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Multispectral transmitting and receiving integrated sensor and detection circuit

A multi-spectral and sensor technology, applied in the direction of using optical devices to transmit sensing components, circuits, semiconductor devices, etc., can solve the problems of single spectrum and narrow application range, and achieve the effect of wide application range

Pending Publication Date: 2020-09-25
深圳成光兴光电技术股份有限公司
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a multi-spectral emission and reception integrated sensor and detection circuit, aiming at solving the problem that the existing integrated photoelectric sensor has a narrow application range due to the single emission spectrum

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, and therefore cannot be constru...

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Abstract

The invention provides a multispectral transmitting and receiving integrated sensor and a detection circuit. According to the invention, the plurality of light emitting wafers and the plurality of photoelectric receiving diode wafers are packaged in different space areas, and the two areas are isolated by the lightproof light isolation part, so that the light can only enter the receiving area in areflection mode. The functions that light with the specified wavelength is emitted out and reflected back through a detection object, and a photoelectric receiving diode wafer converts optical signalchanges into electric signals are achieved. According to the structure of the sensor, different light emitting wafer (or light source) combinations can be selected for packaging according to application requirements, the packaged sensor integrates light emitting wafers of various spectrums at the same time, and the light emitting wafer of a certain spectrum can be driven to emit light according to different application requirements. Therefore, the sensor provided by the invention has a relatively wide application range.

Description

technical field [0001] The invention belongs to the field of reflective integrated photoelectric sensors, in particular to a multi-spectral emission and reception integrated sensor and a detection circuit. Background technique [0002] The integrated photoelectric sensor encapsulates the light source for emitting light and the light source for receiving light into one body. The current integrated photoelectric sensor is only equipped with a single-spectrum light source inside, and the sensor is limited by its emission spectrum, so it can only be used in occasions that are compatible with the single spectrum, and the scope of application is narrow. [0003] Therefore, it is necessary to develop a sensor with multi-spectral emission and reception functions. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a multi-spectral emission and reception integrated sensor and a detection circuit, aiming to solve the problem ...

Claims

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Application Information

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IPC IPC(8): H01L31/12H01L31/0203G01D5/26
CPCG01D5/26H01L31/0203H01L31/125
Inventor 胡自立彭红村何细雄王卫国
Owner 深圳成光兴光电技术股份有限公司
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