CN220584467U

CN220584467U - Optical lens and electronic device

Info

Publication number: CN220584467U
Application number: CN202321929588.XU
Authority: CN
Inventors: 张沛颀; 范丞纬; 周明达
Original assignee: Largan Precision Co Ltd
Current assignee: Largan Precision Co Ltd
Priority date: 2022-12-27
Filing date: 2023-07-21
Publication date: 2024-03-12
Anticipated expiration: 2033-07-21

Abstract

An optical lens and an electronic device, the optical lens includes a compound lens. The compound lens comprises an optical part and an extension part. The optical part comprises a first optical surface, a second optical surface and a connecting surface, and an optical axis passes through the optical part. A light ray enters the optic through the first optical surface. The second optical surface is arranged opposite to the first optical surface, and the light leaves the optical part through the second optical surface. The connecting surface surrounds the optical axis and connects the first optical surface and the second optical surface. The extension part is light-proof, surrounds and covers the connecting surface, and is integrally formed with the optical part. The extension part comprises at least two material injecting marks, and the material injecting marks are axisymmetrically arranged on the extension part. Thereby, assembly errors can be reduced.

Description

Optical lens and electronic device

Technical Field

The present disclosure relates to an optical lens, and more particularly to an optical lens for use in a portable electronic device.

Background

In recent years, portable electronic devices, such as intelligent electronic devices, tablet computers, etc., have been rapidly developed, and optical lenses mounted on the portable electronic devices have been rapidly developed. However, with the progress of technology, the quality requirements of the optical lens are increasing. Therefore, the development of an optical lens capable of improving the manufacturing quality is an industrially important and urgent problem to be solved.

Disclosure of Invention

The present disclosure provides an optical lens and an electronic device, which can reduce assembly errors through a compound lens to improve manufacturing quality.

An optical lens according to an embodiment of the present disclosure includes a compound lens, wherein the compound lens includes an optical portion and an extension portion. The optical part comprises a first optical surface, a second optical surface and a connecting surface, and an optical axis passes through the optical part. A light ray enters the optic through the first optical surface. The second optical surface is arranged opposite to the first optical surface, and the light leaves the optical part through the second optical surface. The connecting surface surrounds the optical axis and connects the first optical surface and the second optical surface. The extension part surrounds and covers the connecting surface and supports and fixes the optical part. The optical part is a glass optical part, the extension part is a plastic extension part, the extension part comprises at least two injection marks, and the injection marks are axisymmetrically arranged on the extension part.

The optical lens according to the embodiment of the preceding paragraph, wherein the glass transition temperature of the optical portion is TgO and the glass transition temperature of the extension portion is TgE, may satisfy the following condition: tgO-TgE is more than or equal to 147 ℃ and less than or equal to 643 ℃.

The optical lens according to the embodiment of the preceding paragraph, wherein the extension portion is opaque and is integrally formed with the optical portion.

According to the optical lens of the embodiment of the present invention, the extension portion is attached to the optical portion and extends in a direction approaching the optical axis, and forms a light-transmitting hole in one of the first optical surface and the second optical surface, wherein a contour of the light-transmitting hole is defined by an inner peripheral surface, and an included angle between the inner peripheral surface and the optical axis is θa, which can satisfy the following conditions: 3 degrees < thetaa <73 degrees. In addition, it may satisfy the following conditions: 10 degrees < thetaa <53 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein a contact angle is formed between the inner peripheral surface and the optical portion at the edge of the light-passing hole, the contact angle being θb, which satisfies the following condition: 15 degrees < thetab <87 degrees. In addition, it may satisfy the following conditions: 44 degrees < thetab <87 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein the diameter of the optical portion isThe diameter of the light-transmitting hole isWhich can satisfy the following conditions: />

The optical lens according to the embodiment of the preceding paragraph, wherein the other of the first optical surface and the second optical surface forms another light-transmitting hole, the outline of the other light-transmitting hole is defined by another inner peripheral surface, the inner peripheral surface is a first inner peripheral surface, the other inner peripheral surface is a second inner peripheral surface, and the included angle between the first inner peripheral surface and the second inner peripheral surface is θt, which can satisfy the following conditions: 27 degrees < thetat <171 degrees. In addition, it may satisfy the following conditions: 85 degrees < thetat <135 degrees.

The optical lens according to the embodiment of the preceding paragraph may further comprise a lens, wherein the lens and the compound lens are disposed adjacent to each other along the optical axis, and the diameter of the lens isThe diameter of the optic is +.>Which can satisfy the following conditions:

the optical lens according to the embodiment of the preceding paragraph, wherein the extension portion may have a plane surface and a conical surface, the plane surface and the conical surface being in physical contact with the lens.

The optical lens according to the embodiment of the invention, wherein the first optical surface and the second optical surface are both convex.

The optical lens according to the embodiment of the preceding paragraph, wherein the extension portion may further comprise a extinction structure, wherein the extinction structure makes the surface profile of the extension portion have a concave-convex shape.

An optical lens according to an embodiment of the present disclosure includes a compound lens, wherein the compound lens includes an optical portion and an extension portion. The optical part comprises a first optical surface, a second optical surface and a connecting surface, and an optical axis passes through the optical part. A light ray enters the optic through the first optical surface. The second optical surface is arranged opposite to the first optical surface, and the light leaves the optical part through the second optical surface. The connecting surface surrounds the optical axis and connects the first optical surface and the second optical surface. The extension part surrounds and wraps the connecting surface, and is attached to the optical part to extend towards the direction close to the optical axis, and a first light through hole and a second light through hole are formed on the first optical surface and the second optical surface respectively. The optical portion is a glass optical portion, the extension portion is a plastic extension portion, the outline of the first light through hole is defined by a first inner peripheral surface, the outline of the second light through hole is defined by a second inner peripheral surface, and the included angle between the first inner peripheral surface and the second inner peripheral surface is thetat, which satisfies the following conditions: 27 degrees < thetat <171 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein the angle between the first inner peripheral surface and the second inner peripheral surface is θt, which can satisfy the following conditions: 85 degrees < thetat <135 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein the extension portion may include at least two molding marks, and the molding marks are disposed on the extension portion in an axisymmetric manner.

The optical lens according to the embodiment of the preceding paragraph, wherein the first inner circumferential surface has an angle θa1 with the optical axis, which satisfies the following condition: 3 degrees < θa1<73 degrees. In addition, it may satisfy the following conditions: 10 degrees < θa1<41 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein the angle θa2 between the second inner circumferential surface and the optical axis can satisfy the following conditions: 3 degrees < θa2<73 degrees. In addition, it may satisfy the following conditions: 24 degrees < θa2<53 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein a contact angle is formed between the first inner peripheral surface and the optical portion at the edge of the first light-transmitting hole, the contact angle being θb1, which satisfies the following conditions: 15 degrees < θb1<87 degrees. In addition, it may satisfy the following conditions: 59 degrees < θb1<87 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein a contact angle is formed between the second inner peripheral surface and the optical portion at the edge of the second light-transmitting hole, the contact angle being θb2, which satisfies the following conditions: 15 degrees < θb2<87 degrees. In addition, it may satisfy the following conditions: 44 degrees < θb2<87 degrees.

The optical lens according to the embodiment of the preceding paragraph, wherein the diameter of the optical portion isThe diameter of the first light-transmitting hole is +.>Which can satisfy the following conditions: />

An embodiment of the present disclosure provides an electronic device including the optical lens according to the foregoing embodiment.

Drawings

FIG. 1A is a partial cross-sectional view of an electronic device according to a first embodiment of the present disclosure;

FIG. 1B is an exploded view of the electronic device according to the first embodiment of FIG. 1A;

FIG. 1C is a cross-sectional view of the electronic device according to the first embodiment of FIG. 1A;

FIG. 1D is a perspective view of a compound lens according to the first embodiment of FIG. 1A;

FIG. 1E is a top view of the compound lens according to the first embodiment of FIG. 1A;

FIG. 1F is a cross-sectional view of the compound lens along the line 1F-1F according to the first embodiment of FIG. 1E;

FIG. 1G is an enlarged view of a portion of a compound lens according to the first embodiment of FIG. 1F;

FIG. 1H is a partial cross-sectional view of the compound lens according to the first embodiment of FIG. 1A;

FIG. 1I is another partial cross-sectional view of the compound lens according to the first embodiment of FIG. 1A;

FIG. 2A is a partial cross-sectional view of an electronic device according to a second embodiment of the present disclosure;

FIG. 2B is an exploded view of the electronic device according to the second embodiment of FIG. 2A;

FIG. 2C is a cross-sectional view of the electronic device according to the second embodiment of FIG. 2A;

FIG. 2D is a perspective view of the compound lens according to the second embodiment of FIG. 2A;

FIG. 2E is a top view of the compound lens according to the second embodiment of FIG. 2A;

FIG. 2F is a cross-sectional view of the compound lens along the section line 2F-2F according to the second embodiment of FIG. 2E;

FIG. 2G is an enlarged view of a portion of the compound lens according to the second embodiment of FIG. 2F;

FIG. 2H is a partial cross-sectional view of the compound lens according to the first example of the second embodiment of FIG. 2A;

FIG. 2I is another partial cross-sectional view of the compound lens according to the first example of the second embodiment of FIG. 2A;

FIG. 2J is a partial cross-sectional view of a compound lens according to a second example of the second embodiment of FIG. 2A;

FIG. 2K is a partial cross-sectional view of a compound lens according to the third example of the second embodiment of FIG. 2A;

FIG. 3A is a partial cross-sectional view of an electronic device according to a third embodiment of the present disclosure;

FIG. 3B is an exploded view of the electronic device according to the third embodiment of FIG. 3A;

FIG. 3C is a cross-sectional view of the electronic device according to the third embodiment of FIG. 3A;

FIG. 3D is a perspective view of a compound lens according to the third embodiment of FIG. 3A;

FIG. 3E is a top view of the compound lens according to the third embodiment of FIG. 3A;

FIG. 3F is a cross-sectional view of the compound lens along the section line 3F-3F according to the third embodiment of FIG. 3E;

FIG. 3G is an enlarged view of a portion of a compound lens according to the third embodiment of FIG. 3F;

FIG. 3H is a partial cross-sectional view of the compound lens according to the third embodiment of FIG. 3A;

FIG. 3I is a cross-sectional view of another portion of the compound lens according to the third embodiment of FIG. 3A;

FIG. 4A is a partial cross-sectional view of an electronic device according to a fourth embodiment of the present disclosure;

FIG. 4B is an exploded view of the electronic device according to the fourth embodiment of FIG. 4A;

FIG. 4C is a cross-sectional view of the electronic device according to the fourth embodiment of FIG. 4A;

FIG. 4D is a perspective view of a compound lens according to the fourth embodiment of FIG. 4A;

FIG. 4E is a top view of the compound lens according to the fourth embodiment of FIG. 4A;

FIG. 4F is a cross-sectional view of the compound lens along the section line 4F-4F according to the fourth embodiment of FIG. 4E;

FIG. 4G is an enlarged view of a portion of a compound lens according to the fourth embodiment of FIG. 4F;

FIG. 4H is a partial cross-sectional view of the compound lens according to the fourth embodiment of FIG. 4A;

FIG. 4I is another partial cross-sectional view of the compound lens according to the fourth embodiment of FIG. 4A;

FIG. 5A is a schematic diagram of an electronic device according to a fifth embodiment of the disclosure; and

fig. 5B is a block diagram of the electronic device according to the fifth embodiment of fig. 5A.

[ symbolic description ]

10,20,30,40,50: electronic device

11 optical path turning element

12,22,32,42,53 photosensitive element

110,210,310,410 composite lens

120,220,320,420 lens group

121,122,123,221,222,223,224,225,321,322,323,324,325,326,421,422,423,424,425 lens

140,240,340,440 optical portion

141,241,341,441 first optical surface

142,242,342,442, second optical surface

143,243,343,443 connecting surfaces

150,250,350,450 extension part

151,251,351,451 the injection mark

161,261,361,461 first light-transmitting hole

162,262,362,462 second light-passing hole

171,271,371,471 first inner peripheral surface

172,272,372,472 second inner peripheral surface

252 plane surface

253 conical surface

254 extinction structure

281 fixing part

282,382,482 containing piece

511 ultra-wide angle optical lens

512 wide-angle main optical lens

513 tele optical lens

514 ultra-long focal length optical lens

52 lens cover plate

54 user interface

55 imaging signal processing element

56 optical hand vibration prevention component

57 sensing element

58 flash lamp module

59 focusing auxiliary module

IF imaging plane

X is the optical axis

L light ray

θt, an included angle between the first inner peripheral surface and the second inner peripheral surface

θa1, an included angle between the first inner peripheral surface and the optical axis

θa2. Included angle between the second inner peripheral surface and the optical axis

θb1, θb2-contact angle

Diameter of optical portion

Diameter of light-transmitting hole

Diameter of lens

Detailed Description

The present disclosure provides an optical lens comprising a compound lens, wherein the compound lens comprises an optical portion and an extension portion. The optical part comprises a first optical surface, a second optical surface and a connecting surface, the optical axis passes through the optical part, one light ray enters the optical part through the first optical surface, the second optical surface is opposite to the first optical surface, the light ray leaves the optical part through the second optical surface, and the connecting surface surrounds the optical axis and is connected with the first optical surface and the second optical surface. The extension part is light-tight, surrounds and covers the connecting surface, is integrally formed with the optical part, and supports and fixes the optical part. Assembly errors can be reduced by the compound lens.

The extension portion may extend in a direction approaching the optical axis in contact with the optical portion. The extension part simultaneously covers the first optical surface and the second optical surface, so that the optical part is more stable.

The extension part forms a light through hole on one of the first optical surface and the second optical surface, and forms another light through hole on the other of the first optical surface and the second optical surface. In detail, the extension portion forms a first light-passing hole and a second light-passing hole on the first optical surface and the second optical surface respectively. The first light through hole and the second light through hole are respectively arranged on the first optical surface and the second optical surface, so that stray light can be further reduced.

The extension part can comprise at least two material injection marks, wherein the material injection marks are arranged on the extension part in an axisymmetric manner. The axisymmetric arrangement of the material injection marks is beneficial to improving the manufacturing quality of the composite lens.

The optical portion may be a glass optical portion, and the extension portion may be a plastic extension portion, wherein the optical portion may further be a molded glass or a ground glass, but is not limited thereto. Accordingly, the optical portion made of glass contributes to improving the environmental tolerance of the optical lens, and the extension portion made of plastic contributes to increasing the design freedom of the optical lens because plastic is easier to process than glass.

The optical lens may further include a lens, wherein the lens and the compound lens are disposed adjacent to each other along the optical axis, and the extension portion may have a plane surface and a conical surface. In detail, the plane and the conical surface are in physical contact with the lens. The extension part can have embedding function through the plane and the conical surface, thereby assembling and positioning the compound lens and the lens.

The first optical surface and the second optical surface may be convex. Thereby helping to compress the volume of the optical lens.

The extension portion may further comprise a matting structure, wherein the matting structure makes the surface profile of the extension portion have a relief. Thereby helping to reduce stray light reflections.

The glass transition temperature of the optic is TgO and the glass transition temperature of the extension is TgE, which can satisfy the following conditions: tgO-TgE is more than or equal to 147 ℃ and less than or equal to 643 ℃. The optical part is stable when the glass transition temperature is high, and is not easily affected by the mold temperature when the optical part is subjected to Insert molding.

The outline of the light-passing hole is defined by an inner peripheral surface, the outline of the other light-passing hole is defined by the other inner peripheral surface, and the included angle between the inner peripheral surface and the optical axis is thetaa, which can meet the following conditions: 3 degrees < thetaa <73 degrees. Therefore, stray light can be prevented from affecting imaging quality. In addition, it may satisfy the following conditions: 10 degrees < thetaa <53 degrees. Further, the outline of the first light-passing hole is defined by a first inner peripheral surface, the outline of the second light-passing hole is defined by a second inner peripheral surface, the included angle between the first inner peripheral surface and the optical axis is θa1, and the included angle between the second inner peripheral surface and the optical axis is θa2, which can satisfy the following conditions: 3 degrees < θa1<73 degrees; and 3 degrees < θa2<73 degrees. In addition, it may satisfy the following conditions: 10 degrees < θa1<41 degrees; and 24 degrees < θa2<53 degrees.

A contact angle is formed between the inner peripheral surface and the optical portion at the edge of the light passing hole, the contact angle is thetab, and the following conditions can be satisfied: 15 degrees < thetab <87 degrees. Therefore, the molding quality of the light passing hole is improved. In addition, it may satisfy the following conditions: 44 degrees < thetab <87 degrees. Further, a contact angle is formed between the first inner peripheral surface and the optical portion at the edge of the first light-passing hole, and the contact angle is θb1; the second inner peripheral surface and the optical portion form a contact angle at the edge of the second light-transmitting hole, the contact angle is θb2, and the following conditions can be satisfied: 15 degrees < θb1<87 degrees; and 15 degrees < θb2<87 degrees. In addition, it may satisfy the following conditions: 59 degrees < θb1<87 degrees; and 44 degrees < θb2<87 degrees.

The diameter of the optical part isThe diameter of the light-transmitting hole is->Which can satisfy the following conditions: /> When the proportion of the extension portion extending in the optical axis direction is higher, the optical portion can be more stable. Thereby helping to block stray light from passing through the optical surface. Further, the diameter of the optic is +.>The diameter of the first light-transmitting hole is +.>Which can satisfy the following conditions: />

The inner peripheral surface is a first inner peripheral surface, the other inner peripheral surface is a second inner peripheral surface, and an included angle between the first inner peripheral surface and the second inner peripheral surface is thetat, which can meet the following conditions: 27 degrees < thetat <171 degrees. In addition, it may satisfy the following conditions: 85 degrees < thetat <135 degrees.

The diameter of the lens isThe diameter of the optic is +.>Which can satisfy the following conditions: /> Thereby contributing to a more versatile optical design.

The technical features of the optical lens disclosed in the disclosure can be combined and configured to achieve the corresponding effects.

The present disclosure provides an electronic device, wherein the electronic device includes the aforementioned optical lens. Further, the electronic device may be a mobile phone, a vehicular device, a Virtual Reality (VR) or an augmented reality (Augmented Reality, AR), but is not limited thereto.

In accordance with the foregoing embodiments, the following detailed description and examples are presented in conjunction with the accompanying drawings.

< first embodiment >, first embodiment

Referring to fig. 1A to 1C, fig. 1A is a partial cross-sectional view of an electronic device 10 according to a first embodiment of the disclosure, fig. 1B is an exploded view of the electronic device 10 according to the first embodiment of fig. 1A, and fig. 1C is a cross-sectional view of the electronic device 10 according to the first embodiment of fig. 1A. As shown in fig. 1A to 1C, the electronic device 10 includes an optical lens (not shown), an optical path turning element 11 and a photosensitive element 12, wherein the optical path turning element 11 is disposed on an image side of the optical lens, and the photosensitive element 12 is disposed on an imaging plane IF of the optical lens. Further, the electronic device 10 may be a mobile phone, a vehicular device, a virtual reality or an augmented reality, but is not limited thereto.

The optical lens comprises a compound lens 110 and a lens group 120, wherein the lens group 120 comprises a plurality of lenses 121, 122, 123, and the compound lens 110 comprises an optical portion 140 and an extension portion 150. Further, the compound lens 110 may have a receiving function and is used for receiving the lens assembly 120, wherein the optical portion 140 of the compound lens 110 is disposed on the object side of the lens assembly 120, and the lens 121 is disposed adjacent to the compound lens 110 along an optical axis X. Specifically, the compound lens 110 helps to reduce assembly errors.

In detail, the optical portion 140 may be a glass optical portion, and the extension portion 150 may be a plastic extension portion, wherein the optical portion 140 may be a molded glass or a ground glass, but is not limited thereto. Accordingly, the optical portion 140 made of glass contributes to improving the environmental tolerance of the optical lens, and the extension portion 150 made of plastic contributes to increasing the design freedom of the optical lens because plastic is easier to process than glass.

Referring to fig. 1D to 1I, fig. 1D is a perspective view of a compound lens 110 according to the first embodiment of fig. 1A, fig. 1E is a top view of the compound lens 110 according to the first embodiment of fig. 1A, fig. 1F is a cross-sectional view of the compound lens 110 along a sectional line 1F-1F according to the first embodiment of fig. 1E, fig. 1G is a partially enlarged view of the compound lens 110 according to the first embodiment of fig. 1F, fig. 1H is a partially cross-sectional view of the compound lens 110 according to the first embodiment of fig. 1A, and fig. 1I is another partially cross-sectional view of the compound lens 110 according to the first embodiment of fig. 1A. As shown in fig. 1C to 1I, the optical portion 140 includes a first optical surface 141, a second optical surface 142 and a connecting surface 143, the optical axis X passes through the optical portion 140, the extension portion 150 is opaque, the extension portion 150 surrounds and covers the connecting surface 143, and is integrally formed with the optical portion 140, wherein a light L enters the optical portion 140 through the first optical surface 141, the second optical surface 142 is opposite to the first optical surface 141, the light L leaves the optical portion 140 through the second optical surface 142, and the connecting surface 143 surrounds the optical axis X and connects the first optical surface 141 and the second optical surface 142. It should be noted that the lines between the optical portion 140 and the extension portion 150 are only used to represent the respective distribution ranges of the two.

As shown in fig. 1D and fig. 1E, the extension portion 150 includes four molding traces 151, and the molding traces 151 are disposed on the extension portion 150 in an axisymmetric manner. The axisymmetric arrangement of the molding marks 151 helps to improve the manufacturing quality of the compound lens 110.

As shown in fig. 1E and fig. 1G to fig. 1I, the extending portion 150 is attached to the optical portion 140 and extends in a direction approaching the optical axis X, and forms a light-passing hole on one of the first optical surface 141 and the second optical surface 142, and forms another light-passing hole on the other of the first optical surface 141 and the second optical surface 142. In the first embodiment, the extension portion 150 forms a first light-passing hole 161 and a second light-passing hole 162 on the first optical surface 141 and the second optical surface 142, respectively. The extension portion 150 covers the first optical surface 141 and the second optical surface 142 at the same time, so that the optical portion 140 is more stable, and the first light-passing hole 161 and the second light-passing hole 162 are respectively disposed on the first optical surface 141 and the second optical surface 142, which is helpful for further reducing stray light.

As can be seen from fig. 1G to fig. 1I, the contour of the light-passing hole is defined by one inner peripheral surface, and the contour of the other light-passing hole is defined by the other inner peripheral surface. In the first embodiment, the contour of the first light-passing hole 161 is defined by a first inner peripheral surface 171, and the contour of the second light-passing hole 162 is defined by a second inner peripheral surface 172.

As can be seen from fig. 1C, 1F and 1G, the glass transition temperature of the optical portion 140 is TgO, and the glass transition temperature of the extension portion 150 is TgE; an angle θt between the first inner peripheral surface 171 and the second inner peripheral surface 172; an included angle θa1 between the first inner peripheral surface 171 and the optical axis X, and an included angle θa2 between the second inner peripheral surface 172 and the optical axis X; a contact angle is formed between the first inner peripheral surface 171 and the optical portion 140 at the edge of the first light-transmitting hole 161, the contact angle being θb1; a contact angle is formed between the second inner peripheral surface 172 and the optical portion 140 at the edge of the second light-passing hole 162, and the contact angle is θb2; the diameter of the optic 140 isThe diameter of the light-passing hole (i.e., the first light-passing hole 161) is +.>The diameter of the lens 121 is +.>The parameters satisfy the following table 1 conditions.

< second embodiment >

Referring to fig. 2A to 2C, fig. 2A is a partial cross-sectional view of the electronic device 20 according to the second embodiment of the disclosure, fig. 2B is an exploded view of the electronic device 20 according to the second embodiment of fig. 2A, and fig. 2C is a cross-sectional view of the electronic device 20 according to the second embodiment of fig. 2A. As shown in fig. 2A to 2C, the electronic device 20 includes an optical lens (not shown) and a photosensitive element 22, wherein the photosensitive element 22 is disposed on an imaging plane IF of the optical lens.

The optical lens assembly includes a compound lens 210, a lens assembly 220, a fixing element 281 and a receiving element 282, wherein the lens assembly 220 includes a plurality of lenses 221, 222, 223, 224, 225, the compound lens 210 includes an optical portion 240 and an extension portion 250, the receiving element 282 is configured to receive the compound lens 210 and the lens assembly 220, and the fixing element 281 is disposed on an object side of the lens 221. Further, the optical portion 240 of the compound lens 210 is disposed on the object side of the lens 224, and the lens 224 and the compound lens 210 are disposed adjacent to each other along an optical axis X. Specifically, the compound lens 210 helps reduce assembly errors.

In detail, the optical portion 240 may be a glass optical portion, and the extension portion 250 may be a plastic extension portion, wherein the optical portion 240 may be a molded glass or a ground glass, but is not limited thereto. Accordingly, the optical portion 240 made of glass contributes to improving the environmental tolerance of the optical lens, and the extension portion 250 made of plastic contributes to increasing the design freedom of the optical lens because plastic is easier to process than glass.

Referring to fig. 2D to 2I, fig. 2D is a perspective view of the compound lens 210 according to the second embodiment of fig. 2A, fig. 2E is a top view of the compound lens 210 according to the second embodiment of fig. 2A, fig. 2F is a cross-sectional view of the compound lens 210 along a section line 2F-2F according to the second embodiment of fig. 2E, fig. 2G is a partially enlarged view of the compound lens 210 according to the second embodiment of fig. 2F, fig. 2H is a partially cross-sectional view of the compound lens 210 according to the first embodiment of the second embodiment of fig. 2A, and fig. 2I is a partially cross-sectional view of the compound lens 210 according to the first embodiment of the second embodiment of fig. 2A. As shown in fig. 2D to 2I, the optical portion 240 includes a first optical surface 241, a second optical surface 242 and a connecting surface 243, the optical axis X passes through the optical portion 240, the extension portion 250 is opaque, the extension portion 250 surrounds and covers the connecting surface 243 and the optical portion 240, wherein a light ray (not shown) enters the optical portion 240 through the first optical surface 241, the second optical surface 242 is opposite to the first optical surface 241, the light ray leaves the optical portion 240 through the second optical surface 242, and the connecting surface 243 surrounds the optical axis X and connects the first optical surface 241 and the second optical surface 242. It should be noted that the lines between the optical portion 240 and the extension portion 250 are only used to represent the respective distribution ranges of the two.

As shown in fig. 2D and fig. 2E, the extension portion 250 includes two molding marks 251, and the molding marks 251 are disposed on the extension portion 250 in an axisymmetric manner. The axisymmetric arrangement of the molding marks 251 helps to improve the manufacturing quality of the compound lens 210.

As shown in fig. 2E and fig. 2G to fig. 2I, the extending portion 250 is attached to the optical portion 240 and extends in a direction approaching the optical axis X, and forms a light-passing hole on one of the first optical surface 241 and the second optical surface 242, and forms another light-passing hole on the other of the first optical surface 241 and the second optical surface 242. In the second embodiment, the extension portion 250 forms a first light-passing hole 261 and a second light-passing hole 262 on the first optical surface 241 and the second optical surface 242, respectively. The extension portion 250 covers the first optical surface 241 and the second optical surface 242 at the same time, so that the optical portion 240 is more stable, and the first light-passing hole 261 and the second light-passing hole 262 are respectively disposed on the first optical surface 241 and the second optical surface 242, which is helpful for further reducing stray light.

As can be seen from fig. 2G to fig. 2I, the contour of the light-passing hole is defined by one inner peripheral surface, and the contour of the other light-passing hole is defined by the other inner peripheral surface. In the second embodiment, the contour of the first light-passing hole 261 is defined by a first inner circumferential surface 271, and the contour of the second light-passing hole 262 is defined by a second inner circumferential surface 272.

As can be seen in fig. 2C and 2I, the extension 250 may have a flat surface 252 and a tapered surface 253, wherein the flat surface 252 and the tapered surface 253 are in physical contact with the lens 224. The extension 250 is provided with a fitting function by the flat surface 252 and the conical surface 253, so that the compound lens 210 and the lens 224 are assembled and positioned.

As shown in fig. 2F, the first optical surface 241 and the second optical surface 242 may be convex. Thereby helping to compress the volume of the optical lens.

As can be seen from fig. 2C, 2F and 2G, the angle between the first inner circumferential surface 271 and the second inner circumferential surface 272 is θt; an included angle between the first inner circumferential surface 271 and the optical axis X is θa1, and an included angle between the second inner circumferential surface 272 and the optical axis X is θa2; a contact angle is formed between the first inner circumferential surface 271 and the optical portion 240 at the edge of the first light-transmitting hole 261, and the contact angle is θb1; a contact angle is formed between the second inner peripheral surface 272 and the optical portion 240 at the edge of the second light-passing hole 262, and the contact angle is θb2; the diameter of the optic 240 isThe diameter of the light-passing hole (i.e., the first light-passing hole 261) is +.>Lens 224 has a diameter +.>The parameters satisfy the following table 2 condition.

Referring to fig. 2J, a partial cross-sectional view of a compound lens 210 according to a second embodiment of the second embodiment of fig. 2A is shown. As can be seen in FIG. 2J, the extension 250 may further comprise a relief structure 254, wherein the relief structure 254 provides the surface profile of the extension 250 with a relief. Thereby helping to reduce stray light reflections. Further, the extinction structure 254 may be triangular prism shape and radially disposed about the optical axis X.

Referring to fig. 2K, a partial cross-sectional view of a compound lens 210 according to a third embodiment of the second embodiment of fig. 2A is shown. As can be seen from fig. 2K, the extinction structure 254 may be cylindrical and arranged concentrically about the optical axis X.

< third embodiment >

Referring to fig. 3A to 3C, fig. 3A is a partial cross-sectional view of an electronic device 30 according to a third embodiment of the disclosure, fig. 3B is an exploded view of the electronic device 30 according to the third embodiment of fig. 3A, and fig. 3C is a cross-sectional view of the electronic device 30 according to the third embodiment of fig. 3A. As shown in fig. 3A to 3C, the electronic device 30 includes an optical lens (not shown) and a photosensitive element 32, wherein the photosensitive element 32 is disposed on an imaging plane IF of the optical lens.

The optical lens assembly includes a compound lens 310, a lens assembly 320 and a receiving member 382, wherein the lens assembly 320 includes a plurality of lenses 321, 322, 323, 324, 325, 326, the compound lens assembly 310 includes an optical portion 340 and an extending portion 350, and the receiving member 382 is configured to receive the lens assembly 320. Further, the optical portion 340 of the compound lens 310 is disposed on the object side of the lens 321, and the lens 321 is disposed adjacent to the compound lens 310 along an optical axis X. Specifically, compound lens 310 helps reduce assembly errors.

In detail, the optical portion 340 may be a glass optical portion, and the extension portion 350 may be a plastic extension portion, wherein the optical portion 340 may be a molded glass or a ground glass, but is not limited thereto. Accordingly, the optical portion 340 made of glass contributes to improving the environmental tolerance of the optical lens, and the extension portion 350 made of plastic contributes to increasing the design freedom of the optical lens because plastic is easier to process than glass.

Referring to fig. 3D to 3I, fig. 3D is a perspective view of a compound lens 310 according to the third embodiment of fig. 3A, fig. 3E is a top view of the compound lens 310 according to the third embodiment of fig. 3A, fig. 3F is a cross-sectional view of the compound lens 310 along a section line 3F-3F according to the third embodiment of fig. 3E, fig. 3G is a partially enlarged view of the compound lens 310 according to the third embodiment of fig. 3F, fig. 3H is a partially cross-sectional view of the compound lens 310 according to the third embodiment of fig. 3A, and fig. 3I is another partially cross-sectional view of the compound lens 310 according to the third embodiment of fig. 3A. As shown in fig. 3D to 3I, the optical portion 340 includes a first optical surface 341, a second optical surface 342 and a connecting surface 343, the optical axis X passes through the optical portion 340, the extension portion 350 is opaque, the extension portion 350 surrounds and encapsulates the connecting surface 343 and the optical portion 340, wherein a light ray (not shown) enters the optical portion 340 through the first optical surface 341, the second optical surface 342 is opposite to the first optical surface 341, the light ray leaves the optical portion 340 through the second optical surface 342, and the connecting surface 343 surrounds the optical axis X and connects the first optical surface 341 and the second optical surface 342. It should be noted that the lines between the optical portion 340 and the extension portion 350 are only used to represent the respective distribution ranges of the two.

As shown in fig. 3D and 3E, the extending portion 350 includes three injection marks 351, and the injection marks 351 are disposed on the extending portion 350 in an axisymmetric manner. The axisymmetric arrangement of the molding marks 351 helps to improve the manufacturing quality of the compound lens 310.

As shown in fig. 3E and fig. 3G to fig. 3I, the extending portion 350 is attached to the optical portion 340 and extends in a direction approaching the optical axis X, and forms a light-passing hole on one of the first optical surface 341 and the second optical surface 342, and forms another light-passing hole on the other of the first optical surface 341 and the second optical surface 342. In the third embodiment, the extension portion 350 forms a first light-passing hole 361 and a second light-passing hole 362 on the first optical surface 341 and the second optical surface 342, respectively. The extension portion 350 covers the first optical surface 341 and the second optical surface 342 at the same time, so that the optical portion 340 is more stable, and the first light-passing hole 361 and the second light-passing hole 362 are respectively disposed on the first optical surface 341 and the second optical surface 342, which is helpful for further reducing stray light.

As can be seen from fig. 3G to 3I, the contour of the light-passing hole is defined by one inner peripheral surface, and the contour of the other light-passing hole is defined by the other inner peripheral surface. In the third embodiment, the contour of the first light-passing hole 361 is defined by a first inner circumferential surface 371, and the contour of the second light-passing hole 362 is defined by a second inner circumferential surface 372.

As can be seen from fig. 3C, 3F and 3G, the angle between the first inner circumferential surface 371 and the second inner circumferential surface 372 is θt; an included angle between the first inner circumferential surface 371 and the optical axis X is θa1, and an included angle between the second inner circumferential surface 372 and the optical axis X is θa2; a contact angle is formed between the first inner circumferential surface 371 and the optical portion 340 at the edge of the first light-passing hole 361, and the contact angle is θb1; a contact angle is formed between the second inner circumferential surface 372 and the optical portion 340 at the edge of the second light-passing hole 362, and the contact angle is θb2; the diameter of the optic 340 isThe diameter of the light-passing hole (i.e., the first light-passing hole 361) is +.>The diameter of the lens 321 is +.>The parameters meet the following table 3 conditions. />

< fourth embodiment >, a third embodiment

Referring to fig. 4A to 4C, fig. 4A is a partial cross-sectional view of an electronic device 40 according to a fourth embodiment of the present disclosure, fig. 4B is an exploded view of the electronic device 40 according to the fourth embodiment of fig. 4A, and fig. 4C is a cross-sectional view of the electronic device 40 according to the fourth embodiment of fig. 4A. As shown in fig. 4A to 4C, the electronic device 40 includes an optical lens (not shown) and a photosensitive element 42, wherein the photosensitive element 42 is disposed on an imaging plane IF of the optical lens.

The optical lens comprises a compound lens 410, a lens assembly 420 and a receiving member 482, wherein the lens assembly 420 comprises a plurality of lenses 421, 422, 423, 424, 425, the compound lens 410 comprises an optical portion 440 and an extension portion 450, and the receiving member 482 is used for receiving the compound lens 410 and the lens assembly 420. Further, the optical portion 440 of the compound lens 410 is disposed on the object side of the lens 424, and the lens 424 and the compound lens 410 are disposed adjacent to each other along an optical axis X. Specifically, the compound lens 410 helps to reduce assembly errors.

In detail, the optical portion 440 may be a glass optical portion, and the extension portion 450 may be a plastic extension portion, wherein the optical portion 440 may be a molded glass or a ground glass, but is not limited thereto. Accordingly, the optical portion 440 made of glass contributes to improving the environmental tolerance of the optical lens, and the extension portion 450 made of plastic contributes to increasing the design freedom of the optical lens because plastic is easier to process than glass.

Referring to fig. 4D to 4I, fig. 4D is a perspective view of the compound lens 410 according to the fourth embodiment of fig. 4A, fig. 4E is a top view of the compound lens 410 according to the fourth embodiment of fig. 4A, fig. 4F is a cross-sectional view of the compound lens 410 along a sectional line 4F-4F according to the fourth embodiment of fig. 4E, fig. 4G is a partially enlarged view of the compound lens 410 according to the fourth embodiment of fig. 4F, fig. 4H is a partially cross-sectional view of the compound lens 410 according to the fourth embodiment of fig. 4A, and fig. 4I is another partially cross-sectional view of the compound lens 410 according to the fourth embodiment of fig. 4A. As shown in fig. 4D to 4I, the optical portion 440 includes a first optical surface 441, a second optical surface 442 and a connecting surface 443, the optical axis X passes through the optical portion 440, the extension portion 450 is opaque, the extension portion 450 surrounds and covers the connecting surface 443 and the optical portion 440, wherein a light ray (not shown) enters the optical portion 440 through the first optical surface 441, the second optical surface 442 is opposite to the first optical surface 441, the light ray exits the optical portion 440 through the second optical surface 442, and the connecting surface 443 surrounds the optical axis X and connects the first optical surface 441 and the second optical surface 442. It should be noted that the lines between the optical portion 440 and the extension portion 450 are only used to represent the respective distribution ranges of the two.

As shown in fig. 4D and 4E, the extension portion 450 includes two injection marks 451, and the injection marks 451 are disposed on the extension portion 450 in an axisymmetric manner. The axisymmetric arrangement of the molding marks 451 helps to improve the manufacturing quality of the compound lens 410.

As shown in fig. 4E and fig. 4G to fig. 4I, the extension portion 450 is attached to the optical portion 440 and extends in a direction approaching the optical axis X, and forms a light-passing hole on one of the first optical surface 441 and the second optical surface 442, and forms another light-passing hole on the other of the first optical surface 441 and the second optical surface 442. In the fourth embodiment, the extension 450 forms a first light-passing hole 461 and a second light-passing hole 462 on the first optical surface 441 and the second optical surface 442, respectively. The extension portion 450 covers the first optical surface 441 and the second optical surface 442 at the same time, so that the optical portion 440 is more stable, and the first light-passing hole 461 and the second light-passing hole 462 are respectively disposed on the first optical surface 441 and the second optical surface 442, which is helpful for further reducing stray light.

As can be seen from fig. 4G to fig. 4I, the contour of the light-passing hole is defined by one inner peripheral surface, and the contour of the other light-passing hole is defined by the other inner peripheral surface. In the fourth embodiment, the outline of the first light through hole 461 is defined by a first inner peripheral surface 471, and the outline of the second light through hole 462 is defined by a second inner peripheral surface 472.

As can be seen from fig. 4C, 4F and 4G, the angle between the first inner circumferential surface 471 and the second inner circumferential surface 472 is θt; an included angle between the first inner circumferential surface 471 and the optical axis X is θa1, and an included angle between the second inner circumferential surface 472 and the optical axis X is θa2; a contact angle is formed between the first inner circumferential surface 471 and the optical portion 440 at the edge of the first light passing hole 461, the contact angle being θb1; a contact angle is formed between the second inner circumferential surface 472 and the optical portion 440 at the edge of the second light-passing hole 462, and the contact angle is θb2; the diameter of the optic 440 isThe diameter of the light-passing hole (i.e., the first light-passing hole 461) is +.>Lens 424 has a diameter +.>The parameters satisfy the following table 4 condition.

< fifth embodiment >, a third embodiment

Referring to fig. 5A and 5B, fig. 5A is a schematic diagram of an electronic device 50 according to a fifth embodiment of the disclosure, and fig. 5B is a block diagram of the electronic device 50 according to the fifth embodiment of fig. 5A. As shown in fig. 5A and 5B, the electronic device 50 is a smart phone and includes six optical lenses, namely, an ultra-wide angle optical lens 511, a wide angle main optical lens 512, a telephoto optical lens 513 and three ultra-telephoto optical lenses 514, wherein the optical lenses respectively include a compound lens (not shown). In the fifth embodiment, each optical lens may be the optical lens of the first to fourth embodiments, but is not limited thereto.

Specifically, the electronic device 50 can realize the function of optical zooming by switching the optical lenses with different viewing angles. It should be noted that, the lens cover 52 is only for illustrating the ultra-wide angle optical lens 511, the wide angle main optical lens 512, the telephoto optical lens 513 and the ultra-telephoto optical lens 514 in the electronic device 50, and the lens cover 52 is not shown as detachable.

The electronic device 50 further includes a photosensitive element 53 and a user interface 54, wherein the photosensitive element 53 is disposed on the imaging surfaces (not shown) of the super wide angle optical lens 511, the wide angle main optical lens 512, the telephoto optical lens 513 and the super-telephoto optical lens 514, and the user interface 54 can be a touch screen or a display screen, but is not limited thereto.

Further, the user enters the shooting mode through the user interface 54 of the electronic device 50. At this time, the ultra-wide angle optical lens 511, the wide angle main optical lens 512, the telephoto optical lens 513 and the ultra-telephoto optical lens 514 collect imaging light on the photosensitive element 53, and output electronic signals related to the image to the imaging signal processing element (Image Signal Processor, ISP) 55.

In response to the camera specification of the electronic device 50, the electronic device 50 may further include an optical anti-shake element 56, which may be an OIS anti-shake feedback device, and further, the electronic device 50 may further include at least one auxiliary optical element (not shown) and at least one sensing element 57. In the fifth embodiment, the auxiliary optical elements are a flash module 58 and a focusing auxiliary module 59, the flash module 58 can be used for compensating the color temperature, and the focusing auxiliary module 59 can be an infrared ranging element, a laser focusing module, etc. The sensing element 57 may have the function of sensing physical momentum and actuation energy, such as an accelerometer, a gyroscope, and a hall element (Hall EffectElement), so as to sense shaking and vibration applied by the hand of a user or the external environment, thereby facilitating the auto-focusing function of the optical lenses (i.e. the super-wide-angle optical lens 511, the wide-angle main optical lens 512, the tele-optical lens 513, and the super-tele-optical lens 514) and the performance of the optical anti-shake element 56 in the electronic device 50, so as to obtain good imaging quality, and facilitate the electronic device 50 according to the present disclosure to have multiple modes of shooting functions, such as optimizing self-timer, low-light source HDR (High Dynamic Range, high dynamic range imaging), high Resolution 4K (4K Resolution) recording, and the like. In addition, the user can directly observe the shooting picture of the camera through the touch screen and manually operate the view finding range on the touch screen so as to achieve the automatic focusing function obtained by the user.

In addition, the electronic device 50 may further include, but is not limited to, a Display Unit (Display), a control Unit (control Unit), a Storage Unit (Storage Unit), a Random Access Memory (RAM), a read-only Storage Unit (ROM), or a combination thereof.

Although the present utility model has been described with reference to the above embodiments and examples, it should be understood that the utility model is not limited thereto, but rather is capable of modification and variation without departing from the spirit and scope of the present utility model.

Claims

1. An optical lens, comprising:

a compound lens, comprising:

an optical portion through which an optical axis passes, and comprising:

a first optical surface through which a light enters the optical portion;

a second optical surface arranged opposite to the first optical surface, and the light leaves the optical part through the second optical surface; and

A connecting surface surrounding the optical axis and connecting the first optical surface and the second optical surface; and

an extension part surrounding and wrapping the connection surface and supporting and fixing the optical part;

The extending part is a plastic extending part and comprises at least two injection marks, and the extending part is arranged in an axisymmetric way.

2. The optical lens of claim 1, wherein the optical portion has a glass transition temperature of TgO and the extension portion has a glass transition temperature TgE that satisfies the following condition:

147℃≤TgO-TgE≤643℃。

3. the optical lens of claim 2, wherein the extension is opaque and integrally formed with the optical portion.

4. The optical lens as claimed in claim 1, wherein the extension portion is attached to the optical portion and extends in a direction approaching the optical axis, and forms a light-passing hole in one of the first optical surface and the second optical surface, the outline of the light-passing hole is defined by an inner peripheral surface, and an angle θa between the inner peripheral surface and the optical axis satisfies the following conditions:

3 degrees < thetaa <73 degrees.

5. The optical lens of claim 4, wherein an angle θa between the inner peripheral surface and the optical axis satisfies the following condition:

10 degrees < thetaa <53 degrees.

6. The optical lens of claim 4, wherein a contact angle is formed between the inner peripheral surface and the optical portion at the edge of the light-passing hole, the contact angle being θb, which satisfies the following condition:

15 degrees < thetab <87 degrees.

7. The optical lens of claim 6, wherein the contact angle is θb, which satisfies the following condition:

44 degrees < thetab <87 degrees.

8. The optical lens of claim 4, wherein the diameter of the optical portion isThe diameter of the light-transmitting hole is +.>Which satisfies the following conditions:

9. the optical lens as claimed in claim 4, wherein another light-passing hole is formed in the other of the first optical surface and the second optical surface, the outline of the other light-passing hole is defined by another inner peripheral surface, the inner peripheral surface is a first inner peripheral surface, the other inner peripheral surface is a second inner peripheral surface, and an included angle between the first inner peripheral surface and the second inner peripheral surface is θt, which satisfies the following condition:

27 degrees < thetat <171 degrees.

10. The optical lens as claimed in claim 9, wherein an angle θt between the first inner peripheral surface and the second inner peripheral surface satisfies the following condition:

85 degrees < thetat <135 degrees.

11. The optical lens of claim 1, further comprising:

a lens adjacent to the compound lens along the optical axis, the diameter of the lens beingThe diameter of the optical part isWhich satisfies the following conditions:

12. The optical lens of claim 11, wherein the extension has a flat surface and a tapered surface, the flat surface and the tapered surface being in physical contact with the lens.

13. The optical lens of claim 11, wherein the first optical surface and the second optical surface are both convex.

14. The optical lens of claim 1, wherein the extension further comprises a matting structure, the matting structure providing a surface profile of the extension with relief.

15. An optical lens, comprising:

a compound lens, comprising:

an optical portion through which an optical axis passes, and comprising:

a first optical surface through which a light enters the optical portion;

the extending part surrounds and covers the connecting surface, and is attached to the optical part to extend towards the direction close to the optical axis, and a first light through hole and a second light through hole are formed on the first optical surface and the second optical surface respectively;

The optical portion is a glass optical portion, the extension portion is a plastic extension portion, the outline of the first light-passing hole is defined by a first inner peripheral surface, the outline of the second light-passing hole is defined by a second inner peripheral surface, and an included angle between the first inner peripheral surface and the second inner peripheral surface is θt, which satisfies the following conditions:

27 degrees < thetat <171 degrees.

16. The optical lens of claim 15, wherein an included angle between the first inner peripheral surface and the second inner peripheral surface is θt, which satisfies the following condition:

85 degrees < thetat <135 degrees.

17. The optical lens of claim 15, wherein the optical portion has a glass transition temperature of TgO and the extension has a glass transition temperature TgE that satisfies the following condition:

147℃≤TgO-TgE≤643℃。

18. the optical lens of claim 17 wherein the extension is opaque and integrally formed with the optic.

19. The optical lens of claim 15, wherein the extension portion comprises at least two molding marks, and the at least two molding marks are disposed on the extension portion in an axisymmetric manner.

20. The optical lens of claim 17 wherein an angle θa1 between the first inner peripheral surface and the optical axis satisfies the following condition:

3 degrees < θa1<73 degrees.

21. The optical lens of claim 20 wherein an angle θa1 between the first inner peripheral surface and the optical axis satisfies the following condition:

10 degrees < θa1<41 degrees.

22. The optical lens of claim 17 wherein an angle θa2 between the second inner peripheral surface and the optical axis satisfies the following condition:

3 degrees < θa2<73 degrees.

23. The optical lens of claim 22 wherein an angle θa2 between the second inner peripheral surface and the optical axis satisfies the following condition:

24 degrees < θa2<53 degrees.

24. The optical lens of claim 17, wherein a contact angle is formed between the first inner peripheral surface and the optical portion at the edge of the first light-transmitting hole, the contact angle being θb1, which satisfies the following condition:

15 degrees < θb1<87 degrees.

25. The optical lens of claim 24, wherein the contact angle is θb1, which satisfies the following condition:

59 degrees < θb1<87 degrees.

26. The optical lens of claim 17, wherein a contact angle is formed between the second inner peripheral surface and the optical portion at an edge of the second light-passing hole, the contact angle being θb2, which satisfies the following condition:

15 degrees < θb2<87 degrees.

27. The optical lens of claim 26 wherein the contact angle is θb2, which satisfies the following condition:

44 degrees < θb2<87 degrees.

28. The optical lens of claim 17, wherein the diameter of the optic isThe diameter of the first light-transmitting hole is +.>Which satisfies the following conditions:

29. the optical lens of claim 17, further comprising:

30. the optical lens of claim 29 wherein the extension has a planar surface and a tapered surface, the planar surface and the tapered surface being in physical contact with the lens.

31. The optical lens of claim 15, wherein the extension further comprises a matting structure that provides the surface profile of the extension with relief.

32. An electronic device, comprising:

the optical lens of claim 1 or 15.