Samsung Electronics Co., Ltd.

Lg Display Co., Ltd.

Sang-wook Lee

Yong-soo Oh

Hyeon-Cheol Kim

Keon Kuk

Jae-sik Min

Chang-seung Lee

Hyun-cheol Kim

Seo-hyun Cho

Yong-shik Park

Sang-hyun Lee

Kyoung-won Na

Kyong-il Kim

Jong-cheol Shin

Hyun-Jin Park

Jun-hyub Park

Seog Soon Baek

Doo-jin Maeng

Kwang-joon Yoon

Dong-Kyu Yoon

Jae-hyuck Shin

Kyung-Woo Lee

Sung-Jin Kim

Jung-Min Lee

Dae-Hyun Kim

Chang-Hyun Kim

Ki-Young Kim

Hyun-jung Kim

Taik-heon Rhee

Hee-bum Ahn

Ji-Hoon Jung

Su-Hyun Park

Ku-Hyun Park

Kyu-sub Kwak

Jong-Hoon Woo

Ho-chul Shin

Young-Joon Kim

Byoung-Har Hwang

Su-Bin Lee

Doo-woong Lee

Jae-keun Na

Kwang-min Byeon

Sun-min Park

Eun-Jung Lim

Woo-Keun Lee

A hub apparatus and a method are provided for selecting a device. The method includes receiving a service request; determining a sensor based on the received service request; receiving state information from a device including the determined sensor; and selecting the device based on the received state information.

Hub apparatus and method for providing service thereof

An electronic device and method for wirelessly receiving power are provided. The electronic device includes a wired power interface; a power receiving circuit; and a control circuit configured to control the power receiving circuit to wirelessly receive power from a wireless power transmitting device; and provide the received power to an external electronic device through the wired power interface.

Electronic device for wirelessly receiving power and operation method thereof

Provided is a liquid crystal display (LCD) device. An LCD device includes: a gate line on a substrate; first and second data lines crossing the gate line to respectively define first and second pixel regions; and a plurality of electrodes at each of the first and second pixel regions and including a plurality of bars, the plurality of electrodes including a first and a second outermost electrode, wherein the first data line overlaps an upper portion of the first outermost electrode of the first pixel region, and is spaced apart from a lower portion of the first outermost electrode of the first pixel region, and wherein the second data line is spaced apart from an upper portion of the second outermost electrode of the first pixel region, and overlaps a lower portion of the second outermost electrode of the first pixel region.

Liquid crystal display device and method of manufacturing the same

Methods and apparatuses are provided for controlling a wireless power transmitting device. Information is received about a position of an electronic device from another wireless power transmitting device. Power is transmitted to the electronic device using the information about the position of the electronic device received from the other wireless power transmitting device.

Wireless power transmitting device and method for controlling the same

A method of manufacturing a patterned retarder includes forming a retarder material layer by applying a retarder material to a substrate; drying the retarder material layer at a first temperature; exposing the retarder material layer to linearly-polarized UV, wherein the retarder material layer has an optical anisotropic property; and heat treating the retarder material layer at a second temperature higher than the first temperature to increase the optical anisotropic property of the retarder material layer.

Method of manufacturing retarder

A blue phase liquid crystal display device includes a first substrate having a first pixel region, a first gate line on the first substrate, first and second data lines on the first substrate, a first thin film transistor (TFT) and a second TFT disposed in the first pixel region, the first TFT connected to the first gate line and the first data line, and the second TFT connected to the first gate line and the second data line, a first pixel electrode in the first pixel region and connected to the first TFT, and a second pixel electrode in the first pixel region and connected to the second TFT, a second substrate facing the first substrate, and a liquid crystal layer between the first and second substrates, the liquid crystal layer having an optical isotropic property without an electric field and a birefringence property with the electric field.

Blue phase liquid crystal display device

A liquid crystal display device includes: first and second substrates facing and spaced apart from each other; a plurality of insulating patterns on an inner surface of the first substrate; a plurality of pixel electrodes and a plurality of common electrodes on the plurality of insulating patterns, the plurality of pixel electrodes alternating with the plurality of common electrodes, the adjacent pixel and common electrodes generating a horizontal electric field according to a driving voltage; and a liquid crystal layer between the first and second substrates, the liquid crystal layer including one of a blue phase liquid crystal molecules and a uniform standing helix liquid crystal molecules.

Liquid crystal display device

A liquid crystal display device having first and second substrates that face each other, a liquid crystal layer interposed between the first and second substrates, a thin film transistor (TFT) formed on the first substrate, and a pixel electrode electrically connected with the TFT and including a reflective portion having a reflective electrode and a transmissive portion having a transmissive electrode. Furthermore, the reflective electrode includes a conductive polymer material.

Transflective liquid crystal display and fabrication method thereof

A method for manufacturing the same, wherein the monolithic ink-jet printhead includes a manifold for supplying ink, an ink chamber having a hemispheric shape, and an ink channel formed monolithically on a substrate; a silicon oxide layer, in which a nozzle for ejecting ink is centrally formed in the ink chamber, is deposited on the substrate; a heater having a ring shape is formed on the silicon oxide layer to surround the nozzle; a MOS integrated circuit is mounted on the substrate to drive the heater and includes a MOSFET and electrodes connected to the heater. The silicon oxide layer, the heater, and the MOS integrated circuit are formed monolithically on the substrate. Additionally, a DLC coating layer having a high hydrophobic property and high durability is formed on an external surface of the printhead.

Method for manufacturing a monolithic ink-jet printhead

A portable wireless terminal, comprising a main body, a folder hinged to the main body so as to be opened from and closed into the main body, and a camera lens assembly rotatably connected to a hinge axis of the folder, such that the camera lens assembly is formed as a body tube so as to be drawn into and out from the main body in the direction of the hinge axis. The camera lens assembly of the portable wireless terminal is drawn out from one side of the terminal, to not limit the range of its photographing angle by the main body or the folder of the terminal. Further, the camera lens assembly drawn out from the main body of the portable wireless terminal is easily adjusted directionally, to allow for convenient manipulation by users.

Camera lens assembly and portable wireless terminal comprising the same

A bubble-jet type ink-jet printhead and manufacturing method thereof including a substrate integrally having an ink supply manifold, an ink chamber, and an ink channel; a nozzle plate having a nozzle on the substrate; a heater centered around the nozzle and an electrode for applying current to the heater on the nozzle plate; and an adiabatic layer on the heater for preventing heat generated by the heater from being conducted upward from the heater. Alternatively, a bubble-jet type ink-jet printhead may be formed on a silicon-on-insulator (SOI) wafer having a first substrate, an oxide layer, and a second substrate stacked thereon and include an adiabatic barrier on the second substrate. In the bubble-jet type ink-jet printhead and manufacturing method thereof, the adiabatic layer or the adiabatic barrier is provided to transmit most of the heat generated by the heater to ink under the heater, thereby increasing energy efficiency.

Method of manufacturing a bubble-jet type ink-jet printhead

A method of manufacturing a monolithic ink-jet printhead includes preparing a silicon substrate, forming an ink passage comprising a manifold supplying ink, an ink chamber filled with ink supplied from the manifold, an ink channel connecting the ink chamber to the manifold, and a nozzle through which the ink is ejected from the ink chamber, on the silicon substrate, and reprocessing a wall of the ink passage by passing XeF gas through the ink passage and dry etching the wall of the ink passage. In the reprocessing of the wall of the ink passage using XeF gas, the wall of the ink passage is smoothed, and a size of the ink passage can be more precisely adjusted to a design dimension, thereby improving a printing performance of the ink-jet printhead.

Method of manufacturing monolithic ink-jet printhead

A bubble-jet type ink-jet printhead, and a manufacturing method thereof are provided, wherein, the printhead includes a substrate integrally having an ink supply manifold, an ink chamber, and an ink channel, a nozzle plate having a nozzle, a heater consisting of resistive heating elements, and an electrode for applying current to the heater. In particular, the ink chamber is formed in a substantially hemispherical shape on a surface of the substrate, a manifold is formed from its bottom side toward the ink chamber, and the ink channel linking the manifold and the ink chamber is formed at the bottom of the ink chamber. Thus, this simplifies the manufacturing process and facilitates high integration and high volume production. Furthermore, a doughnut-shaped bubble is formed to eject ink in the printhead, thereby preventing a back flow of ink as well as formation of satellite droplets that may degrade image resolution.

Bubble-jet type ink-jet printhead and manufacturing method thereof

A monolithic ink-jet printhead, and a method for manufacturing the same, wherein the monolithic ink-jet printhead includes a manifold for supplying ink, an ink chamber having a hemispheric shape, and an ink channel formed monolithically on a substrate; a silicon oxide layer, in which a nozzle for ejecting ink is centrally formed in the ink chamber, is deposited on the substrate; a heater having a ring shape is formed on the silicon oxide layer to surround the nozzle; a MOS integrated circuit is mounted on the substrate to drive the heater and includes a MOSFET and electrodes connected to the heater. The silicon oxide layer, the heater, and the MOS integrated circuit are formed monolithically on the substrate. Additionally, a DLC coating layer having a high hydrophobic property and high durability is formed on an external surface of the printhead.

Monolithic ink-jet printhead

A bubble-jet type ink-jet printhead, a manufacturing method thereof and a method of ejecting ink, wherein, in the printhead, a manifold supplying ink, a hemispherical ink chamber, and an ink channel for connecting the manifold with the ink chamber are integrally formed on the substrate. A nozzle plate on the substrate having a nozzle, and a heater formed in an annular shape and centered around the nozzle are integrated without a complex process such as bonding. Thus, this simplifies the manufacturing process and facilitates high volume production. Furthermore, according to the ink ejection method, a doughnut-shaped bubble is formed to eject ink, thereby preventing a back flow of ink as well as formation of satellite droplets that may degrade image resolution.

Bubble-jet type ink-jet printhead, manufacturing method thereof, and ink ejection method

Growing community of inventors

Gyeonggi-do, South Korea

Sang-wook Lee