Patents Assigned to Hannstar Display Corp.
  • Patent number: 8885108
    Abstract: A TV control device, for an external TV device includes a storage unit storing a user identification code and user setting data corresponding to the user identification code, and a wireless communication unit transmitting a control signal to the external TV device according to the user identification code and the user setting data, wherein the external TV device determines a TV setting of the external TV device according to the user identification code and the user setting data when the external TV device receives the control signal.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: November 11, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Yi-Ming Pai, Chin-Sheng Lee, Yu-Tsung Hsu
  • Patent number: 8854566
    Abstract: The present invention provides a method for forming a pixel element. The method comprises: forming a first patterned metal layer within the pixel area; forming an insulation layer on the first patterned metal layer; forming a semiconductor layer on the insulation layer; patterning the semiconductor layer to form bend seed generation portion; and forming a second metal layer to connect the semiconductor layer.
    Type: Grant
    Filed: January 19, 2012
    Date of Patent: October 7, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Tsu-Chiang Chang, Po-Yang Chen, Chao-Hui Wu, Po-Sheng Shih
  • 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
  • Patent number: 8841781
    Abstract: A chip having a bump layout suitable for the chip on glass technology and a driving IC includes a plurality of first bumps and a plurality of second bumps for electrically connecting to a glass substrate of a displayer. The first and second bumps are disposed on a surface of the chip and near two opposite long sides of the chip respectively. The ratio of the total contacting area of the first bumps to that of the second bumps is between 0.8 and 1.2. Thus, a pressure applied on the chip and the glass substrate of the displayer for connection can be uniformly exerted all over the chip, and the stability of the connection is therefore improved.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: September 23, 2014
    Assignee: HannStar Display Corp.
    Inventors: Pao-Yun Tang, Wei-Hao Sun
  • Patent number: 8823695
    Abstract: The present invention provides a barrier device including an upper substrate, a lower substrate and a liquid crystal layer sandwiched between the upper substrate and the lower substrate. The upper substrate includes a first substrate and a first electrode, a first insulation layer and a plurality of first stripe electrodes sequentially formed on the first substrate. The lower substrate includes a second substrate and a second electrode, a second insulation layer and a plurality of second stripe electrodes sequentially formed on the second substrate. The present invention further provides a 3D display and a driving method for a barrier device.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: September 2, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Ra Bin Li, Heng Cheng Tseng, Mu Kai Kang, Feng Weei Kuo
  • Publication number: 20140232964
    Abstract: An integrated gate driver circuit includes a control circuit, a plurality of drive stages and a plurality of discharge transistors. The control circuit is configured to output a plurality of clock signals within a frame period and to output a discharge enabling signal within a blanking period of the frame period. Each of the drive stages receives the clock signals and includes an output terminal configured to output a gate driving signal. Each of the discharge transistors is coupled to the output terminal of one of the drive stages and discharges the output terminal according to the discharge enabling signal thereby eliminating the voltage fluctuation of the output terminal in the blanking period.
    Type: Application
    Filed: February 27, 2014
    Publication date: August 21, 2014
    Applicant: HANNSTAR DISPLAY CORP.
    Inventors: Chun-Chin TSENG, Ya-Wen LEE, Kuo-Wen PAN, Chien-Ting CHAN
  • Patent number: 8804076
    Abstract: The present invention provides a liquid crystal display device including a liquid crystal panel. The liquid crystal panel has a plurality of pixel regions, and the liquid crystal panel includes a first substrate, a second substrate, a liquid crystal layer, and a light-absorbing layer. The second substrate and the first substrate are disposed opposite to each other, and the liquid crystal layer is disposed between the first substrate and the second substrate. The light-absorbing layer is disposed between the first substrate and the second substrate in the pixel regions, and the light-absorbing layer is configured to absorb a light having a wavelength within a range between 380 nm and 560 nm.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: August 12, 2014
    Assignee: HannStar Display Corp.
    Inventors: Chih-Pin Lin, Chao-Hui Wu
  • Patent number: 8791928
    Abstract: The present invention provides a pixel driving method for a liquid crystal display. The pixel includes a storage capacitor and a liquid crystal capacitor. The pixel driving method includes steps of: providing a common voltage signal to a liquid crystal capacitor, and providing a bias signal to a storage capacitor wherein the bias signal is synchronized with the common voltage signal and the amplitude of the bias signal is larger than that of the common voltage signal.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: July 29, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Po-Yang Chen, Po-Sheng Shih, Tsu-Chiang Chang
  • Patent number: 8791917
    Abstract: A touch display device and a formation method thereof are provided. The touch display device includes a touch panel disposed on a first surface of a substrate of a display panel. A color filter layer is disposed on a second surface of the substrate. The touch panel includes a plurality of first and second conductive patterns arranged by two directions that are perpendicular to each other. A patterned isolation layer, having a first portion and a second portion, is formed over the first surface of the substrate, wherein the first portion is disposed at the intersection of the first and the second conductive patterns, and the second portion is disposed between the first and the second conductive patterns. The first portion has a height that is lower than a height of the second portion.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 29, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Yi-Chung Juan, Kuo-Sheng Lee, Chang-Ching Yeh, Chien-Ting Chan, Sung-Chun Lin
  • Publication number: 20140198099
    Abstract: A display-mode switching device includes a substrate, a plurality of first electrode stripes, a plurality of second electrode stripes, a plurality of third electrode stripes, a fourth electrode stripes, and a common electrode covering a surface of the substrate. The first electrode stripes, the second electrode stripes, the third electrode stripes and the fourth electrode stripes are disposed on the insulating layer, and each first electrode stripe, each third electrode stripe, each second electrode stripe and each fourth electrode stripe are sequentially arranged along a direction.
    Type: Application
    Filed: April 10, 2013
    Publication date: July 17, 2014
    Applicant: HannStar Display Corp.
    Inventors: Heng-Cheng Tseng, Chih-Hsuan Lee
  • Publication number: 20140197413
    Abstract: The present invention provides a pixel structure including a substrate, a thin-film transistor disposed on the substrate, a first insulating layer covering the thin-film transistor and the substrate, a common electrode, a connecting electrode, a second insulating layer, and a pixel electrode. The thin-film transistor includes a drain electrode. The first insulating layer has a first opening exposing the drain electrode. The common electrode and the connecting electrode are disposed on the first insulating layer. The connecting electrode extends into the first opening to be electrically connected to the drain electrode. The connecting electrode is electrically insulated from the common electrode. The second insulating layer covers the first insulating layer, the common electrode, the connecting electrode, and has a second opening exposing the connecting electrode. The pixel electrode is disposed on the second insulating layer and electrically connected to the connecting electrode through the second opening.
    Type: Application
    Filed: March 15, 2013
    Publication date: July 17, 2014
    Applicant: HANNSTAR DISPLAY CORP.
    Inventors: Hsuan-Chen Liu, Hsien-Cheng Chang, Da-Ching Tang, Chien-Hao Wu, Ching-Chao Wang, Jung-Chen Lin
  • 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
  • Patent number: 8766908
    Abstract: A touch panel is provided. The touch panel having a pixel area and a sensing area includes a first substrate and an opposite second substrate. A press sensing spacer is disposed on the sensing area of the first substrate. A press sensing stage is disposed on the sensing area of the second substrate, corresponding to the press sensing spacer. An alignment layer is disposed over the second substrate, covering the press sensing stage and the pixel area of the second substrate. In an embodiment, the height of the press sensing stage is greater than the height from the surface of the second substrate at the pixel area to the bottom of the alignment layer by at least 0.05 ?m.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: July 1, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Hsuan-Chen Liu, Yi-Chung Juan, Sung-Chun Lin, Wei-Chi Lin
  • Publication number: 20140168583
    Abstract: A pixel structure of a liquid crystal display panel includes a first substrate; a color filter layer formed on the first substrate, the color filter layer comprising a plurality of filtering areas for filtering light, and a plurality of blocking areas for blocking light; a main spacer formed on one of the blocking areas; a sub spacer formed on another one of the blocking areas; a second substrate; a thin film transistor formed on the second substrate; an insulating layer formed above the thin film transistor and the second substrate; a liquid crystal layer formed between the first substrate and the second substrate; wherein a distance from an upper surface of the insulating layer near the main spacer to the second substrate is greater than a distance from an upper surface of the insulating layer near the sub spacer to the second substrate.
    Type: Application
    Filed: October 21, 2013
    Publication date: June 19, 2014
    Applicant: HannStar Display Corp.
    Inventors: Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
  • Patent number: 8723776
    Abstract: A gate driving circuit receives a plurality of clock signals in a sequence and includes a plurality of cascaded drive units sequentially outputting an output signal, wherein a first-stage drive unit of the gate driving circuit receives a scan start signal or a scan end signal while a last-stage drive unit thereof receives a scan end signal or a scan start signal; wherein a driving direction of the gate driving circuit is reversed by reversing the sequence of the clock signals and exchanging the scan start signal and the scan end signal. The present invention further provides a driving method of a gate driving circuit.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: May 13, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Hsien Cheng Chang, Yan Jou Chen
  • Publication number: 20140111470
    Abstract: The present invention provides a three-dimensional touch display panel including a display panel and an integrated panel. The integrated panel is disposed on the display panel, and the integrated panel includes a first transparent substrate, a first patterned transparent conductive layer disposed on the first transparent substrate, a second transparent substrate disposed opposite to the first transparent substrate, a second patterned transparent conductive layer disposed between the first transparent substrate and the second transparent substrate, a first plate-shaped transparent conductive layer disposed on the second transparent substrate, and a liquid crystal layer disposed between the first patterned transparent conductive layer and the first transparent conductive layer. The first patterned transparent conductive layer includes a plurality of first electrode stripes sequentially arranged along a first direction.
    Type: Application
    Filed: July 26, 2013
    Publication date: April 24, 2014
    Applicant: HannStar Display Corp.
    Inventors: Hsu-Ho Wu, Chia-Hua Yu, I-Fang Wang, Kun-Cheng Lee, Feng-Wei Kuo, Heng-Cheng Tseng, Mu-Kai Kang, Guang-Shiung Chao
  • Patent number: 8704800
    Abstract: A photo element includes a capacitor, a switch thin film transistor (TFT), a charge thin film transistor, and a photo thin film transistor. A voltage is charged to the capacitor through the charge TFT, and the output voltage of the capacitor is read through the readout line. The photo-induced current will affect the output voltage of the capacitor; therefore it is employed to determine whether the photo element is touched. Later, a reverse-biased voltage is applied to the photo TFT, such that the threshold voltage and sensitivity of the photo TFT can be maintained.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: April 22, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Hung-Chang Chang, Yi-Chung Juan, Chao-Hui Wu
  • Patent number: 8698148
    Abstract: A display device and a fabrication method thereof are provided. The display device includes a first metal layer disposed on a display area and a peripheral area. An insulating layer covers the first metal layer. A patterned semiconductor layer is disposed on the insulating layer at the display area. A second metal layer is disposed on the patterned semiconductor layer and the insulating layer at the peripheral area. A transparent conductive layer directly covers the second metal layer. A protective layer completely covers the second metal layer, the patterned semiconductor layer and the transparent conductive layer. The protective layer includes a first portion, a second portion and a through hole, wherein the first portion has a height which is higher than a height of the second portion.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: April 15, 2014
    Assignee: Hannstar Display Corp.
    Inventors: Rong-Bing Wu, Chien-Hao Wu, Po-Hsiao Chen
  • Publication number: 20140098417
    Abstract: A display method of a two-dimensional and naked eye type stereoscopic switchable display device is disclosed. The two-dimensional and naked eye type stereoscopic switchable display device includes a two-dimensional and naked eye type stereoscopic switchable display module, at least one detection device and an indicator device. The two-dimensional and naked eye type stereoscopic switchable display module provides a plurality of stereoscopic image regions in a naked eye type stereoscopic display mode. Then, detect a viewer's position with the detection device. And, determine whether or not the viewer's position is in the stereoscopic image regions with the two-dimensional and naked eye type stereoscopic switchable display device. When the viewer locates in the stereoscopic image regions, the indicator device emits a first color light. When the viewer locates outside of the stereoscopic image regions, the indicator device emits a second color light.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 10, 2014
    Applicant: HANNSTAR DISPLAY CORP.
    Inventor: Chih-Hsuan Lee
  • Publication number: 20140078270
    Abstract: A local stereo image display system controls an image output in a display area which includes a planar image frame and a stereo image frame. The planar image frame has a planar image region. The stereo image frame is disposed between two adjacent planar image frames and has a stereo image region. The planar image frame and the stereo image frame are outputted orderly with a display frequency. When the planar image frame is outputted, only the planar image region has image content, and when the stereo image frame is outputted, only the stereo image region has image content. An optical grating control signal is outputted according to the sequence of the planar image frame and the stereo image frame and is synchronized to the display frequency.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 20, 2014
    Applicant: HannStar Display Corp.
    Inventors: Wen-Zhe LIN, Chih-Husan LEE, Chun-Chin TSENG