Samsung Display Co., Ltd.

Jun Bo Sim

Chang Hee Lee

Jae Kook Ha

Duk Ki Kim

Hyo Jin Ko

Na Mi Hong

Yong Hwi Kim

Yeun Tae Kim

Jong Hyuk Kang

Hyun Deok Im

Se Hyun Lee

Do Yeong Park

Eun A Cho

Yun Hyuk Ko

Sang Ho Jeon

Chan Woo Joo

Sang Il Park

Ju Yong Park

Won Ho Lee

Min Wook Park

Jeong Uk Heo

Gyu Bong Kim

Da Young Lee

Ji Won Sohn

Hoi Lim Kim

Sae Na Yun

An ink for manufacturing a display device includes a solvent; and light emitting elements disposed in the solvent, wherein the light emitting elements include a first semiconductor layer including a first type of semiconductor and a second semiconductor layer including a second type of semiconductor, and an electrical conductivity of the ink is about 1.5 μS/m or less. Also provided are a method of manufacturing a display device using the ink and a display device manufactured by the method.

Ink, manufacturing method of display device using the same, and display device

A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.

Light-emitting element ink, display device, and method of fabricating the display device

A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

Light emitting element, method of manufacturing the same, and display device including the light emitting element

A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.

Light emitting element ink and method of manufacturing display device

A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.

Light emitting element ink and method of manufacturing display device utilizing electric field

An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.

Ink containing light-emitting elements and method of fabricating display device using the same

A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.

Liquid crystal display device

A display device includes: a first substrate; a second substrate overlapping the first substrate; a common electrode disposed on the second substrate; a column spacer disposed between the pixel electrode and the common electrode; and a plurality of pixels. Each of the plurality of pixels includes a transistor disposed on the first substrate and a pixel electrode electrically connected to the transistor through a hole. The display device further includes a plurality of column spacers disposed between the pixel electrode and the common electrode. The plurality of column spacers include a main spacer having a first height and a sub-spacer having a second height that is different from the first height. At least one of the main spacer and the sub-spacer includes a first spacer having a first planar area and a second planar spacer having a second planar area that is different from the first planar area.

Display device including column spacers

A display device includes a first substrate, thin film transistors, a color filter layer, a light blocking pattern, a second substrate, pixel electrodes, and, a plurality of first spacers. The first substrate includes a display area having a plurality of pixel areas and a non-display area surrounding at least part of the display area, the display area including an interior area and at least one peripheral area disposed exteriorly of the interior area. The second substrate defines with the first substrate a space to contain light transmittance material. The plurality of first spacers is disposed in the light transmittance space between the first and second substrates and only in the interior area of the display area.

Display device

Growing community of inventors

Asan-si, South Korea

Jun Bo Sim