Acer Inc.

Vivotek Inc.

Hewlett Packard Enterprise Development LP

National Yang Ming Chiao Tung University

Chih-Chiang Chen

Jui-Chieh Hsiang

Chueh-Pin Ko

Tai Ju

Jia-Yu Lin

Chuan-Jung Wang

Chao-Kuang Yang

Wen-Cheng Hsu

Chao-Shih Huang

Jin-Ting Kuo

Chih-Wen Huang

Ling-Fan Tsao

Shuo-Jung Chou

Hsu-Hsiang Tseng

Hung-Chi Chen

Yen-Shuo Huang

Yu-Shan Ruan

Kung-Cheng Lin

Tzu-Tseng Chan

Ruey-Ching Shyu

Yu-Chieh Huang

Yi-Chang Lai

Patrick A Raymond

Raghavan V Venugopal

Ching-Kuang C Tzuang

Jen-Chih Wu

Chin-Lung Chiang

Eric Choi

Yui-Juin Liu

Po-Chun Tsao

Yung-Jen Lin

A charging method with hysteresis includes the steps of: performing a pre-determination process to check whether the battery temperature of a battery cell is higher than or equal to a predetermined temperature; if the battery temperature is higher than or equal to the predetermined temperature, enabling a hysteresis mechanism; Upon the hysteresis mechanism, initially charging the battery cell with a small charging current; performing a first determination process to check whether the battery temperature decreases to a first threshold temperature; if the battery temperature decreases to the first threshold temperature, charging the battery cell with a large charging current; performing a second determination process to check whether the battery temperature increases to a second threshold temperature; and if the battery temperature increases to the second threshold temperature, charging the battery cell with the small charging current.

Charging method with hysteresis and mobile device thereof

A display device including a first substrate, a second substrate, a first electrode, a second electrode and a display medium layer is provided. The first electrode entirely covers a surface of the first substrate and is provided with a first voltage input terminal, a second voltage input terminal and a third voltage input terminal. The first voltage input terminal and the second voltage input terminal are respectively located on two opposite side edges of the first electrode. The third voltage input terminal is located between the first voltage input terminal and the second voltage input terminal. The second electrode entirely covers a surface of the second substrate and is provided with a fourth voltage input terminal and a fifth voltage input terminal. The fourth voltage input terminal and the fifth voltage input terminal are respectively located on two opposite side edges of the second electrode.

Display device

Disclosed are a display device and an operating method thereof. The display device includes an eye tracking circuit, a main display, an extended display, and an image processing circuit. By the eye tracking circuit disposed in the main display, the image processing circuit obtains a viewing position of eyes of a user. The image processing circuit divides an original image into a first partial image and a second partial image. The first partial image is adapted to be displayed on the main display, and the second partial image is adapted to be virtually displayed on an extended virtual display. The image processing circuit converts any pixel position on the extended virtual display into a corresponding pixel position on the extended display based on the viewing position, so as to convert the second partial image into a converted second partial image to be displayed on the extended display.

Display device and operating method thereof

An electronic device with antibacterial effect detection and a portable device are provided. The electronic device includes an antibacterial housing, a light emitting unit, a light receiving unit and a processing unit. The antibacterial housing has a concave hole, which gradually shrinks from the inside to the outside. The light emitting unit is arranged under the concave hole of the antibacterial housing. The light emitting unit is used for emitting a detection light toward an inclined side wall of the concave hole. The light receiving unit is arranged under the concave hole of the antibacterial housing. The light receiving unit is used for receiving a detection light reflected from the inclined side wall of the concave hole. The processing unit is used for analyzing the antibacterial effect of the antibacterial housing according to the detection light.

Electronic device with antibacterial effect detection and portable device

A power delivery system includes a PD source device and a PD sink device. The PD source device is configured to detect its connection status with the PD sink device and determine whether its power supply is high-voltage operation. When determining that the PD source device is supplying high-voltage power and detecting that the PD source device is detached from the PD sink device, the PD source device is configured to provide an oscillating rapid discharging path for its output capacitor, thereby rapidly reducing its output voltage and suppressing electrical arc.

Power delivery source device and power delivery system with electric arc suppression

A power supply device is provided. The power supply device includes a housing, a power converter, a controller, multiple humidity sensitive capacitors, and a feedback circuit. The housing has multiple joints. The controller controls the power converter to provide an output voltage. The humidity sensitive capacitors are respectively configured in the housing and adjacent to a corresponding joint of the joints. The humidity sensitive capacitors jointly provide a sensing capacitance value. The feedback circuit changes a gain value and a compensation bandwidth of the output voltage in response to the change of the sensing capacitance value. When the humidity of at least one of the joints increases, the sensing capacitance value is reduced, so that the gain value and the compensation bandwidth are reduced.

Power supply device with protection function when water ingress occurs

A keyboard device with a display panel including a base, a scissors feet assembly movably disposed on the base, an elastic member disposed on the base, a display panel supported by the scissors feet assembly and the elastic member, and multiple light transmittance keycaps disposed on the display panel is provided. The display panel has multiple display surfaces, multiple hollow portions, and multiple elastic portions. Each of the display surfaces is surrounded by the hollow portions, and is suspended between the hollow portions by the elastic portions. The light transmittance keycaps respectively and correspondingly cover the display surfaces.

Keyboard device with display panel

An electronic apparatus and a load adjusting method thereof are provided. The method includes the following steps. Powering of an external power supply is detected. A self-power consumption time of the battery from a full capacity to a preset capacity is calculated and recorded when the powering of the external power supply is detected. A first average value of multiple self-power consumption times recorded within a preset period from a current time is calculated, and the first average value is compared with a second average value of the self-power consumption times of a previous preset period of the preset period. A value of a power limit for controlling the electronic apparatus to enter a load adjusting state is adjusted according to a comparison result.

Adjusting power limit in electronic apparatus based on self-power consumption time averages of battery

A detection device and a detection method for a light emitting element are provided. The detection device includes a piezoelectricity sensor and a light sensing circuit. The piezoelectricity sensor includes a first piezoelectricity element, wherein the first piezoelectricity element is used to contact a first electrode of the light emitting element to cause a first deformation of the first piezoelectricity element. The first piezoelectricity element generates a first voltage based on the first deformation to power the first electrode. A second electrode of the light emitting element is coupled to a reference voltage. The light sensing circuit is used to sense whether the light emitting element powered by the first voltage emits light.

Detection device and detection method for light emitting element

A display apparatus including a display panel, a camera module, and a diffraction suppression device is provided. The display panel is provided with multiple signal lines and multiple display pixels. The signal lines and the display pixels are alternately arranged along at least one direction. The camera module has a light receiving surface facing the display panel. The light receiving surface is overlapped with the display panel. The diffraction suppression device is disposed between the display panel and the camera module, and has multiple first light-transmitting regions and multiple second light-transmitting regions alternately arranged along the at least one direction. The first light-transmitting regions are respectively overlapped with the display pixels. The second light-transmitting regions are respectively overlapped with the signal lines. The diffraction suppression device has a first refractive index in the first light-transmitting regions and a second refractive index in the second light-transmitting regions. The first refractive index is greater than the second refractive index.

Display apparatus

A battery module for monitoring and suppressing battery swelling and interacting with a charging device includes a battery cell disposed in a nonconductive housing, a conductive label affixed to the nonconductive housing, a switch, and a controller. The battery cell is charged via a supply voltage from a charging device. The switch is coupled between the battery cell and the conductive label. The controller detects a resistance variation value ΔR of the conductive label as result of swelling of the nonconductive housing, and generates a corresponding control voltage. As the resistance of the conductive label increases, the supply voltage may be adjusted downward according to the control voltage. If the resistance variation value ΔR conductive label is greater than or equal to a predetermined threshold, the controller closes the switch, and the battery cell may then fully discharge through the conductive label.

Battery module and method for suppressing battery swelling

A pixel structure is provided. The pixel structure includes a display unit and a shading unit, and at least a portion of the shading unit is disposed on the display unit. The display unit includes a pixel switch element and a self-illuminating element, and the self-illuminating element is electrically connected to the pixel switch element. The shading unit includes a shading electrode and a shading layer, and the shading layer is disposed on the self-illuminating element and electrically connected to the shading layer.

Pixel structure and display device using the same

A manufacturing method of a display device is provided. The manufacturing method of the display device includes forming a switching structure. The switching structure includes a plurality of switching elements. The manufacturing method of the display device also includes forming a light-emitting structure. The light-emitting structure includes a plurality of light-emitting elements. The manufacturing method of the display device further includes arranging the light-emitting structure on the switching structure, so that each of the light-emitting elements is above each of the switching elements. The manufacturing method of the display device includes connecting each of the light-emitting elements to a corresponding switching element via a laser.

Growing community of inventors

New Taipei, Taiwan

Chih-Chiang Chen