公开(公告)号：US12236850B2

公开(公告)日：2025-02-25

申请号：US18334914

申请日：2023-06-14

Applicant: Apple Inc.

Inventor： Sunmin Jang ,  Ce Zhang ,  Hopil Bae ,  Mahdi Farrokh Baroughi ,  Pablo Moreno Galbis ,  Paolo Sacchetto ,  Yaser Azizi ,  Young Don Bae

IPC: G09G3/32

Abstract: To reduce image artifacts induced by temperature variations associated with display pixels of an electronic display, processing circuitry may process temperature sensing data to obtain an average temperature and a temperature distribution of the electronic display. Based on the processed temperature data, the processing circuit may adjust a reference voltage applied to the display pixels to compensate for the average temperate. To further correct for the image artifacts, the processing circuitry may transform image data to luminance domain. Based on the processed temperature data, the processing may adjust luminance vales of the image data to compensate for the temperature distribution.

公开(公告)号：US12243465B2

公开(公告)日：2025-03-04

申请号：US18296934

申请日：2023-04-06

Applicant: Apple Inc.

Inventor： Sunmin Jang ,  Mahdi Farrokh Baroughi ,  Saif Choudhary ,  Hopil Bae ,  Gautam Agrawal ,  Ionut A Mirel ,  Hari P Paudel ,  Haitao Li ,  Wei H Yao ,  Mahesh B Chappalli ,  Young Don Bae

IPC: G09G3/20 ,  G09G3/32

Abstract: To reduce image artifacts and non-uniformity associated with a display pixel of an electronic display, processing circuity may adjust a luminance value corresponding to a display pixel according to a per-pixel gain mask, a per-pixel anode mask, or both. To further correct for the non-uniformity, the processing circuitry may convert the luminance value to a digital code based on a curve associated with an anode on which the display pixel is located.

公开(公告)号：US20240105115A1

公开(公告)日：2024-03-28

申请号：US18368982

申请日：2023-09-15

Applicant: Apple Inc.

Inventor： Mahdi Farrokh Baroughi ,  Ce Zhang ,  Haitao Li ,  Hari P. Paudel ,  Hopil Bae ,  Jeongsup Lee ,  Nikhil Acharya ,  Pablo Moreno Galbis ,  Seung B. Rim ,  SeyedAli TaheriTari ,  Shengzhe Jiao ,  Stanley B. Wang ,  Sunmin Jang ,  Xiang Lu ,  Yaser Azizi ,  Young Don Bae

IPC: G09G3/3216

CPC classification number: G09G3/3216 ,  G09G2320/041 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2360/144

Abstract: Electronic devices, displays, and methods are provided for operating an electronic display in coexistence with sensors that could be adversely impacted by the operation of the electronic display. An electronic device may include an electronic display and a sensor. The electronic display may display image content by light emission during an emission period and periodically enter a quiet period in which the light emission of the electronic display is turned off. The sensor may perform sensing operations during the quiet period without interference from the operation of the electronic display.

公开(公告)号：US20240005848A1

公开(公告)日：2024-01-04

申请号：US18210060

申请日：2023-06-14

Applicant: Apple Inc.

Inventor： Jeongsup Lee ,  Hasan Akyol ,  Xiang Lu ,  Mahdi Farrokh Baroughi ,  Nikhil Acharya ,  Haitao Li ,  Hopil Bae ,  John T Wetherell ,  Shengzhe Jiao ,  Stanley B. Wang ,  Sunmin Jang ,  Hari P. Paudel ,  Eric A. Hildebrandt ,  Young Don Bae

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08

Abstract: An electronic device may include an electronic display including display pixels to display an image based on compensated image data. As image data is written to a pixel in the row of pixels, capacitive coupling at a driver may lead to distortion on the driver. In particular, the capacitive coupling may cause distortion at a storage capacitor, which may lead to current droop at the pixel. The current droop may be reduced or eliminated in each pixel by performing pixel compensation. The pattern of the pixel compensation may be selected such that, over a number of subframes, an average amount of light is the same or similar to what would be emitted had pixel compensation been performed on each pixel in each subframe.

公开(公告)号：US20230087088A1

公开(公告)日：2023-03-23

申请号：US17894935

申请日：2022-08-24

Applicant: Apple Inc.

Inventor： Mahdi Farrokh Baroughi ,  Sandeep Chalasani ,  Xiang Lu ,  Anurag Mehta ,  Hopil Bae ,  Chaohao Wang ,  Rajesh Velayuthan ,  Steven E. Molesa ,  Yaser Azizi ,  Young Don Bae ,  Sunmin Jang ,  Haitao Li ,  Hari P. Paudel ,  Anatole Huang ,  Tyler R. Kakuda ,  David A. Doyle ,  Wei H. Yao ,  Majid Gharghi ,  Vaibhav D. Patel

IPC: H01L27/15 ,  H01L33/62 ,  G09G3/32 ,  H01L33/38

Abstract: A display may be formed by an array of light-emitting diodes mounted to the surface of a display substrate. The light-emitting diodes may be inorganic light-emitting diodes formed from separate crystalline semiconductor structures. An array of pixel control circuits may be used to control light emission from the light-emitting diodes. Each pixel control circuit may be configured to control one or more respective passive matrices. To control partial pixel cells in the display, a donor pixel control circuit in a partial pixel cell may control the pixels in a receptor partial pixel cell without a pixel control circuit. To mitigate the size of an inactive area of the display, fanout signal lines for the display may be formed in the light-emitting active area of the display. The fanout signal lines may be formed between a row of pixel control circuits and a bottom edge of the light-emitting active area.

公开(公告)号：US20240304163A1

公开(公告)日：2024-09-12

申请号：US18119772

申请日：2023-03-09

Applicant: Apple Inc.

Inventor： Yung-Chin Chen ,  Hopil Bae ,  Mahdi Farrokh Baroughi ,  Sheng Zhang ,  Yanghyo Kim ,  Young Don Bae

IPC: G09G5/12 ,  G09G5/18

CPC classification number: G09G5/12 ,  G09G5/18 ,  G09G2320/041 ,  G09G2320/0673 ,  G09G2340/0435

Abstract: An electronic device uses a leader synchronize signal generator to synchronize clock signal generators used by multiple components in the electronic device to a common time-base. A processor core complex of the electronic device sends per-frame configuration to a timing controller for frames to be displayed on an electronic display before a corresponding frame begins.

公开(公告)号：US20240054945A1

公开(公告)日：2024-02-15

申请号：US18365539

申请日：2023-08-04

Applicant: Apple Inc.

Inventor： Mahdi Farrokh Baroughi ,  Young Don Bae ,  Jeongsup Lee ,  Hari P. Paudel ,  Sunmin Jang ,  Shengzhe Jiao ,  Nikhil Acharya ,  Yaser Azizi ,  Ali RostamPisheh ,  Stanley B. Wang ,  Haitao Li

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2310/0248 ,  G09G2310/08 ,  G09G2320/0257 ,  G09G2320/0233

Abstract: An electronic display may include a first anode configured to carry a red emission signal, a second anode configured to carry a blue emission signal, a third anode configured to carry a green emission signal, and a micro-driver configured to stagger a timing of the red emission signal, the blue emission signal, and the green emission signal based on an emission clock signal to display image content on the electronic display.

公开(公告)号：US20240012515A1

公开(公告)日：2024-01-11

申请号：US18212099

申请日：2023-06-20

Applicant: Apple Inc.

Inventor： Pablo Moreno Galbis ,  Xiang Lu ,  Bin Huang ,  Ling Zhang ,  Nikhil Acharya ,  Derek K. Shaeffer ,  Stanley B. Wang ,  Yongjie Jiang ,  Hopil Bae ,  Jiayi Jin ,  Ce Zhang ,  Young Don Bae ,  Giovanni Azzellino ,  Wooseung Yang ,  Mahdi Farrokh Baroughi ,  Weijun Yao ,  Rajesh Velayuthan ,  Eric A. Hildebrandt ,  Henry C. Jen

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F2203/04107 ,  G06F3/044

Abstract: Touch sensitive display technologies (e.g., integrated touch-display pixel-based systems) are evolving to contain more analog and digital circuits inside the panel itself instead of the traditionally simple thin-film transistors. This improves the display characteristics but makes those circuits more vulnerable to the impact of external ESD strikes, which can degrade the user experience. This disclosure describes a series of circuits and techniques to mitigate the impact of these discharges on front of screen artifacts and potential false touches. These circuits and techniques may include: performing configuration-only panel updates independently of the image refresh rate, improving the in-panel memory circuits to make them resistant to unexpected pin toggles via disabling of a write path in response to a read clock, implementing a pin corruption detector and implementing a supply injection detector.

公开(公告)号：US12283258B2

公开(公告)日：2025-04-22

申请号：US18119772

申请日：2023-03-09

Applicant: Apple Inc.

Inventor： Yung-Chin Chen ,  Hopil Bae ,  Mahdi Farrokh Baroughi ,  Sheng Zhang ,  Yanghyo Kim ,  Young Don Bae

IPC: G09G5/12 ,  G09G5/18

Abstract: An electronic device uses a leader synchronize signal generator to synchronize clock signal generators used by multiple components in the electronic device to a common time-base. A processor core complex of the electronic device sends per-frame configuration to a timing controller for frames to be displayed on an electronic display before a corresponding frame begins.

公开(公告)号：US20250078731A1

公开(公告)日：2025-03-06

申请号：US18618916

申请日：2024-03-27

Applicant: Apple Inc.

Inventor： Baris Posat ,  Rajesh Velayuthan ,  Hooman Torabi Parizi ,  Young Don Bae ,  Hasan Akyol

IPC: G09G3/32

Abstract: In an embodiment, an electronic display may include an electronic display panel that includes a plurality of display pixels configured to emit light; a first pre-charge voltage source; and a second pre-charge voltage source; and a microdriver that may include: a capacitor coupled at a first terminal to the first pre-charge voltage source and coupled at a second terminal to the second pre-charge voltage source; and a buffer. The buffer may include a positive input terminal coupled to the first pre-charge voltage source and the capacitor; an output terminal coupled to a plurality of driving circuits; and a negative input terminal coupled to the output terminal.