Four-piece glass-plastic hybrid lens and electronic equipment

Abstract

The utility model provides a four-piece glass-plastic hybrid lens which is composed of a diaphragm, a first lens, a second lens, a third lens, a fourth lens and a plane mirror which are sequentially arranged along the optical axis direction from the object side to the image side, the object side surface of the optical axis area of the first lens is a convex surface, the image side surface of the optical axis area of the first lens is a convex surface, and the object side surface of the optical axis area of the second lens is a convex surface. One of the first lens and the fourth lens is a glass lens, and the four-piece glass-plastic hybrid lens meets the following relational expression: f1'gt; 0, f3'lt; 0, f4'gt; 0, f5'gt; 0; 31t; 31t; f1 ' / f3'lt; 0, 1lt; f1 ' / f4'lt; 5, 0.5 lt; f ' / f12'lt; 2,-1.5 lt; f ' / f34'lt; 0.8,-1lt; f12 ' / f34'lt; 1; 0.15 lt; iH / TTLlt; 0.18, 0.18; according to the four-piece glass-plastic hybrid lens, through the arrangement of the structures and parameters of the first lens, the second lens, the third lens and the fourth lens, the temperature of the lens of the four-piece glass-plastic hybrid lens is out of tilt; therefore, the focus of the lens is stable.

Description

Technical Field

[0001] This utility model relates to the field of lens technology, and in particular to a four-element glass-plastic hybrid lens and electronic equipment. Background Technology

[0002] A glass-plastic hybrid lens is a lens made by combining glass and plastic. It typically uses up to 85% plastic and a small amount of glass to achieve a perfect combination of the optical performance of glass lenses and the lightweight and robust characteristics of plastic lenses.

[0003] Existing glass-plastic hybrid lenses experience focus drift (temperature drift) under conditions of excessively high or low temperatures, and the longer the focal length, the more prone they are to temperature drift. Utility Model Content

[0004] The purpose of this invention is to provide a 4-element glass-plastic hybrid lens to solve the problem of focus drift caused by excessively high or low temperatures in existing glass-plastic hybrid lenses.

[0005] This utility model provides a four-element glass-plastic hybrid lens, comprising an aperture stop, a first lens, a second lens, a third lens, a fourth lens, and a plane mirror arranged sequentially from the object side to the image side along the optical axis. The object side and image side of the first lens in the optical axis region are convex. One of the first lens or the fourth lens is a glass lens. The four-element glass-plastic hybrid lens satisfies the following relationship:

[0006] f1'>0, f3'<0, f4'>0, f5'>0;

[0007] -3 <f1' / f3'<0,1<f1' / f4'<5,0.5<f' / f12'<2,-1.5<f' / f34'<0.8,-1<f12' / f34'<1;

[0008] 0.15 <IH / TTL<0.18;

[0009] Wherein, f' is the focal length of the four-element glass-plastic hybrid lens, TTL is the distance between the object side and the image plane of the first lens, IH is the half-image height of the four-element glass-plastic hybrid lens, the focal lengths of the first lens to the plane mirror are f1', f2', f3', f4', and f5' respectively, f12' is the combined focal length of the first lens and the second lens, and f34' is the combined focal length of the third lens and the fourth lens.

[0010] The aforementioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first, second, third, and fourth lenses, ensures that the lens temperature drift is <1µm / 10℃, thus stabilizing the lens focus.

[0011] Furthermore, the refractive indices of both the first lens and the fourth lens are greater than 1.5.

[0012] Furthermore, the Abbe numbers of the first lens and the fourth lens are less than 85.

[0013] Furthermore, the lens temperature drift of the aforementioned 4-element glass-plastic hybrid lens is <1µm / 10℃.

[0014] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0015] 0 <SAG11 / SAG12<10;

[0016] 0.5 <SAG21 / SAG22<3;

[0017] 0.5 <SAG31 / SAG32<1;

[0018] 0.5 <SAG41 / SAG42<5;

[0019] Wherein, SAG11 is the sagitta of the object-side surface of the first lens, SAG12 is the sagitta of the image-side surface of the first lens, SAG21 is the sagitta of the object-side surface of the second lens, SAG22 is the sagitta of the image-side surface of the second lens, SAG31 is the sagitta of the object-side surface of the third lens, SAG32 is the sagitta of the image-side surface of the third lens, and SAG41 is the sagitta of the object-side surface of the fourth lens, SAG42 is the sagitta of the image-side surface of the fourth lens.

[0020] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0021] 0.5 <Y11 / Y21<1.5;

[0022] 0.5 <Y11 / Y31<1.5;

[0023] 0.8 <Y31 / Y42<1.2;

[0024] Wherein, Y11 is the maximum effective radius of the object side of the first lens, Y21 is the maximum effective radius of the object side of the second lens, Y31 is the maximum effective radius of the object side of the third lens, and Y42 is the maximum effective radius of the image side of the fourth lens.

[0025] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0026] -6 <R1 / R2<1;

[0027] 0.5 <R3 / R4<1.5;

[0028] 1 <R5 / R6<3;

[0029] -1 <R7 / R8<3;

[0030] 0 < |R1+R2 / R1-R2| < 1.5;

[0031] 5 < |R3+R4 / R3-R4| < 25;

[0032] 2<|R5+R6 / R5-R6|<5;

[0033] 0 < |R7+R8 / R7-R8| < 5;

[0034] Wherein, R1 is the radius of curvature of the object side of the first lens, R2 is the radius of curvature of the image side of the first lens, R3 is the radius of curvature of the object side of the second lens, R4 is the radius of curvature of the image side of the second lens, R5 is the radius of curvature of the object side of the third lens, R6 is the radius of curvature of the image side of the third lens, R7 is the radius of curvature of the object side of the fourth lens, and R8 is the radius of curvature of the image side of the fourth lens.

[0035] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0036] 0.4 <T12 / T34<0.8;

[0037] 1.4 <T1 / T2<1.8;

[0038] 0.5 <T3 / T4<1;

[0039] Wherein, T1 is the center thickness of the first lens, T2 is the center thickness of the second lens, T3 is the center thickness of the third lens, T4 is the center thickness of the fourth lens, T12 is the combined center thickness of the first lens and the second lens, and T34 is the combined center thickness of the third lens and the fourth lens.

[0040] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0041] 0.1 <T12 / TTL<0.2;

[0042] Wherein, T12 is the combined center thickness of the first lens and the second lens, and TTL is the distance between the object side of the first lens and the image plane.

[0043] This utility model also provides an electronic device, including a 4-element glass-plastic hybrid lens as described in any one of the above. Attached Figure Description

[0044] Figure 1 This is a schematic diagram of the structure of a 4-piece glass-plastic hybrid lens according to the first embodiment of the present invention;

[0045] Figure 2 for Figure 1 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0046] Figure 3 for Figure 1 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens;

[0047] Figure 4 for Figure 1 A function curve of relative illumination and field of view for a type of 4-element glass-plastic hybrid lens;

[0048] Figure 5 This is a schematic diagram of a 4-piece glass-plastic hybrid lens according to the second embodiment of the present invention;

[0049] Figure 6 for Figure 5 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0050] Figure 7 for Figure 5 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens;

[0051] Figure 8 for Figure 5 A function curve of relative illumination and field of view for a type of 4-element glass-plastic hybrid lens;

[0052] Figure 9 This is a schematic diagram of a 4-piece glass-plastic hybrid lens according to the third embodiment of the present invention;

[0053] Figure 10 for Figure 9 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0054] Figure 11 for Figure 9 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens;

[0055] Figure 12 for Figure 9 A function curve of relative illumination and field of view for a type of 4-element glass-plastic hybrid lens;

[0056] Figure 13 This is a schematic diagram of a 4-piece glass-plastic hybrid lens according to the fourth embodiment of the present invention;

[0057] Figure 14 forFigure 13 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0058] Figure 15 for Figure 13 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens.

[0059] Figure 16 for Figure 13 A function curve of relative illumination and field of view for a type of 4-element glass-plastic hybrid lens;

[0060] Figure 17 This is a schematic diagram of a 4-piece glass-plastic hybrid lens according to the fifth embodiment of the present invention;

[0061] Figure 18 for Figure 17 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0062] Figure 19 for Figure 17 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens.

[0063] Figure 20 for Figure 17 A function curve of relative illumination and field of view for a type of 4-element glass-plastic hybrid lens;

[0064] Figure 21 This is a schematic diagram of a 4-piece glass-plastic hybrid lens according to the sixth embodiment of the present invention;

[0065] Figure 22 for Figure 21 A polychromatic light diffraction modulation transfer function curve of a four-element glass-plastic hybrid lens;

[0066] Figure 23 for Figure 21 Field curvature and distortion diagram of a 4-piece glass-plastic hybrid lens.

[0067] Figure 24 for Figure 21 The graph shows the relative illumination and field of view of a four-element glass-plastic hybrid lens.

[0068] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0069] To facilitate understanding of this utility model, a more comprehensive description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0070] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0071] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0072] Please see Figures 1 to 4 The first embodiment of this utility model provides a four-element glass-plastic hybrid lens, comprising an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens. The four-element glass-plastic hybrid lens satisfies the following relationship:

[0073] f1'>0, f3'<0, f4'>0, f5'>0;

[0074] -3 <f1' / f3'<0,1<f1' / f4'<5,0.5<f' / f12'<2,-1.5<f' / f34'<0.8,-1<f12' / f34'<1;

[0075] 0.15 <IH / TTL<0.18;

[0076] Wherein, f' is the focal length of the four-element glass-plastic hybrid lens, TTL is the distance between the object side and the image plane of the first lens 11, IH is the half-image height of the four-element glass-plastic hybrid lens, the focal lengths of the first lens 11 to the plane mirror 15 are f1', f2', f3', f4', and f5' respectively, f12' is the combined focal length of the first lens 11 and the second lens 12, and f34' is the combined focal length of the third lens 13 and the fourth lens 14.

[0077] Specifically, in this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 1, and the aspherical parameters meet the requirements of Table 2.

[0078] Table 1

[0079]

[0080] Table 2

[0081]

[0082] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0083] Please see Figures 5 to 8 The second embodiment of this utility model provides a four-element glass-plastic hybrid lens, which consists of an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and the image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens.

[0084] Specifically, in this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 3, and the aspherical parameters meet the requirements of Table 4.

[0085] Table 3

[0086]

[0087] Table 4

[0088]

[0089] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0090] Please see Figures 9 to 12 The third embodiment of this utility model provides a four-element glass-plastic hybrid lens, which consists of an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and the image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens. In this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 5, and the aspherical parameters meet the requirements of Table 6.

[0091] Table 5

[0092]

[0093] Table 6

[0094]

[0095] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0096] Please see Figures 13 to 16 The fourth embodiment of this utility model provides a four-element glass-plastic hybrid lens, which consists of an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and the image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens. In this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 7, and the aspherical parameters meet the requirements of Table 8.

[0097] Table 7

[0098]

[0099] Table 8

[0100]

[0101]

[0102] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0103] Please see Figures 17 to 20 The fifth embodiment of this utility model provides a four-element glass-plastic hybrid lens, which consists of an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and the image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens. In this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 9, and the aspherical parameters meet the requirements of Table 10.

[0104] Table 9

[0105]

[0106] Table 10

[0107]

[0108]

[0109] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0110] Please see Figures 21 to 24 The sixth embodiment of this utility model provides a four-element glass-plastic hybrid lens, which consists of an aperture stop (STOP), a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged sequentially from the object side to the image side along the optical axis. The object side and the image side of the optical axis region of the first lens 11 are convex. One of the first lens 11 or the fourth lens 14 is a glass lens. In this embodiment, the system parameters and structural parameters of the four-element glass-plastic hybrid lens meet the requirements of Table 11, and the aspherical parameters meet the requirements of Table 12.

[0111] Table 11

[0112]

[0113] Figure 12

[0114]

[0115] The above-mentioned four-element glass-plastic hybrid lens, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1um / 10℃, thus stabilizing the lens focus.

[0116] In one embodiment of this utility model, the refractive indices of both the first lens 11 and the fourth lens 14 are greater than 1.5.

[0117] In one embodiment of this utility model, the Abbe number of the first lens 11 and the fourth lens 14 is less than 85.

[0118] In one embodiment of this utility model, the lens temperature drift of the four-piece glass-plastic hybrid lens is <1µm / 10℃.

[0119] In one embodiment of this utility model, the four-element glass-plastic hybrid lens also satisfies the following relationship:

[0120] 0 <SAG11 / SAG12<10;

[0121] 0.5 <SAG21 / SAG22<3;

[0122] 0.5 <SAG31 / SAG32<1;

[0123] 0.5 <SAG41 / SAG42<5;

[0124] Wherein, SAG11 is the sagitta of the object-side surface of the first lens 11, SAG12 is the sagitta of the image-side surface of the first lens 11, SAG21 is the sagitta of the object-side surface of the second lens 12, SAG22 is the sagitta of the image-side surface of the second lens 12, SAG31 is the sagitta of the object-side surface of the third lens 13, SAG32 is the sagitta of the image-side surface of the third lens 13, SAG41 is the sagitta of the object-side surface of the fourth lens 14, and SAG42 is the sagitta of the image-side surface of the fourth lens 14.

[0125] Furthermore, the aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship:

[0126] 0.5 <Y11 / Y21<1.5;

[0127] 0.5 <Y11 / Y31<1.5;

[0128] 0.8 <Y31 / Y42<1.2;

[0129] Wherein, Y11 is the maximum effective radius of the object side of the first lens 11, Y21 is the maximum effective radius of the object side of the second lens 12, Y31 is the maximum effective radius of the object side of the third lens 13, and Y42 is the maximum effective radius of the image side of the fourth lens 14.

[0130] In one embodiment of this utility model, the four-element glass-plastic hybrid lens also satisfies the following relationship:

[0131] -6 <R1 / R2<1;

[0132] 0.5 <R3 / R4<1.5;

[0133] 1 <R5 / R6<3;

[0134] -1 <R7 / R8<3;

[0135] 0 < |R1+R2 / R1-R2| < 1.5;

[0136] 5 < |R3+R4 / R3-R4| < 25;

[0137] 2<|R5+R6 / R5-R6|<5;

[0138] 0 < |R7+R8 / R7-R8| < 5;

[0139] Wherein, R1 is the radius of curvature of the object side of the first lens 11, R2 is the radius of curvature of the image side of the first lens 11, R3 is the radius of curvature of the object side of the second lens 12, R4 is the radius of curvature of the image side of the second lens 12, R5 is the radius of curvature of the object side of the third lens 13, R6 is the radius of curvature of the image side of the third lens 13, R7 is the radius of curvature of the object side of the fourth lens 14, and R8 is the radius of curvature of the image side of the fourth lens 14.

[0140] In one embodiment of this utility model, the four-element glass-plastic hybrid lens also satisfies the following relationship:

[0141] 0.4 <T12 / T34<0.8;

[0142] 1.4 <T1 / T2<1.8;

[0143] 0.5 <T3 / T4<1;

[0144] Wherein, T1 is the center thickness of the first lens 11, T2 is the center thickness of the second lens 12, T3 is the center thickness of the third lens 13, T4 is the center thickness of the fourth lens 14, T12 is the combined center thickness of the first lens 11 and the second lens 12, and T34 is the combined center thickness of the third lens 13 and the fourth lens 14.

[0145] In one embodiment of this utility model, the four-element glass-plastic hybrid lens also satisfies the following relationship:

[0146] 0.1 <T12 / TTL<0.2;

[0147] Wherein, T12 is the combined center thickness of the first lens 11 and the second lens 12, and TTL is the distance between the object side surface of the first lens 11 and the image surface.

[0148] This utility model embodiment also provides an electronic device, including a 4-element glass-plastic hybrid lens as described in any of the above.

[0149] The aforementioned electronic device, through the structure and parameter settings of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, ensures that the lens temperature drift is <1µm / 10℃, thereby stabilizing the lens focus.

[0150] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A four-element glass-plastic hybrid lens, characterized in that, The lens comprises an aperture stop, a first lens, a second lens, a third lens, a fourth lens, and a plane mirror arranged sequentially from the object side to the image side along the optical axis. The object side and image side of the first lens in the optical axis region are convex. One of the first lens or the fourth lens is a glass lens. The four-element glass-plastic hybrid lens satisfies the following relationship: f1'>0, f3'<0, f4'>0; -3 <f1' / f3'<0,1<f1' / f4'<5,0.5<f' / f12'<2,-1.5<f' / f34'<0.8,-1<f12' / f34'<1; 0.15 <IH / TTL<0.18; Wherein, f' is the focal length of the four-element glass-plastic hybrid lens, TTL is the distance between the object side and the image plane of the first lens, IH is the half-image height of the four-element glass-plastic hybrid lens, the focal lengths of the first lens to the plane mirror are f1', f2', f3', f4', and f5' respectively, f12' is the combined focal length of the first lens and the second lens, and f34' is the combined focal length of the third lens and the fourth lens.

2. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The refractive indices of both the first lens and the fourth lens are greater than 1.

5.

3. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The Abbe number of the first lens and the fourth lens is less than 85.

4. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The lens temperature drift of the aforementioned 4-element glass-plastic hybrid lens is <1µm / 10°C.

5. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship: 0 <SAG11 / SAG12<10; 0.5 <SAG21 / SAG22<3; 0.5 <SAG31 / SAG32<1; 0.5 <SAG41 / SAG42<5; Wherein, SAG11 is the sagitta of the object-side surface of the first lens, SAG12 is the sagitta of the image-side surface of the first lens, SAG21 is the sagitta of the object-side surface of the second lens, SAG22 is the sagitta of the image-side surface of the second lens, SAG31 is the sagitta of the object-side surface of the third lens, SAG32 is the sagitta of the image-side surface of the third lens, SAG41 is the sagitta of the object-side surface of the fourth lens, and SAG42 is the sagitta of the image-side surface of the fourth lens.

6. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship: 0.5 <Y11 / Y21<1.5; 0.5 <Y11 / Y31<1.5; 0.8 <Y31 / Y42<1.2; Wherein, Y11 is the maximum effective radius of the object side of the first lens, Y21 is the maximum effective radius of the object side of the second lens, Y31 is the maximum effective radius of the object side of the third lens, and Y42 is the maximum effective radius of the image side of the fourth lens.

7. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship: -6 <R1 / R2<1; 0.5 <R3 / R4<1.5; 1 <R5 / R6<3; -1 <R7 / R8<3; 0 < |R1+R2 / R1-R2| < 1.5; 5 < |R3+R4 / R3-R4| < 25; 2<|R5+R6 / R5-R6|<5; 0 < |R7+R8 / R7-R8| < 5; Wherein, R1 is the radius of curvature of the object side of the first lens, R2 is the radius of curvature of the image side of the first lens, R3 is the radius of curvature of the object side of the second lens, R4 is the radius of curvature of the image side of the second lens, R5 is the radius of curvature of the object side of the third lens, R6 is the radius of curvature of the image side of the third lens, R7 is the radius of curvature of the object side of the fourth lens, and R8 is the radius of curvature of the image side of the fourth lens.

8. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship: 0.4 <T12 / T34<0.8; 1.4 <T1 / T2<1.8; 0.5 <T3 / T4<1; Wherein, T1 is the center thickness of the first lens, T2 is the center thickness of the second lens, T3 is the center thickness of the third lens, T4 is the center thickness of the fourth lens, T12 is the combined center thickness of the first lens and the second lens, and T34 is the combined center thickness of the third lens and the fourth lens.

9. A four-element glass-plastic hybrid lens according to claim 1, characterized in that, The aforementioned 4-element glass-plastic hybrid lens also satisfies the following relationship: 0.1 <T12 / TTL<0.2; Wherein, T12 is the combined center thickness of the first lens and the second lens, and TTL is the distance between the object side of the first lens and the image plane.

10. An electronic device, characterized in that, Including a 4-element glass-plastic hybrid lens as described in any one of claims 1-9.

Images