This inventor holds 1 USPTO granted patent. Top assignee: Semiconductor Energy Laboratory Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: The Innovative Contributions of Tomoka Hara
Introduction
Tomoka Hara is a prominent inventor based in Zarna, Japan. She has made significant strides in the field of light-emitting elements, showcasing her expertise and innovative spirit. Her work has led to advancements that enhance the efficiency of electronic devices and lighting technologies.
Latest Patents
Tomoka Hara holds 1 patent for her invention related to an iridium complex, light-emitting element, display device, electronic device, and lighting device. This patent provides a light-emitting element with high emission efficiency. The design includes a first organic compound, a second organic compound, and a guest material. The LUMO level of the first organic compound is lower than that of the second organic compound, while the HOMO level of the first organic compound is also lower than that of the second organic compound. The guest material plays a crucial role in converting triplet excitation energy into light emission, thus enhancing the overall performance of the light-emitting element.
Career Highlights
Tomoka Hara is associated with Semiconductor Energy Laboratory Co., Ltd., where she continues to contribute to groundbreaking research and development in the semiconductor industry. Her work is pivotal in advancing technologies that rely on efficient light-emitting elements.
Collaborations
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Conclusion
Tomoka Hara's innovative contributions to the field of light-emitting elements exemplify her dedication to advancing technology. Her patent reflects her commitment to improving efficiency in electronic devices and lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile