P

Inventor

DONG FANGXU

US37 patents
⚠️ This page may combine multiple inventors who share the name “DONG FANGXU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LUTRON TECH CO LLC

29 patents
US12253661B2Mar 18, 2025

Total internal reflection lens to improve color mixing of an LED light source

LUTRON TECH CO LLC4 citations86
US11106025B2Aug 31, 2021

Total internal reflection lens having a straight sidewall entry and a concave spherical exit bounded by a compound parabolic concentrator outer surface to improve color mixing of an LED light source

LUTRON TECH CO LLC5 citations84
US11570874B2Jan 31, 2023

Linear lighting device

LUTRON TECH CO LLC5 citations83
US12234984B2Feb 25, 2025

Lens for improved color mixing and beam control of an LED light source

LUTRON TECH CO LLC2 citations75
US11885945B2Jan 30, 2024

Total internal reflection lens to improve color mixing of an LED light source

LUTRON TECH CO LLC2 citations73
US11614206B2Mar 28, 2023

Light source having multiple differently-colored emitters

LUTRON TECH CO LLC1 citations73
US11555597B2Jan 17, 2023

Lens for improved color mixing and beam control of an LED light source

LUTRON TECH CO LLC2 citations73
US11346527B2May 31, 2022

Lens for improved color mixing and beam control of an LED light source

LUTRON TECH CO LLC2 citations73
USRE48873EJan 4, 2022

Asymmetric linear LED luminaire design for uniform illuminance and color

LUTRON TECH CO LLC1 citations73
USRE48712EAug 31, 2021

Color mixing optics for LED lighting

LUTRON TECH CO LLC3 citations73
US12571517B2Mar 10, 2026

Color mixing optics for LED illumination device

LUTRON TECH CO LLC0 citations62
US12535667B2Jan 27, 2026

Total internal reflection lens to improve color mixing of an LED light source

LUTRON TECH CO LLC0 citations62
US12523352B2Jan 13, 2026

Lens for improved color mixing and beam control of an LED light source

LUTRON TECH CO LLC0 citations62
USRE50582ESep 9, 2025

Color mixing optics for LED lighting

LUTRON TECH CO LLC0 citations62
USRE50569ESep 2, 2025

Asymmetric linear LED luminaire design for uniform illuminance and color

LUTRON TECH CO LLC0 citations62
US12372208B2Jul 29, 2025

Light source having multiple differently-colored emitters

LUTRON TECH CO LLC0 citations62
US12292184B2May 6, 2025

Color mixing optics for LED illumination device

LUTRON TECH CO LLC0 citations62
US12072068B2Aug 27, 2024

Light source having multiple differently-colored emitters

LUTRON TECH CO LLC0 citations62
US12072091B2Aug 27, 2024

Color mixing optics for LED illumination device

LUTRON TECH CO LLC0 citations62
US11920780B2Mar 5, 2024

Lens for improved color mixing and beam control of an LED light source

LUTRON TECH CO LLC0 citations62
US11681131B2Jun 20, 2023

Total internal reflection lens to improve color mixing of an LED light source

LUTRON TECH CO LLC0 citations62
US11662077B2May 30, 2023

Color mixing optics for LED illumination device

LUTRON TECH CO LLC0 citations62
US11326761B2May 10, 2022

Color mixing optics for LED illumination device

LUTRON TECH CO LLC0 citations62
US12193126B2Jan 7, 2025

Linear lighting device

LUTRON TECH CO LLC0 citations60
US11917739B2Feb 27, 2024

Linear lighting device

LUTRON TECH CO LLC0 citations60
USRE48922EFeb 1, 2022

Linear LED illumination device with improved color mixing

LUTRON TECH CO LLC0 citations60
USRE50562EAug 26, 2025

Linear LED illumination device with improved color mixing

LUTRON TECH CO LLC0 citations58
USRE50470EJun 24, 2025

Linear LED illumination device with improved color mixing

LUTRON TECH CO LLC0 citations58
US12435859B2Oct 7, 2025

Lighting device with a light shield having apertures

LUTRON TECH CO LLC0 citations41

KETRA INC

5 patents

LUTRON KETRA LLC

3 patents