Title:
遮光膜が形成されている導波管及びその製造方法
Document Type and Number:
Japanese Patent JP6896985
Kind Code:
B2
Abstract:
A waveguide having a light-shielding film formed on a cut surface of an edge side of the planar waveguide, the light-shielding film having a thickness of 2 to 10 μm and an optical density (OD) of 0.7 to 1.0 based on a light-shielding film thickness of 1.0 μm, and a method for manufacturing the same.
Inventors:
Kim, A-Rem
Yo, Jae-hyun
Park, Seung-un
Kim, Jun-Hyun
Yo, Jae-hyun
Park, Seung-un
Kim, Jun-Hyun
Application Number:
JP2019510797A
Publication Date:
June 30, 2021
Filing Date:
November 23, 2017
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
G02B27/02; C09D7/41; C09D7/61; C09D7/63; C09D11/322; C09D11/324; C09D201/00; G02B5/00; G02B6/00
Domestic Patent References:
| JP2007219106A | ||||
| JP20111538A |
Attorney, Agent or Firm:
Longhua International Patent Service Corporation