Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.

Abstract: A source driving circuit including source channels each of which includes a source amplifier is disclosed. The source amplifier includes an internal amplifier configured to output a first pull-up signal and a first pull-down signal in response to a first gamma signal; an output circuit configured to output a first source driving signal in response to the first pull-up signal and the first pull-down signal; and first and second switch circuits connecting the internal amplifier and the output circuit, and configured to transfer the first pull-up signal and the first pull-down signal corresponding to the first gamma signal or a second pull-up signal and a second pull-down signal corresponding to a second gamma signal of another source channel, to the output circuit.

Abstract: A source driving circuit includes a first source channel configured to output a first source driving signal to a display panel; a second source channel configured to output a second source driving signal to the display panel; a first gamma circuit configured to output first gamma values to the first source channel; and a second gamma circuit configured to output second gamma values to the second source channel. The first gamma circuit may set the first gamma values to values corresponding to red or green depending on a first switching operation of a first demultiplexer of the display panel corresponding to the first source channel. The second gamma circuit may set the second gamma values to values corresponding to blue or green depending on a second switching operation of a second demultiplexer of the display panel corresponding to the second source channel.

Abstract: A disk assembly may include: a first disk engaged with a compressor section of a gas turbine; a second disk engaged with a turbine section of the gas turbine; and a third disk disposed between the first and second disks, and transferring torque applied to the second disk to the first disk. The third disk has a plurality of legs formed on an inner circumferential surface thereof, the plurality of legs being in contact with an outer circumferential surface of a tie bolt of the gas turbine.

Abstract: A display device includes: a plurality of first electrode patterns; a plurality of second electrode patterns; a plurality of first touch signal lines; and a plurality of second touch signal lines. The plurality of first electrode patterns respectively include a plurality of first electrode cells physically separated from each other and arranged in a first direction. The plurality of second electrode patterns include a plurality of second electrode cells physically separated from each other and arranged in a second direction crossing the first direction. The plurality of first touch signal lines are connected to the first electrode cells. The plurality of second touch signal lines are connected to the second electrode cells. The first and second electrode patterns and the first and second touch signal lines are all positioned at the same layer on a substrate. The first touch signal lines are independently connected to each first electrode cell.

Abstract: An apparatus for providing multi-party conference and a method for assigning an encoder in the apparatus are provided. The apparatus for providing multi-party conference according to one embodiment of the present disclosure includes: an image quality determination module configured to determine an image providing quality for a terminal connected to a multi-party conference created in the apparatus; and an encoder assignment module configured to assign an encoder to the terminal based on the image providing quality, wherein when an assignable encoder does not exist at the time of assigning the encoder, the encoder assignment module retrieves one encoder among previously assigned encoders and assigns the retrieved encoder to the terminal.

Abstract: A peer-to-peer communication system in a partial mesh network includes a relay server configured to add, to a relay list, subscription information of a reception terminal included in a data subscription request in response to the data subscription request received from the reception terminal and a transmission terminal configured to receive the data subscription request from the relay server and add the subscription information of the reception terminal to a server transmission list.

Abstract: A display device includes: a plurality of first electrode patterns; a plurality of second electrode patterns; a plurality of first touch signal lines; and a plurality of second touch signal lines. The plurality of first electrode patterns respectively include a plurality of first electrode cells physically separated from each other and arranged in a first direction. The plurality of second electrode patterns include a plurality of second electrode cells physically separated from each other and arranged in a second direction crossing the first direction. The plurality of first touch signal lines are connected to the first electrode cells. The plurality of second touch signal lines are connected to the second electrode cells. The first and second electrode patterns and the first and second touch signal lines are all positioned at the same layer on a substrate. The first touch signal lines are independently connected to each first electrode cell.

Abstract: The present disclosure provides a technique for supplying different voltages to a plurality of adjacent electrodes, sensing a voltage formed on each electrode, and diagnosing a short-circuit failure of each electrode.

Abstract: A touch panel including: a first electrode pattern arranged in a first direction, including a plurality of first electrode cells that are physically separated from each other; a second electrode pattern arranged in a second direction crossing the first direction, including a plurality of second electrode cells that are physically separated from each other; first touch signal lines connected to the first electrode cells; and second touch signal lines connected to the second electrode cells. The electrode patterns and the touch signal lines are arranged on the same layer on a substrate such that a first virtual connection line for connecting centers of second electrode cells of a first group corresponding to an n-th first electrode cell crosses a second virtual connection line for connecting centers of second electrode cells of a second group corresponding to an (n+1)-th first electrode cell.

Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.

Abstract: Provided is a technology for generating a sensor-driving waveform using a waveform generator, generating a sensor-driving signal and a sensor-driving auxiliary signal according to the sensor-driving waveform, and providing the same to a sensor electrode and adjacent electrodes.

Abstract: A touch screen including a substrate that includes an active area and a non-active area adjacent to the active area, the active area including at least one fingerprint recognition area; touch sensing electrodes including first sensing electrodes arranged in the active area, and at least one second sensing electrode arranged in the fingerprint recognition area, the second sensing electrode configured for sensing a touch and recognizing a fingerprint; and a pad portion provided with a plurality of pads which are electrically connected to respective sensing electrodes, wherein the at least one second sensing electrode includes: a plurality of sub electrodes extending in a direction inclined with respect to an edge portion of the active area; and a plurality of fingerprint recognition lines connecting the sub electrodes to the pad portion, and the fingerprint recognition lines arranged in a same fingerprint recognition area extend in a same direction.

Abstract: A touch panel including: a first electrode pattern arranged in a first direction, including a plurality of first electrode cells that are physically separated from each other; a second electrode pattern arranged in a second direction crossing the first direction, including a plurality of second electrode cells that are physically separated from each other; first touch signal lines connected to the first electrode cells; and second touch signal lines connected to the second electrode cells. The electrode patterns and the touch signal lines are arranged on the same layer on a substrate such that a first virtual connection line for connecting centers of second electrode cells of a first group corresponding to an n-th first electrode cell crosses a second virtual connection line for connecting centers of second electrode cells of a second group corresponding to an (n+1)-th first electrode cell.

Abstract: Disclosed are a heteropolyacid catalyst for producing gamma-valerolactone, which is supported on M-Beta zeolite (M=Sn, Ti, Zr or Hf), and a method for preparing the same and a method for manufacturing gamma-valerolactone using the catalyst. The catalyst has an effect of producing gamma-valerolactone from biomass-derived furfural at a high yield through a one-pot process.

Abstract: Disclosed are a heteropolyacid catalyst for producing gamma-valerolactone, which is supported on M-Beta zeolite (M=Sn, Ti, Zr or Hf), and a method for preparing the same and a method for manufacturing gamma-valerolactone using the catalyst. The catalyst has an effect of producing gamma-valerolactone from biomass-derived furfural at a high yield through a one-pot process.

Abstract: A circuit board includes a substrate and conductive patterns disposed inside or on the substrate, in which two neighboring conductive patterns are separated from each other by a gap disposed therebetween, and the conductive pattern includes first cut patterns connected to the gap and disposed toward an inside of the conductive pattern.

Abstract: Provided are a conference system and a method for controlling bandwidth thereof. According to embodiments of the present disclosure, the conference system enables a bandwidth pattern obtained from one terminal to be shared with other terminals connected to the conference in the same area as the terminal, such that a process of identifying bandwidths of users connected to the conference in the area may be omitted, thereby reducing a time required for stabilizing a service quality.

Abstract: Provided are a conference access method and a terminal for performing the same. A terminal according to an embodiment of the present disclosure includes: an interface configured to receive a plurality of different access addresses for access to a conference from a conference server; an access attempter configured to attempt to simultaneously access the conference via each of the plurality of access addresses; and a priority allocator configured to collect an access result for each of the plurality of access addresses, and to allocate an access priority to each of the plurality of access addresses based on the access result, wherein the access attempter attempts to access the conference via an access address having a highest access priority among the plurality of access addresses.

Abstract: Disclosed is a pore adjusting filtering apparatus including: a cylinder having a plurality of holes and in which a screw is rotatably installed; an endless track coupled to an outer peripheral surface of the cylinder by a cylinder, an endless track pin, and a support to be rotatable together with the cylinder; a fiber yarn bundle support rod inserted into the endless track to be connected to the endless track; a fiber yarn bundle, one end of which is fitted with and supported by the fiber yarn bundle support rod; a fiber yarn bundle support net for supporting the fiber yarn bundle while being attached to an outer peripheral surface of the fiber yarn bundle; a cleaning separator fixedly installed at an upper outer side of the cylinder; and an ejector installed on an upper outer side of the cylinder.