Four-piece glass-plastic hybrid lens and electronic equipment

Abstract

The invention 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 from the object side to the image side in the optical axis direction, the object side face of the optical axis area of the first lens is a convex face, the image side face of the optical axis area of the first lens is a convex face, and the object side face of the optical axis area of the second lens is a convex face. 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] The present invention relates to the technical field of lenses, and in particular to a 4-piece glass-plastic hybrid lens and electronic equipment. Background Art

[0002] A glass-plastic hybrid lens is a lens made of a mixture of glass and plastic, usually made of up to 85% plastic and a small amount of glass, to achieve a perfect combination of the optical properties of a glass lens and the lightness and sturdiness of a plastic lens.

[0003] However, the existing glass-plastic hybrid lens will have its focus drift (temperature drift) when the temperature is too high or too low, and the longer the focal length of the lens, the more likely it is to have temperature drift. Summary of the invention

[0004] The purpose of the present invention is to provide a 4-piece glass-plastic hybrid lens to solve the problem that the focus of the existing glass-plastic hybrid lens will drift due to excessively high or low temperatures.

[0005] The present invention provides a 4-piece glass-plastic hybrid lens, which is composed of a stop, a first lens, a second lens, a third lens, a fourth lens, and a plane mirror arranged in sequence from the object side to the image side and along the optical axis direction, wherein the object side surface of the optical axis region of the first lens is a convex surface, and the image side surface is a convex surface, and one of the first lens or the fourth lens is a glass lens. The 4-piece 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] Among them, f' is the focal length of the four-piece glass-plastic hybrid lens, TTL is the distance between the object side of the first lens and the image plane, IH is the half image height of the four-piece glass-plastic hybrid lens, the focal lengths from the first lens to the plane mirror are f1', f2', f3', f4', 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 above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens, the second lens, the third lens, and the fourth lens, makes the temperature drift of the lens of the product less than 1um / 10℃, making the focus of the lens stable.

[0011] Furthermore, the refractive indexes of the first lens and the fourth lens are both 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 4-piece glass-plastic hybrid lens is <1um / 10°C.

[0014] Furthermore, the four-piece 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] Among them, SAG11 is the sagitta of the object side of the first lens, SAG12 is the sagitta of the image side of the first lens, SAG21 is the sagitta of the object side of the second lens, SAG22 is the sagitta of the image side of the second lens, SAG31 is the sagitta of the object side of the third lens, SAG32 is the sagitta of the image side of the third lens, SAG41 is the sagitta of the object side of the fourth lens, and SAG42 is the sagitta of the image side of the fourth lens

[0020] Furthermore, the four-piece 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] Among them, 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 four-piece 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] Among them, R1 is the curvature radius of the object side of the first lens, R2 is the curvature radius of the image side of the first lens, R3 is the curvature radius of the object side of the second lens, R4 is the curvature radius of the image side of the second lens, R5 is the curvature radius of the object side of the third lens, R6 is the curvature radius of the image side of the third lens, R7 is the curvature radius of the object side of the fourth lens, and R8 is the curvature radius of the image side of the fourth lens.

[0035] Furthermore, the four-piece 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 four-piece 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 from the object side surface of the first lens to the image plane.

[0043] The present invention also provides an electronic device, comprising a 4-piece glass-plastic hybrid lens as described in any one of the above. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0045] Figure 2 for Figure 1 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0047] Figure 4 for Figure 1 A graph showing the relative illumination and field of view of a 4-element glass-plastic hybrid lens;

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

[0049] Figure 6 for Figure 5 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0051] Figure 8 for Figure 5 A graph showing the relative illumination and field of view of a 4-element glass-plastic hybrid lens;

[0052] Fig. 9 This is a schematic structural diagram of a 4-piece glass-plastic hybrid lens in the third embodiment of the present invention;

[0053] Fig.10 for Fig. 9 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0055] Fig.12 for Fig. 9 A graph showing the relative illumination and field of view of a 4-element glass-plastic hybrid lens;

[0056] Fig.13 This is a schematic structural diagram of a 4-piece glass-plastic hybrid lens in a fourth embodiment of the present invention;

[0057] Fig.14 for Fig.13 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0059] Fig.16 for Fig.13 A graph showing the relative illumination and field of view of a 4-element glass-plastic hybrid lens;

[0060] Fig.17 This is a schematic structural diagram of a 4-piece glass-plastic hybrid lens in a fifth embodiment of the present invention;

[0061] Fig.18 for Fig.17 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0063] Fig. 20 for Fig.17 A graph showing the relative illumination and field of view of a 4-element glass-plastic hybrid lens;

[0064] Fig.21 This is a schematic structural diagram of a 4-piece glass-plastic hybrid lens in a sixth embodiment of the present invention;

[0065] Fig. 22 for Fig.21 A graph showing the polychromatic light diffraction modulation transfer function of a 4-element glass-plastic hybrid lens;

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

[0067] Fig.24 for Fig.21 A graph showing relative illumination as a function of field of view for a 4-element glass-plastic hybrid lens.

[0068] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0069] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are provided in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0070] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0071] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0072] See also Figures 1 to 4 The first embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of a stop STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side and along the optical axis. The object side surface of the optical axis region of the first lens 11 is a convex surface, and the image side surface is a convex surface. One of the first lens 11 or the fourth lens 14 is a glass lens. The 4-piece 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] Among them, f' is the focal length of the four-piece glass-plastic hybrid lens, TTL is the distance between the object side of the first lens 11 and the image plane, IH is the half image height of the four-piece glass-plastic hybrid lens, the focal lengths from the first lens 11 to the plane mirror 15 are f1', f2', f3', f4', 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-piece 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]

[0081] Table 2

[0082]

[0083] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0084] See also Figures 5 to 8 A second embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of a stop STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side and along the optical axis. The object side surface of the optical axis region of the first lens 11 is a convex surface, the image side surface is a convex surface, and one of the first lens 11 or the fourth lens 14 is a glass lens.

[0085] Specifically, in this embodiment, the system parameters and structural parameters of the 4-piece glass-plastic hybrid lens meet Table 3, and the aspherical parameters meet Table 4.

[0086] Table 3

[0087]

[0088] Table 4

[0089]

[0090] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0091] See also Figures 9 to 12 A third embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of an aperture STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side and along the optical axis. The object side surface of the optical axis area of ​​the first lens 11 is a convex surface, and the image side surface is a convex surface. One of the first lens 11 or the fourth lens 14 is a glass lens. Specifically, in this embodiment, the system parameters and structural parameters of the 4-piece glass-plastic hybrid lens meet Table 5, and the aspheric parameters meet Table 6.

[0092] Table 5

[0093]

[0094] Table 6

[0095]

[0096] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0097] See also Figures 13 to 16 A fourth embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of a stop STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side along the optical axis. The object side surface of the optical axis region of the first lens 11 is a convex surface, and the image side surface is a convex surface. One of the first lens 11 or the fourth lens 14 is a glass lens. Specifically, in this embodiment, the system parameters and structural parameters of the 4-piece glass-plastic hybrid lens meet Table 7, and the aspheric parameters meet Table 8.

[0098] Table 7

[0099]

[0100] Table 8

[0101]

[0102] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0103] See also Figures 17 to 20 The fifth embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of an aperture STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side and along the optical axis. The object side surface of the optical axis area of ​​the first lens 11 is a convex surface, and the image side surface is a convex surface. One of the first lens 11 or the fourth lens 14 is a glass lens. Specifically, in this embodiment, the system parameters and structural parameters of the 4-piece glass-plastic hybrid lens meet Table 9, and the aspheric parameters meet Table 10.

[0104] Table 9

[0105]

[0106] Table 10

[0107]

[0108]

[0109] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0110] See also Figure 21 to Figure 24 The sixth embodiment of the present invention provides a 4-piece glass-plastic hybrid lens, which is composed of an aperture STOP, a first lens 11, a second lens 12, a third lens 13, a fourth lens 14, and a plane mirror 15 arranged in sequence from the object side to the image side along the optical axis. The object side surface of the optical axis area of ​​the first lens 11 is a convex surface, and the image side surface is a convex surface. One of the first lens 11 or the fourth lens 14 is a glass lens. Specifically, in this embodiment, the system parameters and structural parameters of the 4-piece glass-plastic hybrid lens meet Table 11, and the aspheric parameters meet Table 12.

[0111] Table 11

[0112]

[0113] Fig.12

[0114]

[0115]

[0116] The above-mentioned 4-piece glass-plastic hybrid lens, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the lens temperature drift of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0117] In one embodiment of the present invention, the refractive indexes of the first lens 11 and the fourth lens 14 are both greater than 1.5.

[0118] In one embodiment of the present invention, the Abbe numbers of the first lens 11 and the fourth lens 14 are less than 85.

[0119] In one embodiment of the present invention, the lens temperature drift of the 4-piece glass-plastic hybrid lens is <1um / 10°C.

[0120] In one embodiment of the present invention, the four-piece glass-plastic hybrid lens also satisfies the following relationship:

[0121] 0 <SAG11 / SAG12<10;

[0122] 0.5 <SAG21 / SAG22<3;

[0123] 0.5 <SAG31 / SAG32<1;

[0124] 0.5 <SAG41 / SAG42<5;

[0125] Among them, 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

[0126] Furthermore, the four-piece glass-plastic hybrid lens also satisfies the following relationship:

[0127] 0.5 <Y11 / Y21<1.5;

[0128] 0.5 <Y11 / Y31<1.5;

[0129] 0.8 <Y31 / Y42<1.2;

[0130] Among them, 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.

[0131] In one embodiment of the present invention, the four-piece glass-plastic hybrid lens also satisfies the following relationship:

[0132] -6 <R1 / R2<1;

[0133] 0.5 <R3 / R4<1.5;

[0134] 1 <R5 / R6<3;

[0135] -1 <R7 / R8<3;

[0136] 0<|R1+R2 / R1-R2|<1.5;

[0137] 5<|R3+R4 / R3-R4|<25;

[0138] 2<|R5+R6 / R5-R6|<5;

[0139] 0<|R7+R8 / R7-R8|<5;

[0140] Among them, R1 is the curvature radius of the object side of the first lens 11, R2 is the curvature radius of the image side of the first lens 11, R3 is the curvature radius of the object side of the second lens 12, R4 is the curvature radius of the image side of the second lens 12, R5 is the curvature radius of the object side of the third lens 13, R6 is the curvature radius of the image side of the third lens 13, R7 is the curvature radius of the object side of the fourth lens 14, and R8 is the curvature radius of the image side of the fourth lens 14.

[0141] In one embodiment of the present invention, the four-piece glass-plastic hybrid lens also satisfies the following relationship:

[0142] 0.4 <T12 / T34<0.8;

[0143] 1.4 <T1 / T2<1.8;

[0144] 0.5 <T3 / T4<1;

[0145] 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.

[0146] In one embodiment of the present invention, the four-piece glass-plastic hybrid lens also satisfies the following relationship:

[0147] 0.1 <T12 / TTL<0.2;

[0148] Wherein, T12 is the combined central thickness of the first lens 11 and the second lens 12 , and TTL is the distance from the object side surface of the first lens 11 to the image plane.

[0149] An embodiment of the present invention further provides an electronic device, comprising a 4-piece glass-plastic hybrid lens as described in any one of the above.

[0150] The electronic device, through the setting of the structures and parameters of the first lens 11, the second lens 12, the third lens 13, and the fourth lens 14, makes the temperature drift of the lens of the product less than 1um / 10°C, so that the focus of the lens is stable.

[0151] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A 4-piece glass-plastic hybrid lens, characterized in that: The lens is composed of a stop, a first lens, a second lens, a third lens, a fourth lens, and a plane mirror arranged in sequence from the object side to the image side and along the optical axis direction, wherein the object side surface of the optical axis region of the first lens is a convex surface, and the image side surface is a convex surface, and one of the first lens or the fourth lens is a glass lens, and the four-piece glass-plastic hybrid lens satisfies the following relationship: f1'>0, f3'<0, f4'>0, f5'>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; Among them, f' is the focal length of the four-piece glass-plastic hybrid lens, TTL is the distance between the object side of the first lens and the image plane, IH is the half image height of the four-piece glass-plastic hybrid lens, the focal lengths from the first lens to the plane mirror are f1', f2', f3', f4', 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. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The refractive indexes of the first lens and the fourth lens are both greater than 1.

5.

3. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The Abbe numbers of the first lens and the fourth lens are less than 85.

4. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The lens temperature drift of the 4-piece glass-plastic hybrid lens is <1um / 10°C.

5. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The 4-piece 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; Among them, 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. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The 4-piece 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; Among them, 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. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The 4-piece 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; Among them, R1 is the curvature radius of the object side of the first lens, R2 is the curvature radius of the image side of the first lens, R3 is the curvature radius of the object side of the second lens, R4 is the curvature radius of the image side of the second lens, R5 is the curvature radius of the object side of the third lens, R6 is the curvature radius of the image side of the third lens, R7 is the curvature radius of the object side of the fourth lens, and R8 is the curvature radius of the image side of the fourth lens.

8. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The 4-piece 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. The 4-piece glass-plastic hybrid lens according to claim 1, characterized in that: The 4-piece 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 from the object side surface of the first lens to the image plane.

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

Images