Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.

Abstract: An apparatus and method for applying a multi-component curable composition is disclosed. The method for applying a multi-component curable composition includes a) applying a plurality of fluids constituting the multi-component curable composition to a surface of a bonding target object layer by layer, b) acquiring a two-dimensional image of all the fluids applied layer by layer using an image sensor, c) measuring a height of all the fluids applied layer by layer using a distance sensor, and d) calculating a total volume of the multi-component curable composition by using the two-dimensional image and height of the fluids obtained in b) and c).

Abstract: An apparatus and method for applying a multi-component curable composition is disclosed. The method for applying a multi-component curable composition includes a) applying a plurality of fluids constituting the multi-component curable composition to a surface of a bonding target object layer by layer, b) acquiring a two-dimensional image of all the fluids applied layer by layer using an image sensor, c) measuring a height of all the fluids applied layer by layer using a distance sensor, and d) calculating a total volume of the multi-component curable composition by using the two-dimensional image and height of the fluids obtained in b) and c).

Abstract: An ink jet printer bed in which a printing object placed on a bed is stably fixed by means of air suction and is printed, is disclosed, which comprises a plurality of upper plates having a plurality of air suction ports on their front surfaces; an intermediate plate which is formed of a guide space of which intermediate portion is open via its upper lower sides, the intermediate plate being assembled to a lower side of the upper plate; a lower plate which is assembled to a lower side of the intermediate portion and is formed of at least one air passage; a connection part which is assembled to each air passage of the lower plate and is connected with a suction pump; and a sensor which detects an air pressure in the interior of the bed and transmits a result of the detection to a controller which controls the operation of the suction pump, so the air pressure of the interior of the bed by the suction pump can be adjusted.

Abstract: A printing system including a computer device and an ink jet printer transmitting and receiving data with the computer device is disclosed. The large size ink jet printer includes a printer; an ink pump; a head controller controlling the operation of the printer head; a carriage with the printer head; a carriage driving part; a data path board receiving and analyzing the data and transferring a control signal to the head controller; an ink supply control board the ink pump; and an I/O controller board receiving the data from the computer device, the data path board and the ink supply control board and analyzing and transmitting the data, and the computer device including a RIP program converting an image/text signal into an image/text raster image data for printing; and a carriage driving part control program controlling the operation of the carriage driving part of the ink jet printer.

Abstract: An ink jet printer module has a module body, an ink inlet port, a washing liquid inlet port and a pneumatic inlet port connected with the main ink tank, the washing liquid tank and the pneumatic pump. A common flow path in the interior of the module body selectively communicates with either the washing liquid flow path or the washing liquid flow path. An ink opening and closing valve is provided at the module body. A pneumatic and washing liquid selection valve is provided in the module body An ink discharge port is provided in the module body discharges the ink of the ink flow path to the outside of the module body. A common discharge port is provided in the module body and discharges either the pneumatic or the washing liquid of the common flow path.

Abstract: A printing system formed of a computer device and a large size ink jet printer transmitting and receiving a data with the computer device is disclosed, which comprises said large size ink jet printer including a printer head injecting an ink on a printing object which is to be printed; an ink pump supplying an ink to the printer head; a head controller controlling the operation of the printer head; a carriage with the printer head; a carriage driving part moving the carriage in at least one direction; a data path board receiving and analyzing the data from the computer device and transferring a control signal to the head controller for controlling the printer head; an ink supply control board controlling the operation of the ink pump; and an I/O (Input and Output) controller board receiving the data from the computer device, the data path board and the ink supply control board and analyzing and transmitting the data, and the computer device including a RIP (Raster Image Process) program converting an image/te

Abstract: An ink jet printer module is disclosed, which comprises a module body which forms an outer structure of the module; an ink inlet port, a washing liquid inlet port and a pneumatic inlet port which are provided at the module body and are connected with the main ink tank, the washing liquid tank and the pneumatic pump, respectively; an ink flow path, a washing liquid flow path, and a pneumatic flow path which are provided in the interior of the module body and communicate with the ink inlet port, the washing liquid inlet port and the pneumatic inlet port, respectively; a common flow path which is provided in the interior of the module body and selectively communicates with either the washing liquid flow path or the washing liquid flow path, so that the pneumatic and washing liquid can be selectively inputted; an ink opening and closing valve which is provided at the module body for controlling the opening and closing of the ink flow path; a pneumatic and washing liquid selection valve which is provided in the mo

Abstract: An ink jet printer bed in which a printing object placed on a bed is stably fixed by means of air suction and is printed, is disclosed, which comprises a plurality of upper plates having a plurality of air suction ports on their front surfaces; an intermediate plate which is formed of a guide space of which intermediate portion is open via its upper lower sides, the intermediate plate being assembled to a lower side of the upper plate; a lower plate which is assembled to a lower side of the intermediate portion and is formed of at least one air passage; a connection part which is assembled to each air passage of the lower plate and is connected with a suction pump; and a sensor which detects an air pressure in the interior of the bed and transmits a result of the detection to a controller which controls the operation of the suction pump, so the air pressure of the interior of the bed by the suction pump can be adjusted.