INKJET PRINTING APPARATUS, METHOD OF PRINTING INK USING THE SAME AND METHOD OF FABRICATING DISPLAY DEVICE

To provide an inkjet printing apparatus, a method of printing ink using the same and a method of fabricating a display device.SOLUTION: A method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light a...

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Hauptverfasser:	LEE DONG JUN, LIM CHE HO, LIM JUN HWI, EOH GYEONG EUN, LEE SEON UK, SHIN HO YONG
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADVERTISING APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CORRECTION OF TYPOGRAPHICAL ERRORS CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LABELS OR NAME-PLATES LINING MACHINES MEASURING PERFORMING OPERATIONS PHYSICS PRINTING PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SEALS SELECTIVE PRINTING MECHANISMS SIGNS SPRAYING OR ATOMISING IN GENERAL STAMPS TESTING TRANSPORTING TYPEWRITERS
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Zusammenfassung:	To provide an inkjet printing apparatus, a method of printing ink using the same and a method of fabricating a display device.SOLUTION: A method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.SELECTED DRAWING: Figure 1 【課題】インクジェットプリンティング装置、それを用いたインクプリンティング方法および表示装置の製造方法が提供される。【解決手段】インクプリンティング方法は、複数の粒子が分散したインクをインクジェットヘッドから吐出する段階、前記吐出されたインクに互いに異なる波長を有する第１光および第２光を照射して前記インクから出射された第１出射光および第２出射光に対するデータを取得する段階、および前記第１出射光および前記第２出射光に対するデータから前記インク内の前記粒子の濃度を算出し、前記濃度が基準値からの誤差範囲を超えたか否かを確認する判断段階を含み、前記第１光は波長が５００ｎｍ以下であり、前記第２光は波長が１０００ｎｍ以上である。【選択図】図１