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For the Inventor, By the Inventor

Tainan County, Taiwan

Yu-Jui Chang

USPTO Granted Patents = 16 

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 27(Granted Patents)


Location History:

  • Tainan Hsien, TW (2007)
  • Hsinhua Township, Tainan County, TW (2008)
  • Sinshih Township, TW (2009)
  • Hsinhua, TW (2010)
  • Sinshih Township, Tainan County, TW (2010)
  • Tainan County, TW (2007 - 2013)

Company Filing History:

goldMedal16 out of 1,056 
 
Himax Technologies, Inc.
 patents

Years Active: 2007-2013

where 'Filed Patents' based on already Granted Patents

16 patents (USPTO):
1. 8493306 - Source driver and method for restraining noise thereof (2013-07-23),
2. 8159481 - Display driver and related display (2012-04-17),
3. 7973572 - Output buffer and source driver utilizing the same (2011-07-05),
4. 7965114 - Source driver and method for restraining noise thereof (2011-06-21),
5. 7821483 - Interface circuit for data transmission and method thereof (2010-10-26),
6. 7782097 - Source driver and power down detector thereof (2010-08-24),
7. 7777712 - Level shift circuit and display using same (2010-08-17),
8. 7633482 - Operational amplifier circuit having digitally controllable output stage (2009-12-15),
9. 7598894 - Source driver and digital-to-analog converter thereof (2009-10-06),
10. 7545170 - Source driver and level shifting method thereof (2009-06-09),
11. 7532033 - Source driver and level shifting apparatus thereof (2009-05-12),
12. 7466183 - Level shift circuit (2008-12-16),
13. 7449916 - Voltage level shift circuit (2008-11-11),
14. 7286012 - Operational amplifier circuit with controllable intermediate circuitry set therein (2007-10-23),
15. 7286011 - Operational amplifier circuit having adjustable bias current (2007-10-23),

Title: Innovations of Yu-Jui Chang

Introduction

Yu-Jui Chang is a prominent inventor based in Tainan County, Taiwan. He has made significant contributions to the field of technology, particularly in display drivers and noise reduction methods. With a total of 16 patents to his name, Chang continues to push the boundaries of innovation.

Latest Patents

One of his latest patents is titled "Source driver and method for restraining noise thereof." This invention discloses a source driver designed to minimize noise output during the power on/off phases of a power supply. The source driver comprises a data bus, multiple channels, a multiplexer, and several output pads. Each channel is equipped with a latch unit that stores data transmitted on the data bus. The method involves determining if the first supply voltage is insufficient and, if so, setting the data on the data bus to a predetermined value while keeping the latch units activated to send data from the latch units.

Another notable patent is the "Display driver and related display." This invention includes a series of level shifters that receive input signals and output shifted signals. It also features switches and a digital-to-analog converter connected to the outputs of the level shifters. The switches are turned off during the transition of the level shifters to ensure effective signal conversion.

Career Highlights

Yu-Jui Chang is currently employed at Himax Technologies, Inc., where he applies his expertise in developing advanced display technologies. His work has significantly impacted the industry, particularly in enhancing the performance and efficiency of display drivers.

Collaborations

Chang collaborates with several talented individuals, including Ying-Lieh Chen and Chuan-Che Lee. Their combined efforts contribute to the innovative projects at Himax Technologies, Inc.

Conclusion

Yu-Jui Chang's contributions to technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in display technology and noise reduction methods.

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