Patents by Inventor Chih-Ming Wang

Chih-Ming Wang 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: 9543464
    Abstract: The method includes preparing a plurality of light-emitting units, one of the plurality of light-emitting units comprising an electrode, a light-emitting stack, and a protection layer with a first part covering the electrode and a second part which comprises a portion surrounding the electrode and covers the light-emitting stack; removing the portion without removing the first part; forming a wavelength conversion layer on the first part and the light-emitting stack not covered by the second part; and removing the first part to substantially expose the electrode.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: January 10, 2017
    Assignee: EPISTAR CORPORATION
    Inventors: Ming-Chi Hsu, Chih-Ming Wang, Chien-Yuan Wang
  • Patent number: 9531387
    Abstract: A handheld device and a frequency tracking method thereof are provided. The handheld device comprises an oscillator, a radio frequency (RF) chip, a modem module, a first thermal sensor and a thermal module. The oscillator generates an oscillation signal with an oscillation frequency. The RF chip is electrically connected to the oscillator and configured to receive a paging signal from a paging channel and an RF signal from a non-regular channel based on the oscillation signal. The modem module is electrically connected to the RF chip. The first thermal sensor disposed close to the oscillator measures a heat source temperature. The thermal module electrically connected to the modem module and the first thermal sensor enables the modem module to execute a frequency compensation process by using the RF signal of both the paging signal and the RF signal according to the heat source temperature.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: December 27, 2016
    Assignee: MEDIATEK INC.
    Inventors: Chun-Jen Fang, Ching-Sheng Wu, Meng-Lin Wu, Chih-Ming Wang, Chiao-Chih Chang
  • Publication number: 20160350264
    Abstract: At a method for extracting content relating to a commodity which is executable on a server, the server including at least one processor and a storage device. The method includes acquiring a plurality of web articles from Internet; web articles associated with a commodity from the acquired web articles are recognized, a name for the commodity from the recognized web articles is extracted; and a representative picture for the commodity from all pictures in the recognized web articles is selected, the extracted content being extractable and returnable to a user upon input of a keyword.
    Type: Application
    Filed: July 22, 2015
    Publication date: December 1, 2016
    Inventors: HUNG-YI LO, CHIH-MING WANG, YI-JYUN CHANG, MIN-CHUN HU
  • Publication number: 20160241880
    Abstract: A method and apparatus for loop filter processing of reconstructed video data for a video coding system are disclosed. The system receives reconstructed video data for an image unit. The loop filter processing is applied to reconstructed pixels above a deblocking boundary of the current CTU. In order to reduce line buffer requirement and/or to reduce loop filter switching for image units, the sample adaptive offset (SAO) parameter boundary and spatial-loop-filter restricted boundary for the luma and chroma components are determined by global consideration. In one embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary are aligned for the luma and chroma components respectively. In another embodiment, the SAO parameter boundary and the spatial-loop-filter restricted boundary for the luma and chroma components are all aligned.
    Type: Application
    Filed: January 29, 2016
    Publication date: August 18, 2016
    Inventors: Ping CHAO, Huei-Min LIN, Chih-Ming WANG, Yung-Chang CHANG
  • Publication number: 20160241881
    Abstract: In a method and apparatus for loop filter processing, a sample adaptive offset (SAO) process is applied to DF (deblocking filter)-processed pixels of current image unit according to one or more SAO parameters. Pixels within SAO parameter boundary of current image unit share the same SAO parameters. SAO parameter boundary is shifted according to a respective goal to reduce both line buffer requirement and parameter switching, where the vertical SAO parameter boundary of current image unit is shifted-left by xs lines from a vertical boundary of current image unit and the horizontal SAO parameter boundary of current image unit is shifted-up by ys lines from a horizontal boundary of current image unit. To reduce the requirement of line buffer, xs is always greater than m that corresponds to the number of pixels at each side of a horizontal edge modified by DF, ys is greater than or equal to 0.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 18, 2016
    Inventors: Ping CHAO, Huei-Min LIN, Chih-Ming WANG, Yung-Chang CHANG
  • Publication number: 20160191922
    Abstract: A method, apparatus and computer readable medium storing a corresponding computer program for decoding a video bitstream based on multiple decoder cores are disclosed. In one embodiment of the present invention, the method arranges multiple decoder cores to decode one or more frames from a video bitstream using mixed level parallel decoding. The multiple decoder cores are arranged into groups of multiple decoder cores for parallel decoding one or more frames by using one group of multiple decoder cores for said one or more frames, wherein each group of multiple decoder cores comprises one or more decoder cores. The number of frames to be decoded in the mixed level parallel decoding or which frames to be decoded in the mixed level parallel decoding is adaptively determined.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Ping Chao, Chia-Yun Cheng, Chih-Ming Wang, Yung-Chang Chang
  • Publication number: 20160191935
    Abstract: A multi-core decoder system and an associated method use a decoding progress synchronizer to reduce bandwidth consumption for decoding a video bitstream is disclosed. In one embodiment of the present invention, the multi-core decoder system includes a shared reference data buffer coupled to the multiple decoder cores and an external memory. The shared reference data buffer stores reference data received from the external memory and provides the reference data the multiple decoder cores for decoding video data. The multi-core decoder system also includes one or more decoding progress synchronizers coupled to the multiple decoder cores to detect decoding-progress information associated with the multiple decoder cores or status information of the shared reference data buffer, and to control decoding progress for the multiple decoder cores.
    Type: Application
    Filed: December 28, 2015
    Publication date: June 30, 2016
    Inventors: Ping Chao, Chia-Yun Cheng, Chih-Ming Wang, Yung-Chang Chang
  • Publication number: 20160182872
    Abstract: A projection display component of an electronic device includes a carrier and a first cover. The carrier is arranged to carry the electronic device. The first cover is arranged to partially reflect a projected image from the electronic device. The first cover is attached to the carrier via a first hinge set.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 23, 2016
    Applicant: MEDIATEK INC.
    Inventors: Tsu-Ming Liu, Chih-Kai Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160179150
    Abstract: Disclosed is an electronic system with a thermal control mechanism, comprising: an image/video processing module (101), configured to process at least one image or video data; a parameter acquiring device (103), configured to acquire at least one device parameter corresponding to a first device of the image/video processing module (101); and a thermal management device (105), configured to adjust at least one operating parameter for a second device of the image/video processing module (101) according to the device parameter to control a temperature of the image/video processing module (101).
    Type: Application
    Filed: June 12, 2015
    Publication date: June 23, 2016
    Inventors: Tsu-Ming Liu, Tsui-Shan Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160165197
    Abstract: A projection processor includes a receiving circuit and an image processing circuit. The receiving circuit receives an input image. The image processing circuit performs at least one predetermined image processing operation upon the input image to generate an output image, wherein a projection source is generated according to the output image. The projection source is displayed or projected by a projection source component of an electronic device, such that a first cover of a projection display component partially reflects the projection source.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 9, 2016
    Inventors: Tsu-Ming Liu, Chih-Kai Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160161959
    Abstract: Disclosed is a thermal management method for controlling a temperature of a graphic processing module. The method comprises: (a) acquiring at least one device parameter corresponding to a first device of a graphic processing module; and (b) adjusting at least one operating parameter for a second device of the graphic processing module according to the device parameter to control a temperature of a graphic processing module.
    Type: Application
    Filed: June 12, 2015
    Publication date: June 9, 2016
    Inventors: Tsu-Ming Liu, Tsio-Shan Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160165208
    Abstract: A system for providing image or video to be displayed by a projective display system includes: an encoding subsystem and a packing subsystem. The encoding subsystem is configured to encode at least one image or video of a subject to generate encoded image data. The packing subsystem is coupled to the encoding subsystem, and configured to pack the encoded image data with projection configuration information regarding the projective display system to generate packed image data. The projective display system comprises a projection source device and a projection surface, the projection source device projects the image or video to the projection surface according to the packed image data.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 9, 2016
    Inventors: Tsu-Ming Liu, Chih-Kai Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160154444
    Abstract: Disclosed is a thermal management method for controlling a temperature of an image/video processing module for an image capturing device or a video recording device. The thermal management method comprises: (a) acquiring at least one device parameter for at least one first device of the image/video processing module; and (b) adjusting at least one operating parameter for at least one second device of the image/video processing module according to the device parameter.
    Type: Application
    Filed: June 12, 2015
    Publication date: June 2, 2016
    Applicant: Mediatek Inc.
    Inventors: Tsu-Ming Liu, Tsui-Shan Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Publication number: 20160156887
    Abstract: A projection processor for a projective display system includes: a receiving circuit and an image adjustment control circuit. The receiving circuit is configured to receive information provided by a hardware element within a projection source device of the projective display system. The image adjustment control circuit is coupled to the receiving circuit, and configured to adaptively control an image adjustment on an input image to generate the source image according to the information.
    Type: Application
    Filed: May 27, 2015
    Publication date: June 2, 2016
    Inventors: Tsu-Ming Liu, Chih-kai Chang, Chi-Cheng Ju, Chih-Ming Wang
  • Patent number: 9356202
    Abstract: This disclosure discloses a wavelength converting material. The wavelength converting material comprises a plurality of wavelength converting particles, the wavelength converting particles having an average particle size greater than 5 ?m, and wherein each of the wavelength converting particles has a particle size. 90% of the wavelength converting particles have the particle size smaller than a ?m; 50% of the wavelength converting particles have the particle size smaller than b ?m; and 10% of the wavelength converting particles have the particle size smaller than c ?m; wherein (a?c)/b?0.5.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: May 31, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Ru-Shi Liu, Chih-Ming Wang
  • Publication number: 20160100188
    Abstract: A method for motion vector predictor derivation of a block includes following steps: during a same-reference-frame stage of the motion vector predictor derivation, scanning a plurality of candidate motion vector predictors derived from neighbors of the block, and generating a determination result by determining if any candidate motion vector predictor is qualified for a different-reference-frame stage of the motion vector predictor derivation; and referring to the determination result to selectively enable the different-reference-frame stage following the same-reference-frame stage.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 7, 2016
    Inventors: Shun-Hsiang Chuang, Chih-Ming Wang, Yung-Chang Chang
  • Publication number: 20160047524
    Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises a cover comprising a second portion and a first portion, and a light source disposed within the cover. An average thickness of the first portion is greater than that of the second portion.
    Type: Application
    Filed: October 23, 2015
    Publication date: February 18, 2016
    Inventors: Yao Chiu LIN, Been-Yu LIAW, Chih-Ming WANG, Ming-Chi HSU, Yi-Jui HUANG, Tsung-Xian LEE, Kuang-Ping CHAO, Jhih-Sian WANG
  • Patent number: 9255666
    Abstract: This disclosure discloses an illumination apparatus. The illumination apparatus comprises an inner cover comprising a top surface having a first length; a pedestal on which the inner cover is disposed comprising a top surface having a second length; and a holder supporting the pedestal; wherein the first length is greater than the second length.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: February 9, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Chiu-Lin Yao, Been-Yu Liaw, Chih-Ming Wang, Ming-Chi Hsu, Yi-Jui Huang, Tsung-Xian Lee, Kuang-Ping Chao, Jhih-Sian Wang, Min-hsun Hsieh, Chien-Liang Liu
  • Publication number: 20160029022
    Abstract: A video processing apparatus includes a first processing circuit, a second processing circuit, and a control circuit. The first processing circuit performs a first processing operation. The second processing circuit performs a second processing operation different from the first processing operation. The control circuit generates at least one output coding unit to the second processing circuit according to an input coding unit generated from the first processing circuit, wherein the control circuit checks a size of the input coding unit to selectively split the input coding unit into a plurality of output coding units.
    Type: Application
    Filed: July 23, 2015
    Publication date: January 28, 2016
    Inventors: Chia-Yun Cheng, Chih-Ming Wang, Yung-Chang Chang, Chun-Chia Chen, Meng-Jye Hu, Huei-Min Lin
  • Publication number: 20160021378
    Abstract: A decoding apparatus has an arithmetic decoder and a controller. A counter logic of the controller generates a first statistics result according to a first syntax element decoding result. A control logic of the controller instructs the arithmetic decoder to perform a first scan procedure at least once to generate the first syntax element decoding result of transform coefficients of a transform coefficient block, controls a repetition number of a second scan procedure based at least partly on the first statistics result, and instructs the arithmetic decoder to perform the second scan procedure at least once to generate a second syntax element decoding result of the transform coefficients. The first scan procedure decodes a first coded syntax element of one transform coefficient when performed by the arithmetic decoder once. The second scan procedure decodes a second coded syntax element of one transform coefficient when performed by the arithmetic decoder once.
    Type: Application
    Filed: January 21, 2015
    Publication date: January 21, 2016
    Inventors: Chia-Yun Cheng, Chi-Cheng Ju, Yung-Chang Chang, Chih-Ming Wang