Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Ki Nyeng Kang

Jong Hyun Choi

Tae Hoon Yang

Min Soo Kim

Tae Woo Kim

Min Joo Kim

Jong Hwan Cha

Jin Taek Kim

Keum Nam Kim

Sang Hoon Lee

Seon Beom Ji

Sun Kwang Kim

Su Min Choi

Hee Keun Lee

Hyun Wook Lee

Sunkwang Kim

Kyung Tae Chae

Jung Eun Hong

Kwang Taek Hong

Ki Bum Kim

Sun Ho Kim

Seung Hwan Cho

Myeong Hun Song

Guang Hai Jin

Ock Soo Son

Veidhes Basrur

Seung Min Song

Seung Jin Chu

Guanghai Jin

Min Cheol Chae

Jun Ho Bae

Hee Jung Yoon

Tae Hee Lee

Sanghoon Lee

Jong Hyuk Kang

Hyun Deok Im

Jong Chan Lee

Na-Young Kim

Hyun Kyung Kim

Seungmin Song

Do Yeong Park

Youn Joon Kim

An Su Lee

Bek Hyun Lim

Sun Haeng Cho

No Kyung Park

Sang Jo Lee

Sung Jin Lee

Jeong-Hwan Kim

Minseong Yi

Je Min Lee

Jin Koo Kang

Basrur Veidhes

Hoon Gi Lee

Seonbeom Ji

Jeong Kook Wang

Sung Won Jo

Kyung Ah Choi

Hong Joon Moon

Jae Hee Kim

In Pyo Kim

A display device includes a base layer, a first pixel electrode disposed in a first direction on the base layer and to which a first driving voltage is applied, a second pixel electrode disposed in the first direction on the base layer and to which a second driving voltage is applied, a first light-emitting element and a second light-emitting element electrically connected to the first pixel electrode and the second pixel electrode, a connection electrode electrically connecting the first pixel electrode and the first light-emitting element, and electrically connecting the second light-emitting element and the second pixel electrode, and a bank overlapping at least a portion of the first pixel electrode and at least a portion of the second pixel electrode and surrounding a light-emitting area in which the first light-emitting element and the second light-emitting element are disposed. A portion of the connection electrode overlaps the bank.

Display device

A display device includes pixels. Each of the pixels includes electrodes disposed on a base layer; a first insulating layer disposed on the electrodes; a light emitting element disposed on the first insulating layer; a bank disposed on the first insulating layer and protruding in a thickness direction of the base layer; and a second insulating layer, at least a portion of the second insulating layer being disposed on the first insulating layer. At least part of the electrodes of a pixel among the pixels are spaced apart from at least part of the electrodes of another pixel adjacent to the pixel with an open area being disposed between the electrodes. The first insulating layer includes a first opening overlapping the open area in a plan view, and the second insulating layer includes a second opening overlapping the open area in a plan view.

Display device and manufacturing method for display device

A display device includes first group electrodes and the second group electrodes spaced apart from second group electrodes in a first direction, respectively, light emitting elements disposed on the first group electrodes and the second group electrodes, a first connection electrode and a second connection electrode disposed on the first group electrodes and extending in the first direction, a third connection electrode and a fourth connection electrode disposed on the first group electrodes and the second group electrodes and extending in the first direction, and a fifth connection electrode disposed on at least two electrodes of the second group electrodes and spaced apart from the first connection electrode and the second connection electrode in the first direction. Each of the first connection electrode, the second connection electrode, and the fifth connection electrode is disposed between the third connection electrode and the fourth connection electrode in a second direction.

A display device includes a display area, and a pad area, a first electrode and a second electrode extending in a first direction in the display area and spaced apart from each other in a second direction, light emitting elements disposed on the first electrode and the second electrode in the display area, pad lines extending in the first direction in the pad area and spaced apart from each other in the second direction, dummy lines extending in the first direction in the pad area and spaced apart from the pad lines in the second direction, and dummy patterns electrically connected to at least part of the dummy lines. The dummy lines include first dummy lines and second dummy lines spaced apart from the first dummy lines in the first direction.

A includes a substrate, a first electrode and a second electrode on the substrate and spaced from each other, a light emitting element between the first electrode and the second electrode, an insulating pattern on the light emitting element, a first contact electrode on one side of the insulating pattern and contacting the first electrode and one end of the light emitting element, and a second contact electrode on another side of the insulating pattern and contacting the second electrode and an other end of the light emitting element, and a surface of the insulating pattern includes a concave-convex pattern.

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.

A display device includes a blocking pattern between a display area and a dam structure and having an undercut shape. The blocking pattern includes an etched metal layer, and a first upper metal layer which is on the etched metal layer and has a width greater than a width of the etched metal layer.

Metal blocking pattern of display device and method of providing the same

A display device including: a display panel including a display region and a non-display region; and an input sensing unit on the display panel and including an active region and a peripheral region, the display panel includes: a base layer; a circuit element layer on the base layer and including a plurality of insulating layers and a voltage line on any of the insulating layers; and a display element layer including a pixel defining film and a light-emitting element, the light-emitting element includes: a first electrode; a second electrode opposite to the first electrode; and an organic layer between the first and second electrodes, the organic layer includes: a first portion overlapping the display region; and a second portion overlapping the non-display region, a first opening is formed in the second portion, and the second electrode and the voltage line are electrically connected to each other through the first opening.

Display device and a manufacturing method of the same

A display device inspection method includes: checking connection failures of light emitting elements included in a pixel and connected in series based on a first control signal, a second control signal, and a voltage of an initialization power source, wherein the pixel comprises: a pixel circuit controlling a current flowing from a first power source to a second node in response to a voltage of a first node; a first light emitting element connected to the second node; a first transistor controlling the voltage of the initialization power source supplied to the second node; a second light emitting element electrically connected between the first light emitting element and a second power source; and a second transistor having a first electrode connected to a third node between the first light emitting element and the second light emitting element, and a gate electrode connected to a first inspection control line.

Display device and inspection method thereof

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.

A display device according to one or more embodiments includes a substrate, common voltage lines on the substrate, and extending in a second direction, connection electrodes on the common voltage lines, an emission layer on the connection electrodes, a common electrode on the emission layer, and a voltage applying portion configured to apply a common voltage to the common electrode, wherein the emission layer defines openings for connection through which the common electrode is electrically connected with respective ones of the connection electrodes, and wherein distances between respective adjacent ones of the openings for connection increase as a distance from the voltage applying portion increases along the second direction.

A display device includes light-emitting elements disposed on first and second electrodes, and having first end portions disposed on the first electrode, and second end portions disposed on the second electrode, a first connecting electrode extending in a first direction and disposed on the first electrode, the first connecting electrode being in contact with the first end portions of the light-emitting elements, a second connecting electrode extending in the first direction and disposed on the second electrode, the second connecting electrode being in contact with the second end portions of the light-emitting elements, and a connecting electrode pattern disposed on the first electrode, the connecting electrode pattern overlapping the first connecting electrode. The second connecting electrode and the connecting electrode pattern include a same material, and a thickness of the first connecting electrode is less than a thickness of the second connecting electrode and the connecting electrode pattern.

A display device includes: a substrate; a plurality of voltage lines extending parallel to each other on the substrate; and a voltage supplier connected to one side end of a plurality of voltage lines and configured to transmit a voltage to a plurality of voltage lines, wherein a density of the plurality of voltage lines decreases farther away from the voltage supplier.

A display device comprises a substrate including a display area and a pad area adjacent to the display area; at least one pad electrode disposed on the substrate in the pad area and connected to the display area; and at least one dummy electrode overlapping the at least one pad electrode and not connected to the display area.

Display device and method of manufacturing the same

A display device includes: a display panel including a bending area; and a first passivation film and a second passivation film disposed on a first surface of the display panel to be spaced apart from each other. The second passivation film includes a first flat portion and a first stepped portion overlapping the bending area, and a thickness of the first stepped portion is less than a thickness of the first flat portion.

Growing community of inventors

Sejong-si, South Korea

Ki Nyeng Kang