Christopher P. Tann

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
RGB pixel contrast control systems and methods
- Patent number 12,211,456
- Issue date Jan 28, 2025
- Apple Inc.
- Christopher P Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Always-on display signal generator
- Patent number 11,893,925
- Issue date Feb 6, 2024
- Apple Inc.
- Peter F Holland
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Guaranteed real-time cache carveout for displayed image processing...
- Patent number 11,875,427
- Issue date Jan 16, 2024
- Apple Inc.
- Rohit Natarajan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Burn-in statistics and burn-in compensation
- Patent number 11,823,642
- Issue date Nov 21, 2023
- Apple Inc.
- Mahesh B. Chappalli
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Burn-in statistics and burn-in compensation
- Patent number 11,361,729
- Issue date Jun 14, 2022
- Apple Inc.
- Mahesh B. Chappalli
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Timestamp based display update mechanism
- Patent number 11,211,036
- Issue date Dec 28, 2021
- Apple Inc.
- Brijesh Tripathi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic device display with charge accumulation tracker
- Patent number 11,024,243
- Issue date Jun 1, 2021
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic display reduced blanking duration systems and methods
- Patent number 10,983,583
- Issue date Apr 20, 2021
- Apple Inc.
- Peter F. Holland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Collision avoidance schemes for displays
- Patent number 10,825,419
- Issue date Nov 3, 2020
- Apple Inc.
- Yue Jack Chu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic device display with charge accumulation tracker
- Patent number 10,789,902
- Issue date Sep 29, 2020
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Inversion balancing compensation
- Patent number 10,762,820
- Issue date Sep 1, 2020
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Timestamp based display update mechanism
- Patent number 10,706,825
- Issue date Jul 7, 2020
- Apple Inc.
- Brijesh Tripathi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Long-term history of display intensities
- Patent number 10,699,622
- Issue date Jun 30, 2020
- Apple Inc.
- Ross Thompson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Internal gamma correction for electronic displays
- Patent number 10,643,555
- Issue date May 5, 2020
- Apple Inc.
- Fenghua Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic display frame pre-notification systems and methods
- Patent number 10,643,572
- Issue date May 5, 2020
- Apple Inc.
- Peter F. Holland
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Low power display device with variable refresh rates
- Patent number 10,600,379
- Issue date Mar 24, 2020
- Apple Inc.
- Prasanna Nambi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Spatiotemporal dithering techniques for electronic displays
- Patent number 10,482,806
- Issue date Nov 19, 2019
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Long-term history of display intensities
- Patent number 10,453,375
- Issue date Oct 22, 2019
- Apple Inc.
- Paul S. Drzaic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Panel overdrive compensation
- Patent number 10,438,561
- Issue date Oct 8, 2019
- Apple Inc.
- Shereef Shehata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Long-term history of display intensities
- Patent number 10,410,568
- Issue date Sep 10, 2019
- Apple Inc.
- Paul S. Drzaic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Long-term history of display intensities
- Patent number 10,410,569
- Issue date Sep 10, 2019
- Apple Inc.
- Paul S. Drzaic
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dithering techniques for electronic displays
- Patent number 10,403,192
- Issue date Sep 3, 2019
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pixel signal compensation for a display panel
- Patent number 10,276,085
- Issue date Apr 30, 2019
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Systems and methods for inserting intra-frame pause
- Patent number 10,261,632
- Issue date Apr 16, 2019
- Apple Inc.
- Peter F. Holland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Inversion balancing compensation
- Patent number 10,229,622
- Issue date Mar 12, 2019
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display driver circuitry with selectively enabled clock distribution
- Patent number 10,163,385
- Issue date Dec 25, 2018
- Apple Inc.
- Fenghua Zheng
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic device display with charge accumulation tracker
- Patent number 10,102,815
- Issue date Oct 16, 2018
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Sub-pixel layout resampler systems and methods
- Patent number 10,068,548
- Issue date Sep 4, 2018
- Apple Inc.
- Jim Chou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low power display device with variable refresh rates
- Patent number 10,056,050
- Issue date Aug 21, 2018
- Apple Inc.
- Prasanna Nambi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Refresh rate dependent dithering
- Patent number 10,008,145
- Issue date Jun 26, 2018
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
ALWAYS-ON DISPLAY SIGNAL GENERATOR
- Publication number 20240119886
- Publication date Apr 11, 2024
- Apple Inc.
- Peter F Holland
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
RGB PIXEL CONTRAST CONTROL SYSTEMS AND METHODS
- Publication number 20240105131
- Publication date Mar 28, 2024
- Apple Inc.
- Christopher P Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Content-Aware Dynamic Power Converter Switching for Power Optimization
- Publication number 20240013692
- Publication date Jan 11, 2024
- Apple Inc.
- Jie Won Ryu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
GUARANTEED REAL-TIME CACHE CARVEOUT FOR DISPLAYED IMAGE PROCESSING...
- Publication number 20230081746
- Publication date Mar 16, 2023
- Apple Inc.
- Rohit Natarajan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ALWAYS-ON DISPLAY SIGNAL GENERATOR
- Publication number 20230084199
- Publication date Mar 16, 2023
- Apple Inc.
- Peter F Holland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BURN-IN STATISTICS AND BURN-IN COMPENSATION
- Publication number 20220358895
- Publication date Nov 10, 2022
- Apple Inc.
- Mahesh B. Chappalli
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electronic Device Display With Charge Accumulation Tracker
- Publication number 20210012733
- Publication date Jan 14, 2021
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
TIMESTAMP BASED DISPLAY UPDATE MECHANISM
- Publication number 20200402482
- Publication date Dec 24, 2020
- Apple Inc.
- Brijesh Tripathi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC DISPLAY FRAME PRE-NOTIFICATION SYSTEMS AND METHODS
- Publication number 20200082783
- Publication date Mar 12, 2020
- Apple Inc.
- Peter F. Holland
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
ELECTRONIC DISPLAY REDUCED BLANKING DURATION SYSTEMS AND METHODS
- Publication number 20200064902
- Publication date Feb 27, 2020
- Apple Inc.
- Peter F. Holland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PANEL OVERDRIVE COMPENSATION
- Publication number 20190189082
- Publication date Jun 20, 2019
- Apple Inc.
- Shereef Shehata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INVERSION BALANCING COMPENSATION
- Publication number 20190172380
- Publication date Jun 6, 2019
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Burn-In Statistics and Burn-In Compensation
- Publication number 20190080666
- Publication date Mar 14, 2019
- Apple Inc.
- Mahesh B. Chappalli
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
COLLISION AVOIDANCE SCHEMES FOR DISPLAYS
- Publication number 20190027114
- Publication date Jan 24, 2019
- Apple Inc.
- Yue Jack Chu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Device Display With Charge Accumulation Tracker
- Publication number 20180366078
- Publication date Dec 20, 2018
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LONG-TERM HISTORY OF DISPLAY INTENSITIES
- Publication number 20180350289
- Publication date Dec 6, 2018
- Apple Inc.
- PAUL S. DRZAIC
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LOW POWER DISPLAY DEVICE WITH VARIABLE REFRESH RATES
- Publication number 20180350313
- Publication date Dec 6, 2018
- Apple Inc.
- Prasanna NAMBI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LONG-TERM HISTORY OF DISPLAY INTENSITIES
- Publication number 20180350290
- Publication date Dec 6, 2018
- Apple Inc.
- PAUL S. DRZAIC
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LONG-TERM HISTORY OF DISPLAY INTENSITIES
- Publication number 20180350295
- Publication date Dec 6, 2018
- Apple Inc.
- PAUL S. DRZAIC
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LONG-TERM HISTORY OF DISPLAY INTENSITIES
- Publication number 20180350296
- Publication date Dec 6, 2018
- Apple Inc.
- ROSS THOMPSON
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Device Display With Charge Accumulation Tracker
- Publication number 20180166032
- Publication date Jun 14, 2018
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
INTERNAL GAMMA CORRECTION FOR ELECTRONIC DISPLAYS
- Publication number 20180090084
- Publication date Mar 29, 2018
- Apple Inc.
- Fenghua Zheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS AND METHODS FOR INSERTING INTRA-FRAME PAUSE
- Publication number 20180081491
- Publication date Mar 22, 2018
- Apple Inc.
- Peter F. Holland
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DITHERING TECHNIQUES FOR ELECTRONIC DISPLAYS
- Publication number 20180082626
- Publication date Mar 22, 2018
- Apple Inc.
- Marc Albrecht
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
INVERSION BALANCING COMPENSATION
- Publication number 20180068605
- Publication date Mar 8, 2018
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DEVICES AND METHODS FOR MITIGATING VARIABLE REFRESH RATE CHARGE IMB...
- Publication number 20170092210
- Publication date Mar 30, 2017
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LOW POWER DISPLAY DEVICE WITH VARIABLE REFRESH RATES
- Publication number 20170047027
- Publication date Feb 16, 2017
- Apple Inc.
- Prasanna Nambi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL SIGNAL COMPENSATION FOR A DISPLAY PANEL
- Publication number 20170018219
- Publication date Jan 19, 2017
- Apple Inc.
- Chaohao WANG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Electronic Device Display With Charge Accumulation Tracker
- Publication number 20160351138
- Publication date Dec 1, 2016
- Apple Inc.
- Chaohao Wang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
DEVICES AND METHODS FOR OPERATING A TIMING CONTROLLER OF A DISPLAY
- Publication number 20160343320
- Publication date Nov 24, 2016
- Apple Inc.
- Christopher P. Tann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Christopher P. Tann

Person

Patents Grantslast 30 patents

RGB pixel contrast control systems and methods

Always-on display signal generator

Guaranteed real-time cache carveout for displayed image processing...

Burn-in statistics and burn-in compensation

Burn-in statistics and burn-in compensation

Timestamp based display update mechanism

Electronic device display with charge accumulation tracker

Electronic display reduced blanking duration systems and methods

Collision avoidance schemes for displays

Electronic device display with charge accumulation tracker

Inversion balancing compensation

Timestamp based display update mechanism

Long-term history of display intensities

Internal gamma correction for electronic displays

Electronic display frame pre-notification systems and methods

Low power display device with variable refresh rates

Spatiotemporal dithering techniques for electronic displays

Long-term history of display intensities

Panel overdrive compensation

Long-term history of display intensities

Long-term history of display intensities

Dithering techniques for electronic displays

Pixel signal compensation for a display panel

Systems and methods for inserting intra-frame pause

Inversion balancing compensation

Display driver circuitry with selectively enabled clock distribution

Electronic device display with charge accumulation tracker

Sub-pixel layout resampler systems and methods

Low power display device with variable refresh rates

Refresh rate dependent dithering

Patents Applicationslast 30 patents

ALWAYS-ON DISPLAY SIGNAL GENERATOR

RGB PIXEL CONTRAST CONTROL SYSTEMS AND METHODS

Content-Aware Dynamic Power Converter Switching for Power Optimization

GUARANTEED REAL-TIME CACHE CARVEOUT FOR DISPLAYED IMAGE PROCESSING...

ALWAYS-ON DISPLAY SIGNAL GENERATOR

BURN-IN STATISTICS AND BURN-IN COMPENSATION

Electronic Device Display With Charge Accumulation Tracker

TIMESTAMP BASED DISPLAY UPDATE MECHANISM

ELECTRONIC DISPLAY FRAME PRE-NOTIFICATION SYSTEMS AND METHODS

ELECTRONIC DISPLAY REDUCED BLANKING DURATION SYSTEMS AND METHODS

PANEL OVERDRIVE COMPENSATION

INVERSION BALANCING COMPENSATION

Burn-In Statistics and Burn-In Compensation

COLLISION AVOIDANCE SCHEMES FOR DISPLAYS

Electronic Device Display With Charge Accumulation Tracker

LONG-TERM HISTORY OF DISPLAY INTENSITIES

LOW POWER DISPLAY DEVICE WITH VARIABLE REFRESH RATES

LONG-TERM HISTORY OF DISPLAY INTENSITIES

LONG-TERM HISTORY OF DISPLAY INTENSITIES

LONG-TERM HISTORY OF DISPLAY INTENSITIES

Electronic Device Display With Charge Accumulation Tracker

INTERNAL GAMMA CORRECTION FOR ELECTRONIC DISPLAYS

SYSTEMS AND METHODS FOR INSERTING INTRA-FRAME PAUSE

DITHERING TECHNIQUES FOR ELECTRONIC DISPLAYS

INVERSION BALANCING COMPENSATION

DEVICES AND METHODS FOR MITIGATING VARIABLE REFRESH RATE CHARGE IMB...

LOW POWER DISPLAY DEVICE WITH VARIABLE REFRESH RATES

PIXEL SIGNAL COMPENSATION FOR A DISPLAY PANEL

Electronic Device Display With Charge Accumulation Tracker

DEVICES AND METHODS FOR OPERATING A TIMING CONTROLLER OF A DISPLAY