Chul In Joung

Title: Chul In Joung: Innovator in Polarizing Plate Technology

Introduction

Chul In Joung is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of display technology, particularly through his innovative methods for manufacturing polarizing plates. His work is essential for enhancing the performance of various display devices.

Latest Patents

Chul In Joung holds a patent for a "Method for manufacturing polarizing plate." This patent outlines a process that includes preparing a transfer type retarder laminate, which consists of a carrier substrate, an alignment film, and a retarder layer. The method also involves laminating this retarder laminate onto a polymeric stretched film containing a dichroic substance. The patent specifies that the peel force at a peeling angle of 90° between the carrier substrate and the retarder layer should be within a range of 0.10 N/20 mm to 0.13 N/20 mm when peeled at a rate of 300 mm/min. This polarizing plate can be utilized as a circularly polarizing plate or an optical compensation polarizing plate in various display devices.

Career Highlights

Chul In Joung is currently employed at LG Chem, Ltd., a leading company in the chemical and materials industry. His role at LG Chem allows him to apply his expertise in developing advanced materials for display technologies. His innovative approach has positioned him as a key figure in the field.

Collaborations

Chul In Joung has collaborated with notable colleagues, including Hyung Il Yang and Dong Ho Ko. These collaborations have contributed to the advancement of technology in the display sector.

Conclusion

Chul In Joung's contributions to the manufacturing of polarizing plates demonstrate his innovative spirit and commitment to advancing display technology. His work continues to impact the industry positively.