Patents by Inventor Ha-jin Song

Ha-jin Song 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: 8921843
    Abstract: A full color light emitting device having a reduced driving voltage includes a substrate having a first subpixel, a second subpixel, and a third subpixel. A plurality of first electrodes are in the first subpixel, the second subpixel, and the third subpixel. A second electrode faces the first electrode. An emission layer is between the first electrode and the second electrode. The emission layer includes a first emission layer in the first subpixel for emitting a first color light in the first subpixel, a second emission layer in the first subpixel for emitting a second color light in the second subpixel, and a third emission layer in the first subpixel, the second subpixel and the third subpixel, for emitting a third color light in the third subpixel.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: December 30, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ha-Jin Song, Se-Hun Kim, Dae-Yup Shin, Sang-Woo Lee, Sang-Woo Pyo, Byeong-Wook Yoo, Ji-Young Kwon, Bum-Suk Lee, Ji-Myoung Ye, Ji-Hwan Yoon
  • Publication number: 20140374705
    Abstract: Organic light-emitting display device and method of manufacturing the same are provided. Here, the organic light-emitting display device includes a substrate which has a first area and a second area, a first electrode which is on each of the first area and the second area of the substrate, a plurality of emitting layers on the first electrode and including a first emitting layer on the first area and a second emitting layer on the second area, a second electrode on the emitting layers, a capping layer on the second electrode, and a refractive pattern on the capping layer, wherein the refractive pattern is on at least one of the first area and the second area.
    Type: Application
    Filed: November 7, 2013
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ha Jin Song, Ji Young Kwon, Yi Seul Kim, Ji Myoung Ye, Byeong Wook Yoo, Bum Suk Lee
  • Patent number: 8906735
    Abstract: A donor substrate includes a base layer, a light to heat conversion layer on the base layer, an interlayer on the light to heat conversion layer, a low molecular weight transfer layer on the interlayer and an organic transfer layer on the low molecular weight transfer layer. The low molecular weight transfer layer includes an element in Group I or a compound of elements in Group I and Group VII.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: December 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ha-Jin Song, Sang-Woo Pyo, Byeong-Wook Yoo, Hyo-Yeon Kim, Ji-Young Kwon, Kwan-Hee Lee
  • Patent number: 8907332
    Abstract: An organic light emitting display device includes a substrate including first, second and third sub-pixel regions, a first electrode formed in each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region of the substrate, a first light emitting layer formed on the first electrode of each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region, spacer layers formed on the first light emitting layer of the first sub-pixel region and the second sub-pixel region and including a material of the first light emitting layer, a second light emitting layer formed on the spacer layer of the first sub-pixel region, a third light emitting layer formed on the spacer layer of the second sub-pixel region, and a second electrode formed on the first light emitting layer, the second light emitting layer, and the third light emitting layer.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: December 9, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji-Myoung Ye, Ha-Jin Song, Byeong-Wook Yoo, Bum-Suk Lee, Ji-Young Kwon
  • Patent number: 8871543
    Abstract: An organic layer forming apparatus includes a donor film supply part configured to supply a donor film. The donor film includes a base substrate, a transfer layer disposed on the base substrate, and a protective film disposed on the transfer layer. The apparatus also includes a protective film withdrawal part configured to remove the protective film from the donor film, a transfer printing process part configured to transfer the transfer layer of the donor film onto a transfer substrate to form a first organic layer, a first deposition part configured to form a second organic layer on the transfer layer through a first deposition process, a second deposition part configured to form a third organic layer on the transfer layer through a second deposition process, and a donor film withdrawal part configured to withdraw the donor film.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Woo Lee, Kyul Han, Hye-Yeon Shim, Hyo-Yeon Kim, Heun Seung Lee, Ha Jin Song, Ji Hwan Yoon
  • Publication number: 20140295085
    Abstract: A method for manufacturing a donor substrate according to an exemplary embodiment of the present invention includes: providing a base member; forming a coating layer on one surface of the base member; hardening the coating layer; and detaching the coating layer from the base member.
    Type: Application
    Filed: July 12, 2013
    Publication date: October 2, 2014
    Inventors: Ji-Myoung YE, Sang-Woo PYO, Ji-Hwan YOON, Ha-Jin SONG, Byeong-Wook YOO, Bum-Suk LEE, Ji-Young KWON
  • Publication number: 20140291627
    Abstract: An organic light-emitting display device, a method of manufacturing the same, and a donor substrate and a donor substrate set used to manufacture the organic light-emitting display device.
    Type: Application
    Filed: August 13, 2013
    Publication date: October 2, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyo Yeon Kim, Ha Jin Song, Sang Woo Lee, Hye Yeon Shim, Heun Seung Lee, Kyul Han, Ji Hwan Yoon
  • Publication number: 20140284566
    Abstract: An organic light-emitting device including a first light-emitting region, a second light-emitting region, and a third light-emitting region. The organic light-emitting device includes a substrate; a first electrode layer on the substrate; a hole injection layer on the first electrode layer; a common emission layer on the hole injection layer; a first resonance assistance layer on the common emission layer in the first light-emitting region and a second resonance assistance layer on the common emission layer in the second light-emitting region.
    Type: Application
    Filed: September 14, 2013
    Publication date: September 25, 2014
    Inventors: Byeong-Wook Yoo, Sang-Woo Pyo, Ha-Jin Song, Hyo-Yeon Kim, Hye-Yeon Shim, Ji-Young Kwon, Heun-Seung Lee, Ji-Hwan Yoon
  • Publication number: 20140231760
    Abstract: An organic light emitting display device includes a substrate including first, second and third sub-pixel regions, a first electrode formed in each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region of the substrate, a first light emitting layer formed on the first electrode of each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region, spacer layers formed on the first light emitting layer of the first sub-pixel region and the second sub-pixel region and including a material of the first light emitting layer, a second light emitting layer formed on the spacer layer of the first sub-pixel region, a third light emitting layer formed on the spacer layer of the second sub-pixel region, and a second electrode formed on the first light emitting layer, the second light emitting layer, and the third light emitting layer.
    Type: Application
    Filed: July 10, 2013
    Publication date: August 21, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Myoung Ye, Ha-Jin Song, Byeong-Wook Yoo, Bum-Suk Lee, Ji-Young Kwon
  • Patent number: 8809842
    Abstract: In a donor film, an organic light emitting diode display manufacturing method using the same, and an organic light emitting diode display manufactured by using the method, the donor film includes a donor substrate and a transfer layer formed on the donor substrate. The donor substrate includes a base film, a light-to-heat conversion (LTHC) layer disposed on the base film, and a curved interlayer film provided on the light-to-heat conversion layer and having a wrinkled side. The transfer layer includes an organic emission layer which is formed so as to be curved along a shape of the wrinkled side of the curved interlayer film.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ha-Jin Song, Sang-Woo Pyo, Byeong-Wook Yoo, Hyo-Yeon Kim, Ji-Young Kwon, Hye-Yeon Shim, Kwan-Hee Lee
  • Publication number: 20140225074
    Abstract: A donor film includes a base film including a first area and a second area surrounding the first area, the second area having an organic material binding property that is different from an organic material binding property of the first area, a light-to-heat conversion pattern on the base film at the first area, a reflection layer on the base film at the second area, and a transfer layer on the light-to-heat conversion pattern and the reflection layer.
    Type: Application
    Filed: July 16, 2013
    Publication date: August 14, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyo Yeon Kim, Ha-Jin Song, Sang-Woo Lee, Hye-Yeon Shim, Heun-Seung Lee, Kyul Han, Sang-Woo Pyo
  • Publication number: 20140217367
    Abstract: A full color light emitting device having a reduced driving voltage includes a substrate having a first subpixel, a second subpixel, and a third subpixel. A plurality of first electrodes are in the first subpixel, the second subpixel, and the third subpixel. A second electrode faces the first electrode. An emission layer is between the first electrode and the second electrode. The emission layer includes a first emission layer in the first subpixel for emitting a first color light in the first subpixel, a second emission layer in the first subpixel for emitting a second color light in the second subpixel, and a third emission layer in the first subpixel, the second subpixel and the third subpixel, for emitting a third color light in the third subpixel.
    Type: Application
    Filed: June 19, 2013
    Publication date: August 7, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ha-Jin Song, Se-Hun Kim, Dae-Yup Shin, Sang-Woo Lee, Sang-Woo Pyo, Byeong-Wook Yoo, Ji-Young Kwon, Bum-Suk Lee, Ji-Myoung Ye, Ji-Hwan Yoon
  • Publication number: 20140203256
    Abstract: An organic light emitting display device includes a first electrode, a second electrode facing the first electrode, an organic light emitting layer disposed between the first and second electrodes, a first auxiliary structure and a second auxiliary structure both of which are disposed between the first and second electrodes. The first electrode is disposed on a substrate having a first sub-pixel region, a second sub-pixel region and a third sub-pixel region. The organic light emitting layer includes a first organic light emitting layer, a second organic light emitting layer and a third organic light emitting layer. The first auxiliary structure includes a first doping pattern, a first resonance auxiliary pattern, a second doping pattern and a second resonance auxiliary pattern. The second auxiliary structure includes a third doping pattern, a third resonance auxiliary pattern, a fourth doping pattern and a fourth resonance auxiliary pattern.
    Type: Application
    Filed: December 19, 2013
    Publication date: July 24, 2014
    Inventors: Sang-Woo Pyo, Ji-Hwan Yoon, Ha-Jin Song, Byeong-Wook Yoo, Hyo-Yeon Kim
  • Publication number: 20140175391
    Abstract: An organic light emitting diode display includes: a substrate; a thin film transistor provided on the substrate; a first electrode connected to the thin film transistor; an organic emission layer provided on the first electrode; an interlayer provided on the organic emission layer; an electron auxiliary layer provided on the interlayer and including an electron injection layer (EIL) and an electron transport layer (ETL); and a second electrode provided on the electron auxiliary layer, wherein the interlayer is made by mixing a material of the electron auxiliary layer.
    Type: Application
    Filed: June 13, 2013
    Publication date: June 26, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ha-Jin Song, Sang-Woo PYO, Byeong-Wook Yoo, Ji-Young Kwon, Bum-Suk Lee, Ji-Myoung Ye, Ji-Hwan Yoon
  • Publication number: 20140154825
    Abstract: A first conductive member is positioned on a base substrate. A second conductive member is positioned on the first conductive member, the second conductive member being electrically coupled to the first conductive member, and having a resistivity higher than that of the first conductive member. A mask substrate is positioned on the second conductive member. A portion of the mask substrate that contacts the second conductive member is removed .
    Type: Application
    Filed: August 7, 2013
    Publication date: June 5, 2014
    Inventors: Hyo Yeon Kim, Ha-Jin Song, Sang-Woo Lee, Hye-Yeon Shim, Heun-Seung Lee, Kyul Han, Sang-Woo Pyo
  • Patent number: 8728704
    Abstract: A donor substrate includes a base substrate, a light to heat conversion layer, a buffer layer and a transfer layer. The light to heat conversion layer may be disposed on the base substrate. The buffer layer may be disposed on the light to heat conversion layer. The buffer layer may include at least one porous layer having a plurality of pores. The transfer layer may be disposed on the buffer layer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 20, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Woo Pyo, Ha-Jin Song, Byeong-Wook Yoo, Hyo-Yeon Kim, Kwan-Hee Lee
  • Publication number: 20140127843
    Abstract: An organic layer forming apparatus includes a donor film supply part configured to supply a donor film. The donor film includes a base substrate, a transfer layer disposed on the base substrate, and a protective film disposed on the transfer layer. The apparatus also includes a protective film withdrawal part configured to remove the protective film from the donor film, a transfer printing process part configured to transfer the transfer layer of the donor film onto a transfer substrate to form a first organic layer, a first deposition part configured to form a second organic layer on the transfer layer through a first deposition process, a second deposition part configured to form a third organic layer on the transfer layer through a second deposition process, and a donor film withdrawal part configured to withdraw the donor film.
    Type: Application
    Filed: June 5, 2013
    Publication date: May 8, 2014
    Inventors: Sang Woo Lee, Kyul Han, Hye-Yeon Shim, Hyo-Yeon Kim, Heun Seung Lee, Ha Jin Song, Ji Hwan Yoon
  • Publication number: 20140124126
    Abstract: A device for manufacturing a donor substrate, the device including a film supply unit for supplying a flexible base film in a supply direction, a film guide unit at a front of the film supply unit in the supply direction for supporting the base film and for guiding the base film in the supply direction, a frame transferring unit at the front of the supply direction and for providing a support frame configured to be coupled to the base film and for transferring the frame while contacting a first side of the base film, and a heating unit facing the frame transferring unit with the base film therebetween for heating and for pressurizing a part of the base film contacting the support frame.
    Type: Application
    Filed: June 12, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo-Yeon Kim, Ha-Jin Song, Byeong-Wook Yoo, Sang-Woo Pyo, Kwan-Hee Lee, Hye-Yeon Shim, Ji-Young Kwon
  • Publication number: 20140124758
    Abstract: An organic light emitting diode display includes a red pixel, a green pixel, and a blue pixel, each pixel including a pixel electrode, a hole supplementary layer on the pixel electrode, a blue organic emission layer on the hole supplementary layer, a first buffer layer on the blue organic emission layer, an electron supplementary layer on the first buffer layer, and a common electrode on the electron supplementary layer, the red pixel and the green pixel further include a red resonance auxiliary layer and a green resonance auxiliary layer respectively on the first buffer layer, a red organic emission layer and a green organic emission layer respectively on the red resonance auxiliary layer and the green resonance auxiliary layer, and a second buffer layer on the red organic emission layer and the green organic emission layer.
    Type: Application
    Filed: September 12, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong-Wook YOO, Sang-Woo PYO, Ha-Jin SONG, Hyo-Yeon KIM, Hye-Yeon SHIM, Ji-Young KWON
  • Publication number: 20140027732
    Abstract: An organic light-emitting device and an organic light-emitting display apparatus including the same are provided. The organic light-emitting device comprises pixels, each pixel comprising three sub-pixels, each sub-pixel comprising a layered structure, the individual layers comprising organic compounds. The layered structure can comprise organic light emission layers, resonance auxiliary layers that provide a thickness allowing the establishment of microcavity effects that increase luminance, and layers that facilitate electron transfer between the electrodes and the organic emission layers, such as doping auxiliary layers, hole injection layers, hole transport layers, electron injection layers and electron transport layers.
    Type: Application
    Filed: February 22, 2013
    Publication date: January 30, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Woo PYO, Ha-Jin SONG, Byeong-Wook YOO, Hyo-Yeon KIM, Kwan-Hee LEE, Hye-Yeon SHIM, Ji-Young KWON