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1. 发明公开

US20240194127A1 DISPLAY DEVICE AND A TILED DISPLAY DEVICE INCLUDING THE SAME 审中-公开
公开(公告)号：US20240194127A1
公开(公告)日：2024-06-13
申请号：US18486985
申请日：2023-10-13
申请人： Samsung Display Co., Ltd.
发明人： Sang Jin JEON , Min Chul SHIN , Jung Hwan HWANG , Sung Hwan KIM , Ji Youn SEO , Kye Uk LEE
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/026 , G09G2310/0275 , G09G2310/0297 , G09G2310/08 , G09G2320/0209
摘要： Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

2. 发明申请

US20220397974A1 DISPLAY DEVICE 有权
公开(公告)号：US20220397974A1
公开(公告)日：2022-12-15
申请号：US17821455
申请日：2022-08-22
申请人： SAMSUNG DISPLAY CO., LTD.
发明人： Do Ik KIM , Gwang Bum KO , Sung Hwan KIM
IPC分类号： G06F3/041 , H01L27/32 , H01L41/113 , H01L51/52 , G06F3/043
摘要： A display device that senses externally applied pressure and a change in the resonant frequency of a piezoelectric element. The display device includes a piezoelectric sensor layer including a piezoelectric sensor; and a display panel disposed on the piezoelectric sensor layer. The piezoelectric sensor includes: a piezoelectric element having a first electrode, a second electrode facing the first electrode, and a piezoelectric material disposed between the first electrode and the second electrode; an alternating current (AC) voltage generator connected to the first electrode and applies a voltage having a resonance frequency to the piezoelectric element. A sensing circuit connected to the second electrode is configured to measure a change in impedance of the piezoelectric element.

3. 发明申请

US20210295768A1 SCAN DRIVER 有权
公开(公告)号：US20210295768A1
公开(公告)日：2021-09-23
申请号：US17339808
申请日：2021-06-04
申请人： Samsung Display Co., Ltd.
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/32
摘要： A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

4. 发明申请

US20200211467A1 STAGE FOR A DISPLAY DEVICE AND SCAN DRIVER HAVING THE SAME 审中-公开
公开(公告)号：US20200211467A1
公开(公告)日：2020-07-02
申请号：US16708344
申请日：2019-12-09
申请人： Samsung Display Co., Ltd.
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/3266 , G09G3/3291 , G09G3/3233
摘要： A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.

5. 发明申请

US20200175913A1 SCAN DRIVER 审中-公开
公开(公告)号：US20200175913A1
公开(公告)日：2020-06-04
申请号：US16697690
申请日：2019-11-27
申请人： Samsung Display Co., Ltd.
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/32
摘要： A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.

6. 发明申请

US20200066212A1 PIXEL CIRCUIT 审中-公开
公开(公告)号：US20200066212A1
公开(公告)日：2020-02-27
申请号：US16505708
申请日：2019-07-09
申请人： Samsung Display Co., Ltd.
发明人： Sung Hwan KIM , Sang Moo CHOI , Dae Hyun KIM , Soo Hee OH , Dong Sun LEE
IPC分类号： G09G3/3266
摘要： A pixel circuit includes: an organic light emitting diode (OLED); a first transistor having first and second electrodes and a first gate electrode; a second transistor connected between a data line and the first electrode, controlled by a first scan line; a third transistor connected between the second electrode and the a electrode of the first transistor, controlled by the first scan line; a fourth transistor connected between the first gate electrode and a first initialization voltage line, controlled by a second scan line; a fifth transistor connected between a power line and first electrode, controlled by a first emission line; a sixth transistor connected between the second electrode and the OLED and controlled by a second emission line; and a storage capacitor connected between the first gate electrode and the power line, wherein the first emission line and the second emission line are located at different nodes.

7. 发明申请

US20180005573A1 STAGE AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME 审中-公开
公开(公告)号：US20180005573A1
公开(公告)日：2018-01-04
申请号：US15626305
申请日：2017-06-19
申请人： SAMSUNG DISPLAY CO., LTD.
发明人： Sung Hwan KIM , Jun Hyun PARK , Kyoung Ju SHIN
IPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3275
摘要： A stage includes first, second, and third outputs and first and second signal processors. The first output supplies a scan signal to a first output terminal based on signals to first and second input terminals and the voltage of a first node. The second output is connected to a first power source and supplies an emission control signal to a second output terminal based on signals to the first input terminal, the first output terminal, and a third input terminal. The third output is connected to the first power source and supplies an inverted emission control signal to a third output terminal based on signals to the first input terminal and second output terminal. The first signal processor controls the first node voltage based on a signal to a fourth input terminal. The second signal processor controls the first node voltage based on the signal to the second input terminal.

8. 发明申请

US20170271382A1 LIQUID CRYSTAL DISPLAY 审中-公开
公开(公告)号：US20170271382A1
公开(公告)日：2017-09-21
申请号：US15617205
申请日：2017-06-08
申请人： SAMSUNG DISPLAY CO., LTD.
发明人： Se Hyoung CHO , Il Gon KIM , Sung Hwan KIM , Mee Hye JUNG
IPC分类号： H01L27/12 , H01L29/417 , H01L29/423 , G09G3/36
CPC分类号： H01L27/1288 , G09G3/3648 , G09G2300/0426 , G09G2320/0285 , G09G2360/16 , H01L27/1222 , H01L27/124 , H01L29/41733 , H01L29/42384
摘要： A liquid crystal display includes a first pixel and a second pixel that extend in a data line direction. The first and second pixels are connected to a same data line, and the first pixel is closer to a data driver than the second pixel. A channel width of a thin film transistor of the first pixel is less than a channel width of a thin film transistor of the second pixel.

9. 发明申请

US20170061914A1 SCAN DRIVER 有权
标题翻译：扫描驱动器
公开(公告)号：US20170061914A1
公开(公告)日：2017-03-02
申请号：US15092466
申请日：2016-04-06
申请人： Samsung Display Co., Ltd.
发明人： Jun Hyun PARK , Keum Nam KIM , Sung Hwan KIM , Kyoung Ju SHIN
IPC分类号： G09G3/36
CPC分类号： G09G3/20 , G09G2310/0267 , G09G2310/0286
摘要： In a scan driver including a plurality of stages configured to supply scan signals to scan lines, the scan driver includes: an i−1th stage configured to supply an i−1th scan signal to an i−1th scan line while controlling a node Qi−1 (i is a natural number) in response to a first clock signal, a third clock signal, and a control voltage; an ith stage configured to supply an ith scan signal to an ith scan line while controlling a node Qi in response to a second clock signal, a fourth clock signal, and the control voltage; and a controller connected to the i−1th stage and the ith stage, and configured to supply the control voltage.
摘要翻译：在包括被配置为向扫描线提供扫描信号的多个级的扫描驱动器中，扫描驱动器包括：第i级，被配置为将第i-1扫描信号提供给第i-1条扫描线，同时控制节点Qi- 1（i是自然数），响应于第一时钟信号，第三时钟信号和控制电压; 第i级，被配置为响应于第二时钟信号，第四时钟信号和控制电压控制节点Qi，将第i扫描信号提供给第i扫描线; 以及连接到第i级和第i级的控制器，并且被配置为提供控制电压。

10. 发明申请

US20160307537A1 STAGE CIRCUIT AND SCAN DRIVER USING THE SAME 审中-公开
标题翻译：阶段电路和扫描驱动器使用它
公开(公告)号：US20160307537A1
公开(公告)日：2016-10-20
申请号：US15042029
申请日：2016-02-11
申请人： Samsung Display Co., Ltd
发明人： Jun Hyun PARK , Sung Hwan KIM , Se Young SONG , Kyoung Ju SHIN , Jae Keun LIM
IPC分类号： G09G3/36 , H03K17/687
CPC分类号： G09G3/3677 , G09G3/20 , G09G2300/0465 , G09G2310/0267 , G09G2310/0286 , G09G2310/0289 , G11C19/28 , H03K17/6871
摘要： There is provided a stage circuit capable of minimizing a mounting area. The stage circuit includes: an output unit configured to supply a voltage of a first node, an i-th (i is a natural number) carry signal, and to supply an i-th scan signal in response to the voltage of the first node, a voltage of a second node, and a first clock signal, a controller configured to control the voltage of the second node in response to the first clock signal; a pull-up unit configured to control the voltage of the first node in response to a carry signal of a previous stage and a voltage of a first node of the previous stage, and a pull-down unit configured to control the voltage of the first node in response to the voltage of the second node and a carry signal of a next stage.
摘要翻译：提供能够最小化安装面积的平台电路。舞台电路包括：输出单元，被配置为提供第一节点的电压，第i（i是自然数）进位信号，并且响应于第一节点的电压提供第i个扫描信号，第二节点的电压和第一时钟信号，被配置为响应于第一时钟信号来控制第二节点的电压的控制器; 上拉单元，被配置为响应于前一级的进位信号和前一级的第一节点的电压来控制第一节点的电压;以及下拉单元，被配置为控制第一节点的电压响应于第二节点的电压和下一级的进位信号。

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