Plural Layers Patents (Class 313/506)
  • Patent number: 10333097
    Abstract: An OLED display device includes an assisting conductive layer formed on a bottom surface of an upper substrate in such a way that the assisting conductive layer is in direct contact with and electrically connected to a second electrode that is located on a top surface of a lower substrate so that electrical conduction capability of the second electrode is enhanced and the electrical resistance of the second electrode is reduced to thereby make in-plane voltage homogenous, improve consistency of displaying, and alleviate the issues of non-uniform panel brightness and mura and also help reduce the thickness of the second electrode for saving material of the second electrode and increase light transparency of the second electrode.
    Type: Grant
    Filed: May 20, 2018
    Date of Patent: June 25, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenhui Li, Wen Shi
  • Patent number: 10334692
    Abstract: A display unit of the present disclosure includes: a plurality of pixels configured to emit emission light different from one another; and an insulating film provided between the plurality of pixels and having a reflective surface with respect to the emission light, in which an angle of the reflective surface of the insulating film is set for each of the pixels.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: June 25, 2019
    Assignee: Sony Corporation
    Inventor: Koji Kikuchi
  • Patent number: 10333066
    Abstract: A pixel circuit, driving method thereof, organic light-emitting display panel and display apparatus, comprise driving transistor, first storage capacitor, collecting unit, writing unit and light-emitting unit; the collecting unit is used for collecting the threshold voltage of the driving transistor and storing the threshold voltage into the first storage capacitor, under the control of the first scan signal; the writing unit is used for storing the data voltage inputted from the input terminal for the data voltage under the control of the second scan signal; and the light-emitting unit is used for emitting lights, driven by the data voltage and a voltage inputted from the input terminal for the controllable low voltage, under the control of the light-emitting control signal. Thus, the organic light-emitting device is not affected by the threshold voltage shift of the driving transistor, which may enhance the image uniformity of the organic light-emitting display panel effectively.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 25, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenjun Hou, Ze Liu
  • Patent number: 10326105
    Abstract: The present disclosure provides a packaging assembly and a manufacturing method thereof. The packaging assembly comprising a first substrate, a second substrate arranged opposite to the first substrate, an electronic device located between the first substrate and the second substrate, a protective layer covering the electronic device, and a bonding layer for bonding the first substrate and the second substrate so as to realize surface-to-surface packaging. The packaging assembly further comprising an isolation layer located between the bonding layer and the protective layer and adhered to both them, wherein an adhesion force between the material for forming the isolation layer and that for forming the bonding layer is smaller than an adhesion force between the material for forming the protective layer and that for forming the bonding layer.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: June 18, 2019
    Assignee: BOE TECHNOOGY GROUP CO., LTD.
    Inventor: Chengyuan Luo
  • Patent number: 10326094
    Abstract: Disclosed is an electroluminescent display device that may include a substrate, a first bank layer for defining a light-emission area on the substrate, a first electrode on the light-emission area of the substrate, and a light emitting layer on the first electrode, wherein an end of the first electrode faces an end of the first bank layer.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 18, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: SeungHan Paek, Jeongwon Lee, Jonghoon Yeo, Jihoon Lee
  • Patent number: 10325973
    Abstract: A display unit includes a light emitting layer including a light emitting device; a color filter layer including a color filter corresponding to the light emitting device; and a light blocking layer including a light blocking member arranged to overlap an end of the color filter, a center position of the light blocking member being offset from the end of the color filter.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 18, 2019
    Assignee: Sony Corporation
    Inventors: Yosuke Motoyama, Reo Asaki
  • Patent number: 10325975
    Abstract: The present specification relates to an organic light emitting device and a method for manufacturing the same.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: June 18, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young Kyun Moon, Minsoo Kang, Jin Bok Lee, Byung Woo Yoo
  • Patent number: 10317783
    Abstract: An embodiment provides a light source unit including an excitation light source for emitting excitation light, and a luminescent material wheel where a first area and a second area are disposed circumferentially, the first area having a first luminescent material layer for converting the excitation light into light of a first wavelength range, the second area having a second luminescent material layer for converting the excitation light into light of a second wavelength range adjoining the first wavelength range, wherein a reflecting portion to reflect the light of the first wavelength range is provided on an opposite side of the first luminescent material layer to a surface where the excitation light is shone, and wherein a transmitting portion for transmitting the light of the second wavelength range is provided on an opposite side of the second luminescent material layer to a surface where the excitation light is shone.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: June 11, 2019
    Assignee: CASIO COMPUTER CO., LTD
    Inventor: Masahiro Ogawa
  • Patent number: 10319936
    Abstract: A substrate (100) has optical transparency, and a light-emitting unit (140) is formed on the substrate (100). The light-emitting unit (140) includes a first electrode (110), an organic layer (120), and a second electrode (130). The organic layer (120) is located between the first electrode (110) and the second electrode (130). The second electrode (130) extends outside the light-emitting unit (140). At least an end of a portion of the second electrode (130) which is located outside the light-emitting unit (140) is oxidized.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: June 11, 2019
    Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Masaki Takahashi, Hiroki Tan, Noriaki Waki
  • Patent number: 10312477
    Abstract: A light emitting structure includes a first hole injection layer, a first organic light emitting layer, a charge generation layer, a second hole injection layer, a second organic light emitting layer, an electron transfer layer, and a blocking member. The light emitting structure has first, second, and third sub-pixel regions. The first organic light emitting layer may be on the first hole injection layer. The charge generation layer may be on the first organic light emitting layer. The second hole injection layer may be on the charge generation layer. The second organic light emitting layer may be on the second hole injection layer. The electron transfer layer may be on the second organic light emitting layer. The blocking member may be at at least one of the first to the third sub-pixel regions.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: June 4, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Lee, Ok-Keun Song, Se-Il Kim
  • Patent number: 10312473
    Abstract: An organic light emitting display device includes: a substrate; an organic light emitting element on the substrate; and a thin film encapsulation layer on the organic light emitting element. The thin film encapsulation layer includes a first thin film, a second thin film and a third thin film which are sequentially stacked therein, a refractive index of the second thin film is about 1.7 or greater, and a refractive index of the first thin film and a refractive index of the third thin film are greater than the refractive index of the second thin film by about 0.35 or greater.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghoon Kim, Dongchan Kim, Wonjong Kim, Wonmin Yun, Byoungduk Lee, Jihye Lee, Sanghoon Yim, Yoonhyeung Cho, Youngcheol Joo, Wonsuk Han
  • Patent number: 10305042
    Abstract: An organic light emitting diode includes: a first electrode; a second electrode facing the first electrode; a light emission layer between the first electrode and the second electrode; an electron injection layer between the second electrode and the light emission layer; and a buffer layer between the electron injection layer and the second electrode, where the electron injection layer includes a dipolar material and a first metal, and the buffer layer includes a metal having a work function of 4.0 eV or less.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok Gyu Yoon, Dong Chan Kim, Eung Do Kim, Bo Ra Jung, Kyu Hwan Hwang, Sung Chul Kim, Won-Jong Kim, Young-Woo Song, Jong Hyuk Lee
  • Patent number: 10304921
    Abstract: A display panel may include a detection line overlapped with a non-display region, detection pads connected to the detection line, and an input line connecting an input pad of the detection pads to the detection line. The detection line may include a first portion, which is provided at a level different from a level of the input line and includes an end connected to the input line through a first contact hole in a first contact region, and a second portion, which is provided at a level different from the level of the first portion and is connected to the first portion through a second contact hole in a second contact region. A distance between the first and second portions in a non-contact region may be less than a distance between the first contact hole and the second portion.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Wonse Lee, Hyunwoong Kim, Joong-Soo Moon, Ae Shin, Ji-eun Lee, Kwangmin Kim, Seungkyu Lee
  • Patent number: 10290629
    Abstract: A protective circuit for a cathode layer, a protective method and an OLED display device are provided. The protective circuit includes a power supply, and an electronic output node electrically connected with a negative electrode of the power supply. Electric potential of the electronic output node is the same as the electric potential of the cathode layer in a working state of the OLED display device, the electronic output node is connected to the cathode layer of the OLED display device, and a positive electrode of the power supply is connected to a voltage node with any potential other than an anode of the OLED display device via a wire, so that electrons can be continuously provided by the power supply to the cathode layer in a non-working state of the OLED display device.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: May 14, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Weifeng Zhou
  • Patent number: 10290831
    Abstract: A display unit includes: a light-emitting section including a light-emitting element that has a first electrode, an organic layer including a light-emitting layer, and a second electrode in this order; and a reflector that is provided at a periphery of the light-emitting section to reflect light from the light-emitting section, and has a conductive layer, the conductive layer being electrically coupled to the second electrode of the light-emitting element.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: May 14, 2019
    Assignee: SONY CORPORATION
    Inventor: Isamu Kobori
  • Patent number: 10283034
    Abstract: The present disclosure provides a pixel structure including a plurality of pixel cells arranged into a plurality of rows. Each row includes a plurality of pixel-cell groups, each including a predetermined number of subpixels with different colors arranged along the row direction. The pixel-cell groups are arranged in a zigzag manner along a column direction. For any two neighboring rows, each subpixel in one row is divided into two secondary subpixels along the row direction, and each subpixel in the other row is divided into two secondary subpixels along the column direction. The colors of the subpixels in each pixel-cell group of the odd-numbered rows include a first color, a second color, and a third color, respectively along the row direction. The colors of the subpixels in each pixel-cell group of the even-numbered rows are the second color, the third color, and the first color, respectively along the row direction.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: May 7, 2019
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yun Zou, Yang Yang, Xiurui Hu
  • Patent number: 10283734
    Abstract: An organic light emitting diode display, including a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and electrically connected to the thin film transistor; an organic emission layer on the first electrode; a second electrode on the organic emission layer; and a first capping layer on the second electrode and a second capping layer on the first capping layer, the second capping layer being thicker than the first capping layer.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: May 7, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hoon Yim, Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Jong Hyuk Lee, Da Hea Im, Yoon Hyeung Cho, Chang Woong Chu
  • Patent number: 10276827
    Abstract: To provide a device structure that is capable of preventing oxygen, water, and the like from entering the device, and a method of producing the same. A device structure 10 according to an embodiment of the present invention includes a substrate (base) 2, a device layer 3, a first inorganic material layer (convex portion) 41, and a first resin material 51. The substrate 2 has a first surface 2a and a second surface 2c opposite to the first surface 2a. The device layer 3 is arranged on at least the first surface 2a out of the first and second surfaces 2a and 2c. The first inorganic material layer 41 is formed on the first surface 2a. The first resin material 51 is unevenly arranged around the first inorganic material layer 41.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: April 30, 2019
    Assignee: ULVAC, INC.
    Inventors: Tadashi Oka, Yuko Kato, Takahiro Yajima, Yousuke Matsumoto, Shouta Kanai, Yasuaki Murata
  • Patent number: 10274803
    Abstract: It is an object to provide an electric field driving display device capable of displaying a high quality image and to provide an electric field driving display device in which residual images in an outline of a pixel is prevented from occurring. An insulating film is formed over a second electrode and a plurality of first electrodes are provided over the insulating film. Each of the first electrodes is electrically connected to the second electrode. The second electrode is provided to partly overlap a region between the adjacent two first electrodes. In other words, viewing the top and the bottom of the display device, the adjacent first electrodes are provided apart from each other and the second electrode is provided to embed a space between the adjacent first electrodes.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: April 30, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10276824
    Abstract: A display apparatus includes a first substrate corresponding to a display area and a surrounding area, a second substrate facing the first substrate, a seal member between the first substrate and the second substrate for bonding the first substrate and the second substrate to each other, a seal auxiliary portion between the first substrate and the seal member, and including a non-corner portion, and a corner portion, at least a portion of which extending beyond an extension line of the non-corner portion.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minjun Jo, Jaekyung Go, Eunjae Na
  • Patent number: 10276831
    Abstract: An organic light-emitting display (OLED) device including a display area defined by a plurality of light emitting elements on a substrate, a non-display area around the display area, a gate driver in the non-display area, a connecting unit overlapped with the gate driver in the non-display area, the plurality of light emitting elements including a first electrode, a light emitting layer, a second electrode, and the second electrode extended to non-display area, a common voltage line disposed outside of the gate driver, a dam structure configured to surround the display area in the non-display area and disposed on at least a portion of the common voltage line, a first encapsulation layer and a second encapsulation layer covering display area and at least a portion of the non-display area and a particle cover layer disposed between the first encapsulation layer and the second encapsulation.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: April 30, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Myoungsoo Lee, Wonyeol Choi, Byoungchul Kim, Heesung Park
  • Patent number: 10276630
    Abstract: A light emitting device includes a first electrode, an insulating layer, a second electrode, and a bar-type light emitting diode (LED). The insulating layer includes a plurality of protruding parts protruding from the first electrode and at least one hole between the protruding parts. The second electrode on the insulating layer. The bar-type LED is in the at least one hole. The bar-type LED has a first end and a second end in the length direction. One of the first or second ends is connected to the first electrode and the other of the first or second ends is connected to the second electrode.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Sup Lee, Jung Hun Noh, Sang Hee Jang, Hyung Il Jeon, Byung Seok Choi
  • Patent number: 10276832
    Abstract: The invention provides an OLED and manufacturing method thereof. The manufacturing method adds a hydrophobic thin film in the TFE structure of the OLED device, prints the microlens material droplets onto hydrophobic thin film, and cures to form a microlens array comprising microlenses arranged in an array. The method is simple, and can use existing packaging equipment. Moreover, the contact angle of the microlens formed by curing the printed microlens material droplets on the hydrophobic thin film is large to enhance the optical coupling efficiency of the microlens array, as well as light-emission efficiency of OLED device. The present invention provides an OLED display device by adding a hydrophobic thin film in the TFE structure of the OLED device, and forming a microlens array layer comprising microlenses arranged in an array to enhance light-emission efficiency of OLED device.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: April 30, 2019
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jing Huang
  • Patent number: 10276826
    Abstract: A lightweight flexible light-emitting device that is less likely to be broken is provided. The light-emitting device includes a first flexible substrate, a second flexible substrate, an element layer, a first bonding layer, and a second bonding layer. The element layer includes a light-emitting element. The element layer is provided between the first flexible substrate and the second flexible substrate. The first bonding layer is provided between the first flexible substrate and the element layer. The second bonding layer is provided between the second flexible substrate and the element layer. The first and second bonding layers are in contact with each other on the outer side of an end portion of the element layer. The first and second flexible substrates are in contact with each other on the outer side of the end portions of the element layer, the first bonding layer, and the second bonding layer.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: April 30, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuhiro Jinbo, Shingo Eguchi
  • Patent number: 10266760
    Abstract: A semiconductor structure includes a nanocrystalline core comprising a first semiconductor material, and at least one nanocrystalline shell comprising a second, different, semiconductor material that at least partially surrounds the nanocrystalline core. The nanocrystalline core and the nanocrystalline shell(s) form a quantum dot. An insulator layer encapsulates the quantum dot to create a coated quantum dot, and at least one additional insulator layer encapsulates the coated quantum dot.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: April 23, 2019
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Weiwen Zhao, Juanita N. Kurtin
  • Patent number: 10270058
    Abstract: Provided is a long-life organic electroluminescent illumination panel which is flexible and, even when a load is applied by bending, impact or vibration, can suppress the occurrence of defects in an electrode layer and an organic layer containing an organic electroluminescent material, and which can suppress the occurrence of dark spots due to short circuiting. This organic electroluminescent illumination panel includes: a pair of electrode layers, at least one of which is transparent, between a flexible film substrate and a flexible film sealing material, at least one of which is transparent; and an organic layer containing an organic electroluminescent material which is sandwiched between the pair of electrode layers. This organic electroluminescent illumination panel has multiple spacers which are disposed on an electrode layer laminated on the flexible film substrate so as to pass through the organic layer and another electrode layer.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: April 23, 2019
    Assignee: NEC LIGHTING, LTD.
    Inventor: Yoshikazu Sakaguchi
  • Patent number: 10263212
    Abstract: Provided is an organic light emitting display device in which a plurality of pixel areas each including an emitting area and a non-emitting area is defined in a display area. The organic light emitting display device includes: an auxiliary electrode in a part of a non-emitting area of at least one pixel area; an auxiliary electrode contact portion formed as a part of the auxiliary electrode; a first electrode in the emitting areas of the plurality of pixel areas; an organic layer on the first electrode and the auxiliary electrode; and a second electrode on the organic layer. The auxiliary electrode contact portion electrically connects the auxiliary electrode and the second electrode. A distance from a center of the auxiliary electrode contact portion to a terminal end of the first electrode in the emitting area may be 3 ?m or more.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Junho Lee
  • Patent number: 10263016
    Abstract: An active matrix substrate includes a first TFT (10), a second TFT (20) disposed per pixel, and a circuit including the first TFT. The first and second TFTs each include a gate electrode (102A, 102B), a gate insulating layer (103), an oxide semiconductor layer (104A, 104B), and source and drain electrodes in contact with an upper surface of the oxide semiconductor layer. The oxide semiconductor layer (104A, 104B) has a stacked structure including a first semiconductor layer (104e, 104c) in contact with the source and drain electrodes and a second semiconductor layer that is disposed on a substrate-side of the first semiconductor layer and that has a smaller energy gap than the first semiconductor layer. The oxide semiconductor layers (104A) and (104B) are different from each other in terms of the composition and/or the number of stacked layers. The first TFT has a larger threshold voltage than the second TFT.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: April 16, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisao Ochi, Tohru Daitoh, Hajime Imai, Tetsuo Fujita, Hideki Kitagawa, Tetsuo Kikuchi, Masahiko Suzuki, Teruyuki Ueda
  • Patent number: 10263148
    Abstract: A light emitting diode structure includes a first electrode, a second electrode, and an epitaxial structure. The epitaxial structure is divided into a base area and a structural supporting area. The base area includes a bottom portion and a top portion. The bottom portion is wider than the top portion. The top portion protrudes from a surface of the bottom portion along a single direction. The structural supporting area protrudes from the surface of the bottom portion beside the top portion along the same single direction. A top of the structural supporting area is aligned with a top of the top portion. The first electrode is arranged on the top of the top portion. The second electrode is at least arranged on the top of the structural supporting area. The second electrode arranged on the structural supporting area is aligned with the first electrode.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: April 16, 2019
    Assignee: ADVANCED OPTOELECTRONIC TECHNOLOGY, INC
    Inventors: Tzu-Chien Hung, Chien-Chung Peng, Chien-Shiang Huang, Chia-Hui Shen, Po-Min Tu
  • Patent number: 10256382
    Abstract: The present disclosure generally relates to light field displays and methods of displaying images with light field arrays. In one example, the present disclosure relates to pixel arrangements for use in light field displays. Each pixel includes a plurality of LEDs, such as micro LEDs, positioned adjacent respective micro-lenses of each pixel.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: April 9, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: John M. White, Christopher Dennis Bencher, Manivannan Thothadri, Robert Jan Visser
  • Patent number: 10249667
    Abstract: An image sensor includes a semiconductor layer, a plurality of light sensing regions, a first pixel isolation layer, a light shielding layer, and a wiring layer. The semiconductor layer has a first surface and a second surface opposite to the first surface. The plurality of light sensing regions is formed in the semiconductor layer. The first pixel isolation layer is disposed between adjacent light sensing regions from among the plurality of light sensing regions. The first pixel isolation layer is buried in an isolation trench formed between the first surface and the second surface. The light shielding layer is formed on the second surface of the semiconductor layer and on some of the adjacent light sensing regions. The wiring layer is formed on the first surface of the semiconductor layer.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yun-Ki Lee, Hye-Jung Kim, Hong-Ki Kim, Kyung-Duck Lee
  • Patent number: 10249664
    Abstract: To provide an optical glass, being an optical glass manufactured by a cutting method using laser light, more increases strength to make it difficult to cause breakage when external force such as impact is applied thereon, or more increases a bonding strength to a casing to more increase reliability of the product. An optical glass 100 is a plate-shaped optical glass to be bonded to a casing to cover an opening of the casing, the optical glass being made of a glass substrate 110 including: a first principal surface 110A being the side to be bonded to the casing; a second principal surface 110B being the side opposite to the first principal surface; and a cut surface cut along a reformed region R formed therein by light radiated to be focused therein, in which the reformed region R exists unevenly at the second principal surface 110B side.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: April 2, 2019
    Assignee: AGC Inc.
    Inventor: Hidetaka Masuda
  • Patent number: 10243173
    Abstract: A display device includes a first substrate, a light-emitting element over the first substrate, a sealing film over the light-emitting element, a first insulating layer over the sealing film, a second insulating layer over the sealing film, a light-shielding layer over the second insulating layer, and a second substrate over the light-shielding layer. The first insulating layer has an opening in a region thereof overlapping a light-emitting region of the light-emitting element. The second insulating layer has an inverted-conical or inverted-pyramidal depression above the light-emitting region of the light-emitting element. The light-shielding layer is located in a region overlapping the light-emitting region of the light-emitting element.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: March 26, 2019
    Assignee: Japan Display Inc.
    Inventor: Naoki Tokuda
  • Patent number: 10234088
    Abstract: Filament type light emitting devices are disclosed. One of the light emitting devices includes a non-conductive transparent substrate, one or more light emitting diode chips arrayed above the upper surface of the non-conductive transparent substrate and each including input and output ends extending toward the non-conductive transparent substrate, and conductive transparent connection portions formed on the upper surface of the non-conductive transparent substrate and electrically connected to the input and output ends. Light transmitting regions are provided without reflectors in the vicinity of the input and output ends between the non-conductive transparent substrate and the light emitting diode chips. Thus, light is emitted backward from the light emitting diode chips through the light transmitting regions and the non-conductive transparent substrate.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: March 19, 2019
    Assignee: LUMENS CO., LTD.
    Inventors: Dae Won Kim, Yong Wook Cho, Min Pyo Kim, Jung Hye Park, Won Kook Son
  • Patent number: 10236474
    Abstract: In an organic light emitting display device according to an embodiment of the present disclosure, a light extraction reduction preventing layer is disposed between a display unit disposed on a substrate and an encapsulation layer for protecting the display unit, and as a result, light emission efficiency may be improved by reducing an amount of light dissipating while light generated from an emission layer of the display unit is extracted to the outside.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Seung-Yong Song
  • Patent number: 10236460
    Abstract: Photovoltaic cells, methods of fabricating photovoltaic cells, and methods of using photovoltaic cells to capture light energy are provided. A photovoltaic cell can include an electron transporting layer, a photoactive layer, and a hole transporting layer. The electron transporting layer can be ultraviolet ozone treated. The photovoltaic cell can have an inverted configuration.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: March 19, 2019
    Assignee: University of Florida Research Foundation, Incorporated
    Inventors: Franky So, John R. Reynolds, Song Chen, Cephas Small
  • Patent number: 10231294
    Abstract: There is provided a display device including a light-emitting element body part, a low refractive index layer part which is provided over a light output surface of the light-emitting element body part and has a first refractive index, and a packaging member which is provided to seal the light-emitting element body part and the low refractive index layer part inside the packaging member, has a planar light output surface, and has a second refractive index which is greater than the first refractive index.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: March 12, 2019
    Assignee: Sony Corporation
    Inventors: Justin Ho, Goshi Biwa
  • Patent number: 10217964
    Abstract: An optical member and a display including the same are provided. The optical member includes a first layer that includes a convex part, which includes a plurality of protrusions, and a cover having a refractive index lower than that of the convex part and a second layer that is located on at least one side of the first layer and includes a plurality of scattering particles dispersed in the interior thereof.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: February 26, 2019
    Assignee: Changkang Chemical Co., Ltd.
    Inventor: Young Tae Heo
  • Patent number: 10219350
    Abstract: An electroluminescent element comprises at least the following layers, in sequence: a first substrate (1), a first conductive layer (2), a first dielectric layer (3), a first light emitting layer (4), a second conductive layer (5), a second light emitting layer (4?), a second dielectric layer (3?), a third conductive layer (2?), and a second substrate (6). At least one of the first and second substrates (1, 6) is transparent or translucent; and at least some of the layers are transparent or translucent so as to allow light from the first and/or second light emitting layers (4, 4?) to be emitted through the transparent substrate or substrates (1, 6). The second conductive layer (5) may be encapsulated between the first and second light emitting layers (4) and between the first and second dielectric layers (3, 3?). The elements may be stacked horizontally or vertically.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: February 26, 2019
    Assignee: DST Innovations Limited
    Inventor: Anthony Miles
  • Patent number: 10211405
    Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer disposed between the first electrode and the second electrode and a hole transport region disposed between the first electrode and the emission layer. The hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2, and the first compound and the second compound are different from each other.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinsoo Hwang, Seokgyu Yoon, Hyein Jeong
  • Patent number: 10208896
    Abstract: An LED light device and a circuit preparation method thereof are provided. The LED light device includes a base, an LED light unit, and a lamp shade. The LED light-emitting unit and the lamp shade are arranged on the base. The lamp shade covers the LED light-emitting unit inside. The circuit preparation method includes following steps of: providing a base which is a physical entity having a three-dimensional structure on the surface thereof; coating a circuit layer on the base surface through a programmable coating equipment, manual coating or the combined mode, wherein the circuit layer is a liquid or powder coating containing metal materials, and the thickness of the circuit layer is 20 ?m or more; baking the base coated with the circuit layer at the high temperature of 100-1,000° C. until the circuit layer is dried; and obtaining a base having a three-dimensional circuit after cooling.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: February 19, 2019
    Assignees: SHANGHAI SANSI ELECTRONIC ENGINEERING CO., LTD, SHANGHAI SANSI SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD, JIASHAN SANSI PHOTOELECTRIC TECHNOLOGY CO., LTD
    Inventors: Bishou Chen, Li Xu, Peng Wang, Xiaoliang He, Sheng Li, Haibo Liu
  • Patent number: 10203071
    Abstract: The present invention has as its object the provision of a fluorescence light source apparatus that is prevented from a drop in reflectance and can provide high emission efficiency over a long period of time without causing the problem of exfoliation of a reflection layer from a fluorescent plate. The fluorescence light source apparatus according to the present invention includes a fluorescent plate that is made of a phosphor for emitting fluorescence under excitation light and a metal oxide and has a front surface serving as an excitation light incident surface, a reflection layer disposed on a back surface side of the fluorescent layer, and a heat dissipation substrate. A sealing layer covering the back surface and a peripheral side surface of the reflection layer is provided in close contact with a peripheral area of the back surface of the fluorescent plate via an adhesion layer.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: February 12, 2019
    Assignee: Ushio Denki Kabushiki Kaisha
    Inventors: Masaki Inoue, Seiji Kitamura
  • Patent number: 10198974
    Abstract: A display device includes a base substrate layer including a first base substrate and a second base substrate separated from the first base substrate in a first direction, a flexible film disposed on a first surface of the base substrate layer, and one or more light emitting elements disposed on a first surface of the flexible film. The flexible film includes a flat portion and a bent portion. The bent portion is inserted into a space between the first base substrate and the second base substrate.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: February 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Hyun Yun, Sang Cheon Han
  • Patent number: 10199611
    Abstract: An organic light-emitting display apparatus including: a substrate; a plurality of pixels that are formed on the substrate and each have a light emission area from which visible rays are emitted and a transmission area through which external light is transmitted; a pixel circuit portion disposed in each light emission area of the plurality of pixels; a first electrode that is disposed in each light emission area and is electrically connected to the pixel circuit portion; an intermediate layer that is formed on the first electrode and includes an organic emissive layer; a second electrode formed on the intermediate layer; and a capping layer that is disposed on the second electrode and includes a first capping layer corresponding to the light emission area and a second capping layer corresponding to the transmission area. Accordingly, electrical characteristics and image quality of the organic light-emitting display apparatus may be improved.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Patent number: 10199449
    Abstract: A display device includes: a substrate; pixels, the pixels each including at least one transistor and a light emitting device connected to the transistor; data lines and scan lines connected to the pixels; and a power line supplying power to the light emitting device. The transistor includes an active pattern on the substrate, source and drain electrodes each connected to the active pattern, a gate electrode on the active pattern, an interlayer insulating layer covering the gate electrode, the interlayer insulating layer including a first interlayer insulating layer, a second interlayer insulating layer, and a third interlayer insulating layer, which are sequentially stacked, and a protective layer provided on the interlayer insulating layer. The third interlayer insulating layer includes a concave part in a region in which the light emitting device and the second conductive layer overlap with each other, and the second conductive layer is in the concave part.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yang Wan Kim, Hyung Jun Park, Jae Yong Lee, Byung Sun Kim, Su Jin Lee
  • Patent number: 10199591
    Abstract: An organic EL display device has a TFT formed on the substrate, and an organic EL layer formed on the TFT. A protective layer is formed on the organic EL layer, and a first barrier layer which contains AlOx is formed between the substrate and the TFT.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Yoshinori Ishii, Kazufumi Watabe, Isao Suzumura
  • Patent number: 10199612
    Abstract: As a result of miniaturization of a pixel region associated with an improvement in definition and an increase in a substrate size associated with an increase in area, defects due to precision, bending, and the like of a mask used at the time of evaporation have become issues. A partition including portions with different thicknesses over a pixel electrode (also referred to as a first electrode) in a display region and in the vicinity of a pixel electrode layer is formed, without increasing the number of steps, by using a photomask or a reticle provided with an auxiliary pattern having a light intensity reduction function made of a diffraction grating pattern or a semi-transmissive film.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: February 5, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideaki Kuwabara, Hideto Ohnuma
  • Patent number: 10199605
    Abstract: An organic EL device according to one aspect of the present invention includes: a base material; a first recess provided on a top surface of the base material; a reflective layer provided along a surface of the first recess; a filling layer filled in the first recess, the filling layer including a top surface on which a second recess is provided; a first electrode provided on an upper layer side of the filling layer; an organic layer comprising a light emitting layer provided on an upper layer side of the first electrode; and a second electrode provided on an upper layer side of the organic layer. Within the organic layer, a part of a light emitting area interposed between the first electrode and the second electrode is positioned inside the second recess The reflective layer is in contact with the first electrode in a periphery of the first recess.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: February 5, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Inoue, Katsuhiro Kikuchi, Hideki Uchida, Eiji Koike, Masanori Ohara, Yuto Tsukamoto, Yoshiyuki Isomura, Kazuki Matsunaga
  • Patent number: 10199439
    Abstract: In one embodiment, an apparatus includes a display stack for a touch-sensitive screen. The display stack comprises a plurality of layers in which a top layer comprises a substantially transparent cover layer. The display stack is configured to display a color image. The apparatus also includes a touch sensor provided within the display stack. The touch sensor comprises a plurality of first conductive electrodes contacting a layer of a subset of the plurality of layers of the display stack. The subset of the plurality of layers is below the substantially transparent cover layer. The touch sensor also includes a plurality of second conductive electrodes contacting a layer of the subset of the plurality of layers.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: February 5, 2019
    Assignee: Atmel Corporation
    Inventors: David Brent Guard, Esat Yilmaz
  • Patent number: 10193097
    Abstract: It is an object to provide a light-emitting element having long lifetime. A light-emitting element is provided, in which a light-emitting layer, a first layer, and a second layer are provided between a first electrode and a second electrode; the first layer is provided between the light-emitting layer and the first electrode; the second layer is provided between the light-emitting layer and the second electrode; the first layer is a layer for controlling the hole transport; the second layer is a layer for controlling the electron transport; and light emission is obtained from the light-emitting layer by applying voltage to the first electrode and the second electrode such that the potential of the first electrode is higher than that of the second electrode.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: January 29, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tsunenori Suzuki, Satoko Shitagaki, Satoshi Seo