公开(公告)号：US12159957B2

公开(公告)日：2024-12-03

申请号：US17533835

申请日：2021-11-23

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun Song ,  Hyun Kim ,  Jeong Su Park ,  Jong Chan Lee ,  Hyun Wook Lee

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/62

Abstract: A display device includes an electrode layer including a first electrode; and a second electrode; light emitting elements on the electrode layer; an insulating layer on the light emitting elements and including openings exposing at least one of ends of a part of the light emitting elements; and a contact electrode corresponding to each of the openings, the insulating layer includes a fixing pattern between the first electrode and the second electrode; a division pattern intersecting the fixing pattern; a connection pattern connecting a first end of the fixing pattern to a first end of the division pattern; and a base portion surrounding the fixing pattern, the division pattern, and the connection pattern, the base portion is connected to a second end of the fixing pattern and a second end of the division pattern and spaced apart from the connection pattern.

公开(公告)号：US12087882B2

公开(公告)日：2024-09-10

申请号：US17397448

申请日：2021-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun Song ,  Jong Hwan Cha ,  Ki Nyeng Kang ,  Hee Jung Yoon ,  Sung Jin Lee ,  Jong Chan Lee ,  Tae Hee Lee ,  Kyung Ah Choi ,  Seung Jin Chu

IPC: H01L33/38 ,  H01L25/075 ,  H01L27/15 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.

公开(公告)号：US11978835B2

公开(公告)日：2024-05-07

申请号：US17475996

申请日：2021-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Kim ,  Jeong Su Park ,  Myeong Hun Song ,  Sang Hoon Lee ,  Jong Chan Lee

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/38 ,  H01L33/62 ,  H01L33/44

CPC classification number: H01L33/54 ,  H01L25/167 ,  H01L33/38 ,  H01L33/62 ,  H01L33/44 ,  H01L2933/0016 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A display device includes a substrate; a first electrode and a second electrode disposed in an emission area and a sub-region and spaced apart from each other in a first direction; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer in the emission area, and including ends disposed on the first and second electrodes, respectively; and a second insulating layer disposed on the first insulating layer. The second insulating layer includes a fixing pattern; a support pattern portion; and a connection portion electrically connecting the fixing pattern and the support pattern portion, and the fixing pattern includes a first region that contacts an outer surface of the light emitting elements and a second region that does not contact the outer surface of the light emitting elements.

公开(公告)号：US11917881B2

公开(公告)日：2024-02-27

申请号：US17944717

申请日：2022-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Woong Hee Jeong ,  Ki Bum Kim ,  Jin Yeong Kim ,  Hyang A Park ,  Tae Hoon Yang ,  Jong Chan Lee

IPC: H10K50/84 ,  H10K59/12 ,  H10K59/30 ,  G02F1/13 ,  H10K50/844 ,  H10K59/122 ,  G02F1/1335 ,  G02F1/1362 ,  H10K59/127 ,  H10K102/00

CPC classification number: H10K59/30 ,  H10K50/844 ,  H10K59/122 ,  G02F1/133512 ,  G02F1/136209 ,  H10K59/1275 ,  H10K2102/00

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

公开(公告)号：US11817432B2

公开(公告)日：2023-11-14

申请号：US17313490

申请日：2021-05-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun Bae ,  Jeong Nyun Kim ,  Zu Seok Oh ,  Jeong Hyun Lee ,  Jong Chan Lee ,  Da Sol Jeong

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/58 ,  H01L33/60 ,  H01L33/50

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/507 ,  H01L33/58 ,  H01L33/60 ,  H01L2933/0091

Abstract: A display device includes a base layer including a display area, a first pixel, a second pixel, and a third pixel disposed in the display area and including light-emitting elements disposed in light-emitting areas, a first light conversion layer, a second light conversion layer, and a third light conversion layer on the light-emitting areas of the first pixel, the second pixel, and the third pixel, respectively, a light blocking layer between the first, second and third light conversion layers, and having a height lower than the first, second, and third light conversion layers, the light blocking layer surrounding a portion of side surfaces of the first, second and third light conversion layers, and a first reflective layer disposed on the light blocking layer and surrounding the first, second and third light conversion layers.

公开(公告)号：US11705478B2

公开(公告)日：2023-07-18

申请号：US17179906

申请日：2021-02-19

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan Lee ,  Jeong Nyun Kim ,  Jung Gun Nam ,  Sung Geun Bae ,  Sung Jin Lee ,  Tae Hee Lee

IPC: H01L27/15 ,  H01L25/075 ,  H01L33/38 ,  H01L33/58

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L33/38 ,  H01L33/58

Abstract: A display device includes a first pixel including a first light emitting area in which first light emitting elements are arranged, a second pixel including a second light emitting area in which second light emitting elements are arranged, a light blocking pattern disposed on the first and second pixels to overlap a peripheral area of the first and second light emitting areas and including a first opening corresponding to the first light emitting area and a second opening corresponding to the second light emitting area, and a color filter including a first color filter pattern disposed in the first opening and a second color filter pattern disposed in the second opening. The second pixel includes a greater number of second light emitting elements than a number of the first light emitting elements. The second opening has an area smaller than an area of the first opening.

公开(公告)号：US11132946B2

公开(公告)日：2021-09-28

申请号：US16876910

申请日：2020-05-18

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: G09G3/32 ,  G09G3/20 ,  G09G3/3225

Abstract: An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.

公开(公告)号：US10909929B2

公开(公告)日：2021-02-02

申请号：US16210379

申请日：2018-12-05

Applicant: Samsung Display Co., Ltd.

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

IPC: G11C19/00 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/32 ,  G09G3/36 ,  G11C19/28

Abstract: A scan driver includes stage circuits, each including: a first circuit including a control terminal (CT) connected to a first node (N1), and connecting/disconnecting a previous scan line of a previous stage circuit to a second node (N2) based on a control signal (CS); a second circuit including a CT connected to a clock signal line, and connecting one of a first power voltage line (FPVL) and a second power voltage line (SPVL) to the N1 based on a CS; a third circuit including a CT connected to the N2, and connecting one of the N1 and the SPVL to a third node (N3) based on a CS; a fourth circuit including a CT connected to the N3, and connecting one of the FPVL and the SPVL to a current scan line based on a CS; and a first capacitor connecting the CT of the third circuit and the SPVL.

公开(公告)号：US10714556B2

公开(公告)日：2020-07-14

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 ,  H01L27/12

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：US20190311675A1

公开(公告)日：2019-10-10

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.