Samsung Electronics Co., Ltd.

Junghun Park

Junhee Choi

Joohun Han

Jinjoo Park

Kiho Kong

Nakhyun Kim

Kyungwook Hwang

Sungjin Kang

Eunsung Lee

Dongho Kim

Hoyoung Ahn

Hoon Moo Choi

Younghwan Park

Joosung Kim

Dongchul Shin

Eunwoo Park

A display device includes an ion implantation region, a first semiconductor layer, an active layer under the first semiconductor layer, and a second semiconductor layer under the active layer. The ion implantation region includes a plurality of ions and partitions the active layer into a plurality of light-emitting regions, and an average ion concentration ratio of each of the light-emitting regions is 2 to 15.

Light-emitting diode display device and manufacturing method thereof

Provided is a substrate structure including a substrate, a buffer layer disposed on the substrate, a porous semiconductor layer disposed on the buffer layer, the porous semiconductor layer having a plurality of voids, a plurality of semiconductor light emitting structures disposed on the porous semiconductor layer, the plurality of semiconductor light emitting structures having a nanorod shape extending vertically, and a passivation film disposed on a side wall of each of the plurality of semiconductor light emitting structures, the passivation film having an insulation property.

Nanorod light emitting device, substrate structure including a plurality of nanorod light emitting devices, and method of manufacturing the substrate structure

A micro light-emitting display apparatus and a method of manufacturing the same are disclosed The micro light-emitting display apparatus includes a first semiconductor layer, an isolation structure provided on the first semiconductor layer and configured to define a plurality of sub-pixels each configured to emit light, a first light-emitting unit including a first active layer provided in a first sub-pixel among the plurality of sub-pixels, and a second semiconductor layer provided on the first active layer, and a second light-emitting unit including a rod semiconductor layer provided in a second sub-pixel among the plurality of sub-pixels, a second active layer provided on the rod semiconductor layer, and a third semiconductor layer provided on the second active layer. The first active layer is configured to emit blue light and the second active layer is configured to emit green light.

Micro light-emitting display apparatus and method of manufacturing the same

Provided is a display apparatus including a plurality of subpixels and configured to emit light based on each of the plurality of subpixels, the display apparatus including a substrate, a driving layer provided on the substrate and including a driving element which is configured to apply current to the display apparatus, a first electrode electrically connected to the driving layer, a first semiconductor layer provided on the first electrode, an active layer provided on the first semiconductor layer, a second semiconductor layer provided on the active layer, a second electrode provided on the second semiconductor layer, and a reflective layer provided on the second semiconductor layer, wherein light emitted from the active layer resonates between the first electrode and the reflective layer.

Display apparatus and method of manufacturing the same

A semiconductor device includes a substrate including a first region and a second region adjacent to the first region, the first and the second regions being disposed in a first direction parallel to an upper surface of the substrate; an etch-stop layer disposed on the first region and the second region; a separation layer disposed on an upper portion of the etch-stop layer, the separation layer being disposed on the first region; a high-electron-mobility transistor (HEMT) element disposed on an upper portion of the separation layer in a second direction perpendicular to an upper surface of the substrate; a light-emitting element disposed on the second region between the substrate and the etch-stop layer; and a plurality of first insulating patterns covering side surfaces of the HEMT element, the plurality of first insulating patterns extending to the etch-stop layer.

Semiconductor device, method of fabricating the same, and display device including the same

A micro light emitting diode (LED) device and a method of manufacturing the same are provided. A micro LED device includes a light emitting layer that is provided on a support substrate, a bonding layer, and a driver layer. The light emitting layer includes a stacked structure including a first semiconductor layer, an active layer, and a second semiconductor layer; first and second electrodes provided on a first side and a second side of the stacked structure; and a plurality of light emitting regions. The bonding layer is positioned between the support substrate and the light emitting layer. The drive layer includes a drive element electrically connected to the light emitting layer and is positioned on the light emitting layer to apply power to the plurality of light emitting regions of the light emitting layer.

Micro LED device and method of manufacturing the same

A high-resolution display device is provided. The high-resolution display device includes a light-emitting layer including a first semiconductor layer, an active layer, and a second semiconductor layer, a plurality of transparent electrodes respectively formed on the second semiconductor layer in sub-pixel regions, a first electrode connected to the first semiconductor layer, a plurality of second electrodes connected to the plurality of transparent electrodes, a color-converting layer arranged over the light-emitting layer and configured to emit light of a predetermined color based on light generated by the light-emitting layer, which are sequentially stacked on a substrate including a plurality of sub-pixel regions. One or more ion injection regions corresponding to current injection regions corresponding to the plurality of the sub-pixel regions is formed in the second semiconductor layer.

High-resolution display device

Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a support substrate, a driving layer provided on the support substrate and including a driving element configured to apply power to a pixel electrode, and a light-emitting layer provided on the driving layer.

Provided is a light-emitting device including a substrate, a light-emitting pattern provided on the substrate, a first reflection film provided between the light-emitting pattern and the substrate, a second reflection film provided on a side surface of the light-emitting pattern, and a passivation film provided between the light-emitting pattern and the second reflection film, wherein the second reflection film is electrically connected to the light-emitting pattern, and a portion of light generated from the light-emitting pattern is emitted through an upper surface of the light-emitting pattern after being reflected by at least one of the first reflection film and the second reflection film.

Growing community of inventors

Yongin-si, South Korea

Junghun Park