US 12,351,720 B2
Ink composition, light conversion layer and light emitting device
Chun-Kuan Tai, Taoyuan (TW); Hsiao-Jen Lai, Taoyuan (TW); and Yu-Chun Chen, Taoyuan (TW)
Assigned to eChem Solutions Corp., Taoyuan (TW)
Filed by eChem Solutions Corp., Taoyuan (TW)
Filed on Sep. 7, 2022, as Appl. No. 17/939,895.
Claims priority of application No. 110133670 (TW), filed on Sep. 10, 2021.
Prior Publication US 2023/0125656 A1, Apr. 27, 2023
Int. Cl. 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)
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)] 16 Claims
OG exemplary drawing
 
1. An ink composition, comprising:
a quantum dot (A);
a first resin (B1) as an alkali-insoluble resin;
a second resin (B2) as an alkali-soluble resin;
an ethylenically unsaturated monomer (C);
an initiator (D); and
a solvent (E),
wherein the first resin (B1) comprises a compound represented by a following formula (1),

OG Complex Work Unit Chemistry
in the 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,
wherein based on a total amount of 100 parts by weight of the ink composition, an amount of the quantum dot (A) is 0.5 to 15 parts by weight, a total amount of the first resin (B1) and the second resin (B2) is 0.5 to 20 parts by weight, an amount of the ethylenically unsaturated monomer (C) is 0.5 to 20 parts by weight, an amount of the initiator (D) is 0.01 to 5 parts by weight, and an amount of the solvent (E) is 65 to 85 parts by weight.