5 patents
Utility
Highly Efficient Light Extraction System for Led Chip Arrays
7 Dec 23
A highly efficient light extraction system for LED chip arrays, in which a multi-function domed lens overlays the LED chip array.
Jeffrey B. Lee, Tai-Chi Chu, Yen-Chih Liu, Ho-Shang Lee
Filed: 15 Aug 22
Utility
Tunable Optical Filter with Bandwidth Tuning Capability
30 Sep 21
Wavelength-tuning optical filters are presented that also allows for the tuning or real-time adjustment of its bandwidth, or passband width.
Ho-Shang Lee, Jeffrey Lee
Filed: 26 Aug 20
Utility
Method and Apparatus for Adjusting the Rate of Change of the Brightness of a Light Emitting Diode (Led) Light Fixture
2 Sep 21
Light emitting diode (LED) lighting fixtures are presented that use a low-pass filter to smooth out or eliminate discrete, step changes in LED light fixture brightness, that may result from the use of digital brightness level settings.
Jeffrey Lee
Filed: 11 May 20
Utility
Tunable Wavelength Filtering Device That Is Tuned by Altering the Angle of the Optical Beam That Is Incident on a Filter
13 May 21
A tunable wavelength filtering device is presented in which the tuning mechanism is based on altering the incident angle to an optical thin film coating stack, or thin film optical filter.
Jeffrey Lee, Junying Lu, Robert E. Schleicher, Ho-Shang Lee
Filed: 20 Dec 19
Utility
Led Terrarium Light for Reptiles, Amphibians, and Birds, Using an Extended Point Source Led Array with Light Emitting Diodes of Multiple Wavelengths
22 Jul 20
Examples of electrical lamp fixtures for illuminating terrariums and stimulating the growth and health of reptiles, amphibians, and birds, and specifically to an improved, compact light emitting diode (LED) terrarium light apparatus are described.
David Lowry, Jeffrey B. Lee, Robert E. Schleicher, Ho-Shang Lee
Filed: 17 Jan 19
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