Patents Assigned to RiTdisplay Corporation
  • Publication number: 20150188060
    Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure as represented by wherein R1, R2 are hydrogen, phenyl, biphenyl, diisopropyl amino, or derivatives thereof. The organic electroluminescence device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organometallic compound.
    Type: Application
    Filed: May 16, 2014
    Publication date: July 2, 2015
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Ritdisplay Corporation
    Inventors: Teng-Chih CHAO, Meng-Hao CHANG, Han-Cheng YEH, Ching-Hui CHOU
  • Patent number: 8409728
    Abstract: An organic electroluminescence device includes an organic layer disposed between at least one pair of electrodes, wherein the organic layer includes at least one fluorescent compound selected from compounds represented by the following general formulae (1) and (2): wherein X1 to X16 each independently represents a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 20 carbon atoms, a linear, branched or cyclic alkoxy group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aryloxy group having 6 to 30 carbon groups, a substituted or unsubstituted arylamino group having 6 to 30 carbon atoms, a substituted or unsubstituted alkylamino group having 1 to 30 carbon atoms, a substituted or unsubstituted arylalkylamino group having 7 to 30 carbon atoms or a substituted or unsubstituted alkenyl group having 8 to 30 carbon atoms; a pair of adjacent groups represented by X1 to X2 and a pair of adjacent substituents to g
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: April 2, 2013
    Assignee: Ritdisplay Corporation
    Inventors: Shih Pin Tseng, Ming Lei Chen, Cheng Feng Su
  • Patent number: 8284125
    Abstract: An active matrix organic electro-luminescence display panel is provided. The display panel includes a substrate, an organic electro-luminescence device array, a driving circuit array and an insulating layer. A plurality of anodes of the organic electro-luminescence device array is disposed on the substrate. The circuit array is disposed on the organic electro-luminescence device array. The insulating layer is disposed on the substrate and located between the organic electro-luminescence device array and the driving circuit array. The insulating layer exposes a part of each the organic electro-luminescence device. Each driving circuit includes a scan line, a data line and a control unit. The control unit is electrically coupled to the scan line, the data line and a lower voltage source, while the corresponding organic electro-luminescence device is electrically coupled between the control unit and a higher voltage source.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: October 9, 2012
    Assignee: Ritdisplay Corporation
    Inventor: Yen-Chun Chen
  • Patent number: 7994703
    Abstract: An organic LED display apparatus comprises a substrate and an upper cover. The substrate comprises a display area, a plurality of inner leads and a plurality of outer leads. The upper cover overlays the display area and the plurality of inner leads, and is hermetically combined with the substrate by means of an encapsulating material. The plurality of outer leads is covered with an insulating material that is laid on the outer leads immediately after they are formed on the substrate. Therefore, the plurality of outer leads can be protected from scratches and damage.
    Type: Grant
    Filed: March 19, 2008
    Date of Patent: August 9, 2011
    Assignee: Ritdisplay Corporation
    Inventors: Chun Hao Pan, Tzeng Cheng Luo, Chung Che Tsou
  • Patent number: 7935959
    Abstract: An active matrix organic electro-luminescence display panel including a substrate, an organic electro-luminescence device array, and a driving circuit array is provided. The organic electro-luminescence device array includes numerous organic electro-luminescence devices which are arranged in array one the substrate, and the driving circuit array includes numerous driving circuits arranged in array on the substrate. The driving circuit is suitable for driving the corresponding organic electro-luminescence device through a high voltage source and a low voltage source. Additionally, the driving circuit includes a scan line, a data line, and a control unit. The control unit is electrically coupled with the scan line, the data line, and the low voltage source. The organic electro-luminescence device is electrically coupled between the control unit and the high voltage source. Further, the corresponding organic electro-luminescence device is electrically coupled between the control unit and the high voltage source.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: May 3, 2011
    Assignee: Ritdisplay Corporation
    Inventors: Tung-Yang Tang, Yen-Chun Chen, Chao-Chen Wang
  • Patent number: 7936124
    Abstract: An organic light emitting device (OLED) with brightness uniformity design comprises a substrate, an anode layer, a light emitting layer, a cathode layer, a plurality of anode leads and a plurality of cathode leads. The anode layer has a plurality of separate regions formed on the substrate respectively; the light emitting layer has a plurality of separate regions formed on the plurality of anode layer regions respectively; the cathode layer has a plurality of separate regions formed on the plurality of light emitting layer regions respectively. The anode leads with different cross-sectional areas are respectively connected to the regions of the anode layer, and the cathode leads with different cross-sectional areas are respectively connected to the regions of the cathode layer; the anode leads are connected to a positive input terminal of a power supply, and the cathode leads are connected to a negative input terminal of the power supply.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: May 3, 2011
    Assignee: Ritdisplay Corporation
    Inventors: Chung Che Tsou, Shin Ju Lin
  • Publication number: 20100244667
    Abstract: The invention discloses an organic light-emitting display panel, which includes a substrate, an electrode layer, a light-emitting layer, upper conductors and assistant electrodes. The electrode layer is disposed on the substrate. The light-emitting layer is disposed on the electrode layer. The light-emitting layer includes organic light-emitting units and isolation units. The organic light-emitting units are separately disposed on the electrode layer. The isolation units are disposed between the organic light-emitting units. The upper conductors are disposed on the light-emitting layer. The assistant electrodes are respectively disposed on the isolation units. Each assistant electrode is electrically connected with one of the upper conductors, so as to reduce the equivalent resistance of the upper conductor with the assistant electrode.
    Type: Application
    Filed: June 1, 2009
    Publication date: September 30, 2010
    Applicant: RiTdisplay Corporation
    Inventors: Chun-Hao Pan, Chung-Che Tsou, Yi-Nan Tsai
  • Patent number: 7615778
    Abstract: An organic electroluminescent device includes a first organic thin film transistor, a second organic thin film transistor and at least an organic functional layer. The organic functional layer is disposed between the second organic thin film transistor and the first organic thin film transistor. By applying voltages in the first organic thin film transistor and the second organic thin film transistor at the same time, a voltage difference between the two transistors is produced to make electrons and electric holes move into the organic functional layer and re-combine therein for emitting light. The integration of the organic thin film transistor and the organic electroluminescent device can widen aperture ratio and increase process reliability.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: November 10, 2009
    Assignee: RITDisplay Corporation
    Inventors: En-Chiang Lin, Chi-Chih Liao
  • Patent number: 7564183
    Abstract: An organic electroluminescent display panel, which comprises a substrate, at least one display structure area, at least one first dummy area, and at least one second dummy area. The display structure area comprises at least one encapsulation area, at least one pixel area, a first conducting area, a second conducting area, a wiring area, a first connecting area, and a second connecting area. The wiring area and the first dummy area connect the first connecting area, and the two conducting areas and the second dummy area connect the second connecting area. Besides, the first and the second connecting areas overlap a selected part of the encapsulation area of a neighboring display structure area. Accordingly, the number and capacity of display structure areas on the organic electroluminescent display panel are increased to obtain a uniform brightness during a lighting test.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: July 21, 2009
    Assignee: Ritdisplay Corporation
    Inventors: Tzeng-Cherng Luo, Cheng-Fan Lin, Meng-Chieh Liao, Chi-Chung Chen, Kang Chen
  • Patent number: 7511417
    Abstract: An organic light-emitting source includes a light-guiding substrate, at least one light-source area and a reflecting layer. The light-guiding substrate has a first surface and a second surface. The first surface includes at least one light-guiding part, which is a light guiding structure disposed on the light-guiding substrate. The light-source area includes at least one organic electroluminescent device, which sequentially includes a first electrode, at least one organic functional layer and a second electrode disposed over the first surface of the light-guiding substrate. The reflecting layer is disposed over the second surface of the light-guiding substrate.
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: March 31, 2009
    Assignee: Ritdisplay Corporation
    Inventors: Yih Chang, Tien Rong Lu
  • Patent number: 7315117
    Abstract: A full color display panel comprises an organic light-emitting area, a white-light producing layer, a color-separating layer and a transparent substrate. In this case, the organic light-emitting area comprises a plurality of pixels for emitting short wavelength light. The color-separating layer is doped with a fluorescent material and/or a phosphorescent material in a transparent protecting medium. The color-separating layer comprises a light-shielding frame and a plurality of color filters. The light-shielding frame is disposed around the peripheral of the color filters. The color-separating layer is disposed on the transparent substrate. The white-light producing layer is disposed above the color-separating layer. The organic light-emitting area is disposed above the white-light producing layer.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: January 1, 2008
    Assignee: RiTdisplay Corporation
    Inventors: Tien Rong Lu, Chi-Chung Chen, Chi-Chih Liao
  • Patent number: 7288885
    Abstract: An electrode substrate of a flat panel display comprises a substrate, an electrode layer, a conductive layer, and a barrier layer. The electrode layer is disposed above the substrate. The conductive layer is disposed above the electrode layer. The barrier layer is disposed above the conductive layer.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: October 30, 2007
    Assignee: Ritdisplay Corporation
    Inventors: Chao Chin Wu, Meng-Chieh Liao, Jiun-Haw Lee
  • Patent number: 7208870
    Abstract: An organic electroluminescent panel having a silver alloy is disclosed, which has a substrate; a plurality of the first electrodes; a plurality of the second electrodes; a plurality of conducting lines containing a silver alloy; a plurality of isolating walls; and a plurality of organic electroluminescent media. The first electrodes are arranged in parallel on the substrate. The organic electroluminescent media are disposed on the first electrodes. The second electrodes are disposed on the organic electroluminescent media. The conducting lines containing the silver alloy connect to the first electrodes or the second electrodes. The silver alloy contained in the conducting lines has 80 to 99.8 mol % of silver; 0.1 to 10 mol % of copper; and 0.1 to 10 mol % of at least one transition metal selected from the group consisting of palladium (Pd), magnesium (Mg), gold (Au), platinum (Pt), and the combinations thereof.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: April 24, 2007
    Assignee: RiTdisplay Corporation
    Inventors: Yih Chang, Shang-Wei Chen, Tien Wang Huang, Tien-Rong Lu, Hsin Tzu Yao, Chih-Jen Yang
  • Patent number: 7154235
    Abstract: An organic electroluminescent device having solar cells and a fabricating method therefor are disclosed. The device comprises a transparent substrate; an organic electroluminescent device on the transparent substrate; and at least one solar cells on the transparent substrate. Besides, the device further comprises a driving unit coupled to the organic electroluminescent device; a transform unit coupled to the solar cells; and a control unit coupled to the driving unit and the transform unit.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: December 26, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Jiun-Haw Lee, Ting-Wei Chuang, Chih-Chien Lee, Peir-Jy Hu
  • Publication number: 20060273711
    Abstract: An organic electroluminescent display panel, which comprises a substrate, at least one display structure area, at least one first dummy area, and at least one second dummy area. The display structure area comprises at least one encapsulation area, at least one pixel area, a first conducting area, a second conducting area, a wiring area, a first connecting area, and a second connecting area. The wiring area and the first dummy area connect the first connecting area, and the two conducting areas and the second dummy area connect the second connecting area. Besides, the first and the second connecting areas overlap a selected part of the encapsulation area of a neighboring display structure area. Accordingly, the number and capacity of display structure areas on the organic electroluminescent display panel are increased to obtain a uniform brightness during a lighting test.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 7, 2006
    Applicant: RiTdisplay Corporation
    Inventors: Tzeng-Cherng Luo, Cheng-Fan Lin, Meng-Chieh Liao, Chi-Chung Chen, Kang Chen
  • Patent number: 7144638
    Abstract: An organic light-emitting diode comprises an anode, an organic electroluminescent layer, a metal doped layer, and a cathode, in sequence, on a substrate; wherein the metal doped layer comprises an organic compound represented by the formula (1) doped with a metal.
    Type: Grant
    Filed: April 22, 2005
    Date of Patent: December 5, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Man-Kit Leung, Kuei-Hui Yang, Chi-Chih Liao, Hung-Lin Chen, Yung-Chih Lee, Yi-Meen Chou, Tzu-Chin Tang
  • Publication number: 20060264143
    Abstract: An organic electroluminescent device having solar cells and a fabricating method therefor are disclosed. The device comprises a transparent substrate; an organic electroluminescent device on the transparent substrate; and at least one solar cells on the transparent substrate. Besides, the device further comprises a driving unit coupled to the organic electroluminescent device; a transform unit coupled to the solar cells; and a control unit coupled to the driving unit and the transform unit.
    Type: Application
    Filed: July 28, 2006
    Publication date: November 23, 2006
    Applicant: RiTdisplay Corporation
    Inventors: Jiun-Haw Lee, Ting-Wei Chuang, Chih-Chien Lee, Peir-Jy Hu
  • Patent number: 7135090
    Abstract: An FPD encapsulation apparatus at least comprises a chamber and a pressing mechanism. In this case, the chamber has an airtight space to provide a low-pressure environment, and the low-pressure environment is located inside the airtight space. The pressing mechanism is disposed within the chamber, and the pressing mechanism is operated in the low-pressure environment for pressing a second substrate to bind a first substrate and the second substrate. Furthermore, a method for encapsulating an FPD is disclosed. The method comprises providing a first substrate, forming an adhesive on the first substrate, providing a second substrate to align the first substrate and face to the adhesive, providing a low-pressure environment for the first and second substrates, and binding the first and second substrates to form the FPD.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: November 14, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Tung-Sheng Cheng, Yi-Fan Su, Yen-Hua Lin
  • Patent number: 7131882
    Abstract: A manufacturing method of organic flat light-emitting devices includes the following steps. First, a transparent substrate is provided, which has several microstructures on its first surface and the microstructures have a maximum height of 100 ?m from the first surface. Second, a transparent anode is formed on the second surface of the transparent substrate that is opposite to the first surface. Thirdly, at least one organic electro-luminescent layer is formed on the transparent anode. Finally, a metal cathode is formed on the organic electro-luminescent layer.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: November 7, 2006
    Assignee: RitDisplay Corporation
    Inventors: Mao-Kuo Wei, Jih-Yi Wang
  • Patent number: 7125581
    Abstract: An evaporation method and an apparatus thereof are disclosed. The evaporation apparatus comprises a rotator, a heater and a source supplying device. The rotator, which is disposed above the central portion of the substrate, can rotate the substrate. An evaporation source is disposed on the heater, and the evaporation region is a circular region. The heater and the source supplying device are disposed below the substrate, wherein the source supplying device provides the evaporation source on the heater along a supply direction. In order to prevent the location of the evaporation source shifts along the supply direction from affecting the uniformity of deposited film, a circular trace is defined and the heater is disposed below the circular trace so that the supplying direction is parallel to the tangential direction of the circular trace.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: October 24, 2006
    Assignee: RiTdisplay Corporation
    Inventors: Chun-An Chen, Chi-Hsien Tuan