US 12,379,631 B2
Light adjustment device
Daisuke Hamano, Tokyo (JP)
Assigned to Japan Display Inc., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Oct. 10, 2024, as Appl. No. 18/911,923.
Application 18/911,923 is a continuation of application No. PCT/JP2023/009401, filed on Mar. 10, 2023.
Claims priority of application No. 2022-069043 (JP), filed on Apr. 19, 2022.
Prior Publication US 2025/0035294 A1, Jan. 30, 2025
Int. Cl. G02F 1/1347 (2006.01); G02F 1/13 (2006.01); G02F 1/1333 (2006.01)
CPC G02F 1/1347 (2013.01) [G02F 1/13 (2013.01); G02F 1/1333 (2013.01); G02F 1/133317 (2021.01)] 10 Claims
OG exemplary drawing
 
1. A light adjustment device comprising:
a first frame;
a second frame;
a third frame; and
a plurality of light adjustment panels,
wherein the first frame, the second frame, and the third frame have annular shapes and are stacked in a first direction, and the number of the second frames is at least one,
wherein the second frame is disposed on one side in the first direction relative to the first frame, and the third frame is disposed on the one side in the first direction relative to the second frame,
wherein the first frame comprises a first hook that protrudes to the one side in the first direction,
wherein the second frame comprises
a first cutout into which the first hook is hooked, and
a second hook that protrudes to the one side in the first direction,
wherein the third frame comprises a second cutout into which the second hook is hooked,
wherein the first hook does not overlap the second hook when viewed in the first direction, and
wherein one of the light adjustment panels is disposed between the first frame and the second frame, and another of the light adjustment panels is disposed between the second frame and the third frame.