Abstract: A connector unit includes a contact module received within an insulative housing. The contact module includes an upper contact unit and a lower contacts unit stacked with each other. Each of the upper contact unit and the lower contact unit includes a front/outer contact part and a rear/inner contact part each including plural contacts integrally formed with plural insulative transverse bars via insert-molding. The contacts include plural differential pair signal contacts and plural grounding contacts alternately arranged with each other along a transverse direction. Plural grounding bars are attached to corresponding transverse bars, respectively, wherein each grounding bar include plural tabs mechanically and electrically connecting to the corresponding grounding contacts. Each grounding bar is equipped with a plastic attachment tie bar to cooperate with a corresponding transverse bar to sandwich the grounding bar therebetween for securement.

Abstract: A source driver is configured to drive an organic light-emitting diode (OLED) display panel. The source driver includes a sensing circuit and an operational amplifier. The sensing circuit is configured to sense pixel information of an OLED pixel circuit through a sensing line of the OLED display panel. The operational amplifier includes an amplifier circuit and at least one switch circuit. The amplifier circuit includes at least one gain circuit. An input terminal of the amplifier circuit is coupled to an output terminal of the sensing circuit. Each of the at least one switch circuit is coupled between a pair of output terminals of a corresponding one of the at least one gain circuit.

Abstract: A sensing circuit for an organic light-emitting diode (OLED) driver includes a sample and hold circuit and a clamping circuit. The sample and hold circuit includes a capacitor. The clamping circuit, coupled to the sample and hold circuit, is configured to clamp a sensing voltage received by the sample and hold circuit to conform to a withstand voltage of the capacitor.

Abstract: The present invention discloses an aperture plate and an aerosol generator. The aperture plate is made by metal materials with a plurality of apertures. The aperture plate has a multi-layer structure, which comprises a substrate, a protective layer and/or at least one intermediate layer between the substrate and the protective layer. The intermediate layer is configured to enhance the adhesion between the substrate and the protective layer, so that it can increase the durability of the aperture plate. The aperture plate can be a dome-shaped, a flat-shaped or an irregular shape. The aperture plate of the present invention can optimize the volume and size of droplets under the vibration at certain frequency.

Abstract: An electrical connector includes an insulative housing forming plural rows of passageways wherein each row of passageways extends along a transverse direction while the plural rows are spaced from one another in a front-to-back direction perpendicular to the transverse direction. Each passageway is dimension to receive a unified contact having three sets of spring arms spaced from one another in the transverse direction. The three sets of spring arms are categorized with two outer sets and one inner set therebetween in the transverse direction. The pitch between the two neighboring sets of spring arms of each unified contact is essentially one half of the distance between one outer set of spring arms of one unified contact and another outer set of spring arms of the neighboring unified contact.

Abstract: The differential difference amplifier circuit includes a differential input stage circuit, a loading stage circuit coupled to the differential input stage circuit, and an output stage circuit coupled to the loading stage circuit. The output stage circuit is configured to generate an output signal. The differential input stage circuit includes a first differential pair having a first transconductance and a second differential pair having a second transconductance. The first differential pair is biased by a first current source and receives a first input signal and the output signal. The second differential pair is biased by a second current source and receives a second input signal and the output signal. At least one of the first transconductance and the second transconductance is adjusted according to the image data.

Abstract: An electrical connector includes an insulative housing with a rear base and a mating tongue extending forwardly from the base. Two rows of contacts are retained in the housing. A metallic shielding plate is embedded within the housing and between the two rows of contacts. Each row of contacts defines positions from one to twelve in the transverse direction wherein positions 2&3 and 10&11 are designated for high frequency signal transmission. In the shielding plate the space between corresponding positions 4 and 6, and that between corresponding positions 7 and 9, are of a complete or enlarged hole being essentially fully empty along the front-to-back direction for achieving the high frequency transmission without undesired crosstalk among the corresponding contacts.

Abstract: The differential difference amplifier circuit includes a differential input stage circuit, a loading stage circuit coupled to the differential input stage circuit, and an output stage circuit coupled to the loading stage circuit. The output stage circuit is configured to generate an output signal. The differential input stage circuit includes a first differential pair having a first transconductance and a second differential pair having a second transconductance. The first differential pair is biased by a first current source and receives a first input signal and the output signal. The second differential pair is biased by a second current source and receives a second input signal and the output signal. At least one of the first transconductance and the second transconductance is adjusted according to the image data.

Abstract: A source driver including a sensing circuit and an operational amplifier is provided. The sensing circuit senses pixel information of an organic light-emitting diode (OLED) pixel circuit. The operational amplifier includes an amplifier circuit and an offset voltage storing and reducing circuit. An input terminal of the amplifier circuit is coupled to the sensing circuit. The amplifier circuit includes a first gain circuit and a second gain circuit. An output terminal of the offset voltage storing and reducing circuit is coupled to a coupling terminal of the first gain circuit. An input terminal of the offset voltage storing and reducing circuit is coupled to an output terminal of the second gain circuit. The offset voltage storing and reducing circuit stores and reduces an offset voltage of the first gain circuit.

Abstract: The differential difference amplifier circuit includes a differential input stage circuit, a loading stage circuit coupled to the differential input stage circuit, and an output stage circuit coupled to the loading stage circuit. The output stage circuit is configured to generate an output signal. The differential input stage circuit includes a first differential pair having a first transconductance and a second differential pair having a second transconductance. The first differential pair is biased by a first current source and receives a first input signal and the output signal. The second differential pair is biased by a second current source and receives a second input signal and the output signal. At least one of the first transconductance and the second transconductance is adjusted according to the image data.

Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes an input circuit, a voltage maintaining circuit, and a current source. The input circuit includes a first input transistor and a second input transistor, for receiving a first and a second input signals, respectively. The voltage maintaining circuit includes a first branch circuit and a second branch circuit. The first branch circuit is coupled to the first input transistor for receiving the first input signal, and the second branch circuit is coupled to the second input transistor for receiving the second input signal. The current source is coupled to the first input transistor and the second input transistor. The loading stage circuit is coupled to the voltage maintaining circuit.

Abstract: A sensing circuit for an organic light-emitting diode (OLED) driver includes a sample and hold circuit and a clamping circuit. The sample and hold circuit includes a capacitor. The clamping circuit, coupled to the sample and hold circuit, is configured to clamp a sensing voltage received by the sample and hold circuit to conform to a withstand voltage of the capacitor.

Abstract: An electrical connector includes an insulative housing forming plural rows of passageways wherein each row of passageways extends along a transverse direction while the plural rows are spaced from one another in a front-to-back direction perpendicular to the transverse direction. Each passageway is dimension to receive a unified contact having three sets of spring arms spaced from one another in the transverse direction. The three sets of spring arms are categorized with two outer sets and one inner set therebetween in the transverse direction. The pitch between the two neighboring sets of spring arms of each unified contact is essentially one half of the distance between one outer set of spring arms of one unified contact and another outer set of spring arms of the neighboring unified contact.

Abstract: An electrical connector includes an insulative housing with a rear base and a mating tongue extending forwardly from the base. Two rows of contacts are retained in the housing. A metallic shielding plate is embedded within the housing and between the two rows of contacts. Each row of contacts defines positions from one to twelve in the transverse direction wherein positions 2&3 and 10&11 are designated for high frequency signal transmission. In the shielding plate the space between corresponding positions 4 and 6, and that between corresponding positions 7 and 9, are of a complete or enlarged hole being essentially fully empty along the front-to-back direction for achieving the high frequency transmission without undesired crosstalk among the corresponding contacts.

Abstract: A source driver is configured to drive an organic light-emitting diode (OLED) display panel. The source driver includes a sensing circuit and an operational amplifier. The sensing circuit is configured to sense pixel information of an OLED pixel circuit through a sensing line of the OLED display panel. The operational amplifier includes an amplifier circuit and at least one switch circuit. The amplifier circuit includes at least one gain circuit. An input terminal of the amplifier circuit is coupled to an output terminal of the sensing circuit. Each of the at least one switch circuit is coupled between a pair of output terminals of a corresponding one of the at least one gain circuit.

Abstract: A source driver including a sensing circuit and an operational amplifier is provided. The sensing circuit senses pixel information of an organic light-emitting diode (OLED) pixel circuit. The operational amplifier includes an amplifier circuit and an offset voltage storing and reducing circuit. An input terminal of the amplifier circuit is coupled to the sensing circuit. The amplifier circuit includes a first gain circuit and a second gain circuit. An output terminal of the offset voltage storing and reducing circuit is coupled to a coupling terminal of the first gain circuit. An input terminal of the offset voltage storing and reducing circuit is coupled to an output terminal of the second gain circuit. The offset voltage storing and reducing circuit stores and reduces an offset voltage of the first gain circuit.

Abstract: The differential difference amplifier circuit includes a differential input stage circuit, a loading stage circuit coupled to the differential input stage circuit, and an output stage circuit coupled to the loading stage circuit. The output stage circuit is configured to generate an output signal. The differential input stage circuit includes a first differential pair having a first transconductance and a second differential pair having a second transconductance. The first differential pair is biased by a first current source and receives a first input signal and the output signal. The second differential pair is biased by a second current source and receives a second input signal and the output signal. At least one of the first transconductance and the second transconductance is adjusted according to the image data.

Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes an input circuit, a voltage maintaining circuit, and a current source. The input circuit includes a first input transistor and a second input transistor, for receiving a first and a second input signals, respectively. The voltage maintaining circuit includes a first branch circuit and a second branch circuit. The first branch circuit is coupled to the first input transistor for receiving the first input signal, and the second branch circuit is coupled to the second input transistor for receiving the second input signal. The current source is coupled to the first input transistor and the second input transistor. The loading stage circuit is coupled to the voltage maintaining circuit.

Abstract: An electrical connector includes an insulative housing defining a front cavity for receiving and rear cavity, a terminal assembly assembled in the rear cavity, and a ground member. The terminal assembly includes an upper terminal module, a lower terminal module sandwiching a shielding module therebetween. Said upper terminal module includes a pair of upper ground terminals. Said lower terminal module includes a plurality of lower ground terminals. Said shielding module includes metallic shielding plate. The ground member is associated with the shielding module to mechanically and electrically connect at least one of the upper ground terminals and the lower ground terminals with the shielding plate.

Abstract: An operational amplifier circuit is provided. The operational amplifier circuit includes a differential input stage circuit and a loading stage circuit. The differential input stage circuit includes an input circuit, a voltage maintaining circuit, and a current source. The input circuit includes a first input transistor and a second input transistor, for receiving a first and a second input signals, respectively. The voltage maintaining circuit includes a first branch circuit and a second branch circuit. The first branch circuit is coupled to the first input transistor for receiving the first input signal, and the second branch circuit is coupled to the second input transistor for receiving the second input signal. The current source is coupled to the first input transistor and the second input transistor. The loading stage circuit is coupled to the voltage maintaining circuit.