Abstract: A micro light-emitting element including an epitaxial structure, an insulating layer, an electrode structure and a sacrificial layer is provided. The epitaxial structure includes a top surface and a side surface. The insulating layer is disposed on the top surface and the side surface of the epitaxial structure, and the insulating layer includes an opening. The electrode structure is disposed on the top surface of the epitaxial structure and extends through the opening of the insulating layer to be electrically connected to the epitaxial structure. The sacrificial layer is sandwiched between a surface of the insulating layer and the corresponding electrode structure. A micro light-emitting element display device is further provided.

Abstract: Photoplethysmogram system and method are designed for monitoring a user's physiological signals. The system includes a PPG device with a light source, a PPG sensor, and at least one verification sensor. The PPG sensor collects light reflected from a user's fingertip after being emitted by the light source, while the verification sensor determines the position of the fingertip and measures the contact pressure of the PPG device to the user's fingertip. Additionally, the system includes an analysis module that is electrically connected to the PPG device, which is responsible for analyzing and processing a plurality of collected data from the device. There is also a display module that is electrically connected to the analysis module, providing a feedback on the PPG device's performance. The analysis module dynamically adjusts the intensity and sampling rate of light emitted by the light source based on the measured contact pressure.

Abstract: Provided is an electronic device comprising a touch display panel and an integrated chip. The touch display panel comprises a pixel array. The integrated chip is electrically connected to the pixel array. The integrated chip comprises a fingerprint sensing circuit and a display driving circuit. The fingerprint sensing circuit and the display driving circuit are electrically connected to a plurality of display data lines and sensing data lines by means of the same pin. The plurality of display data lines are respectively electrically connected to a plurality of color sub-pixels of the pixel array. The sensing data lines are electrically connected to a plurality of fingerprint sensing pixels of the pixel array. The plurality of color sub-pixels are a plurality of organic light emitting diode pixels.

Abstract: “An image sensing device is provided in the present invention. A control circuit determines a voltage change rate of a sensing signal according to a voltage value of the sensing signal generated by a light sensing unit during an estimation period, and controls an input adjustment circuit during an exposure period according to the voltage change rate to provide an input adjustment signal to a negative input end of an operational amplifier, such that a signal value of an amplified signal falls within a pre-set range during the exposure period.

Abstract: A fingerprint sensing module including an image sensor, a microlens array and a light-shielding layer is provided. The image sensor has multiple pixels. Each of the pixels has multiple light-sensing regions physically separated. Each of the light-sensing regions is adapted to receive an image beam coming from a fingerprint of user. The microlens array is disposed above the image sensor. The microlens array includes multiple microlens. A focus region of each of the microlens covers a portion of the light-sensing regions. The light-shielding layer is disposed between the image sensor and the microlens array. The light-shielding layer has multiple openings, and the positions of the openings are corresponded to the positions of the pixels.

Abstract: An optical fingerprint sensing apparatus is provided. A control circuit controls a first selection circuit to output at least one of fingerprint sensing signals on sensing signal lines, and controls a second selection circuit to output at least one of background noise signals on dummy sensing signal lines, so that the first selection circuit and the second selection circuit simultaneously output the fingerprint sensing signal and the background noise signal, respectively. The signal processing circuit cancels background noise of the fingerprint sensing signals according to the background noise signal.

Abstract: A fingerprint sensing module including an image sensor, a microlens array and a light-shielding layer is provided. The image sensor has multiple pixels. Each of the pixels has multiple light-sensing regions physically separated. Each of the light-sensing regions is adapted to receive an image beam coming from a fingerprint of user. The microlens array is disposed above the image sensor. The microlens array includes multiple microlens. A focus region of each of the microlens covers a portion of the light-sensing regions. The light-shielding layer is disposed between the image sensor and the microlens array. The light-shielding layer has multiple openings, and the positions of the openings are corresponded to the positions of the pixels.

Abstract: An optical fingerprint sensing apparatus is provided. A control circuit controls a first selection circuit to output at least one of fingerprint sensing signals on sensing signal lines, and controls a second selection circuit to output at least one of background noise signals on dummy sensing signal lines, so that the first selection circuit and the second selection circuit simultaneously output the fingerprint sensing signal and the background noise signal, respectively. The signal processing circuit cancels background noise of the fingerprint sensing signals according to the background noise signal.

Abstract: The present invention discloses a method of fabricating organic light emitting diode array, which adopts a directional spin coating technology to grow different organic light-emitting materials on the same plane so as to control the color of the emitted light and accomplish monochrome or full color organic light emitting diodes.

Abstract: The present invention discloses a method of fabricating organic light emitting diode array, which adopts a directional spin coating technology to grow different organic light-emitting materials on the same plane so as to control the color of the emitted light and accomplish monochrome or full color organic light emitting diodes.