Invention Grant
- Patent Title: Manufacture method of quantum dots printing ink and quantum dots printing ink manufactured with the manufacture method
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Application No.: US15108321Application Date: 2016-04-26
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Publication No.: US10246598B2Publication Date: 2019-04-02
- Inventor: Yawei Liu
- Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Applicant Address: CN Shenzhen, Guangdong
- Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Current Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Shenzhen, Guangdong
- Agent Leong C. Lei
- Priority: CN201610176329 20160324
- International Application: PCT/CN2016/080282 WO 20160426
- International Announcement: WO2017/161629 WO 20170928
- Main IPC: B82Y20/00
- IPC: B82Y20/00 ; B82Y30/00 ; B82Y40/00 ; C09D11/36 ; C09D11/38 ; C09D11/50 ; C09D11/52 ; C09D11/02 ; C09D11/033 ; C09D11/037 ; C09D11/322 ; C09K11/02

Abstract:
Disclosed are a manufacture method of quantum dots printing ink and manufactured quantum dots printing ink manufactured with the manufacture method. In the manufacture method, by mixing the first solvent and the second solvent, the viscosity of the quantum dots printing ink is adjusted to be in a predetermined range. Then, by mixing the third solvent with the first and second solvent, the surface tension thereof is adjusted to be in a predetermined range while maintaining the viscosity to be in the predetermined range. Furthermore, by adding the fourth solvent in the quantum dots printing ink, the vapor pressure is adjusted to be in a reasonable range. With mixture of kinds of solvents, the quantum dots printing ink of which the performance indicators, the viscosity, the surface tension, the dry condition are suitable for jet ink printing can be formulated to avoid adding the surfactant in the ink.
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