Samsung Electronics Co., Ltd.

Yun-woo Nam

Hoon Song

Jung-mok Bae

Suk-han Lee

Yong-Kweun Mun

Hong-seok Lee

Mi-jeong Song

Dong-Ki Min

Hoo-san Lee

Dae-Ho Lim

A two-dimensional (2D)/three-dimensional (3D) switchable image display device is provided. The 2D/3D switchable image display device forms gradation of an image in a light modulation panel, provides color to light beams that penetrate a plurality of electro-wetting prisms arranged in correspondence to the plurality of pixels of the image, and adjusts the direction of the light beam such that the light beams of the pixels of the image are directed towards at least two different view zones in a 3D mode and such that the light beams maintain their paths in a 2D mode.

2D/3D switchable image display device

Example embodiments relate to a reflective type display apparatus using dielectrophoresis and a method of manufacturing the reflective type display apparatus. The display apparatus may include a first substrate and a second substrate arranged so as to face each other; a hydrophobic insulating layer formed on the first substrate; a hydrophobic pattern electrode unit arranged to form a non-uniform electric field; a hydrophilic dielectric medium with hydrophobic uncharged particles therein in a space between the first substrate and the second substrate; and a reflective plate arranged under the first substrate. The display apparatus may form an image by using dielectrophoresis of the hydrophobic uncharged particles according to an electric field gradient formed by the hydrophobic pattern electrode unit.

Reflective type display apparatus using dielectrophoresis and method of manufacturing the reflective type display apparatus

A 2D/3D switchable backlight unit and an image display device employing the same are provided. The 2D/3D switchable backlight unit includes a light source, a light guide plate in which light emitted from the light source is total-internal-reflected, and a switch array comprising a plurality of switches that selectively contact a first surface of the light guide plate and emit light by frustrated total internal reflection inside the light guide plate. In 2D mode, each of the switches contacts the first surface of the light guide plate. In 3D mode, some of the switches contact the first surface of the light guide plate.

2D/3D switchable backlight unit and image display device

Example embodiments relate to a display apparatus using dielectrophoresis and a method of manufacturing the display apparatus. The display apparatus may include a display pixel, wherein the display pixel may include uncharged particles distributed in a dielectric medium that fills a cell area. A pattern electrode unit may be configured to produce a non-uniform electric field in the dielectric medium. A light transmittance of the display pixel may be adjusted by dielectrophoresis of the uncharged particles according to an electric field gradient.

Display apparatus using dielectrophoresis and method of manufacturing the display apparatus

Provided are a patterned magnetic recording medium which has an extremely planarized surface and a method of manufacturing the same. The medium includes a patterned magnetic layer including a plurality of magnetic columns that are arranged with a predetermined pitch therebetween; a substrate that supports the patterned magnetic layer; and a boundary layer, which is filled in gaps between the magnetic columns of the patterned magnetic layer. Thus, an air bearing due to stable airflow is created over the magnetic layer, and magnetic recording/reproduction are easily achieved at ultrahigh density.

Patterned magnetic recording medium and method of manufacturing the same

Example embodiments relate to a transflective display apparatus using dielectrophoresis and a method of manufacturing the transflective display apparatus. The display apparatus may include a display panel; a backlight unit providing the display panel with light for forming an image; and a reflective plate arranged under the backlight unit. The reflective plate may reflect external light incident thereon via the display panel back to the display panel. The display panel may include a plurality of pixel areas transmitting or blocking light using dielectrophoresis.

Transflective display apparatus using dielectrophoresis and method of manufacturing the transflective display apparatus

Provided are a method and an apparatus for reproducing information using a semiconductor probe. The apparatus includes a storage media including a ferroelectric recording layer which stores information by arranging a polarization direction of polarization domains of the ferroelectric recording layer and a physical recording layer disposed on the ferroelectric recording layer and whereupon information is written by forming pits in the physical recording layer, a semiconductor probe generating a composite signal including an electric field signal generated by an electric field variation of the ferroelectric recording layer of the storage media and a thermal signal generated by a temperature variation generated due to a variation in a shape of the physical recording layer, a signal detector detecting the composite signal from the semiconductor probe, and a demodulator demodulating the composite signal from the signal detector and extracting the electric field signal and the thermal signal from the composite signal.

Information media and method and apparatus for writing and reproducing information using the same

Provided are a fingerprint sensor and a fabrication method thereof. The fingerprint sensor includes: a complementary metal-oxide semiconductor structure which is formed on a substrate that is doped with a first type dopant; an insulating layer which is formed on the complementary metal-oxide semiconductor structure; a lower electrode which is formed in a central portion of the insulating layer; a piezoelectric region which is formed on the lower electrode; an upper electrode which is formed on the piezoelectric layer; and a fingerprint contact layer which is formed to cover a portion of an upper surface of the insulating layer on which the lower electrode has not been formed, the lower electrode, the piezoelectric region, and the upper electrode.

Fingerprint sensor and fabrication method thereof

A method of manufacturing a micromirror array and a method of manufacturing an optical device having a micromirror. The method of manufacturing a micromirror array includes forming an adhesion layer on a substrate and a magnetic layer on the adhesion layer, patterning the adhesion layer and magnetic layer, magnetizing the magnetic layer and forming a bonding layer on each side of the adhesion layer and the magnetic layer. The substrate is severed into units, each unit including the adhesion layer, the magnetic layer, and the bonding layer. A mirror surface is formed on a side of the substrate to form a unit micromirror structure. The unit micromirror structure is then placed in a holder to form a micromirror array.

Method of manufacturing micromirror array and method of manufacturing optical device having micromirror

A method for manufacturing a flexible MEMS transducer includes forming a sacrificial layer on a flexible substrate, sequentially depositing a membrane layer, a lower electrode layer, an active layer, and an upper electrode layer on the sacrificial layer by PECVD, sequentially patterning the upper electrode layer, the active layer, and the lower electrode layer, depositing an upper protective layer to cover the upper electrode layer, the lower electrode layer, and the active layer, patterning the upper protective layer to be connected to the lower electrode layer and the upper electrode layer, and then depositing a connecting pad layer and patterning the connecting pad layer to form a first connecting pad to be connected to the lower electrode layer and a second connecting pad to be connected to the upper electrode layer; and patterning the membrane layer to expose the sacrificial layer and removing the sacrificial layer.

Flexible MEMS transducer manufacturing method

A flexible wireless MEMS microphone includes a substrate of a flexible polymeric material, a flexible MEMS transducer structure formed on the substrate by PECVD, an antenna printed on the substrate for communicating with an outside source, a wire and interface circuit embedded in the substrate to electrically connect the flexible MEMS transducer and the antenna, a flexible battery layer electrically connected to the substrate for supplying power to the MEMS transducer, and a flexible bluetooth module layer electrically connected to the battery layer. The flexible MEMS transducer includes a flexible substrate, a membrane layer deposited on the substrate, a lower electrode layer formed on the membrane layer, an active layer formed by depositing a piezopolymer on the lower electrode layer, an upper electrode layer formed on the active layer, and a first and a second connecting pad electrically connected to the lower and upper electrode layers, respectively.

Growing community of inventors

Yongin-si, South Korea

Yun-woo Nam