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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12351720 B1

PDFFull Text
Date of Patent:
Jul. 08, 2025

Filed:

Sep. 07, 2022

Ink composition, light conversion layer and light emitting device

Applicant:

Echem Solutions Corp., Taoyuan, TW;

Inventors:

Chun-Kuan Tai, Taoyuan, TW;

Hsiao-Jen Lai, Taoyuan, TW;

Yu-Chun Chen, Taoyuan, TW;

Assignee:

eChem Solutions Corp., Taoyuan, TW;

Attorney:

JCIPRNET

Primary Examiner:

Tae H Yoon

Int. Cl.
CPC ...
C09D 11/30 (2014.01); C09D 11/033 (2014.01); C09D 11/037 (2014.01); C09D 11/102 (2014.01); C09K 11/88 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C09D 11/30 (2013.01); C09D 11/033 (2013.01); C09D 11/037 (2013.01); C09D 11/102 (2013.01); C09K 11/883 (2013.01); G02F 1/133614 (2021.01); G02F 1/133617 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); G02F 1/133514 (2013.01); G02F 2202/36 (2013.01);
Abstract

An ink composition, a light conversion layer and a light emitting device are provided. The resin composition includes a quantum dot (A), a first resin (B1), a second resin (B2), an ethylenically unsaturated monomer (C), an initiator (D) and a solvent (E). The first resin (B1) is an alkali-insoluble resin, and the second resin (B2) is an alkali-soluble resin. The first resin (B1) includes a compound represented by the following Formula (1): In Formula (1), n is an integer from 1 to 10, X is benzene, toluene or naphthalene, and Y is toluene, methylnaphthalene, tetrahydrodicyclopentadiene, or 4,4′-dimethyl-1,1′-biphenyl.

Find Patent Forward Citations

Tai, Chun-Kuan. (2025). Ink composition, light conversion layer and light emitting device (U.S. Patent No. 12351720). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12351720

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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