公开(公告)号：US20200294434A1

公开(公告)日：2020-09-17

申请号：US16885995

申请日：2020-05-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Kyu LEE ,  Tae Hoon KWON ,  Ji-Hyun KA ,  Won Kyu KWAK ,  Dong Soo KIM ,  Han-Sung BAE ,  Hey Jin SHIN ,  Seung Ji CHA

IPC: G09G3/00

Abstract: A display device includes a peripheral area around a display area, a plurality of pixels in the display area, and a plurality of signal lines connected to the pixels. The signal lines include a plurality of data lines connected to the pixels, a crack detection line connected to first data lines among the data lines through a first transistor, and a control line connected to a gate of the first transistor. The crack detection line is in the peripheral area.

公开(公告)号：US20240282247A1

公开(公告)日：2024-08-22

申请号：US18436372

申请日：2024-02-08

Applicant: Samsung Display Co., LTD.

Inventor： Soon-Gi KWON ,  Min Woo BYUN ,  Ji-Hyun KA ,  MINJOO KIM ,  Seon I JEONG ,  Chae Han HYUN ,  SUNGCHAN HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0243 ,  G09G2310/08

Abstract: A light emitting display device includes multiple pixels arranged in multiple pixel rows, a first scan signal generator that provides a first scan signal to the pixels in the pixel rows, a second scan signal generator that provides a second scan signal to the pixels in the pixel rows, a third scan signal generator that provides a third scan signal to the pixels in the pixel rows, and a light emission signal generator that provides a light emission signal to the pixels in the pixel rows. Each of the second scan signal generator, the third scan signal generator, and the light emission signal generator provides a same signal to the pixels in two of the pixel rows.

公开(公告)号：US20220085136A1

公开(公告)日：2022-03-17

申请号：US17532253

申请日：2021-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan KIM ,  Won Kyu KWAK ,  Sang Moo CHOI ,  Ji-Hyun KA ,  Chul Kyu KANG ,  Dong Wook KIM ,  Won Se LEE

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56

Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.

公开(公告)号：US20230326399A1

公开(公告)日：2023-10-12

申请号：US18170508

申请日：2023-02-16

Applicant: Samsung Display Co., LTD.

Inventor： MINKU LEE ,  Ji-Hyun KA ,  Chul Kyu KANG ,  SEUNGHEE LEE ,  Hai-Jung IN ,  HYEONGJUN JIN ,  Hyun Ji CHA

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0275 ,  G09G2300/0842

Abstract: An emissive display device includes: a light emitting diode; an n-type driving transistor comprising a first driving gate electrode, a first electrode receiving a driving voltage, a second electrode transferring an output current to the anode, and a second driving gate electrode; a second transistor connected to a data line; a third transistor configured to connect the first electrode and the first driving gate electrode of the driving transistor; a storage capacitor comprising a first storage electrode and a second storage electrode connected to the first driving gate electrode; a ninth transistor transferring an overlapping electrode voltage to the second driving gate electrode; an overlapping electrode voltage line crossing the data line and receiving the overlapping electrode voltage; and a shielding electrode at an intersection of the data line and the overlapping electrode voltage line and between the data line and the overlapping electrode voltage line.

公开(公告)号：US20210202656A1

公开(公告)日：2021-07-01

申请号：US17090056

申请日：2020-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun KA ,  Taehoon KWON ,  Ji-Eun LEE ,  MINHEE CHOI

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes: a base layer comprising a first portion, a second portion extending from the first portion, and a third portion extending from the second portion; a first light emitting element disposed on the first portion; a first front signal line electrically connected to the first light emitting element and disposed on the first portion; a second front signal line electrically connected to the first front signal line, disposed on the first portion, disposed in a different layer from the first front signal line, and overlapping the first front signal line; a first connection line electrically connected to the first and second front signal lines, disposed on the second portion, and disposed in a different layer from the first and second front signal lines; and a first rear signal line electrically connected to the first connection line and disposed on the third portion.

公开(公告)号：US20200161407A1

公开(公告)日：2020-05-21

申请号：US16689860

申请日：2019-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun KA ,  Tae Geun KIM ,  Ki Myeong EOM

IPC: H01L27/32 ,  G09G3/3225

Abstract: An exemplary embodiment provides an organic light emitting diode display including a substrate, a bridge electrode disposed on the substrate, a buffer layer which covers the bridge electrode, a semiconductor layer disposed on the buffer layer, a first gate insulating layer which covers the semiconductor layer in a plan view, a first gate conductor disposed on the first gate insulating layer and which includes a first gate electrode, a second gate insulating layer which covers the first gate conductor, a second gate conductor disposed on the second gate insulating layer, an interlayer-insulating layer which covers the second gate conductor, and a data line disposed on the interlayer-insulating layer. The first gate electrode is directly connected to the bridge electrode, the semiconductor layer is electrically connected to the bridge electrode, and a capacitance exists between the data line and the bridge electrode.

公开(公告)号：US20200161400A1

公开(公告)日：2020-05-21

申请号：US16689564

申请日：2019-11-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hyun KA ,  Tae Geun KIM ,  Gyeong-Im LEE

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233

Abstract: A display device includes a first display area including a plurality of first pixel electrodes, and a second display area including a plurality of second pixel electrodes. A first pitch in a first direction of the plurality of first pixel electrodes is smaller than a second pitch in the first direction of the plurality of second pixel electrodes, and a length in the first direction of the first pixel electrodes is smaller than a length in the first direction of the second pixel electrode.

公开(公告)号：US20140111407A1

公开(公告)日：2014-04-24

申请号：US13769962

申请日：2013-02-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae-Hoon KWON ,  Ji-Hyun KA

IPC: G09G3/00

CPC classification number: G09G3/006 ,  G09G3/3208 ,  G09G2380/02 ,  H01L27/3244 ,  H01L27/3276 ,  H01L27/3288 ,  H01L27/3297 ,  H01L51/0031 ,  H01L51/0097 ,  H01L51/524 ,  H01L51/5253 ,  H01L2251/5338 ,  H01L2251/566

Abstract: An organic light emitting display device and a testing method thereof for detecting a failure occurring in a cutting process of a protective film attached to an upper end of a panel. The organic light emitting display device includes a first substrate on which a pixel unit and a tester are formed. The pixel unit includes a plurality of pixels positioned at intersection portions of scan lines and data lines, and the tester includes a plurality of transistors coupled to the respective data lines so as to supply test signals to the data lines. The transistors are divided into at least two groups, so that transistors of one group are turned on/off by a first test control line, and transistors of another group are turned on/off by a second test control line, the first and second test control lines being disposed on opposite sides of the substrate.

Abstract translation: 一种有机发光显示装置及其测试方法，用于检测安装在面板上端的保护膜的切割过程中发生的故障。 有机发光显示装置包括形成像素单元和测试器的第一基板。 像素单元包括位于扫描线和数据线的交叉部分的多个像素，并且测试仪包括耦合到相应数据线的多个晶体管，以便向数据线提供测试信号。 晶体管被分成至少两组，使得一组的晶体管由第一测试控制线导通/断开，另一组的晶体管由第二测试控制线导通/断开，第一和第二测试 控制线设置在基板的相对侧上。

公开(公告)号：US20230371325A1

公开(公告)日：2023-11-16

申请号：US18225793

申请日：2023-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Hyun KA ,  Tae Geun KIM ,  Ki Myeong EOM

IPC: H01L51/00 ,  G09G3/3225 ,  H01L27/12

CPC classification number: H10K59/131 ,  H10K59/1216 ,  G09G3/3225 ,  H10K59/1213 ,  G09G2300/08 ,  G09G2300/0426 ,  G09G2320/0209 ,  H01L27/1214

Abstract: An exemplary embodiment provides an organic light emitting diode display including a substrate, a bridge electrode disposed on the substrate, a buffer layer which covers the bridge electrode, a semiconductor layer disposed on the buffer layer, a first gate insulating layer which covers the semiconductor layer in a plan view, a first gate conductor disposed on the first gate insulating layer and which includes a first gate electrode, a second gate insulating layer which covers the first gate conductor, a second gate conductor disposed on the second gate insulating layer, an interlayer-insulating layer which covers the second gate conductor, and a data line disposed on the interlayer-insulating layer. The first gate electrode is directly connected to the bridge electrode, the semiconductor layer is electrically connected to the bridge electrode, and a capacitance exists between the data line and the bridge electrode.

公开(公告)号：US20230314853A1

公开(公告)日：2023-10-05

申请号：US18129842

申请日：2023-04-01

Applicant: Samsung Display Co., LTD.

Inventor： Huigyeong YUN ,  Ji-Hyun KA

IPC: G02F1/13 ,  G02F1/13357 ,  G02F1/1343 ,  H10K59/80

CPC classification number: G02F1/1323 ,  G02F1/133621 ,  G02F1/134309 ,  G02F1/13439 ,  H10K59/879 ,  H10K59/12

Abstract: A display device includes a substrate including a first pixel area and a second pixel area, a display panel disposed on the substrate and including a first light-emitting diode emitting a first light having a first color and overlapping the first pixel area and a second light-emitting diode emitting a second light having the first color and overlapping the second pixel area, a first pixel electrode which is disposed on the display panel and overlaps the first pixel area, and in which first slits are defined, a second pixel electrode which is disposed on the display panel, is spaced apart from the first pixel electrode, and overlaps the second pixel area, and in which second slits extending in a direction different from the first slits are defined, a common electrode layer and a liquid crystal layer disposed between the first and second pixel electrodes and the common electrode layer and including a plurality of liquid crystal molecules.