Patents by Inventor Cheng Chuang

Cheng Chuang 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: 9182850
    Abstract: A touch type electrophoretic display apparatus, including: at least one photo-controlled voltage source, used for generating at least one reference voltage, wherein the level of the at least one reference voltage gets lower/higher as the intensity of environmental light increases/decreases; and a plurality of photo sensing circuits, each of which including: a photo transistor, generating a channel current according to an incident light; a light intensity storing capacitor, used for integrating the channel current to generate a photo sensing voltage; and an output switch, used for providing an output signal.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: November 10, 2015
    Assignee: E INK HOLDINGS INC.
    Inventors: Chin-Wen Lin, Kai-Cheng Chuang, Ted Hong Shinn
  • Patent number: 9164548
    Abstract: A touch panel including a first transparent flexible substrate, a plurality of first connection lines, a plurality of second connection lines, a first sensing layer, and a second sensing layer is provided. The first transparent flexible substrate has a first side and a second side and includes a first carrying portion and a first leading portion. The first connection lines and the second connection lines are respectively disposed at the first side and the second side and are extended from the first carrying portion to the first leading portion. The first sensing layer and the second sensing layer have plural transparent electrode patterns and are respectively disposed at the first side and the second side of the first carrying portion. The transparent electrode patterns are respectively connected with the first connection lines and the second connection lines. A handheld electronic device with a touch input function is also provided.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: October 20, 2015
    Assignee: HTC Corporation
    Inventors: I-Cheng Chuang, Chih-Kai Hu, Chun-Lung Huang, Shih-Po Chien, Yi-Ting Liu
  • Patent number: 9167645
    Abstract: A driver circuit adopting a primary side regulating architecture and an isolation transformer for improving LED flickers includes a transformer, a primary side regulating module, a feedback portion, a driving module and a dimming portion. The transformer includes an input coil, an auxiliary coil, a driving coil, and a dimming coil. The primary side regulating module is electrically coupled to the input coil; the feedback portion is electrically coupled to the auxiliary coil and the primary side regulating module; the driving module is electrically coupled to the driving coil; the dimming portion is electrically coupled to the dimming coil and the driving module. When a dimming signal inputted to the dimming portion has a voltage of 1V-10V, and the driver circuit is applied to a panel light, the LED flicker is improved effectively.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: October 20, 2015
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Wei Chang, Huan-Ying Lu, Kai-Cheng Chuang, Che-Hao Kuo
  • Patent number: 9158142
    Abstract: A display unit and an electronic device and an assembling method are provided, wherein the electronic device includes a case and a display unit. The case includes a holding compartment. The display unit is accommodated in the holding compartment, and includes a display module, a transparent cover layer and a transparent adhesive tape. The transparent adhesive tape is configured between the display module and the transparent adhesive tape, and the transparent adhesive tape is adhered to the transparent cover layer. The transparent adhesive tape includes a flange portion extending beyond the display module, and the flange portion can be bent to secure the display unit to the case.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: October 13, 2015
    Assignee: HTC Corporation
    Inventors: Chih-Kai Hu, Hsien-Wei Juan, I-Cheng Chuang, Yi-Ting Liu, Shih-Po Chien, Yin-Chou Chen
  • Publication number: 20150279862
    Abstract: A thin film transistor (TFT) substrate includes a substrate which is a flexible substrate, and a TFT structure disposed on the substrate and including a gate layer, a gate insulator layer, a first channel island and a second channel island. The gate layer is disposed on the substrate and including a first gate electrode and a second gate electrode electrically connected to each other. The first and second gate electrodes are parts of the same TFT structure. The gate insulator layer covers the first and second gate electrodes. The first and second channel islands are disposed on the gate insulator layer and respectively correspond to the first and second gate electrodes. The source and drain layer is disposed on the gate insulator layer and next to the first and second channel islands, wherein the source and drain layer partially covers top surfaces of the first and second channel islands.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Inventors: KAI-CHENG CHUANG, CHAO-JUNG CHEN, I-HSUAN CHIANG
  • Patent number: 9146606
    Abstract: A computer and a waking method thereof are provided. The computer includes a switch circuit, a chipset, a peripheral component interconnect express (PCIE) device, and an embedded controller. The chipset includes a first wake-up pin and a power button pin, wherein the first wake-up pin is coupled to a terminal of the switch circuit. The PCIE device includes a second wake-up pin, and the embedded controller includes a general purpose input pin and a general purpose output pin. The general purpose input pin and the second wake-up pin are coupled to another terminal of the switch circuit. The general purpose output pin is coupled to the power button pin.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: September 29, 2015
    Assignee: WISTRON CORPORATION
    Inventors: I-Chih Huang, Chia-Cheng Chuang, Chih-Yung Chia
  • Patent number: 9137918
    Abstract: An electronic apparatus including a housing, a motherboard, a battery module and a display module is provided. The housing has at least an opening and an accommodating space. The motherboard is disposed in the accommodating space. The battery module is disposed in the accommodating space and stacked over the motherboard. The motherboard is located between the housing and the battery module. The display module is disposed in the accommodating space and stacked over the battery module. The battery module is located between the motherboard and the display module. At least one edge of the battery module in a width direction of the battery module is closer to a corresponding side of the housing than a corresponding edge of the motherboard in a width direction of the motherboard.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 15, 2015
    Assignee: HTC Corporation
    Inventors: I-Cheng Chuang, Yu-Jing Liao, Ying-Yen Cheng, Yin-Chou Chen
  • Publication number: 20150200063
    Abstract: A switch structure and an electronic device using the same are provided. The electronic device has a casing, and the switch structure is disposed at an inner side of the key portion of the casing. The switch structure includes an elastic member, a force transmission member and a strain sensor. The elastic member is connected to the casing. The force transmission member is located inside the casing. The strain sensor is disposed on the elastic member, and the strain sensor and the force transmission member are disposed are two opposite sides of the elastic member respectively. The elastic member is configured to be deformed by the force transmission member when an external force is applied to an outside of the key portion.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 16, 2015
    Applicant: HTC Corporation
    Inventors: I-Cheng Chuang, Yu-Jing Liao, Ying-Yen Cheng, Chih-Wei Tu, Hung-Wen Lin
  • Patent number: 9072149
    Abstract: An LED driving device with open circuit protection and color temperature and brightness adjustment is applied in a lamp to drive LEDs which are divided into strings, and at least one string is formed by connecting blue light diodes in series, and the remaining strings are formed by connecting yellow light LEDs in series, and at least one of the yellow light strings is connected to the blue light string in parallel and then connected to the remaining strings in series to form a node. The LED driving device employs a switch to conduct the blue or yellow light string to change the color temperature of the emitted light of the lamp, and a power input pin of a control chip is electrically coupled to the node. If there is an open circuit caused by an abnormality of the LEDs, the operation will be stopped to provide protection.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: June 30, 2015
    Assignee: Unity Opto Technology Co., Ltd.
    Inventors: Chih-Hsien Wu, Wei Chang, Huan-Ying Lu, Kai-Cheng Chuang, Shao-Wei Chiu
  • Publication number: 20150173237
    Abstract: An electronic module includes a substrate, a metallic shielding cover, an electronic component and a piezoelectric element. The metallic shielding cover is disposed on the substrate and forms an accommodating chamber together with the substrate, wherein the metallic shielding cover has an opening, and the accommodating chamber is communicated with outside via the opening. The electronic component is disposed on the substrate and accommodated in the accommodating chamber. The piezoelectric element is adhered to the metallic shielding cover, wherein the piezoelectric element after being enabled is configured to bring a local portion of the metallic shielding cover for vibrating to change the volume of the accommodating chamber. In addition, a heat dissipation module is also disclosed.
    Type: Application
    Filed: December 17, 2013
    Publication date: June 18, 2015
    Applicant: HTC Corporation
    Inventors: Hung-Wen Lin, Ting-An Kuo, Yu-Jing Liao, I-Cheng Chuang
  • Publication number: 20150173140
    Abstract: An LED driver circuit for supplying a TRIAC holding current by using a controllable current source has a single-stage power factor correction circuit architecture, and the circuit receives an input voltage received by a conversion module of the controllable current source to form an operating current for driving an LED light source to emit light and monitoring the change of the input voltage by a control chip, and adopts a switching method of a fixed cut-off time of a switch unit, so that the controllable current source outputs a constant operating current in a standard peak value to achieve the constant current status during the operation of the LED light source while assuring the operating current is always greater than a holding current required by the TRIAC element when the TRIAC element is conducted.
    Type: Application
    Filed: March 7, 2014
    Publication date: June 18, 2015
    Inventors: CHIH-HSIEN WU, WEI CHANG, KAI-CHENG CHUANG, SHAO-WEI CHIU
  • Patent number: 9055206
    Abstract: An electronic device including a housing, a support member, and a camera module is provided. The housing has a bump. The bump extends toward the outside of the electronic device and correspondingly forms a recess on the inside of the housing. The support member includes a chassis and a holder. The chassis is disposed inside the housing. The holder includes a body, an accommodation recess located on the body and facing the recess, and a skirt extending outwardly from a side of the accommodation recess. The holder is supported against the chassis through the skirt. The camera module is disposed inside the accommodation recess, and a portion of the camera module protrudes outside the accommodation recess, wherein the protruding portion is located in the recess, and the support member is located outside the recess, such that a sidewall of the recess faces and surrounds the camera module.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: June 9, 2015
    Assignee: HTC Corporation
    Inventors: I-Cheng Chuang, Hung-Wen Lin
  • Publication number: 20150156288
    Abstract: A parser is used for parsing a header in a packet. The parser includes a plurality of horizontal field selectors, a plurality of comparators, and a content addressable memory (CAM) based device. Each of the horizontal field selectors is configured to select a first bit group. The comparators are coupled to the horizontal field selectors, respectively. Each of the comparators is configured to compare a first bit group selected by a corresponding horizontal field selector with a designated value to generate a comparison result. The CAM based device is configured to receive a plurality of comparison results generated from the comparators, and use the comparison results as a first input search data.
    Type: Application
    Filed: October 22, 2014
    Publication date: June 4, 2015
    Inventors: Kuo-Cheng Lu, Yuan-Cheng Chuang
  • Publication number: 20150147240
    Abstract: An LED lamp is provided with at least one LED each including an epoxy lens, cathode and anode leads; a reflective cup, a LED chip, and a wire bond; a housing for accommodating a circuit board, the at least one LED mounted on the circuit board, and a fan; openings on the housing; groups of photocatalyst agents coated on areas lit by the LED chip wherein the photocatalyst agents are TiO2 having a particle size in the range of 50 and 300 nano meters; and layers of fluorescent substance coated on areas lit by the LED chip wherein emitted light impinges the layers of fluorescent substance to generate fluorescent light, and wherein white light is generated when emitted light mixes with the fluorescent light. The LED lamp has the functions of disinfection, deodorization, and mildew proofing.
    Type: Application
    Filed: December 4, 2014
    Publication date: May 28, 2015
    Inventors: Liann-Be Chang, Fu-Cheng Chuang, Shih-Huan Huang
  • Publication number: 20150138434
    Abstract: An electronic device including a housing, a support member, and a camera module is provided. The housing has a bump. The bump extends toward the outside of the electronic device and correspondingly forms a recess on the inside of the housing. The support member includes a chassis and a holder. The chassis is disposed inside the housing. The holder includes a body, an accommodation recess located on the body and facing the recess, and a skirt extending outwardly from a side of the accommodation recess. The holder is supported against the chassis through the skirt. The camera module is disposed inside the accommodation recess, and a portion of the camera module protrudes outside the accommodation recess, wherein the protruding portion is located in the recess, and the support member is located outside the recess, such that a sidewall of the recess faces and surrounds the camera module.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 21, 2015
    Applicant: HTC Corporation
    Inventors: I-Cheng Chuang, Hung-Wen Lin
  • Publication number: 20150130700
    Abstract: An assembled electronic apparatus and a control method thereof are provided. The assembled electronic apparatus includes a first body and a second body. A second processor shares a partial content of a sensing record generated by a sensing module through a second information sharing module. The first body and the second body are connected with each other through the first connector and the second connector. After being connected with each other, a message is transmitted by one of the first processor and the second processor to another one of the first processor and the second processor, so that a function is executed by the another one of the first processor and the second processor through the corresponding first processor or the corresponding second processor according to the message. The first processor shares a content of the sensing record generated by the sensing module through a first information sharing module.
    Type: Application
    Filed: July 18, 2014
    Publication date: May 14, 2015
    Applicant: COMPAL ELECTRONICS, INC.
    Inventors: Kai-Yi Chen, Hsiu-Hang Lin, Ching-Wen Sun, Pin-Yu Chou, Yu-Tzu Hsu, Chia-Ni Chen, Wei-Cheng Chuang, Ming-Feng Liu
  • Publication number: 20150130974
    Abstract: A camera assembly, including at least one holder, at least one camera module, and a buffer material, is provided. The holder includes at least one accommodating recess. The camera module is disposed in the accommodating recess, and a gap exists between the camera module and a sidewall of the accommodating recess. The buffer material is filled in the gap to position the camera module in the accommodating recess of the holder. Further, an electronic device including a housing and the camera assembly aforementioned is provided.
    Type: Application
    Filed: November 8, 2013
    Publication date: May 14, 2015
    Applicant: HTC Corporation
    Inventors: I-Cheng Chuang, Hung-Wen Lin
  • Patent number: D732040
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: June 16, 2015
    Assignee: HTC Corporation
    Inventors: I-Cheng Chuang, Shih-Po Chien, Yi-Ting Liu, Chia-Hsiung Peng, Chi-Jer Wang
  • Patent number: D735175
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: July 28, 2015
    Assignee: HTC Corporation
    Inventors: Yi-Ting Liu, I-Cheng Chuang
  • Patent number: D735176
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: July 28, 2015
    Assignee: HTC Corporation
    Inventors: Yi-Ting Liu, I-Cheng Chuang