Samsung Electronics Co., Ltd.

Myunghee Kim

Jenghun Suh

Jihoon Kang

Jaephil Shim

Taesoon Park

Jitsuo Ota

Sungwook Kim

Donghwan Kim

Youngki Jung

Chulgyu Jung

Seungran Park

Yong Namkung

An inorganic light emitting diode is disclosed. The inorganic light emitting diode includes a first semiconductor layer, a second semiconductor layer having a light emitting surface composed of four sides, an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode coupled to the first semiconductor layer, and a second electrode coupled to the second semiconductor layer, wherein the light emitting surface has a trapezoid shape in which two opposing sides are asymmetric in relation to each other.

Inorganic light emitting diode, display module and manufacturing method thereof

An inorganic light emitting diode is disclosed. The inorganic light emitting diode includes a first semiconductor layer, a second semiconductor layer having a light emitting surface composed of four sides, an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode coupled to the first semiconductor layer, and a second electrode coupled to the second semiconductor layer, wherein the light emitting surface has a trapezoid shape in which two opposing sides are symmetric with respect to each other.

A display module is disclosed. The display module includes pixels provided on the substrate, one of which includes: inorganic light emitting elements configured to emit light of a same color; light dispersing layers provided on light emitting surfaces of the inorganic light emitting elements; color conversion layers provided on the light dispersing layers; and color filters provided on the color conversion layers. When viewed from above an upper surface of the substrate, the light dispersing layers are larger than the inorganic light emitting elements.

Display module and manufacturing method thereof

A display module includes a substrate, and a plurality of pixels provided on the substrate, wherein each of the plurality of pixels includes a first inorganic light emitting element including a distributed Bragg reflectors (DBR) layer, a second inorganic light emitting element including a DBR layer, a third inorganic light emitting element, a first color conversion layer provided adjacent to the first inorganic light emitting element, a second color conversion layer provided adjacent to the second inorganic light emitting element, and a first color filter provided adjacent to the first color conversion layer, a second color filter provided adjacent to the second color conversion layer, wherein a size of the first color conversion layer is larger than a size of the first inorganic light emitting element, and a size of the second color conversion layer is larger than a size of the second inorganic light emitting element.

A guide apparatus configured to transfer light-emitting devices in a liquid onto a substrate is provided. The guide apparatus includes a base configured to support the substrate; and a guide member configured to couple with the base to be seated on a mounting surface of the substrate in a state in which the substrate is supported on a surface of the base, wherein the guide member includes guide holes configured to respectively guide the light-emitting devices in the liquid to be disposed on the mounting surface of the substrate.

Guide apparatus for transferring light-emitting devices onto a substrate and method applying the same

A display module and a manufacturing method thereof are provided. The manufacturing method may include forming an epitaxial film comprising a light emitting layer, a first type semiconductor layer, and a second type semiconductor layer, attaching the epitaxial film to an intermediate substrate comprising a conductive material, patterning the epitaxial film to form a light emitting diode (LED) and coupling the LED to a driving circuit layer through the conductive material.

A display panel including an LED device and a method including: forming a plurality of light emitting diodes (LEDs); and forming a plurality of partition walls that divide light-emitting regions by each of the plurality of LEDs, wherein the forming the plurality of LEDs includes: etching a growth substrate to form a plurality of LEDs and forming a plurality of protrusions and a plurality of depressions on the growth substrate; and forming a reflector layer on a surface of the plurality of protrusions and a surface of the plurality of depressions, and wherein the forming the plurality of partition walls includes removing a part of the growth substrate so that the plurality of partition walls are formed based on the plurality of protrusions, and a space between the plurality of partition walls is formed based on the plurality of depressions.

LED display module, manufacturing method for LED display module and display device including LED display module

An LED device includes: a first semiconductor layer of a first type; a second semiconductor layer of a second type; a light emitting layer formed between the first semiconductor layer and the second semiconductor layer and configured to emit light; and a filter formed on the second semiconductor layer and configured to transmit light in the second wavelength band within the first wavelength band. The filter includes a defect layer, first refractive layers, and second refractive layers having a refractive index greater than a refractive index of the first refractive layers, the first refractive layers and the second refractive layers are formed alternately on one side and other side of the defect layer. A thickness of the defect layer is determined based on a center wavelength of the first wavelength band, a peak wavelength of the second wavelength band and a refractive index of the defect layer.

Growing community of inventors

Suwon-si, South Korea

Myunghee Kim