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：US20240161680A1

公开(公告)日：2024-05-16

申请号：US17984247

申请日：2022-11-10

Applicant: Novatek Microelectronics Corp.

Inventor： Li-Chieh Chen ,  Yen-Tao Liao

IPC: G09G3/20 ,  G09G3/36

CPC classification number: G09G3/2096 ,  G09G3/3614 ,  G09G3/3685 ,  G09G2310/0291 ,  G09G2330/12

Abstract: A timing controller and a polarity control method thereof are provided. The timing controller includes a line buffer and a check circuit. The line buffer temporarily stores a plurality of sub-pixel data of a current sub-pixel row in an image frame so as to transmit the plurality of sub-pixel data of the current sub-pixel row to a source driver. The check circuit generates a polarity command corresponding to the current sub-pixel row for the source driver to set a polarity inversion mode of the current sub-pixel row. The check circuit checks the plurality of sub-pixel data of the current sub-pixel row so as to determine whether to dynamically change the polarity inversion mode of the current sub-pixel row.

公开(公告)号：US20220020133A1

公开(公告)日：2022-01-20

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：US12112711B1

公开(公告)日：2024-10-08

申请号：US18454083

申请日：2023-08-23

Applicant: Novatek Microelectronics Corp.

Inventor： Li-Chieh Chen ,  Yen-Tao Liao

IPC: G09G3/3275

CPC classification number: G09G3/3275 ,  G09G2300/0819 ,  G09G2320/0233 ,  G09G2320/0242 ,  G09G2320/045

Abstract: The disclosure provides a processor and a pixel degradation compensation method thereof. The processor includes a processing circuit and a pixel degradation compensation circuit. The pixel degradation compensation circuit generates a current degradation value based on current sub-pixel data. The current degradation value represents the degradation effect of the current sub-pixel data on a corresponding sub-pixel in a display module. The pixel degradation compensation circuit may adjust the current degradation value to generate an adjusted degradation value corresponding to the current sub-pixel data. The adjusted degradation value is accumulated to a total degradation value corresponding to the current sub-pixel data. The pixel degradation compensation circuit compensates the current sub-pixel data based on the total degradation value corresponding to the current sub-pixel data so as to generate compensated current sub-pixel data to the display module.

公开(公告)号：US10943531B1

公开(公告)日：2021-03-09

申请号：US16891081

申请日：2020-06-03

Applicant: NOVATEK Microelectronics Corp.

Inventor： Li-Chieh Chen ,  Yen-Tao Liao

IPC: G09G3/3208

Abstract: The present invention provides a decay factor accumulation method for an organic light-emitting diode (OLED) display panel with a variable refresh rate (VRR). The decay factor accumulation method includes detecting an operating frame rate of an input image; generating a decay factor compensation coefficient according to the operating frame rate and a measurement frame rate; and generating a plurality of accumulated decay factors of the input image according to a decay factor lookup table corresponding to the measurement frame rate and the decay factor compensation coefficient.