Title:
PIGMENT-FREE COLOR CONTACT LENS WITH MICRO-PATTERN HAVING PHOTONIC CRYSTAL STRUCTURES
Document Type and Number:
Japanese Patent JP2020052390
Kind Code:
A
Abstract:
To provide a pigment-free color contact lens comprising a micro-pattern having photonic crystal structures dispersed therein.SOLUTION: The present invention relates to a color contact lens 10 comprising a hydrogel and a micro-pattern included in the hydrogel, the micro-pattern having a plurality of photonic crystal structures 30 dispersed therein. The color contact lens contains no colorant but is capable of realizing colors.SELECTED DRAWING: Figure 1
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Inventors:
MIN NAM GI
Application Number:
JP2019107612A
Publication Date:
April 02, 2020
Filing Date:
June 10, 2019
Export Citation:
Assignee:
MIN NAM GI
International Classes:
G02C7/04; G02B1/02
Domestic Patent References:
| JP2001072414A | 2001-03-21 | |||
| JP2006167855A | 2006-06-29 | |||
| JP2011167663A | 2011-09-01 | |||
| JP2019510258A | 2019-04-11 |
Foreign References:
| CN103605215A | 2014-02-26 | |||
| CN103941418A | 2014-07-23 | |||
| US20180267331A1 | 2018-09-20 | |||
| WO2017142343A1 | 2017-08-24 |
Attorney, Agent or Firm:
Hayashi Ichiyoshi
Tetsuo Shiba
Takuya Saito
Iwaike Mitsuru
Kazuhiro Kosuga
Tetsuo Shiba
Takuya Saito
Iwaike Mitsuru
Kazuhiro Kosuga