US 12,140,838 B2
Barrier rib for image display device, manufacturing method therefor, and image display device comprising barrier rib
Hun-Sik Kim, Incheon (KR); Tae-Gon Kim, Seoul (KR); Young-Soo Kwon, Gyeonggi-do (KR); and Seul-Ki Park, Gyeonggi-do (KR)
Assigned to DONGWOO FINE-CHEM CO., LTD., Iksan (KR)
Appl. No. 18/275,795
Filed by DONGWOO FINE-CHEM CO., LTD., Jeollabuk-do (KR)
PCT Filed Feb. 24, 2022, PCT No. PCT/KR2022/002690
§ 371(c)(1), (2) Date Aug. 3, 2023,
PCT Pub. No. WO2022/182151, PCT Pub. Date Sep. 1, 2022.
Claims priority of application No. 10-2021-0025639 (KR), filed on Feb. 25, 2021.
Prior Publication US 2024/0134233 A1, Apr. 25, 2024
Int. Cl. G02F 1/1339 (2006.01); G02F 1/1333 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/13398 (2021.01) [G02F 1/133377 (2013.01); G02F 1/133382 (2013.01); G02F 1/133516 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A partition wall for an image display device formed from a photosensitive resin composition for forming a partition wall, comprising a colorant, an alkali-soluble resin, a photopolymerizable compound, a photopolymerization initiator, and a solvent, wherein the colorant includes white pigment, and wherein the partition wall which satisfies 0.8≤A/B<1.0 and 0.92≤C/B<1.0 when the line width at a thickness of 95% from the lowermost end portion of the partition wall is A, the maximum line width at a thickness of 50 to 90% from the lowermost end portion of the partition wall is B, and the line width at a thickness of 10% from the lowermost end portion of the partition wall is C, with respect to the total thickness of the partition wall.