摘要:
Provided are method of controlling nozzles of an inkjet head and an apparatus for measuring the amounts of ink ejected from the nozzles of the inkjet head. The method includes: preparing a mass measuring device, which measures the mass of ink by using an oscillation change, in a pixel; ejecting ink into the pixel from a nozzle of the inkjet head, and measuring the amount of ink ejected from the nozzle by using the mass measuring device; and adjusting a voltage waveform applied to the nozzle of the inkjet head.
摘要:
Provided are method of controlling nozzles of an inkjet head and an apparatus for measuring the amounts of ink ejected from the nozzles of the inkjet head. The method includes: preparing a mass measuring device, which measures the mass of ink by using an oscillation change, in a pixel; ejecting ink into the pixel from a nozzle of the inkjet head, and measuring the amount of ink ejected from the nozzle by using the mass measuring device; and adjusting a voltage waveform applied to the nozzle of the inkjet head.
摘要:
Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.
摘要:
Provided are method of controlling nozzles of an inkjet head and an apparatus for measuring the amounts of ink ejected from the nozzles of the inkjet head. The method includes: preparing a mass measuring device, which measures the mass of ink by using an oscillation change, in a pixel; ejecting ink into the pixel from a nozzle of the inkjet head, and measuring the amount of ink ejected from the nozzle by using the mass measuring device; and adjusting a voltage waveform applied to the nozzle of the inkjet head.
摘要:
Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.
摘要:
A selective surface treatment method using a block copolymer, a black matrix and a method of manufacturing the same, and a nozzle plate and a method of manufacturing the same are provided. According to the method of manufacturing a nozzle plate, a block copolymer layer including an ink-phobic polymer block and an ink-philic polymer block may be formed on a stamp, a substrate having nozzles formed therein and an ink-philic coating film formed on an outer surface of the substrate and inner walls of the nozzles may be prepared, and the block copolymer layer formed on the stamp may be transferred onto an upper surface of the ink-philic coating film formed on the outer surface of the substrate.
摘要:
A nozzle plate of an inkjet printhead, and a method of manufacturing the nozzle plate. The nozzle plate includes a substrate through which nozzles are formed; an ink-philic coating layer formed on an outer surface of the substrate and inner walls of the nozzles; and an ink-phobic coating layer selectively formed on the ink-philic coating layer disposed around the nozzles.
摘要:
Provided is a pigment distribution system. The pigment distribution system includes a pigment encapsulated by physically adsorbing a diblock copolymer to the pigment. The diblock copolymer is represented by Formula 1 below: where -A- denotes a hydrophilic monomer, -B- denotes a hydrophobic monomer, m denotes an integer ranging from 1 to 10, and n denotes an integer ranging from 3 to 30, wherein hydrophilic monomers of neighboring diblock copolymer chains are crosslinked using a crosslinker.
摘要:
Provided are a nozzle plate of an inkjet printhead and a method of manufacturing the same. The nozzle plate includes: a substrate including a plurality of nozzles; and a plurality of first grooves formed on the surface of a substrate around the nozzles. In this structure, ink remaining on the surface of the nozzle plate can be efficiently removed.
摘要:
A nozzle plate for an inkjet head and a method of manufacturing the nozzle plate includes a silicon substrate having a nozzle, a thermally oxidized silicon layer formed on an outer surface of the silicon substrate and an inner wall of the nozzle, an adhesion layer deposited on the thermally oxidized silicon layer formed on the outer surface of the silicon substrate and formed of silicon oxide, and an ink-repellent coating layer deposited on the adhesion layer.