公开(公告)号：US11361476B2

公开(公告)日：2022-06-14

申请号：US17020705

申请日：2020-09-14

Applicant: Apple Inc.

Inventor： Vincent Z. Young ,  Can Jin ,  Mahesh B. Chappalli ,  Peter F. Holland ,  Nicolas Pierre Marie Frederic Bonnier

IPC: G06T11/00 ,  G09G3/20 ,  G06T1/20

Abstract: An electronic device may include a display panel with pixels that present an image based on image data and an application processor that generates the image data. The electronic device may include a display pipeline coupled to the electronic display and the application processor. The display pipeline may receive first image data from the application processor corresponding to a first color space used by the application processor. The display pipeline may apply a color mapping relationship to the first image data to generate second image data. The color mapping relationship may define a transform to apply to the first image data to generate the second image data corresponding to a second color space used by the electronic display. The display pipeline may transmit the second image data to a display driver that operates the electronic display to emit light according to the second image data.

公开(公告)号：US20240177276A1

公开(公告)日：2024-05-30

申请号：US18437152

申请日：2024-02-08

Applicant: Apple Inc.

Inventor： Mahesh B. Chappalli ,  Vincent Z. Young

IPC: G06T5/70 ,  G06T1/20 ,  G06T3/4007 ,  G06T5/50

CPC classification number: G06T5/70 ,  G06T1/20 ,  G06T3/4007 ,  G06T5/50

Abstract: Methods and systems include receiving, at de-ringing circuitry of a display pipeline of an electronic device, scaled image content based on image data. The de-ringing circuitry also receives a fallback scaler output. The de-ringing circuitry determines whether the image data has a change frequency greater than a threshold. In response to the change frequency being above the threshold, the de-ringing circuitry determines a weight. Based at least in part on the weight, the de-ringing circuitry blends the scaled image content and the fallback scaler output based at least in part on the weight.

公开(公告)号：US11941783B2

公开(公告)日：2024-03-26

申请号：US17149425

申请日：2021-01-14

Applicant: Apple Inc.

Inventor： Mahesh B. Chappalli ,  Vincent Z. Young

IPC: G06T5/00 ,  G06T1/20 ,  G06T3/40 ,  G06T3/4007 ,  G06T5/50

CPC classification number: G06T5/002 ,  G06T1/20 ,  G06T3/4007 ,  G06T5/50

Abstract: Methods and systems include receiving, at de-ringing circuitry of a display pipeline of an electronic device, scaled image content based on image data. The de-ringing circuitry also receives a fallback scaler output. The de-ringing circuitry determines whether the image data has a change frequency greater than a threshold. In response to the change frequency being above the threshold, the de-ringing circuitry determines a weight. Based at least in part on the weight, the de-ringing circuitry blends the scaled image content and the fallback scaler output based at least in part on the weight.

公开(公告)号：US20220084260A1

公开(公告)日：2022-03-17

申请号：US17020705

申请日：2020-09-14

Applicant: Apple Inc.

Inventor： Vincent Z. Young ,  Can Jin ,  Mahesh B. Chappalli ,  Peter F. Holland ,  Nicolas Pierre Marie Frederi Bonnier

IPC: G06T11/00 ,  G06T1/20 ,  G09G3/20

Abstract: An electronic device may include a display panel with pixels that present an image based on image data and an application processor that generates the image data. The electronic device may include a display pipeline coupled to the electronic display and the application processor. The display pipeline may receive first image data from the application processor corresponding to a first color space used by the application processor. The display pipeline may apply a color mapping relationship to the first image data to generate second image data. The color mapping relationship may define a transform to apply to the first image data to generate the second image data corresponding to a second color space used by the electronic display. The display pipeline may transmit the second image data to a display driver that operates the electronic display to emit light according to the second image data.

公开(公告)号：US20240404445A1

公开(公告)日：2024-12-05

申请号：US18328661

申请日：2023-06-02

Applicant: Apple Inc.

Inventor： Vincent Z. Young ,  Mahesh B. Chappalli ,  Maofeng Yang ,  Weijun Yao

IPC: G09G3/20 ,  G09G3/36

Abstract: An electronic device may include a display panel comprising a plurality of display pixels, an image source configured to store image data, and image processing circuitry. The image processing circuitry may receive the image data configured to be displayed by the plurality of display pixels, wherein the image data comprises gray level data for a first display pixel of the plurality of display pixels, convert the gray level data to first voltage data, and select a plurality of compensation maps based on a brightness level of the display panel. The image processing circuitry may also determine a voltage offset value based on the input voltage and the plurality of compensation maps, apply the voltage offset value to the first voltage data to generate compensated voltage data, and convert the compensated voltage data into compensated gray level data for the first display pixel.

公开(公告)号：US20220067885A1

公开(公告)日：2022-03-03

申请号：US17149425

申请日：2021-01-14

Applicant: Apple Inc.

Inventor： Mahesh B. Chappalli ,  Vincent Z. Young

IPC: G06T5/00 ,  G06T3/40 ,  G06T1/20 ,  G06T5/50

Abstract: Methods and systems include receiving, at de-ringing circuitry of a display pipeline of an electronic device, scaled image content based on image data. The de-ringing circuitry also receives a fallback scaler output. The de-ringing circuitry determines whether the image data has a change frequency greater than a threshold. In response to the change frequency being above the threshold, the de-ringing circuitry determines a weight. Based at least in part on the weight, the de-ringing circuitry blends the scaled image content and the fallback scaler output based at least in part on the weight.