Patents by Inventor Jyun-Jia CHENG
Jyun-Jia CHENG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11960140Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.Type: GrantFiled: February 22, 2023Date of Patent: April 16, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Ming-Ta Chou, Ming-Shun Chang
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Publication number: 20240085676Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Min-Chun LIAO, Lin An CHANG, Ming-Ta CHOU, Jyun-Jia CHENG, Cheng-Feng LIN, Ming-Shun CHANG
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Patent number: 11924534Abstract: This disclosure provides a lens assembly that has an optical path and includes a lens element and a light-blocking membrane layer. The lens element has an optical portion, and the optical path passes through the optical portion. The light-blocking membrane layer is coated on the lens element and adjacent to the optical portion. The light-blocking membrane layer has a distal side and a proximal side that is located closer to the optical portion than the distal side. The proximal side includes two extension structures and a recessed structure. Each of the extension structures extends along a direction away from the distal side, and the extension structures are not overlapped with each other in a direction in parallel with the optical path. The recessed structure is connected to the extension structures and recessed along a direction towards the distal side.Type: GrantFiled: November 10, 2021Date of Patent: March 5, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Yu Chen Lai, Ming-Ta Chou, Cheng-Feng Lin, Chen-Yi Huang
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Patent number: 11914217Abstract: An imaging lens assembly has an optical axis, and includes a plastic carrier element and an imaging lens element set. The plastic carrier element includes an object-side surface, an image-side surface, an outer surface and an inner surface. The object-side surface includes an object-side opening. The image-side surface includes an image-side opening. The inner surface is connected to the object-side opening and the image-side opening. The imaging lens element set is disposed in the plastic carrier element, and includes at least three lens elements, each of at least two adjacent lens elements of the lens elements includes a first axial assembling structure, the first axial assembling structures are corresponding to and connected to each other. A solid medium interval is maintained between the adjacent lens elements and the inner surface. The solid medium interval is directly contacted with the adjacent lens elements and the inner surface.Type: GrantFiled: July 22, 2020Date of Patent: February 27, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Lin-An Chang, Ming-Ta Chou, Cheng-Feng Lin
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Publication number: 20240048845Abstract: A shiftable image sensor module includes an image sensor and a shiftable circuit element. The shiftable circuit element includes a movable portion, a fixed portion, an elastic connecting portion and a conducting wire portion. The image sensor is disposed on the movable portion. The fixed portion is disposed around the movable portion. The elastic connecting portion is connected to the movable portion and the fixed portion. The conducting wire portion includes a plurality of conducting wire units, and each of the conducting wire units is electrically connected from the fixed portion to the image sensor. Each of the conducting wire units includes at least one conductor line, and the conductor line includes an air insulation layer located on an outer surface of the conductor line.Type: ApplicationFiled: July 28, 2023Publication date: February 8, 2024Inventors: Lin-An CHANG, Wen-Yu TSAI, Jyun-Jia CHENG, Ming-Ta CHOU
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Patent number: 11867887Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.Type: GrantFiled: June 25, 2021Date of Patent: January 9, 2024Assignee: LARGAN PRECISION CO., LTD.Inventors: Min-Chun Liao, Lin An Chang, Ming-Ta Chou, Jyun-Jia Cheng, Cheng-Feng Lin, Ming-Shun Chang
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Publication number: 20230305261Abstract: An imaging lens assembly includes a plurality of optical elements and a lens barrel. At least one optical element of the optical elements is a lens element. The lens element includes an optical effective portion, a peripheral portion, a light-blocking coating layer and a nanostructure layer. The light-blocking coating layer is disposed on at least one surface of the object-side peripheral surface and the image-side peripheral surface and includes a tapered portion. The tapered portion is tapered adjacent to a boundary between the optical effective portion and the peripheral portion. The nanostructure layer is disposed on the optical effective portion and the tapered portion of the light-blocking coating layer, and the nanostructure layer has a plurality of irregular ridge-shaped protrusions. The tapered portion of the light-blocking coating layer forms a light-passing opening adjacent to the boundary along a direction surrounding the optical axis.Type: ApplicationFiled: March 2, 2023Publication date: September 28, 2023Inventors: Heng-Yi SU, Ming-Ta CHOU, Wen-Yu TSAI, Jyun-Jia CHENG
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Publication number: 20230194825Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.Type: ApplicationFiled: February 22, 2023Publication date: June 22, 2023Inventors: Jyun-Jia CHENG, Ming-Ta CHOU, Ming-Shun CHANG
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Patent number: 11665419Abstract: An imaging lens system includes a plastic lens element, a lens barrel and a light-absorbing layer. The plastic lens element is accommodated in the lens barrel and has an outer annular surface. The lens barrel includes a plate portion and a lateral wall portion. An optical axis of the imaging lens system passes through a light-passable hole of the plate portion. The lateral wall portion is connected to the plate portion and extends along a direction substantially parallel to the optical axis. The light-absorbing layer has an inner surface and an outer surface. The inner surface faces and is fixed on the outer annular surface of the plastic lens element. The outer surface is located opposite to the inner surface and in physical contact with the lateral portion of the lens barrel.Type: GrantFiled: September 27, 2022Date of Patent: May 30, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Heng Yi Su, Ming-Ta Chou, Chen-Yi Huang
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Patent number: 11614595Abstract: An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.Type: GrantFiled: June 4, 2020Date of Patent: March 28, 2023Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Ming-Ta Chou, Ming-Shun Chang
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Publication number: 20230060740Abstract: A camera module includes an imaging lens assembly and an image sensor. The imaging lens assembly includes a plastic optical element with a light-blocking layer disposed on its transparent surface. The plastic optical element includes an optical effective area, and a peripheral region of the light-blocking layer forms a specific shape around the optical effective area so as to define an aperture region. The peripheral region includes a main portion and a compensation portion. The main portion is physically contacted with the transparent surface. The compensation portion is disposed on an edge of the main portion adjacent to the optical effective area, and an optical density of the compensation portion is lower than an optical density of the main portion. The image sensor is disposed on an image side of the imaging lens assembly for defining a maximum image height and further defining a relative illumination.Type: ApplicationFiled: July 27, 2022Publication date: March 2, 2023Inventors: Jyun-Jia CHENG, Yu-Chen LAI, Ming-Ta CHOU, Chen-Yi HUANG
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Publication number: 20230021990Abstract: An imaging lens system includes a plastic lens element, a lens barrel and a light-absorbing layer. The plastic lens element is accommodated in the lens barrel and has an outer annular surface. The lens barrel includes a plate portion and a lateral wall portion. An optical axis of the imaging lens system passes through a light-passable hole of the plate portion. The lateral wall portion is connected to the plate portion and extends along a direction substantially parallel to the optical axis. The light-absorbing layer has an inner surface and an outer surface. The inner surface faces and is fixed on the outer annular surface of the plastic lens element. The outer surface is located opposite to the inner surface and in physical contact with the lateral portion of the lens barrel.Type: ApplicationFiled: September 27, 2022Publication date: January 26, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia CHENG, Heng Yi SU, Ming-Ta CHOU, Chen-Yi HUANG
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Publication number: 20230028802Abstract: This disclosure provides a lens assembly that has an optical path and includes a lens element and a light-blocking membrane layer. The lens element has an optical portion, and the optical path passes through the optical portion. The light-blocking membrane layer is coated on the lens element and adjacent to the optical portion. The light-blocking membrane layer has a distal side and a proximal side that is located closer to the optical portion than the distal side. The proximal side includes two extension structures and a recessed structure. Each of the extension structures extends along a direction away from the distal side, and the extension structures are not overlapped with each other in a direction in parallel with the optical path. The recessed structure is connected to the extension structures and recessed along a direction towards the distal side.Type: ApplicationFiled: November 10, 2021Publication date: January 26, 2023Applicant: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia CHENG, Yu Chen LAI, Ming-Ta CHOU, Cheng-Feng LIN, Chen-Yi HUANG
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Patent number: 11489991Abstract: An imaging lens system includes a plastic lens element, a lens barrel and a light-absorbing coating layer. The plastic lens element is accommodated in the lens barrel and has an outer annular surface. The lens barrel includes a plate portion and a lateral wall portion. An optical axis of the imaging lens system passes through a light-passable hole of the plate portion. The lateral wall portion is connected to the plate portion and extends along a direction substantially parallel to the optical axis. The light-absorbing coating layer has an inner surface and an outer surface. The inner surface faces and is fixed on the outer annular surface of the plastic lens element. The outer surface is located opposite to the inner surface and in physical contact with the lateral portion of the lens barrel.Type: GrantFiled: May 24, 2021Date of Patent: November 1, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Heng Yi Su, Ming-Ta Chou, Chen-Yi Huang
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Publication number: 20220252824Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.Type: ApplicationFiled: April 29, 2022Publication date: August 11, 2022Inventors: Jyun-Jia CHENG, Heng-Yi SU, Ming-Ta CHOU, Ming-Shun CHANG
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Publication number: 20220256059Abstract: An imaging lens system includes a plastic lens element, a lens barrel and a light-absorbing coating layer. The plastic lens element is accommodated in the lens barrel and has an outer annular surface. The lens barrel includes a plate portion and a lateral wall portion. An optical axis of the imaging lens system passes through a light-passable hole of the plate portion. The lateral wall portion is connected to the plate portion and extends along a direction substantially parallel to the optical axis. The light-absorbing coating layer has an inner surface and an outer surface. The inner surface faces and is fixed on the outer annular surface of the plastic lens element. The outer surface is located opposite to the inner surface and in physical contact with the lateral portion of the lens barrel.Type: ApplicationFiled: May 24, 2021Publication date: August 11, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia CHENG, Heng Yi SU, Ming-Ta CHOU, Chen-Yi HUANG
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Publication number: 20220196993Abstract: A light-folding element includes an object-side surface, an image-side surface, a reflection surface and a connection surface. The reflection surface is configured to reflect imaging light passing through the object-side surface to the image-side surface. The connection surface is connected to the object-side, image-side and reflection surfaces. The light-folding element has a recessed structure located at the connection surface. The recessed structure is recessed from the connection surface an includes a top end portion, a bottom end portion and a tapered portion located between the top end and bottom end portions. The top end portion is located at an edge of the connection surface. The tapered portion has two tapered edges located on the connection surface. The tapered edges are connected to the top end and bottom end portions. A width of the tapered portion decreases in a direction from the top end portion towards the bottom end portion.Type: ApplicationFiled: June 25, 2021Publication date: June 23, 2022Applicant: LARGAN PRECISION CO., LTD.Inventors: Min-Chun LIAO, Lin An CHANG, Ming-Ta CHOU, Jyun-Jia CHENG, Cheng-Feng LIN, Ming-Shun CHANG
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Patent number: 11353676Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.Type: GrantFiled: July 30, 2020Date of Patent: June 7, 2022Assignee: LARGAN PRECISION CO., LTD.Inventors: Jyun-Jia Cheng, Heng-Yi Su, Ming-Ta Chou, Ming-Shun Chang
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Publication number: 20210247586Abstract: An imaging lens assembly includes a plastic barrel and an optical element set. The optical element set includes an optical lens element, a light blocking sheet and a light-shielding layer. At least one surface of an object-side peripheral surface and an image-side peripheral surface of the optical lens element includes an annular side wall. An annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element are disposed correspondingly to each other. The light-shielding layer surrounds a central opening of the light blocking sheet and includes an annular concave-curved portion. The annular concave-curved portion is for retaining the light blocking sheet, so that there is no relative displacement in a direction parallel to an optical axis between the annular abutting surface of the light blocking sheet and the annular side wall of the optical lens element.Type: ApplicationFiled: July 30, 2020Publication date: August 12, 2021Inventors: Jyun-Jia CHENG, Heng-Yi SU, Ming-Ta CHOU, Ming-Shun CHANG
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Publication number: 20210173168Abstract: An imaging lens assembly has an optical axis, and includes a plastic carrier element and an imaging lens element set. The plastic carrier element includes an object-side surface, an image-side surface, an outer surface and an inner surface. The object-side surface includes an object-side opening. The image-side surface includes an image-side opening. The inner surface is connected to the object-side opening and the image-side opening. The imaging lens element set is disposed in the plastic carrier element, and includes at least three lens elements, each of at least two adjacent lens elements of the lens elements includes a first axial assembling structure, the first axial assembling structures are corresponding to and connected to each other. A solid medium interval is maintained between the adjacent lens elements and the inner surface. The solid medium interval is directly contacted with the adjacent lens elements and the inner surface.Type: ApplicationFiled: July 22, 2020Publication date: June 10, 2021Inventors: Jyun-Jia CHENG, Lin-An CHANG, Ming-Ta CHOU, Cheng-Feng LIN