Patents by Inventor Leng Tan

Leng Tan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8915603
    Abstract: A cooling system utilizing a potential energy that provides cooling with low power consumption is disclosed. The cooling system may comprise a heat dissipating member, a support structure, a movable assembly, and a coil. In one embodiment, the movable assembly may be configured to oscillate above the heat dissipating member by utilizing induction from the coil and the potential energy to generate air flow that provide cooling on the heat dissipating member. In other embodiments, the movable assembly may be configured to oscillate substantially within the recess of the heat dissipating member.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: December 23, 2014
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Chuan Hoe Chan, Ju Chin Poh, Kheng Leng Tan
  • Publication number: 20140353701
    Abstract: A package for a light source is disclosed. In particular, a Plastic Leaded Chip Carrier (PLCC) is described which provides enhanced heat dissipating properties. Moreover, the PLCC is described as comprising a single-gage leadframe, which provides for enhanced design flexibility and reduced manufacturing costs. Methods of manufacturing light source packages are also disclosed.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 4, 2014
    Inventors: Norfidathul Aizar Abdul Karim, Chiau Jin Lee, Kheng Leng Tan
  • Patent number: 8891783
    Abstract: A directional sound system is disclosed. The directional sound system (400) comprises a plurality of equalization stages (404, 406) configured to equalize an input signal; and a transducer stage (412) configured to transmit the equalized input signal; wherein the plurality of equalization stages (404, 406) comprises a first equalization stage (404) configured to employ an approximated model of the transducer stage (412) and a second equalization stage (406) configured to compensate for differences between the approximated model of the transducer stage (412) and an actual model of the transducer stage (412).
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: November 18, 2014
    Assignee: Nanyang Technological University
    Inventors: Ee Leng Tan, Woon Seng Gan
  • Patent number: 8876312
    Abstract: In one embodiment, a light-emitting device having a substrate, a casing, a plurality of light source dies, a plurality of spectral converters and a plurality of optical structures is disclosed. The spectral converters may be configured to spectrally adjust a portion of the light output of the light source die into a first and second converted spectral output that is substantially different from one another. In another embodiment, a system for illumination having a plurality of lighting assemblies has been disclosed. Each of the lighting assemblies comprises a light source die and a spectral converter. The spectral converter is configured to spectrally adjust the light output of the light source die so that the plurality of lighting assemblies are configured to emit substantially different spectral output. In yet another embodiment, a lighting apparatus having a primary spectral converter and a secondary spectral converter is disclosed.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: November 4, 2014
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Kheng Leng Tan, Ju Chin Poh, Keat Chuan Ng, Chuan Hoe Chan, Kwok Yuen Ng, Kum Soon Wong
  • Publication number: 20140254127
    Abstract: In one embodiment, a light-emitting device having a substrate, a casing, a plurality of light source dies, a plurality of spectral converters and a plurality of optical structures is disclosed. The spectral converters may be configured to spectrally adjust a portion of the light output of the light source die into a first and second converted spectral output that is substantially different from one another. In another embodiment, a system for illumination having a plurality of lighting assemblies has been disclosed. Each of the lighting assemblies comprises a light source die and a spectral converter. The spectral converter is configured to spectrally adjust the light output of the light source die so that the plurality of lighting assemblies are configured to emit substantially different spectral output. In yet another embodiment, a lighting apparatus having a primary spectral converter and a secondary spectral converter is disclosed.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 11, 2014
    Applicant: Avago Technologies General lP (Singapore) Pte. Ltd.
    Inventors: Kheng Leng Tan, Ju Chin Poh, Keat Chuan Ng, Chuan Hoe Chan, Kwok Yuen Ng, Kum Soon Wong
  • Publication number: 20140184096
    Abstract: An illumination device, system, and method are disclosed. The illumination system includes a first set of light sources and a second set of light sources, driven by a first driver and second driver, respectively. The system further includes a dimming control system that implemented dimming control logic. The dimming control logic coordinates the operation of the first and second drivers such that the first and second sets of light sources are activated and deactivated so as to achieve substantially constant color temperature during dimming operations.
    Type: Application
    Filed: January 3, 2013
    Publication date: July 3, 2014
    Applicant: Avago Technologies General IP (Singapore) Pte., Ltd.
    Inventors: Keat Chuan Ng, Choon Guan Ko, Kheng Leng Tan
  • Publication number: 20140168975
    Abstract: A lighting system and lighting fixture cover are disclosed. Specifically, the lighting system can provide an optimum light beam shape for a number of different lighting applications. The lighting system includes a PCB and cover with one or more lenses and one or more snap-fit locking mechanisms to secure the cover to the PCB. The cover enables a narrow beam output without sacrificing beam intensity or brightness. The cover simplifies the assembly process of a lighting fixture.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 19, 2014
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd
    Inventors: Keat Chuan Ng, Ju Chin Poh, Kheng Leng Tan
  • Publication number: 20140160746
    Abstract: An illumination device, system, and method are disclosed. The illumination device includes an active cooling mechanism and a controller for the same. When the controller activates or deactivates the active cooling mechanism, one or more optical elements on the illumination device are automatically moved, thereby adjusting at least one characteristic of the light emitted by the illumination device.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 12, 2014
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd
    Inventors: Keat Chuan Ng, Kheng Leng Tan, Ju Chin Poh
  • Publication number: 20140153219
    Abstract: A cooling system utilizing a potential energy that provides cooling with low power consumption is disclosed. The cooling system may comprise a heat dissipating member, a support structure, a movable assembly, and a coil. In one embodiment, the movable assembly may be configured to oscillate above the heat dissipating member by utilizing induction from the coil and the potential energy to generate air flow that provide cooling on the heat dissipating member. In other embodiments, the movable assembly may be configured to oscillate substantially within the recess of the heat dissipating member.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 5, 2014
    Applicant: Avago Technologies General IP (Singapore) Pte. Ltd
    Inventors: Chuan Hoe Chan, Ju Chin Poh, Kheng Leng Tan
  • Publication number: 20140153765
    Abstract: A listening device (120; 220; 320), such as a pair of headphones, is provided for wearing by a user. It contains two or more sound emitters for directing sound to each ear (2) of the user. At least one of the sound emitters (116; 216, 316) is positioned such that sound is emitted in a direction substantially perpendicular to the axis of the ear canal (10) of the ear, and towards the wall of the concha (6) of the ear (2).
    Type: Application
    Filed: April 2, 2012
    Publication date: June 5, 2014
    Applicant: Nanyang Technological University
    Inventors: Woon Seng Gan, Ee Leng Tan
  • Publication number: 20140146531
    Abstract: An illumination device, system, and method are disclosed. The illumination device includes one or more first light sources and one or more second light sources. The one or more first light sources may correspond to discrete light sources whereas the one or more second light sources may correspond to sheet or film-type light sources, such as Organic Light Emitting Diode (OLED) sheets.
    Type: Application
    Filed: November 27, 2012
    Publication date: May 29, 2014
    Applicant: Avago Technologies General IP (Singapore ) Pte. Ltd.
    Inventors: Keat Chuan Ng, Kheng Leng Tan, Yi Feng Hwang, Ju Chin Poh
  • Patent number: 8624329
    Abstract: A first example embodiment provides a method of removing first spacers from gates and incorporating a low-k material into the ILD layer to increase device performance. A second example embodiment comprises replacing the first spacers after silicidation with low-k spacers. This serves to reduce the parasitic capacitances. Also, by implementing the low-k spacers only after silicidation, the embodiments' low-k spacers are not compromised by multiple high dose ion implantations and resist strip steps. The example embodiments can improve device performance, such as the performance of a rim oscillator.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: January 7, 2014
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Yong Meng Lee, Young Way Teh, Chung Woh Lai, Wenhe Lin, Khee Yong Lim, Wee Leng Tan, Hui Peng Koh, John Sudijono, Liang Choo Hsia
  • Publication number: 20130215611
    Abstract: A lighting system and method are disclosed. Specifically, the lighting system includes a hybrid canopy that can provide an optimum light beam shape for a number of different lighting applications. The hybrid canopy is equipped with lighting clusters of different types, thereby enabling a broader beam output without sacrificing beam intensity or brightness.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 22, 2013
    Applicant: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.
    Inventors: Kum Soon Wong, Kheng Leng Tan, Chuan Hoe Chan
  • Publication number: 20130062655
    Abstract: A package for a light source, a semiconductor device, and methods of manufacturing the same are disclosed. In particular, a Light Emitting Diode (LED) dice is attached to a bonding pad of the light source package by two discrete types of different adhesives. One of the adhesives may be curable under exposure to Ultraviolet (UV) light and the other adhesive may be cured under thermal radiation, but is stable when exposed to UV light.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 14, 2013
    Applicant: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.
    Inventors: Keat Chuan Ng, Bit Tie Chan, Kheng Leng Tan
  • Patent number: 8356917
    Abstract: An embodiment of a light source comprises a first lead and a second lead. The first lead comprises a first mounting surface wherein a first light emitter is connectable to the first mounting surface, a support member attached to the first mounting surface, a conductor portion attached to the support member, and at least one tab extending from the first mounting surface, the at least one tab being used to hold the first lead during fabrication. The second lead is second lead located adjacent the first lead and comprises a second mounting surface wherein a second light emitter is connectable to the second mounting surface, at least two support members attached to the second mounting surface, and a conductor portion attached to each of the support members.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 22, 2013
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Keat Chuan Ng, Chiau Jin Lee, Kheng Leng Tan, Aizar Abdul Karim Norfidathul
  • Publication number: 20120314872
    Abstract: A processing system for processing an input signal to produce three-dimensional audio effects is disclosed. The processing system comprises: a cue sending path configured to extract a set of binaural cues from the input signal and further configured to send at least a portion of the extracted set of binaural cues to at least one directional loudspeaker for transmission; and an ambience sending path configured to send at least a part of the input signal comprising ambience sounds to at least one conventional loudspeaker for transmission.
    Type: Application
    Filed: January 19, 2011
    Publication date: December 13, 2012
    Inventors: Ee Leng Tan, Woon Seng Gan
  • Patent number: 8299482
    Abstract: Embodiments of light sources are disclosed herein. An embodiment of the light source comprises a lead frame having a first side and a second side. A hole extends through the lead frame between the first side and the second side. An adhesive is located in the hole and extends beyond the hole, wherein the adhesive extends beyond the diameter of the hole on the first side and the second side of the first lead frame. A light emitter adhered to the adhesive proximate the first side of the first lead frame.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: October 30, 2012
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Keat Chuan Ng, Lig Yi Yong, Kheng Leng Tan
  • Patent number: 8271417
    Abstract: Techniques for indicating the status or health of a software system in a simple and summarized manner. In one embodiment, a health meter is displayed that displays a status value indicating the status or health of the software system. The status or health of the system as indicated by the health meter may be based upon one or more characteristics or perspectives (or components) of the system, such as performance, resource utilization, reliability, availability, scalability, and status values computed for the components.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: September 18, 2012
    Assignee: Oracle International Corporation
    Inventors: Balasubrahmanyam Kuchibhotla, Karl Dias, Jonathan Klein, Gary Ngai, Mark Ramacher, Leng Tan
  • Publication number: 20120211785
    Abstract: A Plastic Leaded Chip Carrier (PLCC) package is disclosed. The PLCC package includes a lead frame with an integrated reflector cup. The reflector cup is directly connected to a heat sink, which improves the ability of the PLCC package to distribute heat away from the light source that is provided in the reflector cup.
    Type: Application
    Filed: February 23, 2011
    Publication date: August 23, 2012
    Applicant: AVAGO TECHNOLOGIES ECBU IP (SINGAPORE) PTE. LTD.
    Inventors: Keat Chuan Ng, Kheng Leng Tan, Chiau Jin Lee
  • Patent number: 8232574
    Abstract: A surface mount light emitting device package with mechanical latching means for locking a lens on to the package is provided. The surface mount light emitting package may include an encapsulation layer or a lens, a lead frame, at least one lead, a body, a die, and a layer of transparent gel encapsulant material. The lead frame may include at least one protrusion which is bent upward to from at least one latch for engaging the lens.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: July 31, 2012
    Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.
    Inventors: Keat Chuan Ng, Chiau Jin Lee, Kheng Leng Tan