公开(公告)号：US20240006569A1

公开(公告)日：2024-01-04

申请号：US18191915

申请日：2023-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hyun PYO ,  Kyung Bae KIM ,  Ji Hye LEE ,  Sung Chul HONG

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167 ,  H01L2933/0058

Abstract: A display device includes: a first internal bank and a second internal bank spaced apart on a substrate; a first reflective layer disposed on the first internal bank; a second reflective layer spaced apart from the first reflective layer and disposed on the second internal bank; a first insulating layer disposed on the first reflective layer and the second reflective layer; a first electrode disposed on the first insulating layer and overlapping the first reflective layer; a second electrode disposed on the first insulating layer, overlapping the second reflective layer, and being spaced apart from the first electrode; a second insulating layer disposed on the first electrode and the second electrode; and a light emitting element disposed on the second insulating layer and overlapping a space between the first electrode and the second electrode.

公开(公告)号：US20230317908A1

公开(公告)日：2023-10-05

申请号：US18182233

申请日：2023-03-10

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Chong Chul CHAI ,  Sung Chul HONG

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

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

Abstract: A display device includes a substrate; a conductive layer on the substrate and including a first voltage line, a second voltage line, and a contact conductive pattern spaced from each other; a passivation layer on the conductive layer; a via layer on the passivation layer; an alignment line on the via layer and including a first alignment line and a second alignment line spaced from each other; a light emitting element between the first alignment line and the second alignment line on the alignment line; and a first contact electrode and a second contact electrode on the light emitting element and spaced from each other, wherein: the first alignment line is electrically connected to the second voltage line through a first alignment contact hole, the second alignment line is electrically connected to the first voltage line through a second alignment contact hole.

公开(公告)号：US20220216264A1

公开(公告)日：2022-07-07

申请号：US17567769

申请日：2022-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Sung Chul HONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes an emission area and a sub-area spaced from the emission area in a first direction, a plurality of electrodes in the emission area and extending in the first direction, the plurality of electrodes being spaced from each other along a second direction crossing the first direction, a first insulating layer on the plurality of electrodes, and a plurality of light emitting elements on the first insulating layer, both ends of the plurality of light emitting elements being on the plurality of electrodes that are spaced from each other along the second direction, wherein the plurality of electrodes include a first electrode including a first portion and a second portion, the second portion of the first electrode having a width measured in the second direction that is smaller than a width of the first portion measured in the second direction.

公开(公告)号：US20240332313A1

公开(公告)日：2024-10-03

申请号：US18412142

申请日：2024-01-12

Applicant: Samsung Display Co., LTD.

Inventor： Kyung-Bae KIM ,  Do Yeong PARK ,  Ki Hyun PYO ,  Sung Chul HONG

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

CPC classification number: H01L27/124 ,  H01L25/0753 ,  H01L33/62

Abstract: A light emitting display device, includes: a substrate; a driving element layer on the substrate and including a transistor and a planarization layer covering the transistor; a cathode and an anode connection electrode on the planarization layer; a separator on the planarization layer and including a first layer and a second layer, wherein the second layer protrudes from the first layer of the separator; a pixel defining layer including a first pixel defining layer on the separator and a second pixel defining layer superimposed with a portion of the cathode and a portion of the anode connection electrode; a light emitting layer on top of the cathode; and an anode connecting electrode, the second pixel defining layer, and an anode above the light emitting layer.

公开(公告)号：US20240013717A1

公开(公告)日：2024-01-11

申请号：US18107659

申请日：2023-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Ki Hyun PYO ,  Sung Chul HONG

IPC: G09G3/3233 ,  H01L25/16 ,  H01L27/12

CPC classification number: G09G3/3233 ,  H01L25/167 ,  H01L27/124 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0452 ,  G09G2300/0426

Abstract: A display device includes a pixel including a first sub-pixel to third sub-pixels, each arranged in a first direction and emitting light of a color, a first to third vertical power lines, each extending in a second direction different from the first direction, overlapping the first to third sub-pixels, respectively, and transmitting first to third powers, respectively, a first to third horizontal power lines, each extending in the first direction and electrically connected to the first to third vertical power lines through a contact hole, respectively. Voltages of the first power, the second power, and the third power are different from each other.

公开(公告)号：US20230317910A1

公开(公告)日：2023-10-05

申请号：US18191063

申请日：2023-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Chong Chul CHAI ,  Sung Chul HONG

IPC: H01L33/62 ,  H01L27/12 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L27/124 ,  H01L25/0753 ,  H01L25/167

Abstract: A display device includes a first voltage line and a second voltage line extending in a first direction and spaced apart from each other in a second direction, a data line disposed between the first voltage line and the second voltage lines and extending in the first direction, a first electrode extending in the first direction and electrically connected to the first voltage line, a second electrode extending in the first direction and electrically connected to the second voltage line, light emitting elements on the first electrode and the second electrode, and a first connection pattern layer spaced apart from the first electrode and the second electrode and electrically connected to the first voltage line, and a second connection pattern layer electrically connected to the data line. The first connection pattern layer, the second connection pattern layer, the first electrode, and the second electrode are on a same layer.

公开(公告)号：US20230307583A1

公开(公告)日：2023-09-28

申请号：US18070329

申请日：2022-11-28

Applicant: Samsung Display Co., LTD.

Inventor： Sung Chul HONG ,  Kyung Bae KIM ,  Do Yeong PARK

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

CPC classification number: H01L33/387 ,  H01L25/0753 ,  H01L33/62

Abstract: A display device includes pixels, and the pixels include: alignment electrodes provided on a base layer; a light emitting element provided on the alignment electrodes; and connection electrodes electrically connected to the light emitting element. The connection electrodes are electrically connected to some of the alignment electrodes through contact portions, and the number of the contact portions defined in each of the pixels is less than the number of the alignment electrodes.

公开(公告)号：US20210132439A1

公开(公告)日：2021-05-06

申请号：US16857101

申请日：2020-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Chul HONG

IPC: G02F1/13357 ,  G02F1/1362

Abstract: A backlight may include: a light source board; a plurality of light source assemblies aligned on the light source board, each of the plurality of light source assemblies including light sources electrically connected to each other; a voltage supply line provided on the light source board, the voltage supply line configured to supply a driving voltage to the light source assemblies; and sensing lines provided on the light source board, the sensing lines configured to output a voltage detected from each of the light source assemblies. Each of the plurality of light source assemblies may include a connection electrode connecting the light sources. At least a portion of the connection electrode may be provided in a layer different from that of the sensing lines to overlap with the sensing lines.

公开(公告)号：US20180025681A1

公开(公告)日：2018-01-25

申请号：US15709377

申请日：2017-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Chul HONG ,  Yun Hee KWAK ,  Mi-Sun LEE

IPC: G09G3/20 ,  G02F1/1345 ,  G02F1/1362 ,  G09G3/00

CPC classification number: G09G3/20 ,  G02F1/1345 ,  G02F2001/136254 ,  G09G3/006 ,  G09G2300/08 ,  G09G2330/12

Abstract: Provided is a display device including a plurality of pixels; a plurality of data lines connected to the plurality of pixels; a data driver applying data voltages to the plurality of data lines; and a first test pad unit connected to at least one of the plurality of data lines in order to check the data voltages, in which the first test pad unit includes a test pad which is electrically double-separated from the at least one of the data lines.

公开(公告)号：US20160163279A1

公开(公告)日：2016-06-09

申请号：US14808251

申请日：2015-07-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Chul HONG ,  Yun Hee KWAK ,  Mi-Sun LEE

IPC: G09G5/00

CPC classification number: G09G3/20 ,  G02F1/1345 ,  G02F2001/136254 ,  G09G3/006 ,  G09G2300/08 ,  G09G2330/12

Abstract: Provided is a display device including a plurality of pixels; a plurality of data lines connected to the plurality of pixels; a data driver applying data voltages to the plurality of data lines; and a first test pad unit connected to at least one of the plurality of data lines in order to check the data voltages, in which the first test pad unit includes a test pad which is electrically double-separated from the lat least one of the data lines.

Abstract translation: 提供了包括多个像素的显示装置; 连接到所述多个像素的多个数据线; 将数据电压施加到所述多条数据线的数据驱动器; 以及连接到所述多条数据线中的至少一条数据线的第一测试焊盘单元，以便检查所述数据电压，其中所述第一测试焊盘单元包括与所述数据的最小数据电双重分离的测试焊盘 线条。