INK COMPOSITION LAYER USING THE SAME ELECTROPHORESIS DISPLAY DEVICE COMPRING THE SAME

• Main Authors: KIM KYUYOUNG, KIM JANGHYUK, RYU DONG WAN, WOO HEEJE, YU EUN SUN, KIM MISUN
• Format: Patent
• Language: English; Korean
• Published: 15.12.2022
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; FILLING PASTES; FREQUENCY-CHANGING; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; USE OF MATERIALS THEREFOR; WOODSTAINS

Provided are an ink composition comprising: (A) a semiconductor nanorod; and (B) a mixed solvent including a first solvent containing a compound represented by chemical formula 1 and a second solvent containing a compound represented by chemical formula 2, a film prepared using the ink composition, and an electrophoretic display device comprising the same. In chemical formula 1 and chemical formula 2, each substituent is the same as defined in the specification. The ink composition comprising the semiconductor nanorod may provide an ink composition having excellent dielectrophoretic properties and storage stability. (A) 반도체 나노로드; 및 (B) 하기 화학식 1로 표시되는 화합물을 포함하는 제1 용매 및 하기 화학식 2로 표시되는 화합물을 포함하는 제2 용매를 포함하는 혼합 용매를 포함하는 잉크 조성물, 상기 잉크 조성물을 이용하여 제조된 막, 이를 포함하는 전기영동 디스플레이 장치가 제공된다. [화학식 1] JPEGpat00041.jpg3871 [화학식 2] JPEGpat00042.jpg3274 (상기 화학식 1 및 화학식 2에서, 각 치환기는 명세서에 정의된 바와 같다.)