Having Diverse Electrical Device Patents (Class 438/23)
  • Patent number: 10425183
    Abstract: An optical transmission method includes outputting a first light based on a first electronic signal, outputting a second light based on a second electronic signal, and polarizing and combining the first light and the second light, and outputting the polarized and combined first and second lights to an optical fiber.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: September 24, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sanghwa Yoo, Sae-Kyoung Kang, Joon Ki Lee
  • Patent number: 10312315
    Abstract: A first organic resin layer is formed over a first substrate; a first insulating film is formed over the first organic resin layer; a first element layer is formed over the first insulating film; a second organic resin layer is formed over a second substrate; a second insulating film is formed over the second organic resin layer; a second element layer is formed over the second insulating film; the first substrate and the second substrate are bonded; a first separation step in which adhesion between the first organic resin layer and the first substrate is reduced; the first organic resin layer and a first flexible substrate are bonded with a first bonding layer; a second separation step in which adhesion between the second organic resin layer and the second substrate is reduced; and the second organic resin layer and a second flexible substrate are bonded with a second bonding layer.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: June 4, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakatsu Ohno, Hiroki Adachi, Satoru Idojiri, Koichi Takeshima
  • Patent number: 10304388
    Abstract: An organic light emitting display device includes a thin film transistor on a substrate including a display area having an inner light-emitting area and an outer light-emitting area and a peripheral area, a first conductive member connected to the thin film transistor, a first via insulation layer covering the first conductive member, a second conductive member on the first via insulation layer to overlap the outer light-emitting area and a part of the peripheral area, a second via insulation layer covering the second conductive member, a first electrode on the second via insulation layer to overlap the display area and a part of the peripheral area, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer. The second via insulation layer and the first electrode have a step structure between the inner and outer light-emitting areas.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeongho Lee, Dong-Hyun Lee, Yanghee Kim, Juncheol Shin, Hokyoon Kwon
  • Patent number: 10276641
    Abstract: The disclosure discloses a display panel and a display device. Since at least a part of the transparent areas includes the transparent auxiliary electrode electrically connected with the cathode in the adjacent pixel display area and extends to a top of the cathode auxiliary wire to be electrically connected with the cathode auxiliary wire, i.e., the cathode is electrically connected with the cathode auxiliary wire via the transparent auxiliary electrode, resistance of the cathode is reduced by the use of the transparent auxiliary electrode. Furthermore, since the transparent auxiliary electrode is arranged in a transparent area, neither the size of the at least one pixel display area is reduced, nor the transparent function of the transparent areas is affected.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: April 30, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Junhui Lou
  • Patent number: 10186559
    Abstract: An object of the invention is to provide an organic electroluminescence module having light-emitting units capable of keeping power consumption low and to provide an information device having such a module. The organic electroluminescence module of the invention includes a plurality of light-emitting units that are electrically connected to one another and each have a light-emitting region corresponding to a design to be displayed by light emission.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: January 22, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Seiji Ohashi, Natsuki Yamamoto
  • Patent number: 10153335
    Abstract: Provided are a manufacturing method of a transistor on color filter type organic light emitting display and a transistor on color filter type organic light emitting display. In the manufacturing method of a transistor on color filter type organic light emitting display, after preparing the color filter layer, by coating the zinc oxide solution mixed with lithium on the gate insulation layer in a spin coating manner to form a zinc oxide coating layer mixed with lithium and then, by annealing the zinc oxide coating layer mixed with lithium and patterning the zinc oxide coating layer mixed with lithium to form a channel layer, the process temperature can be as low as 200 Celsius degrees to satisfy the temperature condition of manufacturing the transistor on color filter type organic light emitting display and the operation is easy without using the expensive vacuum equipment.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 11, 2018
    Assignee: SHENZHEN CHINA STAR OPTELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Fangmei Liu, Xingyu Zhou
  • Patent number: 10153308
    Abstract: The present disclosure provides a method for manufacturing a thin film transistor comprising: forming a buffer layer, an oxide semiconductor layer, a gate insulating layer, and a gate electrode sequentially on a substrate, wherein on both sides of the first region of the oxide semiconductor layer are second regions where the gate electrode is exposed; forming an aluminum layer covering the buffer layer, the second regions of the oxide semiconductor layer and the gate electrode by a physical vapor deposition method, and annealing the aluminum layer, making the second regions of the oxide semiconductor layer being doped by aluminum ions to form conductor regions; etching the remaining aluminum layer after the annealing treatment; renovating the etched surfaces of the buffer layer, the gate electrode and the conductor regions, and oxidizing the conductor regions; stacking an insulating layer, and forming a source electrode and a drain electrode on the insulating layer.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 11, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Jinming Li
  • Patent number: 10153333
    Abstract: A method for manufacturing an OLED backplate and a method for manufacturing an OLED panel are provided. In the method for manufacturing the OLED backplate of the present disclosure, a protective photoresist layer is manufactured on a pixel defined layer in which the top surface thereof has a hydrophobic property and the side surfaces thereof have a hydrophilic property before an electrode layer is treated by an oxygen plasma to remove photoresist residues, thereby the top surface of the pixel defined layer covered by the protective photoresist layer is not affected by the oxygen plasma in the proceeding of an oxygen plasma treatment, and still has the hydrophobic property. Therefore, the properties of the top surface of the pixel defined layer having the hydrophobic property and the side surfaces of the pixel defined layer having the hydrophilic property are kept while the photoresist residues on the electrode layer is removed, and thus an OLED device can be easily manufactured by an ink-jet printing process.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: December 11, 2018
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Songshan Li
  • Patent number: 10083943
    Abstract: A method of manufacturing a light-emitting device includes steps of: preparing at least one substrate having a plurality of through holes; providing an electric wire on a rear surface side of the substrate so that a plurality of portions of the electric wire communicates with a front surface side of the substrate at the plurality of through holes of the substrate; and respectively mounting a plurality of light-emitting diodes to the respective portions of the electric wire that communicate with the front surface side of the substrate.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 25, 2018
    Assignee: NICHIA CORPORATION
    Inventors: Yukitoshi Marutani, Hiroto Tamaki, Tadaaki Miyata
  • Patent number: 9991285
    Abstract: Embodiments of mechanisms for forming a semiconductor device are provided. The semiconductor device includes a substrate. The semiconductor device also includes a first fin and a second fin over the substrate. The semiconductor device further includes a first gate electrode and a second gate electrode traversing over the first fin and the second fin, respectively. In addition, the semiconductor device includes a gate dielectric layer between the first fin and the first gate electrode and between the second fin and the second gate electrode. Further, the semiconductor device includes a dummy gate electrode over the substrate, and the dummy gate electrode is between the first gate electrode and the second gate electrode. An upper portion of the dummy gate electrode is wider than a lower portion of the dummy gate electrode.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: June 5, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Che-Cheng Chang, Chang-Yin Chen, Jr-Jung Lin, Chih-Han Lin, Yung-Jung Chang
  • Patent number: 9837641
    Abstract: A method of forming a thin film, the method including: disposing a resist portion on a substrate, the resist portion including: a first region including a first upper surface; and a second region including a second upper surface, the first upper surface disposed higher than the second upper surface and forming a step; disposing a first protection layer covering the resist portion; exposing the first upper surface; removing the first region; disposing a first thin film on the substrate; disposing a second protection layer covering the first thin film; exposing the second upper surface; removing the second region; disposing a second thin film on the substrate; and removing the first protection layer and the second protection layer.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hanjun Kim
  • Patent number: 9780304
    Abstract: The present invention discloses an array substrate, a method for ink jet printing thereon, an organic electroluminescent display, and a display panel. The array substrate comprises an active region which comprises a plurality of pixel regions arranged in an array, and a contact hole region which is arranged at an outer side of the active region and comprises a plurality of contact holes. An anti-overflow region comprising at least one pixel hole is arranged between the contact hole region and the active region. By means of the pixel hole in the anti-overflow region, during ink jet printing on the array substrate, the ink flowing from the active region to the contact hole region can be made to flow into the pixel hole in the anti-overflow region, thus alleviating the problem in which residual liquid in the contact holes of the contact hole region is difficult to clean up and thus leads to display defects.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: October 3, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hsiaowen Hung, Shinsuke Iguchi
  • Patent number: 9748439
    Abstract: An active matrix light emitting diodes display module integrated with single-walled carbon nanotubes control circuits includes a light emitting diode pixel having a crystalline semiconductor light emitting diode, single-walled carbon nanotubes switching transistors and a charge storage capacitor.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: August 29, 2017
    Assignee: ATOM NANOELECTRONICS, INC.
    Inventors: Huaping Li, Hongyu Liu
  • Patent number: 9627620
    Abstract: An organic light-emitting diode (OLED) display and a method of manufacturing the same are disclosed. In one aspect, the method includes performing a first mask process of forming an active layer of a thin-film transistor (TFT) and a first electrode of a capacitor over a substrate and performing a second mask process of i) forming a gate insulating layer and ii) forming a gate electrode of the TFT and a second electrode of the capacitor over the gate insulating layer. The method also includes performing a third mask process of i) forming first and second interlayer insulating layers and ii) removing portions of the first and second interlayer insulating layers so as to form a contact hole that exposes a portion of the active layer. The method also includes performing a fourth mask process of forming a pixel electrode over the second interlayer insulating layer.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: April 18, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Chungi You
  • Patent number: 9577193
    Abstract: A method of forming a thin film, the method including: disposing a resist portion on a substrate, the resist portion including: a first region including a first upper surface; and a second region including a second upper surface, the first upper surface disposed higher than the second upper surface and forming a step; disposing a first protection layer covering the resist portion; exposing the first upper surface; removing the first region; disposing a first thin film on the substrate; disposing a second protection layer covering the first thin film; exposing the second upper surface; removing the second region; disposing a second thin film on the substrate; and removing the first protection layer and the second protection layer.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hanjun Kim
  • Patent number: 9559316
    Abstract: A first organic resin layer is formed over a first substrate; a first insulating film is formed over the first organic resin layer; a first element layer is formed over the first insulating film; a second organic resin layer is formed over a second substrate; a second insulating film is formed over the second organic resin layer; a second element layer is formed over the second insulating film; the first substrate and the second substrate are bonded; a first separation step in which adhesion between the first organic resin layer and the first substrate is reduced; the first organic resin layer and a first flexible substrate are bonded with a first bonding layer; a second separation step in which adhesion between the second organic resin layer and the second substrate is reduced; and the second organic resin layer and a second flexible substrate are bonded with a second bonding layer.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: January 31, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Masakatsu Ohno, Hiroki Adachi, Satoru Idojiri, Koichi Takeshima
  • Patent number: 9541789
    Abstract: A method of fabricating a polarizing member includes: sequentially disposing a metal layer and a preliminary pattern layer on a base substrate including a display area and a non-display area; forming a patterned resin layer on the preliminary pattern layer in the display area, the patterned resin layer including patterns formed on a surface of the patterned resin layer; surface-treating the preliminary pattern layer and the patterned resin layer; forming a mask pattern including a photoresist material on the preliminary pattern layer disposed in the non-display area; forming preliminary patterns on the preliminary pattern layer using the patterned resin layer; and forming a wire grid polarizing unit in the display area by etching the metal layer using the preliminary pattern and the mask pattern as a polarizing pattern.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Hwan Jang, Kang-Soo Han, Jung-Gun Nam, Dae-Young Lee, Gug-Rae Jo
  • Patent number: 9466818
    Abstract: An organic light emitting diode display device comprises: first and second substrates facing and spaced apart from each other; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a plurality of pixel regions; at least one thin film transistor coupled to the gate line and the data line; a light emitting diode coupled to the at least one thin film transistor, the light emitting diode including a first electrode, an emitting layer and a second electrode; and a passivation layer on the light emitting diode, the passivation layer having a smaller area than the second electrode.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: October 11, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Hoon Shin, Myung-Seop Kim, Jun-Ho Lee
  • Patent number: 9401394
    Abstract: A display apparatus includes a plurality of pixels, a signal transmission line, a pad and a buffer. The pixels display an image. The signal transmission line is electrically connected to at least one of the pixels to transmit a signal. The pad is electrically connected to the signal transmission line. The pad has greater width than the signal transmission line. The buffer is disposed between the signal transmission line and the pad. A first end of the buffer adjacent to the pad is wider than a second end of the buffer adjacent to the signal transmission line.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: July 26, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Tae-Gon Kim
  • Patent number: 9331101
    Abstract: The present invention relates to an organic light emitting display panel and a method of manufacturing the same. In accordance with an aspect of the present invention, there is provided a display panel. The display panel in one example includes a light shielding layer electrically connected to a driving power line on a substrate, and storage capacitors formed on an oxide semiconductor in parallel, insulated from the oxide semiconductor, and overlapped a gate.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: May 3, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: JoongKeun Park, YoungHak Lee
  • Patent number: 9305964
    Abstract: A semiconductor structure includes an optoelectronic device located in one region of a substrate. A dielectric material is located adjacent and atop the optoelectronic device. A top contact is located within a region of the dielectric material and contacting a topmost surface of the optoelectronic device. A bottom metal contact is located beneath the optoelectronic device and lining a pair of openings located with other regions of the dielectric material, wherein a portion of the bottom metal contact contacts an entire bottommost surface of the optoelectronic device.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: April 5, 2016
    Assignee: International Business Machines Corporation
    Inventors: Effendi Leobandung, Ning Li, Tak H. Ning, Jean-Olivier Plouchart, Devendra K. Sadana
  • Patent number: 9293641
    Abstract: Inverted optical device. In accordance with an embodiment of the present invention, a plurality of piggyback substrates are attached to a carrier wafer. The plurality of piggyback substrates are dissimilar in composition to the carrier wafer. The plurality of piggyback substrates are processed, while attached to the carrier wafer, to produce a plurality of integrated circuit devices. A flip wafer is attached to the plurality of light emitting diodes, away from the carrier wafer and the carrier wafer is removed. The plurality of light emitting diodes may be singulated to form individual light emitting diode devices.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: March 22, 2016
    Assignee: Invensas Corporation
    Inventors: Ilyas Mohammed, Masud Beroz, Liang Wang
  • Patent number: 9291817
    Abstract: An optical deflecting device includes a mirror having a reflecting surface and a support unit to support the mirror. The support unit includes a first drive unit. The first drive unit includes a plurality of continuously meandering first beams and a plurality of first piezoelectric members respectively provided to the plurality of first beams to swing the mirror around a first axis to deflect light incident on the reflecting surface of the mirror. Two voltages having non-similar waveforms are respectively applied in parallel to each two of the first piezoelectric members respectively provided to adjacent two of the first beams.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: March 22, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Tsuyoshi Hashiguchi, Tomofumi Kitazawa, Goichi Akanuma
  • Patent number: 9231002
    Abstract: To provide a display device including a capacitor whose charge capacity is increased while improving the aperture ratio, provide a display device including a capacitor whose charge capacity can be increased while improving the transmittance of a pixel portion, and provide a display device which consumes low power, the display device includes a transistor including a first oxide semiconductor film in a channel formation region, a second oxide semiconductor film formed over a surface over which the first oxide semiconductor film is formed, a pixel electrode electrically connected to the transistor, and a light-transmitting capacitor in which a dielectric film is provided between two electrodes of a pair. One electrode corresponds to the second oxide semiconductor film, and the other electrode corresponds to the pixel electrode. The second oxide semiconductor film has a smaller thickness than the first oxide semiconductor film.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: January 5, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yoshiaki Oikawa, Kenichi Okazaki
  • Patent number: 9166203
    Abstract: A method of fabricating a display substrate includes forming a gate electrode on a substrate, forming a gate insulating layer to cover the gate electrode, forming an active layer on the gate insulating layer, forming a metal layer on the active layer, forming a first mask pattern on the metal layer to face a first region of the active layer, forming a second mask pattern on the metal layer to face a second region and a third region of the active layer, etching the metal layer and the active layer using the first and second mask patterns as an etch mask to form a metal pattern and an active pattern, removing the first mask pattern, and etching the metal pattern using the second mask pattern as an etch mask to form a source electrode and a drain electrode.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: October 20, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Woo-Seok Jeon
  • Patent number: 9153700
    Abstract: A method of manufacturing a thin-film transistor includes: forming an oxide semiconductor pattern including a first region and a second region on a substrate; forming an insulation film on the substrate to cover the oxide semiconductor pattern; removing the insulation film on the second region through patterning; increasing carrier density of the first region of the oxide semiconductor pattern through an annealing process; forming a gate electrode on the insulation film so that the gate electrode is insulated from the oxide semiconductor pattern and overlaps the second region; and forming a source electrode and a drain electrode to be insulated from the gate electrode and contact the first region.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: October 6, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hui-Won Yang, Chaun-Gi Choi
  • Patent number: 9119313
    Abstract: Embodiments of the present disclosure are directed towards techniques and configurations for interconnect structures embedded in a package assembly including a bridge. In one embodiment, a package assembly may include a package substrate, a bridge embedded in the package substrate and including a bridge substrate, and an interconnect structure including a via extending through the package substrate into a surface of the bridge substrate and configured to interface with a conductive feature disposed on or beneath the surface of the bridge substrate. The interconnect structure may be configured to route electrical signals between the conductive feature and a die mounted on the package substrate. Other embodiments may be described and/or claimed.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: August 25, 2015
    Assignee: INTEL CORPORATION
    Inventors: Chong Zhang, Stefanie M. Lotz, Islam A. Salama
  • Publication number: 20150144923
    Abstract: An OLED display device includes a first oxide semiconductor layer including first to fourth regions; a first gate electrode on a first insulating layer and the first oxide semiconductor layer, and completely overlapping the first region; a first storage electrode extending from the first gate electrode and overlapping the second region; a second insulating layer covering the first gate electrode and the first storage electrode and exposing the third and fourth regions; first source and drain electrodes on the second insulating layer and contacting the third and fourth regions; and an emitting diode connected to the first drain electrode, wherein a portion of the second region at an edge of the first storage electrode except a center of the first storage electrode is conductive to form a second storage electrode, and the first and second storage electrodes and the first insulating layer constitute a first storage capacitor.
    Type: Application
    Filed: November 25, 2014
    Publication date: May 28, 2015
    Inventors: Kyo-Seop CHOO, Jong-Uk BAE, Bo-Kyoung CHO
  • Publication number: 20150144943
    Abstract: An array substrate includes: a substrate; a thin film transistor including a gate electrode, an oxide semiconductor layer and source and drain electrodes, wherein a first insulating layer of an inorganic insulating material is disposed between the gate electrode and the oxide semiconductor layer, and wherein a second insulating layer of an inorganic insulating material is disposed between the oxide semiconductor layer and the source and drain electrodes; a passivation layer on the thin film transistor; a first electrode on the passivation layer in the pixel region; and a first hydrogen absorbing layer on at least one of top and bottom surfaces of the first insulating layer, top and bottom surfaces of the second insulating layer and top and bottom surfaces of the passivation layer, the first hydrogen absorbing layer including plurality of particles spaced apart from each other and including one of nickel, palladium and platinum.
    Type: Application
    Filed: November 11, 2014
    Publication date: May 28, 2015
    Inventors: Hyun-Sik SEO, Kyung-Han SEO
  • Publication number: 20150144916
    Abstract: The present invention is a method of manufacturing an organic EL display device including a display part arranged with a plurality of pixels including an organic EL light emitting layer, and a terminal part arranged with a plurality of terminals each connected to the organic EL light emitting layer respectively, the method comprising forming a TFT drive circuit layer controlling the organic EL light emitting layer and forming the plurality of terminals connected to the TFT drive circuit layer on a first substrate; forming the organic EL light emitting layer connected to the TFT drive circuit layer over the TFT drive circuit layer; forming a sealing film over the organic EL light emitting layer; adhering a second substrate covering the display part in a position corresponding to the first substrate; forming a touch panel sensor substrate and an electrode layer over the second substrate; and exposing the plurality of terminals by etching a part of the sealing film.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 28, 2015
    Inventors: Hiroki OHARA, Toshihiro SATO
  • Publication number: 20150144912
    Abstract: Provided are an organic light emitting display apparatus and a method of manufacturing the same. The organic light emitting display apparatus includes: a thin film transistor (TFT) substrate including a plurality of thin film transistors, an organic light-emissive device on the TFT substrate, and an encapsulation layer on the TFT substrate and the organic light-emissive device, the encapsulation layer being configured to cover the organic light-emissive device, the encapsulation layer including a hybrid material including: a block copolymer, and functionalized graphene.
    Type: Application
    Filed: November 17, 2014
    Publication date: May 28, 2015
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Jong Hyun Park
  • Publication number: 20150144872
    Abstract: A semiconductor device includes a substrate supporting a plurality of layers that include at least one modulation doped quantum well (QW) structure offset from a quantum dot in quantum well (QD-in-QW) structure. The modulation doped QW structure includes a charge sheet spaced from at least one QW by a spacer layer. The QD-in-QW structure has QDs embedded in one or more QWs. The QD-in-QW structure can include at least one template/emission substructure pair separated by a barrier layer, the template substructure having smaller size QDs than the emission substructure. A plurality of QD-in-QW structures can be provided to support the processing (emission, absorption, amplification) of electromagnetic radiation of different characteristic wavelengths (such as optical wavelengths in range from 1300 nm to 1550 nm).
    Type: Application
    Filed: November 20, 2014
    Publication date: May 28, 2015
    Applicants: Opel Solar, Inc., The University of Connecticut
    Inventor: Geoff W. Taylor
  • Publication number: 20150147831
    Abstract: Provided is a method of manufacturing an organic light emitting display device. The method includes: providing a first substrate including: a display portion, and a non-display portion, forming a thin film transistor (TFT) and an organic light emitting diode (OLED) in the display portion of the first substrate, providing a pad portion including: at least one pad contact portion at the non-display portion and electrically connected to the TFT, and a pad insulating portion between adjacent pad contact portions, providing an anti-moisture insulation layer entirely covering the first substrate, adhering an encapsulating substrate onto the anti-moisture insulation portion in correspondence with the display portion, and removing the anti-moisture insulation layer, at the pad contact portion, using a laser.
    Type: Application
    Filed: November 26, 2014
    Publication date: May 28, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Seung Hyun Lee, Hang Sup Cho, Tae Hyung Lee, Yong Woo Yoo
  • Patent number: 9040320
    Abstract: A manufacturing method of an organic light emitting display device is disclosed which includes: forming a thin film transistor on each sub-pixel region which is defined in a substrate; forming a passivation layer on the substrate provided with the thin film transistor; forming a first electrode of an organic light emitting diode in each sub-pixel region of the passivation layer; forming a bank pattern in boundaries of the sub-pixel region of the passivation layer; forming a photoresist pattern, which exposes a first sub-pixel region, on the bank pattern; forming an organic light emission layer on the first electrode within the first sub-pixel region and an organic material layer on the photoresist pattern by depositing an organic material on the entire surface of the substrate provided with the photoresist pattern; and removing the photoresist pattern and the organic material pattern using a detachment film.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: May 26, 2015
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae Hyun Park, Jin Wuk Kim, Wy Yong Kim
  • Publication number: 20150137090
    Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate, a thin film transistor (TFT) formed over the substrate, and a first pixel defining layer formed over the TFT and having an opening. The OLED display also includes an insulating layer formed in the opening and including a top surface having a dome shape and an OLED formed over the insulating layer.
    Type: Application
    Filed: August 18, 2014
    Publication date: May 21, 2015
    Inventors: A-Rong LEE, Young-ll Kim, Eui-Gyu Kim
  • Publication number: 20150137098
    Abstract: A display device according to the present disclosure includes: a first substrate including a front surface and a rear surface, the front surface defining thereon a first region, a second region, and a third region, the rear surface defining thereon a fourth region, a fifth region, and a sixth region respectively opposing the first region, the second region and the third region; a display element provided on the first region; a wire provided on the second region and electrically connected to the display element; a driving element provided above the third region; and a second substrate provided to be in contact with the fourth region, the fifth region, and the six region, and being composed of a material with higher rigidity than the first substrate, a portion thereof in contact with the sixth region having a smaller thickness than a portion thereof in contact with the fourth region.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 21, 2015
    Inventor: YUJI TANAKA
  • Publication number: 20150138469
    Abstract: A display device is provided. The display device includes a substrate including a plurality of pixel areas; a thin film transistor disposed on the substrate; a first insulating layer disposed on the thin film transistor; a pixel electrode connected to the thin film transistor and disposed on the first insulating layer; a common electrode separated from the pixel electrode with a microcavity interposed therebetween; a second insulating layer disposed on the common electrode; a roof layer disposed on the second insulating layer; a hydrophobic layer disposed on the roof layer and including a plurality of protrusions; an injection hole disposed in the common electrode, the second insulating layer, and the roof layer, the injection hole exposing a portion of the microcavity; a liquid crystal layer for filling the microcavity; and an overcoat formed on the roof layer and covering the injection hole, so as to seal the microcavity.
    Type: Application
    Filed: April 29, 2014
    Publication date: May 21, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Tae Gyun KIM, Hyoung Sub LEE, Tae Woon CHA, Woo Yong SUNG
  • Publication number: 20150140699
    Abstract: A method of forming an oxide semiconductor device may be provided. In the method, a substrate comprising a first major surface and a second major surface that faces away from the first major surface may be provided. An oxide semiconductor device may be formed over the first major surface to provide an intermediate device, and the semiconductor device may comprise an oxide active layer. The intermediate device may be subjected to ultraviolet (UV) light (e.g., ultraviolet ray irradiation process) for a first period, and subjected to heat (e.g., thermal treatment process) for a second period. The first and second periods may at least partly overlap.
    Type: Application
    Filed: August 8, 2014
    Publication date: May 21, 2015
    Inventors: Yeon-Hong Kim, Byung-Du AHN, Hyeon-Sik KIM, Yeon-Gon MO, Ji-Hun LIM, Hyun-Jae KIM
  • Publication number: 20150137085
    Abstract: Provided is an organic EL device having high reliability, wherein decrease of the luminance due to the generation of a gas such as water vapor is suppressed. This organic EL device is provided with: an interlayer insulating film that is formed on a substrate; a lower electrode that is formed above the interlayer insulating film so as to correspond to a light emitting region; a light emitting layer that is formed on the lower electrode in the light emitting region; and an upper electrode that is formed on the light emitting layer. A gap is formed between the interlayer insulating film and the lower electrode.
    Type: Application
    Filed: April 19, 2013
    Publication date: May 21, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Satoshi Inoue
  • Publication number: 20150137097
    Abstract: An organic light-emitting diode (OLED) display and a method of manufacturing the OLED display are disclosed. In one aspect, the OLED display includes a substrate including a display region and a peripheral region, a first auxiliary electrode formed in the peripheral region, and a protecting electrode. The protecting electrode can be formed in the display region and the peripheral region, wherein at least a portion of the protecting electrode can be formed above the first auxiliary electrode.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 21, 2015
    Inventors: Jong-Hyun Choi, Shin-Moon Kang
  • Publication number: 20150129836
    Abstract: Photonic devices monolithically integrated with CMOS are disclosed, including sub-100 nm CMOS, with active layers comprising acceleration regions, light emission and absorption layers, and optional energy filtering regions. Light emission or absorption is controlled by an applied voltage to deposited films on a pre-defined CMOS active area of a substrate, such as bulk Si, bulk Ge, Thick-Film SOI, Thin-Film SOI, Thin-Film GOI.
    Type: Application
    Filed: December 17, 2014
    Publication date: May 14, 2015
    Inventor: Carlos J.R.P. Augusto
  • Publication number: 20150129842
    Abstract: The present invention provides a method for manufacturing an organic electroluminescence device and an organic electroluminescence device manufactured with the same. The method includes (1) providing a substrate (20); (2) forming a first electrode (21) on the substrate (20); (3) forming a gate insulation layer (22) on the first electrode (21) and the substrate (20); (4) forming a second electrode (23) on the gate insulation layer (22), where the second electrode (23) includes a second metal layer (224) and a transparent conductive layer (222); (5) forming an oxide semiconductor layer (24) on the second electrode (23) and the gate insulation layer (22); (6) forming an organic planarization layer (25) on the oxide semiconductor layer (24) and the second electrode (23); (7) with the organic planarization layer (25) serving as a mask, etching the second metal layer (224) of the second electrode (23) to expose the transparent conductive layer (222) so as to form a transparent electrode (26).
    Type: Application
    Filed: November 26, 2013
    Publication date: May 14, 2015
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Baixiang Han
  • Publication number: 20150131017
    Abstract: A display apparatus includes a first substrate that includes a display area in which pixels are arranged and a non-display area surrounding the display area, a second substrate disposed to face the first substrate, and a sealing member disposed in the non-display area to attach the second substrate to the first substrate. The first substrate includes a base substrate, a plurality of inorganic insulating layers disposed on the base substrate in the non-display area, and an organic layer disposed on the inorganic insulating layer.
    Type: Application
    Filed: May 2, 2014
    Publication date: May 14, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sungin RO, HyunWuk KIM, Ock Soo SON, Jeanho SONG, Eunje JANG
  • Publication number: 20150129941
    Abstract: In various embodiments, a method for forming a device may be provided. The method may include forming a contact layer at least partially on a substrate. The method may also include forming a device structure adhered to the contact layer. In addition, the method may include depositing a transfer medium such that the device structure is at least partially covered by the transfer medium. The method may further include solidifying the transfer medium. The method may also include separating the contact layer, the device structure and the transfer medium from the substrate. The contact layer may have a greater adhesion to the device structure than to the substrate.
    Type: Application
    Filed: May 14, 2013
    Publication date: May 14, 2015
    Inventors: Qing Zhang, Pingqi Gao
  • Publication number: 20150132871
    Abstract: An oxide semiconductor device includes a gate electrode on a substrate, a gate insulation layer on the substrate, the gate insulation layer having a recess structure over the gate electrode, a source electrode on a first portion of the gate insulation layer, a drain electrode on a second portion of the gate insulation layer, and an active pattern on the source electrode and the drain electrode, the active pattern filling the recess structure.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 14, 2015
    Inventors: Seong-Min Wang, Ki-Wan Ahn, Joo-Sun Yoon, Ki-Hong Kim
  • Publication number: 20150125972
    Abstract: Disclosed is a flexible display device and method of manufacturing the same in which a method of manufacturing a flexible display device may include forming a sacrificial layer on a support substrate, the sacrificial layer including at least one barrier layer and a separation layer, the barrier layer having a higher hydrogen content than that of the separation layer; forming a first flexible substrate on the support substrate provided with the sacrificial layer; forming a plurality of device elements on the first flexible substrate; and irradiating a laser onto the sacrificial layer through the support substrate and separating the support substrate from the first substrate.
    Type: Application
    Filed: November 3, 2014
    Publication date: May 7, 2015
    Inventors: Yong Woo YOO, Seung Hyun LEE
  • Publication number: 20150123107
    Abstract: Provided are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device includes: an emission unit including an organic light emitting diode, a pixel circuit unit including: a circuit configured to drive the emission unit, and a line configured to apply a signal to the circuit, and a light blocking layer covering the pixel circuit unit, and configured to block light input to the pixel circuit unit, and a repair part disposed in the light blocking layer, the repair part being configured for repairing the line when a defect occurs in a pixel that includes the pixel circuit unit.
    Type: Application
    Filed: November 6, 2014
    Publication date: May 7, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Hee Dong Choi, Sung Jin Hong, Soon Il Yun, Il Gi Jeong, Joong Sun Yoon, Kyungsu Lee, Seung-Yong Yang
  • Publication number: 20150125973
    Abstract: An organic light emitting diode (OLED) display and a method for manufacturing the same are described. An exemplary embodiment provides an OLED display including: a substrate including a plurality of pixel areas; a light emitting unit including an organic light emitting diode and a plurality of first thin film transistors, the light emitting unit being formed in each of the plurality of pixel areas; and a sensor unit including a photosensor and a plurality of second thin film transistors, the sensor unit being formed in at least some of the plurality of pixel areas. Each of the plurality of first thin film transistors and the plurality of second thin film transistors includes an oxide semiconductor layer, and the photosensor includes an oxide photoelectric conversion layer that are made of a same material on a same layer as the oxide semiconductor layer.
    Type: Application
    Filed: January 12, 2015
    Publication date: May 7, 2015
    Inventor: Woong-Sik Choi
  • Patent number: 9024305
    Abstract: An organic light emitting diode display includes a substrate, a planarization layer disposed on the substrate, a first electrode disposed on the planarization layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein an uneven pattern is formed on a top surface of the planarization layer, the uneven pattern comprises a strip line having a plurality of thicknesses and widths, and a thickness of the strip line becomes smaller as a distance from a center portion of the first electrode becomes larger.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Beom Choi, Hwa-Jin Noh, Hyoung-Min Park, Yong-Woo Park
  • Publication number: 20150115253
    Abstract: The organic light emitting display device includes a flexible substrate, a thin-film transistor on the flexible substrate, a first anode on the thin-film transistor, a second anode on the same plane with the first anode and spaced apart from the first anode so as to surround the first anode, an organic light emitting layer on the first anode and the second anode, and a cathode on the organic light emitting layer. The second anode includes an opening where the first anode is encompassed therein. The shape of the first anode and the second anode and arrangement thereof reduces a segment length of an anode in a bending direction of the organic light emitting display device, and, thus, occurrence of cracks in the anode can be minimized.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 30, 2015
    Inventors: Anna HA, Chanwoo LEE, Sangcheon YOUN