This inventor holds 3 USPTO granted patents. Top assignee: Unity Opto Technology Co., Ltd.. Active years: 2016-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2016-2017
Title: Chih-Chao Chang: Innovator in LED Technology
Introduction
Chih-Chao Chang is a prominent inventor based in Taipei, Taiwan. He has made significant contributions to the field of LED technology, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and functionality of LED applications.
Latest Patents
One of his latest patents is a light emitting diode bracket. This LED bracket consists of a first metal sheet, a second metal sheet, and a casing that covers both sheets. The casing includes a receiving slot, which partially covers the metal sheets. The first metal sheet features a first pin terminal and a first carrying end, while the second metal sheet has a second pin terminal and a second carrying end. The design of the non-bent pin terminals, which extend outwardly from the casing, improves the design freedom and light emission efficiency of LEDs. Additionally, the first and second carrying ends are equipped with support portions to enhance the strength of the assembly.
Another notable patent involves an LED structure applied to a backlight source. This structure is designed to produce white light at a standard D65 position of the CIE1931 chromaticity coordinates. It incorporates a red phosphor, a yellow phosphor, and a blue light LED chip. The mixing ratio of the red to yellow phosphor is carefully controlled to minimize brightness loss, ensuring optimal performance. A color filter may also be included to enhance the NTSC effect and luminous efficacy.
Career Highlights
Chih-Chao Chang is currently employed at Unity Opto Technology Co., Ltd. His work at this company has allowed him to focus on developing cutting-edge LED technologies that have practical applications in various industries.
Collaborations
He has collaborated with notable coworkers, including Hung-Li Yeh and Ching-Huei Wu, to further advance innovations in LED technology.
Conclusion
Chih-Chao Chang's contributions to LED technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient lighting solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile