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Optical structure

An optical structure and band-pass filter technology, applied in the field of optical structure, can solve problems such as the development of miniaturization of semiconductor components, and achieve the effects of eliminating reflection and refraction, and reducing dispersion.

Pending Publication Date: 2022-05-27
VISERA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the vertically stacked plastic lens group, the vertical height of the infrared camera device is greater than 3.5 mm, which is not conducive to the development of miniaturization of semiconductor components

Method used

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Embodiment Construction

[0084] The optical structure of the present invention is described in detail in the following description. In the following description, for the purposes of explanation, numerous specific details and examples are set forth in order to provide a thorough understanding of the present disclosure. The specific elements and configurations described in the following embodiments are set forth to clearly describe the present disclosure. It will be apparent, however, that the exemplary embodiments set forth herein are for illustrative purposes only and that inventive concepts may be embodied in various forms and are not limited to those exemplary embodiments. Furthermore, the drawings of different embodiments may use like and / or corresponding numerals to refer to like and / or corresponding elements in order to clearly describe the present disclosure. However, the use of like and / or corresponding numbers in the drawings of different embodiments does not imply any correlation between the...

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Abstract

The invention provides an optical structure. The optical structure includes a sensor, a band-pass filter, and a plurality of protrusions. The band-pass optical filter is arranged above the sensor. The protruding object is arranged on the band-pass optical filter. The band-pass optical filter allows light with the wavelength ranging from 700 nanometers to 3000 nanometers to pass through. The protrusions have a size distribution that controls the phase of incident light to be between 0 and 2 [pi].

Description

technical field [0001] The present invention relates to an optical structure, in particular to an optical structure with a flat lens. Background technique [0002] Current infrared camera devices include near-infrared (NIR) complementary metal-oxide-semiconductor (CMOS) image sensors, band-pass filters, and plastic lens sets. The band-pass filter is arranged above the near-infrared CMOS image sensor. The plastic lens group includes a plurality of lenses vertically stacked on the bandpass filter. Due to the vertically stacked plastic lens groups, the vertical height of the infrared camera device is greater than 3.5 mm, which is not conducive to the development of the miniaturization of semiconductor components. [0003] Therefore, it is highly desirable to develop an optical structure with a low vertical height, while maintaining a suitable optical effect. SUMMARY OF THE INVENTION [0004] According to an embodiment of the present invention, an optical structure is provi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/146G06K9/00
CPCH01L27/14625H01L27/14627H01L27/14634G02B5/208G02B5/281G02B1/14G02B5/287G02B1/002G02B2207/101B82Y20/00G01J3/513G02B3/08H01L27/14618G01J1/0204G01J1/0411G01J1/0488G01J3/0208G01J3/0256H04N23/55H04N23/54G02B5/20G02B3/0043G02B1/02G02B1/04H01L27/146G06V40/1318G06V10/147
Inventor 谢锦全林国峰何偲瑜
Owner VISERA TECH CO LTD