Mohammad Jafar Navabi-Shirazi

Person

Cupertino, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Open loop backlight LED driver
- Patent number 11,798,462
- Issue date Oct 24, 2023
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Methods and apparatus for controlling display backlight
- Patent number 10,877,314
- Issue date Dec 29, 2020
- Apple Inc.
- Jingdong Chen
- G02 - OPTICS
Information Patent Grant
Frequency-to-current/voltage converter based mixed-mode LED drivers
- Patent number 10,750,595
- Issue date Aug 18, 2020
- Apple Inc.
- Erhan Ozalevli
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Split driver backlightsystems and methods
- Patent number 10,728,969
- Issue date Jul 28, 2020
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Methods and apparatus for controlling display backlight
- Patent number 10,714,028
- Issue date Jul 14, 2020
- Apple Inc.
- Jingdong Chen
- F21 - LIGHTING
Information Patent Grant
Display backlight headroom control systems and methods
- Patent number 10,678,092
- Issue date Jun 9, 2020
- Apple Inc.
- Ji Yeoul Ryoo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Load transient response control systems and methods for electronic...
- Patent number 10,383,186
- Issue date Aug 13, 2019
- Apple Inc.
- Yanhui Xie
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
LED driver headroom voltage control systems and methods
- Patent number 10,269,307
- Issue date Apr 23, 2019
- Apple Inc.
- Yanhui Xie
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Split driver backlight systems and methods
- Patent number 10,237,936
- Issue date Mar 19, 2019
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- G02 - OPTICS
Information Patent Grant
LED driver gate clamp systems and methods
- Patent number 10,129,941
- Issue date Nov 13, 2018
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transformerless AC line isolator
- Patent number 10,075,095
- Issue date Sep 11, 2018
- Apple Inc.
- Asif Hussain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-signal digital controller for isolated system feedback loop
- Patent number 10,063,155
- Issue date Aug 28, 2018
- Apple Inc.
- Behzad Mohtashemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PFM scheme for boost and flyback converter in LED backlight applica...
- Patent number 10,009,968
- Issue date Jun 26, 2018
- Apple Inc.
- Jingdong Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Slew rate enhancement for transient load step response
- Patent number 9,673,701
- Issue date Jun 6, 2017
- Apple Inc.
- Behzad Mohtashemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods and apparatus for improving backlight driver efficiency
- Patent number 9,380,672
- Issue date Jun 28, 2016
- Apple Inc.
- Asif Hussain
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boost converter with a pulse frequency modulation mode for operatin...
- Patent number 9,345,083
- Issue date May 17, 2016
- Apple Inc.
- Asif Hussain
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Short circuit protection
- Patent number 9,185,768
- Issue date Nov 10, 2015
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Display circuitry with dynamic pixel backlight and backlight slopin...
- Patent number 8,976,092
- Issue date Mar 10, 2015
- Apple Inc.
- Asif Hussain
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Systems and methods for light-load efficiency in displays
- Patent number 8,970,200
- Issue date Mar 3, 2015
- Apple Inc.
- Asif Hussain
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
OPEN LOOP BACKLIGHT LED DRIVER
- Publication number 20220130327
- Publication date Apr 28, 2022
- Apple Inc.
- Mohammad J. Navabi-Shirazi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Systems and Methods for LED Driver Headroom Control
- Publication number 20220061135
- Publication date Feb 24, 2022
- Apple Inc.
- Ming Gu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DISPLAY BACKLIGHTING SYSTEMS AND METHODS HAVING CURRENT MIRROR BASE...
- Publication number 20220044643
- Publication date Feb 10, 2022
- Apple Inc.
- Ming Gu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Methods and Apparatus for Controlling Display Backlight
- Publication number 20200105185
- Publication date Apr 2, 2020
- Apple Inc.
- Jingdong Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Methods and Apparatus for Controlling Display Backlight
- Publication number 20200103705
- Publication date Apr 2, 2020
- Apple Inc.
- Jingdong Chen
- G02 - OPTICS
Information Patent Application
SPLIT DRIVER BACKLIGHTSYSTEMS AND METHODS
- Publication number 20190215924
- Publication date Jul 11, 2019
- Apple Inc.
- Mohammad J. NAVABI-SHIRAZI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
SPLIT DRIVER BACKLIGHT SYSTEMS AND METHODS
- Publication number 20190059136
- Publication date Feb 21, 2019
- Apple Inc.
- Mohammad J. NAVABI-SHIRAZI
- G02 - OPTICS
Information Patent Application
LOAD TRANSIENT RESPONSE CONTROL SYSTEMS AND METHODS FOR ELECTRONIC...
- Publication number 20190053337
- Publication date Feb 14, 2019
- Apple Inc.
- Yanhui XIE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DISPLAY BACKLIGHT HEADROOM CONTROL SYSTEMS AND METHODS
- Publication number 20180373094
- Publication date Dec 27, 2018
- Apple Inc.
- Ji Yeoul RYOO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LED DRIVER HEADROOM VOLTAGE CONTROL SYSTEMS AND METHODS
- Publication number 20180336843
- Publication date Nov 22, 2018
- Apple Inc.
- Yanhui XIE
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LED DRIVER GATE CLAMP SYSTEMS AND METHODS
- Publication number 20180332678
- Publication date Nov 15, 2018
- Apple Inc.
- Mohammad J. NAVABI-SHIRAZI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PFM SCHEME FOR BOOST AND FLYBACK CONVERTER IN LED BACKLIGHT APPLICA...
- Publication number 20160345395
- Publication date Nov 24, 2016
- Apple Inc.
- Jingdong CHEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Multi-Signal Digital Controller For Isolated System Feedback Loop
- Publication number 20160329820
- Publication date Nov 10, 2016
- Apple Inc.
- Behzad Mohtashemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Transformerless AC Line Isolator
- Publication number 20160329830
- Publication date Nov 10, 2016
- Apple Inc.
- Asif Hussain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Slew Rate Enhancement For Transient Load Step Response
- Publication number 20160276928
- Publication date Sep 22, 2016
- Apple Inc.
- Behzad Mohtashemi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPLE BACKLIGHT KEYBOARD
- Publication number 20150334799
- Publication date Nov 19, 2015
- Apple Inc.
- Alejandro Lara ASCORRA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BOOST CONVERTER WITH A PULSE FREQUENCY MODULATION MODE FOR OPERATIN...
- Publication number 20150115813
- Publication date Apr 30, 2015
- Apple Inc.
- Asif HUSSAIN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Display Circuitry with Dynamic Pixel Backlight and Backlight Slopin...
- Publication number 20140210697
- Publication date Jul 31, 2014
- Apple Inc.
- Asif Hussain
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
COMPUTER KEYBOARD KEY SCAN SHARED MATRIX WITH AN INDIVIDUAL LED PER...
- Publication number 20140176352
- Publication date Jun 26, 2014
- Apple Inc.
- Asif Hussain
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Methods and Apparatus for Improving Backlight Driver Efficiency
- Publication number 20140159614
- Publication date Jun 12, 2014
- Apple Inc.
- Asif Hussain
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
SHORT CIRCUIT PROTECTION
- Publication number 20140139143
- Publication date May 22, 2014
- Mohammad J. Navabi-Shirazi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR LIGHT-LOAD EFFICIENCY IN DISPLAYS
- Publication number 20140132641
- Publication date May 15, 2014
- Apple Inc.
- Asif Hussain
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Mohammad Jafar Navabi-Shirazi

Person

Patents Grantslast 30 patents

Open loop backlight LED driver

Methods and apparatus for controlling display backlight

Frequency-to-current/voltage converter based mixed-mode LED drivers

Split driver backlightsystems and methods

Methods and apparatus for controlling display backlight

Display backlight headroom control systems and methods

Load transient response control systems and methods for electronic...

LED driver headroom voltage control systems and methods

Split driver backlight systems and methods

LED driver gate clamp systems and methods

Transformerless AC line isolator

Multi-signal digital controller for isolated system feedback loop

PFM scheme for boost and flyback converter in LED backlight applica...

Slew rate enhancement for transient load step response

Methods and apparatus for improving backlight driver efficiency

Boost converter with a pulse frequency modulation mode for operatin...

Short circuit protection

Display circuitry with dynamic pixel backlight and backlight slopin...

Systems and methods for light-load efficiency in displays

Patents Applicationslast 30 patents

OPEN LOOP BACKLIGHT LED DRIVER

Systems and Methods for LED Driver Headroom Control

DISPLAY BACKLIGHTING SYSTEMS AND METHODS HAVING CURRENT MIRROR BASE...

Methods and Apparatus for Controlling Display Backlight

Methods and Apparatus for Controlling Display Backlight

SPLIT DRIVER BACKLIGHTSYSTEMS AND METHODS

SPLIT DRIVER BACKLIGHT SYSTEMS AND METHODS

LOAD TRANSIENT RESPONSE CONTROL SYSTEMS AND METHODS FOR ELECTRONIC...

DISPLAY BACKLIGHT HEADROOM CONTROL SYSTEMS AND METHODS

LED DRIVER HEADROOM VOLTAGE CONTROL SYSTEMS AND METHODS

LED DRIVER GATE CLAMP SYSTEMS AND METHODS

PFM SCHEME FOR BOOST AND FLYBACK CONVERTER IN LED BACKLIGHT APPLICA...

Multi-Signal Digital Controller For Isolated System Feedback Loop

Transformerless AC Line Isolator

Slew Rate Enhancement For Transient Load Step Response

MULTIPLE BACKLIGHT KEYBOARD

BOOST CONVERTER WITH A PULSE FREQUENCY MODULATION MODE FOR OPERATIN...

Display Circuitry with Dynamic Pixel Backlight and Backlight Slopin...

COMPUTER KEYBOARD KEY SCAN SHARED MATRIX WITH AN INDIVIDUAL LED PER...

Methods and Apparatus for Improving Backlight Driver Efficiency

SHORT CIRCUIT PROTECTION

SYSTEMS AND METHODS FOR LIGHT-LOAD EFFICIENCY IN DISPLAYS