Patents by Inventor Chia-Yuan Yeh

Chia-Yuan Yeh 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: 8766267
    Abstract: A pixel structure including a semiconductor layer having at least one source region and at least one drain region; a first insulating layer covering the semiconductor layer; a first conductive layer on the first insulating layer and including at least one gate; a second insulating layer covering the first conductive layer; a second conductive layer on the second insulating layer and including at least one source electrode, at least one drain electrode and at least one bottom electrode, the source region, the source electrode, the drain region, the drain electrode and the gate forming at least one thin film transistor; a third insulating layer covering the second conductive layer; a third conductive layer on the third insulating layer and including at least one top electrode, the top electrode and the bottom electrode forming at least one capacitor; and a pixel electrode electrically connected to the thin film transistor.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: July 1, 2014
    Assignee: Au Optronics Corporation
    Inventors: Chun-Yen Liu, Cheng-Chieh Tseng, Chia-Yuan Yeh
  • Publication number: 20130256674
    Abstract: A pixel structure including a semiconductor layer having at least one source region and at least one drain region; a first insulating layer covering the semiconductor layer; a first conductive layer on the first insulating layer and including at least one gate; a second insulating layer covering the first conductive layer; a second conductive layer on the second insulating layer and including at least one source electrode, at least one drain electrode and at least one bottom electrode, the source region, the source electrode, the drain region, the drain electrode and the gate forming at least one thin film transistor; a third insulating layer covering the second conductive layer; a third conductive layer on the third insulating layer and including at least one top electrode, the top electrode and the bottom electrode forming at least one capacitor; and a pixel electrode electrically connected to the thin film transistor.
    Type: Application
    Filed: May 29, 2013
    Publication date: October 3, 2013
    Applicant: Au Optronics Corporation
    Inventors: Chun-Yen Liu, Cheng-Chieh Tseng, Chia-Yuan Yeh
  • Patent number: 8502757
    Abstract: An organic light emitting display (OLED) includes a voltage adjustment unit for adjusting a preliminary control voltage according to a second reference voltage, a couple unit for coupling a change of the preliminary control voltage to adjust a control voltage, a driving unit for providing a driving current and a driving voltage according to the control voltage, a first reset unit for resetting the driving voltage according to a first reference voltage, a second reset unit for resetting the control voltage according to the driving voltage, an organic light emitting diode for generating output light according to the driving current, and an emission enable unit for providing a control of furnishing the driving current to the organic light emitting diode. Through the circuit operation of the reset units and the voltage adjustment unit, occurrences of image retention phenomenon and pixel brightness distortion on the OLED screen can be avoided.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: August 6, 2013
    Assignee: AU Optronics Corp.
    Inventors: Chun-Yen Liu, Chia-Yuan Yeh, Cheng-Chieh Tseng
  • Patent number: 8487311
    Abstract: A pixel structure including a semiconductor layer having at least one source region and at least one drain region; a first insulating layer covering the semiconductor layer; a first conductive layer on the first insulating layer and including at least one gate; a second insulating layer covering the first conductive layer; a second conductive layer on the second insulating layer and including at least one source electrode, at least one drain electrode and at least one bottom electrode, the source region, the source electrode, the drain region, the drain electrode and the gate forming at least one thin film transistor; a third insulating layer covering the second conductive layer; a third conductive layer on the third insulating layer and including at least one top electrode, the top electrode and the bottom electrode forming at least one capacitor; and a pixel electrode electrically connected to the thin film transistor.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: July 16, 2013
    Assignee: Au Optronics Corporation
    Inventors: Chun-Yen Liu, Cheng-Chieh Tseng, Chia-Yuan Yeh
  • Publication number: 20130044046
    Abstract: A display panel includes a substrate, a TFT device, a patterned dielectric layer, a patterned metal layer and a bridge line. The TFT device is disposed in a display region. The patterned dielectric layer includes an ILD layer disposed over the TFT device, and a sealant stage disposed in a peripheral region. The patterned metal layer includes a signal line disposed on the ILD layer, and a first connecting line and a second connecting line. The first connecting line is disposed in an inner side of the sealant stage facing the display region, and the first connecting line is electrically connected to the signal line. The second connecting line is disposed in an outer side of the sealant stage opposite to the display region. The bridge line is disposed under the sealant stage, and the first connecting line and the second connecting line are electrically connected through the bridge line.
    Type: Application
    Filed: May 15, 2012
    Publication date: February 21, 2013
    Inventors: Yen-Shih Huang, Chia-Yuan Yeh, Bo-Feng Lee, Ta-Wei Chiu
  • Publication number: 20120313100
    Abstract: A pixel structure including a semiconductor layer having at least one source region and at least one drain region; a first insulating layer covering the semiconductor layer; a first conductive layer on the first insulating layer and including at least one gate; a second insulating layer covering the first conductive layer; a second conductive layer on the second insulating layer and including at least one source electrode, at least one drain electrode and at least one bottom electrode, the source region, the source electrode, the drain region, the drain electrode and the gate forming at least one thin film transistor; a third insulating layer covering the second conductive layer; a third conductive layer on the third insulating layer and including at least one top electrode, the top electrode and the bottom electrode forming at least one capacitor; and a pixel electrode electrically connected to the thin film transistor.
    Type: Application
    Filed: February 2, 2012
    Publication date: December 13, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Chun-Yen Liu, Cheng-Chieh Tseng, Chia-Yuan Yeh
  • Publication number: 20120242708
    Abstract: The present invention, in one aspect, relates to an active matrix electroluminescent display device. In one embodiment, the active matrix electroluminescent display device includes an emission layer and a circuit layer. The emission layer includes a plurality of regularly-spaced emission pixels disposed in a row. The circuit layer is disposed under the emission layer and includes a plurality of pixel circuits. Each pixel circuit is electrically coupled to a respective emission pixel for controlling the current through the respective emission pixel in response to an applied data signal. The plurality of pixel circuits is spatially arranged into a plurality of groups with each group including one or more adjacent pixel circuits. Any two neighboring groups of adjacent pixel circuits are separated by a space therebetween. The circuit layer further includes a plurality of buffer circuits connected to each other in series.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 27, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Hsuan-Ming Tsai, Chun-Yen Liu, Chia-Yuan Yeh
  • Publication number: 20120235972
    Abstract: An organic light emitting display (OLED) includes a voltage adjustment unit for adjusting a preliminary control voltage according to a second reference voltage, a couple unit for coupling a change of the preliminary control voltage to adjust a control voltage, a driving unit for providing a driving current and a driving voltage according to the control voltage, a first reset unit for resetting the driving voltage according to a first reference voltage, a second reset unit for resetting the control voltage according to the driving voltage, an organic light emitting diode for generating output light according to the driving current, and an emission enable unit for providing a control of furnishing the driving current to the organic light emitting diode. Through the circuit operation of the reset units and the voltage adjustment unit, occurrences of image retention phenomenon and pixel brightness distortion on the OLED screen can be avoided.
    Type: Application
    Filed: November 15, 2011
    Publication date: September 20, 2012
    Inventors: Chun-Yen Liu, Chia-Yuan Yeh, Cheng-Chieh Tseng