Changho Lee

Title: Changho Lee: Innovator in Display Technology

Introduction

Changho Lee is a prominent inventor based in Beijing, China, known for his contributions to display technology. With a total of four patents to his name, he has made significant advancements in the field of organic light-emitting diodes (OLEDs) and display substrates.

Latest Patents

Changho Lee's latest patents include a display substrate and a display device. The display substrate features a base substrate, an anode layer, a light-emitting layer, an electron diffusion layer, a hole block layer, and a cathode layer, all stacked sequentially. Notably, the electron diffusion layer contains a first luminescent material, and the transport speed of holes generated by the anode layer in this layer is less than that in the light-emitting layer. Another significant patent involves an organic light-emitting diode, which includes a first electrode, a second electrode, and a light-emitting layer composed of two sub-layers. This innovative design allows for harmonized luminous efficiency across red, green, and blue light-emitting devices by adjusting the thickness of the second light-emitting sub-layer.

Career Highlights

Throughout his career, Changho Lee has worked with notable companies such as Beijing BOE Technology Development Co., Ltd. and BOE Technology Group Co., Ltd. His work in these organizations has contributed to the advancement of display technologies and has positioned him as a key figure in the industry.

Collaborations

Changho Lee has collaborated with esteemed colleagues, including Haiyan Sun and Xiaojin Zhang. These partnerships have fostered innovation and have played a crucial role in the development of his patented technologies.

Conclusion

Changho Lee's contributions to display technology through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the advancement of display devices and organic light-emitting technology.