Patents by Inventor Rong Lu

Rong Lu 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: 6709532
    Abstract: A photoresist stripping apparatus and a corresponding method for removing photoresist layers after a patterned polyimide layer is developed. The photoresist-stripping apparatus includes a transporting unit, a stripping unit, a washing unit, a drying unit and a control unit. The transporting unit connects the stripping unit, the washing unit and the drying unit. The control unit is responsible for controlling the transport sequence and timing of the transporting unit. The method of stripping the photoresist layer off the OLED panel includes providing a stripping solution to the stripping unit to remove photoresist layers. The OLED panel is jet-cleaned with a washing solution in the washing unit so that any residual stripping agent is removed. Finally, the surface of the OLED panel is blown dry.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: March 23, 2004
    Assignee: RiTdisplay Corporation
    Inventors: Yih Chang, Tien-Rong Lu
  • Publication number: 20040049581
    Abstract: The present invention discloses a data scanning system and a method thereof for a server. The method includes steps of defining an auditing period, scanning an accessed data in a default scanning mode from the server by a user, obtaining a credit data of the user, and executing a rearranging process for resetting a reset scanning mode for the user according to the credit data when the auditing period is expired, thereby the default scanning mode being adjustable according to the credit data of the user.
    Type: Application
    Filed: September 10, 2002
    Publication date: March 11, 2004
    Applicant: Ulead System, Inc.
    Inventors: William Lu, Eric Chen, Kuang-Rong Lu, Rick Han
  • Publication number: 20040041520
    Abstract: A panel for an organic electroluminescent device is disclosed, which has a substrate having a first conducting area, a second conducting area, a third conducting area, and an active area; wherein active area locates between first conducting area and second conducting area; third conducting area locates at one side of active area; first conducting area, second conducting area, third conducting area and active area are integrated together on the surface of substrate; and third conducting area locates adjacent to first conducting area, second conducting area, and active area; a plurality of first conducting lines located in first conducting area on the substrate, a plurality of second conducting lines located in second conducting area on the substrate, and a plurality of third conducting lines located in third conducting area on the substrates.
    Type: Application
    Filed: August 27, 2003
    Publication date: March 4, 2004
    Applicant: RiTdisplay Corporation
    Inventors: Ching-Huei Wu, Tien-Rong Lu, Ching-Te Lin, Yih Chang
  • Publication number: 20030228823
    Abstract: A surface treatment process for fabricating a panel of an organic light emitting device is disclosed.
    Type: Application
    Filed: June 16, 2003
    Publication date: December 11, 2003
    Applicant: Ritdisplay Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6658762
    Abstract: A method and an apparatus for transporting substrates in all organic light emitting diode (OLED) process is disclosed, which has a transferring chamber provided for transporting substrates between processing modules and the atmosphere condition therein is able to be adjusted to be the same as the processing module by an atmosphere conditioner unit. According to the present invention, the substrates are not contaminated by moisture and the process operation and the factory layout are more flexible. Moreover, the OLED yield is improved.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: December 9, 2003
    Assignee: RiTdisplay Corporation
    Inventors: Yih Chang, Jung-Lung Liu, Chih-Jen Yang, Chih-Ming Kuo, Jih-Yi Wang, Tien-Rong Lu
  • Publication number: 20030222577
    Abstract: This invention relates to an organic light-emitting display (OLED) device comprising a substrate, a first electrode layer (cathode) mounted on one side of the substrate, a second electrode layer (anode) sandwiched between the substrate and the first electrode layer (cathode), at least one organic electroluminescent layer sandwiched between the first electrode layer (cathode) and the second electrode layer (anode), a color conversion layer of fluorescent powder sandwiched between the substrate and the second electrode layer (anode), and at least one filter layer sandwiched between the color conversion layer of fluorescent powder and the substrate; wherein said organic electroluminescent layer emits light in a wavelength bandwidth of blue light, and said color conversion layer of fluorescent power converts the light emitted from said organic electroluminescent layer into green, red or blue light. Also, the present invention relates to a process for fabricating the OLED device.
    Type: Application
    Filed: May 28, 2003
    Publication date: December 4, 2003
    Applicant: RiTdisplay Corporation
    Inventor: Tien-Rong Lu
  • Publication number: 20030222576
    Abstract: This invention relates to an organic light-emitting display (OLED) device comprising a substrate, a first electrode layer mounted on one side of the substrate, a second electrode layer sandwiched between the substrate and the first electrode layer, at least one organic electroluminescent layer sandwiched between the first electrode layer and the second electrode layer, a color conversion layer of fluorescent powder sandwiched between the substrate and the second electrode layer, and at least one filter layer sandwiched between the color conversion layer of fluorescent powder and the substrate; wherein the color conversion layer of fluorescent powder converts in a shorter wavelength light emitted by excitation of the organic electroluminescent layer through an electric current into white combination light, and the white combination light is then converted into full color display information through the color filter. Also, the present invention relates to a process for fabricating the OLED device.
    Type: Application
    Filed: May 28, 2003
    Publication date: December 4, 2003
    Applicant: RiTdisplay Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6657380
    Abstract: An organic electroluminescent (OEL) display panel has improved lifetime and better display quality with a reduced amount of residual solvent on the isolating walls of the OEL panel. The organic electroluminescent display panel includes: a substrate, a plurality of first electrodes positioned on the substrate, a plurality of polyimide-isolating walls that are parallel to each other, an organic electroluminescent layer positioned on portions of the first electrodes that are not covered by the polyimide-isolating walls, and a plurality of second electrodes positioned on the organic electroluminescent layer. The cross-section of the polyimide-isolating walls has a reverse-trapezoid shape. The polyimide-isolating walls have electric, thermal and mechanical stability, thereby improving luminescent stability and lifetime of the organic electroluminescent display panel which, in turn, improves the stability and lifetime of the organic electroluminescent display panel.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: December 2, 2003
    Assignee: Ritek Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6653779
    Abstract: A method for forming a pixel-defining layer on an OLED panel comprises the following steps: (A) providing a substrate; (B) forming plurality of electrodes on the substrate; (C) coating a layer of anti-glare compositions comprising non-photosensitive polyimide and light-absorbing pigments or dyes on the substrate; (D) first prebaking the substrate with the layer of the anti-glare compositions; (E) coating a layer of photoresist compositions on the layer of anti-glare compositions; (F) second prebaking the substrate with the anti-glare compositions and the photoresist; (G) forming patterns of the photoresist through exposing the substrate to masked radiation, developing the photoresist on the substrate, etching the layer of the anti-glare compositions and the photoresist at the same time to form patterned layers of the anti-glare polyimide or polyimide precursor compositions and patterned photoresist; and (I) baking the substrate with the patterned anti-glare polyimide or polyimide precursor compositions for cr
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: November 25, 2003
    Assignee: RiTdisplay Corporation
    Inventor: Tien-Rong Lu
  • Publication number: 20030213506
    Abstract: A photoresist stripping apparatus and a corresponding method for removing photoresist layers after a patterned polyimide layer is developed. The photoresist-stripping apparatus includes a transporting unit, a stripping unit, a washing unit, a drying unit and a control unit. The transporting unit connects the stripping unit, the washing unit and the drying unit. The control unit is responsible for controlling the transport sequence and timing of the transporting unit. The method of stripping the photoresist layer off the OLED panel includes providing a stripping solution to the stripping unit to remove photoresist layers. The OLED panel is jet-cleaned with a washing solution in the washing unit so that any residual stripping agent is removed. Finally, the surface of the OLED panel is blown dry.
    Type: Application
    Filed: June 18, 2003
    Publication date: November 20, 2003
    Inventors: Yih Chang, Tien-Rong Lu
  • Publication number: 20030205709
    Abstract: A thin-film-transistor organic electroluminescent device comprises: a substrate; a plurality of stripes of first conductive lines; a plurality of stripes of second conductive lines, intersecting the first conductive lines; a plurality of functional elements located at the intersections of the first conductive lines and the second conductive lines, including a transistor having a drain, a source and a gate; a cathode mounted on the surface of the substrate and connected to the drain; an anode mounted on the cathode; and at least one organic electroluminescent medium sandwiched between the cathode and the anode; wherein the cathode and the first conductive lines are made of the same material.
    Type: Application
    Filed: May 2, 2003
    Publication date: November 6, 2003
    Applicant: RiTdisplay Corporation
    Inventor: Tien-Rong Lu
  • Publication number: 20030207482
    Abstract: A method for fabricating a low temperature polysilicon organic electroluminescent substrate comprises the following steps: providing a substrate; forming an amorphous silicon layer on the substrate; forming a plurality of patterned transistor elements each having a patterned source, a patterned drain and a patterned gate in the amorphous silicon layer by photolithography and ion doping; annealing the patterned transistor element having the patterned source, drain and gate by excimer laser; forming a plurality of patterned stripe second conductive lines connected to the gates on the surface of the substrate; forming a patterned isolation layer on the gate layer, and also forming a plurality of patterned stripe first conductive lines and a patterned first electrode on the substrate; forming at least one organic electroluminescent medium on the first electrode; and forming a second electrode layer on the organic electroluminescent medium.
    Type: Application
    Filed: May 2, 2003
    Publication date: November 6, 2003
    Applicant: RiTdisplay Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6630785
    Abstract: A surface treatment process for fabricating a panel of an organic light emitting device is disclosed.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: October 7, 2003
    Assignee: Ritdisplay Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6616496
    Abstract: A method of forming a polyimide-isolating wall including the steps of: a coating process for coating a photosensitive-polyimide isolating wall on an organic electroluminescent display panel; a prebaking process; an exposure process; a post-exposure baking process; a developing process for shaping the polyimide-isolating wall as a reverse-trapezoid cross section; and a curing process for making the polyimide-isolating wall possess electric, thermal and mechanical stability.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: September 9, 2003
    Assignee: Ritdisplay Corporation
    Inventor: Tien-Rong Lu
  • Patent number: 6613156
    Abstract: A photoresist stripping apparatus and a corresponding method for removing photoresist layers after a patterned polyimide layer is developed. The photoresist-stripping apparatus includes a transporting unit, a stripping unit, a washing unit, a drying unit and a control unit. The transporting unit connects the stripping unit, the washing unit and the drying unit. The control unit is responsible for controlling the transport sequence and timing of the transporting unit. The method of stripping the photoresist layer off the OLED panel includes providing a stripping solution to the stripping unit to remove photoresist layers. The OLED panel is jet-cleaned with a washing solution in the washing unit so that any residual stripping agent is removed. Finally, the surface of the OLED panel is blown dry.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: September 2, 2003
    Assignee: Ritek Display Technology Corporation
    Inventors: Yih Chang, Tien-Rong Lu
  • Publication number: 20030157740
    Abstract: A method of the invention for forming a pixel-defining layer on an OLED panel is disclosed.
    Type: Application
    Filed: March 20, 2003
    Publication date: August 21, 2003
    Applicant: RITDISPLAY CORPORATION
    Inventors: Tien-Rong Lu, Yih Chang
  • Publication number: 20030143491
    Abstract: A developing apparatus for organic electroluminescent display panels comprises a developing unit for supplying a developing solution to be uniformly dispensed to the surface of an organic electroluminescent display panel by immersing the organic electroluminescent display panel into the developing solution or spreading the developing solution over the organic electroluminescent display panel, a cleaning unit having at least a bath connected to the end of the developing unit for spraying a recycled cleaning liquid or cleaning liquid over the organic electroluminescent display panel, a drying unit having at least an airflow driers, and a transporting unit for transporting the electroluminescent display panel; wherein the organic electroluminescent display panel is transported at a constant speed by the transporting unit of the developing apparatus.
    Type: Application
    Filed: December 31, 2002
    Publication date: July 31, 2003
    Applicant: Ritdisplay Corporation
    Inventors: Tien-Rong Lu, Yih Chang
  • Publication number: 20030136714
    Abstract: A vapor transferring apparatus for purification of organic functional materials is disclosed, which comprises a furnace having at least a furnace gate, furnace walls, and a heater; wherein said furnace gate is mounted on said furnace walls of said heater; at least a glove box having at least a box gate, box walls, and at least one glove; wherein said box gate is mounted on said box walls of said glove box; and a shifting chamber having at least a valve and at least a surrounding wall, locating between and connecting with said furnace gate of said furnace or said box gate of said glove box; wherein said valve is mounted on said surrounding wall of said shifting chamber; wherein the heater, the glove box, and the shifting chamber are hermetical and hollow.
    Type: Application
    Filed: November 1, 2002
    Publication date: July 24, 2003
    Applicant: RITDISPLAY CORPORATION
    Inventors: Tien-Rong Lu, Jinna-Shyng Shiue, Jih-Sheng Shiu
  • Publication number: 20030117794
    Abstract: A flat color-shift medium which is positioned on a backlight of an organic light-emitting source. The flat color-shift medium is made of uniformly mixed fluorescent materials, each of which has a specific dose ratio. Due to the microcosmic light-color mixing effect of the fluorescent materials, the flat color-shift medium could shift an original spectrum of shorter wavelength into a desired spectrum of longer wavelength.
    Type: Application
    Filed: December 19, 2002
    Publication date: June 26, 2003
    Inventors: Tien-Rong Lu, Mao-Kuo Wei, Shea-Jue Wang
  • Publication number: 20030116088
    Abstract: A deposition apparatus for organic light emitting devices. The deposition apparatus includes a substrate conveying system and at least a chamber. In this case, the substrate conveying system is a circular turntable shape. The chambers are provided around the substrate conveying system in a specific order. While the substrate conveying system rotates in a circular direction, at least a substrate is transferred into the chambers for deposition. After the deposition, at least a layer is deposited on each of the substrates, so as to manufacture at least an organic light-emitting device.
    Type: Application
    Filed: December 19, 2002
    Publication date: June 26, 2003
    Inventors: Yi Chang, Jih-Yi Wang, Mao-Kuo Wei, Tien-Rong Lu