US 12,405,500 B2
Substrate
Han Min Seo, Daejeon (KR); Seung Heon Lee, Daejeon (KR); Jin Hong Kim, Daejeon (KR); Min Jun Gim, Daejeon (KR); and Young Jin Park, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 18/716,245
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Dec. 7, 2022, PCT No. PCT/KR2022/019787
§ 371(c)(1), (2) Date Jun. 4, 2024,
PCT Pub. No. WO2023/106824, PCT Pub. Date Jun. 15, 2023.
Claims priority of application No. 10-2021-0175385 (KR), filed on Dec. 9, 2021; application No. 10-2021-0175391 (KR), filed on Dec. 9, 2021; and application No. 10-2022-0169062 (KR), filed on Dec. 6, 2022.
Prior Publication US 2025/0035990 A1, Jan. 30, 2025
Int. Cl. G02F 1/1339 (2006.01)
CPC G02F 1/13398 (2021.01) [G02F 1/13394 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A substrate comprising:
a base layer; and
a spacer pattern formed on the base layer,
wherein spacer pattern is configured such that when LED light with a wavelength of 550 nm is passed through the substrate, a standard deviation of lengths of horizontal, vertical, and left and right diagonal lines of a white image in a black-and-white image generated from the is 80 or less.