Patents Assigned to Shenzhen China Star Optoelectronics Technology
  • Patent number: 10650743
    Abstract: Disclosed is a method for driving a pixel circuit. The method includes steps of obtaining an actual threshold voltage and an actual current-to-voltage conversion factor of a driving thin film transistor as well as actual luminous efficiency of an organic light emitting diode in sequence; and calculating a compensation data signal inputted to a source of a switching thin film transistor based on the obtained actual threshold voltage and actual current-to-voltage conversion factor of the driving thin film transistor and the obtained actual luminous efficiency of the organic light emitting diode.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 12, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yuchao Zeng, Pengfei Liang
  • Patent number: 10647091
    Abstract: The present invention discloses a planar glass sealing structure and a manufacturing method thereof, the planar glass sealing structure comprises, in a top-down order: a first glass substrate, an insulating layer, a metal sealing frame and a second glass substrate. The insulating layer is formed as a frame shape, and disposed on a peripheral margin of the first glass substrate; the metal sealing frame is formed by heating to melt a metal solder layer between the first and second glass substrate, and it can keep a fixed gap between the first and second glass substrate, so that an inner space thereof is kept in an excellent sealed condition. The present invention can ensure the sealing structure of two correspondingly assembled glass substrates, so that the inner space thereof is insulated from moisture and oxygen, so as to increase the performance and quality of the device.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: May 12, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yawei Liu, Tai-pi Wu, Chih-Che Liu
  • Publication number: 20200142214
    Abstract: Disclosed are a system and a method for driving a naked-eye 3D liquid crystal prism. The system includes a driving voltage determination module used to determine a corresponding driving voltage for each driving electrode in a display panel according to human eye space-position information; and a liquid crystal prism driving module used to generate a driving signal for driving a corresponding driving electrode according to the driving voltage, so as to adjust a shape of the liquid crystal prism.
    Type: Application
    Filed: August 11, 2017
    Publication date: May 7, 2020
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Limin WANG, Tai Jiun HWANG
  • Patent number: 10644161
    Abstract: Disclosed are an LTPS-based CMOS component and a method for manufacturing the same. The CMOS component includes an NMOS type LTPS. PN junctions are provided in an NMOS type LTPS channel to reduce the movement speed of electrons in the channel, so that hot electron effects can be avoided. The LTPS-based CMOS component can reduce the movement speed of electrons and avoid hot electron effects.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Longqiang Shi
  • Patent number: 10644159
    Abstract: Disclosed is an array substrate, a method for manufacturing the array substrate, and a display device. The array substrate includes: a plurality of pixel units arranged in an array, each pixel unit being provided with one thin film transistor including an active layer and a polymer film on array. The polymer film on array is formed with a first via hole, and the active layer is conductive in a region thereof corresponding to the first via hole, such that a pixel electrode located on the polymer film on array is electrically connected to the source through the first via hole.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Longqiang Shi
  • Patent number: 10643557
    Abstract: A driving device and a liquid crystal display device are disclosed. In the driving device, a charging efficiency difference between a positive polarity voltage and a negative polarity voltage on a pixel can be compensated through increasing a duration of a gate driving signal, shortening a time period during which the positive polarity voltage is provided to a source line, and prolonging a time period during which the negative polarity voltage is provided to the source line. In this manner, the technical problem of non-uniform brightness of an image displayed in a traditional liquid crystal display panel and unsatisfactory display effect thereof can be solved.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: May 5, 2020
    Assignees: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Qingcheng Zuo
  • Patent number: 10644237
    Abstract: Disclosed are an array substrate of an OLED display device and a method for manufacturing the same. Thin-film transistors having different functions can have different electrical properties. The array substrate includes a base substrate, a semiconductor layer, a first insulating layer, a first metal layer, a second insulating layer, a second metal layer, and a third insulating layer which are arranged sequentially from bottom to top. A plurality of driving units are formed on the array substrate, and each of the driving units comprises a first thin-film transistor and a second thin-film transistor.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: May 5, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Longqiang Shi
  • Patent number: 10636380
    Abstract: Provided are a pixel driving circuit, a pixel driving method and a liquid crystal display device. Each pixel unit of the pixel driving circuit comprises a first sub pixel and a second sub pixel. A first sub pixel and a second sub pixel in a column of pixel units are respectively connected to one data line and one auxiliary line, and meanwhile, control units receiving the first and second control signals are arranged. Each control unit is coupled to an auxiliary line and a data line connected to a column of pixel units. The control unit is controlled by the first control signal and the second control signal to disconnect the data line from the auxiliary line and to connect the auxiliary line to the common electrode line, or to connect the data line to the auxiliary line and to disconnect the auxiliary line from the common electrode line.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 28, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiangyang Xu
  • Patent number: 10634958
    Abstract: Provided is a manufacturing method of a black photo spacer array substrate. In a manufacturing method of a black photo spacer array substrate, a double layer color resist structure formed with a first color resist layer and a second color resist layer is used to pad a main pad part and a sub pad part of a main photo spacer and a sub photo spacer. Then, a thickness of the main photo spacer and a thickness of the sub photo spacer are decreased to reduce the usage amount of black photo spacer material of forming the main photo spacer and the sub photo spacer to reduce the production cost. A height difference of the main photo spacer and the sub photo spacer can be achieved by decreasing a thickness of the first color resist layer under the sub pad part with a half exposure process.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: April 28, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhuming Deng
  • Patent number: 10627656
    Abstract: The present disclosure provides a method for manufacturing a liquid crystal display (LCD) panel, including cleaning the first substrate by a hydrophobic surface cleaning material and cleaning the second substrate by a hydrophilic surface cleaning material; heating the first substrate and the second substrate at a high temperature; bonding the first substrate with the second substrate to from a liquid crystal cell; and irradiating the liquid crystal cell with UV light to form a first thin film on the surface of the first substrate and to form a second thin film on the surface of the second substrate.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Song Lan, Hsiaohsien Chen
  • Patent number: 10629145
    Abstract: An array substrate for lowering switch frequency of drive polarity in data lines is described. The source driver charges a first sub-pixel group having the first polarity on pixel regions wherein the first sub-pixel group comprises a plurality of sub-pixels with the positive polarity disposed in the interlaced positions between data line and the scan lines. The source driver charges a second sub-pixel group having the second polarity on the pixel regions wherein the second sub-pixel group comprises a plurality of sub-pixels with the negative polarity disposed in the interlaced positions between data line and the scan lines. The first sub-pixel group is greater than each pixel region and the second sub-pixel group is greater than each pixel region so that either the switch frequency for driving the first sub-pixel group or the second sub-pixel group is lower than that of the two sub-pixels in the pixel region.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: April 21, 2020
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Peng Du
  • Patent number: 10629745
    Abstract: The present invention provides a manufacture method and a structure of an oxide thin film transistor. The manufacture method of the structure of the oxide thin film transistor comprises providing a carrier; forming an oxide semiconducting layer (4); forming an etching stopper layer (5); forming two vias (51, 53) in the etching stopper layer (5) to expose the oxide semiconducting layer (4); removing a skin layer of the oxide semiconducting layer (4) in the two vias (51, 53) to form two recesses (41, 43) respectively connecting the two vias (51, 53); forming a source (61) and a drain (63) on the etching stopper layer (5), and the source (61) fills one via (51) and the recess (41) connecting therewith, and the drain (63) fills the other via (53) and the recess (43) connecting therewith; performing a post process.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: April 21, 2020
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yutong Hu, Chihyuan Tseng, Chihyu Su, Wenhui Li, Xiaowen Lv, Longqiang Shi, Hejing Zhang
  • Patent number: 10627658
    Abstract: There provides a liquid crystal panel including a GOA circuit and a driving method thereof, the GOA circuit including a plurality of single-level GOA circuit units that are cascaded, wherein each single-level GOA circuit unit includes a pull-down maintaining unit, the pull-down maintaining unit including a first transistor having a gate connected to a first node, a source connected to a present-level pre-charging node, and a drain connected to a low supply voltage wire; and a second transistor having a gate connected to an upper-level pre-charging node so as to receive a pre-charging signal from the upper-level pre-charging node and a drain connected to the low supply voltage wire, wherein the second transistor is configured to turn off the first transistor in response to an upper level pre-charging signal before the present-level pre-charging node is pre-charged.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shuai Chen
  • Patent number: 10627684
    Abstract: A liquid crystal mother substrate and a vertical alignment curing method thereof are provided and has one or more first color filter common electrode alignment signal inputting ends electrically connected to one or more sub electrode layers. One or more second color filter common electrode alignment signal inputting ends are electrically connected to another one or more sub electrode layers. The advantage of the liquid crystal mother substrate is that usage rate of the substrate is increased, and the liquid crystal substrate may be vertical alignment cured individually.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Bangyin Peng
  • Patent number: 10629142
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes a plurality of sub-pixels arranged in matrix, each sub-pixels is an eight domains structure; in a frame image, the data signals of the sub-pixels in two adjacent columns have opposite polarities, and in two adjacent frame images, the data signals of the same sub-pixel have opposite polarities; each two adjacent sub-pixels in a row direction are a sub-pixel group, in two adjacent sub-pixel groups, the sub-pixels in one sub-pixel group display a brightness of a first display gray scale corresponding to the sub-pixels, the sub-pixels in another sub-pixel group display a brightness of a second display gray scale corresponding to the sub-pixels; by performing the color shift compensation process on the data signals of the sub-pixels in the eight-domain structure, the color viewing angle and the viewing experience of the liquid crystal display device could be improved.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bingjei Liao, Yu Wu, Xiaoliang Guan, Geng Wang
  • Patent number: 10629150
    Abstract: The present disclosure provides a GOA driving circuit and a liquid display panel. The GOA driving circuit comprises a plurality of cascaded GOA units. An N-th GOA unit comprises a pull-up module, a pull-down module, a pull-up control module, a pull-down holding module, and a bootstrap capacitor module. The pull-up module, the pull-down module, the pull-down holding module, and the bootstrap capacitor module couple to an N-th gate signal node Qn.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Shuai Chen
  • Patent number: 10629156
    Abstract: The invention provides a control circuit for an LCD panel and an LCD panel, wherein the control circuit is configured to drive an array pixel unit, and the control circuit comprises: a timing controller, a gamma voltage generation module, and a source a pole driver, wherein a first control end of the timing controller is connected to an input end of the gamma voltage generation module, and an output end of the gamma voltage generation module is connected to a first input end of the source driver, a second control end of the timing controller is connected to a second input end of the source driver, and an output end of the source driver is connected to a data line of the array pixel unit. The embodiment of the invention can reduce the level crosstalk generated during the LC displaying process and improve the flicker phenomenon of the screen.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 21, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiang Gao
  • Patent number: 10621935
    Abstract: An HVA wiring method based on a GOA circuit is disclosed. A direct-current low voltage input end and a reset signal input end are connected to a first signal providing end, and the first signal providing end is configured to provide a direct-current low voltage signal to the direct-current low voltage input end and to provide a reset signal to the reset signal input end. When the HVA wiring method is used, the GOA circuit in which the reset signal is added can share the existing HVA jigs.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 14, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiangyang Xu
  • Patent number: 10615365
    Abstract: The present disclosure relates to a packaging assembly and a glass packing method. The method includes the following steps: coating ring-shaped glass adhesive on the glass cover; coating outer frame glue of ring-shaped at an outer side of the glass adhesive, wherein the outer frame glue is spaced apart from the glass adhesive; coating inner frame glue at an inner side of the glass adhesive; filling packing material to an inner side of the inner frame glue; bonding the glass substrate on the glass cover; and radiating the glass adhesive by laser to weld the glass substrate on the glass cover by the glass adhesive. The method prevents the oxygen and the moisture from entering the glass adhesive so as to extend the life cycle of the components within the glass adhesive.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: April 7, 2020
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yawei Liu, Boyan Lv
  • Patent number: 10615184
    Abstract: An array substrate includes a plurality of pixel units arranged in an array. Each of the pixel units includes a common electrode, a first insulation layer, a sub pixel electrode, a second insulation layer, and a conductor plate that are sequentially stacked. The conductor plate is electrically connected to the common electrode. The common electrode and the sub pixel electrode collectively form therebetween a first confronting area and the conductor plate and the sub pixel electrode collectively form therebetween a second confronting area, such that a storage capacitor is formed, collectively, between the common electrode and the sub pixel electrode and between the conductor plate and the sub pixel electrode. The above-described array substrate provides a relatively large storage capacitor. Also disclosed is a display panel.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: April 7, 2020
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Liyang An