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Title:
OPTICAL ELEMENT, POLARIZATION CONVERSION ELEMENT, IMAGE DISPLAY DEVICE, AND METHOD FOR MANUFACTURING OPTICAL ELEMENT
Document Type and Number:
WIPO Patent Application WO/2019/188010
Kind Code:
A1
Abstract:
An optical element according to one embodiment of the present technique is provided with a first glass substrate, a second glass substrate, an optical functional film and an inorganic bonding layer. The first glass substrate has a first bonding surface. The second glass substrate has a second bonding surface. The optical functional film covers the first bonding surface. The inorganic bonding layer is arranged between the optical functional film and the second bonding surface, and comprises a silicon compound bonded to the second bonding surface through direct bonding.

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Inventors:
YONEZAWA GEN (JP)
ABE SHOHEI (JP)
TAKAHASHI YUICHI (JP)
Application Number:
PCT/JP2019/008349
Publication Date:
October 03, 2019
Filing Date:
March 04, 2019
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G02B5/30; G02B5/20; G02F1/13; G02F1/1335; G03B21/00; G03B21/14
Foreign References:
JPH095518A1997-01-10
JP2017177519A2017-10-05
JPH09221342A1997-08-26
JP2012078605A2012-04-19
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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