Chih-Hsiang Liu

Title: Innovations of Chih-Hsiang Liu

Introduction

Chih-Hsiang Liu is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of measurement systems and light-emitting diode (LED) technology. With a total of 13 patents to his name, Liu's work showcases his expertise and innovative spirit.

Latest Patents

One of Liu's latest patents is a measurement system and method that includes an excitation light source, an image sensor, and a calculator. This system is designed to emit an excitation light beam and record an image of the beam passing through a glass substrate with multiple vias. The resulting image is a 2D interference pattern, which the calculator analyzes to create a 3D geometric-structure image of the vias. Another notable patent is an apparatus and method for inspecting LED dies. This method involves short-circuiting the electrodes of LED dies on an inspection substrate and applying an inspection bias voltage. An excitation light is then used to capture secondary light emitted by the LED dies, allowing for the detection of abnormalities.

Career Highlights

Chih-Hsiang Liu has worked with several esteemed organizations, including the Industrial Technology Research Institute and Wistron Neweb Corporation. His experience in these companies has contributed to his development as an inventor and innovator in his field.

Collaborations

Liu has collaborated with notable coworkers such as Chung-Lun Kuo and Hsiang-Chun Wei. Their joint efforts have likely enhanced the quality and impact of their innovations.

Conclusion

Chih-Hsiang Liu's contributions to measurement systems and LED technology highlight his role as a leading inventor. His patents reflect a commitment to advancing technology and improving inspection methods.