Fingerprint monitoring device and electronic equipment
A fingerprint detection and fingerprint recognition module technology, which is applied in the direction of instruments, character and pattern recognition, computer components, etc., can solve problems such as poor security, optical fingerprint sensors cannot identify the target to be tested, and limit the wide application of optical fingerprint sensors. , to achieve the effect of improving the safety
Active Publication Date: 2019-04-26
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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Problems solved by technology
However, optical fingerprint sensors cannot identify whether the target to be tested is a living body, such as a fingerprint or a severed finger, etc., so poor security limits the wide application of optical fingerprint sensors
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[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.
[0027] In the prior art, light emitted by organic light emitting diode (Organic Light Emitting Diode, OLED) pixels passes through the cover plate and is irradiated onto the finger. Due to the difference in optical refractive index between the skin and the air, the reflectance at the interface between the skin and the cover is small, and the reflectance between the air and the cover is large. The above-mentioned reflected light is irradiated onto the photoelectric sensor through ...
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The invention discloses a fingerprint monitoring device and electronic equipment. The fingerprint monitoring device comprises a fingerprint recognition module, a first attaching layer, a light-emitting substrate, a second attaching layer and a first cover plate which are sequentially arranged in a stacked mode from bottom to top. Wherein the fingerprint identification module comprises a first detection device, and the first detection device is used for receiving infrared light emitted by a target object and judging whether the temperature of the target object is within a preset temperature range or not according to the infrared light emitted by the target object when the target object is close to the first cover plate. Therefore, whether the to-be-detected target is a living body or not can be detected, and the safety of the electronic equipment is improved.
Description
technical field [0001] The present application relates to the field of display technology, in particular to a fingerprint monitoring device and electronic equipment. Background technique [0002] In recent years, with the development of science and technology and the improvement of people's requirements for products, a full screen with a screen ratio close to 100% has become a highly anticipated technology for smartphones. In order to achieve an ultra-high screen-to-body ratio, the fingerprint recognition sensor is generally placed under the screen or on the back of the phone. [0003] In the prior art, an optical fingerprint sensor or an ultrasonic fingerprint sensor can be placed under the OLED screen to realize the full-screen technology. However, the optical fingerprint sensor cannot identify whether the target to be tested is a living body, such as a fingerprint or a severed finger, so poor security limits the wide application of the optical fingerprint sensor. [000...
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IPC IPC(8): G06K9/00
CPCG06V40/1324
Inventor 杨汉宁
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD