公开(公告)号：US20230402023A1

公开(公告)日：2023-12-14

申请号：US18200099

申请日：2023-05-22

Applicant: CASIO COMPUTER CO., LTD.

Inventor： Takahiro MORIYA ,  Hiroaki HISHIYAMA

IPC: G10H1/00 ,  G02F1/1335

CPC classification number: G10H1/0008 ,  G02F1/133514 ,  G02F1/133512

Abstract: A panel includes a coloring layer having light transmission characteristics relative to light from a light source, a first concealment layer provided on a rear surface side of the coloring layer, having light concealment characteristics relative to at least a part of light from the light source, and including an opening provided therein, and a second concealment layer provided on a rear surface side of the first concealment layer, having light concealment characteristics relative to at least a part of light from the light source, and including an opening provided therein in such a manner as to correspond to the opening in the first concealment layer, and the coloring layer is colored in a color different from those of the first concealment layer and the second concealment layer, the first concealment layer having a higher lightness than that of the second concealment layer.