Samsung Display Co., Ltd.

Je Won Yoo

Hyun Min Cho

Dae Hyun Kim

Bek Hyun Lim

Myeong Hee Kim

Tae Jin Kong

Xinxing Li

Hee Keun Lee

Joo Yeol Lee

Chang Il Tae

Veidhes Basrur

Jong Won Lee

Keun Kyu Song

Jong Ho Hong

Hye Jin Joo

Won Il Choi

Basrur Veidhes

In Hyuk Kim

Hyun Deok Im

Jin Oh Kwag

Dong Uk Kim

Sung Chan Jo

Sung Jin Lee

Jung Hong Min

Dong Eon Lee

Min Joo Kim

Won Kyu Kim

Ju Youn Son

Hee Hwan Lee

Moon Jung An

Seung In Baek

Hye Lim Kang

Se Young Kim

Xin Xing Li

Baek Hyeon Lim

Chul Jong Yoo

An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

Optical inspection apparatus

A display device includes a light emitting element disposed on a substrate, and including a first end and a second end; a first contact electrode electrically connected to the second end of the light emitting element; a second contact electrode electrically connected to the first end of the light emitting element; and a liquid metal part electrically connecting the first end of the light emitting element to the second contact electrode.

Display device and method of manufacturing the same

A display device comprises a first electrode disposed on a substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, light emitting elements having ends disposed on the first electrode and the second electrode, a third electrode disposed on the substrate, and a fourth electrode disposed on the substrate and spaced apart from the third electrode, and semiconductor elements having ends disposed on the third electrode and the fourth electrode, wherein the light emitting elements each include a first semiconductor layer, a second semiconductor layer, and a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer, and the semiconductor elements and the first semiconductor layer of the light emitting elements includes a same material.

Display device

A light emitting element includes: a first semiconductor layer and a second semiconductor layer; an active layer between the first semiconductor layer and the second semiconductor layer; an insulating film around side surfaces of at least the active layer; and a wavelength conversion material on at least a portion of the insulating film, wherein light emitted to the outside and light emitted from the active layer have different central wavelength bands.

Light emitting element, manufacturing method of same, and display device

A light-emitting element extending in one direction includes: a semiconductor core including a main body extending in the one direction, a first end connected to one side of the main body and having an inclined side surface, and a second end connected to an other side of the main body and having a width less than that of the main body; and an insulation film around at least a portion of the outer surface of the semiconductor core, wherein the insulation film includes a first insulation film around the first end of the semiconductor core; and a second insulation film around the second end of the semiconductor core, wherein the diameter of an outer surface of the first insulation film is the same as a diameter of an outer surface of the second insulation film.

Light emitting element having a semiconductor main body core with a first end inclined and second end width smaller than the core

A display device comprises a first electrode, a first insulating layer disposed on the first electrode, a second electrode disposed on the first insulating layer, at least a part of the second electrode facing the first electrode in a first direction, one or more first light-emitting elements disposed between the first electrode and the second electrode, the one or more first light-emitting elements extending in a direction, wherein the first insulating layer partially encompasses the outer surface of the one or more first light-emitting element, and the extending direction of at least one of the one or more first light-emitting element is parallel to the first direction.

Display device and manufacturing method therefor

A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.

Light-emitting element, light-emitting element unit including the light-emitting element, and display device

A light emitting device may include a first semiconductor layer; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; an electrode layer disposed on the second semiconductor layer; a protective layer disposed on the electrode layer; and an insulating film enclosing outer circumferential surfaces of at least the first semiconductor layer, the active layer, the second semiconductor layer, and the electrode layer, and exposing a surface of the first semiconductor layer and a surface of the protective layer.

Light emitting element, display device using the same, and method of fabricating display device

A light emitting device may include: a substrate; a light emitting element located on the substrate and configured to emit light; a first electrode and a second electrode spaced from each other with the light emitting element interposed therebetween; a color conversion layer located on the substrate and configured to convert light emitted from the light emitting element into light having a specific color; a first contact electrode configured to electrically couple the first electrode with a first end of the light emitting element; and a second contact electrode configured to electrically couple the second electrode with a second end of the light emitting element. In a plan view, the color conversion layer may be spaced from the light emitting element and overlaps with at least one of the first and the second contact electrodes.

Light-emitting device and display device comprising same

A light emitting element and a display device including the same are provided. The light emitting element includes: a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a passivation layer surrounding an outer surface of at least one selected from the first semiconductor layer, the second semiconductor layer, and the active layer; and an insulation layer surrounding an outer surface of the passivation layer, wherein the passivation layer includes a two-dimensional (2D) material.

Light emitting element and display device including the same

Provided are a display device and a manufacturing method thereof. The display device comprises: a substrate; a first electrode and a second electrode disposed on the substrate to be spaced apart from each other; a first insulating layer disposed on the substrate so as to cover at least a portion of the first electrode and the second electrode; and at least one first light emitting element disposed between the first electrode and the second electrode, on the first insulating layer. The first insulating layer comprises: a first sub-insulating layer comprising a first portion including a hydrophilic material and a second portion which is a region of the first insulating layer except for the first portion and includes a hydrophobic material; and a second sub-insulating layer disposed below the first sub-insulating layer, and at least a portion of the at least one first light emitting element is disposed on the first portion.

A display device and a method of manufacturing a display device are provided. The display device comprises a first electrode, a second electrode facing the first electrode, a first insulating layer disposed on the first electrode and the second electrode and positioned between the first electrode and the second electrode, a light emitting element disposed on the first insulating layer, a first passivation layer covering the light emitting element and exposing both end portions of the light emitting element, an organic insulating layer disposed on the first passivation layer, a first contact electrode electrically connected to the first electrode, disposed on the organic insulating layer and in contact with a first end portion of the light emitting element exposed by the first passivation layer, and a second contact electrode electrically connected to the second electrode, disposed on the organic insulating layer and in contact with a second end portion of the light emitting element exposed by the first passivation layer.

A light emitting device includes first and second electrodes disposed on a substrate; an insulating layer disposed on the substrate and including a groove extending in a first direction intersecting with the first and the second electrodes, and first and second contact portions that expose areas of the first and the second electrodes; light emitting elements disposed in the groove between the first and the second electrodes, each including first and second ends electrically connected to the first and second electrodes, respectively; a first contact electrode electrically connected to the light emitting elements on the first ends, and electrically connected to the first electrode on the first contact portion; and a second contact electrode electrically connected to the light emitting elements on the second ends, and electrically connected to the second electrode on the second contact portion.

Light-emitting device, manufacturing method thereof, and display device having same

A display device may include: a substrate including a display area and a non-display area; and pixels disposed on the display area, and each including sub-pixels, each sub-pixel including a pixel circuit layer, and a display element layer including a light emitting element. The display element layer includes first and second electrodes spaced apart from each other; a first insulating layer disposed between the pixel circuit layer and the light emitting element; and a second insulating layer disposed on the light emitting element and filling spaces between the first insulating layer and ends of the light emitting element. The light emitting element includes a first conductive semiconductor layer, an active layer enclosing at least one side of the first conductive semiconductor layer, a second conductive semiconductor layer enclosing the active layer, an electrode layer enclosing the second conductive semiconductor layer, and an insulating film covering the electrode layer.

Display device and method for manufacturing same

A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate, and a second electrode spaced apart from the first electrode; at least one light emitting element disposed on the substrate, and including a first end and a second end; an insulating layer disposed on the light emitting element and allowing the first and second ends of the light emitting element to be exposed; a first contact electrode electrically connecting the first electrode with the first end of the light emitting element; a second contact electrode electrically connecting the second electrode with the second end of the light emitting element; and a passivation pattern disposed on each of the first and second contact electrodes. The first and second contact electrodes may be disposed on the insulating layer and spaced apart from each other and may be electrically separated from each other.

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Yongin-si, South Korea

Je Won Yoo