Patents by Inventor Yung-Hui Yeh

Yung-Hui 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).

  • Publication number: 20090068773
    Abstract: A method for fabricating an AMOLED pixel includes forming a transparent semiconductor layer on a substrate and forming a first channel layer of the switch TFT, a lower electrode of a storage capacitor and a second channel layer of a driving TFT. A first dielectric layer is formed over the substrate. A first opaque metal gate of the switch TFT, a second opaque metal gate of the driving TFT and a scan line are formed on the first dielectric layer. A first source and a first drain of the switch TFT are formed in the first channel layer and a second source and a second drain of the switch TFT are formed in the second channel layer. A patterned transparent metal layer is formed on the first dielectric layer. A data line is formed over the substrate. An OLED is formed over the substrate.
    Type: Application
    Filed: October 20, 2008
    Publication date: March 12, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Ming Lai, Yung-Hui Yeh, Yi-Hsun Huang
  • Patent number: 7495736
    Abstract: A pixel array with flexible circuit layout is disclosed, which comprises: a substrate, having a first surface; a plurality of scan lines; and a plurality of data lines; wherein the plural scan lines are disposed on the first surface while each has a profile defined by a non-linear first function, and the plural data lines are disposed on the first surface while each has a profile defined by a non-linear second function. When the pixel array is adapted for a flexible display and the display is being bended, the flexible circuit layout of the pixel array of the invention can effectively reduce the risk of the snapping of the conductive wires used in the pixel array so that the flexibility and reliability of the flexible display are enhanced.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: February 24, 2009
    Assignee: Industrial Technology Research Instituti
    Inventors: Bo-Chu Chen, Huai-Yuan Tseng, Yung-Hui Yeh, Ching-Chieh Lin
  • Publication number: 20090029532
    Abstract: This invention provides a method for forming a microcrystalline silicon film, which employs a three-stage deposition process to form a microcrystalline film. A microcrystalline silicon seed layer is formed on a substrate. Gaseous ions are used to bombard a surface of the microcrystalline silicon seed layer. Microcrystalline silicon is formed on the microcrystalline silicon seed layer after the bombardment to a predetermined thickness.
    Type: Application
    Filed: December 27, 2007
    Publication date: January 29, 2009
    Inventors: Jung-Jie Huang, Cheng-Ju Tsai, Yung-Hui Yeh
  • Patent number: 7482185
    Abstract: A vertical pixel structure for emi-flective display and a method thereof are provided. The vertical pixel structure has a substrate, a emitting pixel unit arranged on the substrate and a reflective pixel unit arranged on the emitting pixel unit. By using the vertical pixel structure the aperture of the display can be increased, and the power consumption can be reduced as well.
    Type: Grant
    Filed: January 2, 2006
    Date of Patent: January 27, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Yung-Hui Yeh, Yu-Wu Wang, Yu-Lung Liu, Chi-Chang Liao, Hsing-Lung Wang
  • Publication number: 20090020790
    Abstract: A method of directly depositing a polysilicon film at a low temperature is disclosed. The method comprises providing a substrate and performing a sequential deposition process. The sequential deposition process comprises first and second deposition steps. In the first deposition step, a first bias voltage is applied to the substrate, and plasma chemical vapor deposition is utilized to form a first polysilicon sub-layer on the substrate. In the second deposition step, a second bias voltage is applied to the substrate, and plasma chemical vapor deposition is utilized to form a second polysilicon sub-layer on the first sub-layer. The first and second sub-layers constitute the polysilicon film, and the first bias voltage differs from the second bias voltage.
    Type: Application
    Filed: May 6, 2008
    Publication date: January 22, 2009
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Yuan Tseng, I Hsuan Peng, Yung-Hui Yeh, Jung-Jie Huang, Cheng-Ju Tsai
  • Publication number: 20080158498
    Abstract: A flexible display panel device includes a plastic substrate with a display region and a peripheral region, a plurality of ribs disposed in the peripheral region and/or the display region, a discontinuous buffer layer disposed on the plastic substrate, and an active matrix component layer on a pixel disposed on the discontinuous buffer layer. During the fabrication of the flexible panel, a plastic substrate is first disposed on a carrier substrate for performing device fabrication. After the panel is finished, the plastic substrate is departed from the carrier substrate to form a flexible panel. Through the integration design of the ribs and discontinuous buffer layer, the flexible panel has preferred warp resistance and low stress, thereby enhancing the reliability and life time of the panel.
    Type: Application
    Filed: October 26, 2007
    Publication date: July 3, 2008
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Hsiang Chang, Hsin-Hung Pan, Yung-Hui Yeh
  • Patent number: 7307380
    Abstract: A cathode structure for inverted OLEDs is provided, which comprise a substrate, a conductive electrode layer, an organic material layer, a dielectric layer, and a metal layer. Wherein, the conductive electrode layer is disposed over the substrate, the organic structure layer is disposed over the conductive electrode layer, the dielectric layer is disposed over the organic material layer, and the metal layer is disposed over the dielectric layer. Such cathode structure can function without using the metals of low work function and high chemical activity so as to benefit the manufacturing of organic light emitting devices and displays, and provide a more stable working conditions.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: December 11, 2007
    Assignee: Industrial Technology Research Institute
    Inventors: Yung Hui Yeh, Chung Chih Wu, Chieh Wei Chen, Chun Liang Lin, Chih Jen Yang
  • Publication number: 20070194677
    Abstract: A structure and method for improving contact resistance in an organic light emitting diode integrated with a color filter, the structure and method mainly utilize a metal to be filled in a contact well on a source/drain metal layer or in a contact well corresponding to the position of the source/drain metal layer on a poly-silicon island to effectively reduce the contact resistance between pixel electrode and thin film transistor, therefore color display quality of the organic light emitting diode is improved.
    Type: Application
    Filed: January 10, 2007
    Publication date: August 23, 2007
    Inventors: Yu-Jung Liu, Yi-Hsun Huang, Yung-Hui Yeh
  • Publication number: 20070188062
    Abstract: Structures and methods for improving image quality of organic light emitting diode integrated with color filters, the structures and methods mainly utilize a planarization layer to be coated on the color filter or to substitute for a passivation layer, or utilize a planarization layer to be coated on the color filter and utilize another planarization layer to substitute for a passivation layer to effectively reduce surface roughness of pixel electrode, therefore manufacturing yield and image quality of the organic light emitting diode are improved.
    Type: Application
    Filed: August 29, 2006
    Publication date: August 16, 2007
    Inventors: Chun-Cheng Cheng, Yu-Jung Liu, Yung-Hui Yeh
  • Publication number: 20070158706
    Abstract: A thin film transistor for fabricating on a flexible substrate is provided. The thin film transistor includes a gate, a gate insulating layer, a channel layer, a first conductive pattern, and a second conductive pattern. The gate and the gate insulating layer are disposed on the flexible substrate, and the gate insulating layer covers the gate. The channel layer is disposed on the gate insulating layer and located above the gate. The channel layer has a first contact region and multiple second contact regions, wherein the first contact region is located between the second contact regions. In addition, the first conductive pattern is disposed on a portion of the gate insulating layer and the first contact region; and the second conductive pattern electrically insulated from the first conductive pattern is disposed on a portion of the gate insulating layer and the second contact region.
    Type: Application
    Filed: March 8, 2006
    Publication date: July 12, 2007
    Inventors: Chih-Ming Lai, Yung-Hui Yeh, Yi-Hsun Huang
  • Publication number: 20070152217
    Abstract: A pixel structure of an active matrix organic light-emitting diode (AMOLED) includes an organic light-emitting diode (OLED), a data line, at least one scan line, at least one switch thin film transistor (TFT), at least one driving TFT and at least one storage capacitor with two transparent electrodes. Since both the electrodes of the transparent storage capacitor are formed by transparent material, the aperture ratio of the pixel and the area of the capacitor largely increase and can reach 50%˜95% of a pixel area. Thus, the display quality of an AMOLED panel can be improved.
    Type: Application
    Filed: March 3, 2006
    Publication date: July 5, 2007
    Inventors: Chih-Ming Lai, Yung-Hui Yeh, Yi-Hsun Huang
  • Patent number: 7221012
    Abstract: A pixel array formed on a substrate mainly including scan lines and data lines is provided. The scan lines and the data lines are essentially consisted of conductive patterns disposed at different layers and contact windows electrically connected with the conductive patterns disposed at the different layers. The scan lines and the data lines are respectively consisted of conductive patterns to prevent the scan lines and the data lines from cracking when the substrate is warped. Besides, the pixel array further includes dielectric layers having trenches therein, to divide the dielectric layers into independent dielectric patterns. Thus, the dielectric layers would not crack easily when the substrate is warped.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: May 22, 2007
    Assignee: Industrial Technology Research INstitute
    Inventors: Fang-Tsun Chu, Yung-Hui Yeh
  • Patent number: 7215073
    Abstract: The present invention discloses an active organic light emitting diode (AOLED) display structure. A color filter and thin film transistor organic light emitting diode (TFT-OLED) are incorporated on one substrate of the AOLED. Moreover, a Indium Tin Oxide(ITO)layer of the AOLED is deposited with a black matrix layer so as to lower light leakage effect and increase the contrast and color purity level in between pixels of the display. By adopting such technology, a flat panel display having large area, high resolution and low product cost is accordingly implemented.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: May 8, 2007
    Assignee: Industrial Technology Research Institute
    Inventors: Yung-Hui Yeh, Chi-Lin Chen, Yu-Lung Liu, Ching-Hsuan Tang, Lung-Pin Hsin
  • Publication number: 20070090420
    Abstract: A pixel array formed on a substrate mainly including scan lines and data lines is provided. The scan lines and the data lines are essentially consisted of conductive patterns disposed at different layers and contact windows electrically connected with the conductive patterns disposed at the different layers. The scan lines and the data lines are respectively consisted of conductive patterns to prevent the scan lines and the data lines from cracking when the substrate is warped. Besides, the pixel array further includes dielectric layers having trenches therein, to divide the dielectric layers into independent dielectric patterns. Thus, the dielectric layers would not crack easily when the substrate is warped.
    Type: Application
    Filed: February 21, 2006
    Publication date: April 26, 2007
    Inventors: Fang-Tsun Chu, Yung-Hui Yeh
  • Publication number: 20070040953
    Abstract: A pixel structure utilized for flexible displays, which is suitably disposed on a flexible substrate and is driven by a data line and a scan line, is characterized in that the pixel structure comprises a plurality of thin film transistors. In the pixel structure, the plural thin film transistors are connected by various connection layouts so as to solve the prior-art problem that the pixel structure can't functional normally since the single transistor contained in the pixel structure is damaged by alignment error caused by the deformation in the manufacturing process of the flexible substrate or the buckling of the flexible display while it is being used, and further to improve the reliability of the pixel structure disposed on the flexible substrate.
    Type: Application
    Filed: September 28, 2005
    Publication date: February 22, 2007
    Inventors: Yi-Hsun Huang, Chih-Ming Lai, Yung-Hui Yeh
  • Publication number: 20070032161
    Abstract: An emissive-reflective display and method thereof is proposed for different prior art display technologies. The self-emissive component and the reflective component of the present invention are processed individually, and a simply paste method (such as roll-to-roll pressing or adding rubber materials) is utilized to finish the emissive-reflective display. The method of the present invention can improve the overall process yield.
    Type: Application
    Filed: February 3, 2006
    Publication date: February 8, 2007
    Inventors: Chi-Chang Liao, Hsing-Lung Wang, Yung-Hui Yeh
  • Publication number: 20070032000
    Abstract: A vertical pixel structure for emi-flective display and a method thereof are provided. The vertical pixel structure has a substrate, a emitting pixel unit arranged on the substrate and a reflective pixel unit arranged on the emitting pixel unit. By using the vertical pixel structure the aperture of the display can be increased, and the power consumption can be reduced as well.
    Type: Application
    Filed: January 2, 2006
    Publication date: February 8, 2007
    Inventors: Yung-Hui Yeh, Yu-Wu Wang, Yu-Lung Liu, Chi-Chang Liao, Hsing-Lung Wang
  • Publication number: 20070030571
    Abstract: A vertical pixel structure for emi-flective display and a method thereof are provided. The vertical pixel structure has a substrate, a emitting pixel unit arranged on the substrate and a reflective pixel unit arranged on the emitting pixel unit. By using the vertical pixel structure the aperture of the display can be increased, and the power consumption can be reduced as well.
    Type: Application
    Filed: January 2, 2006
    Publication date: February 8, 2007
    Inventors: Yung-Hui Yeh, Yu-Wu Wang, Yu-Lung Liu, Chi-Chang Liao, Hsing-Lung Wang
  • Publication number: 20070019143
    Abstract: A pixel array with flexible circuit layout is disclosed, which comprises: a substrate, having a first surface; a plurality of scan lines; and a plurality of data lines; wherein the plural scan lines are disposed on the first surface while each has a profile defined by a non-linear first function, and the plural data lines are disposed on the first surface while each has a profile defined by a non-linear second function. When the pixel array is adapted for a flexible display and the display is being bended, the flexible circuit layout of the pixel array of the invention can effectively reduce the risk of the snapping of the conductive wires used in the pixel array so that the flexibility and reliability of the flexible display are enhanced.
    Type: Application
    Filed: August 31, 2005
    Publication date: January 25, 2007
    Inventors: Bo-Chu Chen, Huai-Yuan Tseng, Yung-Hui Yeh, Ching-Chieh Lin
  • Publication number: 20070001956
    Abstract: A pixel structure for a vertical emissive-reflective (emi-flective) display is provided. The pixel structure has a substrate, a self-light emitting pixel unit arranged on the substrate, and a reflective pixel unit arranged on the self-light emitting pixel unit. By using the vertical pixel structure, the aperture of the display can be increased, and the power consumption can also be decreased.
    Type: Application
    Filed: September 13, 2005
    Publication date: January 4, 2007
    Inventors: Yung-Hui Yeh, Yu-Wu Wang, Chih-Ming Lai, Chi-Chang Liao, Hsing-Lung Wang