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Seth F Chang

from Rowland Heights, CA
Age ~55
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Also known as:
Seth H Chang, Seth K Chang, Seth Hsin Fa Chang, Hsin Fa Chang, Hsin S Chang, Chang H Seth, A Chang, A Chang Chang, Hc Han, Lorraine Tobin
Related to:
Shuerh Huang, 63
Connected to:
Adam Chang, 42Adela Chang, 88Ahn S Chang, 77Ai L Chang, 61Ailing Chang, 52Aimee K Chang, 52Alec K Chang, 57Alison H Chang, 73Alistair I Chang, 49Allison Chang, 37

Seth Chang Phones & Addresses

  • Rowland Heights, CA
  • 467 Woodruff Ave, Arcadia, CA 91007 (626) 447-2736
  • San Gabriel, CA
  • Temple City, CA
  • Georgetown, KY
  • Los Angeles, CA
  • Rowland Heights, CA
  • 10325 Freer St, Temple City, CA 91780 (626) 350-4372

Work

Position: Executive, Administrative, and Managerial Occupations

Education

Degree: Graduate or professional degree

Professional Records

Lawyers & Attorneys

Seth Chang Photo 1

Seth Chang - Lawyer

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ISLN:
922022234
Admitted:
2006

Resumes

Resumes

Seth Chang Photo 2

Functional Product Manager At Cordelia Lighting Inc.

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Position:
Functional Product Manager at Cordelia Lighting Inc.
Location:
Greater Los Angeles Area
Industry:
Electrical/Electronic Manufacturing
Work:
Cordelia Lighting Inc. since Jun 2007
Functional Product Manager
Hotatech Industrial Jan 2006 - Feb 2007
Director of Sales and Marketing
Long Arch International Jun 1998 - Dec 2005
Director of Marketing & Product Dev.
International Metropolis Investment Co. Ltd, Canada Feb 1989 - Dec 2004
Commercial Development Project Manager
Rich On Inc. 1993 - 1996
Senior Account Executive
Education:
University of California, Irvine - The Paul Merage School of Business 1996 - 1998
MBA, Marketing and Corporate Strategy The University of British Columbia 1988 - 1992
BS, Statistics & Applied Mathematics
Interests:
Reading
Languages:
Mandarin Chinese
Taiwanese
Cantonese Chinese
Seth Chang Photo 3

Seth Chang

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Skills:
Management
Microsoft Office
Seth Chang Photo 4

Seth Chang

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Publications

Us Patents

Recessed Led Lighting Fixture

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US Patent:
8454204, Jun 4, 2013
Filed:
Dec 27, 2011
Appl. No.:
13/338191
Inventors:
Seth Chang - Rowland Heights CA, US
Huan Cao Nguyen - Anaheim CA, US
James Madden - Philadelphia PA, US
Assignee:
Cordelia Lighting, Inc. - Rancho Dominguez CA
International Classification:
F21V 29/00
US Classification:
362294, 362257, 362 92
Abstract:
A recessed lighting fixture providing illumination from a light source including a plurality of light emitting diodes (LEDs) wherein the fixture is placed within the ceiling space above a ceiling panel or wall. The fixture has a low aspect ratio heat sink. An interchangeable trim ring has an integrated light reflector and attaches to the bottom of the heat sink via rare earth or super magnets. A flange of the heat sink and a flat annular surface of the trim ring engage each other, providing a large contact surface to enable conductive heat transfer. The flange and flat annular surface are located below the ceiling panel, which is at room temperature to help cool the recessed LED lighting fixture through radiation and air convection.

Led Module And Assembly

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US Patent:
20190063730, Feb 28, 2019
Filed:
Oct 22, 2018
Appl. No.:
16/167506
Inventors:
- RANCHO DOMINGUEZ CA, US
HUAN C. NGUYEN - PLACENTIA CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
JAMES MADDEN - PHILADELPHIA PA, US
Assignee:
CORDELIA LIGHTING INC. - RANCHO DOMINGUEZ CA
International Classification:
F21V 21/02
F21V 29/83
F21V 23/00
F21V 19/00
F21K 9/68
F21Y 115/10
F21Y 107/20
F21K 9/66
F21V 29/70
F21S 8/04
F21V 17/00
F21V 17/16
F21S 8/00
Abstract:
An LED light module assembly for a light fixture is disclosed. The LED light module assembly includes a light source having a printed circuit board containing an LED driver and LEDs. The printed circuit board is directly attached to a mounting plate that includes a thermally conductive and radiating material. An LED cover overlies the LEDs. Spring retainer clips hold a decorative trim ring in a spaced-apart relationship from the mounting plate, creating an air gap for cooling and keeping the trim ring cool. A light diffuser lens has hooked legs that twist lock to the mounting plate and diffuses the light from the LEDs.

Recessed Led Light Fixture Without Secondary Heat Sink

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US Patent:
20180347801, Dec 6, 2018
Filed:
Aug 14, 2018
Appl. No.:
16/103758
Inventors:
- Rancho Dominguez CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
HUAN C. NGUYEN - ANAHEIM CA, US
Assignee:
CORDELIA LIGHTING INC. - RANCHO DOMINGUEZ CA
International Classification:
F21V 29/70
F21S 8/02
F21V 13/04
F21V 7/04
F21V 23/00
F21V 29/89
F21V 33/00
F21K 9/20
Abstract:
A recessed LED light fixture without need for a bulky, finned, metal heat sink. The recessed LED light fixture includes a Metal Core Printed Circuit Board (MCPCB) holding an array of LEDs that are arrange at the center thereof, and mounted to the printed circuit board using patterns of electrical and greases used to conduct a current and radiate heat. A mounting bracket holds the entire assembly for the light fixture together while spacing the LED driver and printed circuit board apart for further cooling, and wherein the upper side of the printed circuit board is exposed to the ambient air inside the housing.

Led Module And Assembly

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US Patent:
20180172247, Jun 21, 2018
Filed:
Feb 15, 2018
Appl. No.:
15/897888
Inventors:
- RANCHO DOMINGUEZ CA, US
HUAN C. NGUYEN - PLACENTIA CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
JAMES MADDEN - PHILADELPHIA PA, US
Assignee:
CORDELIA LIGHTING, INC. - RANCHO DOMINGUEZ CA
International Classification:
F21V 21/02
F21V 23/00
F21V 19/00
F21V 17/16
F21V 29/83
F21V 17/00
F21K 9/68
F21K 9/66
F21Y 115/10
Abstract:
An LED light module assembly for a light fixture is disclosed. The LED light module assembly includes a light source having a printed circuit board containing an LED driver and LEDs. The printed circuit board is directly attached to a mounting plate that includes a thermally conductive and radiating material. An LED cover overlies the LEDs. Spring retainer clips hold a decorative trim ring in a spaced-apart relationship from the mounting plate, creating an air gap for cooling and keeping the trim ring cool. A light diffuser lens has hooked legs that twist lock to the mounting plate and diffuses the light from the LEDs.

Led Module And Assembly

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US Patent:
20160356462, Dec 8, 2016
Filed:
Jun 6, 2016
Appl. No.:
15/174778
Inventors:
- Rancho Dominguez CA, US
HUAN C. NGUYEN - PLACENTIA CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
JAMES MADDEN - PHILADELPHIA PA, US
Assignee:
CORDELIA LIGHTING, INC. - RANCHO DOMINGUEZ CA
International Classification:
F21V 21/02
F21V 29/83
F21V 19/00
F21V 17/16
F21V 17/00
F21V 23/00
F21K 9/66
F21K 9/68
Abstract:
An LED light module assembly for a light fixture is disclosed. The LED light module assembly includes a light source having a printed circuit board containing an LED driver and LEDs. The printed circuit board is directly attached to a mounting board includes a thermally conductive and radiating material. An LED cover overlies the LEDs. Spring retainer clips hold a decorative trim ring in a spaced-apart relationship from the mounting plate, creating an air gap for cooling and keeping the trim ring cool. A light diffuser lens has hooked legs that twist lock to the mounting plate and diffuses the light from the LEDs.

Recessed Led Light Fixture Without Secondary Heat Sink

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US Patent:
20150198324, Jul 16, 2015
Filed:
Jan 10, 2015
Appl. No.:
14/594080
Inventors:
- Rancho Dominguez CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
HUAN C. NGUYEN - ANAHEIM CA, US
Assignee:
CORDELIA LIGHTING INC. - RANCHO DOMINGUEZ CA
International Classification:
F21V 29/70
H05B 37/02
F21S 8/02
F21V 7/04
F21V 13/04
F21K 99/00
F21V 29/89
F21V 23/00
Abstract:
A recessed LED light fixture without need for a bulky, finned, metal heat sink. The recessed LED light fixture includes a Metal Core Printed Circuit Board (MCPCB) holding an array of LEDs that are arrange at the center thereof, and mounted to the printed circuit board using patterns of electrical and thermal conductors used to conduct a current and radiate heat. A mounting bracket holds the entire assembly for the light fixture together while spacing the LED driver and printed circuit board apart for further cooling, and wherein the upper side of the printed circuit board is exposed to the ambient air inside the housing.

Recessed Led Light Fixture

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US Patent:
20140268801, Sep 18, 2014
Filed:
Mar 11, 2014
Appl. No.:
14/205162
Inventors:
- Rancho Dominguez CA, US
SETH CHANG - ROWLAND HEIGHTS CA, US
HUAN C. NGUYEN - ANAHEIM CA, US
JOSEPH JECEN - MT. HOLLY NJ, US
Assignee:
Cordelia Lighting, Inc. - Rancho Dominguez CA
International Classification:
F21S 8/02
F21K 99/00
F21V 29/00
US Classification:
362294, 36229601, 362308
Abstract:
A solid state, recessed light fixture for residential and commercial lighting applications. The fixture includes a truncated cone-shaped trim having a concave bottom surface and a convex top surface, wherein the trim has a sloped circumferential wall that leads to a flat, annular lip at its periphery. An LED array is mounted to the underside within the concave bottom surface and a LED driver is mounted to the top surface. A cover with an open bottom partially encloses the LED driver and a junction box with ROMEX cable openings and knock out ports is stacked on top of the cover. The cover is a thermal insulator to contain heat from the LED driver inside while the trim acts as a thermal conductor and radiator for the LED driver. No “can” housing is needed to enclose the fixture, and no finned, heat sink is needed to dissipate heat.
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Seth F Chang from Rowland Heights, CA, age ~55 Get Report