Abstract: A contact lens device includes a hydrogel substrate, a first conductive element, a second conductive element, an EO (Electro-Optical) crystal element, a light source, a light waveguide, a light sensor, and a processor. The first conductive element is disposed on the hydrogel substrate. The second conductive element is disposed on the hydrogel substrate. The EO crystal element is disposed between the first conductive element and the second conductive element. The EO crystal element is affected by a human electric field. The light source transmits an incident light signal. The EO crystal element transmits back a reflected light signal according to the incident light signal. The light waveguide respectively guides the incident light signal and the reflected light signal. The light sensor receives the reflected light signal from the light waveguide. The processor can obtain the relative information of the human electric field according to the reflected light signal.

Abstract: A detection device includes an HBC (Human Body Communication) module, a first coupler, a first ADC (Analog-to-Digital Converter), an electrode element, a second coupler, a second ADC, a signal processor, and a tunable matching circuit. The HBC module generates an HBC signal. The first coupler generates a first branch signal according to the HBC signal. The first ADC converts the first branch signal into a first digital signal. The electrode element receives a physiological signal from a human body portion. The second coupler generates a second branch signal according to the physiological signal. The second ADC converts the second branch signal into a second digital signal. The signal processor generates a control signal according to the first digital signal and the second digital signal, thereby adjusting the impedance value of the tunable matching circuit.

Abstract: A wearable device includes a light modulator, a light source, a light waveguide, a light sensor, a processor, and a carrier element. The light modulator receives a human electric field. The light source generates a light communication signal. The light waveguide is adjacent to the light modulator. The light waveguide is configured to transmit the light communication signal. The light sensor receives the light communication signal from the light waveguide. The processor is coupled to the light sensor. The light modulator, the light source, the light waveguide, the light sensor, and the processor are disposed on the carrier element. The processor can obtain the relative information of the human electric field according to the phase change in the light communication signal.

Abstract: A communication device includes a first FSS (Frequency Selective Surface) element, a second FSS element, a feeding radiation element, a first electron gun, and a first electron collector. The second FFS element is adjacent to the first FSS element. The feeding radiation element generates an electromagnetic signal. The electromagnetic signal is propagated by using the first FSS element and the second FSS element. The first electron gun transmits a first electron beam. The first electron collector receives the first electron beam. An antenna structure is formed by the first FSS element, the second FSS element, and the feeding radiation element. A coupling effect is induced between the first electron beam and the electromagnetic signal, such that the radiation energy of the electromagnetic signal is enhanced.

Abstract: A wearable device interacting with a computing device includes a fingerprint identification module, a pressure sense module, a verification chip, and a processor. The fingerprint identification module receives a fingerprint signal. The fingerprint identification module performs a first verification process on the fingerprint signal. The pressure sense module receives a touch signal. The pressure sense module generates a pending signal according to the touch signal. The verification chip performs a second verification process on the pending signal. The processor is coupled to the fingerprint identification module and the verification chip. The processor is selectively operated in a locked mode or an unlocked mode. If both the first verification process and the second verification process are passed, the processor will enter the unlocked mode.

Abstract: A detection device includes a plurality of capacitive sensors, a transmission antenna, a reception antenna, a radar module, a carrier module, and a processor. The capacitive sensors detect first information of a human body portion in a first direction, and detect second information of the human body portion in a second direction. The radar module uses the transmission antenna to transmit a radar signal to the human body portion. The radar module uses the reception antenna to receive a reflection signal from the human body portion. The radar module detects third information of the human body portion in a third direction according to the reflection signal. The capacitive sensors, the transmission antenna, and the reception antenna are disposed on the carrier element. The processor estimates status information of the human body portion according to the first information, the second information, and the third information.

Abstract: A detection device for detecting an eyeball includes a frame element, a transceiver, and a contact lens element. The transceiver is disposed on the frame element. The transceiver transmits a first RF (Radio Frequency) signal. The contact lens element includes a resonator. The resonator converts the first RF signal into a first ultrasonic signal. The first ultrasonic signal is transmitted to the eyeball. The resonator converts a second ultrasonic signal from the eyeball into a second RF signal. The transceiver receives the second RF signal.

Abstract: A detection device for detecting an object includes a camera module, an image processing module, and a radar module. The camera module obtains an image of the object. The image processing module analyzes the image, so as to define the target sensing zone and generate a radar setting value. The radar module is controlled by the image processing module. The radar module is selectively operated in a first resolution mode or a second resolution mode. Initially, the radar module is operated in the first resolution mode. In the second resolution mode, the radar module detects a specific portion of the object within the target sensing zone according to the radar setting value.

Abstract: A wearable device includes a PCB (Printed Circuit Board), a fan element, a radar module, an IMU (Inertial Measurement Unit), and a processor. The fan element is disposed on the PCB. The radar module is adjacent to the fan element. The radar module detects the rotation state of the fan element, so as to generate a detection signal. The IMU is disposed on the PCB. The IMU measures the movement state of the PCB, so as to generate measurement data. The processor calibrates the measurement data according to the detection signal, so as to output a calibration measurement result.

Abstract: A wearable device includes a carrier element, a wearable element, a SIP (System-In-Package) IC (Integrated Circuit), a first antenna element, and a second antenna element. The wearable element is connected to the carrier element. The SIP IC includes a first transceiver and a second transceiver. The SIP IC is disposed on the carrier element. The first antenna element is coupled to the first transceiver. The first antenna element is integrated with the SIP IC. The second antenna element is coupled to the second transceiver. The second antenna element is integrated with the carrier element.

Abstract: A communication system includes a contact lens element and a wearable device. The contact lens element has a communication function. The wearable device includes a transceiver circuit, a first metal structure, a second metal structure, and a reflector. The transceiver circuit includes a wireless communication circuit and a wireless charge circuit. The first metal structure is coupled to the wireless communication circuit. The first metal structure is configured to communicate with the contact lens element. The second metal structure is coupled to the wireless charge circuit. The second metal structure is configured to provide electric power for the contact lens element. The reflector is adjacent to the first metal structure and the second metal structure, so as to reflect radiation energy from the first metal structure and the second metal structure.

Abstract: An image sensing device includes a frame body, a lens group, a position adjuster, multiple antenna elements, and an image sensing element. The frame body has an accommodating space. The lens group is disposed in the accommodating space. The position adjuster is connected between the lens group and the frame body, and configured to allow the lens group to move in the accommodating space. The antenna elements are disposed on a second side of the lens group, and configured to provide sensing beams to a target area. The image sensing element is disposed on the second side of the lens group, and configured to sense reflected light beams of the target area. In addition, a head-mounted display device is also provided.

Abstract: A contact lens and an eye tracking device are provided. The contact lens includes a first type polarization structure and a second type polarization structure. The first type polarization structure is disposed in a first area of the contact lens, and the first area surrounds a center area of the contact lens. The second type polarization structure is disposed in a second area of the contact lens, and the second area surrounds the first area. The first type polarization structure and the second type polarization structure have different polarization directions.

Abstract: A detection device includes a plurality of capacitive sensors, a transmission antenna, a reception antenna, a radar module, a carrier module, and a processor. The capacitive sensors detect first information of a human body portion in a first direction, and detect second information of the human body portion in a second direction. The radar module uses the transmission antenna to transmit a radar signal to the human body portion. The radar module uses the reception antenna to receive a reflection signal from the human body portion. The radar module detects third information of the human body portion in a third direction according to the reflection signal. The capacitive sensors, the transmission antenna, and the reception antenna are disposed on the carrier element. The processor estimates status information of the human body portion according to the first information, the second information, and the third information.

Abstract: A contact lens, suitable for a head-mounted display device, includes a first optical structure layer, a second optical structure layer and a third optical structure layer. The first optical structure layer receives an optical signal, wherein the first optical structure layer is divided into a plurality of partitions, and the partitions respectively have a plurality of structural bodies with different structures, and the structural bodies receive the optical signal and generate a plurality of imported optical signals. The second optical structure layer and the first optical structure layer are overlapped, and configured to transmit the imported optical signals to the third optical structure layer. The third optical structure layer and the second optical structure layer are overlapped, and configured to transmit the imported optical signals to a target area.

Abstract: A communication device includes a signal source, a connection element, an antenna element, a piezoelectric element, a controller, and a reflector. The signal source generates an RF (Radio Frequency) signal. The antenna element is coupled through the connection element to the signal source. The antenna element generates a wireless signal according to the RF signal. The piezoelectric element adjusts the antenna element according to a control signal. The controller generates the control signal. The reflector is configured to reflect the wireless signal.

Abstract: An image sensing device, including multiple lens groups, a connector, at least one antenna element, and multiple image sensing elements, is provided. Each lens group includes multiple lens elements arranged along an optical axis from a first side. The connector includes multiple first parts and multiple second parts. The second parts are connected between the first parts. The antenna elements are respectively disposed on the first parts and are configured to provide multiple sensing beams to a target area toward the first side. The image sensing elements are respectively disposed on a side of the lens groups facing a second side and are configured to sense a reflected light beam of the target area. The direction of the second side is opposite to the direction of the first side.

Abstract: A detection device for detecting an object under test includes a radar module, a waveguide element, and a first antenna element. The waveguide element is coupled to the radar module. The first antenna element is disposed on the waveguide element. The radar module generates a first electromagnetic incident wave. The first antenna element transmits the first electromagnetic incident wave toward the object. The first antenna element receives a first electromagnetic reflection wave from the object. The radar module processes the first electromagnetic reflection wave. The first electromagnetic incident wave and the first electromagnetic reflection wave are propagated through the waveguide element.

Abstract: A contact lens for communication includes a display unit, an antenna element, a first ring-shaped metal structure, a second ring-shaped metal structure, and a transparent element. The antenna element is adjacent to the display unit. The display unit and the antenna element are surrounded by the first ring-shaped metal structure. The first ring-shaped metal structure is surrounded by the second ring-shaped metal structure. The display unit, the antenna element, the first ring-shaped metal structure, and the second ring-shaped metal structure are disposed on the transparent element.

Abstract: A projection system includes an optical device, a positioning device, and a projector. The optical device has a substrate and at least two positioning components, and the at least two positioning components are respectively disposed on multiple different areas of the substrate. The positioning device performs positioning on the optical device according to the positioning component on the substrate and generates a position signal. The projector projects an image light beam to the optical device, receives the position signal, and determines a projection direction of the image light beam according to the position signal.