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For the Inventor, By the Inventor

Eindhoven, Netherlands

Johannes A Van Haaren

This inventor holds 10 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johannes A Van Haaren. Retrieved from https://idiyas.com/inventor/johannes-a-van-haaren

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 123(Granted Patents)


Company Filing History:

goldMedal10 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1993-1999

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10 patents (USPTO):Explore Patents
1. 5978055 - Compensator, liquid crystal display device and retardation foil (1999-11-02),
2. 5948831 - Method for manufacturing a broadband cholesteric polarizer (1999-09-07),
3. 5855986 - Liquid crystal display device and retardation foil (1999-01-05),
4. 5825444 - Illumination system using cholesteric polarizer, linear polarizer for (1998-10-20),
5. 5798808 - Liquid crystal display device having a cholesteric order with a pitch of (1998-08-25),
6. 5737044 - Illumination system using a broadband cholesteric polarizer having its (1998-04-07),
7. 5688566 - Liquid crystal display device (1997-11-18),
8. 5404236 - Display device with crossing electrodes with specific ratio for gray (1995-04-04),
9. 5347393 - Electro-optical display device with sub-electrodes (1994-09-13),
10. 5208689 - Electro-optic display device with increased number of transmission levels (1993-05-04),

Title: Innovations of Johannes A Van Haaren

Introduction

Johannes A Van Haaren is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of display technology, holding a total of 10 patents. His work primarily focuses on advancements in liquid crystal displays and related technologies.

Latest Patents

Among his latest patents are a compensator designed for liquid crystal display devices and a method for manufacturing a broadband cholesteric polarizer. The compensator features a retardation foil with a tilted optical main axis, which can be easily manufactured by placing the retardation foil and a second optically active layer on different sides of a transparent support. The method for creating a broadband cholesteric polarizer involves polymerizing a liquid-crystalline cholesterically ordered layer using reactive chiral and nematogenic monomers. This process allows for the precise control of the bandwidth and edge position of the reflection band, enhancing the performance of displays.

Career Highlights

Johannes A Van Haaren is associated with U.S. Philips Corporation, where he has contributed to various innovative projects. His expertise in display technology has positioned him as a key figure in the development of advanced optical devices.

Collaborations

He has collaborated with notable colleagues such as Dirk Jan Broer and Antonius G Verhulst, further enriching his work and contributions to the field.

Conclusion

Johannes A Van Haaren's innovative patents and contributions to display technology underscore his importance in the field. His work continues to influence advancements in liquid crystal displays and related technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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