申请人:Nippon Sheet Glass Company, Limited
公开号:US20220214481A1
公开(公告)日:2022-07-07
The light-absorbing composition according to the present invention includes: a light absorber made of a phosphonic acid represented by the following formula (A) and copper ion; and a curable resin. Alight-absorbing film having desired properties can be provided by curing a coating film of the light-absorbing composition. In the formula (A), R
1
to R
5
are each independently a hydrogen atom, a halogen atom, a hydroxy group, or a nitro group, and n represents an integer of 1 to 3.