公开(公告)号：US09947258B2

公开(公告)日：2018-04-17

申请号：US14838372

申请日：2015-08-28

Applicant: Novatek Microelectronics Corp.

Inventor： Bo Zhao ,  Lei Zhang ,  Yuan-Jia Du ,  Yen-Tao Liao

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2300/0452 ,  G09G2310/027 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/0626 ,  G09G2320/0666 ,  G09G2340/0428 ,  G09G2340/0457 ,  G09G2340/06

Abstract: An image processing method is provided. The image processing method includes: performing dynamic brightness control on an input image to determine a brightness gain for the input image; performing texture analysis on the input image based on blocks to determine filter indexes for the input image; performing color conversion with edge protection on the input image according to the brightness gain; and performing sub-pixel adjustment on the input image according to the filter indexes and a pixel arrangement of a display panel, so as to output an output image. An image processing apparatus is also provided.

公开(公告)号：US20180075819A1

公开(公告)日：2018-03-15

申请号：US15814375

申请日：2017-11-15

Applicant: Novatek Microelectronics Corp.

Inventor： Chien-Yu Chen ,  Chien-Chou Hung ,  Wei-Ying Tu ,  Jiun-Ting Chen

IPC: G09G5/18 ,  G06F1/32 ,  G09G5/12

CPC classification number: G09G5/18 ,  G06F1/3218 ,  G06F1/3265 ,  G09G5/12 ,  G09G2310/065 ,  G09G2310/067 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2370/08 ,  Y02D10/153 ,  Y02D50/20

Abstract: A display driving apparatus including a receiver circuit, a detection circuit and a driving circuit is provided. The receiver circuit receives the video image data at a first rate. The detection circuit is coupled to the receiver circuit. The detection circuit detects whether the video image data is a static image, and determines whether the display driving apparatus enters a power saving mode based on a detecting result. The driving circuit is coupled to the receiver circuit. The driving circuit drives the display panel. In the power saving mode, the receiver circuit continuously receives the video image data at the first rate, and periodically masks a part of the video image data according to the detecting result and outputs an unmasked part of the video image data to the driving circuit. Furthermore, a display driving method adapted for the foregoing display driving apparatus is also provided.

公开(公告)号：US09916797B2

公开(公告)日：2018-03-13

申请号：US14716890

申请日：2015-05-20

Applicant: Novatek Microelectronics Corp.

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

IPC: G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2370/08 ,  G09G2370/14

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 a data input/output indication signal. The decoder obtains polarity controlling information from the image data stream or the data input/output indication signal. The controller receives the polarity controlling information and decides driving polarities of a plurality of source driving signals generated by the source driver according to the polarity controlling information.

公开(公告)号：US20180041809A1

公开(公告)日：2018-02-08

申请号：US15668713

申请日：2017-08-04

Applicant: Novatek Microelectronics Corp.

Inventor： Wei-Chung Chang ,  Hsiang-An Wang

IPC: H04N21/472 ,  H04L29/06 ,  H04N21/2662

CPC classification number: H04N21/47217 ,  H04L65/4084 ,  H04L65/608 ,  H04N21/2662 ,  H04N21/4333 ,  H04N21/6373

Abstract: The disclosure proposes a playback method including displaying a first playback session which comprises an on-demand streaming session in a foreground of a display of the electronic device; switching, at a first playback time (t1), the first playback session from being displayed in the foreground to a background in which the on-demand streaming session ceases streaming; recording the t1 and a first clock time (T1) in response to switching the first playback session from being displayed in the foreground to the background; switching the first playback session back from the background to being displayed in the foreground; recording a second clock time (T2) in response to switching the first playback session back from the background to being displayed in the foreground; and changing the on-demand streaming session as being displayed in the foreground to a second playback time (t2) which is determined according to t2=t1+(T2−T1).

公开(公告)号：US20180040596A1

公开(公告)日：2018-02-08

申请号：US15226905

申请日：2016-08-02

Applicant: Novatek Microelectronics Corp.

Inventor： Chieh-Hsiang Chang ,  Wen-Ching Huang ,  Kuo-Yuan Lu ,  Huang-Chin Tang

IPC: H01L25/16 ,  H01L23/373 ,  H01L23/552 ,  H01L23/498 ,  H01L23/00

CPC classification number: H01L25/167 ,  G02F1/13452 ,  G02F1/13458 ,  H01L23/373 ,  H01L23/49838 ,  H01L23/4985 ,  H01L23/552 ,  H01L23/562 ,  H01L24/14 ,  H01L24/16 ,  H01L2224/1403 ,  H01L2224/16165

Abstract: A semiconductor device includes a chip, a plurality of first bumps, and a plurality of second bumps. The chip includes an active surface. The first bumps are disposed on the active surface along a first direction. The second bumps are disposed on the active surface along a second direction parallel to the first direction, wherein one of the second bumps is located between adjacent two of the first bumps, a closest distance from the second bumps to the fan-out region is smaller than a closest distance from the first bumps to the fan-out region, and a first width of one of the first bumps is larger than a second width of one of the second bumps.

公开(公告)号：US09886644B2

公开(公告)日：2018-02-06

申请号：US14334647

申请日：2014-07-17

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Yu-Hsing Chuang

IPC: G06K9/46 ,  G09G3/34

CPC classification number: G06K9/46 ,  G06K9/2027 ,  G06K9/3233 ,  G06K9/4642 ,  G06K9/52 ,  G06K2009/4666 ,  G09G3/3426 ,  G09G2320/0646 ,  G09G2320/066 ,  G09G2330/021 ,  G09G2360/16

Abstract: An image processing method includes: dividing a frame into a plurality of image regions; analyzing contents of the image regions to obtain respective first regional characteristic values of the image regions; obtaining a global characteristic value according to the first regional characteristic values of the image regions; and controlling at least one of a backlight and a panel according to the first regional characteristic values and/or the global characteristic value.

公开(公告)号：US09875711B2

公开(公告)日：2018-01-23

申请号：US15016295

申请日：2016-02-05

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Hsiang Fang ,  Jhih-Siou Cheng

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G2300/0408 ,  G09G2310/0251 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A gate driver and an operation method thereof are provided. The gate driver includes clock transmission wires and driving circuits. The clock transmission wires are configured to transmit clock signals having different phases. Each of the driving circuits has a clock input terminal, a pre-charge terminal, a discharge control terminal and an output terminal. The output terminals are configured to drive gate lines of a display panel. The driving circuits are grouped into several driving circuit groups. The driving circuits belonging to a first driving circuit group among the driving circuit groups are called first driving circuits. The clock input terminals of the first driving circuits are coupled to different transmission wires among the clock transmission wires. The pre-charge terminals of the first driving circuits commonly receive a first pre-charge signal. The discharge control terminals of the first driving circuits commonly receive a first discharge control signal.

公开(公告)号：US20180011593A1

公开(公告)日：2018-01-11

申请号：US15712148

申请日：2017-09-22

Applicant: Novatek Microelectronics Corp.

Inventor： Hui-Hung Chang ,  Meng-Hsiu Wu

IPC: G06F3/041 ,  G06F13/36 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/044 ,  G06F8/71 ,  G06F13/36

Abstract: An electronic apparatus with a touch panel including a host controller, an interface unit, and a touch panel control unit is provided. The host controller is used to control an electronic apparatus implemented with the host controller. The touch panel control unit is coupled to the host controller through the interface unit. The host controller transmits an updating information to the touch panel control unit with a format of the interface unit, in which the updating data is used to update the touch panel control unit. The touch panel control unit decodes the updating data to accordingly update.

公开(公告)号：US20180005554A1

公开(公告)日：2018-01-04

申请号：US15706776

申请日：2017-09-18

Applicant: Novatek Microelectronics Corp.

Inventor： Ji-Ting Chen ,  Wei-Hsiang Hung

IPC: G09G3/00 ,  H04N5/14 ,  H02J4/00

CPC classification number: G09G3/00 ,  G09G2320/0276 ,  G09G2320/0626 ,  H02J4/00 ,  H04N5/148 ,  Y10T307/461

Abstract: An operational amplifier applicable to a display device is provided. The operational amplifier having multiple output stages. The operational amplifier includes an input stage, an output stage selection module and a plurality of output stages. The output stage selection module is coupled to the input stage. Each of the output stages is coupled to the output stage selection module and is coupleable to drive a corresponding one of a plurality of loads. The output stage selection module is configured to selectively couple or discouple each of the output stages respectively to the input stage according to a plurality of selection signal. Furthermore, a load driving apparatus and a grayscale voltage generating circuit are also provided.

公开(公告)号：US09860512B2

公开(公告)日：2018-01-02

申请号：US13925847

申请日：2013-06-25

Applicant: Novatek (Shanghai)Co., Ltd. ,  Novatek Microelectronics Corp.

Inventor： Lei Zhou ,  Heng Yu ,  Guang-Zhi Liu ,  Chun Wang

IPC: H04N13/00

CPC classification number: H04N13/139 ,  H04N2213/007

Abstract: A display apparatus and an image display method of the display apparatus are provided, and the image display method includes following steps. Video contents that include a plurality of single frame images are received. A detection zone of the single frame images is determined according to a current scale mode of the display apparatus, and the different scale modes correspond to the different detection zones. The detection zone of each single frame image is detected to determine an image format of the video contents. A play mode of the display apparatus is adjusted according to the image format, and the video contents which are scaled are displayed by the display apparatus in the play mode.