Chen-an Chiang

Title: Chen-an Chiang and Vehicle Projection Lens Innovation.

Introduction

Chen-an Chiang is an inventor associated with Hsinchu, Taiwan. His patent work includes optical designs for vehicle projection lenses and vehicle lamps. His listed portfolio includes 2 patents.

Latest Patents

Chiang’s latest patents describe vehicle projection lenses designed for automotive applications.

The patent titled “Vehicle projection lens” describes an optical system arranged from the magnified side to the minified side. It includes an aspheric first lens with positive refractive power, a cemented lens made of spherical second and third lenses, and a spherical fourth lens with positive refractive power. An aperture stop sits between the third and fourth lenses. The design specifies an F-number no greater than 0.86, a full field of view from 30 to 70 degrees, and an effective focal length from 13 to 28 millimeters.

“Vehicle projection lens and vehicle lamp” describes a related four-lens system, arranged in the same general order. The lenses have positive, negative, positive, and positive refractive powers, respectively. The patent specifies an F-number no greater than 0.86 and a field of view greater than 14 degrees but less than 44 degrees.

Career Highlights

Chiang’s listed work focuses on optical engineering for vehicle projection systems. The designs address lens arrangement, refractive power, aperture, focal length, and field of view—parameters that shape a projection lens’s performance.

Collaborations

Chiang is associated with Young Optics Inc. His listed coworker is Kuo-chuan Wang.

Conclusion

Chen-an Chiang’s patents document his contributions to vehicle projection lens designs, with specifications tailored to automotive projection and lighting applications.