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：US11742460B2

公开(公告)日：2023-08-29

申请号：US17098117

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Min Lee ,  Jin Taek Kim ,  Baek Hyeon Lim ,  Jin Yeong Kim ,  Kyung Tae Chae ,  Jung Hwan Yi ,  Hee Keun Lee

IPC: H01L33/38 ,  H01L33/54 ,  H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/15 ,  G09F9/33 ,  H01L21/02 ,  H01L21/768 ,  H01L27/12 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/0095 ,  H01L33/54 ,  H01L2933/005 ,  H01L2933/0016

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

公开(公告)号：US11462518B2

公开(公告)日：2022-10-04

申请号：US16988163

申请日：2020-08-07

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Mi Jin Park ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/38 ,  H01L33/44 ,  H01L33/24

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

公开(公告)号：US20220140029A1

公开(公告)日：2022-05-05

申请号：US17579699

申请日：2022-01-20

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 light emitting diode,

公开(公告)号：US11233104B2

公开(公告)日：2022-01-25

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: G09G3/30 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12

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 light emitting diode.

公开(公告)号：US20190206977A1

公开(公告)日：2019-07-04

申请号：US16236747

申请日：2018-12-31

Applicant: Samsung Display Co., Ltd.

Inventor： Pil Suk Lee ,  Jin Taek Kim ,  Ki Wan Ahn

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device including a first signal line disposed on a substrate, a first insulating layer disposed on the first signal line, and a second signal line disposed on the first insulating layer and crossing the first signal line, in which the first insulating layer includes a recess portion providing a surface height lower than other areas of the first insulating layer, and the first signal line and the second signal line overlap each other with the recess portion therebetween.

公开(公告)号：US12155021B2

公开(公告)日：2024-11-26

申请号：US17222434

申请日：2021-04-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Ki Bum Kim ,  Jin Taek Kim ,  Kyung Tae Chae

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L27/15 ,  H01L33/18 ,  H01L33/36 ,  H01L33/38 ,  H01L33/54

Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.

公开(公告)号：US12094920B2

公开(公告)日：2024-09-17

申请号：US18186917

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek Kim ,  Jin Yeong Kim ,  Soo Hyun Moon ,  Sang Ho Park ,  Seung Min Lee ,  Jin Woo Lee ,  Tae Hoon Yang

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/06 ,  H01L33/387 ,  H01L33/62 ,  G09G2310/0278

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US12002790B2

公开(公告)日：2024-06-04

申请号：US17210282

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Keun Lee ,  Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Baek Hyeon Lim ,  Kyung Tae Chae

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

Abstract: A pixel includes a first electrode and a second electrode facing each other, an insulating layer on the first and second electrodes, a plurality of light-emitting elements located on the insulating layer between the first electrode and the second electrode, a first contact electrode electrically connected to the first electrode, and a second contact electrode electrically connected to the second electrode. Here, a first gap having a constant width in a first direction and a second gap having a width in the first direction that gradually changes along a second direction are located between the first electrode and the second electrode or between the first contact electrode and the second contact electrode.

公开(公告)号：US11871598B2

公开(公告)日：2024-01-09

申请号：US17315847

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Baek Hyeon Lim ,  Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Hee Keun Lee ,  Kyung Tae Chae

IPC: H10K50/813 ,  H01L33/50 ,  H10K50/822 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K50/813 ,  H01L33/50 ,  H10K50/822 ,  H10K59/122 ,  H10K59/124 ,  H10K71/00

Abstract: A display device and a manufacturing method thereof are provided. A display device includes: a substrate; a first electrode and a second electrode on the substrate, the first electrode and the second electrode being arranged on a same layer to be spaced apart from each other; a first insulating layer on the first electrode and the second electrode; and a light emitting element on the first insulating layer. The first insulating layer includes a groove concave toward the substrate, and the light emitting element is in the groove.