Patents by Inventor Cheng-chung Shih

Cheng-chung Shih 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: 9423534
    Abstract: An optical module is disclosed. The optical module includes: a package substrate; an optical device disposed on the package substrate; a clear mold disposed on the package substrate and the optical device; an light blocking mold disposed on the package substrate, surrounding an optical device on the package substrate, and having an opening above the optical device; and a flexible buffer layer disposed on the light blocking mold. The light blocking mold and the flexible buffer layer are integrally formed of light blocking materials different from each other. An optical module including a plurality of optical devices is also disclosed.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: August 23, 2016
    Assignee: VISHAY CAPELLA MICROSYSTEMS (TAIWAN) LIMITED
    Inventors: Cheng-Chung Shih, Yung-Chuan Chuang, Feng-Gang Shiue
  • Publication number: 20150369734
    Abstract: An optical module is disclosed. The optical module includes: a package substrate; an optical device disposed on the package substrate; a clear mold disposed on the package substrate and the optical device; an light blocking mold disposed on the package substrate, surrounding an optical device on the package substrate, and having an opening above the optical device; and a flexible buffer layer disposed on the light blocking mold. The light blocking mold and the flexible buffer layer are integrally formed of light blocking materials different from each other. An optical module including a plurality of optical devices is also disclosed.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 24, 2015
    Inventors: Cheng-Chung SHIH, Yung-Chuan CHUANG, Feng-Gang SHIUE
  • Patent number: 9189074
    Abstract: An optical sensor system is disclosed. The optical sensor system comprises a panel and a sensing unit. The panel comprises a plurality of transparent areas. The sensing unit locates at one side of the panel and the sensing unit senses a plurality of first light signals reflected by an object and senses a plurality second light signals of an ambient light. The reflected first light signals and the second light signals pass through one of the plurality of transparent areas of the panel. The sensing unit further comprises a light sensor and a plurality of gesture sensors. The light sensor locates at the center of the sensing unit, and the light sensor senses the second light signals. The plurality of gesture sensors surrounds the light sensor, and the gesture sensors senses the reflected first light signals and then produce gesture signals corresponding to motions of the object.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: November 17, 2015
    Assignee: CAPELLA MICROSYSTEMS (TAIWAN), INC.
    Inventors: Jinn-Ann Kuo, Yu-Hao Kao, Koon-Wing Tsang, Yuh-Min Lin, Cheng-Chung Shih, Yao-Tsung Tsai
  • Publication number: 20150090909
    Abstract: A selectable view angle optical sensor is disclosed. The selectable view angle optical sensor comprises a substrate, a photodiode array disposed on the substrate, a first optical shielding modulation layer disposed on a first plane and a second optical shielding modulation layer disposed on a second plane. The first plane is on the photodiode array, the second plane is on the first plane, and the first and second planes and a top surface of the photodiode array are substantially in parallel. The dimensions and configurations of the first and second optical shielding modulation layers limit a field of view of the photodiode array so that the photodiode array has selectable view angle function.
    Type: Application
    Filed: June 18, 2014
    Publication date: April 2, 2015
    Inventors: Cheng-Chung SHIH, Koon-Wing TSANG, Yuh-Min LIN
  • Publication number: 20140253780
    Abstract: A method of adjusting light detection algorithm is disclosed. The method of adjusting light detection algorithm comprises steps of obtaining a position information of a mobile device comprising at least one light sensor; determining an ambient light information by the at least one light sensor; and adjusting a light detection algorithm according to the position information and the ambient light information.
    Type: Application
    Filed: August 20, 2013
    Publication date: September 11, 2014
    Applicant: Capella Microsystems (Taiwan), Inc.
    Inventor: Cheng-Chung SHIH
  • Publication number: 20140246592
    Abstract: An optical sensor system is disclosed. The optical sensor system comprises a panel and a sensing unit. The panel comprises a plurality of transparent areas. The sensing unit locates at one side of the panel and the sensing unit senses a plurality of first light signals reflected by an object and senses a plurality second light signals of an ambient light. The reflected first light signals and the second light signals pass through one of the plurality of transparent areas of the panel. The sensing unit further comprises a light sensor and a plurality of gesture sensors. The light sensor locates at the center of the sensing unit, and the light sensor senses the second light signals. The plurality of gesture sensors surrounds the light sensor, and the gesture sensors senses the reflected first light signals and then produce gesture signals corresponding to motions of the object.
    Type: Application
    Filed: September 17, 2013
    Publication date: September 4, 2014
    Applicant: Capella Microsystems (Taiwan), Inc.
    Inventors: JINN-ANN KUO, YU-HAO KAO, KOON-WING TSANG, YUH-MIN LIN, CHENG-CHUNG SHIH, YAO-TSUNG TSAI
  • Publication number: 20140191143
    Abstract: An optocoupler is disclosed including a receiving unit, a metal bump, a substrate, a transparent light guiding block, a light emitting unit, and a transmitting unit. The metal bump is formed on the receiving unit and connects to the substrate. The transmitting unit is electrically connected to the light emitting unit, so as to selectively control whether the light emitting unit to emit the light or not. The metal bump is utilized to connect the substrate with the receiving unit, and then the transparent light guiding block is utilized to cover the light emitting unit, so as to simplify the structure of the optocoupler.
    Type: Application
    Filed: March 15, 2013
    Publication date: July 10, 2014
    Applicant: CAPELLA MICROSYSTEMS (TAIWAN), INC.
    Inventors: CHENG-CHUNG SHIH, YUNG-CHUAN CHUANG, CHIH-CHENG CHIEN
  • Patent number: 8742431
    Abstract: A photo-coupler device includes a P-type substrate, a P-type epitaxial layer, an insulation layer, a plurality of shielding layers, a metal layer and a passivation layer. The P-type epitaxial layer is deposited on the P-type substrate and includes two conducting regions and a plurality of N+ electrode regions between the two conducting regions. The insulation layer is deposited on the P-type epitaxial layer. The shielding layers comprising first shielding layers and second shielding layers are deposited in the insulation layer in parallel in a horizontal direction, and the first shielding layers are arranged for correspondingly covering the two conducting regions, the second shielding layers are arranged for correspondingly covering the at least one of the N+ electrode regions. The metal layer is made of Ag and is deposited on the insulation layer. The passivation layer is deposited on the metal layer.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: June 3, 2014
    Assignee: Capella Microsystems (Taiwan), Inc.
    Inventors: Cheng-Chung Shih, Yuh-Min Lin, Koon-Wing Tsang
  • Publication number: 20140001492
    Abstract: A photo-coupler device includes a P-type substrate, a P-type epitaxial layer, an insulation layer, a plurality of shielding layers, a metal layer and a passivation layer. The P-type epitaxial layer is deposited on the P-type substrate and including two conducting regions and a plurality of N+ electrode regions between the two conducting regions. The insulation layer is deposited on the P-type epitaxial layer. The shielding layers are deposited in the insulation layer in a transverse juxtaposition manner, and the portion of the shielding layers is arranged for correspondingly covering the two conducting regions, another portion of the shielding layers is arranged for correspondingly covering the part of the N+ electrode regions. The metal layer is made of Ag and is deposited on the insulation layer. The passivation layer is deposited on the metal layer.
    Type: Application
    Filed: January 4, 2013
    Publication date: January 2, 2014
    Applicant: CAPELLA MICROSYSTEMS (TAIWAN), INC.
    Inventors: Cheng-Chung Shih, Yuh-Min Lin, Koon-Wing Tsang
  • Patent number: 8536531
    Abstract: The present invention discloses a proximity sensing apparatus and a method thereof. The proximity sensing apparatus comprises a panel, a first light-emitting unit, a second light-emitting unit and a sensing unit. The panel comprises a plurality of transparent areas. The first light-emitting unit is located at one side of the panel and emits a plurality of first light signals through one of the transparent areas. The second light-emitting unit is located at the same side as the first light-emitting unit of the panel and emits a plurality of second light signals through one of the transparent areas. The sensing unit is located at the same side as the first light-emitting unit of the panel and senses the reflected first light signals or the reflected second light signals reflected by an object. Wherein, the sensing unit is closer to the first light-emitting unit than to the second light-emitting unit.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: September 17, 2013
    Assignee: Capella Microsystems, Corp.
    Inventors: Cheng-Chung Shih, Koon-Wing Tsang
  • Patent number: 8436307
    Abstract: The present invention discloses a multi-cavity optical sensing and thermopile infrared sensing system, which comprises an optical sensing part, a dielectric layer, a plurality of optical cavities, and a plurality of thermocouples. The dielectric layer covers on the top of the optical sensing part. The optical cavities are formed by a plurality of metal reflectors inside the dielectric layer. The thermocouples are laterally disposed near the bottom of the dielectric layer. In addition, a low temperature region is formed in an area which is the overlapping of vertical projections of such thermocouples and the optical sensing part; a high temperature region is formed by the overlapping of vertical projections of such thermocouples, but without the overlaying which belongs to the vertical projection of the optical sensing part. Therefore, the system can sense the ambient light brightness, color conditions and human blackbody infrared signals within the range of 8-12 micrometers wavelength.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: May 7, 2013
    Assignee: Capella Microsystems Corp.
    Inventors: Koon-Wing Tsang, Cheng-Chung Shih
  • Publication number: 20130088502
    Abstract: A display driving device is disclosed. The display driving device includes an image data transmission interface, a frame buffer, and an over-driving processor. The image data transmission interface transmits image data, which is then received by and stored in the frame buffer. The over-driving processor is coupled to the image data transmission interface to receive current image data provided by the image data transmission interface, and also coupled to the frame buffer to receive previous image data saved in the frame buffer. In a dynamic display mode, the over-driving processor generates a display driving signal according to the previous image data and the current image data.
    Type: Application
    Filed: April 24, 2012
    Publication date: April 11, 2013
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventors: Cheng-Chung Shih, Wing-Kai Tang, Jin-Sheng Hsieh, Chia-Hsin Tung
  • Patent number: 8373648
    Abstract: A proximity sensor, a control method thereof and an electronic apparatus equipped with the proximity sensor are disclosed. The proximity sensor connected to a light-emitting module includes a light source, a light receiver and a control module. The light source emits lights at predetermined time intervals. The light receiver receives reflected lights of the emitted lights that are reflected from an object. The control module determines whether an average value of intensity values of the reflected lights is larger than a threshold value. If yes, the control module further determines whether a difference between a highest and a lowest intensity value of the reflected lights falls in a preset range. If yes, the control module would control the light-emitting module to change to a different light mode thereof. When a user reacts to the different light mode, the system will be able to tell whether a real user is present.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: February 12, 2013
    Assignee: Capella Microsystems, Corp.
    Inventors: Cheng-Chung Shih, Yao-Tsung Tsai, Koon-Wing Tsang
  • Publication number: 20130015356
    Abstract: A reflection sensing system comprising a body, an illuming module and a detecting module. The body is made of LCP. The illuming module includes a first accommodating space and an LED, and the detecting module includes a light detector. The first accommodating space is disposed in the body and has a first opening at one end. In the first accommodating space, the neighboring region relative to the first opening is parabolic or approximately parabolic. At an end at an inner side of the first accommodating space near the light detector, at least one cross-section near the first opening is not parabolic or approximately parabolic. The LED is disposed at the focus of the first accommodating space and aligned towards the first opening. The light detector of the detecting module is disposed in the body and generates a sensing signal after receiving light.
    Type: Application
    Filed: December 14, 2011
    Publication date: January 17, 2013
    Applicant: CAPELLA MICROSYSTEMS (TAIWAN), INC.
    Inventors: Cheng-Chung Shih, Yung-Chuan Chuang, Chien-Chung Hsiao
  • Publication number: 20120298869
    Abstract: The present invention discloses a proximity sensing apparatus and a method thereof. The proximity sensing apparatus comprises a panel, a first light-emitting unit, a second light-emitting unit and a sensing unit. The panel comprises a plurality of transparent areas. The first light-emitting unit is located at one side of the panel and emits a plurality of first light signals through one of the transparent areas. The second light-emitting unit is located at the same side as the first light-emitting unit of the panel and emits a plurality of second light signals through one of the transparent areas. The sensing unit is located at the same side as the first light-emitting unit of the panel and senses the reflected first light signals or the reflected second light signals reflected by an object. Wherein, the sensing unit is closer to the first light-emitting unit than to the second light-emitting unit.
    Type: Application
    Filed: May 27, 2011
    Publication date: November 29, 2012
    Inventors: CHENG-CHUNG SHIH, KOON-WING TSANG
  • Publication number: 20120019149
    Abstract: A proximity sensor, a control method thereof and an electronic apparatus equipped with the proximity sensor are disclosed. The proximity sensor connected to a light-emitting module includes a light source, a light receiver and a control module. The light source emits lights at predetermined time intervals. The light receiver receives reflected lights of the emitted lights that are reflected from an object. The control module determines whether an average value of intensity values of the reflected lights is larger than a threshold value. If yes, the control module further determines whether a difference between a highest and a lowest intensity value of the reflected lights falls in a preset range. If yes, the control module would control the light-emitting module to change to a different light mode thereof. When a user reacts to the different light mode, the system will be able to tell whether a real user is present.
    Type: Application
    Filed: September 9, 2010
    Publication date: January 26, 2012
    Applicant: CAPELLA MICROSYSTEMS, CORP.
    Inventors: Cheng-Chung Shih, Yao-Tsung Tsai, Koon-Wing Tsang
  • Publication number: 20120012966
    Abstract: The present invention discloses a multi-cavity optical sensing and thermopile infrared sensing system, which comprises an optical sensing part, a dielectric layer, a plurality of optical cavities, and a plurality of thermocouples. The dielectric layer covers on the top of the optical sensing part. The optical cavities are formed by a plurality of metal reflectors inside the dielectric layer. The thermocouples are laterally disposed near the bottom of the dielectric layer. In addition, a low temperature region is formed in an area which is the overlapping of vertical projections of such thermocouples and the optical sensing part; a high temperature region is formed by the overlapping of vertical projections of such thermocouples, but without the overlaying which belongs to the vertical projection of the optical sensing part. Therefore, the system can sense the ambient light brightness, color conditions and human blackbody infrared signals within the range of 8-12 micrometers wavelength.
    Type: Application
    Filed: March 14, 2011
    Publication date: January 19, 2012
    Applicant: CAPELLA MICROSYSTEMS CORP.
    Inventors: KOON-WING TSANG, Cheng-Chung Shih
  • Publication number: 20110226952
    Abstract: A reflection sensing system comprises a body, an illuming module and a detecting module. The body is made by low temperature co-fired ceramic (LTCC) technology or other plasticity colloids and disposed a plurality of electronic connecting points. The illuming module includes a first accommodating space and a light emitted diode (LED), and the detecting module includes a light detector. The first accommodating space is disposed on the body and having a first open at one side. The cross-section of the first accommodating space is parabolic. The LED is disposed at the site of the focus of the first accommodating space, connected to the electronic connecting points and facing to the first open. The light detector is disposed on the body, connected to the electronic connecting points and providing sensing signals after receiving light.
    Type: Application
    Filed: March 16, 2011
    Publication date: September 22, 2011
    Applicant: Capella Microsystems, Corp.
    Inventors: Cheng-Chung Shih, Yuh-Min Lin, Koon-Wing Tsang
  • Patent number: 7965048
    Abstract: A light emitting apparatus comprises a light emitting element and a switching converter comprising a conversion circuit for converting an operating electric signal to generate the driving electric signal, a feedback circuit having a light detecting element for detecting a luminous intensity of the light emitting element and generating a feedback signal, and a control circuit for receiving the feedback signal, comparing the received feedback signal with a reference electric signal, and controlling the conversion circuit based on comparison results to adjust the driving electric signal. Alternatively, the light detecting element detects ambient light and the control circuit controls the conversion circuit based on comparison results to stop or enable outputting of the driving electric signal.
    Type: Grant
    Filed: October 16, 2008
    Date of Patent: June 21, 2011
    Assignee: Capella Microsystems, Corp.
    Inventors: Yuh-Min Lin, Cheng-Chung Shih
  • Publication number: 20110090482
    Abstract: The present invention relates to an optical position detecting device and method thereof, comprising multiple light emitting components, a driving unit, at least one photo detecting unit, a position storing unit and a position determining unit. Each light emitting components disposed on a plane to form a sensing area respectively projects a light source into the sensing area. The disposing positions of light emitting components and photo detecting unit are recorded in the position determining unit. The driving unit drives light emitting components sequentially. When an object encounters the projected light source above the sensing area, thus sequentially creating a reflected light signal, the photo detecting unit respectively generates sensed signals based on the intensity of the reflected light signal. The position storing unit records the positions of light emitting components and photo detecting unit. The position determining unit determines the position of the object.
    Type: Application
    Filed: October 19, 2009
    Publication date: April 21, 2011
    Applicant: CAPELLA MICROSYSTEMS, CORP.
    Inventors: CHENG-CHUNG SHIH, YUH-MIN LIN