Patents by Inventor Feng Chiang

Feng Chiang 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: 9153787
    Abstract: The present invention discloses a novel compound of Formula 1, and an organic electroluminescent device using the same. In Formula 1, X and Y independently represents an aromatic or a hetero aromatic hydrocarbon having a carbon number of from 5 to 10. Ar1 to Ar7 each independently represents an unsubstituted or substituted aromatic hydrocarbon having a carbon number of from 4 to C12, or an unsubstituted or substituted condensed polycyclic aromatic hydrocarbon having a carbon number of from 4 to 12; Ar1 to Ar7 can form an annulated or fused aromatic ring system with the adjacent aromatic hydrocarbons. When the compound of Formula I is used in the device, high luminous efficiency, longer lifetime and low driving voltage can be achieved.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: October 6, 2015
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Banumathy Balaganesan, Heh-Lung Huang, Po-Wei Hsu, Kun-Feng Chiang
  • Patent number: 9111344
    Abstract: An image processing method for image alignment, includes sequentially receiving a plurality of images; generating at least one threshold corresponding to each image according to a plurality of intensities of each image of the plurality of images; converting each image according to the thresholds of each image, for generating a plurality of binary images; acquiring a plurality of characteristic pixels of each binary image according to the plurality of binary images; and aligning the plurality of images according to the plurality of characteristic pixels of each binary image.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: August 18, 2015
    Assignees: NOVATEK Microelectronics Corp., Tsing Hua University
    Inventors: Pin-Ching Su, Hwann-Tzong Chen, Ming-Feng Chiang
  • Publication number: 20150205191
    Abstract: A pico projection fixing module includes a bracket main body, at least two collimator lenses, and at least two color light sources. The bracket main body includes an upper part, a lower part, a connecting part and at least two assembling seats. The upper part and the lower part are located at bilateral sides of the connecting part. Each of the assembling seats includes an opening and a clamping part. The opening is formed on the connecting part. The clamping part is disposed on the upper part and the lower part. The at least two collimator lenses are installed on the connecting part and corresponded to the corresponding openings. The at least two color light sources are installed on the corresponding clamping parts and aligned with the corresponding collimator lenses. The clamping parts corresponding to the assembling seats are separated from each other.
    Type: Application
    Filed: January 13, 2015
    Publication date: July 23, 2015
    Inventors: Chi-Feng Chiang, Chuan Lee, Cheng-Chung Hsu, Chia-Yuan Lin, Meng-Che Lin, Wei-Chih Lin
  • Publication number: 20150200473
    Abstract: A flexible flat cable includes conductive wires disposed on a first surface of an insulation layer, and a cover shield covering an opposite second surface and side surfaces of the insulation layer. An electrical connector includes an insulation case defining an insertion space for receiving an insertion portion of the flexible flat cable, conductive terminals disposed on the base and contacting respectively with the conductive wires, and a ground unit. The ground unit includes a contacting portion disposed in the insertion space and contacting with the cover shield of the flexible flat cable, and a conductive portion extending out of the insulation case for grounding the flexible flat cable.
    Type: Application
    Filed: December 16, 2014
    Publication date: July 16, 2015
    Inventors: Yu-Feng CHIANG, Cheng-Hao LEE, Tung-Huang KUO
  • Patent number: 9074823
    Abstract: A thermal siphon structure includes a main body, a chamber disposed therein, an evaporation section, a condensation section and a connection section positioned between the evaporation section and condensation section. The evaporation section and condensation section are respectively arranged in the chamber on two sides thereof. The connection section has a set of first communication holes and a set of second communication holes in communication with the evaporation section and condensation section. The evaporation section and condensation section respectively have multiple first and second flow guide bodies, which are arranged at intervals to define therebetween first and second flow ways. Each of the first and second flow ways has a narrower end and a wider end. The first flow ways communicate with a free area. The condensation section is designed with a low-pressure end to create a pressure gradient for driving a working fluid to circulate without any capillary structure.
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: July 7, 2015
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang
  • Publication number: 20150185593
    Abstract: A pico projection fixing module includes a bracket main body, plural color light sources, and plural collimator lenses. The bracket main body includes plural assembling seats. The plural assembling seats are arranged side by side. Each of the plural assembling seats includes a first assembling part and a second assembling part beside the corresponding first assembling part. The plural color light sources are installed on the first assembling parts of the plural assembling seats, respectively. The plural collimator lenses are installed on the second assembling parts of the plural assembling seats and aligned with the plural color light sources, respectively. Moreover, plural color light beams from the plural color light sources are projected out through the corresponding collimator lenses. Moreover, plural concave spaces are arranged around bottoms of the plural second assembling parts, respectively, wherein the plural concave spaces are separated from each other.
    Type: Application
    Filed: March 18, 2014
    Publication date: July 2, 2015
    Applicant: LITE-ON IT CORPORATION
    Inventors: Chi-Feng Chiang, Chuan Lee, Wei-Chih Lin, Fu-Ji Tsai, Liang-Tang Chen, Chih-Hao Lin, Wen-Chun Hsu, Chen-I Kuo
  • Patent number: 9071098
    Abstract: A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side connected to the shaft hole. The shaft hole axially extends through the main body for receiving a shaft of a motor therein. A centrifugal force generated by the rotating shaft and accordingly, the heat dissipation device enables enhanced vapor-liquid circulation of a working fluid in the heat dissipation device, so that heat generated by the operating motor is absorbed by the centrifugal heat dissipation device and transferred to the shaft for guiding out of the motor, allowing the motor to have largely upgraded heat dissipation performance.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: June 30, 2015
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang
  • Patent number: 9071100
    Abstract: A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side connected to the shaft hole. The shaft hole axially extends through the main body for receiving a shaft of a motor therein. A centrifugal force generated by the rotating shaft and accordingly, the heat dissipation device enables enhanced vapor-liquid circulation of a working fluid in the heat dissipation device, so that heat generated by the operating motor is absorbed by the centrifugal heat dissipation device and transferred to the shaft for guiding out of the motor, allowing the motor to have largely upgraded heat dissipation performance.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: June 30, 2015
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang
  • Patent number: 9065313
    Abstract: A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side connected to the shaft hole. The shaft hole axially extends through the main body for receiving a shaft of a motor therein. A centrifugal force generated by the rotating shaft and accordingly, the heat dissipation device enables enhanced vapor-liquid circulation of a working fluid in the heat dissipation device, so that heat generated by the operating motor is absorbed by the centrifugal heat dissipation device and transferred to the shaft for guiding out of the motor, allowing the motor to have largely upgraded heat dissipation performance.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: June 23, 2015
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang
  • Patent number: 9057922
    Abstract: Disclosed is a driver circuit structure integrated in a display panel. The driver circuit structure includes a plurality of transistors and a backup transistor. After completing the driver circuit structure, the disclosure inspects it to find an inactive transistor. The inspection process first, isolates the electrical connection between the inactive transistor and the first electrode line and/or the electrical connection between the inactive transistor and the second electrode line. Next, the source electrode of the backup transistor and the first electrode line and/or electrically connecting the drain electrode of the backup transistor and the second electrode line are electrical connected.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: June 16, 2015
    Assignee: AU OPTRONICS CORP.
    Inventors: Kuo-Chang Su, Chun-Hsin Liu, Min-Feng Chiang
  • Patent number: 9052779
    Abstract: A display includes a backlight source, display panel, first light source, and controller. The display panel includes a sensor array for sensing first reflection light generated from an object reflecting first detection light. The first detection light is generated by the backlight source for locating a coordinate of a projection point of the object on the display panel. The first light source is disposed in a first side of the display panel, for repeatedly transmitting second detection light of different transmitting angles to the object at different time to generate a second reflection light. The second reflection light is sensed by the sensor array. The controller is for performing a corresponding operation according to a transmitting angle of the first light source and the coordinate of the projection point when brightness value of the reflective light is substantially greater than a predict value.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: June 9, 2015
    Assignee: AU Optronics Corp.
    Inventors: Guo-Zhen Wang, An-Thung Cho, Ming-Ching Ma, Jiun-Jye Chang, Shuan-Yu Tung, Yi-Pai Huang, Min-Feng Chiang, Wei-Lung Liao
  • Publication number: 20150131234
    Abstract: A heat dissipation device is used in a circuit board, where the circuit board includes a chip and at least one positioning hole disposed around the chip, and each of the positioning holes has a bare metal area on its periphery. The heat dissipation device includes a heat dissipation element, a conductive element and at least one fixing part. The heat dissipation element is disposed on the chip; the conductive element is connected electrically to the bare metal area of the circuit board and the heat dissipation element respectively; the fixing part passes through the fixing holes and is connected to the positioning hole, so as to fix the heat dissipation element to the circuit board. A circuit board is also provided, which includes a substrate, a chip, a positioning hole and the heat dissipation device.
    Type: Application
    Filed: December 2, 2014
    Publication date: May 14, 2015
    Inventors: Yu-Feng CHIANG, Cheng-Hao LEE, Chun-Lin WANG, Tung-Huang KUO
  • Publication number: 20150115293
    Abstract: A light emitting diode (LED) display panel and fabrication method thereof are provided. The LED display panel includes a plurality of dielectric patterns and LED devices, and the dielectric patterns are formed on a substrate subsequent to formation of the LED devices. The dielectric pattern surrounds sidewalls of the corresponding LED device, and exposes an electrode of the LED device. The upper surface of the dielectric pattern and the electrode of the LED device are located at the same level approximately, and a connection electrode is disposed on the dielectric pattern, and electrically connected to the electrode of the LED device and a signal line.
    Type: Application
    Filed: June 12, 2014
    Publication date: April 30, 2015
    Inventors: Tsung-Tien Wu, Kang-Hung Liu, Jiun-Jye Chang, Min-Feng Chiang
  • Patent number: 9020292
    Abstract: A method for correcting a rolling shutter effect is provided. The method includes: obtaining feature point pairs in images, wherein each of the feature point pairs corresponds to a motion vector; obtaining sampling points between two consecutive images in time; setting a moving velocity and an angular velocity of an image capturing unit at each of the sampling points as variables; obtaining estimating motion vectors according to the variables, a focal length of the image capturing unit, and row locations where the feature point pairs are located; executing an optimization algorithm according to a difference between the motion vectors and the estimating motion vectors, to calculate the moving velocity and the angular velocity corresponding to the variables; varying locations of pixels in an image according to the moving velocity and the angular velocity, to generate a first corrected image. Thereby, the rolling shutter effect in an image is removed.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: April 28, 2015
    Assignees: Novatek Microelectronics Corp., National Tsing Hua University
    Inventors: Yen-Hao Chiao, Shang-Hong Lai, Ming-Feng Chiang
  • Patent number: 8973646
    Abstract: A slim type pressure-gradient-driven low-pressure thermosiphon plate includes a main body closed by a cover. The main body includes a central heat receiving zone, a pressure accumulating zone and a first flow passage unit separately located at two opposite sides of the heat receiving zone, a free zone communicating with the pressure accumulating zone, a first and a second condensing zone communicating with the free zone, a third and a fourth condensing zone communicating with the first flow passage unit, a second flow passage unit located between and communicating with the first and the third condensing zone, and a third flow passage unit located between and communicating with the second and the fourth condensing zone. In the thermosiphon plate, a low-pressure end is created through proper pressure-reduction design to form a pressure gradient for driving steam-water circulation, and the working fluid can transfer heat without any wick structure.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: March 10, 2015
    Assignee: Asisa Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang, Yun-Jun Gu
  • Patent number: 8941996
    Abstract: A heat dissipation device is used in a circuit board, where the circuit board includes a chip and at least one positioning hole disposed around the chip, and each of the positioning holes has a bare metal area on its periphery. The heat dissipation device includes a heat dissipation element, a conductive element and at least one fixing part. The heat dissipation element is disposed on the chip; the conductive element is connected electrically to the bare metal area of the circuit board and the heat dissipation element respectively; the fixing part passes through the fixing holes and is connected to the positioning hole, so as to fix the heat dissipation element to the circuit board. A circuit board is also provided, which includes a substrate, a chip, a positioning hole and the heat dissipation device.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: January 27, 2015
    Assignee: Wistron Corporation
    Inventors: Yu-Feng Chiang, Cheng-Hao Lee, Chun-Lin Wang, Tung-Huang Kuo
  • Patent number: 8907712
    Abstract: A level shifter circuit includes a level shifter unit and a first controlling unit. The level shifter unit has an input node for receiving an input signal having a predetermined level, an output node for outputting an output signal having a desired level and a complementary output node for outputting a complementary output signal complementary to the output signal. The first controlling unit is coupled to the level shifter unit and has a first transistor coupled between the complementary output node and a first control node for receiving a first control signal and a second transistor coupled between the input node for receiving the input signal and a ground.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: December 9, 2014
    Assignee: Mediatek Inc.
    Inventor: Chen-Feng Chiang
  • Publication number: 20140265669
    Abstract: A centrifugal heat dissipation device and a motor using same are disclosed. The centrifugal heat dissipation device includes a main body having a shaft hole, a heat-absorption zone and a heat-transfer zone. The heat-transfer zone has a radially outer side connected to the heat-absorption zone and a radially inner side connected to the shaft hole. The shaft hole axially extends through the main body for receiving a shaft of a motor therein. A centrifugal force generated by the rotating shaft and accordingly, the heat dissipation device enables enhanced vapor-liquid circulation of a working fluid in the heat dissipation device, so that heat generated by the operating motor is absorbed by the centrifugal heat dissipation device and transferred to the shaft for guiding out of the motor, allowing the motor to have largely upgraded heat dissipation performance.
    Type: Application
    Filed: April 23, 2014
    Publication date: September 18, 2014
    Applicant: Asia Vital Components Co., Ltd.
    Inventors: Shyy-Woei Chang, Kuei-Feng Chiang
  • Patent number: 8836651
    Abstract: A touch panel includes a plurality of driving lines, a plurality of sensing lines and a plurality of sensing units. The sensing lines are arranged intersecting with the driving lines. The sensing units are arranged in an array, and each of the sensing units is electrically coupled to a corresponding one of the driving lines and a corresponding one of the sensing lines. The driving lines or the sensing lines only pass through a single side of the touch panel.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: September 16, 2014
    Assignee: AU Optronics Corp.
    Inventors: Yi-Long Wang, Ming-Lun Hsieh, Jian-Shen Yu, Min-Feng Chiang
  • Publication number: 20140258569
    Abstract: The present invention provides a signal processing system and associated method. The signal processing system includes converter(s) for conversion between digital and analog, each converter includes multiple serially coupled units forming multiple frequency interfaces respectively associating with different frequencies, and each converter is partitioned, at a selected frequency interface, to a first portion and a second portion respectively formed in the first chip and the second chip. The partitioning frequency interface is selected to reduce implement cost.
    Type: Application
    Filed: February 6, 2014
    Publication date: September 11, 2014
    Applicant: MEDIATEK INC.
    Inventors: Chien-Chung Yang, Chia-Feng Chiang, Chien-Ming Chen