公开(公告)号：US11495159B2

公开(公告)日：2022-11-08

申请号：US17012070

申请日：2020-09-04

Applicant: Novatek Microelectronics Corp.

Inventor： Hsueh-Yen Yang ,  Kai-Min Yang ,  Feng-Ting Pai

IPC: G02F1/1335 ,  G09G3/20 ,  G09G3/36

Abstract: A display device including a plurality of sub-pixel arrays is provided. Each of sub-pixel arrays includes a plurality of first sub-pixels, at least one second sub-pixel and at least one third sub-pixel. The first sub-pixels have a first color and form a plurality of vertexes of a virtual quadrilateral. There is not any other first sub-pixels having the first color located in the virtual quadrilateral. The second sub-pixel has a second color different from the first color and is located in the virtual quadrilateral. The third sub-pixel has a third color different from the first color and the second color and is located in the virtual quadrilateral.

公开(公告)号：US11494016B2

公开(公告)日：2022-11-08

申请号：US17145408

申请日：2021-01-11

Applicant: Novatek Microelectronics Corp.

Inventor： Yu-Ying Tang ,  Ching-Yang Pai ,  Chih-Chang Lai

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: A touch integrated display device includes a substrate, at one metal layer, a touch sensor and trace layer, and a shielding layer. The substrate includes an active area and a fan out area neighbouring to the active area. The metal layer is disposed over the substrate in the active area, extended to the fan out area and includes a plurality of source lines and a plurality of gate lines. The touch sensor and trace layer is disposed over the metal layer in the active area and extended to the fan out area. The shielding layer is at least disposed at an overlap region of the fan out area where the metal layer and the touch sensor and trace layer are overlapped from a top view to shield electromagnetic interference between the metal layer and the touch sensor and trace layer.

公开(公告)号：US20220351700A1

公开(公告)日：2022-11-03

申请号：US17243555

申请日：2021-04-28

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Chi Lin ,  Chin-Chu Wu ,  Chung-Wen Hung

IPC: G09G5/06 ,  G09G5/10 ,  G06T5/50 ,  G09G5/04

Abstract: The disclosure provides an image uniformity compensation device. The image uniformity compensation device includes a local pre-compensation circuit, a chromaticity uniformity compensation circuit, a local post-compensation circuit, and a luminance uniformity correction circuit. A local pre-conversion performed by the local pre-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from an optical non-linear domain to an optical linear domain to generate a corresponding region in multiple regions of a converted frame. A local post-conversion performed by the local post-compensation circuit includes the following. An image frame is divided into multiple regions, and each of the regions is converted from the optical linear domain to the optical non-linear domain to generate a corresponding region in multiple regions of a converted frame.

公开(公告)号：US11490481B2

公开(公告)日：2022-11-01

申请号：US17218068

申请日：2021-03-30

Applicant: Novatek Microelectronics Corp.

Inventor： Jen-Chung Chang ,  Yi-Nung Hu

IPC: H05B45/325

Abstract: A pulse width modulation (PWM) driver and an operation method thereof are provided. The PWM driver includes a PWM generating circuit and multiple driving channels. The PWM generating circuit generates multiple PWM signals. The driving channels drive multiple light emitting elements of a light emitting element array. Each of the driving channels includes a PWM selection circuit. The PWM selection circuits are coupled to the PWM generating circuit to receive the PWM signals. Each of the PWM selection circuits selects a PWM signal from the PWM signals according to corresponding sub-pixel data. The selected PWM signal is output to at least one corresponding light emitting element among the light emitting elements.

公开(公告)号：US20220343837A1

公开(公告)日：2022-10-27

申请号：US17726558

申请日：2022-04-22

Applicant: Novatek Microelectronics Corp.

Inventor： Jhih-Siou Cheng ,  Chun-Fu Lin ,  Tung-Shuan Cheng ,  Po-Hsiang Fang ,  Ju-Lin Huang

IPC: G09G3/32

Abstract: A display driver for driving a display device including a pixel array is provided. The display driver includes a plurality of driving channels. The driving channels is configured to output driving signals in a pulse width modulation manner to drive the pixel array to illuminate in a first frame period which is being divided into a plurality of subframe periods. A first driving channel of the plurality of driving channels outputs a first driving signal in a first subframe period combination. A second driving channel of the plurality of driving channels outputs a second driving signal in a second subframe period combination different than the first subframe period combination. Each of the first subframe period combination and the second subframe period combination comprises at least one subframe period of the first frame period.

公开(公告)号：US11468705B1

公开(公告)日：2022-10-11

申请号：US17352388

申请日：2021-06-21

Applicant: Novatek Microelectronics Corp.

Inventor： Po-Jui Liao ,  Yu-Hsiang Huang ,  Kuei-Chung Chang

IPC: G09G5/00 ,  G06V40/12 ,  H01L27/32 ,  G06F21/84 ,  G06F21/32 ,  G06V40/13

Abstract: A display device with a fingerprint sensing function is provided. The display device includes a display panel and a sensor panel. The display panel includes a plurality of display pixels. The sensor panel is disposed under the display panel. The sensor panel includes a plurality of sensor pixels arranged in an array. The array has a first sensor pitch in a first direction. Each of the sensor pixels includes a sensor. Every two neighboring sensors of the sensors have a first shift pitch in the first direction, and the first shift pitch is not equal to the first sensor pitch.

公开(公告)号：US20220322509A1

公开(公告)日：2022-10-06

申请号：US17218068

申请日：2021-03-30

Applicant: Novatek Microelectronics Corp.

Inventor： Jen-Chung Chang ,  Yi-Nung Hu

IPC: H05B45/325

Abstract: A pulse width modulation (PWM) driver and an operation method thereof are provided. The PWM driver includes a PWM generating circuit and multiple driving channels. The PWM generating circuit generates multiple PWM signals. The driving channels drive multiple light emitting elements of a light emitting element array. Each of the driving channels includes a PWM selection circuit. The PWM selection circuits are coupled to the PWM generating circuit to receive the PWM signals. Each of the PWM selection circuits selects a PWM signal from the PWM signals according to corresponding sub-pixel data. The selected PWM signal is output to at least one corresponding light emitting element among the light emitting elements.

公开(公告)号：US20220317965A1

公开(公告)日：2022-10-06

申请号：US17216701

申请日：2021-03-30

Applicant: Novatek Microelectronics Corp.

Inventor： Wen-Chi Lin ,  Yuan-Yung Liao ,  Chung-Wen Wu ,  Chi-Han Lee ,  Jiun-Yi Lin ,  Po-Jui Huang ,  Chung-Wen Hung

IPC: G06F3/14 ,  F21V23/00 ,  G09G5/00

Abstract: The disclosure provides a light cabinet, including multiple light boards and multiple light-board controllers. The light boards form a first light-board array of the light cabinet. The light-board controllers are arranged one-to-one on the light boards. The light-board controllers of the light boards in a first column of the first light-board array are connected in series to form a first controller string. The output terminal of the first controller string is connected electrically to an input terminal of a second controller string in a corresponding column of a second light-board array of another light cabinet. The input terminal of the first controller string is connected electrically to a first output terminal of a video data splitter (or an output terminal of a third controller string in a corresponding column of a third light-board array of yet another light cabinet).

公开(公告)号：US11461888B2

公开(公告)日：2022-10-04

申请号：US16933979

申请日：2020-07-20

Applicant: Novatek Microelectronics Corp.

Inventor： Li-Chieh Chen ,  Yen-Tao Liao

IPC: G06T7/00

Abstract: The disclosure provides a method and an image processor for computing decay factors for display degradation compensation. The method includes the following steps. A sequence of frames including a current frame are received. Whether the current frame is a dynamic frame or a static frame is determined. When the current frame is the dynamic frame, accumulation on decay factors is performed. When the current frame is the static frame, accumulation on the decay factors is not performed.

公开(公告)号：US11443546B1

公开(公告)日：2022-09-13

申请号：US17233570

申请日：2021-04-19

Applicant: NOVATEK Microelectronics Corp.

Inventor： Min Huang

IPC: G06V40/13 ,  G06F21/32 ,  G06V40/12 ,  G06F3/041

Abstract: A fingerprint sensing signal correction method for a fingerprint sensing signal correction device including a plurality of fingerprint sensors integrated inside of a display panel of an electronic device is disclosed. The method includes obtaining a plurality of environmental voltages of the display panel during a pre-scanning mode; generating a plurality of correction voltages associated with the plurality of environmental voltages during a signal processing mode; and canceling the plurality of environmental voltages from a plurality of amplified sensing voltages to generate a plurality of corrected sensing voltages during a normal mode.