公开(公告)号：US20220262320A1

公开(公告)日：2022-08-18

申请号：US17673807

申请日：2022-02-17

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chieh-Hsiang Chang

IPC: G09G3/3291

Abstract: A method for a display driver circuit configured to drive a display panel includes steps of: determining whether a plurality of first data codes corresponding to first data voltages to be output through a multiplexer to data lines in the display panel during a first horizontal line period equal; determining whether each of the first data codes equals a corresponding second data code among a plurality of second data codes corresponding to second data voltages to be output through the multiplexer to the data lines during a second horizontal line period immediately after the first horizontal line period; and in response to that the first data codes equal and each of the first data codes equal the corresponding second data code, outputting a control signal to keep a switch of the multiplexer staying in a turn-on state after the switch is turned on for outputting a first data voltage.

公开(公告)号：US20220254305A1

公开(公告)日：2022-08-11

申请号：US17721337

申请日：2022-04-14

Applicant: Novatek Microelectronics Corp.

Inventor： Che-Wei Yeh ,  Keko-Chun Liang ,  Yu-Hsiang Wang ,  Yong-Ren Fang ,  Yi-Chuan Liu

IPC: G09G3/32

Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.

公开(公告)号：US11373391B2

公开(公告)日：2022-06-28

申请号：US16984159

申请日：2020-08-04

Applicant: Novatek Microelectronics Corp.

Inventor： Hung-Chang Chuang ,  Chaohsu Hsu

IPC: G06T5/00 ,  G06V10/30 ,  G06V10/56 ,  G06V20/52

Abstract: An image processing device determining image adjustment parameters in real time so as to facilitate modifying the image adjustment parameters includes an image input device acquiring an original image signal and output a first image signal; a parameter adjustment device modifying image adjustment parameters; an image processing circuit receiving the first image signal and the image adjustment parameters and adjusting the first image signal according to the image adjustment parameters to output a second image signal; an information label circuit coupling to the image processing circuit and receiving the second image signal and internal information of the image processing circuit and labeling at least one part of the second image signal according to the internal information to generate a labeled output image; and an image output device coupling to the information label circuit and outputting the labeled output image having at least one label indicating the internal information.

公开(公告)号：US11366544B2

公开(公告)日：2022-06-21

申请号：US16882740

申请日：2020-05-25

Applicant: Novatek Microelectronics Corp.

Inventor： Yen-Cheng Cheng

IPC: G06F3/041 ,  G06F3/044

Abstract: A driver chip including a receiving structure, a shielding structure, and a touch control circuit is provided. The receiving structure can receive a touch sensing signal. The shielding structure can be disposed aside the receiving structure. The shielding structure can shield at least one parasitic capacitor coupled to the receiving structure. The touch control circuit can be connected to the receiving structure and configured to receive the touch sensing signal. An electronic device including a driver chip is also provided.

公开(公告)号：US20220189196A1

公开(公告)日：2022-06-16

申请号：US17548602

申请日：2021-12-13

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： WEILUN SHIH ,  WU-WEI LIN

IPC: G06V40/12 ,  G06F3/041 ,  G06V10/22

Abstract: A method and device of fingerprint image generation for saving memory. The method includes generating a first fingerprint image of an original data size according to a plurality of first analog sensing signals which are read from a fingerprint sensor array before an exposure period ends. Then the first fingerprint image represented by a first data size which is equivalent to or smaller than the original data size is stored. a second fingerprint image of the original data size is generated after generating the first fingerprint image of the original data size according to a plurality of second analog sensing signals which are read from the fingerprint sensor array during the exposure period. The second fingerprint image represented by a compressed data size smaller than the original data size is then stored.

公开(公告)号：US11355088B2

公开(公告)日：2022-06-07

申请号：US16817619

申请日：2020-03-13

Applicant: Novatek Microelectronics Corp.

Inventor： Chia-Hsin Tung

IPC: G09G5/36 ,  G06T13/80

Abstract: A display driver device including a driver circuit and a control circuit is provided. The driver circuit is configured to drive a display panel to display an animated image for a display period under an always on display mode according to display information of the animated image stored in a storage circuit. The display period includes a writing period and a non-writing period after the writing period. The control circuit is configured to write the display information of the animated image received from an external device into the storage circuit during the writing period of the display period. The control circuit is configured to stop receiving the display information from the external device and writing any display information into the storage circuit during the non-writing period of the display period. A display device including the display driver device and an operating method for the display driver device are also provided.

公开(公告)号：US11341904B2

公开(公告)日：2022-05-24

申请号：US17138772

申请日：2020-12-30

Applicant: Novatek Microelectronics Corp.

Inventor： Che-Wei Yeh ,  Keko-Chun Liang ,  Yu-Hsiang Wang ,  Yong-Ren Fang ,  Yi-Chuan Liu

IPC: G09G3/32

Abstract: A LED driving apparatus with clock embedded cascaded LED drivers is introduced, including: a plurality of LED drivers, wherein the first stage LED driver receives an original data signal and outputs a first data signal, the Nth stage LED driver receives a (N−1)th data signal and outputs a Nth data signal. The Nth stage LED driver includes a clock data recovery circuit generating a recovery clock signal and a recovery data signal according to the (N−1)th data signal; and a first transmitter outputting the Nth data signal according to the recovery clock signal and the recovery data signal.

公开(公告)号：US11340738B2

公开(公告)日：2022-05-24

申请号：US16996197

申请日：2020-08-18

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： Chun-Yi Chou

IPC: G06F3/044 ,  G06F3/041 ,  G06V40/13

Abstract: A method for force sensing using information from a display panel with a touch sensor and a fingerprint sensor is introduced. The method includes: obtaining, based on touch sensing data from a touch sensing circuit coupled to the touch sensor, first sensing information indicating capacitance value distribution over a touch sensing area due to pressing of an object on the display panel; obtaining, based on fingerprint sensing data from a fingerprint sensing circuit coupled to the fingerprint sensor, second sensing information indicating an effective pressing area due to the pressing of the object; and generating third sensing information indicating a force corresponding to the pressing of the object, based on the first sensing information and the second sensing information. An electronic module capable of facilitating force sensing and computing apparatus capable of force sensing are also provided.

公开(公告)号：US20220159226A1

公开(公告)日：2022-05-19

申请号：US17179440

申请日：2021-02-19

Applicant: NOVATEK MICROELECTRONICS CORP.

Inventor： HUNG-MING WANG ,  YUAN-PO CHENG

IPC: H04N9/76 ,  H04N19/44 ,  H04N9/64

Abstract: A device and method for blending image data and the alpha channel and reconstructing to obtain the image again after transmission. An encoder blends the alpha channel and the red-green-blue (RGB) image data through a layer blending method that is supported by the general application processor (AP). Transporter image data, such as a checkerboard pattern, is blended with 1-alpha channel data to obtain a transporter. The blended image data (RGB+alpha) is mixed with the transporter to obtain mixed image data. The mixed image data is then transmitted through the existing transmission interface. After receiving the mixed image data, reconstruction processing is performed by a decoder to obtain the original RGB image data and the alpha channel again.

公开(公告)号：US20220149006A1

公开(公告)日：2022-05-12

申请号：US17152806

申请日：2021-01-20

Applicant: NOVATEK Microelectronics Corp.

Inventor： Chien-Chen KO ,  Teng-Jui YU ,  Wei-Kang TSAI

IPC: H01L25/065 ,  H01L23/544 ,  H01L23/528

Abstract: A package structure includes a first chip and a second chip. The first chip is connected to a pair of first signal lines and a plurality of first power lines. The second chip is connected to a pair of second signal lines and a plurality of second power lines. The first chip and the second chip belong to a common wafer. A separated street is between the first chip and the second chip.