公开(公告)号：US20180158422A1

公开(公告)日：2018-06-07

申请号：US15884398

申请日：2018-01-31

Applicant: Novatek Microelectronics Corp.

Inventor： Ching-Wen Hou ,  Shun-Hsun Yang ,  Tse-Hung Wu

IPC: G09G3/36

CPC classification number: G09G3/36 ,  G09G2310/0264

Abstract: A liquid crystal display apparatus, a source driver, and a method for controlling polarity of driving signals thereof are provided. The source driver includes a signal receiving interface, a decoder, and a controller. The signal receiving interface receives an image data stream or an indication signal. The decoder obtains controlling information from the image data stream or the indication signal. The controller receives the controlling information and decides a plurality of source driving signals generated by the source driver according to the controlling information.

公开(公告)号：US20180157374A1

公开(公告)日：2018-06-07

申请号：US15889228

申请日：2018-02-06

Applicant: NOVATEK Microelectronics Corp.

Inventor： Hung-Cheng Kuo ,  Chun-Hung Chen ,  Chun-Ching Huang

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/041

Abstract: A method of determining a touch event in a touch detection system includes: receiving at least one sensing signal corresponding to at least one driving signal configured to drive a touch panel; determining whether a touch event occurs by performing an initial digital operation on the at least one sensing signal; performing an entire determination on the at least one sensing signal after at least one of one or more predetermined conditions is determined to be satisfied, wherein one of the one or more predetermined conditions is that the touch event is determined to occur; and not performing the entire determination on the at least one sensing signal after each of the one or more predetermined conditions is determined to be unsatisfied.

公开(公告)号：US09972271B2

公开(公告)日：2018-05-15

申请号：US15152575

申请日：2016-05-12

Applicant: Novatek Microelectronics Corp.

Inventor： Ju-Lin Huang ,  Jhih-Siou Cheng

IPC: G09G3/36

CPC classification number: G09G3/3685 ,  G02F1/13 ,  G09G3/3648 ,  G09G3/3677 ,  G09G2300/0426 ,  G09G2320/02 ,  G09G2320/0223

Abstract: A display panel including a plurality of pixel units, a plurality of source lines, a plurality of gate lines and a plurality of common electrode lines is provided. The pixels units are arranged in array. The array includes a plurality of columns and a plurality of rows. The source lines are respectively coupled with the pixel units disposed in a same column of the columns. The gate lines are respectively coupled with the pixel units disposed in a same row of the rows. The common electrode lines and gate lines extend parallelly with each other. At least one of the source date lines, the gate lines and the common electrode lines has the line widths varied along the extension direction thereof.

公开(公告)号：US20180131959A1

公开(公告)日：2018-05-10

申请号：US15345470

申请日：2016-11-07

Applicant: NOVATEK Microelectronics Corp.

Inventor： Hsiao-En Chang ,  Cheng-Wei Chou

IPC: H04N19/527 ,  H04N19/513 ,  H04N19/543

CPC classification number: H04N19/527 ,  H04N19/521 ,  H04N19/543

Abstract: A motion estimation method for blocks of a periodic pattern is provided, which includes determining a global motion vector corresponding to a region according to motion vectors of periodic blocks in the region; generating candidate motion vectors of a target periodic block to be encoded in a second frame; for each candidate motion vector, determining a penalty value based on at least one difference between the candidate motion vector and at least one global motion vector corresponding to at least a relative region in the first frame; for each candidate motion vector, calculating a weighted similarity value based on an original similarity value between the target periodic block of the second frame and a reference block corresponding to the candidate motion vector of the first frame, and the penalty value; and determining a motion vector of the target periodic block according to weighted similarity values of the candidate motion vectors.

公开(公告)号：US20180082628A1

公开(公告)日：2018-03-22

申请号：US15281104

申请日：2016-09-30

Applicant: Novatek Microelectronics Corp.

Inventor： Wenhui Yu ,  Chao-Yang Kao ,  Chiung-Liang Lin

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/027 ,  G09G2340/02 ,  G09G2340/16

Abstract: A display driving apparatus including a pixel reorder circuit, an image processing circuit and a driver circuit is provided. The pixel reorder circuit is configured to reorder pixels of frame data. The frame data includes previous frame data. The image processing circuit is coupled to the pixel reorder circuit. The image processing circuit is configured to perform an image processing operation on the frame data that the pixels have been reordered. The driver circuit is coupled to the pixel reorder circuit. The driver circuit is configured to drive a display according to the previous frame data that pixels have been reordered and the current frame data. Each of the pixels of the frame data includes a first sub-pixel set and a second sub-pixel set. In addition, a display driving method is also provided.

公开(公告)号：US20180068618A1

公开(公告)日：2018-03-08

申请号：US15259052

申请日：2016-09-08

Applicant: Novatek Microelectronics Corp.

Inventor： Chun-Chieh Lin ,  Shang-I Liu ,  Hua-Gang Chang

IPC: G09G3/3258 ,  G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/043 ,  G09G2320/045

Abstract: An apparatus and a method for sensing a display panel are provided. The apparatus includes a gate driving circuit and a sensing circuit. The gate driving circuit may scan the scan-lines during a plurality of scan-line periods within a frame period. The sensing circuit is coupled to a plurality of pixel circuits. A corresponding scan-line period of the scan-line periods is divided into a test data period and a display data period. In the test data period, the sensing circuit controls a corresponding pixel circuit to receive the test data, and the sensing circuit senses the electrical characteristic of the corresponding pixel circuit. In the display data period, the sensing circuit controls the corresponding pixel circuit to receive the display data from a corresponding data line, and the sensing circuit does not sense the corresponding pixel circuit.

公开(公告)号：US09898983B1

公开(公告)日：2018-02-20

申请号：US15344575

申请日：2016-11-06

Applicant: NOVATEK Microelectronics Corp.

Inventor： Yu-Hao Hsu ,  Jui-Chang Lin ,  Ming-Han Lee ,  Wei-Cheng Lin

IPC: G09G5/00 ,  G09G3/36

CPC classification number: G09G3/3696 ,  G09G3/3688 ,  H01L21/82 ,  H01L27/085

Abstract: A source driving device for a display system includes a receiving module, for receiving display data; a register module, for sorting pixel data included in the display data to generate sorted pixel data; a latch module, for outputting sequenced display data to the level shifting module; a level shifting module, for adjusting the sequenced display data from a low voltage range to a medium voltage range; a converting module; for converting the sequenced display data to analog display voltages; a buffer module, for generating a plurality source driving signals according to the analog display voltages; and an output switching module, for outputting the plurality source driving signals to a display device of the display system operating in a high voltage range; wherein circuit components in the source driving device operating in different voltage ranges have different gate oxide thicknesses.

公开(公告)号：US09887247B2

公开(公告)日：2018-02-06

申请号：US14700167

申请日：2015-04-30

Applicant: Novatek Microelectronics Corp.

Inventor： Hsueh-Yen Yang ,  Feng-Ting Pai

IPC: H01L27/32 ,  G09G3/3208

CPC classification number: H01L27/3218 ,  G09G3/2074 ,  G09G3/3208 ,  G09G2300/0452 ,  H01L27/3276

Abstract: A sub-pixel arrangement structure of an organic light emitting diode display including a plurality of sub-pixels is provided. The plurality of sub-pixels are arranged in a first direction and a second direction to form a sub-pixel array. The first direction is inclined at a first angle relative to a reference direction, and the second direction is inclined at a second angle relative to the reference direction. Each four sub-pixels of the plurality of sub-pixels form a virtual quadrangle. The each four sub-pixels include two sub-pixels having a same color, and the two sub-pixels having the same color are arranged at adjacent vertexes of the virtual quadrangle in one of the first direction and the second direction.

公开(公告)号：US09875707B2

公开(公告)日：2018-01-23

申请号：US14708303

申请日：2015-05-11

Applicant: Novatek Microelectronics Corp.

Inventor： Jhih-Siou Cheng ,  Po-Hsiang Fang ,  Po-Yu Tseng ,  Chieh-An Lin ,  Ju-Lin Huang ,  Yi-Chuan Liu

IPC: G09G3/36

CPC classification number: G09G3/3674 ,  G09G3/3648 ,  G09G2310/0213 ,  G09G2310/067 ,  G09G2320/041 ,  G09G2330/025

Abstract: A display apparatus and a gate driving method thereof are provided. The display apparatus includes a display panel and a gate driver. The display panel has a plurality of gate lines. Output terminals of the gate driver are coupled to the gate lines in a one-to-one manner. The gate driver is configured to drive the gate lines according to a scrambled scan sequence.

公开(公告)号：US09875700B2

公开(公告)日：2018-01-23

申请号：US14242859

申请日：2014-04-01

Applicant: NOVATEK Microelectronics Corp.

Inventor： Yueh-Hsun Tsai ,  Yi-Chuan Liu ,  Yueh-Hsiu Liu

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0297

Abstract: A source driver utilized for a display device and switching between two operational modes includes a reception module for receiving a plurality of display information and a plurality of transmission channels. Each transmission channel includes a register module for receiving one of the plurality of display information; a voltage level transformer for determining a voltage level of the one of display information; a polarization digital-to-analog converter for processing a digital-to-analog operation for the voltage level of the one display information; and an output module for outputting a plurality of voltage levels of the display information. The voltage levels of every two adjacent transmission channels include different polarization of voltage levels, and the output module processes an odd-number switching operation before outputting the plurality of voltage levels.