Dirk Hertel

This inventor holds 14 USPTO granted patents and 8 published patent applications and 1 EPO patent. Top assignees: E Ink Corporation, Polaroid Corporation. Active years: 2008-2026.

USPTO Granted Patents = 14 (Patent Applications = 8)

% Patents Active = 78.6

EPO Patents = 1 (Patent Applications = 3)

Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 80(Granted Patents)

Company Filing History:

Years Active: 2008-2026

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12717201 - Variable light transmission device comprising electrophoretic medium having light reflective pigment particles (2026-08-25),

2. 12693568 - Variable light transmission device comprising electrophoretic medium having a compination of light reflective and light absorbing pigment particles (2026-07-28),

3. 12640108 - Hybrid emissive/transmissive displays and combination displays including e paper and hybrid emissive/transmissive displays (2026-05-26),

4. 12412538 - Electrophoretic device with ambient light sensor and adaptive whiteness restoring and color balancing frontlight (2025-09-09),

5. 12000560 - Illumination systems for reflective displays (2024-06-04),

6. 11708958 - Illumination systems for reflective displays (2023-07-25),

7. 11656523 - Reflective electrophoretic displays including photo-luminescent material and color filter arrays (2023-05-23),

8. 11456397 - Energy harvesting electro-optic displays (2022-09-27),

9. 11143929 - Reflective electrophoretic displays including photo-luminescent material and color filter arrays (2021-10-12),

10. 10331005 - Electrophoretic displays (2019-06-25),

11. 10190743 - Illumination systems for reflective displays (2019-01-29),

12. 9664978 - Electrophoretic displays (2017-05-30),

13. 7545401 - Method and apparatus for controlling the uniformity of print density of a thermal print head array (2009-06-09),

14. 7369145 - Method and apparatus for controlling the uniformity of print density of a thermal print head array (2008-05-06),

Title: Dirk Hertel: Innovator in Electrophoretic Display Technology

Introduction

Dirk Hertel is a notable inventor based in Quincy, MA (US), recognized for his contributions to the field of electrophoretic display technology. With a total of 14 patents to his name, Hertel has made significant advancements that enhance the functionality and usability of display devices.

Latest Patents

Among his latest innovations is the "Electrophoretic device with ambient light sensor and adaptive whiteness restoring and color balancing frontlight." This electrophoretic display apparatus incorporates an ambient light sensor and a frontlight system designed to adaptively restore whiteness and balance color on the display. Another noteworthy patent is for "Illumination systems for reflective displays," which describes a display device that features a reflective display arranged to render a first image viewable through a viewing surface, along with a projection means that allows a second image to be viewed in reflection on the same surface.

Career Highlights

Dirk Hertel has worked with prominent companies in the technology sector, including E Ink Corporation and Polaroid Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of display technologies.

Collaborations

Throughout his career, Hertel has collaborated with talented individuals such as Stephen J. Telfer and Richard J. Paolini, Jr. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Dirk Hertel's work in electrophoretic display technology showcases his innovative spirit and dedication to improving visual display systems. His patents and collaborations reflect a commitment to advancing technology in meaningful ways.