Samsung Electronics Co., Ltd.

Rohm and Haas Electronic Materials Korea Ltd.

Sungkyunkwan University

Jihoon Kang

Myunghee Kim

Jenghun Suh

Jitsuo Ota

Hye-Won Lee

Chijoon Kim

Jonghwan Choi

Jae-Bong Lim

Jaephil Shim

Jinho Kim

Hyeonho Choi

Soonok Jeon

Sangho Park

Joonghyuk Kim

Sangmin Shin

Wonho Lee

Sook Jin Lee

Youngki Jung

Seokho Kim

Taeyeong Kim

Sungtae Kim

Jongmin Kang

Wonyoung Seo

Ilyoung Han

Namhyung Kim

Jae Hwan Sim

Hoechul Kim

Inkoo Kim

Changyong Seo

Jung Kyu Jo

Nohsung Kwak

Junyeob Lee

Shunsuke Kimura

Halim Choi

Soohwan Sul

Halim Lee

Chungil Choi

Won-Joon Son

Hakjun Lee

Dong-Je Hong

So-Yeon Kim

Jun-Han Yun

Youngmo Sung

Soonwan Chung

Ilhyoung Lee

Yongdok Cha

Seung Uk Lee

Sun-Jung Lee

Seokki Kim

A micro LED and a display module are provided. The micro LED includes a first semiconductor layer having a light emission surface and electronically connected to a first electrode; a second semiconductor layer electronically connected to a second electrode; an active layer disposed between the first and second semiconductor layers; and a wavelength conversion layer stacked on the light emission surface of the first semiconductor layer. The wavelength conversion layer is made of a semiconductor having a chalcopyrite-structure. The display module includes a plurality of such plurality of micro LEDs arranged in pixel units, which are electronically connected to a plurality of TFT electrodes. The module also includes a glass substrate and a TFT layer formed on one surface of the glass substrate, and the plurality of TFT electrodes are formed on the TFT layer. The resulting TFT layer does not require a color filter or a cover layer.

Micro LED and display module having same

An electronic device includes a housing including a first housing, and a second housing which is rotatably coupled to the first housing, a flexible display facing the first and second housings and including a folding area, a waterproof member between the housing and the flexible display, and a support structure between the housing and the flexible display, where the support structure includes a first part having a first height and a second part having a second height greater than the first height, and the second part is overlapping the folding area.

Electronic device including display support structure

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

Disclosed is a foldable electronic device including a sealing member for protecting a side surface of flexible display. A foldable electronic device according to various embodiments of the disclosure may include: a foldable housing configured to be folded and unfolded, a flexible display disposed in the foldable housing, the flexible display including a display panel configured to display image information and a cover window covering a first surface of the display panel on which image information is displayed, the display panel having at least one portion configured to be bent according to folding and unfolding operations of the foldable housing, and a seal contacting a region of a side part of the flexible display with reference to the first surface of the flexible display, the region including a space between the cover window and the display panel, wherein the seal may include a polymer material which is configured to be bent according to the bending operation in a state of being in contact with a side surface of the flexible display during the bending operation of the flexible display.

Electronic device including display side protection member

Provided are a heterocyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device: Formulae 1-1 and 1-2 may each be understood by referring to the descriptions of Formulae 1-1 and 1-2 provided herein.

Heterocyclic compound, organic light-emitting device including heterocyclic compound, and electronic apparatus including organic light-emitting device

An electronic device includes a first housing having a first through-hole, of which a first opening and a second opening are communicated with each other, and a second housing connected to the first housing to be rotatable. A flexible printed circuit board (FPCB) extends from the first housing to the second housing via the first through-hole. The FPCB includes a plurality of layers, a first sealing member disposed in the first through-hole and surrounding the FPCB, and a lamination part toward the first sealing member. A portion of a first layer and/or a second layer corresponding to the second lamination part includes at least one first valley extending from a surface that faces an adjacent layer in a lengthwise direction of the FPCB. The lamination part includes a first adhesive layer interposed between the first layer and the second layer and filling the at least one first valley.

Flexible printed circuit board having waterproof structure and foldable electronic device including the same

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.

The disclosure relates to a light emitting diode (LED) that is capable of emitting a plurality of lights having different wavelengths from one another, and independently controlling the intensity of the plurality of emitted lights and a manufacturing method of the LED, and a display device including the LED. Specifically, an LED according to the disclosure includes a first light emitting cell including an n-type semiconductor layer, a p-type semiconductor layer, and a first light emitting layer which respectively include at least one non-planar area, the first light emitting layer emitting a light of a first wavelength, a second light emitting cell including an n-type semiconductor layer, a p-type semiconductor layer, and a second light emitting layer which respectively consist of a planar area, the second light emitting layer emitting a light of a second wavelength different from the first wavelength of the light emitted from the first light emitting layer, a common electrode commonly connected with the first light emitting cell and the second light emitting cell, and a first pixel electrode and a second pixel electrode independently connected with each of the first light emitting cell and the second light emitting cell.

Light emitting diode, manufacturing method of light emitting diode and display device including light emitting diode

Organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise that comprise a surface agent of the Formula (I). where A and B are each independently hydrogen, optionally substituted alkyl or optionally substituted aryl; X and Y are each independently hydrogen, optionally substituted alkyl or optionally substituted carbocyclic aryl; and n is a positive integer. Preferred coating compositions can provide improved pattern collapse margin of an overcoated photoresist layer.

Coating compositions for use with an overcoated photoresist

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 anti-reflective coating composition is provided. The anti-reflective coating composition of the present invention can be useful in preventing a pull-back phenomenon in which an anti-reflective coating layer tears on a corner of a pattern of a substrate during a heat curing process and improving gap-filling performance of the pattern since a crosslinker is attached to a polymer in the composition and the content of the low-molecular-weight crosslinker in the composition is minimized to regulate a heat curing initiation temperature.

Organic bottom antireflective coating composition for nanolithography

A display apparatus is provided. The display apparatus includes a plurality of anode pads disposed on a substrate and spaced apart from each other along a first direction; a cathode pad disposed on the substrate and spaced apart from the plurality of anode pads along a second direction that crosses the first direction; a plurality of repair anode pads disposed on the substrate, spaced apart from each other along the first direction, and spaced apart from the plurality of anode pads and the cathode pad along the second direction; and a plurality of light emitting diodes (LEDs) disposed on the substrate and spaced apart from each other along the first direction, each of the plurality of LEDs including an anode that is electrically connected to a corresponding anode pad from among the plurality of anode pads and a cathode that is electrically connected to the cathode pad.

Display apparatus and manufacturing method thereof

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.

Light emitting diode device having multilayer filter for improving color characteristic of light

An LED, a manufacturing method thereof, and a display device including an LED are provided. Specifically, the disclosure relates to a flip-chip LED with high efficiency including a current confinement structure and a manufacturing method thereof, and a display device including such an LED. In particular, a flip-chip LED according to the disclosure includes a resistive area that surrounds a light-emitting layer and restricts current flow from the light emitting layer to the sidewalls.

Light emitting diode with ion implanted resistive area, manufacturing method of light emitting diode with ion implanted resistive area and display device including light emitting diode with ion implanted resistive area

The present invention relates to a method for forming a pattern by negative tone development (NTD) which is prepared by forming an anti-reflective coating composition layer comprising a photoacid generator between the substrate and the photoresist composition layer, and thus exhibits improved line width (CD) in the pattern and prevents pattern collapse owing to thorough activation of de-blocking of the photoresist composition layer during the exposure process.

Method for forming pattern using anti-reflective coating composition comprising photoacid generator

Growing community of inventors

Suwon-si, South Korea

Jihoon Kang