Sun-il Chang

This inventor holds 60 USPTO granted patents and 8 published patent applications and 2 EPO patents, primarily in Display Technology (CPC class G09G). Top assignees: Apple Inc., Google Inc.. Active years: 2019-2025.

USPTO Granted Patents = 60 (Patent Applications = 8)

% Patents Active = 88.3

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 60(Granted Patents)

Forward Citations (Not Self Cited) = 50(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

Years Active: 2019-2025

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Areas of Expertise:

OLED Displays

Power Saving

Refresh Rate Control

Color Management

Pixel Density

Display Compensation

Dynamic Power Conversion

Hysteresis Compensation

Gamma Compression

Multi-Resolution

Touch Input Correction

Panel Conditioning

60 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12512030 - Power saving in OLED displays with multiple refresh rates (2025-12-30),

2. 12505776 - Dual color management for a multi-pixel density display (2025-12-23),

3. 12437727 - Variable refresh rate control using PWM-aligned frame periods (2025-10-07),

4. 12364131 - Display panel structure with uni-color data lines (2025-07-15),

5. 12333995 - Feedforward compensation of high-luminance banding Mura compensation (2025-06-17),

6. 12223876 - Power saving in OLED displays with multiple refresh rates (2025-02-11),

7. 12217698 - Odd and even row sequential driving in AMOLED with pentile arrangement (2025-02-04),

8. 12211435 - Display panel transistor gate-signal compensation systems and methods (2025-01-28),

9. 12148367 - Burn-in compensation for display (2024-11-19),

10. 12051353 - Dual color management for a multi-pixel density display (2024-07-30),

11. 12039954 - Gamma lookup table compression based on dimensionality reduction (2024-07-16),

12. 12039133 - Correcting touch inputs (2024-07-16),

13. 12020411 - Remapping for mixed dynamic range content (2024-06-25),

14. 11994920 - Reducing hole bezel region in displays (2024-05-28),

15. 11978378 - Pixel arrangement for multi-resolution display panel (2024-05-07),

Sure, below is the article about inventor Sun-il Chang:

Title: Innovator Spotlight: Sun-il Chang - Pioneering Display Technologies

Introduction: Sun-il Chang, a prolific inventor based in San Jose, CA, has made significant contributions to the field of display technologies. With an impressive portfolio of 46 patents, his innovative approach has revolutionized the way we interact with visual interfaces.

Latest Patents:

1. "Pixel arrangement for multi-resolution display panel": Sun-il's innovative display panel design incorporates a unique arrangement of pixels, optimizing the distribution of red, green, and blue sub-pixels for enhanced visual clarity.

2. "Dynamic power converter switching for displays based on predicted power usage": Chang's method for estimating and regulating power consumption in mobile device displays showcases his commitment to energy efficiency and sustainable technology.

Career Highlights: Throughout his career, Sun-il Chang has worked with top industry players such as Apple Inc. and Google Inc., where he has spearheaded groundbreaking developments in display technologies. His unwavering dedication to innovation has earned him recognition as a trailblazer in the field.

Collaborations: Chang's collaborative efforts with industry experts like Hyunwoo Nho and Jie Won Ryu have resulted in cutting-edge advancements in display technology. Together, they have pushed boundaries and set new standards for visual display solutions.

Conclusion: Sun-il Chang's ingenuity and relentless pursuit of excellence have solidified his position as a visionary in the realm of display technologies. His groundbreaking patents and collaborative efforts continue to shape the future of visual interfaces, inspiring generations of innovators to come.