An example processing system for a capacitive input device includes a first interface coupled to at least one first electrode of at least one lighting element and a second interface coupled to at least one second electrode of the at least one lighting element spaced apart from the at least one first electrode. A controller is configured to: forward-bias the at least one lighting element during first time periods to provide illumination; drive the at least one first and the at least one second electrodes with substantially the same voltage during second time periods; and drive the at least one first electrode with a modulated voltage relative to a reference voltage while guarding the at least one second electrode during third time periods to measure capacitance. A determination module is configured to determine presence of at least one input object in a sensing region based on changes in the capacitance.

An example processing system for a capacitive input device includes a first interface coupled to at least one first electrode of at least one lighting element and a second interface coupled to at least one second electrode of the at least one lighting element spaced apart from the at least one first electrode. A controller is configured to: forward-bias the at least one lighting element during first time periods to provide illumination; drive the at least one first and the at least one second electrodes with substantially the same voltage during second time periods; and drive the at least one first electrode with a modulated voltage relative to a reference voltage while guarding the at least one second electrode during third time periods to measure capacitance. A determination module is configured to determine presence of at least one input object in a sensing region based on changes in the capacitance.

A display system including an information processing device, a projector (a first projector), and a projector (a second projector) includes a first sensing unit sensing a first event which occurs by an operation of an indicator with respect to an image projected from the first projector; a second sensing unit sensing a second event which occurs by the operation of the indicator with respect to an image projected from the second projector; a replacement unit replacing a set of first event information representing the first event and second event information representing the second event with third event information representing a predetermined third event, in a case where the first event and the second event satisfy predetermined conditions; and a processing unit performing processing corresponding to the third event information.

A display system including an information processing device, a projector (a first projector), and a projector (a second projector) includes a first sensing unit sensing a first event which occurs by an operation of an indicator with respect to an image projected from the first projector; a second sensing unit sensing a second event which occurs by the operation of the indicator with respect to an image projected from the second projector; a replacement unit replacing a set of first event information representing the first event and second event information representing the second event with third event information representing a predetermined third event, in a case where the first event and the second event satisfy predetermined conditions; and a processing unit performing processing corresponding to the third event information.

An optical fingerprint sensing apparatus, a driver apparatus, and an operation method are provided. The driver apparatus includes a display driving device and a fingerprint sensing driving device. The display driving device drives the display panel to display different frames with different luminances, and the different frames are used to generate at least one of different transmitted light intensities and different reflected light intensities. The fingerprint sensing driving device drives the display panel to perform a fingerprint capturing operation to capture a plurality of different fingerprint images of a finger under the at least one of the different transmitted light intensities and the different reflected light intensities. The different fingerprint images are processed to generate a processed fingerprint image.

A pen-typed navigation device includes a housing, a pen tip, a pressure detecting unit, and a navigation module having an optical large depth of field detecting unit and a processing unit. The pen tip is disposed on the housing. The pressure detecting unit is disposed on the pen tip to detect a pressure of the pen tip applied to a working plane. The optical large depth of field detecting unit is disposed by the pen tip and has a specific range about the depth of field, and can detect movement information of the pen tip relative to the working plane while a distance between the pen tip and the working plane is smaller than the foresaid specific range. The processing unit is adapted to acquire navigation information generated by the pen tip according to detection result of the pressure detecting unit and the optical large depth of field detecting unit.

A pen-typed navigation device includes a housing, a pen tip, a pressure detecting unit, and a navigation module having an optical large depth of field detecting unit and a processing unit. The pen tip is disposed on the housing. The pressure detecting unit is disposed on the pen tip to detect a pressure of the pen tip applied to a working plane. The optical large depth of field detecting unit is disposed by the pen tip and has a specific range about the depth of field, and can detect movement information of the pen tip relative to the working plane while a distance between the pen tip and the working plane is smaller than the foresaid specific range. The processing unit is adapted to acquire navigation information generated by the pen tip according to detection result of the pressure detecting unit and the optical large depth of field detecting unit.

A display includes a substrate, a photo-sensing unit, a sheltering unit and a light source unit. The substrate includes intersecting data lines and scan lines. The substrate has pixel zones, each being defined by adjacent two of the data lines and adjacent two of the scan lines. The photo-sensing unit includes infrared sensors disposed at positions corresponding to the scan lines or data lines. The sheltering unit is made of a material that allows transmission of infrared light therethrough and that blocks transmission of visible light therethrough, and fully covers the photo-sensing unit.

A display includes a substrate, a photo-sensing unit, a sheltering unit and a light source unit. The substrate includes intersecting data lines and scan lines. The substrate has pixel zones, each being defined by adjacent two of the data lines and adjacent two of the scan lines. The photo-sensing unit includes infrared sensors disposed at positions corresponding to the scan lines or data lines. The sheltering unit is made of a material that allows transmission of infrared light therethrough and that blocks transmission of visible light therethrough, and fully covers the photo-sensing unit.

Each projector specifies coordinates of a position which is indicated by an indicator, and outputs coordinate information representing the coordinates which are specified, and identification information identifying a display position of the image. An information processing device includes a conversion unit converting the coordinate information into coordinate information representing coordinates in a coordinate system of the information processing device on the basis of the identification information.