1
Paul Lo, Teddy Yeung Man Lo, Eddie Ping Kuen Li: Integrally formed single piece light emitting diode light wire and uses thereof. Huizhou Light Engine, Dickstein Shapiro, November 8, 2011: US08052303 (35 worldwide citation)

An integrally formed single piece light emitting diode (LED) light wire that provides a smooth, uniform lighting effect from all directions of the LED light wire. The integrally formed single piece LED light wire includes a support substrate, a conductive base formed on the support substrate, the co ...


2
Paul Lo, Teddy Yeung Man Lo, Eddie Ping Kuen Li: Integrally formed single piece light emitting diode light wire. Huizhou Light Engine, Dickstein Shapiro, August 2, 2011: US07988332 (24 worldwide citation)

A flexible, integrally formed single piece light emitting diode (LED) light wire that provides a smooth, uniform lighting effect from all directions of the LED light wire. The integrally formed single piece LED light wire contains a conductive base comprising first and second bus elements formed fro ...


3
Chu Tin Po, Leung Wa Hing: Non-glare reflective led lighting apparatus with heat sink mounting. Light Engine, Chu Tin Po, Leung Wa Hing, Ridout & Maybee, November 26, 2009: WO/2009/140761 (24 worldwide citation)

A lighting apparatus using at least one light-emitting diode ("LED"), back-reflecting collection optics for LEDs, and an improved heat sink mounting apparatus which promotes efficient heat dissipation generated from the LED while minimizing light obstruction and glare. The lighting apparatus contain ...


4
Jin Bo Jiang, Wen Da Jiang: Lens with multiple curved surfaces for LED projecting lamp. Huizhou Light Engine, Muncy Geissler Olds & Lowe P C, May 27, 2014: US08733981 (18 worldwide citation)

This invention relates to a secondary optics for the multi-chip LED. It features in that the optics consists of a refraction collimating portion, two total internal reflection (TIR) portions, an emitting surface with a micro lens array, an edge flange and a snap lug for lens assembly. The refraction ...


5
Jin Bo Jiang, Tin Po Chu, Wa Hing Leung: Polyhedral secondary optical lens. Huizhou Light Engine, Schiff Hardin, October 21, 2014: US08864344 (15 worldwide citation)

The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction port ...


6
Paul Lo, Teddy Yeung Man Lo, Eddie Ping Kuen Li: Integrally formed single piece light emitting diode light wire and uses thereof. Huizhou Light Engine, Schiff Hardin, July 30, 2013: US08496351 (14 worldwide citation)

An integrally formed single piece light emitting diode (LED) light wire that provides a smooth, uniform lighting effect from all directions of the LED light wire. The integrally formed single piece LED light wire includes a support substrate, a conductive base formed on the support substrate, the co ...


7
Wa Hing Leung, Johnny Siu: LED switch circuitry for varying input voltage source. Huizhou Light Engine, Schiff Hardin, August 13, 2013: US08508140 (14 worldwide citation)

An LED array switching apparatus, comprises: a plurality of LED segments D1 to Dn connected in series, each LED segment having a forward voltage; a voltage supply coupled to the plurality of LED segments; and a plurality of constant current sources G1 to Gn, coupled to outputs of LED segments D1 to ...


8
LEUNG Wa Hing, SIU Kam Wah: Unité dalimentation de del pourvue dune commande de gradation à triac, Triac dimmable power supply unit for led. Huizhou Light Engine, LEUNG Wa Hing, SIU Kam Wah, China Pat Intellectual Property Office, November 10, 2011: WO/2011/137646 (10 worldwide citation)

A power-factor-corrected power supply adapted to supply power to one or more light emitting diodes (LEDs), comprises: a triac dimmer electrically connected between an alternating current source and a bridge rectifier; a damping circuit electrically connected between the alternating current source an ...


9
Wa Hing Leung, Kam Wah Siu: Triac dimmable power supply unit for LED. Huizhou Light Engine, Schiff Hardin, May 13, 2014: US08723439 (6 worldwide citation)

A power-factor-corrected power supply adapted to supply power to one or more light emitting diodes (LEDs), comprises: a triac dimmer electrically connected between an alternating current source and a bridge rectifier; a damping circuit electrically connected between the alternating current source an ...


10
Paul Lo, Teddy Yeung Man Lo, Eddie Ping Kuen Li: Integrally formed single piece light emitting diode light wire. Huizhou Light Engine, Schiff Hardin, July 29, 2014: US08789971 (5 worldwide citation)

A flexible, integrally formed single piece light emitting diode (LED) light wire that provides a smooth, uniform lighting effect from all directions of the LED light wire. The integrally formed single piece LED light wire contains a conductive base comprising first and second bus elements formed fro ...