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US 2019/0317253 A1Published application
Optical image lens assembly, imaging apparatus and electronic device
AssigneeLargan Precision Co., Ltd.
InventorsYeo-Chih HUANG, Pei-Chi CHANG, Chun-Hung TENG
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Abstract
An optical image lens assembly includes a plurality of optical lens elements. The optical lens elements include a plurality of plastic optical lens elements having refractive power and aspheric surfaces. The plastic optical lens elements are formed by an injection molding method and include at least one defined-wavelength light absorbing optical lens element, and the defined-wavelength light absorbing optical lens element includes at least one defined-wavelength light absorbent.
Claims24
An optical image lens assembly, comprising:
- a plurality of optical lens elements comprising a plurality of plastic optical lens elements having refractive power and aspheric surfaces;
- wherein the plastic optical lens elements are formed by an injection molding method and comprise at least one defined-wavelength light absorbing optical lens element, and the defined-wavelength light absorbing optical lens element comprises at least one defined-wavelength light absorbent;
- wherein the defined-wavelength light absorbing optical lens element has an average transmittance larger than 50% in a green visible light region, and the defined-wavelength light absorbing optical lens element has an average transmittance smaller than 50% in a defined-wavelength region;
- wherein a transmitted distance of a chief ray passing through the defined-wavelength light absorbing optical lens element between a central field of view to a field of view in 1.0 region in an imaging region of the optical image lens assembly is CP, a transmitted distance of the chief ray passing through the defined-wavelength light absorbing optical lens element in the central field of the optical image lens assembly is CP0, and the following condition is satisfied:
- 0.5≤CP/CP0≤2.0.
2 more elements
An optical image lens assembly, comprising:
- a plurality of optical lens elements comprising a plurality of plastic optical lens elements having refractive power and aspheric surfaces;
- wherein the plastic optical lens elements are formed by an injection molding method and comprise at least one defined-wavelength light absorbing optical lens element, and the defined-wavelength light absorbing optical lens element comprises at least one defined-wavelength light absorbent;
- wherein the defined-wavelength light absorbing optical lens element has an average transmittance larger than 50% in at least one of a blue visible light region, a green visible light region and a red visible light region;
- wherein the defined-wavelength light absorbing optical lens element has an average transmittance smaller than 70% in a defined-wavelength region, and a bandwidth having a transmittance smaller than 70% of the defined-wavelength light absorbing optical lens element is smaller than 200 nm;
- wherein a transmitted distance of a chief ray passing through the defined-wavelength light absorbing optical lens element between a central field of view to a field of view in 1.0 region in an imaging region of the optical image lens assembly is CP, a transmitted distance of the chief ray passing through the defined-wavelength light absorbing optical lens element in the central field of the optical image lens assembly is CP0, and the following condition is satisfied:
- 0.8≤CP/CP0≤1.2.
3 more elements
Dependencies are inferred from the claim text.