Patents by Inventor Yewen Wang

Yewen Wang 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: 9061368
    Abstract: The present invention relates to an improved laser annealing device, which includes a laser beam, a housing, a laser beam output window formed in a top of the housing, a substrate located at a bottom of the housing for carrying a material to be annealed, and a movable mask arranged between the laser beam output window and the substrate. The mask is set in inclination with respect to a horizontal direction. The mask forms a slit extending through upper and lower surfaces thereof. The laser beam travels vertically down through the laser beam output window and then passes through the slit to irradiate the substrate. The improved laser annealing device of the present invention includes a mask set in inclination with respect to the horizontal direction to prevent scraps from affecting the laser head, reduce replacement of the laser head, and lower down the cost.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: June 23, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Publication number: 20150125786
    Abstract: The present invention provides a method for manufacturing a transparent conductive film and a method for manufacturing a CF substrate having the transparent conductive film. The method for manufacturing a conductive film includes: step 1: dissolving a mixed powder of graphene oxide and pure graphene in water and carrying out an ultrasonic treatment to obtain a stable aqueous solution of mixed graphene oxide and pure graphene; step 2: coating the stable aqueous solution of mixed graphene oxide and pure graphene on a substrate; step 3: subjecting the aqueous solution of mixed graphene oxide and pure graphene that is coated on the substrate to a drying treatment at 30-90° C.
    Type: Application
    Filed: November 4, 2013
    Publication date: May 7, 2015
    Inventors: Kuancheng Lee, Yewen Wang
  • Patent number: 8976321
    Abstract: The present invention relates to a fluorescent powder mixture, a manufacturing method for the same, and a corresponding liquid crystal display device. The fluorescent powder mixture is a mixture of a conductive powder and a fluorescent powder, wherein the conductive powder is aluminum zinc oxide, gallium zinc oxide, or indium tin oxide. The fluorescent powder mixture, the manufacturing method for the same, and the corresponding liquid crystal display device of the present invention increase the conductivity of the fluorescent powder, and further weaken the electron enrichment phenomenon on the surface of the fluorescent powder, so as to increase the illumination performance of the fluorescent powder.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: March 10, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Publication number: 20150029607
    Abstract: The present invention provides a transparent conductive layer and a CF substrate having the transparent conductive layer and a manufacturing method thereof. The transparent conductive layer is made of a graphene transparent conductive material and is in the form of a thin film having a thickness of 0.36 nm-10 nm, transmittance of visible light being 80-97%, and surface resistance being 30-500?/? and can replace a conventional ITO transparent conductive layer and has improved mechanical strength and flexibility. The CF substrate having the graphene transparent conductive layer uses the graphene transparent conductive layer to replace the ITO transparent conductive layer used in a CF substrate in order to obtain an electrode or a static electricity draining layer having high transmittance and excellent flexibility and, when used in a liquid crystal display panel, helps improve the transmittance of the liquid crystal panel and reduce the use of backlighting.
    Type: Application
    Filed: July 30, 2013
    Publication date: January 29, 2015
    Inventors: Kuancheng Lee, Yewen Wang
  • Publication number: 20150023059
    Abstract: The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) mounted on the backplane (2), and a heat dissipation film (220) mounted on the backplane (2). The heat dissipation film (220) is made of graphene and has a thickness of 0.01-0.05 mm. The backlight module of the present invention provides includes a graphene-made heat dissipation film formed on a backplane to effectively improve the heat dissipation performance of the backlight module, allowing thermal energy to be uniformly distributed on the entire surface of the heat dissipation film in the plane direction to eliminate localized hot spots. Further, the graphene material is light-weighted so that addition of the heat dissipation film made of graphene does not significantly increase the weight of the backlight module.
    Type: Application
    Filed: July 25, 2013
    Publication date: January 22, 2015
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventors: Changcheng Lo, Chong Huang, Weifeng Chen, Pangling Zhang, Chengling Lv, Yewen Wang
  • Patent number: 8922747
    Abstract: The present invention discloses a liquid crystal panel, an OLED display panel, a glass substrate and the manufacturing method thereof, wherein, the liquid crystal panel comprises the opposite first substrate and second substrate. The first substrate and the second substrate respectively include a glass substrate. At least one of the first substrate and the second substrate includes an isolating layer, which is arranged on the inner surface of the glass substrate, for isolating the active alkali metal of the glass. Because the present invention uses the ordinary alkali free glass on the liquid crystal panel or the OLED panel as the glass substrate, and arranges an isolating layer on the glass substrate, the isolating layer can prevent the active alkali metal in the alkali free glass like active sodium ion, kalium ion etc.
    Type: Grant
    Filed: December 3, 2011
    Date of Patent: December 30, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Patent number: 8894883
    Abstract: Fluorescent materials and preparation methods thereof are provided. The fluorescent materials are represented by the general formula: M, Zn1-xAlxO and Y2O3: Re, wherein Re is at least one selected from Eu and Tb, M is at least one selected from Ag, Au, Pt and Pd in the form of nano-particle, and 0<×?0.05. The said methods include the following steps: step 1, preparing a colloid of Zn1-xAlxO; step 2, preparing a colloid of Y and Re containing the metal element M; step 3, mixing the colloid of Zn1-xAlxO with the colloid of Y and Re, aging and heating treatment to form the fluorescent materials. Compared to the Y2O3 fluorescent materials in the art the present fluorescent materials have higher luminescence efficiency, conductivity, long life and industrial applicability.
    Type: Grant
    Filed: June 12, 2010
    Date of Patent: November 25, 2014
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Ting Lv, Yewen Wang, Wenbo Ma
  • Patent number: 8895143
    Abstract: Double core-shell fluorescent materials and preparation methods thereof are provided. The double core-shell fluorescent materials include inner core, inner shell coating the inner core and outer shell coating the said inner shell. The inner core is metal particle and the chemical constitution of the inner shell is silicon dioxide. The outer shell is fluorescent powder represented by the following chemical formula: (R1-x, Eux)2O3, wherein R is Y, Gd or combination thereof, 0.02?x?0.1. The double core-shell fluorescent materials with uniform and stable luminous effect not only increase luminous intensity, but also decrease usage amount of fluorescent powder by using metal particle as inner core.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: November 25, 2014
    Assignee: Ocean's King Lighting Science & Technology Co., Ltd.
    Inventors: Mingjie Zhou, Wenbo Ma, Shuxin Lu, Yewen Wang
  • Publication number: 20140211451
    Abstract: The present invention discloses a display device, a backlight module, and a first emitting light source. The light emitting light source includes first and second substrates arranged relatively with each other. A first electrode layer is formed on an internal side of the first substrate; and a second electrode layer is formed on an internal side of the second substrate. An light-emitting layer is arranged between the first and second transparent conductive layers, and formed over the first transparent conductive layer, wherein the light-emitting layer includes a quantum dot material. And wherein the second transparent conductive layer is used to emit electrons toward the light emitting layer so as to create illumination for being used in is backlight module. A quantum dot material is incorporated so as to increase the light emitting performance of the light emitting light source.
    Type: Application
    Filed: February 1, 2013
    Publication date: July 31, 2014
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Yewen Wang
  • Publication number: 20140211448
    Abstract: The present invention provides a backlight module and liquid crystal display device. The backlight module includes diffuser plate, substrate, fluorescent layer and light-emitting chip. The fluorescent layer is disposed on a light-entering surface of diffuser plate, and the fluorescent layer includes quantum dot (QD). The light-emitting chip is disposed on the substrate and the light-emitting chip is between substrate and fluorescent layer for irradiating on the fluorescent layer to excite the quantum dots to emit light to form white backlight source. The present invention uses quantum dots to effectively increase luminance, color saturation and avoid chroma offset. The quantum dots can emit uniform light and reduce thickness of the backlight module.
    Type: Application
    Filed: February 4, 2013
    Publication date: July 31, 2014
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Yewen Wang
  • Patent number: 8749738
    Abstract: The present invention discloses a liquid crystal panel and a manufacturing method thereof, and a liquid crystal display; the manufacturing method of the liquid crystal panel comprises the following steps: conducting materials are mixed into black matrix coating materials and black matrix deposition is conducted. In the present invention, because the conducting materials are mixed into the black matrix coating materials, the black matrix can conduct electricity and therefore, the liquid crystal panel can conduct static electricity by the conductivity of the black matrix to protect the liquid crystal panel and assemblies on the liquid crystal panel; the reliability of the liquid crystal panel is increased, because of the conductivity of the black matrix, the liquid crystal panel does not need additional conducting design (i.e.
    Type: Grant
    Filed: December 6, 2011
    Date of Patent: June 10, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Publication number: 20140071655
    Abstract: The present invention provides a direct backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a diffuser plate mounted to the backplane and located above the backlight source. The backlight source includes a plurality of LED light bars. Each of the LED light bars includes a plurality of LED lights. The diffuser plate has a light incident surface opposing the backlight source. A phosphor powder layer is coated on the light incident surface of the diffuser plate. The LED lights give off light that excites the phosphor powder layer to give off light. The light given off by the excitation of the phosphor powder layer is mixed with a part of the light emitting from the LED lights to form white light desired for the backlight source.
    Type: Application
    Filed: September 21, 2012
    Publication date: March 13, 2014
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Publication number: 20140002770
    Abstract: A method for manufacturing fluorescent powder substrate includes (1) providing a fluorescent powder and glass panels of which one forms a through hole; (2) mixing the fluorescent powder in deionized water solvent to form a slurry; (3) applying the slurry to form a fluorescent powder layer on one glass panel; (4) laying flat a loop of low melting point glass powder on the glass panel on which the fluorescent powder layer is formed; (5) laminating the other glass panel on the glass panel; (6) burning the laminated glass panels at a temperature of 400-550° C. to completely combust organic substance therebetween and to have the low melting point glass powder bonding the glass panels together; (7) evacuating interior between the glass panels through the through hole; and (8) sealing the through hole to form a fluorescent powder substrate.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 2, 2014
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Yewen Wang
  • Publication number: 20130319977
    Abstract: The present invention relates to an improved laser annealing device, which includes a laser beam, a housing, a laser beam output window formed in a top of the housing, a substrate located at a bottom of the housing for carrying a material to be annealed, and a movable mask arranged between the laser beam output window and the substrate. The mask is set in inclination with respect to a horizontal direction. The mask forms a slit extending through upper and lower surfaces thereof. The laser beam travels vertically down through the laser beam output window and then passes through the slit to irradiate the substrate. The improved laser annealing device of the present invention includes a mask set in inclination with respect to the horizontal direction to prevent scraps from affecting the laser head, reduce replacement of the laser head, and lower down the cost.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 5, 2013
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yewen Wang
  • Publication number: 20130314646
    Abstract: The present invention relates to a fluorescent powder mixture, a manufacturing method for the same, and a corresponding liquid crystal display device. The fluorescent powder mixture is a mixture of a conductive powder and a fluorescent powder, wherein the conductive powder is aluminum zinc oxide, gallium zinc oxide, or indium tin oxide. The fluorescent powder mixture, the manufacturing method for the same, and the corresponding liquid crystal display device of the present invention increase the conductivity of the fluorescent powder, and further weaken the electron enrichment phenomenon on the surface of the fluorescent powder, so as to increase the illumination performance of the fluorescent powder.
    Type: Application
    Filed: June 8, 2012
    Publication date: November 28, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventor: Yewen Wang
  • Publication number: 20130240887
    Abstract: Disclosed are an array substrate and a relevant display panel. The array substrate has a display area and a peripheral circuit area outside the display area. The array substrate comprises a pixel array and a peripheral circuit. The pixel array comprises thin film transistors and pixel electrodes. The pixel electrodes are graphene thin films. The array substrate and the relevant display panel according to the present invention have low manufacture cost.
    Type: Application
    Filed: March 14, 2012
    Publication date: September 19, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD
    Inventor: Yewen Wang
  • Publication number: 20130242611
    Abstract: The present invention provides a side-edge backlight module, which includes a backlight source that emits blue light, a light guide board, and a fluorescent powder layer. The light guide board includes a light incidence surface. The backlight source is set corresponding to the light incidence surface and is arranged at one side of the light guide board. The fluorescent powder layer is mounted by a bonding layer to the light incidence surface of the light guide board. The bonding layer has an end face that is in contact engagement with the fluorescent powder layer and includes a smooth continuous curved surface. The fluorescent powder layer is set along the curved surface. The fluorescent powder layer is excited by the blue light emitting from the backlight source to generate white light. The white light transmits through the bonding layer to enter the light guide board.
    Type: Application
    Filed: March 28, 2012
    Publication date: September 19, 2013
    Applicant: Shenzhen China Star Optoelectronics Technology Co. LTD.
    Inventor: YeWen Wang
  • Publication number: 20130215361
    Abstract: The invention discloses a light guide plate, a backlight module and an LCD device; the light incident surface of the light guide plate is coated with a layer of fluorescent powder.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 22, 2013
    Inventor: Yewen Wang
  • Publication number: 20130141687
    Abstract: The present invention discloses a liquid crystal panel and a manufacturing method thereof, and a liquid crystal display; the manufacturing method of the liquid crystal panel comprises the following steps: conducting materials are mixed into black matrix coating materials and black matrix deposition is conducted. In the present invention, because the conducting materials are mixed into the black matrix coating materials, the black matrix can conduct electricity and therefore, the liquid crystal panel can conduct static electricity by the conductivity of the black matrix to protect the liquid crystal panel and assemblies on the liquid crystal panel; the reliability of the liquid crystal panel is increased, because of the conductivity of the black matrix, the liquid crystal panel does not need additional conducting design (i.e.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 6, 2013
    Inventor: Yewen Wang
  • Publication number: 20130135571
    Abstract: The present invention discloses a liquid crystal panel, an OLED display panel, a glass substrate and the manufacturing method thereof, wherein, the liquid crystal panel comprises the opposite first substrate and second substrate. The first substrate and the second substrate respectively include a glass substrate. At least one of the first substrate and the second substrate includes an isolating layer, which is arranged on the inner surface of the glass substrate, for isolating the active alkali metal of the glass. Because the present invention uses the ordinary alkali free glass on the liquid crystal panel or the OLED panel as the glass substrate, and arranges an isolating layer on the glass substrate, the isolating layer can prevent the active alkali metal in the alkali free glass like active sodium ion, kalium ion etc.
    Type: Application
    Filed: December 3, 2011
    Publication date: May 30, 2013
    Inventor: Yewen Wang