公开(公告)号：US11908848B2

公开(公告)日：2024-02-20

申请号：US17203496

申请日：2021-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan Lee ,  Sang Jun Park ,  Jeong Hyun Lee ,  Woong Hee Jeong ,  Kwang Taek Hong

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.

公开(公告)号：US11626075B2

公开(公告)日：2023-04-11

申请号：US17296001

申请日：2019-09-26

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP

Inventor： Tae Hoon Yang ,  Joon Ho Lee ,  Kee Chan Park ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/3266 ,  G09G3/3233

Abstract: A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.

公开(公告)号：US10658398B2

公开(公告)日：2020-05-19

申请号：US16036985

申请日：2018-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Chan Lee ,  Woong Hee Jeong ,  Tae Hoon Yang ,  Yong Su Lee

IPC: H01L27/12

Abstract: A display device includes a substrate, a buffer layer on the substrate, a first semiconductor layer of a first transistor on the buffer layer, a first insulating layer disposed on the first semiconductor layer, a first gate electrode of the first transistor on the first insulating layer, a second insulating layer on the first gate electrode, and a second semiconductor layer of a second transistor disposed on the second insulating layer. A difference between a first distance between a lower side of the buffer layer and an upper side of the second insulating layer and a second distance between an upper side of the first semiconductor layer and an upper side of the second insulating layer is 420 to 520 angstroms.

公开(公告)号：US11942574B2

公开(公告)日：2024-03-26

申请号：US17462633

申请日：2021-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Seung Jin Chu ,  Je Min Lee ,  Hyun Kim ,  Myeong Hun Song ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/10

CPC classification number: H01L33/387 ,  H01L33/005 ,  H01L33/10

Abstract: A display device includes a first electrode disposed on a substrate, a first insulating film disposed on the first electrode and having a first opening formed, a second insulating film disposed on the first insulating film and having a second opening, and a contact electrode electrically contacting at least a portion of the first electrode through the first opening and the second opening, wherein a side surface of the first insulating film defines the first opening, and the second insulating film overlaps the side surface of the first insulating film such that the contact electrode and the first insulating film are not in contact with each other.

公开(公告)号：US11476316B2

公开(公告)日：2022-10-18

申请号：US17290847

申请日：2019-04-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Hoon Yang ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3233 ,  H01L27/12

Abstract: A pixel including: a light emitting element; a first transistor between a first node and the light emitting element to control current flowing from a first driving power source through the light emitting element to a second driving power source; a second transistor between a data line and the first transistor, and tamed on by a first scan signal; a third transistor between the first transistor and first node, and turned on by the first scan signal; and a fourth transistor between an initialization power line and the first node, and turned on by a second scan signal, wherein the fourth transistor is a tunneling field effect transistor including a source and drain area that are spaced apart from each other and have opposite conductivities, a channel area between the source area and drain area, and a gate electrode on the channel area with a gate insulating layer therebetween.

公开(公告)号：US20190280072A1

公开(公告)日：2019-09-12

申请号：US16296755

申请日：2019-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Woong Hee Jeong ,  Tae Hoon Yang ,  Jong Chan Lee

IPC: H01L27/32 ,  G09G3/3233

Abstract: A transistor substrate may include a base substrate, and a switching transistor and a driving transistor provided on the base substrate. The driving transistor includes: an active pattern provided on the base substrate and including a source region, a drain region spaced apart from the source region, and a channel region provided between the source region and the drain region; a gate electrode at least partially overlapping the active pattern; a gate insulating film provided between the active pattern and the gate electrode; a source electrode insulated from the gate electrode and connected to the source region; a drain electrode insulated from the gate electrode and connected to the drain region; and at least one dummy hole adjacent to the channel region.

公开(公告)号：US10388794B2

公开(公告)日：2019-08-20

申请号：US15018058

申请日：2016-02-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Chan Lee ,  Woong Hee Jeong ,  Dae Ho Kim ,  Young Ki Shin ,  Yoon Ho Khang ,  Myoung Geun Cha

IPC: H01L27/12 ,  G09G3/3233 ,  H01L29/786

Abstract: A display device according to an exemplary embodiment of the present invention includes: a substrate; a plurality of transistors formed on the substrate; and a light-emitting device connected to the plurality of transistors, wherein the transistor includes a gate electrode, the plurality of transistors include a first transistor and a second transistor of which lateral wall slope angles of the gate electrode are different from each other, and the first transistor further includes a doping control member formed on a lateral wall of the gate electrode.

公开(公告)号：US20230411371A1

公开(公告)日：2023-12-21

申请号：US18110101

申请日：2023-02-15

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan Lee ,  Jin Taek Kim ,  Jeong Su Park ,  Sung Jin Lee ,  Hyun Wook Lee ,  Woong Hee Jeong

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L33/62 ,  H01L27/124

Abstract: A display device includes a bank layer disposed on a substrate and defining an emission area, a first to sixth alignment electrodes, each disposed on the substrate extending across the emission area, spaced apart from each other, and sequentially arranged in a direction, a first light emitting element disposed between the first alignment electrode and the second alignment electrode in the emission area and emitting first light, a second light emitting element disposed between the third alignment electrode and the fourth alignment electrode in the emission area and emitting second light, and a third light emitting element disposed between the fifth alignment electrode and the sixth alignment electrode in the emission area and emitting third light. Wavelengths of the first light, the second light, and the third light are different from each other.

公开(公告)号：US11276352B2

公开(公告)日：2022-03-15

申请号：US17075472

申请日：2020-10-20

Applicant: Samsung Display Co., LTD. ,  Konkuk University Industrial Cooperation Corp

Inventor： Tae Hoon Yang ,  Joon Ho Lee ,  Kee Chan Park ,  Ki Bum Kim ,  Hyang A Park ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/3266 ,  G09G3/20

Abstract: A display device includes: a plurality of pixels, each of which is connected to a corresponding one of a plurality of scan lines, and a scan driver including a plurality of stages, each of which supplies a scan signal to a corresponding one of the scan lines, each of the stages includes: a node controller which supplies a second output signal of a previous stage to a first node based on an input signal of a first clock terminal or a first output signal of the previous stage, a first inverter connected between the first node and a second node, a buffer which supplies a voltage of the second node to a first output terminal based on an input signal of a second clock terminal, and a second inverter connected between the first output terminal and a second output terminal.

公开(公告)号：US10777137B2

公开(公告)日：2020-09-15

申请号：US16372296

申请日：2019-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon Yang ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

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

Abstract: A pixel including a light emitting element, a first transistor connected between a first node and the light emitting element to control current flowing from a first power supply to a second power supply, a second transistor connected between a data line and the first transistor to be turned on by an ith first scan signal, a third transistor including a P-type TFT connected between the first transistor and the first node to be turned on by the ith first scan signal and, a fourth transistor including an N-type TFT connected between the first node and an initialization power supply line to be turned on by an i−1th scan signal, and a first connection line connected between the third and fourth transistors to electrically connect semiconductor patterns thereof, in which the first connection line is disposed on the third and fourth transistors and contacts the semiconductor patterns thereof.