US 11,953,799 B2
Light shutter panel and transparent display apparatus having the same
Jaehyun Park, Paju-si (KR); and Youngki Song, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Apr. 21, 2021, as Appl. No. 17/236,873.
Claims priority of application No. 10-2020-0076565 (KR), filed on Jun. 23, 2020.
Prior Publication US 2021/0397061 A1, Dec. 23, 2021
Int. Cl. G02F 1/167 (2019.01); G02F 1/1676 (2019.01); G02F 1/1679 (2019.01)
CPC G02F 1/167 (2013.01) [G02F 1/1676 (2019.01); G02F 1/1679 (2019.01); G02F 2203/01 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A light shutter panel comprising:
a lower electrode plate;
an upper electrode plate facing the lower electrode plate;
a shutter layer disposed between the lower electrode plate and the upper electrode plate,
the shutter layer including a first ink storage portion disposed at a lower part of the shutter layer, a second ink storage portion disposed at an upper part of the shutter layer and overlapped with the first ink storage portion, and an electric field guide disposed between the first ink storage portion and the second ink storage portion;
a first black ink filled into the first ink storage portion; and
a second black ink filled into the second ink storage portion,
wherein a first minimum light blocking portion of the first ink storage portion is separated from a second minimum light blocking portion of the second ink storage portion in a horizontal direction of a plane of the electric field guide.