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1.发明授权公开(公告)号：US11112542B2
公开(公告)日：2021-09-07
申请号：US16699224
申请日：2019-11-29
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuo-Chiang Chu , Chien-Pang Chang , Chun-Hung Teng , Wen-Yu Tsai
Abstract: A miniature optical lens assembly, which has at least one of optical element, includes the optical element. The optical element includes a low reflection layer disposed on at least one surface of the optical element. The low reflection layer includes a plurality of nanocrystalline grains, and the nanocrystalline grains are located on one surface of the low reflection layer. The optical element is at least one of a light blocking element, an annular spacer element and a barrel element.
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2.发明授权公开(公告)号：US12298538B2
公开(公告)日：2025-05-13
申请号：US17392391
申请日：2021-08-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuo-Chiang Chu , Chien-Pang Chang , Chun-Hung Teng , Wen-Yu Tsai
Abstract: A miniature optical lens assembly, which has at least one optical element, includes the optical element. The optical element includes a low reflection layer disposed on at least one surface of the optical element. The low reflection layer includes a plurality of nanocrystalline grains, and the nanocrystalline grains are located on one surface of the low reflection layer. The optical element is at least one of a light blocking element, an annular spacer element and a barrel element.
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公开(公告)号：US12235410B2
公开(公告)日：2025-02-25
申请号：US17577051
申请日：2022-01-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wen-Yu Tsai , Chien-Pang Chang , Chi-Wei Chi , Wei-Fong Hong , Chun-Hung Teng , Kuo-Chiang Chu
Abstract: An optical lens assembly includes, from an object side to an image side, at least four optical lens elements. At least one of the at least four optical lens elements includes an anti-reflective coating. The at least one optical lens element including the anti-reflective coating is made of a plastic material. The anti-reflective coating is arranged on an object-side surface or an image-side surface of the at least one optical lens element including the anti-reflective coating. The anti-reflective coating includes at least one coating layer. One of the at least one coating layer at the outer of the anti-reflective coating is made of ceramics. The anti-reflective coating includes a plurality of holes, and sizes of the plurality of holes adjacent to the outer of the anti-reflective coating are larger than sizes of the plurality of holes adjacent to the inner of the anti-reflective coating.
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公开(公告)号：US12235409B2
公开(公告)日：2025-02-25
申请号：US17553939
申请日：2021-12-17
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wen-Yu Tsai , Chien-Pang Chang , Chi-Wei Chi , Wei-Fong Hong , Chun-Hung Teng , Kuo-Chiang Chu
Abstract: An optical lens assembly includes, from an object side to an image side, at least four optical lens elements. At least one of the at least four optical lens elements includes an anti-reflective coating. The at least one optical lens element including the anti-reflective coating is made of a plastic material. The anti-reflective coating is arranged on an object-side surface or an image-side surface of the at least one optical lens element including the anti-reflective coating. The anti-reflective coating includes at least one coating layer. One of the at least one coating layer at the outer of the anti-reflective coating is made of ceramics. The anti-reflective coating includes a plurality of holes, and sizes of the plurality of holes adjacent to the outer of the anti-reflective coating are larger than sizes of the plurality of holes adjacent to the inner of the anti-reflective coating.
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Patent Agency Ranking
公开(公告)号：US12081853B2
公开(公告)日：2024-09-03
申请号：US17747015
申请日：2022-05-18
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wen-Yu Tsai , Chien-Pang Chang , Lin-An Chang , Ming-Ta Chou , Kuo-Chiang Chu
Abstract: A camera module includes an imaging lens assembly, an image sensor and an optical plate. The image sensor is disposed on an image surface of the imaging lens assembly. The optical plate is disposed between the imaging lens assembly and the image sensor, and includes a substrate and at least one anti-reflection layer. The substrate has an object-side surface and an image-side surface, the object-side surface faces towards an object side, the image-side surface faces towards an image side, and the object-side surface is parallel with the image-side surface. The at least one anti-reflection layer is disposed on the object-side surface or the image-side surface of the substrate, the anti-reflection layer includes a nanocrystal structure layer and an optical-connecting layer, wherein the nanocrystal structure layer includes a metal oxide crystal, the optical-connecting layer connects the substrate and the nanocrystal structure layer.
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6.发明申请公开(公告)号：US20210364674A1
公开(公告)日：2021-11-25
申请号：US17392391
申请日：2021-08-03
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuo-Chiang Chu , Chien-Pang Chang , Chun-Hung Teng , Wen-Yu Tsai
Abstract: A miniature optical lens assembly, which has at least one optical element, includes the optical element. The optical element includes a low reflection layer disposed on at least one surface of the optical element. The low reflection layer includes a plurality of nanocrystalline grains, and the nanocrystalline grains are located on one surface of the low reflection layer. The optical element is at least one of a light blocking element, an annular spacer element and a barrel element.
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公开(公告)号：US12216332B2
公开(公告)日：2025-02-04
申请号：US17545001
申请日：2021-12-08
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Chien-Pang Chang , Wen-Yu Tsai , Lin-An Chang , Ming-Ta Chou , Kuo-Chiang Chu
Abstract: An imaging lens assembly has an optical axis and includes a plastic lens element set. The plastic lens element set includes two plastic lens elements and at least one anti-reflective layer. The two plastic lens elements, in order from an object side to an image side along the optical axis are a first plastic lens element and a second plastic lens element. The anti-reflective layer has a nanostructure and is disposed on at least one of an image-side surface of the first plastic lens element and an object-side surface of the second plastic lens element.
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公开(公告)号：US11852848B2
公开(公告)日：2023-12-26
申请号：US16935378
申请日：2020-07-22
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Wen-Yu Tsai , Heng-Yi Su , Ming-Ta Chou , Chien-Pang Chang , Kuo-Chiang Chu
CPC classification number: G02B5/003 , G02B13/18 , G02B2207/101 , G02B2207/107
Abstract: An imaging lens assembly includes a first optical element and a low-reflection layer. The first optical element has a central opening, and includes a first surface, a second surface and a first outer diameter surface. The first outer diameter surface is connected to the first surface and the second surface. The low-reflection layer is located on at least one of the first surface and the second surface, and includes a carbon black layer, a nano-microstructure and a coating layer. The nano-microstructure is directly contacted with and connected to the carbon black layer, and the nano-microstructure is farther from the first optical element than the carbon black layer from the first optical element. The coating layer is directly contacted with and connected to the nano-microstructure, and the coating layer is farther from the first optical element than the nano-microstructure from the first optical element.
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公开(公告)号：US09575231B2
公开(公告)日：2017-02-21
申请号：US14027155
申请日：2013-09-13
Applicant: LARGAN PRECISION CO., LTD.
Inventor： Kuo-Chiang Chu , Chien-Pang Chang
Abstract: An infrared filter includes a transparent substrate, and an infrared-filtering multilayer film. The infrared-filtering multilayer film is coated on the transparent substrate, and the infrared-filtering multilayer film includes a plurality of the first kind of film layers, a plurality of the second kind of film layers, a plurality of the third kind of film layers and a plurality of the fourth kind of film layers, wherein the four kinds of film layers are arranged in order of gradient refractive indexes. At least two kinds of film layers are made of composite materials.
Abstract translation: 红外线滤光器包括透明基板和红外滤光多层膜。 红外线滤光多层膜被涂覆在透明基板上，红外滤光多层膜包括多个第一种膜层，多个第二种膜层，多个第三种膜层 以及多个第四种膜层，其中四种膜层按照梯度折射率的顺序排列。 至少两种膜层由复合材料制成。
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