US 12,461,390 B2
Injection-molded product
Eun Jung Lim, Daejeon (KR); Dong Hyun Oh, Daejeon (KR); Jin Hong Kim, Daejeon (KR); and Min Jun Gim, Daejeon (KR)
Assigned to LG Chem, Ltd., Seoul (KR)
Appl. No. 17/623,421
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Jul. 1, 2020, PCT No. PCT/KR2020/008592
§ 371(c)(1), (2) Date Dec. 28, 2021,
PCT Pub. No. WO2021/002672, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 10-2019-0079570 (KR), filed on Jul. 2, 2019.
Prior Publication US 2022/0350172 A1, Nov. 3, 2022
Int. Cl. G02C 7/12 (2006.01); G02B 1/04 (2006.01); G02B 5/30 (2006.01)
CPC G02C 7/12 (2013.01) [G02B 1/041 (2013.01); G02B 5/3016 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An injection-molded product, comprising:
an injection-molded body; and
a retardation film disposed on at least one side of the injection-molded body,
wherein the retardation film has an in-plane phase difference of 1,000 nm or more for light having a wavelength of 550 nm and comprises only one slow axis, and wherein an angle formed by the slow axis of the retardation film and an injection direction of the injection-molded body is in a range from 0 degree to 80 degrees,
wherein the injection direction is a direction along which melted plastic material is injected into a mold to form the injection-molded body, and
wherein the injection-molded body has an in-plane phase difference in a range of 800 nm to 3,000 nm for light having a wavelength of 550 nm.