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1.发明申请公开(公告)号：US20180281502A1
公开(公告)日：2018-10-04
申请号：US15765285
申请日：2016-11-30
发明人： Jun ZHU , Baoli ZHANG , Zhongdong YE , Chunhua HU , Xinyi LI
IPC分类号： B42D25/342 , B42D25/351 , B42D25/328 , B42D25/364 , B42D25/21
CPC分类号： B42D25/342 , B42D25/21 , B42D25/30 , B42D25/328 , B42D25/351 , B42D25/364 , B44F1/00
摘要： Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product utilizing the same, the optical anti-counterfeiting element comprising: a substrate (2) having a first surface (31) and a second surface (32) that are opposed to each other, a sampling and synthesizing layer (21) on a first surface (31) of the substrate (2); and a micro-image layer (22) on a second surface (32) of the substrate (2), the micro-image layer (22) including a first region at least partially covered with a coating (221) and a second region comprising at least two sub-regions each at least partially covered with a color function layer (222, 223), the color function layers (222, 223) in respective sub-regions and the coating (221) in the first region have different color characteristics, respectively, and the micro-image layer (22) can be sampled and synthesized by the sampling and synthesizing layer (21) to form an image. Such optical anti-counterfeiting element and optical anti-counterfeiting product are easy to identify and difficult to counterfeit.
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公开(公告)号：US20220176726A1
公开(公告)日：2022-06-09
申请号：US17600014
申请日：2020-03-27
发明人： Chunhua HU , Jun ZHU , Weiwei ZHANG , Kai SUN
IPC分类号： B42D25/324 , B42D25/328 , B42D25/373 , B42D25/45 , G02B5/18
摘要： An optical anti-counterfeiting element and manufacturing methods of the optical anti-counterfeiting element are provided. The optical anti-counterfeiting element includes an undulating structure layer provided with a first area, a second area and a third area; the first area has a first microstructure; the second area has a second microstructure; the third area is an unstructured flat area; a specific volume of the second microstructure is greater than a specific volume of the first microstructure; the first area and the third area are respectively provided with a reflecting layer, a dielectric layer and an absorbing layer which are overlapped, and the second area is not provided with a reflecting layer; and a surface appearance of one side, far away from the undulating structure layer, of the dielectric layer of the first area is obviously different from a surface appearance of the undulating structure layer.
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3.发明申请公开(公告)号：US20210162793A1
公开(公告)日：2021-06-03
申请号：US17172695
申请日：2021-02-10
发明人： Kai Sun , Baoli Zhang , Jun Zhu , Xiaoli Wang
IPC分类号： B42D25/324 , B42D25/373 , G02B30/27 , G02B3/00 , G02B3/06
摘要： Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product utilizing the same, the optical anti-counterfeiting element comprising: a substrate (12) including a first surface and a second surface opposite to each other; micro-sampling tools (11) on the first surface; and one or more micro graphic and text units formed on the second surface, wherein the micro graphic and text unit includes micro graphic and text strokes, the micro graphic and text strokes are arranged in a non-periodic and non-fixed-geometry manner, and when the second surface is observed through the micro-sampling tools, a stereoscopic animated anti-counterfeiting feature can be seen.
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公开(公告)号：US20190315148A1
公开(公告)日：2019-10-17
申请号：US16469872
申请日：2018-02-07
发明人： Baoli Zhang , Kai Sun , Jun Zhu , Xiaoli Wang
摘要： The invention relates to the field of optical anti-counterfeiting, and discloses an optical anti-counterfeiting element and an optical anti-counterfeiting product. The optical anti-counterfeiting element comprises: a substrate which is at least partially pervious to light, comprising a first surface and a second surface opposite each other; an anti-counterfeiting image formed on the first surface of the substrate, wherein the anti-counterfeiting image comprises a plurality of imaging pixel groups, and the imaging pixel groups are arranged aperiodically and/or without an axis of symmetry; and a sampling-synthesis layer with optical characteristics formed on the second surface of the substrate, wherein target visual images corresponding to the imaging pixel groups can be presented through a light-pervious part of the substrate and the sampling-synthesis layer. In this way, at least the technical problems of poor anti-counterfeiting performance and easy cracking caused by the adoption of a periodic micro-graphic array in the prior art can be solved.
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公开(公告)号：US20180215188A1
公开(公告)日：2018-08-02
申请号：US15329127
申请日：2015-07-29
发明人： Xiaoli WANG , Xinyi LI , Chengyao LI , Jun ZHU
IPC分类号： B42D25/328 , B42D25/324 , B42D25/373 , G02B5/18
CPC分类号： B42D25/328 , B42D25/29 , B42D25/30 , B42D25/324 , B42D25/373 , B42D25/45 , G02B5/1809 , G02B5/1842
摘要： The present invention discloses an optical security device with full parallax diffraction optical variable image, the optical security device comprises: a base layer; and an optical assembly at least partially covering a surface of the base layer; wherein the optical assembly has a micro relief structure, so that when a beam of white light illuminates on the optical assembly, the optical assembly presents a full parallax image under the action of the micro relief structure. The present invention obtains the micro relief structure through combining the phase plate, and achieves the reconstruction of the full parallax diffraction optical variable image under the condition of white light illumination.
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公开(公告)号：US20170239972A1
公开(公告)日：2017-08-24
申请号：US15518794
申请日：2015-09-11
发明人： BAOLI ZHANG , KAI SUN , WEIWEI ZHANG
IPC分类号： B42D25/328 , B42D25/378 , G06K19/06 , B42D25/24 , B42D25/21 , G06K19/14 , B42D25/369 , B42D25/29
摘要： The present invention discloses an optical anti-counterfeiting component and an optical anti-counterfeiting product. The optical anti-counterfeiting component comprises: a substrate; a sub-wavelength surface micro-structure and an optical reflection facet formed on an upper surface of the substrate; and a multi-layer structured coating formed on the sub-wavelength surface micro-structure and the optical reflection facet. In the case where the same multi-layer structured coating is used, a contrasting optical characteristic is formed between the region in which the sub-wavelength surface micro-structure and the multi-layer structured coating lie and the region in which the optical reflection facet and the multi-layer structured coating lie, so that the optical anti-counterfeiting component or the optical anti-counterfeiting product that includes the optical anti-counterfeiting component can be identified easily and has high anti-counterfeiting capability.
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7.发明公开公开(公告)号：US20240198712A1
公开(公告)日：2024-06-20
申请号：US17598181
申请日：2020-03-27
发明人： Chunhua HU , Weiwei ZHANG , Baoli ZHANG , Jun ZHU
IPC分类号： B42D25/324 , B42D25/328 , B42D25/373 , B42D25/45 , G02B5/18
CPC分类号： B42D25/324 , B42D25/328 , B42D25/373 , B42D25/45 , G02B5/1857
摘要： An optical anti-counterfeit element includes an undulating structure layer (2); the undulating structure layer includes a first area (A) with a first microstructure and a second area (B) with a second microstructure; a structural parameter of the second microstructure is greater than a structural parameter of the first microstructure; the undulating structure layer also includes a third area (C) with a third microstructure; a structural parameter of the third microstructure is greater than the structural parameter of the second microstructure; a first plating layer (3) is arranged on the first area; a second plating layer (5) is arranged on the second area; the third area is not provided with a first plating layer or a second plating layer; and viewed from one side of the optical anti-counterfeit element, the first area has an optical feature of a combination of the first microstructure and the first plating layer, the second area has an optical feature of a combination of the second microstructure and the second plating layer, and the third area has hollow features. The optical anti-counterfeit element has excellent anti-counterfeit performance.
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公开(公告)号：US20230339252A1
公开(公告)日：2023-10-26
申请号：US17756537
申请日：2020-08-19
发明人： Haibo Cui , Baoli Zhang , Xiaoli Wang
IPC分类号： B42D25/351 , B42D25/342 , G02B3/00
CPC分类号： B42D25/342 , B42D25/351 , G02B3/0056 , G02B27/60
摘要： Disclosed are an optical anti-counterfeiting element and an anti-counterfeiting product. The optical anti-counterfeiting element includes a substrate; and a sampling layer formed on a first surface of the substrate, wherein the sampling layer is a sampling unit array composed of sampling units distributed according to a preset graphic-text information, the sampling unit array is aligned, in a preset manner, with a light-emitting pixel array positioned on a second surface side of the substrate and composed of light-emitting pixels, and the sampling unit array is configured for sampling the light-emitting pixel array, so as to show the preset graphic-text information of a single color or comprehensive colors of a plurality of colors among colors of the light-emitting pixels, wherein the light-emitting pixels of the single color or the comprehensive colors of the plurality of colors show a moire magnification effect.
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公开(公告)号：US20230014229A1
公开(公告)日：2023-01-19
申请号：US17756510
申请日：2020-08-19
IPC分类号： B42D25/328 , B42D25/36
摘要： Disclosed are an optical anti-counterfeiting element and an optical anti-counterfeiting product. The optical anti-counterfeiting element includes: a substrate, wherein the substrate includes a first surface and a second surface opposite each other; a micrographic layer formed on the second surface of the substrate, wherein the micrographic layer includes a micro-graphic-text region showing a preset graphic-text information and a background region, at least part of the micro-graphic-text region or the background region is covered with a small reflection surface, and the small reflection surface is covered with a color modulation structure; and a sampling layer formed on the first surface of the substrate, wherein the sampling layer is configured for sampling the micro-graphic-text layer and composing, with sampled graphics, the preset graphic-text information of a preset color showing a moire magnification effect. A colored anti-counterfeiting feature with a color varying effect showing a moire magnification effect can be generated without coloring.
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公开(公告)号：US20220388326A1
公开(公告)日：2022-12-08
申请号：US17765408
申请日：2019-09-22
IPC分类号： B42D25/324 , G02B3/08
摘要： Provided are an optical anti-counterfeiting element and an anti-counterfeiting product, the optical anti-counterfeiting element comprises: a substrate (1); and a plurality of Fresnel structures (2) with preset lateral dimensions formed on the substrate (1), the plurality of Fresnel structures (2), when illuminated by a preset light source, being used to form preset graphic information in the transmission direction, and to present the preset graphic information with a relief effect in the reflection direction. The optical anti-counterfeiting element, when illuminated, reproduces a preset pattern from the transmission direction, and presents a relief effect from the reflection direction. The element improves anti-counterfeiting ability and recognition, and has a simple identification process.
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