News Column

Researchers Submit Patent Application, "Driving Integrated Circuit", for Approval

June 4, 2014



By a News Reporter-Staff News Editor at Electronics Newsweekly -- From Washington, D.C., VerticalNews journalists report that a patent application by the inventor LIN, Li-Tang (Hsinchu City, TW), filed on March 1, 2013, was made available online on May 22, 2014.

The patent's assignee is Novatek Microelectronics Corp.

News editors obtained the following quote from the background information supplied by the inventors: "Flat display has now become a popular electronic product. To make the frame of the flat display looked vivid and realistic, the frame resolution and refresh rate must be increased. Therefore, the flat display with high-speed application is provided. In response to the demand for high-speed applications, the transmission line must have suitable impedance matching to resolve the difficulties in the usage frequency of the flat display caused by the reflection and decay of the transmission line.

"According to the conventional application, the impedance matched terminal resistor is disposed on the printed circuit board closest to the input end of the driving IC. However, the high-speed signal entering the driving IC will inevitably pass through an impedance mismatching path, causing the high-speed signal to be distorted and lowering the highest attainable frequency of the high-speed signal."

As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventor's summary information for this patent application: "The disclosure is directed to a driving integrated circuit (IC).

"According to one embodiment, a driving integrated circuit (IC) is disclosed. The driving IC comprises a signal processing circuit, a receiver and a terminal resistance providing circuit. The receiver is coupled to a first transmission line and a second transmission line and is output to the signal processing circuit after receiving a transmission signal through the first transmission line and the second transmission line. The terminal resistance providing circuit is coupled to the receiver.

"The above and other aspects of the disclosure will become better understood with regard to the following detailed description of the non-limiting embodiment (s). The following description is made with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 shows a block diagram of a driving IC with terminal resistance providing circuit;

"FIG. 2 shows a schematic diagram of a driving IC according to a first embodiment;

"FIG. 3 shows a schematic diagram of a driving IC according to a second embodiment;

"FIG. 4 shows a schematic diagram of a driving IC according to a third embodiment;

"FIG. 5 shows a schematic diagram of a driving IC according to a fourth embodiment;

"FIG. 6 shows a schematic diagram of a driving IC according to a fifth embodiment;

"FIG. 7 shows a schematic diagram of a driving IC according to a sixth embodiment;

"FIG. 8 shows a schematic diagram of a display driving circuit according to a seventh embodiment;

"FIG. 9 shows a schematic diagram of according to a display driving circuit an eighth embodiment;

"FIG. 10 shows a schematic diagram of a display driving circuit according to a ninth embodiment; and

"FIG. 11 shows a schematic diagram of a display according to a tenth embodiment.

"In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawing."

For additional information on this patent application, see: LIN, Li-Tang. Driving Integrated Circuit. Filed March 1, 2013 and posted May 22, 2014. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=4994&p=100&f=G&l=50&d=PG01&S1=20140515.PD.&OS=PD/20140515&RS=PD/20140515

Keywords for this news article include: Signal Processing, Novatek Microelectronics Corp..

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Source: Electronics Newsweekly


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