Lg Electronics Inc.

Yonsei University

Korea Institute of Science and Technology

Optis Cellular Technology, LLC

Hyung Ho Park

Jae Hoon Chung

Jin Soo Choi

Doo Hyun Sung

Jong Young Han

Han Gyu Cho

Kyu Jin Park

Eun Jong Lee

Sung Ho Moon

Min Seok Oh

Seung Woo Nam

Jong Min Kim

Suk Woo Lee

Moon Il Lee

Jin Sam Kwak

Jeong Hun Kim

Min Jae Kim

So Hye Cho

Jong Ku Park

Chan Woo Lee

Seung Hee Han

Hyun Soo Ko

Eunjong Lee

Jin Young Chun

Wookbong Lee

Seung Yong Lee

Seung Hyun Kang

Ki Hyoung Cho

Ae Ran Youn

Sang Hyun Kim

Sung Hwa Lee

Tae Won Lee

Jin Hyouk Shin

Ji Wook Chung

Doo Hyun Seong

Seong Ho Moon

Tae Man Yang

Kyung Mun Kang

Yang Hwa Lee

Chabungbam Akendra Singh

Yue Wang

Bong Geun Song

Doo-Hyun Sung

Ok Chun Hyun

Chi Young Choi

Minseok Oh

Jin-Soo Choi

Jae Soo Jang

Seung Jae Baeck

Bong Jo Sung

Bong Gun Song

Jung Ryun Lee

Young Hun Kim

Ji Hun Lee

Kyunghoon Kim

Hang Gyu Cho

Bo In Park

Hoon Cheol Jeon

Yee Kyeong Jung

Hae Noo Ree Jung

Hee Yoon Chung

Joog Sung Park

Joon Sung Park

The present invention provides an aerogel and a method for manufacturing the same, in which the size of the particles can be prepared to be very small and uniform because aerogel particles can be formed in the emulsion, and through this, the size of the pores forming the aerogel can also be prepared to be uniform, and furthermore, since an additional post-treatment step is not required, the excellent properties of the aerogel can be sufficiently used without mechanical deformation of the aerogel to enhance the utilization in various industrial fields.

Hydrophobic aerogel and method for manufacturing the same

Proposed is an air purifying filter. The air purifying filter includes a filtering layer () configured as a dielectric which collects minute particles, a first electrode layer () laminated on a side of the filtering layer () and comprising insulated wires () to which power is able to be applied, and a second electrode layer () laminated on a side of the filtering layer () opposite to the side of the first electrode layer and comprising a conductive material such that a polarity opposite to a polarity of the first electrode layer () is applied to the second electrode layer or the second electrode layer is grounded.

Air purifying filter

Provided are a piezoluminescence structure, a piezoelectric structure, a manufacturing method thereof, and a high-sensitivity pressure sensor using the same. The piezoelectric structure includes: a plurality of perovskite material layers each including a material having an ABOperovskite structure; and interlayers inserted between the plurality of perovskite material layers and including A*O which is a metal oxide having reaction resistance to CO. Here, A and A* are different elements and are one of an alkaline earth metal element, an alkali metal element, a lanthanide element, and a post-transition metal element, B is a transition metal element, O is an oxygen element, and n is a positive (+) integer. The piezoelectric structure may be a piezoluminescence structure.

Piezoluminescence structure, piezoelectric structure, manufacturing method thereof, and high sensitivity pressure sensor using the same

The present invention relates to a piezoelectric structure, a method of fabricating the same, and a pressure sensor using the same. A piezoelectric structure comprises perovskite structure layers including a material having an ABOperovskite structure and an interlayer including a metal oxide A*O interposed between the perovskite structure layers. A or A*is one of an alkaline earth metal element, an alkali metal element, a lanthanum group element, and a post-transition metal element, B is a transition metal element, and O is an oxygen element.

Piezoelectric structure, method for manufacturing thereof and high sensitive pressure sensor using the same

Provided are a porous structure and a method of fabricating the same. The porous structure may include an aluminum oxide containing at least one of fluorine and phenyl group. For example, the porous structure may be formed from alumina which contains fluorine or phenyl group. The method of fabricating the porous structure may include preparing an aluminum precursor including at least one of fluorine and phenyl group; providing a precursor solution by mixing the precursor with a solvent; and forming the porous structure having 3-dimensional network structure including the aluminum oxide containing the at least one of fluorine and phenyl group from the precursor solution through gelation.

Porous structure and method of fabricating the same

An air conditioner capable of efficiently collecting foreign substances in the air is disclosed. The air conditioner includes a cabinet, an air blower disposed in the cabinet to cause air to flow, a dust collector case forming a channel for the air caused to flow by the air blower, at least one electrode provided in the dust collector case and formed of carbon fibers to generate ions, and a charged dust collecting filter to collect foreign substances charged by ions generated by the electrode.

Air conditioner

A method for efficiently transmitting and receiving a paging message and system information from and in a mobile station of a broadband wireless access system is disclosed. A method for receiving a paging message in a mobile station comprises receiving paging information from a serving base station, the paging information including paging sub group identifier (paging sub group ID) indicating a paging sub group to which the mobile station belongs; and receiving the paging message for a predetermined paging interval of the paging sub group, wherein the paging sub group is determined separately from a paging group and a geographical location determining the paging group, and is maintained while the mobile station is being operated in an idle mode.

Method for transmitting and receiving paging information in a broadband wireless access system

A method of data transmission using HARQ is provided. The method includes transmitting an uplink data, receiving an ACK/NACK signal for the uplink data, keeping the uplink data in a HARQ buffer when the ACK/NACK signal is an ACK signal, and retransmitting the uplink data when an uplink scheduling information for retransmission of the uplink data is received. In the present invention, a transmission error in an ACK/NACK signal is promptly detected, and thus data can be transmitted at a high speed.

Method of transmitting data using HARQ

A data retransmission method using hybrid automatic repeat request (harq) includes transmitting a data block, receiving a retransmission request signal for the data block, generating a retransmission block by performing swapping or inversion between bits constituting the data block according to the retransmission request signal, and transmitting the retransmission block.

Method of transmitting data using constellation rearrangement

A method of transmitting data using hybrid automatic repeat request (HARQ) is provided. The method includes transmitting an initial data, receiving a retransmission request for the initial data, generating a retransmission data by shifting the phase of the initial data on signal constellation and transmitting the retransmission data. Inter-cell interference or intra-cell interference can be mitigated.

Method of transmitting data to mitigate interference

Provided is a copper indium gallium selenium (CIGS)- or copper zinc tin sulfur (CZTS)-based solar cell including a back electrode layer and a light-absorbing layer, wherein the light-absorbing layer has a composition of CuInGa(SSe)(wherein 0.85&#x2266;x&#x3c;1, 0&#x3c;y&#x3c;1, 0&#x3c;z&#x3c;1, and each of x, y and z represents a real number) or CuZnSn(SSe)(wherein 1.4&#x2266;p&#x3c;2, 0&#x3c;q&#x3c;2, 0&#x3c;r&#x3c;2, and each of p, q and r represents a real number). The CIGS- or CZTS-based thin-film solar cell causes no interlayer delamination and has improved durability and photoelectric conversion efficiency. Also provided is a method for fabricating a CIGS- or CZTS-based thin-film solar cell by which conversion of molybdenum back electrode layer to molybdenum diselenide is controlled.

CIGS- or CZTS-based film solar cells and method for preparing the same

A method of selecting a modulation and coding scheme (MCS) index in a wireless communication system is disclosed. More specifically, the method includes measuring a frequency selectivity of a receiving channel, selecting a MCS index having a coding rate below a prescribed coding rate threshold value if the measured frequency selectivity is greater than or equal to a specified frequency selectivity threshold, and selecting the MCS index having the coding rate above or equal to the prescribed coding rate threshold value if the measured frequency selectivity is less than the specified frequency selectivity threshold.

Method and apparatus for selecting modulation and coding scheme (MCS) index based on frequency selectivity

A method is described for transmitting signals in a mobile communication system which splits an information block into a plurality of split-information blocks and performs a hybrid automatic repeat request (HARQ) process upon each of the split-information blocks. A method is also described for reducing control information overhead by transmitting control information only through one control channel when splitting an information block and transmitting split-information blocks through a plurality of subframes or a plurality of resource blocks. The segmentation of the information block is performed in a physical layer to reduce medium access control (MAC) overhead and to simplify implementation.

MAC PDU splitting based on a subframe size with CRC added to the split unit

The present invention relates to a ventilating apparatus and to a method for controlling the ventilating apparatus. More particularly, the present invention relates to a ventilating apparatus comprising a humidifying unit having an antibiotic function, as well as to a method for controlling the ventilating apparatus.

Ventilating apparatus, and method for controlling the ventilating apparatus

Growing community of inventors

Anyang-si, South Korea

Hyung Ho Park