Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Byong-gwon Song

Moon-Jin Shin

Jae-eun Jang

Deuk-Seok Chung

Yong-wan Jin

Seung-nam Cha

Ho-suk Kang

Andrei Zoulkarneev

Jung-woo Kim

Jun-Hee Choi

Min-Jong Bae

Ha-Jong Kim

Joo-Young Kim

Jun-hee Choi

Deuk-seok Chung

Young-jun Yun

Hyuk-jun Kwon

Chan-wook Baik

Kyoung-Won Min

Joon-won Bae

Jun Hee Choi

A photonic crystal structure includes a nano structure layer including a plurality of nano particles of various sizes, and a photonic crystal layer on the nano structure layer. The plurality of nano particles are spaced apart from each other. The photonic crystal layer has a non-planar surface, and is configured to reflect light of a particular wavelength.

Photonic crystal structure, method of manufacturing the photonic crystal structure, reflective color filter, and display apparatus employing the photonic crystal structure

Disclosed are p-n zinc (Zn) oxide nanowires and a methods of manufacturing the same. A p-n Zn oxide nanowire includes a p-n junction structure in which phosphorus (P) is on a surface of a Zn oxide nanowire.

P-n zinc oxide nanowires and methods of manufacturing the same

A reflective display device including: a substrate; a reflective layer on the substrate and configured to reflect light incident on the reflective layer; a color filter layer on the reflective layer; and an optical shutter layer on the color filter layer. Each pixel of a plurality of pixels of the reflective display device includes a plurality of sub-pixels and each sub-pixel includes the substrate, the reflective layer, the color filter layer, and the optical shutter layer, and for each pixel, the color filter layer includes a plurality of color filter elements corresponding to colors respectively obtained by the plurality of sub-pixels. At least one of the plurality of color filter elements includes a composite color area including a plurality of white areas configured to let white light pass through them such that the white light is directly reflected by the reflective layer and the plurality of white areas are discontinuously distributed in at least a portion of the composite color area through which light of the obtained colors passes.

Reflective display device

A reflective display device may include pixels. Each pixel may include sub-pixels. Each sub-pixel may include first and second substrates spaced apart from each other; a driving unit formed on a top surface of the first substrate; a reflective layer, acting as a first electrode to which a voltage is applied by the driving unit, disposed above the driving unit; a second electrode formed on a bottom surface of the second substrate; a color filter layer disposed between the reflective layer and the second electrode; and a polymer dispersed liquid crystal (PDLC) layer. If the color filter layer is formed on the reflective layer; then the PDLC layer may be disposed between the second electrode and color filter layer. If the color filter layer is formed on a bottom surface of the second electrode, then the PDLC layer may be disposed between the reflective layer and color filter layer.

Reflective display devices and methods of manufacturing the same

A nanowire electronmechanical device with an improved structure and a method of fabricating the same prevent burning of two nanowires which are switched due to contact with each other while providing stable on-off switching characteristics. The nanowire electromechanical device comprises: an insulating substrate; first and third electrodes spaced apart from each other on the insulating substrate, wherein a negative voltage and a positive voltage, varying within a predetermined range, are applied to the first and third electrodes, respectively; a second electrode interposed between the first and third electrodes, a constant positive voltage, lower than the voltage applied to the third electrode, being applied to the second electrode; a first nanowire vertically grown on the first electrode and charged with a negative charge; a second nanowire vertically grown on the second electrode and charged with a positive charge; and a third nanowire vertically grown on the third electrode and charged with an amount of positive charge corresponding to the magnitude of the varying voltage applied to the third electrode.

Nanowire electromechanical device and method of fabricating the same

A field emission backlight unit includes: upper substrate and lower substrate separated from each other and facing each other; an anode formed on a bottom surface of the upper substrate; a phosphor layer formed on a bottom surface of the anode; a plurality of cathodes and gate electrodes alternately formed on a top surface of the lower substrate; and emitters formed on the cathodes; the gate electrodes include first gate electrodes formed of a conductive material on the top surface of the lower substrate and second gate electrodes having a greater thickness than that of the first gate electrodes and formed on a top surface of the first gate electrodes.

Field emission backlight unit

A Field Emission Device (FED) and its method of manufacture includes: forming a substrate; forming a cathode having a cathode aperture on an upper surface of the substrate; forming a material layer having a first through hole with a smaller diameter than that of the cathode aperture on an upper surface of the cathode; forming a first insulator having a first cavity on an upper surface of the material layer; forming a gate electrode having a second through hole on an upper surface of the first insulator; and forming an emitter in a central portion of the cathode aperture.

Field emission device (FED) having cathode aperture to improve electron beam focus and its method of manufacture

A thermal electron emission backlight unit includes: first and second substrates arranged parallel to each other; first and second anode electrodes respectively arranged on inner surfaces between the first and second substrates; wall frames adapted to seal an inner space between the first and second substrates; a movable spacer holder and a fixed spacer holder arranged inside the wall frames to face each other; a plurality of spacers arranged between the first and second substrates and adapted to maintain a gap therebetween, wherein ends of the spacers are coupled to the movable and fixed spacer holders; a plurality of cathode electrodes arranged across the spacers between the first and second substrates; and a phosphor layer arranged on the second anode electrode. The spacers include tension spacers adapted to provide tension between the movable and fixed spacer holders by pushing the movable spacer holder away from the fixed spacer holder. The first substrate is adapted to pass white light therethrough.

Thermal electron emitting backlight unit

A memory device that performs writing and reading operations using a mechanical movement of a nanowire, and a method of manufacturing the memory device are provided. The memory device includes a source electrode, a drain electrode, and a gate electrode, each of which is formed on an insulating substrate. A nanowire capacitor is formed on the source electrode. The nanowire capacitor includes a first nanowire vertically grown from the source electrode, a dielectric layer formed on the outer surface of the first nanowire, and a floating electrode formed on the outer surface of the dielectric layer. A second nanowire is vertically grown on the drain electrode. The drain electrode is arranged between the source electrode and the gate electrode. The second nanowire is elastically deformed and contacts the nanowire capacitor when a drain voltage is applied to the drain electrode, and polarity of the drain voltage is opposite to polarity of a source voltage that is applied to the source electrode. Information is stored in the memory device in a form of a charged or non-charged state of the nanowire capacitor. Reading and writing operation of the memory device is performed by the mechanical movement of the second nanowire.

Mechanical memory device and method of manufacturing the same

A sealing structure for a field emission display (FED) device and a method of manufacturing the same is provided. The sealing structure includes an upper substrate, a lower substrate, spacers, and a frit, wherein at least one exhaust outlet is formed in the frit. The method of manufacturing the sealing structure of the FED device prepares a lower substrate and an upper substrate, installs a frit having at least one exhaust outlet between the lower substrate and the upper substrate, and heats the lower substrate and the upper substrate while arranging the upper substrate on the lower substrate at a predetermined temperature to melt the frit in order to seal the space between the lower substrate and the upper substrate. Inner gas can be easily exhausted and the inside of the FED is reliably sealed while preventing damages of the spacers.

Sealing structure of field emission display device and method of manufacturing the same

A spacer supporting structure includes: a plurality of bar-shaped spacers adapted to maintain a gap between two panels; a first supporting member adapted to fix an end part of the spacer, the first supporting member being arranged on an edge of one of the two panels; a second supporting member arranged on another edge of the one of the two panels; and a plurality of elastic members arranged on the second supporting member, the plurality of elastic members adapted to apply a tensile force to the respective spacers by being coupled to the second ends of the spacers.

Supporting spacers of a flat display device

A thermal electron emission backlight device comprises: a first substrate and a second substrate disposed in parallel and separated by a predetermined distance from each other; a first anode electrode and a second anode electrode facing the first anode electrode, the first and second anode electrodes being formed on inner surfaces of the first substrate and the second substrate, respectively; cathode electrodes disposed at predetermined intervals and in parallel with each other between the first substrate and the second substrate; a phosphor layer formed on the second anode electrode; and a plurality of spacers disposed between the first substrate and the second substrate so as to maintain the predetermined distance therebetween. When a predetermined voltage is applied to the cathode electrodes, thermal electrons are emitted from the cathode electrodes.

Thermal electron emission backlight device

A field emission backlight device may include a first substrate and a second substrate separate from and roughly parallel to each other, a first anode electrode and a second anode electrode that face each other on inner surfaces of the first substrate and the second substrate, and cathode electrodes separate from and roughly parallel to one another between the first substrate and the second substrate. It may also include electron emission sources disposed on the cathode electrodes to emit electrons by an electric field and a phosphorous layer disposed on the first anode electrode or the second anode electrode.

Growing community of inventors

Seoul, South Korea

Byong-gwon Song