Abstract: A multi-chip packaging structure employing millimeter wave includes a substrate material, a first and a second substrate board and an adhesive layer. The substrate material has a first metal pad. The first substrate board has a first and a second integrated circuit, multiple first metal wirings and multiple second metal pads, which are layer-by-layer stacked and electrically connected. The first and second metal pads are electrically connected via at least one metal lead. The adhesive layer is disposed between the substrate material and the first substrate board. The second substrate board has a third and a fourth integrated circuit, multiple second metal wirings and multiple third metal pads, which are layer-by-layer stacked and electrically connected. The electro-conductive boss blocks are respectively electrically connected with the second and third metal pads. Chips and antennas are integrated to integrate signal height and avoid interference and minify the volume.

Abstract: A millimeter wave power amplifier device has multiple millimeter wave power amplifier circuits. Each millimeter wave power amplifier circuit includes a transistor, a first serial connection resonation unit, a second serial connection resonation unit, multiple first frequency band adjustment units and multiple second frequency band adjustment units. The transistor has a first end connected with an input end, a second end connected with a grounding end and a third end connected with an output end. Each of the first and second frequency band adjustment units has a switch member and two storage members. The switch member and the storage members of the first and second frequency band adjustment units are serially connected. The millimeter wave power amplifier device can achieve multi-frequency band adjustable effect to lower the cost.

Abstract: A non-directional fingerprint and palmprint identification method and a non-directional fingerprint and palmprint data creation method. In the fingerprint and palmprint identification method, a fingerprint and palmprint identification device detects and scans the fingerprints and palmprint of a user to generate a fingerprint and palmprint image and transmit the image to a processor. The processor identifies and calculates the fingerprint and palmprint image to obtain the fingerprint of a specific finger and the palmprint. According to at least one reference line and the fingerprint of the specific finger and the palmprint, the processor identifies and processes the intersection points to generate multiple intersection points.

Abstract: An apparatus for tire pressure monitoring comprises a case, a gas nozzle unit movably connected to the outside of the case, and a structure for tire pressure monitoring which is received in a receiving space in the case. The structure for tire pressure monitoring comprises a main body, a signal processing unit, a sensing unit connected to the signal processing unit, and a power unit to provide power. The main body has a first part and a second part. The first part is disposed on a top side of the second part; the first and the second parts are not on the same plane. The signal processing unit and the sensing unit are disposed on one side of the first part and on the top side of the second part, respectively. The power unit is disposed on a bottom side of the second part.

Abstract: A fingerprint identification unit is directly integrated into a touch panel, a Color Filter (CF), a Thin-Film Transistor (TFT), or a Liquid Crystal Module (LCM) to largely increase the identified sensitivity to solve the problem of the conventional fingerprint identification unit that is required to form on a silicon wafer first.

Abstract: A multi-band antenna structure includes a substrate having a first wiring area located on one side surface thereof. The first wiring area has a first metal trace, a second metal trace and a connecting portion formed therein. The first and the second metal trace are respectively in an elongated spiral pattern; and the connecting portion is electrically connected at two opposite ends to the first and the second metal trace. The multi-band antenna structure can be directly integrated into electrical circuits on a circuit board to provide the advantages of reduced manufacturing cost and capable of transmitting or receiving multiple bands of signals.

Abstract: A liquid crystal device with fingerprint identification function includes an array glass substrate, a colored light filtering glass substrate, an organic light-emitting layer, a pixel display layer and a detection wire and sensation electrode layer. The organic light-emitting layer, the pixel display layer and the detection wire and sensation electrode layer are disposed between the array glass substrate and the colored light filtering glass substrate. The pixel display layer cooperates with the internal wiring and electrode structures of the detection wire and sensation electrode layer to achieve complex functions of displaying, fingerprint detection/identification and touch control.

Abstract: A liquid crystal module with fingerprint identification function includes an array glass substrate, a colored light filtering glass substrate, a liquid crystal material layer, a pixel display layer and a detection wire and sensation electrode layer. The liquid crystal material layer, the pixel display layer and the detection wire and sensation electrode layer are disposed between the array glass substrate and the colored light filtering glass substrate. The pixel display layer cooperates with the internal wiring and electrode structures of the detection wire and sensation electrode layer to achieve complex functions of displaying, fingerprint detection/identification and touch control.

Abstract: A specific multi-band antenna impedance matching circuit and a tire-pressure monitoring device using same are disclosed. The antenna impedance matching circuit includes at least one first, one second and one third inductance unit and at least one first, one second and one third capacitance unit. The first capacitance unit is connected at a first end to first ends of the first and the second inductance unit and at a second end to a ground; the second inductance unit and the second capacitance unit are connected in series; the third inductance unit and the third capacitance unit are connected in parallel; and the third inductance unit is connected at a first end to a first end of the second capacitance unit and at a second end to the ground.

Abstract: A touch device with fingerprint identification function includes a touch unit and a fingerprint identification unit. The touch unit has a touch section and a non-touch section. The non-touch section is disposed around the touch section in adjacency to the touch section. The fingerprint identification unit is disposed on the non-touch section of the touch unit. The fingerprint identification unit is integrated with the touch unit. Therefore, it is unnecessary to additionally form a perforation or a channel on the touch device for arranging the fingerprint identification unit as in the conventional touch device. In this case, the structural strength of the touch device will not be deteriorated. Also, the manufacturing cost can be lowered.

Abstract: A fingerprint identification device is directly integrated with and formed on a touch panel, a color filter (CF), a thin-film transistor (TFT) or a liquid crystal module (LCM). The fingerprint identification device improves the shortcoming of the conventional fingerprint identification device that it is necessary to first manufacture the fingerprint identification device on a silicon wafer and then integrate the fingerprint identification device with another component. Moreover, the fingerprint identification device has much higher fingerprint identification precision.