公开(公告)号：US11645976B2

公开(公告)日：2023-05-09

申请号：US17648074

申请日：2022-01-14

Applicant: Apple Inc.

Inventor： Derek K. Shaeffer ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang ,  Sam S. Li ,  John T. Wetherell ,  Henry C. Jen ,  Xiang Lu ,  Hasan Akyol ,  Hopil Bae ,  Xiang Fang ,  Hjalmar Edzer Ayco Huitema ,  Tore Nauta

IPC: G09G3/3216 ,  H01L27/32 ,  G09G3/20 ,  H05B45/20

CPC classification number: G09G3/3216 ,  G09G3/2003 ,  H01L27/3281 ,  H05B45/20 ,  G09G2310/0243 ,  G09G2310/0264

Abstract: Local passive matrix displays and methods of operation are described. In an embodiment, the display includes a pixel driver chip coupled with a matrix of rows and columns of LEDs. The pixel driver chips may be arranged in rows across the display with separate portions to operate separate matrices of LEDs.

公开(公告)号：US11532259B2

公开(公告)日：2022-12-20

申请号：US15764257

申请日：2016-09-20

Applicant: Apple Inc.

Inventor： Mohammad B Vahid Far ,  Hopil Bae ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang

IPC: G09G3/00 ,  G09G3/3225 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3208 ,  G11C19/28

Abstract: An electronic display includes an active area including multiple pixels. The electronic display also includes a first row driver set including a first column of row drivers and a second column of row drivers. A first active row driver in the first column of row drivers drives a first portion of the multiple pixels, and a first spare row driver in the second column of row drivers is in an inactive state. The electronic display also includes a second row driver set including a third column of row drivers and a fourth column of row drivers. A third active row driver in the third column of row drivers drives a second portion of the multiple pixels, and a second spare row driver in the fourth column of row drivers is inactive.

公开(公告)号：US20220246082A1

公开(公告)日：2022-08-04

申请号：US17727197

申请日：2022-04-22

Applicant: Apple Inc.

Inventor： Xiang Lu ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang ,  Derek K. Shaeffer ,  Henry C. Jen ,  Hopil Bae

IPC: G09G3/20 ,  G09G3/3216 ,  G09G3/3275

Abstract: Hybrid architectures and method methods of operating a display panel are described. In an embodiment, row driver and pixel driver functions are combined in a group of backbone hybrid pixel driver chips, wherein global signal lines are distributed to the backbone hybrid pixel driver chips, where the global signals are manipulated and distributed to a row of pixel driver chips.

公开(公告)号：US10762836B1

公开(公告)日：2020-09-01

申请号：US15275023

申请日：2016-09-23

Applicant: Apple Inc.

Inventor： Hopil Bae ,  Wei H. Yao ,  Mohammad B. Vahid Far ,  Yafei Bi ,  Xiaofeng Wang ,  Thomas Charisoulis ,  Hasan Akyol ,  Henry C. Jen ,  Derek K. Shaeffer

IPC: G09G3/3233

Abstract: An electronic display row drivers or column drivers that send reference currents or voltages to microdrivers to be used to drive micropixels to particular levels. The microdrivers, in turn, ship current to micropixels that display images based at least in part on the shipped current.

公开(公告)号：US10360826B2

公开(公告)日：2019-07-23

申请号：US15273458

申请日：2016-09-22

Applicant: Apple Inc.

Inventor： Yafei Bi ,  Xiaofeng Wang ,  Haifeng Li ,  Mohammad B. Vahid Far ,  Hopil Bae ,  Hung Shen Lin ,  Hyunwoo Nho ,  Wei H. Yao

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/00

Abstract: An electronic device includes one or more unit pixels with a first node, a second node, and a third node. The device includes light-emitting-diode (LED) voltage (Vled) sensing circuitry, that senses Vled of the one or more unit pixels, by: sampling a charge of a capacitor of the one or more unit pixels, transitioning from the sampling, and reading out the Vled based upon a change in the charge of the capacitor, such that an operation of the unit pixel may be modified based upon the Vled.

公开(公告)号：US20180286300A1

公开(公告)日：2018-10-04

申请号：US15764257

申请日：2016-09-20

Applicant: Apple Inc.

Inventor： Mohammad B Vahid Far ,  Hopil Bae ,  Mahid Farrokh Baroughi ,  Xiaofeng Wang

IPC: G09G3/20 ,  G11C19/28 ,  G09G3/3208 ,  G09G3/00

Abstract: An electronic display includes an active area including multiple pixels. The electronic display also includes a first row driver set including a first column of row drivers and a second column of row drivers. A first active row driver in the first column of row drivers drives a first portion of the multiple pixels, and a first spare row driver in the second column of row drivers is in an inactive state. The electronic display also includes a second row driver set including a third column of row drivers and a fourth column of row drivers. A third active row driver in the third column of row drivers drives a second portion of the multiple pixels, and a second spare row driver in the fourth column of row drivers is inactive.

公开(公告)号：US11727850B2

公开(公告)日：2023-08-15

申请号：US17727197

申请日：2022-04-22

Applicant: Apple Inc.

Inventor： Xiang Lu ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang ,  Derek K. Shaeffer ,  Henry C. Jen ,  Hopil Bae

IPC: G09G3/20 ,  G09G3/3216 ,  G09G3/3275 ,  H10K59/17

CPC classification number: G09G3/2085 ,  G09G3/3216 ,  G09G3/3275 ,  H10K59/17

Abstract: Hybrid architectures and method methods of operating a display panel are described. In an embodiment, row driver and pixel driver functions are combined in a group of backbone hybrid pixel driver chips, wherein global signal lines are distributed to the backbone hybrid pixel driver chips, where the global signals are manipulated and distributed to a row of pixel driver chips.

公开(公告)号：US11645957B1

公开(公告)日：2023-05-09

申请号：US17399963

申请日：2021-08-11

Applicant: Apple Inc.

Inventor： John T. Wetherell ,  Hasan Akyol ,  Xuebei Yang ,  Xiaofeng Wang ,  Hopil Bae

IPC: G09G3/20 ,  G09G3/00 ,  G09G3/3283 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G3/3283 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2330/12

Abstract: Embodiments disclosed herein provide systems and methods for testing and repairing various aspects of an electronic display. The electronic display includes a reference array and an active array. The electronic display also includes test circuitry used to test individual or any combination of pixels of the electronic display. Switches may be disposed between the pixels and the test circuitry to be to repair the various components of the electronic display.

公开(公告)号：US20230013734A1

公开(公告)日：2023-01-19

申请号：US17933884

申请日：2022-09-21

Applicant: Apple Inc.

Inventor： Mohammad B Vahid Far ,  Hopil Bae ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang

IPC: G09G3/20 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/00 ,  G11C19/28 ,  G09G3/3208

Abstract: An electronic display includes an active area including multiple pixels. The electronic display also includes a first row driver set including a first column of row drivers and a second column of row drivers. A first active row driver in the first column of row drivers drives a first portion of the multiple pixels, and a first spare row driver in the second column of row drivers is in an inactive state. The electronic display also includes a second row driver set including a third column of row drivers and a fourth column of row drivers. A third active row driver in the third column of row drivers drives a second portion of the multiple pixels, and a second spare row driver in the fourth column of row drivers is inactive.

公开(公告)号：US11263963B2

公开(公告)日：2022-03-01

申请号：US16272492

申请日：2019-02-11

Applicant: Apple Inc.

Inventor： Derek K. Shaeffer ,  Mahdi Farrokh Baroughi ,  Xiaofeng Wang ,  Sam S. Li ,  John T. Wetherell ,  Henry C. Jen ,  Xiang Lu ,  Hasan Akyol ,  Hopil Bae ,  Xiang Fang ,  Hjalmar Edzer Ayco Huitema ,  Tore Nauta

IPC: G09G3/3216 ,  H01L27/32 ,  G09G3/20 ,  H05B45/20

Abstract: Local passive matrix displays and methods of operation are described. In an embodiment, the display includes a pixel driver chip coupled with a matrix of rows and columns of LEDs. The pixel driver chips may be arranged in rows across the display with separate portions to operate separate matrices of LEDs.