Photoelectric detection device and its preparation method, heart rate detection device and electronic equipment
A photoelectric detection and photoelectric conversion technology, applied in the field of microelectronics, can solve problems such as large application limitations and complex measurement circuits, and achieve the effect of reducing assembly, small size, performance and application range constraints.
Active Publication Date: 2021-10-12
BOE TECH GRP CO LTD
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Problems solved by technology
Smart watches usually use electrical signal measurement, vibration measurement, etc. when detecting heart rate. The measurement circuit is relatively complicated and the application limitations are relatively large.
Method used
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[0058] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure.
[0059]In the drawings, the thicknesses of regions and layers may be exaggerated for clarity. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.
[0060] When a structure is "on" another structure, it may mea...
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The disclosure provides a photoelectric detection device and a preparation method thereof, a heart rate detection device and electronic equipment, and belongs to the field of microelectronic technology. The photoelectric detection device includes a base substrate, a first switching device, a photoelectric conversion device, a second switching device and an electroluminescent device, wherein the first switching device is arranged on one side of the base substrate; the photoelectric conversion device is arranged on One side of the base substrate is used to convert optical signals into electrical signals and transmit them to the first switch device; the second switch device is arranged on one side of the base substrate; the light emitting device is arranged on the substrate One side of the base substrate is used to emit light under the control of the second switching device; the light emitting device and the photoelectric conversion device are located on the same side of the base substrate. The photoelectric detection device can be used for heart rate detection.
Description
technical field [0001] The present disclosure relates to the technical field of microelectronics, in particular to a photoelectric detection device and a preparation method thereof, a heart rate detection device and electronic equipment. Background technique [0002] With the development of microelectronics technology, the functions of mobile smart devices are becoming more and more diversified, especially in the field of health. [0003] Taking a smart watch as an example, in addition to functions such as time display, it can also have functions such as heart rate detection. Smart watches usually use electrical signal measurement, vibration measurement, etc. when detecting heart rate. The measurement circuit is relatively complicated and the application limitations are relatively large. [0004] The above information disclosed in this Background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information tha...
Claims
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IPC IPC(8): H01L27/146A61B5/024A61B5/0245
CPCA61B5/02444A61B5/0245H01L27/14605H01L27/14612H01L27/14687
Inventor 牛菁张方振牛亚男彭宽军
Owner BOE TECH GRP CO LTD