Fluroescent, Phosphorescent, Or Luminescent Layer Patents (Class 428/690)
-
Patent number: 10573841Abstract: An organic light-emitting device including an anode electrode, a hole injection layer on the anode electrode, a hole transport layer on the hole injection layer, an emissive layer on the hole transport layer, and a cathode electrode on the emissive layer. A material of the hole injection layer includes a nitrogen-containing compound having a quinoid structure and a nitrogen-containing compound having a benzenoid structure. A ratio of a peak intensity IB to a peak intensity IA (IB/IA) in a Fourier transform infrared spectroscopy (FTIR) spectrum of the material of the hole injection layer ranges from 1.5 to 2.5, the peak intensity IA and the peak intensity IB being further defined.Type: GrantFiled: February 24, 2017Date of Patent: February 25, 2020Assignee: Samsung Display Co., Ltd.Inventors: Katsushi Kishimoto, Yoon Ho Kang, Dong Hoon Kwak
-
Patent number: 10573819Abstract: Provided are a compound of Formula 1 and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, and electronic device comprising the organic electric element, wherein the driving voltage of the organic electronic device can be lowered, and the luminous efficiency and life span can be improved by comprising the compound represented by Formula 1 in the organic material layer.Type: GrantFiled: March 31, 2017Date of Patent: February 25, 2020Assignee: DUK SAN NEOLUX CO., LTD.Inventors: Jonggwang Park, Yeon Hee Choi, Yun Suk Lee, Kiho So, Hyoung Keun Park, Yeonseok Jeong, Hak Young Lee
-
Patent number: 10566536Abstract: In one aspect, optoelectronic devices are described herein. In some embodiments, an optoelectronic device described herein comprises a first electrode, a second electrode and a light emitting composite layer disposed between the first electrode and the second electrode. A dielectric layer, in some embodiments, is disposed between the light emitting composite layer and the first electrode and/or second electrode.Type: GrantFiled: July 12, 2012Date of Patent: February 18, 2020Assignee: WAKE FORSET UNIVERSITYInventor: David L Carroll
-
Patent number: 10566562Abstract: An organic light-emitting device includes: an anode and a cathode opposite each other, an organic light-emitting layer between the anode and the cathode, and a hole transport unit between the anode and the organic light-emitting layer and including two or more pairs of hole injection layers and hole transport layers each formed of a respective single material, the hole injection layers and the hole transport layers being alternately stacked.Type: GrantFiled: July 28, 2017Date of Patent: February 18, 2020Assignee: LG Display Co., Ltd.Inventors: Byung-Soo Kim, Han-Byeol Seok, Seok-Hyun Kim
-
Patent number: 10566540Abstract: An organic electroluminescent device having high luminous efficiency, low driving voltage, and particularly a long lifetime is provided by combining various materials for an organic electroluminescent device, which have excellent hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state, and durability as materials for an organic electroluminescent device having high luminous efficiency and high durability so as to allow the respective materials to effectively reveal their characteristics. In the organic electroluminescent device having at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole transport layer includes an arylamine compound represented by the following general formula (1), and the light emitting layer includes an amine derivative of the following general formula (2) having a condensed ring structure.Type: GrantFiled: January 29, 2016Date of Patent: February 18, 2020Assignees: Hodogaya Chemical Co., Ltd., SFC Co. Ltd.Inventors: Shuichi Hayashi, Hideyoshi Kitahara, Takeshi Yamamoto, Daizou Kanda, Naoaki Kabasawa, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
-
Patent number: 10566546Abstract: A compound having a structure of Formula 1: is disclosed. In Formula 1, each one of X1 to X16 is independently CR or N; at least two adjacent of X1 to X16 are CR; at least one pair of adjacent Rs is fused to one of the Ring A, Ring B, Ring C, or Ring D; each instance of Y1, Y2, Y3, and Y4 is independently CR1 or N; each instance of Z is independently CR2R3, NR4, O, S or Se; each instance of R, R1, R2, R3, and R4 are independently selected from a variety of substituents; and any adjacent substituents of R, R1, R2, R3, and R4 are optionally joined or fused into a ring. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.Type: GrantFiled: July 6, 2015Date of Patent: February 18, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Raymond Kwong, Sze Kui Lam, Chi Hang Lee
-
Patent number: 10566543Abstract: According to the present invention, there are provided pyrimidine derivatives represented by the following general formula (1). The pyrimidine derivatives of the invention are novel compounds and feature (1) good electron injection property, (2) high electron mobility, (3) excellent hole blocking property, (4) good stability in their form of thin films, and (5) excellent heat resistance.Type: GrantFiled: January 13, 2016Date of Patent: February 18, 2020Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Hideyoshi Kitahara, Sung Keum Choi, Si In Kim, Ji Yung Kim, Hyunju Oh
-
Patent number: 10559759Abstract: The organic EL device of the present invention has an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in the order of description.Type: GrantFiled: January 5, 2016Date of Patent: February 11, 2020Assignee: HODOGAYA CHEMICAL CO., LTD.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Shunji Mochiduki
-
Patent number: 10556864Abstract: To provide a light-emitting element having high luminous efficiency and to provide a light-emitting device and an electronic device which consumes low power and is driven at low voltage, a carbazole derivative represented by the general formula (1) is provided. In the formula, ?1, ?2, ?3, and ?4 each represent an arylene group having less than or equal to 13 carbon atoms; Ar1 and Ar2 each represent an aryl group having less than or equal to 13 carbon atoms; R1 represents any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group; and R2 represents any of an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, l, m, and n are each independently 0 or 1.Type: GrantFiled: September 24, 2018Date of Patent: February 11, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hiroko Nomura, Harue Osaka, Takahiro Ushikubo, Sachiko Kawakami, Satoshi Seo, Satoko Shitagaki
-
Patent number: 10559757Abstract: A compound represented by (Tr)n-Z is useful as a host material for delayed fluorescent materials. Tr represents a substituted or unsubstituted triphenylenyl group, and plural Tr's existing in the general formula (1) may be the same as or different from each other. Z represents a carbonyl group or a substituted or unsubstituted, n-valent aromatic hydrocarbon group. n represents an integer of 2 to 6, but when Z is a carbonyl group, n is 2.Type: GrantFiled: September 2, 2015Date of Patent: February 11, 2020Assignee: KYULUX, INC.Inventors: Hirokazu Kuwabara, Takumi Shibata, Takehiro Takahashi, William John Potscavage, Jr., Chihaya Adachi
-
Patent number: 10559754Abstract: The present disclosure describes additives that attenuate a specific transport channel in ambipolar semiconductors to achieve unipolar characteristics. Carrier selective traps are included in the ambipolar semiconductors and are chosen on the basis of energetic preferences for holes or electrons and the relative positions of the molecular orbital energies of host polymer and the dopants. In one embodiment, a composition of matter useful as a current transport region in an organic semiconductor device comprises a semiconducting polymer; and means for accepting holes (e.g., a hole trapping compound) injected into the current transport region so as to impede conduction of the holes in the semiconducting polymer. This simple solution-processable method can improve the on and off current ratios (ION/IOFF) of OFETs by up to three orders of magnitude. Moreover, the treatment yields tailored blends that can be used to fabricate complementary inverters with excellent gain and low-power characteristics.Type: GrantFiled: May 19, 2017Date of Patent: February 11, 2020Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Michael J. Ford, Hengbin Wang, Guillermo C. Bazan
-
Patent number: 10553810Abstract: The present disclosure relates to an OLED display panel, comprising a first electrode and a second electrode, a light emitting layer and a first auxiliary light emitting layer disposed between the first electrode and the second electrode, the first auxiliary light emitting layer is disposed between the light emitting layer and the second electrode, wherein the first auxiliary light emitting layer includes at least a first electron-type auxiliary light emitting layer, wherein the first electron-type auxiliary light emitting layer includes a host material and a metal element doped in the host material; the host material has at least one pyridyl group and an aromatic group conjugated to the at least one pyridyl group; and the glass transition temperature of the host material is ?90° C. The present disclosure can improve the luminous efficiency and lifetime of an organic photoelectronic device and reduce its voltage by using this method.Type: GrantFiled: August 9, 2017Date of Patent: February 4, 2020Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Ying Liu, Xiangcheng Wang, Hongyang Ren, Yuji Hamada, Wei He, Chen Liu, Jie Li
-
Patent number: 10547007Abstract: A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5): wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (higType: GrantFiled: October 8, 2015Date of Patent: January 28, 2020Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo, Masahiro Kawamura, Ryota Takahashi
-
Patent number: 10535823Abstract: A composite material which includes an organic compound and an inorganic compound and has a high carrier-transport property is provided. A composite material having a good property of carrier injection into an organic compound is provided. A composite material in which light absorption due to charge-transfer interaction is unlikely to occur is provided. A composite material having a high visible-light-transmitting property is provided. A composite material including a hydrocarbon compound and an inorganic compound exhibiting an electron-accepting property with respect to the hydrocarbon compound is provided. The hydrocarbon compound has a substituent bonded to a naphthalene skeleton, a phenanthrene skeleton, or a triphenylene skeleton and has a molecular weight of 350 to 2000, and the substituent has one or more rings selected from a benzene ring, a naphthalene ring, a phenanthrene ring, and a triphenylene ring.Type: GrantFiled: October 25, 2018Date of Patent: January 14, 2020Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kaori Ogita, Hiromi Nowatari, Harue Osaka, Takahiro Ushikubo, Satoshi Seo, Takako Takasu
-
Patent number: 10529923Abstract: The invention relates to a method for absorbing permeates from a sheet material I, as used, for example, in organic electronic structures, this method being easy to carry out. Such a method includes, according to the invention, directly or indirectly bringing sheet material I into planar contact with a sheet material II, which contains at least one getter material and is capable of absorbing at least one permeate from sheet material I, there being no adhesive connection between sheet material I and sheet material II.Type: GrantFiled: December 23, 2014Date of Patent: January 7, 2020Assignee: tesa SEInventors: Klaus Keite-Telgenbüscher, Christian Schuh, Anita Reichenbach
-
Patent number: 10529937Abstract: According to embodiments of the present invention, a method of manufacturing an organic semiconductor device includes forming a first organic semiconductor layer on a substrate, and forming a self-assembled monolayer by providing a self-assembly precursor onto the first organic semiconductor layer. The first organic semiconductor layer has a reactive group on a top surface of the first organic semiconductor layer. The forming of the self-assembled monolayer includes forming a chemical bond between the self-assembly precursor and the reactive group of the first organic semiconductor layer.Type: GrantFiled: June 26, 2017Date of Patent: January 7, 2020Assignees: FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Do Hwan Kim, Moon Sung Kang, Haejung Hwang, Han Wool Park, Ji Hye Shin
-
Patent number: 10522788Abstract: The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and a light scattering layer provided between the light emitting layer and the cathode.Type: GrantFiled: May 31, 2013Date of Patent: December 31, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
-
Patent number: 10510968Abstract: Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs.Type: GrantFiled: March 10, 2017Date of Patent: December 17, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Scott Beers, Chuanjun Xia, Harvey Wendt, Suman Layek
-
Patent number: 10510963Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.Type: GrantFiled: April 2, 2015Date of Patent: December 17, 2019Assignee: LG CHEM, LTD.Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
-
Patent number: 10510983Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. The organic light-emitting display apparatus includes a first substrate; an organic light-emitting device provided on the first substrate and including a first electrode, a second electrode, and an intermediate layer positioned between the first electrode and the second electrode; a second substrate covering the organic light-emitting device and disposed to face the first substrate; and a sealant bonding the first substrate and the second substrate, wherein at least a portion of the sealant is a intermixing region which is formed as an inorganic material permeates an organic material.Type: GrantFiled: February 22, 2019Date of Patent: December 17, 2019Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang-UniversityInventors: Seunghun Kim, Myungmo Sung, Seungyong Song, Cheol Jang
-
Patent number: 10505116Abstract: [Disclosed is] a high-efficiency and durable organic electroluminescent element having a low drive voltage, being an organic electroluminescent element having on a substrate a pair of electrodes comprising an anode and a cathode and at least one organic layer including a light-emitting layer between these electrodes, with this organic electroluminescent element containing a specific compound having a dibenzothiophene or dibenzofuran structure and a phenanthrene structure in at least one layer out of the aforementioned at least one organic layer. [Also disclosed is] this specific compound.Type: GrantFiled: July 20, 2011Date of Patent: December 10, 2019Assignee: UDC IRELAND LIMITEDInventors: Kousuke Watanabe, Wataru Sotoyama
-
Patent number: 10505122Abstract: The present specification provides a novel compound capable of significantly improving lifespan, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the compound in an organic compound layer.Type: GrantFiled: June 26, 2014Date of Patent: December 10, 2019Assignee: LG CHEM, LTD.Inventors: Sangbin Lee, Dong Hoon Lee, Jungoh Huh, Dong Uk Heo, Miyeon Han, Boonjae Jang, Minyoung Kang
-
Patent number: 10505156Abstract: The present disclosure discloses a method of patterning a quantum dot layer, a method of manufacturing a quantum dot light emitting device, and a quantum dot light emitting device. The patterning method includes the steps of: forming on a substrate a layer of film comprising a photosensitive material; irradiating a first preset region of the layer of film with light having a preset wavelength; forming a first quantum dot layer, wherein the photosensitive material in the first preset region of the layer of film is combined with a first quantum dot in the first quantum dot layer; and removing a first quantum dot in the first quantum dot layer that is not combined with the photosensitive material.Type: GrantFiled: March 20, 2018Date of Patent: December 10, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhuo Chen
-
Patent number: 10505128Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, A1, X1, X2, R1 to R4, and a1 to a4 are described in the specification.Type: GrantFiled: January 16, 2015Date of Patent: December 10, 2019Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Yeonsook Chung, Jhunmo Son, Sangmo Kim, Hyunjung Kim, Soonok Jeon, Dalho Huh, Yongsik Jung
-
Patent number: 10505117Abstract: An organic light emitting diode device includes a first electrode, a second electrode, an organic emission layer, an electron transport layer and a buffer layer. The second electrode is opposite to the first electrode. The organic emission layer is located between the first and second electrodes. The electron transport layer is located between the organic emission layer and the second electrode. The buffer layer is located between the organic emission layer and the electron transport layer, and is made of at least one material selected from a pyrene compound represented by the following Chemical Formula 1, an anthracene compound represented by the following Chemical Formula 2 and a combination thereof: Here, the definitions of R1, R2 and A are as described in the specification.Type: GrantFiled: June 6, 2014Date of Patent: December 10, 2019Assignee: Samsung Display Co., Ltd.Inventors: Se-Jin Cho, Chang-Min Lee
-
Patent number: 10505148Abstract: A display device includes a display device including a substrate, and a display unit disposed on the substrate. An encapsulating unit encapsulates the display unit. The encapsulating unit includes a barrier organic layer. The barrier organic layer includes a plurality of organic materials and a plurality of inorganic materials. The inorganic materials are arranged in free volumes between the organic materials.Type: GrantFiled: December 28, 2017Date of Patent: December 10, 2019Assignees: SAMSUNG DISPLAY CO., LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Seungyong Song, Hyojeong Kwon, Seunghun Kim, Myungmo Sung, Kwanhyuck Yoon
-
Patent number: 10497876Abstract: In the organic electroluminescent device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor. In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.Type: GrantFiled: December 16, 2015Date of Patent: December 3, 2019Assignees: Hodogaya Chemical Co., Ltd., SFC Co., Ltd.Inventors: Norimasa Yokoyama, Shuichi Hayashi, Takeshi Yamamoto, Naoaki Kabasawa, Daizou Kanda, Shunji Mochizuki, Soon-wook Cha, Sang-woo Park, Ju-man Song, Kyung-seok Jeon
-
Patent number: 10494474Abstract: An article of manufacture includes a zinc sulfide layer and a coupling agent adhered to the zinc sulfide layer by a disulfide bond. The coupling agent comprises a functional group extending from the zinc sulfide layer.Type: GrantFiled: October 27, 2017Date of Patent: December 3, 2019Assignee: RAYTHEON COMPANYInventors: Thomas M. Deppert, David R. Smith, William C. Mollberg, Brian J. Zelinski
-
Patent number: 10490752Abstract: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer disposed between an anode and a cathode, wherein the light-emitting layer comprises a host and a phosphorescent dopant, wherein the host comprises a plurality of host compounds, wherein at least a first host compound of the plurality of host compounds has an amine-carbazole structure substituted with naphthyl-phenyl and aryl (Formula 1), and a second host compound has a di-C-benzocarbazole structure comprising nitrogen-containing heteroaryl (Formula 2). By using the plurality of host compounds of the present disclosure, the organic electroluminescent device may have long lifespan while maintaining high efficiency at high luminance compared to the conventional organic electroluminescent device using a sole host compound.Type: GrantFiled: April 25, 2016Date of Patent: November 26, 2019Assignee: Rohm and Haas Electronic Materials Korea Ltd.Inventors: Bitnari Kim, Hee-Ryong Kang, Young-Mook Lim, Jin-Ri Hong, Tae-Jin Lee, Sang-Hee Cho
-
Patent number: 10488962Abstract: Provided are an organic light-emitting diode display device with a touch control function and a manufacturing method therefor. The display device comprises multiple pixel units. Each pixel unit comprises a display area (101A), a detection area (101B), multiple organic light-emitting diode elements located in the display area (101A), and infrared light detection elements located in the detection area. The multiple organic light-emitting diode elements comprise at least one of a red light organic light-emitting diode element and a blue light organic light-emitting diode element, an infrared light organic light-emitting diode element and a green light organic light-emitting diode element. Compared with an infrared touch device in the prior art, the organic light-emitting diode display device with the touch control function is smaller in size.Type: GrantFiled: January 4, 2015Date of Patent: November 26, 2019Assignee: TRULY (HUIZHOU) SMART DISPLAY LIMITEDInventors: Zhisheng Xie, Junhai Su, Yaqing Huang, Jianhua Li
-
Patent number: 10483328Abstract: The present invention provides an organic light-emitting element comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel, which have different colors, the organic light-emitting element comprising: a substrate; a first electrode arranged on the substrate; a second electrode arranged on the first electrode so as to face the first electrode; an organic light-emitting layer arranged between the first electrode and the second electrode, the organic light-emitting layer comprising a first organic light-emitting layer arranged on the first sub-pixel, a second organic light-emitting layer arranged on the second sub-pixel, and a third organic light-emitting layer arranged on the third sub-pixel; a hole transport layer arranged between the first electrode and the organic light-emitting layer; and a light-emitting supplement layer arranged between the hole transport layer and the organic light-emitting layer, the light-emitting supplement layer comprising a first light-emitting supplement layer, which iType: GrantFiled: March 10, 2016Date of Patent: November 19, 2019Assignee: Duk San Neolux Co., LtdInventors: Bum Sung Lee, Mun Jae Lee, Sung Yun Mun, Dae Sung Kim, Jung Cheol Park, Jae Taek Kwon, Seok Jong Lee, Sun Pil Hwang
-
Patent number: 10476008Abstract: A compound for an organic optoelectric device represented by Chemical Formula 1, a composition for an organic optoelectric device, and an organic optoelectric device and display device including the same are disclosed. Chemical Formula 1 is the same as defined in the specification.Type: GrantFiled: March 13, 2017Date of Patent: November 12, 2019Assignee: Samsung SDI Co., Ltd.Inventors: Byungku Kim, Jinhyun Lui, Eun Sun Yu, Sangshin Lee, Chunkeun Jang, Sung-Hyun Jung, Ho Kuk Jung, Sujin Han
-
Patent number: 10476010Abstract: Compounds comprising a ligand LA selected from the group consisting of Formula I and Formula II may be useful as blue phosphorescent materials in OLED devices. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.Type: GrantFiled: October 20, 2016Date of Patent: November 12, 2019Assignee: Universal Display CorporationInventor: George Fitzgerald
-
Patent number: 10468609Abstract: New organic materials having polyaromatic structure containing boron and high triplet energy are disclosed. The high triplet energy materials are useful as host materials in PHOLEDs and improve device quantum efficiency and stability.Type: GrantFiled: May 1, 2017Date of Patent: November 5, 2019Assignee: Universal Display CorporationInventors: Chi Hang Lee, Siu Tung Lam, Raymond Kwong
-
Patent number: 10468610Abstract: An isomer-mixture metal complex composition that includes a plurality of atropisomers is described. This isomer-mixture metal complex composition is a metal complex composition which is a mixture of isomers each comprising a metal atom and a plurality of ligands, and is characterized by containing a plurality of atropisomers because at least one of the ligands has an aromatic ring as a substituent and the free rotation of the axis of the bonding between the aromatic ring and the ligand is inhibited by the formation of a complex of the metal atom with other ligand(s). An organic EL element using the isomer-mixture metal complex composition as a material for organic EL element is also described. Further, an illuminator and a display device which are obtained using the organic EL element are described.Type: GrantFiled: March 20, 2014Date of Patent: November 5, 2019Assignee: KONICA MINOLTA, INC.Inventors: Motoaki Sugino, Hiroshi Kita
-
Patent number: 10466549Abstract: A display device includes a substrate including a display area and a peripheral area outside the display area; a plurality of light emitting elements formed in the display area; a sealing layer formed in the display area and the peripheral area so as to seal the plurality of light emitting elements and having an upper surface positioned lower in the peripheral area than in the area; a spacer layer laminated on the sealing layer at least in the peripheral area to contribute to form a continuous flat surface extending from the display area to the peripheral area; and a film attached to the flat surface in the area including the display area and the peripheral area.Type: GrantFiled: July 28, 2017Date of Patent: November 5, 2019Assignee: Japan Display Inc.Inventor: Masamitsu Furuie
-
Patent number: 10468605Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.Type: GrantFiled: September 27, 2017Date of Patent: November 5, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Seung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
-
Patent number: 10461260Abstract: A luminescent materials including donor-acceptor compounds with a nitrogen containing donor connected to the 1-position of a carbazole and triazene acceptor connected at the 9-position is disclosed.Type: GrantFiled: June 3, 2014Date of Patent: October 29, 2019Assignee: Universal Display CorporationInventors: Yi-Tza Hung, Ken-Tsung Wong, Raymond Kwong, Chuanjun Xia
-
Patent number: 10454043Abstract: The present specification relates to a novel hetero-cyclic compound and an organic light emitting device using the same.Type: GrantFiled: October 30, 2015Date of Patent: October 22, 2019Assignee: HEESUNG MATERIAL LTD.Inventors: Mi-Jin Kim, Kee-Yong Kim, Yang-Soo Ha, Jin-Seok Choi, Dae-Hyuk Choi, Sung-Jin Eum, Joo-Dong Lee
-
Patent number: 10454064Abstract: A method for encapsulating an OLED device includes providing a substrate on which a barrier layer is formed; forming a surface active layer that includes multiple strips on the barrier layer; forming buffer strips on the surface active layer to correspond, in a one-to-one manner, to the strips of the surface active layer; and allowing the buffer strips to spread over the substrate and cover the barrier layer to form a buffer layer. The surface active layer that is sandwiched between and in direct contact with the barrier layer and the buffer layer includes a material that creates a hydrogen bond with a material of the buffer layer to enhance bonding therebetween.Type: GrantFiled: May 17, 2019Date of Patent: October 22, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventor: Hui Huang
-
Patent number: 10454038Abstract: A delayed fluorescence material comprising a compound represented by the general formula below. At least one of R1 to R8 represent an electron-donating group and the others represent a hydrogen atom; at least one of R9 to R16 represent an electron-withdrawing group and the others represent a hydrogen atom.Type: GrantFiled: July 13, 2012Date of Patent: October 22, 2019Assignee: KYULUX, INC.Inventors: Tetsuya Nakagawa, Chihaya Adachi
-
Patent number: 10446630Abstract: The present disclosure relates to a thin film transistor (TFT) substrate, a manufacturing method thereof, and an organic light-emitting (OLED) substrate. The interlayer dielectric layer manufactured by the manufacturing method may be configured in the structure of two silicon oxide layers sandwiching one silicon nitride layer. As such, the bonding force between the interlayer dielectric layer and the gate, and the bonding force between the interlayer dielectric layer, and the source and the drain may be improved. The source and the drain may be prevented from falling off from the interlayer dielectric layer during the annealing process. Production yield of the TFT substrate may be improved. The OLED substrate adopting the manufactured of the OLED substrate of the present disclosure may have a better production yield and quality.Type: GrantFiled: March 16, 2018Date of Patent: October 15, 2019Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Lei Yu, Songshan Li
-
Patent number: 10439146Abstract: In an organic compound, two groups each including a benzonaphthofuranylamine skeleton are bonded to a central skeleton including a fluorene skeleton. The organic compound emits favorable blue light. Furthermore, the organic compound has a high hole-transport property.Type: GrantFiled: July 29, 2016Date of Patent: October 8, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kaori Ogita, Sachiko Kawakami, Tsunenori Suzuki, Naoaki Hashimoto, Yusuke Takita, Satoshi Seo
-
Patent number: 10439152Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, groups and variables are the same as described in the specification.Type: GrantFiled: December 23, 2016Date of Patent: October 8, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Banglin Lee, Kum Hee Lee, Sunyoung Lee, Hyeonho Choi
-
Patent number: 10439158Abstract: A light-emitting element includes a stack of a first light-emitting layer emitting fluorescent light and a second light-emitting layer emitting phosphorescent light between a pair of electrodes. The second light-emitting layer includes a first layer in which an exciplex is formed, a second layer in which an exciplex is formed, and a third layer in which an exciplex is formed. The second layer is located over the first layer, and the third layer is located over the second layer. An emission peak wavelength of the second layer is longer than an emission peak wavelength of the first layer and an emission peak wavelength of the third layer.Type: GrantFiled: February 21, 2018Date of Patent: October 8, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Takuya Kawata, Nobuharu Ohsawa, Yusuke Nonaka, Takahiro Ishisone, Satoshi Seo
-
Patent number: 10439140Abstract: There is provided a hole transport polymer having a carbazole group and an amino nitrogen having Formula I In the formula: Ar1, Ar2, and Ar4 are the same or different and are substituted or unsubstituted aryl groups or deuterated aryl groups; Ar3 is substituted or unsubstituted aryl groups or deuterated aryl groups; E is the same or different at each occurrence and is selected from the group consisting of H, D, halide, alkyl, aryl, siloxane, deuterated alkyl, deuterated aryl, deuterated siloxane, and a crosslinking group; R1-R2 are the same or different at each occurrence and are selected from the group consisting of D, F, CN, alkyl, fluoroalkyl, aryl, heteroaryl, amino, silyl, germyl, alkoxy, aryloxy, fluoroalkoxy, siloxane, siloxy, deuterated alkyl, deuterated partially-fluorinated alkyl, deuterated aryl, deuterated heteroaryl, deuterated amino, deuterated silyl, deuterated germyl, deuterated alkoxy, deuterated aryloxy, deuterated fluoroalkoxy, deuterated siloxane, deuterated siloxy, and crosslinking grType: GrantFiled: November 18, 2015Date of Patent: October 8, 2019Assignee: LG Chem, Ltd.Inventors: Nora Sabina Radu, Kerwin D. Dobbs, Adam Fennimore, Weiying Gao, Gene M. Rossi, Juergen Weber
-
Patent number: 10439150Abstract: A light-emitting element emitting phosphorescence and having high emission efficiency, in which a property of injecting holes to a light-emitting layer is increased, is provided. The light-emitting layer of the light-emitting element includes a first organic compound represented by the following general formula (G1) and a second organic compound which is a phosphorescent compound. The difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is lower than or equal to 0.3 eV.Type: GrantFiled: November 14, 2016Date of Patent: October 8, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tomonori Nakayama, Takako Takasu, Satoko Shitagaki, Harue Osaka, Toshiki Hamada
-
Patent number: 10428090Abstract: A condensed-cyclic compound and an organic light-emitting device including the same are provided. The compound is represented by the formula wherein ring A, ring B, and ring C are each independently selected from a C5-C30 carbocyclic group and a C1-C30 heterocyclic group, each of L1 to L9 is independently selected from a substituted or unsubstituted C3-C10 cycloalkylene group, a substituted or unsubstituted C1-C10 heterocycloalkylene group, a substituted or unsubstituted C3-C10 cycloalkenylene group, a substituted or unsubstituted C1-C10 heterocycloalkenylene group, a substituted or unsubstituted C6-C60 arylene group, a substituted or unsubstituted C1-C60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group, and each of Ar1 to Ar6, R1 to R3, R11, and R12 are further defined.Type: GrantFiled: August 3, 2018Date of Patent: October 1, 2019Assignee: Samsung Display Co., Ltd.Inventors: Mieun Jun, Soobyung Ko, Haejin Kim, Youngkook Kim, Seokhwan Hwang
-
Patent number: 10431749Abstract: Disclosed is an organic electroluminescent element which is excellent with respect to luminous efficiency and driving voltage and rarely undergoes initial luminance drop. Specifically disclosed is an organic electroluminescent element which comprises, on a substrate, a pair of electrodes composed of an anode and a cathode and a light-emitting layer arranged between the electrodes, and additionally comprises at least one organic layer arranged between the light-emitting layer and the cathode, where in the light-emitting layer contains, for example, a compound (A-1), and the at least one layer arranged between the light-emitting layer and the cathode contains, for example, a compound (e-4).Type: GrantFiled: July 8, 2011Date of Patent: October 1, 2019Assignee: UDC Ireland LimitedInventors: Kuniyuki Kaminaga, Toshihiro Ise
-
Patent number: 10424742Abstract: The organic EL device of the invention has, in order, an anode, a hole transport layer, a luminous layer, an electron transport layer and a cathode. The hole transport layer includes an indenoacridan derivative represented by the following general formula (1), and the luminous layer includes an N-aromatic substituted indenoindole compound and/or an N-aromatic substituted carbazole compound. In the formula, A1 is a divalent aromatic hydrocarbon group, a divalent aromatic heterocyclic group or a single bond, B is a monovalent aromatic hydrocarbon group; a monovalent aromatic heterocyclic group; or a disubstituted amino group having, as a substituent, a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group; and R1 to R14 each represent a hydrogen atom or an alkyl group.Type: GrantFiled: August 6, 2015Date of Patent: September 24, 2019Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTDInventors: Shuichi Hayashi, Daizou Kanda, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin