公开(公告)号：US20230326408A1

公开(公告)日：2023-10-12

申请号：US18335107

申请日：2023-06-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONGWOO KIM ,  SUNGHWAN KIM ,  KYOUNGJU SHIN ,  CHEOL-GON LEE ,  SANG-UK LIM

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18 ,  H10K59/131 ,  H10K59/121

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/1222 ,  G01N11/02 ,  G01N27/4161 ,  G01N27/4166 ,  G01N33/18 ,  H10K59/131 ,  H10K59/1216 ,  G09G2320/0219 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1255 ,  H01L29/7869

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20230290307A1

公开(公告)日：2023-09-14

申请号：US18120104

申请日：2023-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： KYOUNGJU SHIN ,  YANGSOO KIM ,  JUNGKOOK PARK ,  JAEYOUNG OH ,  WOOJIN LEE ,  JAEHO JUNG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  H10K59/35

Abstract: A pixel circuit of a display device includes first to sixth thin-film transistors, and first and second capacitors. The first thin-film transistor generates a driving current, the sixth thin-film transistor is connected between a light-emitting element and the first thin-film transistor and controls a transfer of the driving current, and the second capacitor is connected between a gate electrode of the sixth thin-film transistor and the light-emitting element.

公开(公告)号：US20240420638A1

公开(公告)日：2024-12-19

申请号：US18821615

申请日：2024-08-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONGWOO KIM ,  SUNGHWAN KIM ,  KYOUNGJU SHIN ,  CHEOL-GON LEE ,  SANG-UK LIM

IPC: G09G3/3233 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  H01L29/786 ,  H10K59/121 ,  H10K59/131

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20210293771A1

公开(公告)日：2021-09-23

申请号：US17341683

申请日：2021-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONGWOO KIM ,  SUNGHWAN KIM ,  KYOUNGJU SHIN ,  CHEOL-GON LEE ,  SANG-UK LIM

IPC: G01N33/18 ,  G01N27/416 ,  G01N11/02

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20200265782A1

公开(公告)日：2020-08-20

申请号：US16869789

申请日：2020-05-08

Applicant: SAMSUNG DISPLAY CO., LTD

Inventor： DONGWOO KIM ,  SUNGHWAN KIM ,  KYOUNGJU SHIN ,  CHEOL-GON LEE ,  SANG-UK LIM

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels Includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes, a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor, The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

公开(公告)号：US20250046249A1

公开(公告)日：2025-02-06

申请号：US18763160

申请日：2024-07-03

Applicant: Samsung Display Co., LTD.

Inventor： KYOUNGJU SHIN ,  SUYUL SEO ,  JEONG-SOO LEE

IPC: G09G3/3233 ,  H01L27/12

Abstract: A display device includes a plurality of pixels where each pixel includes a first transistor connected between a first node and a second node, and including a gate electrode connected to a third node, a second transistor connected between a data line and the first node, and including a gate electrode, a third transistor connected between the second node and the third node, and including a gate electrode, a fourth transistor connected between a first initialization voltage line and the third node, and including a gate electrode, a fifth transistor connected between a first power line and the first node, and including a gate electrode, a sixth transistor connected between the second node and a fourth node, and including a gate electrode, a storage capacitor connected between the third node and the first power line, and a light emitting element connected between the fourth node and a second power line.

公开(公告)号：US20240013730A1

公开(公告)日：2024-01-11

申请号：US18321099

申请日：2023-05-22

Applicant: Samsung Display Co., LTD.

Inventor： MOONSANG HWANG ,  KYOUNGJU SHIN

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2340/04 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/045 ,  G09G2330/021

Abstract: A display device includes a display panel including pixels, and a first gate driver including first stages that output first carry signals, respectively, and first buffers that output first gate signals, respectively, and providing the first gate signals to the pixels. In case that the display panel includes a first display area and a second display area, the pixels disposed in the first display area are driven at a first frequency, and the pixels disposed in the second display area are driven at a second frequency; a first gate signal among the first gate signals output from a first buffer corresponding to the first display area is provided to the pixels disposed in the first display area, a first buffer corresponding to the second display area does not output the first gate signal, and the first gate signal is not provided to the pixels disposed in the second display area.

公开(公告)号：US20160293118A1

公开(公告)日：2016-10-06

申请号：US14863823

申请日：2015-09-24

Applicant: SAMSUNG DISPLAY CO, LTD.

Inventor： JUNHYUN PARK ,  SUNGHWAN KIM ,  SEYOUNG SONG ,  KYOUNGJU SHIN

IPC: G09G3/36 ,  G02F1/1333 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133345 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/20 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2320/0223 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1255

Abstract: A display device includes a plurality of pixels. Each pixel includes a transistor connected to a corresponding gate line of a plurality of gate lines and a corresponding data line of a plurality of data lines, and a liquid crystal capacitor connected to the transistor. The display device further includes a plurality of switch transistors receiving data voltages and selectively applying the data voltages to odd-numbered data lines and even-numbered data lines of the data lines, and an insulating layer disposed on the transistors and the switch transistors. The insulating layer disposed on a conductive channel of each of the transistors has a first thickness, and the insulating layer disposed on a conductive channel of each of the switch transistors has a second thickness larger than the first thickness.

Abstract translation: 显示装置包括多个像素。 每个像素包括连接到多条栅极线的对应栅极线和多条数据线的对应数据线的晶体管，以及连接到晶体管的液晶电容器。 显示装置还包括接收数据电压并选择性地将数据电压施加到数据线的奇数数据线和偶数数据线的多个开关晶体管，以及设置在晶体管和开关晶体管上的绝缘层。 设置在每个晶体管的导电沟道上的绝缘层具有第一厚度，并且设置在每个开关晶体管的导电沟道上的绝缘层具有大于第一厚度的第二厚度。

公开(公告)号：US20230186832A1

公开(公告)日：2023-06-15

申请号：US17968571

申请日：2022-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： KYOUNGJU SHIN ,  DOHYUN KANG ,  YANGSOO KIM ,  JUNGKOOK PARK ,  MOONSANG HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2310/0278 ,  G09G2300/0842 ,  G09G2320/0626

Abstract: A pixel circuit includes a light emitting element, a driving transistor, a first emission transistor applying a first power voltage to the driving transistor in response to a first emission signal, a second emission transistor applying the driving current to the light emitting element in response to a second emission signal, a first initialization transistor applying a first initialization voltage to an anode electrode of the light emitting element in response to the second emission signal, a data write transistor, a compensation transistor, a second initialization transistor, and a storage capacitor. A first off-duty ratio which is a ratio of a high voltage level period of the first emission signal in one frame is determined according to a set luminance level, and a second off-duty ratio which is a ratio of a high voltage level period of the second emission signal in the one frame is fixed.

公开(公告)号：US20160307524A1

公开(公告)日：2016-10-20

申请号：US14965221

申请日：2015-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUNHYUN PARK ,  KYOUNGJU SHIN

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G2300/0413 ,  G09G2300/0452 ,  G09G2310/0297 ,  G09G2320/0223

Abstract: A display apparatus includes a plurality of gate lines, a plurality of data lines, wherein the plurality of data lines includes a plurality of first and second data line pairs, a plurality of pixels connected to the gate lines and the data lines, driving lines connected to the second data lines, a plurality of switching elements connected to the first data lines and the driving lines, and a plurality of dummy elements respectively connected to a corresponding pair of the first and second data lines, wherein the switching elements and the dummy elements are turned on in response to a switching signal.

Abstract translation: 显示装置包括多条栅极线，多条数据线，其中多条数据线包括多条第一和第二数据线对，连接到栅极线和数据线的多个像素，连接的驱动线 连接到第二数据线的多个开关元件连接到第一数据线和驱动线，以及分别连接到相应的第一和第二数据线对的多个虚设元件，其中开关元件和虚设元件 响应于开关信号而导通。