Digital camera lens

A digital camera and lens technology, applied in the direction of optical components, optics, instruments, etc., can solve problems such as unsatisfactory, and achieve the effect of reducing weight and small pixel size

Inactive Publication Date: 2008-03-26
南通天木绝缘复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] U.S. Patent No. 6,441,971 announced on August 27, 2002 discloses another digital camera lens that adopts a partial aspheric lens. The digital camera lens includes a first lens, a second lens and a third lens in turn from the object side. lens, the first lens is a glass lens with spherical surfaces on both sides, the second lens and the third lens are plastic aspheric lenses, although the first lens can better protect the lens from scratches, the highest pixel can only Reached 640 pixels x 480 pixels, thus unable to meet today's increasing requirements for higher pixels

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Embodiment Construction

[0015] Please refer to Fig. 1, the digital camera lens of the present invention comprises a first lens 1, a second lens 2, a third lens 3 and a lens 4 sequentially from the object side, wherein Z 1 represents the object space, Z 2 Representing the image space, the digital camera lens also includes a first lens 1 close to the object space Z 1 A diaphragm 5 is provided on one side of the digital camera, and the diaphragm 5 is used to adjust the amount of light reflected by the external object into the lens of the digital camera. In addition, when the lens 4 is close to the image side Z 2 An image sensing component 6 is disposed on one side thereof, and the image sensing component 6 includes an image sensing surface 61 .

[0016] The first lens 1 is a double-convex double-sided aspheric lens, including two aspherical surfaces 12, 14, wherein the aspheric surface 12 is convex to the object side, and the aspheric surface 14 is concave to the object side. The first lens 1 is a pos...

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Abstract

The digital camera lens includes the first lens, which is biconvex two-sided aspherical lens made of glass material; the second lens, which includes one aspherical surface concave to object space and made of plastic; and the third lens, which includes two aspherical surfaces and made of plastic arranged successively from the object space to the image space. Adopting aspherical lenses in the digital camera lens makes it possible to correct various kinds of optical aberration. In addition, the digital camera lens with only three aspherical lenses can reach the requirement of high pixels.

Description

technical field [0001] The invention relates to a digital camera lens for a mobile phone that can be matched with a high-pixel image sensing component. Background technique [0002] With the development of multimedia technology, digital cameras and video cameras are more and more favored by consumers. People are increasingly pursuing their miniaturization. To achieve the function of capturing object images and obtain a clear picture, it is necessary to design and manufacture a digital camera lens that can be easily installed in a mobile phone. Due to the small volume of the mobile phone, higher requirements are placed on the volume of the digital camera lens installed in it, that is, the volume of the digital camera lens used in this mobile phone needs to be smaller, so that it can also capture the image of the object. The quality puts forward higher requirements, that is, the image of the object to be photographed is still clear while the volume is reduced, and the imaging...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B13/18
Inventor 孙文信李俊佑
Owner 南通天木绝缘复合材料有限公司
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