Abstract: An output buffer for a source driver of a panel includes an output stage, configured to output an output voltage; an operational transconductance amplifier (OTA), configured to control the output stage to charge or discharge a capacitor of a pixel of the panel; and a detector, coupled between the OTA and the output stage, configured to output an enabling signal to turn on/off the output buffer after the output buffer finishes charging or discharging the capacitor of the pixel of the panel, wherein the enabling signal is determined according to a current value of the output stage.

Abstract: A chip on film package structure including a flexible film and a chip is provided. The flexible film includes a main body and a first wing body. The main body includes a main bonding portion configured to be bonded to a first substrate. The first wing body includes a first extending part and a first bent part. The first extending part is extended from a side of the main body. The first bent part is configured to be bent to a second substrate and having a first wing bonding portion. The first wing bonding portion is configured to be bonded to the second substrate. The first substrate and the second substrate are stacked on top of each other. The chip mounted on and electrically connected to the main body. A display device is also provided.

Abstract: A chip on film package structure including a flexible film and a chip is provided. The flexible film includes a main body and a first wing body. The main body includes a main bonding portion configured to be bonded to a first substrate. The first wing body includes a first extending part and a first bent part. The first extending part is extended from a side of the main body. The first bent part is configured to be bent to a second substrate and having a first wing bonding portion. The first wing bonding portion is configured to be bonded to the second substrate. The first substrate and the second substrate are stacked on top of each other. The chip mounted on and electrically connected to the main body. A display device is also provided.

Abstract: An optical sensor including a substrate and a plurality of pixel units are provided. The pixel units are disposed on the substrate, and each of the pixel units includes a light source element, a light sensor element, a circuit unit, and an isolation element. Herein, the light source element emits light, the light sensor element senses an optical image. The circuit unit is configured to drive the light source element to emit light and to drive the light sensor element to sense the optical image. The isolation element isolates the light sensor element from the light source element. In addition, the light source element is disposed between the isolation element of the respective pixel unit and an isolation element of a neighboring pixel unit.

Abstract: A driving circuit of a display panel and a display apparatus using the same are provided. The driving circuit includes a shift register, a latch, a level shifter, a current source and a charge switch. The shift register receives a trigger signal to provide a data latch signal. The latch couples to the shift register, and receives a gray-level data to latch and output the gray-level data according to the data latch signal. The level shifter couples to the latch and provides a charge switch signal according to the gray-level data. The current source provides a charge current. The charge switch couples between the current source and a pixel of the display panel, and receives the charge switch signal to determine whether the current source is coupled to the pixel according to the charge switch signal.

Abstract: An optical sensor including a substrate and a plurality of pixel units are provided. The pixel units are disposed on the substrate, and each of the pixel units includes a light source element, a light sensor element, a circuit unit, and an isolation element. Herein, the light source element emits light, the light sensor element senses an optical image. The circuit unit is configured to drive the light source element to emit light and to drive the light sensor element to sense the optical image. The isolation element isolates the light sensor element from the light source element. In addition, the light source element is disposed between the isolation element of the respective pixel unit and an isolation element of a neighboring pixel unit.

Abstract: A driving circuit of a display panel and a display apparatus using the same are provided. The driving circuit includes a shift register, a latch, a level shifter, a current source and a charge switch. The shift register receives a trigger signal to provide a data latch signal. The latch couples to the shift register, and receives a gray-level data to latch and output the gray-level data according to the data latch signal. The level shifter couples to the latch and provides a charge switch signal according to the gray-level data. The current source provides a charge current. The charge switch couples between the current source and a pixel of the display panel, and receives the charge switch signal to determine whether the current source is coupled to the pixel according to the charge switch signal.

Abstract: A control device for a panel with display and sensing functions includes a plurality of channel terminals and a plurality of control units. The plurality of channel terminals are coupled to the panel. Each of the plurality of control units is coupled to one of the plurality of channel terminals, and configured to selectively generate a display signal to be transmitted to the panel via the channel terminal and generate image sensing data based on a sensing signal received from the panel via the channel terminal.

Abstract: A gate driving apparatus is disclosed. The gate driving apparatus includes a first gate driving chip and N second gate driving chips, wherein N is positive integer. The first gate driving chip has a first input pin and a first current output pin. The first gate driving chip receives a reference electrical signal by the first input pin, and generates a reference current according to the reference electrical signal. The first current output pin is used for outputting the reference current. Each of the second gate driving chips has a current input pin for receiving the reference current and a second current output pin for outputting the reference current. The first gate driving chip and the second gate driving chips generate at least a first output signal and at least N second output signals according to the reference current.

Abstract: A gate driving apparatus is disclosed. The gate driving apparatus includes a first gate driving chip and N second gate driving chips, wherein N is positive integer. The first gate driving chip has a first input pin and a first current output pin. The first gate driving chip receives a reference electrical signal by the first input pin, and generates a reference current according to the reference electrical signal. The first current output pin is used for outputting the reference current. Each of the second gate driving chips has a current input pin for receiving the reference current and a second current output pin for outputting the reference current. The first gate driving chip and the second gate driving chips generate at least a first output signal and at least N second output signals according to the reference current.

Abstract: A gate driving apparatus is disclosed. The gate driving apparatus includes a first gate driving chip and N second gate driving chips, wherein N is positive integer. The first gate driving chip has a first input pin and a first current output pin. The first gate driving chip receives a reference electrical signal by the first input pin, and generates a reference current according to the reference electrical signal. The first current output pin is used for outputting the reference current. Each of the second gate driving chips has a current input pin for receiving the reference current and a second current output pin for outputting the reference current. The first gate driving chip and the second gate driving chips generate at least a first output signal and at least N second output signals according to the reference current.

Abstract: A display apparatus and a control method thereof are provided. The display apparatus includes a display panel, a detection circuit, and a control circuit. The display panel is configured to display images. The detection circuit is configured to detect a noise influencing a display apparatus, and generate a detection signal in response to the noise when the noise is detected. The control circuit is coupled to the detection circuit and the display panel, and configured to maintain an image displayed by the display panel according to the detection signal until the noise disappears. In this way, when the display apparatus is influenced by a noise, the display panel can keep displaying an image displayed before the influence.