Abstract: An ink cartridge easily attached to and removed from an inkjet printer and an ink circulation system of the inkjet printer. The ink cartridge includes a plurality of print heads ejecting ink, an ink channel unit supplying ink to the plurality of print heads, at least one filter unit filtering ink supplied to the ink channel unit, and at least one septum unit connecting the ink channel unit, at least one filter unit, and the inkjet printer. The ink circulation system includes the ink cartridge, an ink tank storing ink to be supplied to the ink cartridge, at least one 3-way valve interposed between the ink cartridge and the ink tank to selectively control channel circulation and priming circulation, the channel circulation circulating ink in the ink channel unit and the priming circulation circulating ink in the at least one filter unit, and an ink pump interposed between the at least one 3-way valve and the ink tank for providing driving power for circulating ink.

Abstract: Provided is a nozzle capping device of an inkjet printer including a cap covering a nozzle chip of an inkjet head, and a humidity supply unit supplying humidity to an inner space formed by the cap covering the nozzle chip and the inkjet head.

Abstract: A liquid crystal display and a fabricating method thereof are provided. The liquid crystal display includes a light guide plate (LGP) guiding light, a light source that is disposed at one side of the LGP, a bottom receiving container including a bottom plate disposed below the LGP and the light source and a cover that covers the light source and is integrally formed with the bottom surface, a reflective sheet member laminated inside the cover facing the light source, a reflective sheet positioned on the bottom plate, a liquid crystal panel receiving the light from the light source and displaying an image, and a top receiving container including a top plate having a window to expose the liquid crystal panel outside, and a first sidewall portion extending along the boundary of the top plate.

Abstract: A display substrate having a low-resistance metallic layer and a method of manufacturing the display substrate. The gate conductors are extended in a first direction. The source conductors are extended in a second direction crossing the first direction including a lower layer of molybdenum or a molybdenum alloy, and an upper layer of aluminum or an aluminum alloy. The pixel areas are defined by the gate conductors and the source conductors. A switching element is formed in each of the pixel areas and includes a gate electrode extended from the gate conductor and a source electrode extended from the source conductor. The pixel electrode includes a transparent conductive material, and is electrically connected to a drain electrode of the switching element.

Abstract: A light blocking member having variable transmittance, a display panel including the same, and a manufacturing method thereof. A light blocking member having a variable transmittance according to one exemplary embodiment includes a polymerizable compound, a binder, and a thermochromic material that exhibits a black color at a temperature below a threshold temperature and becomes transparent at a temperature above the threshold temperature.

Abstract: A display apparatus includes a display panel which displays images, a light source unit which generates and emits a light, a reflective sheet disposed below the display panel, and a plate disposed between the reflective sheet and the display panel. The reflective sheet includes a light diffusion pattern provided on an upper surface thereof facing the display panel, which diffusely reflects the light, to guide the light provided from the light source unit toward the display panel. The plate is spaced apart from the reflective sheet by a predetermined distance and includes a plurality of prisms provided on a lower surface thereof facing the reflective sheet to selectively reflect and transmit the light, which is provided from both the light source unit and the reflective sheet, according to an incident angle of the light.

Abstract: An image forming apparatus and a paper feeding method used with the image forming apparatus. An image forming apparatus includes: a paper feeding unit to accommodate a plurality of papers loaded thereon; a pick-up roller which picks up the papers loaded in the paper feeding unit and is set to rotate at multi-step speeds; a paper arrangement unit which aligns the papers to be transferred without skewing by applying a constant pressure to the front end of a paper transferred by a the pick-up roller; a printing unit which is disposed below the paper arrangement unit and forms a predetermined image on the transferred paper; a paper type sensing element which is disposed on a paper transfer path along which the paper feeding unit, the pick-up roller, the paper arrangement unit, and the printing unit are arranged; and a control unit which operates the pick-up roller at a rotation speed according to an identified paper type.

Abstract: A transflective LCD having a transmissive area and a reflective area according to an exemplary embodiment of the present invention includes a first substrate, a plurality of pixel electrodes formed on the first substrate and including a plurality of reflective electrodes having protrusion patterns and depression patterns, a second substrate facing the first substrate, a plurality of color filters formed on the second substrate and having a light hole in the reflective area, and a common electrode formed on the color filters. The size of the protrusion patterns in a first reflective area having the light hole is different from that in a second reflective area having no light hole, and the size of the protrusion patterns at the center of the first reflective area may be larger than that in the second reflective area.

Abstract: An apparatus and method for reducing power consumption of a receiver of a mobile communication system are provided. The apparatus includes an adaptive multi-tap segment channel estimator for determining a segment size according to a delay spread value for each channel tap, for determining a channel estimation frequency by determining a sum of segment block energy, and for allocating each segment to the channel estimator.

Abstract: A display substrate having a low-resistance metallic layer and a method of manufacturing the display substrate. The gate conductors are extended in a first direction. The source conductors are extended in a second direction crossing the first direction including a lower layer of molybdenum or a molybdenum alloy, and an upper layer of aluminum or an aluminum alloy. The pixel areas are defined by the gate conductors and the source conductors. A switching element is formed in each of the pixel areas and includes a gate electrode extended from the gate conductor and a source electrode extended from the source conductor. The pixel electrode includes a transparent conductive material, and is electrically connected to a drain electrode of the switching element.

Abstract: A ZIGBEE® network system and a method for assigning an Internet Protocol (IP) address in a ZIGBEE® network system are provided. The ZIGBEE® network system includes a client device for joining a ZIGBEE® network and being assigned an IP address used for transmitting and receiving data; a server device for assigning the IP address to the client device; and a ZIGBEE® coordinator for forming the ZIGBEE® network, storing server profile information for each server device that has joined the formed ZIGBEE® network, receiving client profile information for the client device from the client device, and determining a server device that will assign an IP address to the client device, using the received client profile information.

Abstract: A toner path opening and closing apparatus of an image forming device includes a first shutter elastically supported by a first elastic member to open and close a first toner path, and a second shutter elastically supported by a second elastic member having an elastic modulus smaller than the first elastic member to open and close a second toner path by the first shutter. After the second toner path is opened by the first shutter, the first is opened, so that the first and second toner paths communicate with each other. The first toner path is a toner supplying pipeline to which a toner is supplied from a toner cartridge, and the second toner path is a toner injecting port disposed in a developing unit.

Abstract: A thin film transistor array panel including a substrate; a display area signal line; a display area thin film transistor; a peripheral area signal line; a black matrix disposed on the display area signal line, the display area thin film transistor, and the peripheral area signal line, the black matrix including a first and a second contact holes exposing the peripheral area signal line; a protrusion member disposed on the peripheral area signal line, the protrusion member overlapping the peripheral area signal line; a transparent connector disposed on the black matrix and within the peripheral area, wherein the transparent connector contacts the peripheral area signal line through at least one of the first and the second contact holes and includes a protrusion within at least one of the first and the second contact holes which corresponds to the protrusion member; and a pixel electrode.

Abstract: Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit enters the light guide plate, an upper surface joined to the incident light surface and that includes a prism pattern, and a lower surface opposing the upper surface and formed with a plurality of concave portions. A diffusing pattern is formed on one of the upper surface and the lower surface.

Abstract: An inkjet image forming apparatus includes a print head, an ink tank to store ink, an ink feeding path to feed the ink from the ink tank to the print head, a filter disposed on the ink feeding path, and a press unit disposed on the ink feeding path between the filter and the print head, to press the ink present in the ink feeding path toward the ink tank. The press unit repeats a first operation to press the ink in the ink feeding path toward the ink tank, and a second operation to suck the ink in the ink feeding path.

Abstract: An LCD array substrate for a transflective-type LCD includes an E-field reflecting section formed under a transmitting window that reflects light when an electric field is applied. A gate line, a gate electrode and a transparent electrode are formed on a substrate. A channel layer between source and drain electrodes and an E-field reflecting layer are formed on the gate electrode and the transparent electrode, respectively. Portions of a protecting layer are removed to form a contact hole disposed over the drain electrode, and a light-transmitting hole over the E-field reflecting layer. A pixel electrode that is electrically connected to the drain electrode through the contact hole, makes contact with the E-field reflecting layer through the light-transmitting hole.

Abstract: An image forming apparatus includes a bubble removing apparatus to remove bubbles from a channel and a chip of a printhead by applying a pressure to an ink circulation line using a pumping unit. The pumping unit includes a housing, a vibration unit to generate pressure variations to move ink from the intake to the outlet including a circulation cam to circulate ink contained in the channel of the printhead along the ink circulation line and a purging cam to vibrate the vibration unit to discharge the ink contained in the chip of the printhead through a nozzle, and a clutch unit to transmit power from the motor to the circulation cam or the purging cam in a selective manner.

Abstract: One or more embodiments of the present disclosure relate to a circuit board having a substrate and a plurality of differential signal lines formed on the substrate and transmitting differential signals. The differential signal lines include a first signal line and a second signal line. The first signal line and the second signal line extend along at least two paths that are parallel to each other. The paths of the first signal line and the second signal line switch at path change portions, and the path change portions of neighboring differential signal lines are positioned at different distances away from an edge of the circuit board along the length direction of the differential signal line.

Abstract: A monolithic light guiding and dispersing plate is provided in a backlighted display panel for receiving input light from one or more edge sources and for guiding the received light throughout the plate for substantially uniform reflection upwardly and substantially uniform dispersal toward an image forming plane located above the light guiding and dispersing plate. In one embodiment, the light guiding and dispersing plate has a light receiving surface upon which the light generated by an edge light source is incident, a top major surface which is adjacent to the light receiving surface and on which a plurality of first protrusions are formed and elongated in a first direction, wherein the first protrusions have cross-sections in the shapes of partial ellipses. The plate further has a bottom major surface in which light reflecting recesses are defined to reflect light upwardly towards the top major surface.

Abstract: An inkjet image forming apparatus includes a cap member, a wiper, a nozzle unit, and a platen. The cap member and the wiper face the nozzle unit and are located at a position lower than an upper surface of the platen that constitutes a paper delivery path. The platen is moveable to a printing position constituting a paper delivery path and a maintenance position that leaves the printing position such that the wiper and the cap member can access the nozzle unit.