US 11,835,745 B2
Light control film, method for driving light control film, light control member, and vehicle
Keisuke Miura, Tokyo (JP); Yusuke Hagiwara, Tokyo (JP); Yasunori Hayashida, Tokyo (JP); and Makoto Yamaki, Tokyo (JP)
Assigned to DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Filed by DAI NIPPON PRINTING CO., LTD., Tokyo (JP)
Filed on Oct. 31, 2022, as Appl. No. 17/977,419.
Application 17/977,419 is a continuation of application No. 17/088,648, filed on Nov. 4, 2020, granted, now 11,520,095.
Application 17/088,648 is a continuation of application No. 16/310,214, granted, now 10,845,522, issued on Nov. 24, 2020, previously published as PCT/JP2017/022366, filed on Jun. 16, 2017.
Claims priority of application No. 2016-121793 (JP), filed on Jun. 20, 2016; and application No. 2016-198967 (JP), filed on Oct. 7, 2016.
Prior Publication US 2023/0067010 A1, Mar. 2, 2023
Int. Cl. G02F 1/13 (2006.01); G02B 5/30 (2006.01); G02F 1/03 (2006.01); G02F 1/1335 (2006.01); G02F 1/13357 (2006.01)
CPC G02B 5/3058 (2013.01) [G02B 5/30 (2013.01); G02B 5/3033 (2013.01); G02F 1/0316 (2013.01); G02F 1/13 (2013.01); G02F 1/133528 (2013.01); G02F 1/133606 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A vehicle comprising a light control film,
the light control film comprising:
a first electrode and a second electrode disposed facing each other;
a light control material disposed between the first electrode and the second electrode and changing a transmittance in accordance with a potential difference between the first electrode and the second electrode;
a potential gradient forming part for providing a gradient of the potential difference in an extension direction of the first electrode and the second electrode; and
a power feeding unit provided in the first electrode and adding a voltage between the first electrode and the second electrode, wherein:
at a position different from the power feeding unit, the first electrode and the second electrode are electrically connected to each other,
a resistance member is disposed between the first electrode and the second electrode, and
a resistance value of the resistance member is variable.