Abstract
An optical lens device includes a lens body, an optical filter and an optical absorbance portion. The lens body has a first lens surface and a second lens surface between which to form the optical filter where is to provide the optical absorbance portion. The optical absorbance portion includes a first main absorbance area having a first absorbance peak portion and a second main absorbance area having a second absorbance peak portion. The first main absorbance area has a first wavelength range between 420 nm and 440 nm formed as a high-energy blue UV absorbance area while the second main absorbance area has a second wavelength range between 580 nm and 610 nm.
Claims
1. An optical lens device comprising: a lens body having a first lens surface and a second lens surface, with the first lens surface provided at a first side of the lens body, with the second lens surface provided at a second side of the lens body; an optical filter provided between the first side and the second side of the lens body; and an optical absorbance portion provided in the optical filter, with the optical absorbance portion having a first main absorbance area with a first absorbance peak portion and a second main absorbance area with a second absorbance peak portion; wherein the first main absorbance area has a first wavelength range between 420 nm and 440 nm formed as a high-energy blue UV absorbance area, with said first main absorbance area having a first maximum absorbance with a wavelength about 432 nm, while the second main absorbance area has a second wavelength range between 580 nm and 610 nm.
2. The optical lens device as defined in claim 1, wherein the first main absorbance area is formed from a first dye power material.
3. The optical lens device as defined in claim 1, wherein the second absorbance peak portion has a spectral range with a second absorbance above 50%, 60%, 70% or 80%.
4. The optical lens device as defined in claim 1, wherein the first absorbance peak portion has a spectral range with a first absorbance above 80% or 95% or the second main absorbance area has a second maximum absorbance with a wavelength about 595 nm.
5. The optical lens device as defined in claim 1, wherein the first absorbance peak portion has the first wavelength range between 425 nm and 435 nm.
6. The optical lens device as defined in claim 1, wherein the second absorbance peak portion has the second wavelength range between 590 nm and 605 nm or between 590 nm and 600 nm.
7. The optical lens device as defined in claim 1, wherein the optical filter has at least one filter layer formed as a high-energy blue UV absorbance layer and at least one filter layer formed as a yellow-light absorbance layer.
8. An optical lens device comprising: a lens body having a first lens surface and a second lens surface, with the first lens surface provided at a first side of the lens body, with the second lens surface provided at a second side of the lens body; an optical filter provided between the first side and the second side of the lens body; and an optical absorbance portion provided in the optical filter, with the optical absorbance portion having a first main absorbance area with a first absorbance peak portion and a second main absorbance area with a second absorbance peak portion; wherein the first absorbance peak portion has a first wavelength ranging between 420 nm and 440 nm, with the first main absorbance area formed as a high-energy blue UV absorbance area while the second main absorbance area has a second wavelength range between 580 nm and 610 nm, with said second main absorbance area having a second maximum absorbance with a wavelength about 595 nm.
9. The optical lens device as defined in claim 8, wherein the first main absorbance area has a first maximum absorbance with a wavelength about 432 nm.
10. The optical lens device as defined in claim 8, wherein the first absorbance peak portion has a spectral range with a first absorbance above 80% or 95% or the second absorbance peak portion has a spectral range with a second absorbance above 50%, 60%, 70% or 80%.
11. The optical lens device as defined in claim 8, wherein the second main absorbance area is formed from a second dye powder material.
12. The optical lens device as defined in claim 8, wherein the first absorbance peak portion has the first wavelength range between 425 nm and 435 nm.
13. The optical lens device as defined in claim 8, wherein the second absorbance peak portion has the second wavelength range between 590 nm and 605 nm or between 590 nm and 600 nm.
14. The optical lens device as defined in claim 11, wherein the optical filter has at least one filter layer formed as a high-energy blue UV absorbance layer and at least one filter layer formed as a yellow-light absorbance layer.
15. An optical lens device comprising: a lens body having a first lens surface and a second lens surface, with the first lens surface provided at a first side of the lens body, with the second lens surface provided at a second side of the lens body; an optical filter provided between the first side and the second side of the lens body; and an optical absorbance portion provided in the optical filter, with the optical absorbance portion having a first main absorbance area with a first absorbance peak portion and a second main absorbance area with a second absorbance peak portion; wherein the first main absorbance area has a first wavelength range between 420 nm and 440 nm formed as a high-energy blue UV absorbance area, with said first main absorbance area having a first maximum absorbance with a wavelength about 432 nm, while the second absorbance peak portion has a second wavelength ranging between 580 nm and 610 nm.
16. The optical lens device as defined in claim 15, wherein the first main absorbance area is formed from a first dye powder material.
17. The optical lens device as defined in claim 15, wherein the second main absorbance area has a second maximum absorbance with a wavelength about 595 nm.
18. The optical lens device as defined in claim 15, wherein the first absorbance peak portion has a spectral range with a first absorbance above 80% or 95% or the second absorbance peak portion has a spectral range with a second absorbance above 50%, 60%, 70% or 80%.
19. The optical lens device as defined in claim 15, wherein the first absorbance peak portion has the first wavelength range between 425 nm and 435 nm.
20. The optical lens device as defined in claim 15, wherein the second absorbance peak portion has the second wavelength range between 590 nm and 605 nm or between 590 nm and 600 nm.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings which are given by way of illustration only, and thus are not limitative of the present invention, and wherein:
(2) FIG. 1 is a schematic side view of an optical lens device with chroma enhancement in accordance with a first preferred embodiment of the present invention.
(3) FIG. 2 is a schematic side view of an optical lens device with chroma enhancement in accordance with a second preferred embodiment of the present invention.
(4) FIG. 3 is a chart illustrating a first filtered spectral band of the optical lens device in accordance with a preferred embodiment of the present invention.
(5) FIG. 4 is a chart illustrating a second filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(6) FIG. 5 is a chart illustrating a third filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(7) FIG. 6 is a chart illustrating a fourth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(8) FIG. 7 is a chart illustrating a fifth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(9) FIG. 8 is a chart illustrating a sixth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(10) FIG. 9 is a chart illustrating a seventh filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(11) FIG. 10 is a chart illustrating an eighth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(12) FIG. 11 is a chart illustrating a ninth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(13) FIG. 12 is a chart illustrating a tenth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(14) FIG. 13 is a chart illustrating an eleventh filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
(15) FIG. 14 is a chart illustrating a twelfth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
(16) It is noted that an optical lens device with chroma enhancement in accordance with the preferred embodiment of the present invention can be applicable to various glasses (including rimless glasses), various sunglasses, various smart glasses, various sport glasses (including motorcycle-riding glasses), various goggles, various VR wearable glasses devices, various AR wearable glasses devices or other optical devices such as computer display glasses or TV screen glasses, which are not limitative of the present invention.
(17) FIG. 1 shows a schematic side view of an optical lens device with chroma enhancement in accordance with a first preferred embodiment of the present invention. Referring now to FIG. 1, the optical lens device with chroma enhancement in accordance with the first preferred embodiment of the present invention includes a first lens body 1, an optical filter 10 and an optical absorbance portion 2.
(18) With continued reference to FIG. 1, by way of example, the first lens body 1 is formed from a curved-surface lens body such as a corrective glasses, a sunglasses, a sport glasses, a reading glasses, a helmet face shield, a safety helmet face shield (including welding helmet face shield), or other curved-surface lens bodies. The first lens body 1 is a transparent lens body with a preferred curvature.
(19) Still referring to FIG. 1, by way of example, the first lens body 1 has a first lens surface 11 located at a first side (i.e. outer side as a light incident side) and a second lens surface 12 located at a second side (i.e. inner side as a light filtered side). The first lens body 1 is serially formed with a first light-attenuation layer (or area) with at least one first predetermined absorbance peak, a second light-attenuation layer (or area) with at least one second predetermined absorbance peak and a third light-attenuation layer (or area) with at least one third predetermined absorbance peak.
(20) FIG. 2 shows a schematic side view of an optical lens device with chroma enhancement in accordance with a second preferred embodiment of the present invention, corresponding to that shown in FIG. 1. Turning now to FIG. 2, in comparison with the first embodiment, the optical lens device with chroma enhancement in accordance with the second preferred embodiment of the present invention includes a second lens body 1a, an optical filter 10 and an optical absorbance portion 2.
(21) With continued reference to FIG. 2, by way of example, the second lens body 1a is formed from a flat-surface lens body, a thin layer lens body or a multiple layer lens body such as a TV screen glasses, a screen protector for 3C electronic devices, or other flat-surface lens bodies.
(22) Referring back to FIGS. 1 and 2, by way of example, the optical filter 10 is suitably provided between the first lens surface 11 and the second lens surface 12 of the first lens body 1 or the second lens body 1a. Accordingly, the optical filter 10 is capable of attenuating incident light from the first lens surface 11 to the second lens surface 12, as best shown by arrows in FIGS. 1 and 2.
(23) Still referring to FIGS. 1 and 2, by way of example, the optical absorbance portion 2 is suitably provided at a preferred position of the optical filter 10. In a preferred embodiment, the optical absorbance portion 2 may be at the first lens surface 11 or the second lens surface 12. The optical absorbance portion 2 includes a plurality of main absorbance areas and is made from at least one dye powder material which is selected from FOB-002 manufactured by Yamada Chemical Co. Ltd., Japan (region λ.sub.Max=432 nm), FOG-007 manufactured by Yamada Chemical Co. Ltd., Japan (region λ.sub.Max=595 nm) or a mixture thereof.
(24) With continued reference to FIGS. 1 and 2, by way of example, the optical absorbance portion 2 has a plurality of main absorbance areas to filter incident light, as best shown by arrows in FIGS. 1 and 2, to form a filtered spectrum band. Furthermore, the optical absorbance portion 2 is formed from a plurality of attenuation areas, as best shown by curved dotted lines in FIGS. 1 and 2, which are selectively made from different concentrations of dye powder materials.
(25) FIG. 3 shows a chart illustrating a first filtered spectral band of the optical lens device in accordance with a preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 3, by way of example, the optical absorbance portion 2 of the first filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 3, and a second main absorbance area “b”, as best shown at right side in FIG. 3, which are made from a first preferred concentration of FOB-002 and a second preferred concentration of FOB-007. In a preferred embodiment, the first preferred concentration of FOB-002 is between about 0.005 .sup.g/.sub.kg PC and about 0.02 .sup.g/.sub.kg PC or is about 0.015 .sup.g/.sub.kg PC for a first peak (e.g. λ.sub.Max=432 nm) while the second preferred concentration of FOB-007 is between about 0.005 .sup.g/.sub.kg PC and about 0.04 .sup.g/.sub.kg PC or is about 0.03 .sup.g/.sub.kg PC for a second peak (e.g. λ.sub.Max=595 nm).
(26) With continued reference to FIGS. 1, 2 and 3, by way of example, the first main absorbance area “a” has a first absorbance peak portion and the second main absorbance area “b” has a second absorbance peak portion. Furthermore, the first main absorbance area “a” has a first wavelength range between 420 nm and 440 nm formed as a high-energy blue UV absorbance area while the second main absorbance area “b” has a second wavelength range between 580 nm and 610 nm.
(27) Referring again to FIG. 3, in another preferred embodiment, the first main absorbance area “a” has a first wavelength range between 420 nm and 440 nm while the second absorbance peak portion of the second main absorbance area “b” has a second wavelength ranging between 580 nm and 610 nm.
(28) With continued reference to FIG. 3, in another preferred embodiment, the first absorbance peak portion of the first main absorbance area “a” has a first wavelength ranging between 420 nm and 440 nm, or between 425 nm and 435 nm while the second main absorbance area “b” has a second wavelength range between 580 nm and 610 nm, between 590 nm and 605 nm, or between 590 inn and 600 nm.
(29) With continued reference to FIG. 3, by way of example, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80% or 85%. A predetermined ratio of first absorbance to second absorbance is 95:80, 95:85 or other suitable value, as best shown in FIGS. 3-14.
(30) FIG. 4 shows a chart illustrating a second filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 4, by way of example, the optical absorbance portion 2 of the second filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 4, and a second main absorbance area “b”, as best shown at right side in FIG. 4. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(31) FIG. 5 shows a chart illustrating a third filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 5, by way of example, the optical absorbance portion 2 of the third filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 5, and a second main absorbance area “b”, as best shown at right side in FIG. 5. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(32) FIG. 6 shows a chart illustrating a fourth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 6, by way of example, the optical absorbance portion 2 of the fourth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 6, and a second main absorbance area “b”, as best shown at right side in FIG. 6. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(33) FIG. 7 shows a chart illustrating a fifth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 7, by way of example, the optical absorbance portion 2 of the fifth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 7, and a second main absorbance area “b”, as best shown at right side in FIG. 7. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(34) FIG. 8 shows a chart illustrating a sixth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 8, by way of example, the optical absorbance portion 2 of the sixth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 8, and a second main absorbance area “b”, as best shown at right side in FIG. 8. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(35) FIG. 9 shows a chart illustrating a seventh filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 9, by way of example, the optical absorbance portion 2 of the seventh filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 9, and a second main absorbance area “b”, as best shown at right side in FIG. 9. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(36) FIG. 10 shows a chart illustrating an eighth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 10, by way of example, the optical absorbance portion 2 of the eighth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 10, and a second main absorbance area “b”, as best shown at right side in FIG. 10. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(37) FIG. 11 shows a chart illustrating a ninth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 11, by way of example, the optical absorbance portion 2 of the ninth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 11, and a second main absorbance area “b”, as best shown at right side in FIG. 11. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 80%.
(38) FIG. 12 shows a chart illustrating a tenth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 12, by way of example, the optical absorbance portion 2 of the tenth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 12, and a second main absorbance area “b”, as best shown at right side in FIG. 12. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 70%.
(39) FIG. 13 shows a chart illustrating an eleventh filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 13, by way of example, the optical absorbance portion 2 of the eleventh filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 13, and a second main absorbance area “b”, as best shown at right side in FIG. 13. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 60%.
(40) FIG. 14 shows a chart illustrating a twelfth filtered spectral band of the optical lens device in accordance with another preferred embodiment of the present invention. Turning now to FIGS. 1, 2 and 14, by way of example, the optical absorbance portion 2 of the twelfth filtered spectral band has a first main absorbance area “a”, as best shown at left side in FIG. 14, and a second main absorbance area “b”, as best shown at right side in FIG. 14. Furthermore, the first absorbance peak portion of the first main absorbance area “a” has a first absorbance above 95% and the second absorbance peak portion of the second main absorbance area “b” has a second absorbance above 50%.
(41) Although the invention has been described in detail with reference to its presently preferred embodiment, it will be understood by one of ordinary skills in the art that various modifications can be made without departing from the spirit and the scope of the invention, as set forth in the appended claims.
