器的方法包括：在第一帧的扫描周期期间，关闭继电器晶体管并接通开关晶体管，使施加到数据线的第二数据电压存储在第一电容器中; 并且在第一帧的发光周期期间，执行操作以接通发光晶体管和补偿晶体管，以使第一数据电压和驱动晶体管的阈值电压反映到其中的电压被施加到 第二节点，用于使OLED能够通过流入驱动晶体管的驱动电流发光。 扫描周期和发光周期在时间上彼此重叠。

公开(公告)号：US20140111563A1

公开(公告)日：2014-04-24

申请号：US13765670

申请日：2013-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-In Hwang ,  Hae-Yeon Lee

IPC: G09G3/32

CPC classification number: G09G3/003 ,  G09G3/2022 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2310/063 ,  G09G2320/0209 ,  G09G2320/043 ,  H04N13/341 ,  H04N13/398

Abstract: A stereoscopic image display device includes a display panel including a plurality of pixels, a scan driver, a gate driver, a data driver, and a controller, and a sub-frame includes a first period during which a data voltage according to an image data signal emitted in the previous sub-frame is initialized, a second period during which a data voltage according to the image data signal written in the previous sub-frame is transmitted and a threshold voltage of a driving transistor of each pixel is compensated, a third period during which a data voltage according to a next sub-frame's data signal is sequentially written to the respective pixels, and a fourth period that is concurrent with and equal to or longer than the third period and during which the respective pixels concurrently emit light corresponding to the data voltage according to the image data signal written in the previous sub-frame.

Abstract translation: 立体图像显示装置包括包括多个像素的显示面板，扫描驱动器，栅极驱动器，数据驱动器和控制器，并且子帧包括第一周期，在该第一周期期间，根据图像数据的数据电压 在先前子帧中发射的信号被初始化，在第二时段期间发送根据写入前一子帧的图像数据信号的数据电压，并补偿每个像素的驱动晶体管的阈值电压，第三周期 根据下一个子帧的数据信号的数据电压被顺序地写入各个像素的周期，以及与第三周期并发并且等于或大于第三周期的第四周期，并且在该周期期间，各个像素同时发光对应 根据写在前一子帧中的图像数据信号的数据电压。

公开(公告)号：US11805681B2

公开(公告)日：2023-10-31

申请号：US17192394

申请日：2021-03-04

Applicant: Samsung Display Co., LTD.

Inventor： Hae-Yeon Lee ,  Hyun-Chol Bang ,  Su Jin Kim ,  Bong Won Lee

IPC: H01L27/14 ,  H10K59/121 ,  G09G3/3233 ,  H10K59/131 ,  H01L29/786 ,  H01L27/12

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0209 ,  G09G2320/0219 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L29/7869 ,  H01L29/78675

Abstract: An emissive display device includes a polycrystalline semiconductor including a channel, source region, and drain region of a driving transistor disposed on a substrate. The device includes a gate electrode of the driving transistor overlapping the channel of the driving transistor, an oxide semiconductor including a channel, a source region, and a drain region of a second transistor disposed on the substrate, and a first connection electrode. The first connection electrode includes a first connector electrically connected to the gate electrode of the driving transistor, a second connector electrically connected to a second electrode of the second transistor, and a main body disposed between the first connector and the second connector. The device includes an initialization voltage line disposed on the substrate and applying an initialization voltage. The initialization voltage line surrounds at least a part of the second connector of the first connection electrode.

公开(公告)号：US10242626B2

公开(公告)日：2019-03-26

申请号：US14158709

申请日：2014-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Yeon Lee ,  Yong-Jae Kim ,  Bo-Yong Chung

IPC: G09G3/3266

Abstract: A stage includes an output unit configured to supply a scan signal to an output terminal according to voltages of first and second nodes; a first driver configured to control the voltages of the first and second nodes so that when a start signal or an output signal of a previous stage is supplied to a first input terminal, the scan signal is supplied from the output unit; and a second driver configured to control the voltages of the first and second nodes, corresponding to signals supplied to a second input terminal, a fourth input terminal and a fifth input terminal, wherein the second driver comprises eighth and ninth transistors coupled in series between the output terminal and the second node, and wherein a gate electrode of the eighth transistor is coupled to the first node, and a gate electrode of the ninth transistor is coupled to the fourth input terminal.

公开(公告)号：US10026798B2

公开(公告)日：2018-07-17

申请号：US14708116

申请日：2015-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Jae Kim ,  Bo-Yong Chung ,  Hae-Yeon Lee

IPC: H01L27/32 ,  G02F1/1362 ,  H01L29/423 ,  H01L23/60 ,  H01L27/02 ,  G09G3/3208 ,  H01L27/12

CPC classification number: H01L27/3276 ,  G02F1/136204 ,  G02F2202/22 ,  G09G3/3208 ,  G09G2330/04 ,  H01L23/60 ,  H01L27/0266 ,  H01L27/027 ,  H01L27/0296 ,  H01L27/1214 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/4232 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.

公开(公告)号：US09805820B2

公开(公告)日：2017-10-31

申请号：US14670708

申请日：2015-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Hae-Yeon Lee

IPC: G11C19/28 ,  G09G3/20

CPC classification number: G11C19/28 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08

Abstract: A scanline driver includes a shift register circuit and an output buffer. The shift register circuit provides a register output signal and a plurality of signals based on a scan input signal and a plurality of clock signals. The shift register circuit is arranged at at least one horizontal side of a pixel circuit region and includes a plurality of unit pixel circuits connected to a scanline. The output buffer provides a scanline enable signal to the scanline based on the register output signal and the plurality of signals. The output buffer is arranged at at least one vertical side of the pixel circuit region in a pixel array.