Sui K Hark

Title: Innovations of Sui K Hark in Liquid Crystal Technology.

Introduction

Sui K Hark is a notable inventor based in Hong Kong, CN. He has made significant contributions to the field of liquid crystal devices, holding 2 patents that enhance the functionality and efficiency of these technologies. His work has implications for various applications, including displays and imaging systems.

Latest Patents

Hark's latest patents focus on the control of liquid crystal devices. One patent introduces a DC current blocking layer that improves the lifetime of liquid crystal devices. This innovation allows for the use of two-level drivers, simplifying the driving scheme necessary for addressing these devices. The blocking layer is preferably made from poly-para-xylylene, which acts effectively as a DC blocking layer. Additionally, specific driving schemes are provided for liquid crystal devices that utilize materials which relax when no voltage is applied, such as nematic materials. Another patent details ferrolectric liquid crystal devices with improved operating properties. This invention features a light shutter that includes a pixel electrode and a background electrode, creating an electronic mask adjacent to the pixel electrode. By maintaining minimal spacing between the electrodes, voltage potentials can be applied to enhance the contrast between pixel and inter-pixel regions.

Career Highlights

Sui K Hark is associated with Xerox Corporation, where he has contributed to advancements in liquid crystal technology. His work has been instrumental in developing innovative solutions that improve the performance of liquid crystal devices.

Collaborations

Hark has collaborated with notable coworkers, including Joseph F Stephany and Joseph J Wysocki, who have also contributed to the field of liquid crystal technology.

Conclusion

Sui K Hark's innovations in liquid crystal devices demonstrate his commitment to advancing technology in this field. His patents reflect a deep understanding of the complexities involved in liquid crystal technology and its applications.