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Filter Switcher Module Integrated with Lens

A switcher, filter technology, applied in instruments, optics, optical components, etc., can solve the problems of inability to accurately focus the image sensor, focus forward, expansion, etc.

Active Publication Date: 2020-09-15
LITE ON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing infrared filter switch modules are generally made of plastic, which will expand as the room temperature increases.
At this time, the focus of the lens will move forward (Front Focus), the lens will not be able to accurately focus on the image sensor, and the image will become blurred

Method used

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  • Filter Switcher Module Integrated with Lens
  • Filter Switcher Module Integrated with Lens
  • Filter Switcher Module Integrated with Lens

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] figure 1 It is a schematic diagram of an embodiment of the present invention in which the lens integrates and hides the filter switcher. figure 2 yes figure 1 exploded view of the lens integration. image 3 yes figure 1 A sectional view of the lens integration along section line A-A. figure 1 The circuit board 230 is shown in dotted lines, and structures obscured by the circuit board 230 are shown in dotted lines. For clean lines, figure 1 and figure 2 A filter switcher 130 is hidden in the middle. image 3 It is shown that the filter switcher 130 is disposed in the second housing 120 . Please refer to Figure 1 to Figure 3 , the lens integration 200 includes a filter switcher module 100, a lens 210 disposed on one side of the filter switcher module 100, and an image sensor 220 and a circuit board 230 disposed on the other side of the filter switcher module 100, and The image sensor 220 is located at the focal point of the lens 210 and is electrically connect...

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Abstract

The invention provides an optical filter switcher module integrated with a lens, which includes a housing component and an optical filter switcher. The shell assembly includes a first shell and a second shell. The first shell has a first through hole, and the first through hole extends along the axis. The second shell is arranged in the first shell along the axis and partially embedded in the first shell. The second housing has a second through hole corresponding to the first through hole. The coefficient of thermal expansion of the first housing in the direction along the axis is smaller than the coefficient of thermal expansion of the second housing in the direction along the axis. The filter switcher is configured on the second housing and partly corresponds to the position of the second through hole.

Description

technical field [0001] The invention relates to an optical filter switcher module, in particular to an optical filter switcher module applied to lens integration and integrated with a lens. Background technique [0002] Generally, the filterable lens integration is mainly assembled by the filter switch module and the lens (Lens), and the image sensor (Image Sensor) is arranged on the side of the filter switch module relative to the lens, so that the lens The focal point can be accurately focused on the image sensor, wherein the filter switcher module is, for example, an infrared filter switcher (IR-CutFilter Removable, ICR) module. [0003] With the vigorous development of technology, the resolution of the image sensor has become higher and higher, so the sensitivity of the image sensor to the focus of the lens has also increased. However, generally, the existing infrared filter switch modules are made of plastic, which will expand as the room temperature rises. At this ti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/00
CPCG02B7/00G02B7/021G02B17/08
Inventor 朱洪昀
Owner LITE ON TECH CORP
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