CN103389561B - There is the optical lens and its optical mirror slip that stop infrared function - Google Patents

Abstract

The invention provides a kind of optical lens and its optical mirror slip with stop infrared function.Optical mirror slip comprises a main body with two surfaces, and at least one surface on those surfaces is formed the plural layer optical film along a direction storehouse, and no more than 20 layers of its total number of plies, gross thickness are not less than 400 nanometers and are not more than 2000 nanometers.Through the storehouse of optical film, reduce optical mirror slip to the penetrance of the incident light of infrared ray wave band, to filter infrared ray, and without the need to increasing extra infrared filter.

Description

There is the optical lens and its optical mirror slip that stop infrared function

[technical field]

The present invention is relevant with its optical mirror slip to a kind of optical lens, and especially to have the optical lens stopping infrared function relevant with its optical mirror slip.

[background technology]

First please refer to Fig. 1, it shows a structural representation of traditional optical lens system.As shown in FIG., the traditional optical camera lens 1 herein shown is made up of three optical mirror slips 10,20,30, photosensory assembly cover glass 80, photosensory assembly 90 and an infrared filter 100.Each optical mirror slip 10,20,30 all has two surfaces 11,12,21,22,31,32, and wherein surface 11,21,31 is towards thing side, therefore claims thing side, and surface 12,22,32 is towards image side, therefore claims face, image side.The position of optical mirror slip 10,20,30 is be arranged in a microscope base (not shown) via a lens barrel (not shown), go to be with the relative position between moving lens barrel and photosensory assembly 90 and distance by the Focusing module (not shown) on microscope base, allow well incident optical energy focal imaging on photosensory assembly 90, to obtain image clearly.Photosensory assembly cover glass 80 is to provide the protection of photosensory assembly 90 at this.But provide the scenery more pressed close to human eye and see in order to the image energy making photosensory assembly 90 detect, before incident light enters photosensory assembly 90, can first by infrared filter 100, the incident light in infrared ray wave band interval is filtered out with blocking, in order to avoid photosensory assembly 90 is subject to infrared ray impact, and have influence on image quality.

The spectrum of the conventional red outside line optical filter shown by Fig. 2 to Fig. 7, the infrared ray filter effect of visible conventional red outside line optical filter.Optical mirror slip is all that the E48R material (refractive index 1.533) of producing using ZEONEX company, as its body, it is noted that as used herein, is carry out penetrance analysis with five optical mirror slips, to obtain the spectrum of Fig. 2 to Fig. 7 at this.Secondly, infrared filter is made by glass material as used herein, its thing side forms 60 layers of infrared ray filter membranous layer and on its face, image side, forms 4 layers of anti-reflective film layer visible ray being had to higher penetrability.About thickness and the gross thickness of infrared filter each layer infrared ray filter membranous layer/anti-reflective film layer on its thing side and/or face, image side, please refer to following three tables:

Please also refer to Fig. 2 to Fig. 5, wherein Fig. 2 display only forms the spectrogram of the monolithic infrared filter of 60 layers of infrared ray filter membranous layer on thing side, Fig. 3 display only forms the spectrogram of the monolithic infrared filter of 4 layers of anti-reflective film layer on face, image side, Fig. 4 display only forms the monolithic infrared filter of 60 layers of infrared ray filter membranous layer on thing side, the monolithic infrared filter only forming 4 layers of anti-reflective film layer on face, image side also forms comparing of the spectrogram of the monolithic infrared filter of 4 layers of anti-reflective film layer with thing side being formed 60 layers of infrared ray filter membranous layer on its face, image side, Fig. 5 is for the partial enlarged drawing of spectrum shown in Fig. 4 in the interval of wavelength 850 to 1300 nanometer.The spectrum representing the monolithic infrared filter only forming 60 layers of infrared ray filter membranous layer on thing side with thin black line 101 in figure, thin black line 102 represents the spectrum of the monolithic infrared filter only forming 4 layers of anti-reflective film layer on face, image side, and thick black line 103 represents formation 60 layers of infrared ray filter membranous layer on thing side and on its face, image side, also forms the spectrum of the monolithic infrared filter of 4 layers of anti-reflective film layer.Obviously can find out from figure and form 60 layers of infrared ray filter membranous layer in thing side and on face, image side, also form 4 layers of anti-reflective film layer, show more excellent infrared ray light-filtering characteristic compared with other monolithic infrared filter, and have higher penetrability in visible ray part.

When wavelength is between 850 to 1300 nanometer, thing side forms 60 layers of infrared ray filter membranous layer and on face, image side, also forms wavelength and following three tables of penetrance correlation values of the spectrogram of the infrared filter of 4 layers of anti-reflective film layer:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	65.596355	0.173758	0.008252	0.000030	0.000002	0.000001

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.000001	0.000001	0.000001	0.000001	0.000001	0.000001

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.000358	0.001106	0.167090	0.094031	2.991597	24.515900	4.239430

Its range of wavelengths in 875 to 1250 nanometers visible, penetrance is greatly about less than 3%.

Please also refer to Fig. 6 and Fig. 7, wherein Fig. 6 shows the spectrogram of the traditional optical camera lens be made up of five optical mirror slips and the monolithic infrared filter of aforementioned conventional, and Fig. 7 is for the partial enlarged drawing of spectrum shown in Fig. 6 in the interval of wavelength 850 to 1300 nanometer.Optical mirror slip all forms 4 layers of anti-reflective film layer on its thing side and face, image side as used herein, and each layer material and thickness are in detail as following table:

The spectrum representing use five traditional optical eyeglasses with thin black line 111 in figure, represent formation 60 layers of infrared ray filter membranous layer on use thing side with thin black line 112 and on its face, image side, also form the spectrum of the monolithic infrared filter of 4 layers of anti-reflective film layer, representing the spectrum using and also form the monolithic infrared filter of 4 layers of anti-reflective film layer so that five optical mirror slips and thing side to form 60 layers of infrared ray filter membranous layer on its face, image side with thick black line 113.Obviously can find out the situation using infrared filter from figure, i.e. the spectrum of thin black line 112 and thick black line 113, all have the ripple (ripple) of certain degree to exist, detailed data please refer to following table:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	54.602513	0.136266	0.006065	0.000021	0.000001	0.000001

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.000001	0.000001	0.000001	0.000001	0.000001	0.000001

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.000142	0.000421	0.061105	0.033138	1.021718	6.389431	2.364835

Can learn in above-mentioned, thing side forms 60 layers of infrared ray filter membranous layer and the infrared penetration rate that also forms the monolithic infrared filter of 4 layers of anti-reflective film layer on its face, image side is approximately below 3%, at visible light part, as: wavelength between the penetrance of the incident light of 450 to 650 nanometers be higher than 80%, and infrared penetration rate complex side forming 60 layers of infrared ray filter membranous layer and also form the optical lens of the infrared filter of 4 layers of anti-reflective film layer on its face, image side is about that visible light part also has good penetrance below 1.1%.But, because needs additionally arrange an infrared filter in optical lens, will the entire length of optical lens be increased thus, and is unfavorable for providing more compact optical lens.

[summary of the invention]

An object of the present invention is that providing a kind of has the optical lens and its optical mirror slip that stop infrared function, can omit the demand using an extra infrared filter in known techniques, reach the advantage reducing optical lens entire length.

Another object of the present invention is to provide a kind of and there is the optical lens and its optical mirror slip that stop infrared function, along the plural number first materials optical rete of a direction storehouse and plural second materials optical rete there is between adjacent two layer of first materials optical rete the structure of one second materials optical rete through optical film, reduce optical mirror slip to the penetrance of the incident light of wavelength between 900 to 1250 nanometers, with the infrared ray of wavelength-filtered between 900 to 1250 nanometers.

Another object of the present invention is that providing a kind of has the optical lens and its optical mirror slip that stop infrared function, through control both optical rete on the surface of optical mirror slip along the number of times of a direction storehouse and the thickness of each layer, adjustment optical mirror slip to the reduction ratio of the penetrance of the incident light of wavelength between 900 to 1250 nanometers.

Another object of the present invention is to provide the optical mirror slip with following properties: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is the interval that a minimum value system of penetrance drops on wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, penetrance system is not more than 60%; And c. is to the incident light of wavelength between 450 to 650 nanometers, penetrance system is higher than 80%.

Another object of the present invention is to provide the optical lens with following properties: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, penetrance is for being not more than 10%; And c. is to the incident light of wavelength between 450 to 650 nanometers, penetrance is higher than 80%.

According to of the present invention one towards, a kind of optical mirror slip is provided, comprises: a main body and plural layer optical film.Main body has a refractive index and two surfaces, and in this little surface, at least one surface has one in bending curved face part, and at least one surface on this little surface is formed with plural layer optical film.Optical film has plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, this a little first materials optical rete has a first refractive rate higher than the refractive index of this main body, and this little second materials optical rete has second refractive index lower than the refractive index of this main body, one total number of plies of this little optical film is no more than 20 layers, and a gross thickness of this little optical film is for being not less than 400 nanometers and being not more than 2000 nanometers, optical mirror slip has following properties by this: a. is to the incident light of wavelength between 500 to 1300 nanometers, one minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer, b. to the incident light of wavelength between 900 to 1250 nanometers, its penetrance is for being not more than 60%, and c. is to the incident light of wavelength between 450 to 650 nanometers, its penetrance is higher than 80%.

According to of the present invention one towards, a kind of optical lens is provided, comprises: before a photosensory assembly and an optical mirror slip group are arranged at photosensory assembly.Optical mirror slip group makes a refracting light incident and enters photosensory assembly and sense an image, it is positioned opposite to each other that optical mirror slip group comprises at least three optical mirror slips, those optical mirror slips comprise a main body respectively, main body has a refractive index and two surfaces, in this little surface, at least one surface has one in bending curved face part, at least one surface of each optical mirror slip all forms plural layer optical film, this a little optical film has plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, this a little first materials optical rete has a first refractive rate higher than the refractive index of this main body, and this little second materials optical rete has second refractive index lower than the refractive index of main body, one total number of plies of this little optical film is no more than 20 layers, and a gross thickness of this little optical film is for being not less than 400 nanometers and being not more than 2000 nanometers, and making optical lens show following properties: a. is to the incident light of wavelength between 500 to 1300 nanometers, the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer, b. to the incident light of wavelength between 900 to 1250 nanometers, its penetrance is for being not more than 10%, and c. is to the incident light of wavelength between 450 to 650 nanometers, its penetrance is higher than 80%.

Optical mirror slip alleged by the present invention have be formed at its two-sided on rete, so this little rete is not limited to optical film of the present invention, also can have the rete of optical film of the present invention and other type concurrently.The surface of indication of the present invention can be subdivided into a thing side and a face, image side.Total number of plies of optical film of the present invention, the design of the thickness of gross thickness and each layer can according to different demand or standard elastic change, for example: in order to for different range of wavelengths, user demand, make door, cost or other factors, change total number of plies and the thickness of optical film, to change the penetrance obtained, spectral characteristic, or other characteristic, but be preferably when two surfaces of main body are all formed with optical film, total number of plies of optical film is designed to be not less than 6 layers, and no more than 16 layers, or when only a surface is all formed with optical film, total number of plies of those optical films on each surface is designed to be not less than 8 layers, and no more than 16 layers.Exemplarily implement aspect with of the present invention one, in order to reduce the composition of ripple (ripple) of the spectrum after optical mirror slip filters, it is adjacent for can controlling one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest.On the other hand, in face, image side, also alternative uses similar THICKNESS CONTROL, so prove really can obtain comparatively stable excellent spectrum through experimental data of the present invention, but the present invention is not restricted to this.

Secondly, optical film of the present invention is the first materials optical rete and the second materials optical rete multi-layer film structure along a direction storehouse, and the first materials optical rete for example can be selected from Ti ₃o ₅(refractive index 2.322), Ta ₂o ₅(refractive index 2.18), H ₄(refractive index 1.96), ZrO ₂(refractive index 1.95), OS-50 (refractive index 2.294) and Nb ₂o ₅the group that (refractive index 2.34) is formed, the second materials optical rete for example can be selected from SiO ₂(refractive index 1.455) and MgF ₂the group that (refractive index 1.38) is formed, the material of right first materials optical rete and the second materials optical rete is not limited to this.On the other hand, the present invention also can by the rete fit applications of aforementioned optical rete and other kind, for example, at least one optical mirror slip of optical frames head group can a plural layer optical film being formed with total no more than 20 layers an of number of plies on the surface wherein, and can be formed on the surface wavelength between the penetrance of the incident light of 450 to 650 nanometers at another be plural layer anti-reflective film layer higher than 80%, certain infrared ray light-filtering characteristic so also can be obtained.In this example, restriction does not plate the surface of anti-reflective film layer, as: thing side plates optical film and face, image side plates anti-reflective film layer, or thing side plates anti-reflective film layer and face, image side plates optical film.

Therefore, can learn through above-mentioned, optical lens of the present invention and its optical mirror slip are by the stack architecture of the optical film that the surface of optical mirror slip is formed, the optical characteristics of its filtration infrared ray band spectrum cumulative, and the optical characteristics that the infrared ray reaching optical mirror slip filters, the image sensor that so can reduce optical lens is subject to the impact of infrared ray band spectrum, to avoid affecting the quality of image.

[accompanying drawing explanation]

Fig. 1 shows a structural representation of the lens systems of traditional optical lens.

Fig. 2 shows the spectrogram of traditional monolithic infrared filter.

Fig. 3 display only forms the spectrogram of the monolithic infrared filter of 4 layers of anti-reflective film layer on face, image side.

Fig. 4 shows the monolithic infrared filter only forming 60 layers of infrared ray filter membranous layer on thing side, the monolithic infrared filter only forming 4 layers of anti-reflective film layer on face, image side and and thing side is formed 60 layers of infrared ray filter membranous layer and on its face, image side, also forms comparing of the spectrogram of the monolithic infrared filter of 4 layers of anti-reflective film layer.

Fig. 5 is for the partial enlarged drawing of spectrum shown in Fig. 4 in the interval of wavelength 850 to 1300 nanometer.

Fig. 6 shows the comparison schematic diagram of the spectrogram of the traditional optical camera lens be made up of five optical mirror slips and the monolithic infrared filter of aforementioned conventional.

Fig. 7 is for the partial enlarged drawing of spectrum shown in Fig. 6 in the interval of wavelength 850 to 1300 nanometer.

Fig. 8 display utilizes the present invention to make a structural representation of the lens systems of optical lens.

Fig. 9 shows the spectrogram only forming the monolithic optical eyeglass of 6 layers of optical film on its thing side according to first embodiment of the invention.

Figure 10 shows the spectrogram only forming the monolithic optical eyeglass of 6 layers of optical film on its face, image side according to first embodiment of the invention.

The spectrogram that Figure 11 one side shown according to first embodiment of the invention forms the monolithic optical eyeglass of 6 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 6 layers of optical film compare schematic diagram.

Figure 12 is for the partial enlarged drawing of spectrum shown in Figure 11 in the interval of wavelength 850 to 1300 nanometer.

Figure 13 shows the spectrogram forming the optical lens of optical mirror slip groups with five optical mirror slips according to first embodiment of the invention.

Figure 14 is for the partial enlarged drawing of spectrum shown in Figure 13 in the interval of wavelength 850 to 1300 nanometer.

Figure 15 shows the spectrogram only forming the monolithic optical eyeglass of 8 layers of optical film on its thing side according to second embodiment of the invention.

Figure 16 shows the spectrogram only forming the monolithic optical eyeglass of 8 layers of optical film on its face, image side according to second embodiment of the invention.

The spectrogram that Figure 17 one side shown according to second embodiment of the invention forms the monolithic optical eyeglass of 8 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 8 layers of optical film compare schematic diagram.

Figure 18 is for the partial enlarged drawing of spectrum shown in Figure 17 in the interval of wavelength 850 to 1300 nanometer.

Figure 19 shows the spectrogram forming the optical lens of optical mirror slip groups with five optical mirror slips according to second embodiment of the invention.

Figure 20 is for the partial enlarged drawing of spectrum shown in Figure 19 in the interval of wavelength 850 to 1300 nanometer.

Figure 21 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its thing side according to third embodiment of the invention.

Figure 22 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its face, image side according to third embodiment of the invention.

The spectrogram that Figure 23 one side shown according to third embodiment of the invention forms the monolithic optical eyeglass of 12 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 12 layers of optical film compare schematic diagram.

Figure 24 is for the partial enlarged drawing of spectrum shown in Figure 23 in the interval of wavelength 850 to 1300 nanometer.

Figure 25 shows the spectrogram forming the optical lens of optical mirror slip groups with four optical mirror slips according to third embodiment of the invention.

Figure 26 is for the partial enlarged drawing of spectrum shown in Figure 25 in the interval of wavelength 850 to 1300 nanometer.

Figure 27 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its thing side according to fourth embodiment of the invention.

Figure 28 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its face, image side according to fourth embodiment of the invention.

The spectrogram that Figure 29 one side shown according to fourth embodiment of the invention forms the monolithic optical eyeglass of 12 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 12 layers of optical film compare schematic diagram.

Figure 30 is for the partial enlarged drawing of spectrum shown in Figure 29 in the interval of wavelength 850 to 1300 nanometer.

Figure 31 shows the spectrogram that the two-sided monolithic all forming 6 layers of anti-reflective film layer commonly uses optical mirror slip.

Figure 32 is for the partial enlarged drawing of spectrum shown in Figure 31 in the interval of wavelength 850 to 1300 nanometer.

Figure 33 shows the spectrogram forming the optical lens of optical mirror slip groups with four optical mirror slips according to fourth embodiment of the invention.

Figure 34 is for the partial enlarged drawing of spectrum shown in Figure 33 in the interval of wavelength 850 to 1300 nanometer.

Figure 35 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its thing side according to fifth embodiment of the invention.

Figure 36 shows the spectrogram only forming the monolithic optical eyeglass of 12 layers of optical film on its face, image side according to fifth embodiment of the invention.

The spectrogram that Figure 37 one side shown according to fifth embodiment of the invention forms the monolithic optical eyeglass of 12 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 12 layers of optical film compare schematic diagram.

Figure 38 is for the partial enlarged drawing of spectrum shown in Figure 37 in the interval of wavelength 850 to 1300 nanometer.

Figure 39 shows the spectrogram that only thing side forms monolithic the 3rd class optical mirror slip of 12 layers of optical film.

Figure 40 shows the spectrogram that only face, image side forms monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer.

The spectrogram that Figure 41 shows Figure 39 and Figure 40 display forms 12 layers of optical film with thing side and face, image side forms comparing of the spectrogram of monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer.

Figure 42 is for the partial enlarged drawing of spectrum shown in Figure 41 in the interval of wavelength 850 to 1300 nanometer.

Figure 43 shows the spectrogram forming the optical lens of optical mirror slip groups with four optical mirror slips according to fifth embodiment of the invention.

Figure 44 is for the partial enlarged drawing of spectrum shown in Figure 43 in the interval of wavelength 850 to 1300 nanometer.

Figure 45 shows the spectrogram only forming the monolithic optical eyeglass of 14 layers of optical film on its thing side according to sixth embodiment of the invention.

Figure 46 shows the spectrogram only forming the monolithic optical eyeglass of 14 layers of optical film on its face, image side according to sixth embodiment of the invention.

The spectrogram that Figure 47 one side shown according to sixth embodiment of the invention forms the monolithic optical eyeglass of 14 layers of optical film with two-sided all form the spectrogram of the monolithic optical eyeglass of 14 layers of optical film compare schematic diagram.

Figure 48 is for the partial enlarged drawing of spectrum shown in Figure 47 in the interval of wavelength 850 to 1300 nanometer.

Figure 49 shows the spectrogram forming the optical lens of optical mirror slip groups with three optical mirror slips according to sixth embodiment of the invention.

Figure 50 is for the partial enlarged drawing of spectrum shown in Figure 49 in the interval of wavelength 850 to 1300 nanometer.

[embodiment]

For further illustrating each embodiment, the present invention provides graphic.This is graphic is a bit a part for disclosure of the present invention, and it is mainly in order to illustrate embodiment, and the associated description of instructions can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, this area has knows that the knowledgeable will be understood that other possible embodiment and advantage of the present invention usually.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.

The present invention aims to provide a kind of optical lens and optical mirror slip thereof, to filter the spectrum of infrared ray wave band.Comprising at this each optical mirror slip selected is formed by a main body and plural layer optical film, and main body has a refractive index and two surfaces, and in this little surface, at least one surface has one in bending curved face part.At least one surface of each optical mirror slip is all formed with the optical film of multilayer, this a little optical film has plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, this a little first materials optical rete has a first refractive rate higher than the refractive index of main body, and this little second materials optical rete has second refractive index lower than the refractive index of main body.Total number of plies of optical film is neither more than 20 layers, and its gross thickness is for being not less than 400 nanometers and being not more than 2000 nanometers, reduce optical mirror slip by this to a penetrance of the incident light of wavelength between 900 to 1250 nanometers, and making optical mirror slip of the present invention show following properties: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, penetrance is for being not more than 60%; And c. is to the incident light of wavelength between 450 to 650 nanometers, penetrance is higher than 80%.

On the other hand, optical lens of the present invention is select at least three aforesaid optical mirror slips with good optical characteristic positioned opposite to each other to form an optical mirror slip group.Optical mirror slip group be arranged at a photosensory assembly before, make a refracting light incident and enter photosensory assembly and sense an image.What can understand is that the profile variation of optical mirror slip can change its optical focus characteristic, this a little optical mirror slip does not limit its profile at this, each optical mirror slip may have difform profile, this is in the field belonging to the present invention, have the simple change usually knowing that the knowledgeable can be according to its factor such as application and demand, does not repeat them here.Each optical mirror slip is preferably by a main body, as: the main body that the material being 1.533 with refractive index makes is formed, so not as limit.Main body has a refractive index and two surfaces, as: a thing side and a face, image side, in this little surface, at least one surface has one in bending curved face part.At least one surface of each optical mirror slip all forms plural layer optical film, as: be formed with no more than 20 layers and gross thickness is the plural layer optical film being not less than 400 nanometers and being not more than 2000 nanometers of a total number of plies with vacuum evaporation.Optical film has plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, this a little first materials optical rete has a first refractive rate higher than the refractive index of main body, and this little second materials optical rete has second refractive index lower than the refractive index of this main body.Through the storehouse of this little optical film, goodly reduce the penetrance of optical mirror slip to the incident light of wavelength between 900 to 1250 nanometers, and making optical lens show following properties: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, its penetrance is for being not more than 10%; And c. is to the incident light of wavelength between 450 to 650 nanometers, its penetrance is higher than 80%.Therefore, no matter be optical mirror slip of the present invention or optical lens, all can provide excellent obstruct for the infrared spectrum in the interval of wavelength 900 to 1250 nanometer, and between the visible light of 450 to 650 nanometers, good light penetrability is also maintained for wavelength.

Secondly, total number of plies of optical film of the present invention, the design of the thickness of gross thickness and each layer can according to different demand or standard elastic change, for example: in order to for different range of wavelengths, user demand, make door, cost or other factors, change total number of plies and the thickness of optical film, to change the penetrance obtained, spectral characteristic, or other characteristic, but be preferably when two surfaces of main body are all formed with optical film, total number of plies of those optical films on each surface is designed to be not less than 6 layers, and no more than 16 layers, or when only a surface is all formed with optical film, total number of plies of optical film is designed to be not less than 8 layers, and no more than 16 layers.Exemplarily implement aspect with of the present invention one, in order to there is ripple (ripple) in the spectrogram curve reduced after optical mirror slip filters, can form more than at least six layers optical films along a direction storehouse from the teeth outwards, and can to control one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest be adjacent.So prove really can obtain comparatively stable excellent spectrum through experimental data of the present invention, but the present invention is not restricted to this.

In addition, optical film of the present invention is the first materials optical rete and the second materials optical rete multi-layer film structure along a direction storehouse, and the first materials optical rete for example can be selected from Ti ₃o ₅(refractive index 2.322), Ta ₂o ₅(refractive index 2.18), H ₄(refractive index 1.96), ZrO ₂(refractive index 1.95), OS-50 (refractive index 2.294) and Nb ₂o ₅the group that (refractive index 2.34) is formed, the second materials optical rete for example can be selected from SiO ₂(refractive index 1.455) and MgF ₂the group that (refractive index 1.38) is formed, is so not limited thereto.On the other hand, the present invention also can have the optical mirror slip of optical film and the rete fit applications of other kind by aforementioned, for example, at least one optical mirror slip of optical frames head group can a plural layer optical film being formed with total no more than 20 layers an of number of plies on the surface wherein, and plural layer anti-reflective film layer can be formed on the surface at another, so also can obtain certain infrared ray light-filtering characteristic.In this example, restriction does not plate the surface of anti-reflective film layer, as: thing side plates optical film and face, image side plates anti-reflective film layer, or thing side plates anti-reflective film layer and face, image side plates optical film.

The following example and measured spectrogram is please refer to, more to understand the optical characteristics of optical lens of the present invention and optical mirror slip thereof at this.It is the light source that a wide wave zone is set in the thing side of optical lens and optical mirror slip thereof at spectrogram of this display, the incident light of wide wave zone is provided, and detect, analyze the spectrum at the rear, face, image side of optical lens and optical mirror slip thereof, so that the optical characteristics of optical lens of the present invention and optical mirror slip thereof to be exemplarily described, method, environment, material or other contextual factor be so not limited thereto, same optical lens or the spectrogram of optical mirror slip may be detected according to it, analyzing and change.Secondly, it is noted that, in order to the complete optical characteristics presenting optical lens of the present invention and optical mirror slip thereof, embodiment herein all sequentially provides only thing side, only face, image side and thing side and face, image side all to apply the spectrogram of the optical mirror slip of wherein said rete, but only thing side or only face, image side apply rete and optical mirror slip that another side does not apply any rete is not optical mirror slip alleged in this technical field, only be also not used to limit the present invention for illustrating at this.In addition, in order to provide the comparison of effect of each embodiment, the data of following embodiment are obtain with the optical mirror slip of identical appearance, combination, material and optical lens, and to reduce the variation between each embodiment, but the present invention is not limited to this.Please refer to Fig. 8, it shows the structural representation of the optical lens of exemplary use in the examples below.As shown in FIG., the optical lens selected at this is made up of five optical mirror slips 10,20,30,40,50, photosensory assembly cover glass 80 and a photosensory assembly 90.The E48R plastic material that optical mirror slip 10,20,30,40,50 is all produced using ZEONEX company is as main body, it forms respectively two surfaces 11,12,21,22,31,32,41,42,51,52, wherein compared with the surface 11,21,31,41,51 towards thing side referred to here as " thing side ", and compared with the surface 12,22,32,42,52 towards image side referred to here as " face, image side ".In embodiments, this little thing side and/or face, image side form plural layer optical film 70 with vacuum evaporation in skill, and right the present invention is not limited to this.Optical film 70 is by the multi-layer film structure with one first materials optical rete (not shown) of different refractivity and one second materials optical rete (not shown) storehouse each other.Optical film 70 as used herein stacked manner is along a direction storehouse by plural first materials optical rete and plural second materials optical rete, and make, between two layer of first adjacent materials optical rete, there is one second materials optical rete, first materials optical rete has a first refractive rate higher than the refractive index of main body, and the second materials optical rete has second refractive index lower than the refractive index of main body.Incident light (not shown), after aperture 60 enters optical lens, can sequentially carry out reflecting and enter photosensory assembly 90, make photosensory assembly 90 sense an image in optical mirror slip 10,20,30,40,50.The experimental data that following examples provide this little optical mirror slip 10,20,30,40,50 provable and on optical film 70 to add up its impact on incident light optical characteristic, and reduce the penetrating value dropping on the incident light in Infrared wavelength interval, avoid a large amount of infrared rays enter photosensory assembly 90 and affect the quality of image.

< first embodiment >

First please refer to Fig. 9 to Figure 14, its display is according to the spectrogram of the first embodiment of the present invention, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens are form 6 layers of optical film thereon, and the gross thickness of these 6 layers of optical films is between 500 to 600 nanometers.Optical mirror slip is all that the E48R plastic material produced using ZEONEX company is as main body as used herein, in its at least one surface (i.e. at least one in thing side and face, image side) with on vacuum evaporation skill storehouse altogether the first materials optical rete of different refractivity of 6 layers and the mode of the second materials optical rete prepare, select Ti at this ₃o ₅material makes the first materials optical rete, and SiO ₂material makes the second materials optical rete.About the thickness of each first materials optical rete and the second materials optical rete and the gross thickness on a surface of the optical mirror slip selected by the present embodiment, please refer to following two tables:

The number of plies

Ground floor

The second layer

Third layer

4th layer

Layer 5

Layer 6

Material

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Physical thickness (nm)

14.83

33.66

120.25

180.77

111.97

90.59

It is noted that, the number of plies near optical lens surface is referred at this " ground floor ", " second layer " refers to time number of plies of close optical lens surface, and the rest may be inferred for other, and embodiment form afterwards is also describe " ground floor ", " second layer " in this way ... Deng.

As can be seen from aforementioned table, it is adjacent that the present embodiment controls one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest, making the optical film of other layer of Thickness Ratio of the optical film of ground floor and the second layer all come thin, there is the situation of ripple in the spectrogram curve that adjustment thickness like this effectively can reduce the optical mirror slip/optical lens of the present embodiment.

Fig. 9 shows the spectrogram that monolithic optical eyeglass only forms 6 layers of optical film on its thing side, and Figure 10 shows the spectrogram that monolithic optical eyeglass only forms 6 layers of optical film on its face, image side.Can find out the incident light of wavelength between 500 to 1300 nanometers from Fig. 9 and Figure 10, one minimum value of penetrance drops on the interval of wavelength 900 to 1250 nanometer, and for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 80%.

Figure 11 shows the spectrogram that one side (namely thing side and face, image side is arbitrary) forms the monolithic optical eyeglass of 6 layers of optical film and all forms comparing of the spectrogram of the monolithic optical eyeglass of 6 layers of optical film with two-sided (i.e. thing side and face, image side), and Figure 12 is for the partial enlarged drawing of spectrum shown in Figure 11 in the interval of wavelength 850 to 1300 nanometer.Be represent the two-sided spectrum all forming the monolithic optical eyeglass of 6 layers of optical film with thick black line in figure, and represent that only one side forms the spectrum of the monolithic optical eyeglass of 6 layers of optical film with thin black line.Although obviously can find out that from figure the monolithic optical eyeglass that one side forms 6 layers of optical film does not have aforementioned a.b.c. tri-dot characteristics concurrently, but the two-sided monolithic optical eyeglass being all the formed with 6 layers of optical film monolithic optical eyeglass that more only one side is formed with 6 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, more make wavelength more reduce between the penetrance of the incident light of 900 to 1250 nanometers, and between the penetrance of the incident light of 450 to 650 nanometers, higher level is maintained for wavelength.

When wavelength is between 850 to 1300 nanometer, wavelength and the penetrance correlation values following three of the monolithic optical eyeglass spectrum of two-sided all formation 6 layers of optical film are shown:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	70.1	62.4	55.6	49.8	45.1	41.1

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	38.1	35.8	34.1	32.7	31.7	31.1

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	30.7	30.6	30.6	30.9	31.4	31.5	31.6

Figure 13 shows one is made up of the optical lens of optical mirror slip group spectrogram five optical mirror slips, and Figure 14 is for the partial enlarged drawing of spectrum shown in Figure 13 in the interval of wavelength 850 to 1300 nanometer.In this little optical mirror slip group, the optical mirror slip used be all the main body made in the E48R material of producing with ZEONEX company (refractive index 1.533) two-sided (namely two is surperficial, as: thing side and face, image side) on 6 floor height refractive optical rete (Ti of tabular aforementioned on vacuum evaporation storehouse ₃o ₅) and low-refraction optical film (SiO ₂) mode prepare.Represent with thin black line 131 spectrum using monolithic optical eyeglass in figure, the spectrum using two panels optical mirror slip composition is represented with thin black line 132, the spectrum of use three optical mirror slip compositions is represented with thin black line 133, represent the spectrum of use four optical mirror slip compositions with thin black line 134, represent the spectrum of the optical lens of use five optical mirror slip composition optical mirror slip groups with thick black line 135.Obviously can find out that from figure optical mirror slip group is with five two-sided optical mirror slip makers-ups being all formed with 6 layers of optical film, show more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 10% between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance, detailed numerical value please refer to down three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	16.9112	9.4801	5.3009	3.0646	1.8527	1.1846

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.8051	0.5878	0.4549	0.3719	0.3201	0.2888

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.2721	0.2665	0.2705	0.2833	0.3052	0.3567	0.3942

< second embodiment >

Separately please refer to Figure 15 to Figure 20, its display is according to the spectrogram of the second embodiment of the present invention, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens are form 8 layers of optical film thereon, and the gross thickness of these 8 layers of optical films is between 601 to 900 nanometers.Optical mirror slip is all the main body of the E48R material (refractive index 1.533) of producing with ZEONEX company as used herein, so that on vacuum evaporation storehouse, altogether prepared by the first materials optical rete of 8 layers and the mode of the second materials optical rete in its at least one surface (i.e. at least one in thing side and face, image side).In this manual in order to each embodiment is integrated to provide a comparative result, be select identical Ti at this ₃o ₅with SiO ₂material makes the first materials optical rete and the second materials optical rete to make optical mirror slip, therefore need not limit the present invention.About thickness and the gross thickness of the optical mirror slip selected by the present embodiment each first materials optical rete and second materials optical rete on its thing side and face, image side, please refer to following two tables:

The number of plies

Ground floor

The second layer

Third layer

4th layer

Layer 5

Layer 6

Layer 7

8th layer

Material

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Physical thickness (nm)

13.13

35.2

117.92

178.17

110.95

178.29

109.75

88.52

Figure 15 shows the spectrogram that monolithic optical eyeglass only forms 8 layers of optical film on its thing side, and Figure 16 shows the spectrogram that monolithic optical eyeglass only forms 8 layers of optical film on its face, image side.Can find out for the incident light of wavelength between 500 to 1300 nanometers from Figure 15 and Figure 16, one minimum value of penetrance drops on the interval of wavelength 900 to 1250 nanometer, and the penetrance in the interval of wavelength 900 to 1250 nanometer is for being not more than 50%, simultaneously for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 90%.

Figure 17 shows one side (namely thing side and face, image side is arbitrary) and forms the spectrogram of the monolithic optical eyeglass of 8 layers of optical film and two-sided (i.e. two surfaces, as: thing side and face, image side) all form comparing of the spectrogram of the monolithic optical eyeglass of 8 layers of optical film, Figure 18 is for the partial enlarged drawing of spectrum shown in Figure 17 in the interval of wavelength 850 to 1300 nanometer.Be represent the two-sided spectrum all forming the monolithic optical eyeglass of 8 layers of optical film with thick black line in figure, and represent that only one side forms the spectrum of the monolithic optical eyeglass of 8 layers of optical film with thin black line.Obviously can find out that from figure the monolithic optical eyeglass that one side forms 8 layers of optical film has had aforementioned a.b.c. tri-dot characteristics, therefore the another side of optical mirror slip optionally forms anti-reflective film layer, optical film or other rete, secondly, the two-sided monolithic optical eyeglass being all the formed with 8 layers of optical film monolithic optical eyeglass that more only one side is formed with 8 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to reduce between the penetrance of the incident light of 900 to 1250 nanometers, and between the penetrance of the incident light of 450 to 650 nanometers, higher level is maintained for wavelength.

When wavelength is between 850 to 1300 nanometer, wavelength and the penetrance correlation values following three of the monolithic optical eyeglass spectrogram of two-sided all formation 8 layers of optical film are shown:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	50.3	37.6	28.8	22.9	19.1	16.5

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	14.8	13.8	13.2	13.1	13.2	13.6

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	14.3	15.3	16.6	18.3	20.4	22.6	25.1

Figure 19 display is with the spectrogram of the optical lens of five optical mirror slip composition optical mirror slip groups, and Figure 20 is for the partial enlarged drawing of spectrum shown in Figure 19 in the interval of wavelength 850 to 1300 nanometer.Optical mirror slip is all the E48R material (refractive index 1.533) of producing based on ZEONEX company as used herein, with 8 floor height refractive optical rete (Ti of tabular aforementioned on vacuum evaporation storehouse on its two-sided (i.e. thing side and face, image side) ₃o ₅) and low-refraction optical film (SiO ₂) mode make.Represent with thin black line 191 spectrum using monolithic optical eyeglass composition in figure, the spectrum using two panels optical mirror slip composition is represented with thin black line 192, the spectrum of use three optical mirror slip compositions is represented with thin black line 193, represent the spectrum of use four optical mirror slip compositions with thin black line 194, represent the spectrum of use five optical mirror slip compositions with thick black line 195.Can obviously find out with five two-sided optical mirror slip makers-ups being all formed with 8 layers of optical film from figure, show more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 0.2% between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance, detailed numerical value please refer to down three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	3.2039	0.7506	0.1972	0.0634	0.0251	0.0121

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.0071	0.0049	0.0041	0.0038	0.0039	0.0046

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.0059	0.0083	0.0126	0.0203	0.0349	0.0672	0.1155

< the 3rd embodiment >

Separately please refer to Figure 21 to Figure 26, its display is according to the spectrogram of the third embodiment of the present invention, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens are form 12 layers of optical film thereon, and the gross thickness of these 12 layers of optical films is between 1201 to 1550 nanometers.More specifically, optical mirror slip is all the main body of the E48R material (refractive index 1.533) of producing with ZEONEX company as used herein, with the high index of refraction optical film (Ti of 12 layers altogether on vacuum evaporation storehouse in its at least one surface (i.e. at least one in thing side and face, image side) ₃o ₅) and low-refraction optical film (SiO ₂) mode prepare.When being coated with optical film about the optical mirror slip selected by the present embodiment on its thing side, the thickness of its each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

When being coated with optical film about the optical mirror slip selected by the present embodiment on its face, image side, the thickness of its each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

Figure 21 display only forms the spectrogram of the monolithic optical eyeglass of 12 layers of optical film on its thing side, and Figure 22 display only forms the spectrogram of the monolithic optical eyeglass of 12 layers of optical film on its face, image side.Can find out the incident light of wavelength between 500 to 1300 nanometers from Figure 21 and Figure 22, one minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer, and the penetrance in the interval of wavelength 900 to 1250 nanometer is for being not more than 30%, simultaneously for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 90%.

Figure 23 shows the spectrogram that one side (namely thing side and face, image side is arbitrary) forms the monolithic optical eyeglass of 12 layers of optical film and all forms comparing of the spectrogram of the monolithic optical eyeglass of 12 layers of optical film with two-sided (i.e. thing side and face, image side), and Figure 24 is for the partial enlarged drawing of spectrum shown in Figure 23 in the interval of wavelength 850 to 1300 nanometer.Represent that only thing side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film with thin black line 231 in figure, thin black line 232 represents that only face, image side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film, and represents the two-sided spectrum all forming the monolithic optical eyeglass of 12 layers of optical film with thick black line 233.Obviously can find out that from figure the monolithic optical eyeglass that one side forms 12 layers of optical film has had aforementioned a.b.c. tri-dot characteristics, therefore the another side of optical mirror slip optionally forms anti-reflective film layer, optical film or other rete, secondly, the two-sided monolithic optical eyeglass being all the formed with 12 layers of optical film monolithic optical eyeglass that more only one side is formed with 12 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to reduce between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance.

When wavelength is between 850 to 1300 nanometer, wavelength and the penetrance correlation values following three of the spectrogram of the monolithic optical eyeglass of two-sided all formation 12 layers of optical film are shown:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	40.083	18.564	9.536	5.711	3.912	3.006

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	2.546	2.357	2.347	2.494	2.816	3.367

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	4.261	5.704	8.098	12.218	19.587	38.765	55.512

Figure 25 display is with the spectrogram of the optical lens of four optical mirror slip composition optical mirror slip groups, and Figure 26 is for the partial enlarged drawing of spectrum shown in Figure 25 in the interval of wavelength 850 to 1300 nanometer.Optical mirror slip is all two-sided (i.e. two surfaces of the main body of the E48R material (refractive index 1.533) of producing in ZEONEX company as used herein, as thing side and face, image side) on the first materials optical rete of 12 layers altogether on vacuum evaporation skill storehouse, as Ti ₃o ₅with the second materials optical rete, as: SiO ₂mode prepare.Represent with thin black line 251 spectrum using monolithic optical eyeglass in figure, the spectrum using two panels optical mirror slip composition is represented with thin black line 252, represent the spectrum of use three optical mirror slip compositions with thin black line 253, represent the spectrum of the optical lens of use four optical mirror slip composition optical mirror slip groups with thick black line 254.Can obviously find out with four two-sided optical mirror slip makers-ups being all formed with 12 layers of optical film from figure, show more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 0.2% between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance, correlation values please refer to following three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	2.581432	0.118763	0.008269	0.001064	0.000234	0.000082

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.000042	0.000031	0.000032	0.000039	0.000063	0.000129

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.000329	0.001059	0.004300	0.022281	0.147179	9.500000	4.010000

< the 4th embodiment >

Separately please refer to Figure 27 to Figure 36, its display is according to the spectrogram of the fourth embodiment of the present invention, with the 3rd embodiment unlike, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens are that at least one surface is formed with the optical mirror slip of 12 layers of optical film thereon, the gross thickness of 12 layers of optical film is between 1201 to 1550 nanometers, and another kind of two surfaces all form the optical mirror slip of 6 layers of anti-reflective film layer.In this case clear expression, the present embodiment spy claims the former to be first kind optical mirror slip, and the latter is Equations of The Second Kind optical mirror slip, have the optical film commonly used.First kind optical mirror slip is the E48R material (refractive index 1.533) of producing based on ZEONEX company as used herein, and at least one surface of main body with on vacuum evaporation storehouse altogether 12 layers with Ti ₃o ₅material make the first materials optical rete with SiO ₂prepared by the mode of the second materials optical rete that material makes, Equations of The Second Kind optical mirror slip is the E48R material (refractive index 1.533) of producing based on ZEONEX company as used herein, and main body two on the surface with on aforementioned vacuum evaporation mode storehouse altogether the mode of anti-reflective film layer of 6 layers prepare.About the first kind optical mirror slip selected by the present embodiment, when its thing side is coated with optical film, the thickness of each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

About the first kind optical mirror slip selected by the present embodiment, when its face, image side is coated with optical film, the thickness of each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

About the Equations of The Second Kind optical mirror slip selected by the present embodiment, when two are coated with 6 layers of anti-reflective film layer on the surface, the thickness of each layer anti-reflective film layer and gross thickness, please refer to following two tables:

The number of plies

Ground floor

The second layer

Third layer

4th layer

Layer 5

Layer 6

Material

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Ti 3O 5

SiO 2

Physical thickness (nm)

14.79

38.2

46.43

23.43

34.39

107.97

Being compared as follows of all types of first kind optical mirror slips: Figure 27 is shown to the spectrogram of the monolithic first kind optical mirror slip only forming 12 layers of optical film on its thing side, Figure 28 display only forms the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film on its face, image side.Can find out the incident light of wavelength between 500 to 1300 nanometers from Figure 27 and Figure 28, one minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer, and the penetrance in the interval of wavelength 900 to 1250 nanometer is for being not more than 30%, simultaneously for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 90%.Figure 29 shows the spectrogram that single side forms the monolithic first kind optical mirror slip of 12 layers of optical film and all forms comparing of the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film with two surfaces, and Figure 30 is for the partial enlarged drawing of spectrum shown in Figure 29 in the interval of wavelength 850 to 1300 nanometer.Represent that only thing side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film with thin black line 291 in figure, thin black line 292 represents that only face, image side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film, and represents the two-sided spectrum all forming the monolithic optical eyeglass of 12 layers of optical film with thick black line 293.Obviously can find out that from figure the monolithic optical eyeglass that one side forms 8 layers of optical film has had aforementioned a.b.c. tri-dot characteristics, therefore the another side of optical mirror slip optionally forms anti-reflective film layer, optical film or other rete, secondly, the two-sided monolithic optical eyeglass being all the formed with 12 layers of optical film monolithic optical eyeglass that more only one side is formed with 12 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to reduce between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance

When wavelength is between 850 to 1300 nanometer, wavelength and the penetrance correlation values following three of the spectrogram of the monolithic optical eyeglass of two-sided all formation 12 layers of optical film are shown:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	40.083	18.564	9.536	5.711	3.912	3.006

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	2.546	2.357	2.347	2.494	2.816	3.367

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	4.261	5.704	8.098	12.218	19.587	38.765	55.512

Show for Equations of The Second Kind optical mirror slip: Figure 31 the spectrogram that two surfaces all form the monolithic Equations of The Second Kind optical mirror slip of 6 layers of anti-reflective film layer, Figure 32 is for the partial enlarged drawing of spectrum shown in Figure 31 in the interval of wavelength 850 to 1300 nanometer.When wavelength is between 850 ~ 1300nm, two-sided (i.e. two surfaces, as thing side and face, image side) all forms the wavelength of the spectrogram of the monolithic Equations of The Second Kind optical mirror slip of 6 layers of anti-reflective film layer and penetrance correlation values following three is shown:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	96.273903	94.903741	93.428992	91.914006	90.380883	88.863557

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	87.387577	85.999609	84.680712	83.438789	82.278242	81.200766

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	80.206031	79.292244	78.456591	77.695583	77.005322	76.536825	74.923047

As can be seen from Figure 31, all form the monolithic Equations of The Second Kind optical mirror slip of 6 layers of anti-reflective film layer to the incident light of wavelength between 450 to 650 nanometers, its penetrance is higher than 80%, and known anti-reflective film layer provides higher penetrability for visible ray part.

Secondly, with the 3rd embodiment unlike, the optical lens that the present embodiment uses uses with the first kind optical mirror slip being all formed with 12 layers of optical film on its thing side and face, image side, and on its thing side and face, image side, be all formed with the Equations of The Second Kind optical mirror slip composition optical mirror slip group of 6 layers of anti-reflective film layer, when increasing the eyeglass number in optical mirror slip group, first three sheet all selects the first kind optical mirror slip being all formed with 12 layers of optical film on its thing side and face, image side, and the Equations of The Second Kind optical mirror slip being all formed with 6 layers of anti-reflective film layer on its thing side and face, image side is selected the 4th time.It is noted that, Equations of The Second Kind optical mirror slip is the optical mirror slip commonly used.Figure 33 display is with the spectrogram of the optical lens of four optical mirror slip composition optical mirror slip groups, and Figure 34 is for the partial enlarged drawing of spectrum shown in Figure 33 in the interval of wavelength 850 to 1300 nanometer.Represent with thin black line 331 spectrum using monolithic first kind optical mirror slip in figure, the spectrum using two panels first kind optical mirror slip composition is represented with thin black line 332, represent the spectrum of use three first kind optical mirror slip compositions with thin black line 333, represent that use three first kind optical mirror slips and a slice Equations of The Second Kind optical mirror slip form the spectrum of the optical lens of optical mirror slip group with thick black line 334.Obviously can find out from figure and two-sidedly all be formed with 12 layers of optical film and the two-sided optical mirror slip makers-up being all formed with 6 layers of anti-reflective film layer of a slice with three, namely the quantity of optical mirror slip is four, wherein at least one is formed with the aspect of plural layer anti-reflective film layer on the surface two, show comparatively excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 0.6% between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance, correlation values please refer to following three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	6.20114	0.607226	0.08102	0.017126	0.005413	0.002413

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.001441	0.001126	0.001094	0.001294	0.001836	0.003099

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.006199	0.014709	0.041637	0.14161	0.578273	3.647753	11.25463

< the 5th embodiment >

Separately please refer to Figure 35 to Figure 43, its display is according to the spectrogram of the fifth embodiment of the present invention, with the 4th embodiment unlike, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens be thereon at least one surface formed 12 layers of optical film optical mirror slip, with form 12 layers of optical film in surface thereof and another surface forms the optical mirror slip of 6 layers of anti-reflective film layer, the gross thickness of 12 layers of optical film is between 1201 to 1550 nanometers.In this case clear expression, the present embodiment spy claims aforementioned optical eyeglass to be first kind optical mirror slip, and the latter is the 3rd class optical mirror slip.As used herein first kind optical mirror slip be the E48R material (refractive index 1.533) of producing using ZEONEX company as body, and in its at least one surface (i.e. at least one in thing side and face, image side) with on vacuum evaporation storehouse altogether 12 layers with Ti ₃o ₅make the first materials optical rete with SiO ₂prepared by the mode of the second materials optical rete made.As used herein the 3rd class optical mirror slip be the E48R material (refractive index 1.533) of producing using ZEONEX company as body, and in surface thereof (i.e. the wherein one in thing side and face, image side) with on vacuum evaporation storehouse altogether 12 layers with Ti ₃o ₅make the first materials optical rete with SiO ₂the the second materials optical rete made, and another surface with on vacuum evaporation storehouse altogether the mode of anti-reflective film layer of 6 layers prepare.When the first kind optical mirror slip selected by the present embodiment is coated with 12 layers of optical film on its thing side, the thickness of each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

When the first kind optical mirror slip selected by the present embodiment is coated with 12 layers of optical film on its face, image side, the thickness of each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

About the 3rd class optical mirror slip selected by the present embodiment, when its thing side is coated with 12 layers of optical film, the thickness of each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

About the 3rd class optical mirror slip selected by the present embodiment, when its face, image side is coated with 6 layers of anti-reflective film layer, the thickness of each layer and gross thickness, please refer to following two tables:

Compare with the monolithic first kind optical mirror slip of each kenel, Figure 35 display only forms the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film on its thing side, and Figure 36 display only forms the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film on its face, image side.Can find out the incident light of wavelength between 500 to 1300 nanometers from Figure 35 and Figure 36, one minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer, and the penetrance in this interval is for being not more than 30%, simultaneously for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 90%.Figure 37 shows one side (i.e. single surface, arbitrary as: thing side and face, image side) form the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film and two-sided (i.e. two surfaces, as: thing side and face, image side) all form comparing of the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film, Figure 38 is for the partial enlarged drawing of spectrum shown in Figure 37 in the interval of wavelength 850 to 1300 nanometer.Represent that only thing side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film with thin black line 371 in these two figure, thin black line 372 represents that only face, image side forms the spectrum of the monolithic optical eyeglass of 12 layers of optical film, and represents the two-sided spectrum all forming the monolithic optical eyeglass of 12 layers of optical film with thick black line 373.Obviously can find out that from figure the two-sided monolithic first kind optical mirror slip being all the formed with 12 layers of optical film monolithic first kind optical mirror slip that more only one side is formed with 12 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned s.b.c. tri-dot characteristics, more make wavelength more reduce between the penetrance of the incident light of 900 to 1250 nanometers, and between the penetrance of the incident light of 450 to 650 nanometers, higher level is maintained for wavelength.

When wavelength is between 850 to 1300 nanometer, two-sided wavelength and following three tables of penetrance correlation values being all formed with the spectrogram of the monolithic first kind optical mirror slip of 12 layers of optical film:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	40.083	18.564	9.536	5.711	3.912	3.006

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	2.546	2.357	2.347	2.494	2.816	3.367

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	4.261	5.704	8.098	12.218	19.587	38.765	55.512

On the other hand, about the 3rd class optical mirror slip, Figure 39 shows the spectrogram that only thing side forms monolithic the 3rd class optical mirror slip of 12 layers of optical film, Figure 40 shows the spectrogram that only face, image side forms monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer, and the spectrogram that Figure 41 shows Figure 39 and Figure 40 display forms 12 layers of optical film with thing side and face, image side forms comparing of the spectrogram of monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer.Be represent that only thing side forms the spectrum of monolithic the 3rd class optical mirror slip of 12 layers of optical film with thin black line 411 in Figure 41, the 42nd figure is for the partial enlarged drawing of spectrum shown in Figure 41 in the interval of wavelength 850 to 1300 nanometer.Represent that only face, image side forms the spectrum of monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer with thin black line 412 in figure, and represent that thing side forms 12 layers of optical film and face, image side forms the spectrum of monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer with thick black line 413.When wavelength is between 850 to 1300 nanometer, thing side forms 12 layers of optical film and face, image side forms wavelength and following three tables of penetrance correlation values of the spectrogram of monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	75.868202	44.788956	24.006757	13.893367	9.034656	6.584297

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	5.308655	4.699266	4.485123	4.577695	4.965648	5.699364

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	6.900259	8.734197	11.778213	16.532625	24.156327	38.453831	52.563673

Therefore, as can be seen from the figure thing side forms 12 layers of optical film and monolithic the 3rd class optical mirror slip that face, image side forms 6 layers of anti-reflective film layer shows obvious infrared ray light-filtering characteristic.

Secondly, with the 4th embodiment unlike, optical lens is the first kind optical mirror slip to be all formed with 12 layers of optical film on its thing side and face, image side as used herein, and on its thing side, forms 12 layers of optical film and on its face, image side, form the 3rd class optical mirror slip composition optical mirror slip group of 6 layers of anti-reflective film layer.It is noted that, below test when increasing the optical mirror slip number of optical frames head group, front two panels optical mirror slip is the first kind optical mirror slip selecting aforementioned state, and then two panels optical mirror slip is select preceding side to form 12 layers of optical film and face, image side forms the 3rd class optical mirror slip of the kenel of 6 layers of anti-reflective film layer.Figure 43 display is with the spectrogram of the optical lens of four optical mirror slip composition optical mirror slip groups, and Figure 44 is for the partial enlarged drawing of spectrum shown in Figure 43 in the interval of wavelength 850 to 1300 nanometer.Represent with thin black line 431 spectrum using monolithic first kind optical mirror slip composition in figure, the spectrum using two panels first kind optical mirror slip composition is represented with thin black line 432, represent the spectrum using two panels first kind optical mirror slip and a slice the 3rd class optical mirror slip to form with thin black line 433, represent the spectrum using two panels first kind optical mirror slip and two panels the 3rd class optical mirror slip to form the optical lens of optical mirror slip group with thick black line 444.Obviously can find out from figure and form with two-sided 12 layers of optical film and the two panels thing side of being all formed with of two panels the optical mirror slip makers-up that 12 layers of optical film and face, image side form 6 layers of anti-reflective film layer, show more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 0.3% between the penetrance of the incident light of 900 to 1250 nanometers, and for wavelength between 450 to 650 nanometers incident light maintain higher than 80% penetrance, detailed numerical value please refer to following three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	9.248044	0.691325	0.052406	0.006297	0.001249	0.000392

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.000183	0.000123	0.000111	0.000131	0.000196	0.000368

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.000864	0.002516	0.009097	0.040799	0.223864	1.536483	8.364383

< the 6th embodiment >

Separately please refer to Figure 45 to Figure 50, its display is according to the spectrogram of the sixth embodiment of the present invention, the optical mirror slip of the present embodiment or the optical mirror slip selected by optical lens are form 14 layers of optical film thereon, and the gross thickness of these 14 layers of optical films is between 1551 to 1900 nanometers.Optical mirror slip is all the main body of the E48R material (refractive index 1.533) of producing with ZEONEX company as used herein, in its at least one surface (i.e. at least one in thing side and face, image side) with vacuum evaporation along on a direction storehouse altogether 14 layers with Ti ₃o ₅make the first materials optical rete with SiO ₂prepared by the mode of the second materials optical rete made.When the optical mirror slip selected by the present embodiment forms optical film on its thing side, the thickness of its each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

When the optical mirror slip selected by the present embodiment forms optical film on its face, image side, the thickness of its each first materials optical rete and the second materials optical rete and gross thickness, please refer to following two tables:

Figure 45 display only forms the spectrogram of the monolithic optical eyeglass of 14 layers of optical film on its thing side, and Figure 46 display only forms the spectrogram of the monolithic optical eyeglass of 14 layers of optical film on its face, image side.Can find out the incident light of wavelength between 500 to 1300 nanometers from Figure 45 and Figure 46, one minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer, and for the incident light of wavelength between 450 to 650 nanometers, penetrance can maintain more than 80%.

Figure 47 shows one side (i.e. single surface, arbitrary as: thing side and face, image side) form the spectrogram of the monolithic optical eyeglass of 14 layers of optical film and two-sided (i.e. two surfaces, as: thing side and face, image side) all form comparing of the spectrogram of the monolithic optical eyeglass of 14 layers of optical film, Figure 48 is for the partial enlarged drawing of spectrum shown in Figure 47 in the interval of wavelength 850 to 1300 nanometer.Represent that only thing side forms the spectrum of the monolithic optical eyeglass of 14 layers of optical film with thin black line 471 in figure, thin black line 472 represents that only face, image side forms the spectrum of the monolithic optical eyeglass of 14 layers of optical film, and represents the two-sided spectrum all forming the monolithic optical eyeglass of 14 layers of optical film with thick black line 473.Obviously can find out that from figure the two-sided monolithic optical eyeglass being all the formed with 14 layers of optical film monolithic optical eyeglass that more only one side is formed with 14 layers of optical film shows more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, more make wavelength more reduce between the penetrance of the incident light of 900 to 1250 nanometers, and between the penetrance of the incident light of 450 to 650 nanometers, more than 80% is maintained for wavelength.

When wavelength is between 850 to 1300 nanometer, two-sided wavelength and following three tables of penetrance correlation values being all formed with the spectrogram of the monolithic optical eyeglass of 14 layers of optical film:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	27.68	9.64	4.21	2.32	1.52	1.16

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	1.01	0.97	1.03	1.19	1.49	2.03

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	3.02	4.94	9.01	18.54	40.95	72.64	71.55

Figure 49 display is with the spectrogram of the optical lens of three optical mirror slip composition optical mirror slip groups, and Figure 50 is for the partial enlarged drawing of spectrum shown in Figure 49 in the interval of wavelength 850 to 1300 nanometer.Optical mirror slip is all the main body of the E48R material (refractive index 1.533) of producing with ZEONEX company as used herein, it is two-sided on (i.e. two surfaces, as: thing side and face, image side) with vacuum evaporation along on a direction storehouse altogether 14 layers with Ti ₃o ₅the the first materials optical rete made with SiO ₂prepared by the mode of the second materials optical rete made.Be represent with thin black line 491 spectrum using monolithic optical eyeglass in figure, represent the spectrum using two panels optical mirror slip composition with thin black line 492, represent the spectrum of the optical lens of use three optical mirror slip composition optical mirror slip groups with thick black line 493.Obviously can find out that from figure optical mirror slip group is with three two-sided optical mirror slip makers-ups being all formed with 14 layers of optical film, show more excellent infrared ray light-filtering characteristic, not only there is aforementioned a.b.c. tri-dot characteristics, wavelength is more made more to be reduced to less than 0.7% between the penetrance of the incident light of 900 to 1250 nanometers, and between the penetrance of the incident light of 450 to 650 nanometers, more than 80% is maintained for wavelength, detailed data please refer to following three tables:

Wavelength (nm)	850	875	900	925	950	975
							Penetrance (%)	2.121334	0.089718	0.007471	0.001241	0.000354	0.000157

Wavelength (nm)	1000	1025	1050	1075	1100	1125
							Penetrance (%)	0.000101	0.000091	0.000109	0.000109	0.000168	0.000331

Wavelength (nm)	1150	1175	1200	1225	1250	1275	1300
								Penetrance (%)	0.000838	0.002752	0.012051	0.073258	0.636851	6.867583	38.527615

Therefore, the spectrum provided from the various embodiments described above, when wavelength is in the interval of 850 to 1300 nanometers, the thing side of each embodiment arranges as follows with the wavelength of spectrogram of monolithic optical eyeglass face, image side all being formed optical film/anti-reflective film layer with the form that compares of penetrance numerical value:

(a) optical mirror slip:

Data are known from the graph:

1. the penetrance minimum value 30.6% all forming the monolithic optical eyeglass of 6 layers of optical film in thing side and face, image side of the first embodiment drops on wavelength 1175 nanometer.

2. the penetrance minimum value 13.1% all forming the monolithic optical eyeglass of 8 layers of optical film in thing side and face, image side of the second embodiment drops on wavelength 1075 nanometer.

3. the 3rd embodiment monolithic all forms the penetrance minimum value 2.347% of the optical mirror slip of 12 layers of optical film in thing side and face, image side is drop on wavelength 1050 nanometer.

4. the 4th embodiment all forms the penetrance minimum value 2.347% of the monolithic optical eyeglass of 12 layers of optical film in thing side and face, image side is drop on wavelength 1050 nanometer, and the penetrance minimum value 74.923047% all forming the known Equations of The Second Kind optical mirror slip of monolithic of 6 layers of anti-reflective film layer in thing side and face, image side drops on wavelength 1300 nanometer.

5. the 5th embodiment all forms the penetrance minimum value 2.347% of the monolithic first kind optical mirror slip of 12 layers of optical film in thing side and face, image side is drop on wavelength 1050 nanometer, forms 12 layers of optical film and the penetrance minimum value 4.485123% that face, image side forms monolithic the 3rd class optical mirror slip of 6 layers of anti-reflective film layer drops on wavelength 1050 nanometer in thing side.

6. the 5th embodiment forms 12 layers of optical film in thing side and the penetrance minimum value 4.485123% that face, image side forms the monolithic optical eyeglass of 6 layers of anti-reflective film layer drops on wavelength 1050 nanometer.

7. the 6th embodiment all forms the penetrance minimum value 0.97% of the monolithic optical eyeglass of 14 layers of optical film in thing side and face, image side is drop on wavelength 1025 nanometer.

8. to sum up, when can infer that monolithic optical eyeglass is coated with optical film of the present invention, penetrance minimum value can drop on the interval when wavelength 900 to 1250 nanometer, and when wavelength is between 900 to 1250 nanometers interval, penetrance numerical value can be not more than 60%.

On the other hand, for the optical lens of each embodiment provided by the invention, wavelength between 850 to 1300 nanometer time spectrogram penetrance numerical value and the optical lens of the known practice be compared as follows table:

(b) optical lens:

Tradition is used to the optical lens of infrared filter and five optical mirror slip matched combined, between wavelength 900 to 1250 nanometer, penetrance numerical value is not more than 1%, and the optical lens that the present invention has the optical mirror slip composition of multilayer optical rete/anti-reflective film layer also can reach in the interval of wavelength 900 to 1250 nanometer, penetrance numerical value is not more than effect of 1%, although in a first embodiment, when the penetrance numerical value of wavelength between 900 to 1000 nanometers is greater than 1%, but the product of general low order to accept the penetrance that penetrance is not more than 10%, therefore be can be used on the optical lens Related product of low order.

On the other hand, the second embodiment shows to the numerical value of the 6th embodiment, and between wavelength 900 to 950 nanometer, penetrance is far below less than 1%, is even low to moderate 0.01%, therefore in the effect of filtering infrared ray wave band, is far better more than traditional practice.

Therefore, from upper table data:

1. the penetrance minimum value of optical lens that the first embodiment forms with five optical mirror slips (two-sided all 6 layers of optical films) is 0.2665%, it betides wavelength 1175 nanometer, and wavelength is between 5.3009 to 0.3052% between the penetrance of 900 to 1250 nanometers.

2. the penetrance minimum value of optical lens that the second embodiment forms with five optical mirror slips (two-sided all 8 layers of optical films) is 0.0038%, it betides wavelength 1075 nanometer, and wavelength is between 0.1972 to 0.0349% between the penetrance of 900 to 1250 nanometers.

3. the penetrance minimum value of optical lens that the 3rd embodiment forms with four optical mirror slips (two-sided all 12 layers of optical films) is 0.000031%, it betides wavelength 1025 nanometer, and the penetrance of wavelength between 900 to 1250 nanometers is between 0.008269 to 0.147179%.

4. the 4th embodiment is 0.001094% with the penetrance minimum value that three are commonly used at optical mirror slip (two-sided all 12 layers of optical films) and a slice the optical lens that optical mirror slip (two-sided all 6 layers of anti-reflective film layer) forms, it betides wavelength 1050 nanometer, and the penetrance of wavelength between 900 to 1250 nanometers is between 0.081021 to 0.578273%.

5. the penetrance minimum value of optical lens that the 5th embodiment forms with two optical mirror slips (two-sided all 12 layers of optical films) and two optical mirror slips (12 layers, thing side optical film, 6 layers, face, image side AR film) is 0.000111%, it betides wavelength 1050 nanometer, and the penetrance of wavelength between 900 to 1250 nanometers is between 0.052406 to 0.223864%.

6. the 6th embodiment is 0.000091% with the penetrance minimum value of three optical mirror slips (two-sided all 14 layers of optical films), it betides the scope of wavelength 1025 nanometer, and the penetrance of wavelength between 900 to 1250 nanometers is between 0.007471 to 0.636851%.

7. to sum up, when can infer that optical lens is coated with optical film of the present invention, penetrance minimum value can drop on the interval of wavelength between 900 to 1250 nanometers, and when wavelength is between 900 to 1250 nanometers interval, penetrance numerical value can be not more than 6%.

Can learn when the multilayer optical rete on optical mirror slip total number of plies the more, gross thickness thicker time, the penetrance of the incident light of infrared ray wave band can be forced down, the effect of filtering infrared ray wave band so can be allowed more to show, and make the optical lens of composition for filtering the effect of infrared ray wave band better.

In addition, for the incident light of wavelength between 450 to 650 nanometers, the optical mirror slip of foregoing embodiments and optical lens all can provide the penetrance higher than 80%, concerning the optical mirror slip of some embodiments and optical lens, as: the optical mirror slip of the first embodiment, even can maintain the penetrance of more than 90%, therefore really can maintain the good permeability of visible light wave range.

It is event, can learn from above-mentioned, optical lens of the present invention and its optical mirror slip are by the stack architecture of the optical film formed on the thing side of optical mirror slip and on face, image side, the optical characteristics of its filtration infrared ray band spectrum cumulative, really optical mirror slip of the present invention can be made to meet following condition: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, penetrance is for being not more than 60%; And c. is to the incident light of wavelength between 450 to 650 nanometers, penetrance is higher than 80%, and making optical lens of the present invention meet following condition: a. is to the incident light of wavelength between 500 to 1300 nanometers, and the pass of the wavelength of its penetrance and incident light is a minimum value of penetrance is drop on the interval of wavelength 900 to 1250 nanometer; B. to the incident light of wavelength between 900 to 1250 nanometers, penetrance is for being not more than 10%; And c. is to the incident light of wavelength between 450 to 650 nanometers, penetrance is higher than 80%.The image sensor that so can reduce optical lens is subject to the impact of infrared ray band spectrum, to avoid affecting the quality of image, and can omit the demand using an extra infrared filter in known techniques, reach the advantage reducing Image lens entire length.

More than describe according to the multiple different embodiment of the present invention, wherein various features can single or different combination enforcement.Therefore, the exposure of embodiment of the present invention, for illustrating the specific embodiment of principle of the present invention, should be regardless of limit the present invention in disclosed embodiment.Further illustrate, previously to have described and accompanying drawing is only the present invention and demonstrates use, do not limit by its limit.The change of other assembly or combination all possibilities, and be not contrary in spirit of the present invention and scope.

[primary clustering symbol description]

1 traditional optical camera lens 10,20,30,40,50 optical mirror slip

11,12,21,22,31,32,41,42,51,52 surfaces

101,102,103,111,112,113,131,132,133,134,135,191,192,193,194,195,231,232,233,251,252,253,254,291,292,293,331,332,333,334,371,372,373,431,432,433,434,471,472,473,491,492,493 black lines

60 aperture 70 optical films

80 photosensory assembly cover glass 90 photosensory assemblies

100 infrared filters

Claims (11)

1. an optical mirror slip, comprising:

One main body, have a refractive index and two surfaces, in those surfaces, at least one surface has one in bending curved face part, and at least one surface on those surfaces is formed with plural layer optical film;

It is characterized in that, those optical films have plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, those the first materials optical retes have a first refractive rate higher than the refractive index of this main body, and those the second materials optical retes have second refractive index lower than the refractive index of this main body, one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest is adjacent, one total number of plies of those optical films on each surface is no more than 20 layers, and a gross thickness of those optical films on each surface is for being not less than 400 nanometers and being not more than 2000 nanometers, this optical mirror slip has following properties by this:

A. to the incident light of wavelength between 500 to 1300 nanometers, a minimum value of its penetrance drops on the interval of wavelength 900 to 1250 nanometer;

B. to wavelength this incident light between 900 to 1250 nanometers, its penetrance is for being not more than 60%; And

C. to wavelength this incident light between 450 to 650 nanometers, its penetrance is higher than 80%.

2. optical mirror slip as claimed in claim 1, it is characterized in that, this total number of plies of those optical films that at least one surface on those surfaces is formed is preferably and is not less than 8 layers, and no more than 16 layers.

3. optical mirror slip as claimed in claim 2, is characterized in that, one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest is adjacent.

4. optical mirror slip as claimed in claim 3, is characterized in that, the surface thereof in those surfaces of this optical mirror slip forms plural layer anti-reflective film layer, and it is higher than 80% to wavelength between the penetrance of this incident light of 450 to 650 nanometers.

5. optical mirror slip as claimed in claim 1, it is characterized in that, two surfaces of this main body are respectively formed with those optical films, and the total number of plies of those optical films on each surface is preferably and is not less than 6 layers, and no more than 16 layers.

6. optical mirror slip as claimed in claim 1, is characterized in that, the surface thereof in those surfaces of this optical mirror slip forms plural layer anti-reflective film layer, and it is higher than 80% to wavelength between the penetrance of this incident light of 450 to 650 nanometers.

7. an optical lens, comprising:

One optical mirror slip group, comprise at least three optical mirror slips positioned opposite to each other, those optical mirror slips comprise a main body respectively, this main body has a refractive index and two surfaces, in those surfaces, at least one surface has one in bending curved face part, it is characterized in that, at least one surface of each optical mirror slip all forms plural layer optical film, those optical films have plural number first materials optical rete along a direction storehouse and plural second materials optical rete, and between adjacent two layer of first materials optical rete, there is one second materials optical rete, those the first materials optical retes have a first refractive rate higher than the refractive index of this main body, and those the second materials optical retes have second refractive index lower than the refractive index of this main body, one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest is adjacent, one total number of plies of those optical films on each surface is no more than 20 layers, and a gross thickness of those optical films on each surface is for being not less than 400 nanometers and being not more than 2000 nanometers, and make this optical lens show following properties:

A. to the incident light of wavelength between 500 to 1300 nanometers, the pass of the wavelength of its penetrance and this incident light is a minimum value of this penetrance is drop on the interval of wavelength 900 to 1250 nanometer;

B. to wavelength this incident light between 900 to 1250 nanometers, its penetrance is for being not more than 10%; And

C. to wavelength this incident light between 450 to 650 nanometers, its penetrance is higher than 80%.

8. optical lens as claimed in claim 7, it is characterized in that, this total number of plies of those optical films that at least one surface on those surfaces is formed is preferably and is not less than 8 layers, and no more than 16 layers.

9. optical lens as claimed in claim 7, it is characterized in that, two surfaces of each main body are respectively formed with those optical films, and the total number of plies of those optical films on each surface is preferably and is not less than 6 layers, and no more than 16 layers.

10. optical lens as claimed in claim 7, is characterized in that, one deck that in one deck that in those the first materials optical retes in those optical films, thickness is the thinnest and those the second materials optical retes, thickness is the thinnest is adjacent.

11. optical lens as claimed in claim 7, is characterized in that, at least one of a slice optical mirror slip form plural layer anti-reflective film layer on the surface, and it is higher than 80% to wavelength between the penetrance of this incident light of 450 to 650 nanometers.