Oriental System Technology Inc.

Contek Life Science Co., Ltd.

Sipix Imaging, Inc.

Chein-Hsun Wang

Jenping Ku

Ming Le

Wen-Chie Huang

Chen-Tang Huang

Yu-Chih Liang

Chein-Hsing Yu

Tung-Yang Lee

Chih-Yung Tsai

Yen Ju Lo

Chun-Chiang Chen

Da-Jun Lin

Ming-Tsung Yang

Tung Yang Lee

Dai-Chi Wu

Wen-Chang Yu

A temperature sensing device includes a substrate, a first reflective module, a first window cover, and a dual thermopile sensor. The first reflective module is disposed on the substrate, including a first mirror chamber with a narrow field of view (FOV), and the first reflective module focuses a thermal radiation from measured object to a first image plane in the first mirror chamber. The first window cover is disposed on the first reflective module, and the first window cover allows a selected band of the thermal radiation to pass through. The dual thermopile sensor is disposed on the substrate and located in the first mirror chamber, and the dual thermopile sensor senses a temperature data from the first image plane. Additional second reflective module, LED source plus pin hole with same FOV of dual thermopile sensor can illuminate the measured object for ease of placement of object to be heated.

Temperature sensing device

An infrared thermopile sensor includes a silicon cover having an infrared lens, an infrared sensing chip having duo-thermopile sensing elements, and a microcontroller chip calculating a temperature of an object. The components are in a stacked 3D package to decrease the size of the infrared thermopile sensor. The infrared sensing chip and the microcontroller chip have metal layers to shield the thermal radiation. To measure object temperature accurately under acute change in environmental temperature, this disclosure uses the duo-thermopile sensing elements, that one is the active unit for measuring the object temperature and another one is the dummy unit for compensating the effect from the package structure.

Infrared thermopile sensor

An infant care apparatus includes a piezoelectric sensor and an infrared array sensor. The piezoelectric sensor senses a respiration rate and a heart rate of an infant. The infrared array sensor senses a body temperature and an occupancy state of the infant in a non-contact manner. The abovementioned infant care apparatus can assist in determining an abnormality of the respiration rate and the heart rate of the infant based on the occupancy state of the infant output by the infrared array sensor, so as to reduce a false alarm rate.

Infant care apparatus

An infrared thermopile sensor includes a silicon cover having an infrared lens, an infrared sensing chip having duo-thermopile sensing elements, and a microcontroller chip calculating a temperature of an object. The components are in a stacked 3D package to decrease the size of the infrared thermopile sensor. The infrared sensing chip and the microcontroller chip have metal layers to shield the thermal radiation. The conversion from wrist temperature to body core temperature uses detected ambient temperature and fixed humidity or imported humidity level to calculate the body core temperature based on experimental data and curve fitting. The skin temperature compensation can be set differently for different sex gender, different standard deviation of wrist temperature and external relative humidity reading.

An infrared temperature sensor comprises a first communication port and a second communication port. A plurality of infrared temperature sensors can be cascaded to each other and connected to an external host controller through the second communication port. The external host controller can set up and administer the unique addresses of the plurality of the infrared temperature sensors through the second communication port, whereby to selectively perform multicasting communication or unicasting communication with the plurality of infrared temperature sensors through the first communication port. The infrared temperature sensor further comprises a second thermopile sensing element used to sense the thermal radiation of a package structure, whereby to compensate for the measurement error induced by temperature variation of the package structure. Thus, the measurement accuracy is increased.

Infrared temperature sensor

A thermal sensor package for earbuds includes two thermopile sensor elements on a single thermopile sensor chip, and the two thermopile sensor elements are separated by a block wall of a cap. One of the thermopile sensor elements senses external infrared thermal radiation through a window of the cap, and the other thermopile sensor element senses internal infrared thermal radiation from a package structure as a basis for correcting compensation. Therefore, the foregoing thermal sensor package for earbuds can quickly correct a measurement error caused by the package structure to improve the measurement accuracy. In addition, the forgoing thermal sensor package for earbuds has a simple packaging step and is easy to arrange a silicon based infrared lens to expand its application.

Thermal sensor package for earbuds

An ultrasonic biometric sensor comprises a detection chip. The detection chip includes a substrate, an ultrasonic transducer array and a control circuit. The ultrasonic transducer array is arranged on the substrate, including a plurality of arrayed piezoelectric elements. Each piezoelectric element is disposed on a floating membrane. The floating membrane is suspended in the opening side of a cavity by at least one support arm extending transversely. The control circuit is also arranged on the substrate and electrically connected with each piezoelectric element through the support arm to control the ultrasonic transducer array to generate an ultrasonic signal and read the reflected ultrasonic signal received by the ultrasonic transducer array. The ultrasonic biometric sensor is easy to fabricate and has a high yield.

Ultrasonic biometric sensor

A dryer includes a cylinder, a heater, a motor, a temperature sensor and a controller. The heater heats air and delivers the heated air into the cylinder. The motor is used to drive the cylinder to rotate. The temperature sensor includes a thermopile array sensor and a signal processor. The thermopile array sensor is used to sense an infrared light radiated from clothing and output a sensing signal. The signal processor is used to process the sensing signal to obtain at least one of a temperature distribution uniformity and an average temperature of the clothing, and output a control signal according to the at least one of the temperature distribution uniformity and the average temperature of the clothing. The controller determines to stop the drying schedule according to the control signal. The above-mentioned dryer can stop the drying schedule automatically, so as to save energy.

Dryer

A capacitive fingerprint sensor includes a plate, a frame, a capacitive fingerprint sensor chip and a package body. The plate comprises a first surface, an opposite second surface and a plurality of first conductive pads arranged on the first surface. A plurality of second conductive pads and third conductive pads are respectively arranged on opposite surfaces of the frame, wherein the second conductive pads are electrically connected with the corresponding first conductive pads and third conductive pads. The capacitive fingerprint sensor chip is disposed at the central area of the frame by a flip chip manner and electrically connected with the first conductive pads. The package body is filled in the central area of the frame to cover the chip. The above-mentioned sensor has a flat sensing surface with wear resistance and better ESD toleration. A package method of the above-mentioned sensor is also disclosed.

Capacitive fingerprint sensor and package method thereof

A capacitive fingerprint sensor includes a compensation memory which stores a direct current offset parameter and a gain compensation parameter of each sensing unit of a capacitive sensing array. Therefore, the above-mentioned capacitive fingerprint sensor is able to individually compensate sensing signals measured by each the sensing unit and the sensing signals measured by each sensing unit have better uniformity and signal to noise ratio (SNR).

Capacitive fingerprint sensor

In an embodiment, a display module comprises a temperature sensor configured to provide temperature information; a transmission interface, coupled to an external chip of the IC card; a processing module, coupled to the temperature sensor and the transmission interface, comprising: a storage device comprising an application software program; and a processing unit, coupled to the storage device, configured to be capable of executing the application software program to access data from the external chip via the transmission interface, obtaining the temperature information from the temperature sensor, and outputting a control signal according to the temperature information and data; a display driver, coupled to the processing module, configured to be capable of receiving the control signal and generating a driving signal according to the control signal; and a display film capable of displaying images, coupled to the display driver, and configured to be capable of displaying information according to the driving signal.

Growing community of inventors

Hsin-Chu, Taiwan

Chein-Hsun Wang