Patents by Inventor Hsuan-Chen Liu

Hsuan-Chen Liu 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: 9818772
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a first substrate, a second substrate and a light curable sealant. The first substrate has a displaying area and a non-displaying area, in which the displaying area includes a pixel array, and the non-displaying area includes a driving circuit. The driving circuit includes at least a capacitor which is made of transparent conductive material. The second substrate has an opaque area. The light curable sealant is located between the first substrate and the second substrate. When viewing from a normal vector of the first substrate or the second substrate, the light curable sealant, the capacitor and the opaque area are at least partially overlapped with each other.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: November 14, 2017
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Tean-Sen Jen, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20170256573
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a first substrate, a second substrate and a light curable sealant. The first substrate has a displaying area and a non-displaying area, in which the displaying area includes a pixel array, and the non-displaying area includes a driving circuit. The driving circuit includes at least a capacitor which is made of transparent conductive material. The second substrate has an opaque area. The light curable sealant is located between the first substrate and the second substrate. When viewing from a normal vector of the first substrate or the second substrate, the light curable sealant, the capacitor and the opaque area are at least partially overlapped with each other.
    Type: Application
    Filed: May 24, 2017
    Publication date: September 7, 2017
    Inventors: Tean-Sen JEN, Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Publication number: 20170249916
    Abstract: The present invention provides a driving circuit and a display device. The driving circuit is disposed on a substrate of the display device. The driving circuit includes thin film transistors (TFTs), a capacitor and clock signal lines. Each of the TFTs includes a gate, a source and a drain. The capacitor is coupled to at least one of the TFTs, and includes a first and a second electrode. The material of the first and the second electrode includes a transparent conductive material. The clock signal lines extend along a first direction. The source and the drain of at least two of the TFTs respectively extend along a second direction. The angle between the first direction and the second direction is between 80 degrees and 100 degrees. At least a partial structure of the capacitor is located in a gap between adjacent ones of the TFTs.
    Type: Application
    Filed: August 15, 2016
    Publication date: August 31, 2017
    Inventors: Tean-Sen JEN, Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Patent number: 9704895
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a first substrate, a second substrate and a light curable sealant. The first substrate has a displaying area and a non-displaying area, in which the displaying area includes a pixel array, and the non-displaying area includes a driving circuit. The driving circuit includes at least a capacitor which is made of transparent conductive material. The second substrate has an opaque area. The light curable sealant is located between the first substrate and the second substrate. When viewing from a normal vector of the first substrate or the second substrate, the light curable sealant, the capacitor and the opaque area are at least partially overlapped with each other.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: July 11, 2017
    Assignees: HannStar Display (Nanjing) Corporation, HannStar Display Corporation
    Inventors: Tean-Sen Jen, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20170139292
    Abstract: A liquid crystal display device includes a plurality of pixel units, an electrode line surrounding the pixel units, at least one gate driver coupled with the pixel units via a plurality of gate lines, and at least one electrostatic discharge protection circuit coupled with the at least one gate driver and the electrode line.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 18, 2017
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20170076819
    Abstract: The present invention relates to a display panel and a gate driving circuit of the display panel. The gate driving circuit is disposed on a first substrate and includes a first transistor unit. The first transistor unit is disposed on the first substrate and includes a first gate block, a second gate block, and a first connection portion. The first connection portion is electrically connected to the first gate block and the second gate block. At least a gap is formed between the first gate block and the second gate block. The display panel includes the first substrate, the gate driving circuit, a second substrate, and a sealant. The second substrate is disposed corresponding to the first substrate. The sealant is formed between the first substrate and the second substrate.
    Type: Application
    Filed: August 15, 2016
    Publication date: March 16, 2017
    Inventors: Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Publication number: 20170061911
    Abstract: A shift register includes a primary circuit and a secondary circuit including an inverting circuit and a pull-down circuit. The pull-down circuit includes a first transistor. The primary circuit has an output terminal, a first and a second input terminals, and is electrically connected to a first common terminal. The secondary circuit is electrically connected to the first common terminal. The pull-down circuit is electrically connected to the inverting circuit. The first transistor has a first top gate, a first bottom gate, a first first electrode and a first second electrode, wherein the first second electrode is configured to receive a first voltage level, the first top gate is configured to receive a second voltage level, and the second voltage level is higher than the first voltage level.
    Type: Application
    Filed: August 22, 2016
    Publication date: March 2, 2017
    Inventors: Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20170018244
    Abstract: A shift register and a display device are provided. The shift register includes a pre-charge unit, a pull-up unit, a first pull-down unit and a second pull-down unit. The pre-charge unit receives first and second input signals, and outputs a pre-charge signal via a first node. The pull-up unit receives a pre-charge signal and a clock signal, and outputs a scanning signal via a second node. The first pull-down signal receives the pre-charge signal, first and second pull-down control signals, and controls whether to pull-down the scanning signal to a reference voltage level. The second pull-down signal receives the pre-charge signal and first and second pull-down control signals, and controls whether to keep the scanning signal at the reference voltage level. The period of the first second pull-down control signal and the period of the second pull-down control signal are in a range from 12 frames to 180 frames.
    Type: Application
    Filed: June 30, 2016
    Publication date: January 19, 2017
    Inventors: Tean-Sen JEN, Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Patent number: 9508449
    Abstract: A liquid crystal display and its bidirectional shift register device including N stages of shift registers are provided. An ith stage shift register of the shift registers includes a pre-charge unit, a pull-up unit and a pull-down unit. The pre-charge unit outputs a pre-charge signal according to outputs of (i?2)th and (i+2)th stage shift registers. The pull-up unit outputs a scan signal. A first discharge unit of the pull-down unit determines whether to pull the scan signal down to a reference voltage potential according to the pre-charge signal and a first voltage-dividing signal associated with a first level signal. A second discharge unit of the pull-down unit determines whether to pull the scan signal down to the reference voltage potential according to the pre-charge signal and a second voltage-dividing signal associated with a second level signal.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: November 29, 2016
    Assignee: Hannstar Display Corporation
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Publication number: 20160335949
    Abstract: The invention discloses a gate driving circuit and a display device. The gate driving circuit includes first to eighth dock signal lines and first to Nth stage first shift registers, where N is an integer greater than or equal to 9. The first to eighth clock signal lines are configured to provide first to eighth clock signals, respectively. The ith stage first shift register is coupled to one of the first to eighth clock signal lines and receives one of the first to eighth clock signals, a first input signal and a second input signal and outputs an ith stage first output signal, where i is any integer from 1 to N.
    Type: Application
    Filed: April 14, 2016
    Publication date: November 17, 2016
    Inventors: Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Publication number: 20160293645
    Abstract: A display device and a method for manufacturing the same are provided. The display device includes a first substrate, a second substrate and a light curable sealant. The first substrate has a displaying area and a non-displaying area, in which the displaying area includes a pixel array, and the non-displaying area includes a driving circuit. The driving circuit includes at least a capacitor which is made of transparent conductive material. The second substrate has an opaque area. The light curable sealant is located between the first substrate and the second substrate. When viewing from a normal vector of the first substrate or the second substrate, the light curable sealant, the capacitor and the opaque area are at least partially overlapped with each other.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 6, 2016
    Inventors: Tean-Sen JEN, Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Publication number: 20160275847
    Abstract: The present invention discloses a shift register device and a display apparatus. The shift register device includes N stage shift registers. Each shift register includes a control circuit, an output stage circuit and a bias circuit. In the i-th shift register, the control circuit receives a first control signal, a first output signal and a second output signal, and outputs a second control via a first node. The output stage circuit receives a first clock signal, a second clock signal and the second control signal, and outputs an i-th output signal via a second node. The bias circuit includes a capacitor and a transistor. A first terminal of the capacitor receives the first clock signal. The drain of the transistor is coupled to a second terminal of the capacitor, the gate of the transistor is coupled to the second node, and the source of the transistor receives a reference voltage.
    Type: Application
    Filed: March 16, 2016
    Publication date: September 22, 2016
    Inventors: Sung-Chun LIN, Hsuan-Chen LIU, Chien-Ting CHAN
  • Publication number: 20160240265
    Abstract: A shift register circuit is disclosed. The shift register circuit includes a first gate driving module, a second gate driving module, a first discharging module, and a second discharging module. The first gate driving module has a first node and a first output terminal. The second gate driving module has a second node and a second output terminal. The first discharging module is coupled to the first node, the second node, and the first output terminal respectively. The second discharging module is coupled to the second node, the first node, and the second output terminal respectively. Both the first discharging module and the second discharging module include ten transistors respectively.
    Type: Application
    Filed: February 2, 2016
    Publication date: August 18, 2016
    Inventors: CHIA-HUA YU, SUNG-CHUN LIN, HSUAN-CHEN LIU, CHIEN-TING CHAN
  • Patent number: 9286846
    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: Grant
    Filed: February 17, 2014
    Date of Patent: March 15, 2016
    Assignee: HannStar Display Corporation
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • Patent number: 9141207
    Abstract: A touch panel and a touch display device are disclosed, in which the touch panel includes a substrate, a touch component layer and a shielding-electrode film. The substrate has a surface. The touch component layer is disposed on the surface of the substrate and includes a metallic layer, an electrode layer, a protection layer and a hard coat layer. The protection layer is disposed between the metallic layer and the electrode layer. The hard coat layer at least covers the metallic layer and the electrode layer. The shielding-electrode film is disposed on the hard coat layer of the touch component layer, wherein the touch component layer is located between the substrate and the shielding-electrode film, and a resistance of the shielding-electrode film is greater than a resistance of the electrode layer.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: September 22, 2015
    Assignee: HannStar Display Corporation
    Inventors: Hsu-Ho Wu, Sung-Chun Lin, Hsuan-Chen Liu, Yi-Chung Juan
  • Patent number: 9029882
    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: Grant
    Filed: August 23, 2013
    Date of Patent: May 12, 2015
    Assignee: HannStar Display Corporation
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Chung-Lin Chang, Chien-Ting Chan, Hsuan-Chen Liu
  • Publication number: 20150109353
    Abstract: A liquid crystal display and its bidirectional shift register device including N stages of shift registers are provided. An ith stage shift register of the shift registers includes a pre-charge unit, a pull-up unit and a pull-down unit. The pre-charge unit outputs a pre-charge signal according to outputs of (i?2)th and (i+2)th stage shift registers. The pull-up unit outputs a scan signal. A first discharge unit of the pull-down unit determines whether to pull the scan signal down to a reference voltage potential according to the pre-charge signal and a first voltage-dividing signal associated with a first level signal. A second discharge unit of the pull-down unit determines whether to pull the scan signal down to the reference voltage potential according to the pre-charge signal and a second voltage-dividing signal associated with a second level signal.
    Type: Application
    Filed: January 10, 2014
    Publication date: April 23, 2015
    Applicant: Hannstar Display Corporation
    Inventors: Chia-Hua Yu, Sung-Chun Lin, Hsuan-Chen Liu, Chien-Ting Chan
  • 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
  • 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: 8890157
    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: Grant
    Filed: March 15, 2013
    Date of Patent: November 18, 2014
    Assignee: HannStar Display Corp.
    Inventors: Hsuan-Chen Liu, Hsien-Cheng Chang, Da-Ching Tang, Chien-Hao Wu, Ching-Chao Wang, Jung-Chen Lin