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For the Inventor, By the Inventor

Chung-Ho, Taiwan

Yih Chang

USPTO Granted Patents = 13

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Chung-Ho, TW (2002 - 2005)
  • Taipei, TW (2003 - 2006)
  • Hsinchu, TW (2006)
  • Jhonghe, TW (2007 - 2009)

Company Filing History:

goldMedal9 out of 63 
 
Ritdisplay Corporation
 patents
silverMedal1 out of 3 
 
Ritek Display Technology Co.
 patents
bronzeMedal1 out of 49 
 
Ritek Corporation
 patents
4. 1 out of 1 
 
Ritek Display Technology Corporation
 patent
5. 1 out of 832,718 
Other
 patents

Years Active: 2002-2009

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13 patents (USPTO):Explore Patents
1. 7511417 - Organic light-emitting source with light-guiding substrate (2009-03-31),
2. 7208870 - Silver alloy used in an organic electroluminescent panel (2007-04-24),
3. 7098097 - Mass-production packaging means and mass-production packaging method (2006-08-29),
4. 7075227 - Organic electroluminescence display device (2006-07-11),
5. 6857795 - Developing apparatus and method for developing organic electroluminescent display panels (2005-02-22),
6. 6777256 - Method for forming a non-photosensitive pixel-defining layer on a OLED panel (2004-08-17),
7. 6709532 - Apparatus and method for photoresist stripping (2004-03-23),
8. 6658762 - Method and apparatus for transporting substrates in OLED process (2003-12-09),
9. 6613156 - Apparatus and method for photoresist stripping (2003-09-02),
10. 6559604 - Method for forming a non-photosensitive pixel-defining layer on an OLED panel (2003-05-06),
11. 6532843 - Steering wheel covering (2003-03-18),
12. 6393716 - Method and apparatus for transporting substrates in OLED process (2002-05-28),
13. 6343882 - Apparatus for developing a pixel-defining layer of an organic light emitting diode (2002-02-05),

Title: The Innovative Contributions of Yih Chang

Introduction

Yih Chang is a prominent inventor based in Chung-Ho, Taiwan. He has made significant contributions to the field of organic light-emitting devices, holding a total of 13 patents. His work has advanced the technology used in displays and lighting, showcasing his expertise and innovative spirit.

Latest Patents

One of Yih Chang's latest patents is for an organic light-emitting source with a light-guiding substrate. This invention includes a light-guiding substrate, at least one light-source area, and a reflecting layer. The light-guiding substrate features a first surface with light-guiding parts that enhance the efficiency of light emission. Another notable patent involves a silver alloy used in an organic electroluminescent panel. This panel comprises a substrate, multiple electrodes, and conducting lines containing a silver alloy, which improves the performance of the electroluminescent media.

Career Highlights

Throughout his career, Yih Chang has worked with several companies, including Ritdisplay Corporation and Ritek Display Technology Co. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the display industry.

Collaborations

Yih Chang has collaborated with notable coworkers such as Tien-Rong Lu and Chih-Jen Yang. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Yih Chang's contributions to the field of organic light-emitting devices are noteworthy and impactful. His patents reflect a commitment to innovation and excellence in technology. His work continues to influence the industry and inspire future advancements.

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