Patents by Inventor Chia-Hua Yu

Chia-Hua Yu 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: 20150102991
    Abstract: An LCD and bidirectional shift register apparatuses thereof are provided. One of the bidirectional shift register apparatuses includes Nth shift registers. An ith shift register includes a pre-charge unit, a pull-up unit and a pull-down unit. When i is greater than or equal to 3 and less than or equal to N?2, the pre-charge unit receives outputs of an (i?2)th and an (i+2)th shift register. When i is equal to 1 or 2, the pre-charge unit receives a first start pulse signal and the output of the (i+2)th shift register. When i is equal to (N?1) or N, the pre-charge unit receives a second start pulse signal and the output of the (i?2)th shift register. The pre-charge unit outputs a pre-charge signal. The pull-up unit outputs a scan signal. The pull-down unit receives the pre-charge signal to control a level of the scan signal.
    Type: Application
    Filed: February 17, 2014
    Publication date: April 16, 2015
    Applicant: Hannstar Display Corporation
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Patent number: 8982303
    Abstract: A transflective type liquid crystal display comprises a first substrate with a reflective region and a transmission region. A gate region, an insulation layer and a semiconductor layer are sequentially formed on the first substrate. The semiconductor layer has a source region, a drain region and a channel region. A first dielectric layer is disposed on the semiconductor layer and has a through hole to expose a part of the drain region. A first common electrode is disposed on the first dielectric layer and the through hole to cover the exposed part of the drain region. A reflective electrode is disposed on the first dielectric layer located in the reflective region. A second dielectric layer is disposed on the first common electrode and the reflective electrode. A pixel electrode is disposed on the second dielectric layer and connected to the drain region via the through hole.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: March 17, 2015
    Assignee: HannStar Display Corporation
    Inventors: Chia-Hua Yu, Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
  • Patent number: 8970550
    Abstract: A touch panel that includes a first substrate, a touch sensing layer, a compensation pattern layer, a second substrate, and a first optical adhesive layer is provided. The touch sensing layer includes a plurality of electrode sets arranged in parallel, and each of the electrode sets includes a scan electrode and a plurality of sensing electrodes. An orthogonal projection of the touch sensing layer on the first substrate is not overlapped with an orthogonal projection of the compensation pattern layer on the first substrate. The compensation pattern layer and the touch sensing layer are located between the first substrate and the second substrate. The first optical adhesive layer is located between the first substrate and the second substrate. A touch display is also provided.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: March 3, 2015
    Assignee: HannStar Display Corporation
    Inventors: Chia-Hua Yu, Yu-Cheng Lin, Ping-Yuan Su, Kun-Hua Tsai, Hsing-Ying Lee
  • Publication number: 20150034943
    Abstract: The present invention discloses a thin film transistor array substrate comprising a plurality of thin film transistors, with each one thereof including a gate electrode, a gate insulation layer, an amorphous-oxide semiconductor layer and a pair of a source electrode and a drain electrode. The amorphous-oxide semiconductor layer comprises an amorphous-oxide semiconductor material having a-IGZO. The thin film transistor array substrate further comprises a first insulation layer and a second insulation layer disposed on the thin film transistors. Since the a-IGZO semiconductor layer and the thick insulation layer covered thereon are used in the present invention, a common electrode can overlap the scan lines or data lines to increase the aperture ratio of the pixel structure. Furthermore, the thick insulation layer can be fabricated through a coating process, so as to keep the a-IGZO semiconductor layer from damages during the fabrication processes.
    Type: Application
    Filed: March 23, 2014
    Publication date: February 5, 2015
    Applicant: HannStar Display Corp.
    Inventors: Chia-Hua Yu, Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
  • Patent number: 8947606
    Abstract: A liquid crystal lens is disclosed, comprising a plurality of lens units, wherein each lens unit comprises a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, an insulating layer disposed on the first substrate, and a first electrode and a first floating electrode disposed at opposite sides of the insulating layer, wherein the first electrode comprises a first portion neighboring a first side of the lens unit and a second portion neighboring a second side of the lens unit, and the first floating electrode comprises a first portion and a second portion, wherein the first portion of the first floating electrode is partially overlapped with the first portion of the first electrode, and the second portion of the first floating electrode is partially overlapped with the second portion of the first electrode.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: February 3, 2015
    Assignee: Hannstar Display Corp.
    Inventors: Feng Wei Kuo, Dong Xian Yu, I Fung Wang, Chun-Chin Tseng, Chia-Hua Yu
  • Publication number: 20150002456
    Abstract: A touch-sensing liquid crystal display is provided and includes a display panel and a backlight module. The display panel includes a transistor substrate, a liquid crystal layer and a common electrode. The liquid crystal layer is disposed on the transistor substrate. The common electrode is disposed on the liquid crystal layer. The transistor substrate includes data lines, scan lines, pixel units and a shield layer. The data lines are used to receive first signals. The scan lines are used to receive second signals. The pixel units include pixel electrodes and transistor switches, in which the transistor switches are electrically connected to the data lines, the scan lines and the pixel electrodes. The shield layer is disposed between the pixel electrodes and the transistor switches. The backlight module is disposed on the display panel, in which the liquid crystal layer is sandwiched between the shield layer and the backlight module.
    Type: Application
    Filed: May 16, 2014
    Publication date: January 1, 2015
    Applicant: HannStar Display Corporation
    Inventors: Chia-Hua YU, Sung-Chun LIN, Chung-Lin CHANG, Chien-Ting CHAN, Hsuan-Chen LIU
  • Patent number: 8907338
    Abstract: There is provided a semiconductor device including a first conductive layer, an insulating layer, a second conductive layer, a channel layer, a passivation layer and a third conductive layer. The insulating layer covers the first conductive layer. The second conductive layer is formed on the insulating layer and has an inner opening. The channel layer is formed on the inner opening of the second conductive layer to fully cover the inner opening. The passivation layer is formed upon the channel layer to cover the channel layer and has a contact hole inside the inner opening of the second conductive layer. The third conductive layer is formed in the contact hole.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: December 9, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Chia-Hua Yu, Ming-Chieh Chang, Jung-Fang Chang
  • Publication number: 20140333847
    Abstract: A touch panel that includes a first substrate, a touch sensing layer, a compensation pattern layer, a second substrate, and a first optical adhesive layer is provided. The touch sensing layer includes a plurality of electrode sets arranged in parallel, and each of the electrode sets includes a scan electrode and a plurality of sensing electrodes. An orthogonal projection of the touch sensing layer on the first substrate is not overlapped with an orthogonal projection of the compensation pattern layer on the first substrate. The compensation pattern layer and the touch sensing layer are located between the first substrate and the second substrate. The first optical adhesive layer is located between the first substrate and the second substrate. A touch display is also provided.
    Type: Application
    Filed: August 12, 2013
    Publication date: November 13, 2014
    Applicant: Hannstar Display Corporation
    Inventors: Chia-Hua Yu, Yu-Cheng Lin, Ping-Yuan Su, Kun-Hua Tsai, Hsing-Ying Lee
  • Publication number: 20140310511
    Abstract: A computer system and a control method thereof are described. The computer system includes a first memory, a second memory, and a control module. The first memory is configured to store a Basic Input Output System (BIOS) program. The second memory includes a first memory block and a second memory block. The control module, when a scan function is initiated, is configured to execute the BIOS program to generate a first restart program, wherein the control module is configured to store the first restart program into the first memory block and scan the second memory block, and stop using an abnormal cell in the second memory block.
    Type: Application
    Filed: February 20, 2014
    Publication date: October 16, 2014
    Applicant: Acer Incorporated
    Inventors: Wei Chiang, Chia-Hua Yu
  • Patent number: 8847902
    Abstract: A touch panel is disclosed. The touch panel includes a substrate, a touch sensing array, a first pad set, a second pad set, several first traces, and several second traces. The touch sensing array, the first pad set, the second pad set, the first traces, and the second traces are disposed on the substrate. The first pad set includes several first pads, and the second pad set includes several second pads. The touch sensing array locates between the first pad set and the second pad set, and the first pads and the second pads are in point symmetric arrangement with respective to the touch sensing array. The first traces are electrically connected between the first pads and the touch sensing array, and the second traces are electrically connected between the second pads and the touch sensing array.
    Type: Grant
    Filed: March 18, 2012
    Date of Patent: September 30, 2014
    Assignee: Hannstar Display Corporation
    Inventors: Huang-Chen Kao, Sung-Chun Lin, Hsuan-Chen Liu, Sweehan Jui-Hsien Yang, Chia-Hua Yu
  • Publication number: 20140285743
    Abstract: A liquid crystal display includes a first substrate, a second substrate, and a liquid crystal layer, wherein the first substrate is disposed below the second substrate and the liquid crystal layer is disposed between the first substrate and the second substrates. The liquid crystal display further includes at least one thin film transistor, a common electrode, a first insulating layer, and at least one pixel electrode disposed on the upper surface of the first substrate in order. A plurality of bumps are disposed on the lower surface of the second substrate. The thin film transistor includes a gate, a source, and a drain.
    Type: Application
    Filed: November 19, 2013
    Publication date: September 25, 2014
    Applicant: HannStar Display Corp.
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Chien-Chuan Ko, Hsien-Cheng Chang, Hsuan-Chen Liu
  • Publication number: 20140253424
    Abstract: A shift register, a bidirectional shift register apparatus and a liquid crystal display panel using the same are provided. The shift register includes a precharge unit, a pull up unit, and a pull down unit. The precharge unit receives outputs of a previous two-stage of shift register and a next two-stage of shift register both corresponding to the shift register to thereby generate a precharge signal. The pull up unit is coupled to the precharge unit, and receives the precharge signal and a first input clock signal to thereby output a scan signal. The pull down unit is coupled to the precharge unit and the pull up unit, and receives the precharge signal, the first input clock signal and a second input clock signal to control a voltage level of the scan signal, where the first input clock signal and the second input clock signal are inverted in phase.
    Type: Application
    Filed: July 15, 2013
    Publication date: September 11, 2014
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20140252381
    Abstract: An active device array substrate for saving material cost includes a substrate, scan lines, data lines, a thin film transistor, a color filter layer, a transparent conductive layer, an insulating layer and a pixel electrode. The color filter layer covers and contacts the scan lines, data lines and the thin film transistor. The transparent conductive layer is disposed on the color filter layer and electrically isolated from the scan lines, the data lines and the thin film transistor by the color filter layer. The insulating layer covers the transparent conductive layer. The pixel electrode is disposed on the insulating layer and connected to the thin film transistor.
    Type: Application
    Filed: August 23, 2013
    Publication date: September 11, 2014
    Applicant: HannStar Display Corporation
    Inventors: Chia-Hua YU, Sung-Chun LIN, Chung-Lin CHANG, Chien-Ting CHAN, Hsuan-Chen LIU
  • Publication number: 20140226099
    Abstract: A transflective type liquid crystal display comprises a first substrate with a reflective region and a transmission region. A gate region, an insulation layer and a semiconductor layer are sequentially formed on the first substrate. The semiconductor layer has a source region, a drain region and a channel region. A first dielectric layer is disposed on the semiconductor layer and has a through hole to expose a part of the drain region. A first common electrode is disposed on the first dielectric layer and the through hole to cover the exposed part of the drain region. A reflective electrode is disposed on the first dielectric layer located in the reflective region. A second dielectric layer is disposed on the first common electrode and the reflective electrode. A pixel electrode is disposed on the second dielectric layer and connected to the drain region via the through hole.
    Type: Application
    Filed: July 8, 2013
    Publication date: August 14, 2014
    Inventors: Chia-Hua YU, Hsien-Tang HU, Ko-Ruey JEN, Jui-Chi LAI
  • Patent number: 8796688
    Abstract: A pixel structure, a method of manufacturing the pixel structure, and an active device matrix substrate are provided. The pixel structure includes a first patterned metal layer having a common line and a gate; a first insulation layer; a semiconductor pattern; a second patterned metal layer having a source and a drain both electrically connected to the semiconductor pattern; a second insulation layer having a contact opening exposing the drain; and an electrode layer having a common electrode, and a pixel electrode connected to the drain through the contact opening. The common line, the first insulation layer, and the pixel electrode constitute a first storage capacitor. The common line, the drain, and the common electrode constitute a sandwich structure. The common line, the first insulation layer, and the drain constitute a second storage capacitor. The drain, the second insulation layer, and the common electrode constitute a third storage capacitor.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 5, 2014
    Assignee: Hannstar Display Corporation
    Inventors: Feng-Weei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
  • Publication number: 20140198277
    Abstract: A liquid crystal display includes a bottom substrate, at least one thin film transistor, an overcoat layer, a bottom common electrode, at least one pixel electrode and a liquid crystal layer. The thin film transistor is disposed on the bottom substrate, including a gate electrode, a source electrode and a drain electrode. The overcoat layer is disposed above the thin film transistor. The bottom common electrode is disposed on the overcoat layer. The pixel electrode is disposed above the bottom common electrode and electrically connected to the drain electrode. The liquid crystal layer is disposed above the pixel electrode.
    Type: Application
    Filed: April 17, 2013
    Publication date: July 17, 2014
    Applicant: HannStar Display Corp.
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Chung-Lin Chang, Chien-Ting Chan, Hsuan-Chen Liu, Chun-Chin Tseng
  • Publication number: 20140198060
    Abstract: A touch display apparatus including a display panel, a touch panel, a transparent conductive layer, and a conductive adhesive layer is provided. The touch panel is disposed on the display panel, and includes a cover lens, a touch device, and a shielding conductive ring. The touch device is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring is disposed on the cover lens and located between the display panel and the cover lens. The shielding conductive ring surrounds the touch device. The transparent conductive layer is disposed on the display panel and located between the display panel and the touch panel. The conductive adhesive layer is disposed between the display panel and the touch panel. The shielding conductive ring is electrically connected with the transparent conductive layer through the conductive adhesive layer.
    Type: Application
    Filed: February 26, 2013
    Publication date: July 17, 2014
    Applicant: HANNSTAR DISPLAY CORPORATION
    Inventors: Hsu-Ho Wu, Chia-Hua Yu, Hsuan-Chen Liu, Yi-Chung Juan, Chang-Ching Yeh
  • Publication number: 20140160387
    Abstract: A liquid crystal display device is provided. The device includes a liquid crystal display panel, a grey lever inversion compensation film and a light enhancement module. The liquid crystal display panel has a relatively high aperture ratio, a display side and a rear side. The grey level inversion compensation film is disposed on the liquid crystal display panel at the display side. The light enhancement module is disposed on the liquid crystal display panel at the rear side.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 12, 2014
    Applicant: HannStar Display Corporation
    Inventors: Hsu-Ho Wu, Chia Hua Yu, Feng-Wei Kuo, Shih-Hsuan Liu
  • Publication number: 20140160388
    Abstract: A liquid crystal display device is provided. The device includes a liquid crystal display panel, a grey lever inversion compensation film and a light enhancement module. The liquid crystal display panel has a relatively high aperture ratio, a display side and a rear side. The grey level inversion compensation film is disposed on the liquid crystal display panel at the display side. The light enhancement module is disposed on the liquid crystal display panel at the rear side.
    Type: Application
    Filed: May 31, 2013
    Publication date: June 12, 2014
    Applicant: HannStar Display Corporation
    Inventors: Hsu-Ho Wu, Chia-Hua Yu, Feng-Wei Kuo, Shih-Hsuan Liu
  • Publication number: 20140159086
    Abstract: An active device array substrate and a display panel are provided. The active device array substrate includes a substrate, a first conductor layer, a gate dielectric layer, a second conductor layer, an overcoat layer, a transparent electrode, a capacitive layer and pixel electrodes. The first conductor layer includes gate lines and light-shielding patterns. The gate dielectric layer covers the first conductor layer. The second conductor layer includes data lines and drain electrodes. Each of the data lines correspondingly overlaps one of the light-shielding patterns. The transparent electrode covers the overcoat layer. The pixel electrode is disposed on the capacitive layer and covers a portion of the shielding pattern. Each of the light-shielding patterns has a width greater than that of the overlapping data line. The gap between the edge of the light-shielding pattern and that of the overlapping data line is not greater than 2.5 microns.
    Type: Application
    Filed: April 24, 2013
    Publication date: June 12, 2014
    Applicant: HannStar Display Corporation
    Inventors: Chia-Hua YU, Sung-Chun LIN, Chung-Lin CHANG, Chien-Ting CHAN, Hsuan-Chen LIU