公开(公告)号：US20220293668A1

公开(公告)日：2022-09-15

申请号：US17449924

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Taek HONG ,  Hong Joon MOON

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/40 ,  H01L33/44

Abstract: A display device including a substrate, a bank pattern extending in a first direction on the substrate, a first electrode on the bank pattern, a second electrode on the substrate, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and including a first end on the first electrode, and a second end on the second electrode, a first connection electrode contacting the first end of the light emitting element, and a second connection electrode contacting the second end of the light emitting element, wherein the bank pattern overlaps the first electrode and does not overlap the second electrode.

公开(公告)号：US20220085077A1

公开(公告)日：2022-03-17

申请号：US17447491

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Tae Hee LEE ,  Kwang Taek HONG ,  Jung Eun HONG

IPC: H01L27/12 ,  H01L25/16

Abstract: A pixel according to an embodiment of the present disclosure includes a circuit element on a base layer, a protective layer on the circuit element, a first electrode and a second electrode opposite each other on the protective layer, a first insulating layer on the first electrode and the second electrode, a light-emitting element on the first insulating layer at an area between the first electrode and the second electrode, a first contact electrode on a first end of the light-emitting element to connect the first end of the light-emitting element to the first electrode, a second contact electrode on a second end of the light-emitting element to connect the second end of the light-emitting element to the second electrode, and a cavity in the protective layer and the first insulating layer below the light-emitting element corresponding to the area between the first electrode and the second electrode.

公开(公告)号：US20230343913A1

公开(公告)日：2023-10-26

申请号：US18093588

申请日：2023-01-05

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Kwang Taek HONG ,  Ki Nyeng KANG ,  Hong Joon MOON

IPC: H01L33/62 ,  G09G3/32 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L33/382 ,  G09G2310/0278

Abstract: A display device includes a first pixel, a second pixel, and a third pixel, each disposed on a substrate and including a pixel circuit, a first metal line disposed at a first metal layer on the substrate, extending in a first direction on a first side of the pixel circuits of the first to third pixels, and electrically connected to at least one of the pixel circuits of the first to third pixels, a second metal line disposed at a second metal layer on the first metal layer, extending in the first direction on a first side of the first metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels, and a third metal line disposed at the first metal layer, extending in the first direction on a first side of the second metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels. Each of the first to third metal lines supplies a voltage to at least one of the pixel circuits of the first to third pixels.

公开(公告)号：US20230032600A1

公开(公告)日：2023-02-02

申请号：US17836609

申请日：2022-06-09

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Hong Joon MOON ,  Jong Hwan CHA

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

Abstract: A display device comprises an initialization voltage line on a substrate, a first interlayer insulating layer disposed on the initialization voltage line, a low potential voltage line disposed on the first interlayer insulating layer, and having a stepped portion and overlapping the initialization voltage line, an auxiliary pattern disposed on the low potential voltage line and forming a flat portion with the stepped portion of the low potential voltage line, a second interlayer insulating layer disposed on the auxiliary pattern, a planarization layer disposed on the second interlayer insulating layer, a first electrode and a second electrode disposed on the planarization layer and spaced apart from each other, a light emitting element having ends aligned on the first electrode and the second electrode, a first contact electrode electrically contacting an end of the light emitting element, and a second contact electrode electrically contacting another end of the light emitting element.

公开(公告)号：US20220320378A1

公开(公告)日：2022-10-06

申请号：US17535028

申请日：2021-11-24

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Ki Nyeng KANG ,  Jong Hwan CHA ,  Hee Keun LEE ,  Min Cheol CHAE ,  Su Min CHOI

IPC: H01L33/38 ,  H01L27/15

Abstract: A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.

公开(公告)号：US20220271201A1

公开(公告)日：2022-08-25

申请号：US17592486

申请日：2022-02-03

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Ki Nyeng KANG ,  Jong Hyuk KANG ,  Jin Taek KIM ,  Tae Woo KIM ,  Do Yeong PARK ,  Hee Keun LEE ,  Hyun Deok IM ,  Su Min CHOI

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

Abstract: A display device includes subpixels arranged in a first direction and a second direction, where each of the subpixels includes an emission area and a sub area arranged in the first direction therein, electrodes extending in the first direction across the emission area and the sub area, where the electrodes includes a first electrode, a second electrode spaced apart from the first electrode in the second direction, a third electrode disposed between the first electrode and the second electrode, and a fourth electrode spaced apart from the third electrode in the second direction with the first electrode interposed therebetween, first light emitting elements disposed on the first electrode and the fourth electrode, and second light emitting elements disposed on the second electrode and the third electrode. A length of the third electrode in the first direction is smaller than a length of the first electrode in the first direction.

公开(公告)号：US20210384178A1

公开(公告)日：2021-12-09

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

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：US20210043707A1

公开(公告)日：2021-02-11

申请号：US16937035

申请日：2020-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Ho PARK ,  Yeon Hong KIM ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo hyun MOON ,  Mi Jin PARK ,  Tae Hoon YANG ,  Sung-Jin LEE ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/3258

Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic tight emitting diode.