OPTICAL LAMINATE AND MANUFACTURING METHOD THEREFOR, SMART WINDOW COMPRISING SAME, AND VEHICLE AND BUILDING WINDOW OR DOOR EMPLOYING SAME
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United States of America Patent
Stats
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N/A
Issued Date -
Jul 25, 2024
app pub date -
Aug 10, 2022
filing date -
Aug 24, 2021
priority date (Note) -
Published
status (Latency Note)
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Abstract
The present invention relates to a transmittance-variable optical laminate and a manufacturing method therefor, a smart window comprising same, and a vehicle and a building window or door employing same, the optical laminate comprising: a first polarizing plate; a first transparent conductive layer formed on one surface of the first polarizing plate; a second polarizing plate opposite to the first polarizing plate; a second transparent conductive layer formed on one surface of the second polarizing plate and opposite to the first transparent conductive layer; and a liquid crystal layer provided between the first transparent conductive layer and the second transparent conductive layer, wherein at least one of the first transparent conductive layer and the second transparent conductive layer is formed to come into direct contact with one of the first polarizing plate and the second polarizing plate, and at least one of the first polarizing plate and the second polarizing plate comprises a reflective polarizing plate.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DONGWOO FINE-CHEM CO LTD | JEONBUK SOUTH KOREA GYEONGSANGBUK-DO |
International Classification(s)

- 2022 Application Filing Year
- B60J Class
- 622 Applications Filed
- 305 Patents Issued To-Date
- 49.04 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
KIM, Dong-Hwi | Sejong, KR | 46 | 451 |
# of filed Patents : 46 Total Citations : 451 | |||
KIM, Sung-Su | Pyeongtaek-si, KR | 46 | 453 |
# of filed Patents : 46 Total Citations : 453 | |||
LEE, Seung-Sin | Hwaseong-si, KR | 13 | 166 |
# of filed Patents : 13 Total Citations : 166 |
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Patent Citation Ranking
- 0 Citation Count
- B60J Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 25, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 25, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 25, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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