Organic Phosphor Patents (Class 313/504)
-
Manufacturing method of display panel using an ink-jet printing and display panel including the same
Patent number: 11611040Abstract: A manufacturing method of a display panel and a display panel are provided by the application. The manufacturing method of the display panel includes steps of providing a substrate; forming a thin film transistor layer, an anode layer, and a pixel definition layer on the anode layer on the substrate, wherein the pixel definition layer comprises a plurality of pixel definition regions; printing an ink-jet printing ink on the anode layer inside the pixel definition regions to form an ink-jet printing precursor layer; and printing a membrane surface improving solvent on the ink-jet printing precursor layer, wherein after the membrane surface improving solvent volatilizes, an ink-jet printing layer is formed.Type: GrantFiled: January 13, 2020Date of Patent: March 21, 2023Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Aiguo Tu, Jinchuan Li, Weiran Cao, Yuanchun Wu -
Patent number: 11610951Abstract: A display panel and a method for manufacturing the display panel are provided. The display panel includes a plurality of pixel units, wherein each of the pixel units includes first sub-pixels, second sub-pixels, third sub-pixels, first pixel definition layers, and a second pixel definition layer. Each of the pixel units is enclosed by one of the first pixel definition layers into a rectangle; and the second pixel definition layer is disposed in each of the first pixel definition layers and between the first sub-pixels, the second sub-pixels, and the third sub-pixels.Type: GrantFiled: July 14, 2020Date of Patent: March 21, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Yifei Bing
-
Patent number: 11605795Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having an anode, a cathode and an organic functional layer. The organic functional layer includes an organic light-emitting layer, a first electron transmission layer, and a hole injection layer. LUMO1 and LUMO4 satisfy: |LUMO1?LUMO4|<1.7 eV. HOMO5 and HOMO4 satisfy: |HOMO5?HOMO4|<1 eV. A work function ?1 of the first dopant and a work function ?4 of the cathode satisfy: ?1<?4, and a work function ?2 of the second dopant and a work function ?3 of the anode satisfy: ?2>?3.Type: GrantFiled: October 11, 2018Date of Patent: March 14, 2023Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Shuang Cheng, Jinghua Niu, Xiangcheng Wang, Qing Zhu, Yinhe Liu, Xiaoxi Na, Lei Wen
-
Patent number: 11605791Abstract: A compound having a structure selected from the group consisting of: is disclosed.Type: GrantFiled: August 30, 2018Date of Patent: March 14, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Morgan C. Macinnis, George Fitzgerald
-
Patent number: 11605675Abstract: A display device includes a first sub-pixel have a square form, a second sub-pixel positioned to face a first side or a second side of the first sub-pixel and having a rectangular form, and a third sub-pixel positioned to face the first side or the second side of the first sub-pixel spaced from the second sub-pixel and having a rectangular form, wherein the first side and the second side of the first sub-pixel come together at an angle, and wherein the first sub-pixel, the second sub-pixel, and the third sub-pixel are configured to emit lights of different colors.Type: GrantFiled: January 8, 2020Date of Patent: March 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sangshin Lee, Jongbum Kim
-
Patent number: 11605680Abstract: A display device includes: a substrate having thereon a first subpixel, a second subpixel, and a third subpixel; a first electrode in each of the first to third subpixels on the substrate; a first bank between the first electrodes; a second bank on the first bank and having a width less than that of the first bank; a light emitting layer on the first electrodes, the first bank, and the second bank; and a second electrode on the light emitting layer. The light emitting layer provided on the second bank and the light emitting layer provided on the first bank are spaced apart from each other.Type: GrantFiled: September 25, 2019Date of Patent: March 14, 2023Assignee: LG Display Co., Ltd.Inventors: YuCheol Yang, Suhyeon Kim
-
Patent number: 11603431Abstract: The invention relates to novel compounds containing one or more units derived from 2,6-disubstituted-[1,5]naphthyridine or 1,6-disubstituted-1H-[1,5]naphthyridine-2-one, to methods for their preparation and educts or intermediates used therein, to mixtures and formulations containing them, to the use of the compounds, mixtures and formulations as organic semiconductors in organic electronic (OE) devices, especially in organic photovoltaic (OPV) devices and organic photodetectors (OPD), and to OE, OPV and OPD devices comprising these compounds, mixtures or formulations.Type: GrantFiled: December 30, 2016Date of Patent: March 14, 2023Assignee: RAYNERGY TEK INCORPORATIONInventors: Lana Nanson, Nicolas Blouin, William Mitchell, Joseph Cameron, Peter Skabara
-
Patent number: 11600786Abstract: Provided is an organic EL device having high efficiency and high driving stability while being driven at a low voltage. The organic electroluminescent device includes one or more light-emitting layers between an anode and a cathode opposite to each other. At least one of the light-emitting layers contains a host material and a light-emitting dopant, and (i) a first host formed of an indolocarbazole compound having one or two indolocarbazole rings, and (ii) a second host formed of a carbazole compound having a plurality of carbazole rings and having a bond structure represented by the following general formula (3) are used as the host material.Type: GrantFiled: March 3, 2016Date of Patent: March 7, 2023Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.Inventors: Junya Ogawa, Takahiro Kai, Masanori Hotta, Yuji Ikenaga, Mitsuru Sakai, Masashi Tada, Tokiko Ueda, Katsuhide Noguchi
-
Patent number: 11600801Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.Type: GrantFiled: March 16, 2020Date of Patent: March 7, 2023Assignee: Japan Display Inc.Inventors: Daisuke Kato, Kaichi Fukuda
-
Patent number: 11599228Abstract: An electronic device includes: a display layer; and a sensor layer on the display layer, the sensor layer including: a first sensing electrode having a first sub-sensing electrode and a second sub-sensing electrode electrically separated from the first sub-sensing electrode; and a second sensing electrode intersecting the first sensing electrode, wherein the sensor layer is configured to sense an external input through a change in mutual capacitance between the first sensing electrode and the second sensing electrode, and the sensor layer is further configured to sense an input by an active pen through a change in capacitance of each of the first sub-sensing electrode, the second sub-sensing electrode, and the second sensing electrode.Type: GrantFiled: March 10, 2021Date of Patent: March 7, 2023Assignee: Samsung Display Co., Ltd.Inventors: Seongjun Lee, Suin Kim, Jaseung Ku, Suyul Seo, Gi-Na Yoo, Dong-Hwan Lee, Jaeik Lim
-
Patent number: 11594688Abstract: An organic light emitting diode having a substrate, a first electrode, a hole transporting layer proximate the first electrode, a second electrode, an electron transporting layer proximate the second electrode, and an emissive layer between the hole transporting layer and the electron transporting layer. The emissive layer includes a square planar tetradentate platinum or palladium complex, and excimers formed by two or more of the complexes are aligned such that emitting dipoles of the excimers are substantially parallel to a surface of the substrate.Type: GrantFiled: October 17, 2018Date of Patent: February 28, 2023Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventor: Jian Li
-
Patent number: 11594683Abstract: A material for an organic electroluminescent device that is excellent in hole injection and transport abilities, electron blocking ability, stability in a thin film state, and durability is provided as a material for an organic electroluminescent device having high efficiency and high durability. Further, an organic electroluminescent device having low driving voltage, high efficiency, and a long lifetime is provided by combining the material with various materials for an organic EL device that is excellent in hole and electron injection and transport abilities, electron blocking ability, thin film stability, and durability, in such a manner that the characteristics of the materials can be effectively exhibited. An organic electroluminescent device comprising at least an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode in this order, wherein the hole transport layer comprises an arylamine compound of the following general formula (1).Type: GrantFiled: October 26, 2016Date of Patent: February 28, 2023Assignee: Hodogaya Chemical Co., Ltd.Inventors: Shuichi Hayashi, Naoaki Kabasawa, Takeshi Yamamoto, Hideyoshi Kitahara
-
Patent number: 11594579Abstract: The present application provides a display substrate, the display substrate including a plurality of sub-pixel units, the plurality of sub-pixel units arranged in a plurality of rows and columns, wherein the plurality of columns of the sub-pixel units include alternatingly disposed solid color sub-pixel unit columns and mixed color sub-pixel unit columns, the solid color sub-pixel unit columns including a plurality of sub-pixel units corresponding to the same color, and in the mixed color sub-pixel unit columns, adjacent two sub-pixel units correspond to different colors. In the same row of sub-pixel units, the sub-pixel units on both sides of the sub-pixel unit in the solid color sub-pixel unit column have different colors. The utility model also provides a display device. The display device does not appear jagged or blurred when displaying an image.Type: GrantFiled: November 1, 2019Date of Patent: February 28, 2023Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventor: Jian Xu
-
Patent number: 11588127Abstract: An organic light emitting diode display is provided that may include a first substrate, a plurality of electrodes on the first substrate and spaced apart from each other, a pixel defining layer on the plurality of electrodes, spacers on the pixel defining layer, and a second substrate on the spacers. The pixel defining layer includes a plurality of openings spaced apart from each other and respectively open to the plurality of electrodes. The spacers on the pixel defining layer are at crossing points of a plurality of virtual lines, the spacers crossing spaces between adjacent openings of the plurality of openings.Type: GrantFiled: July 12, 2021Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventor: Hee Chul Jeon
-
Patent number: 11579346Abstract: Disclosed are a color filter including a wavelength conversion layer which converts the wavelength of light, a light transmission layer formed on the wavelength conversion layer, and a wavelength filter layer formed on the light transmission layer, and an image display device. The light transmission layer transmits a light moving between the wavelength conversion layer and the wavelength filter layer and blocks the flow of outgas. The color filter includes the light transmission layer which transmits a light moving between the wavelength conversion layer and the wavelength filter layer and blocks the flow of outgas, thereby capable of achieving high color reproductivity while having excellent light-emitting efficiency and light retention rate.Type: GrantFiled: February 7, 2018Date of Patent: February 14, 2023Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Hyung Joo Kim, Juho Kim, Hyunjung Wang, Jong Soo Lee
-
Patent number: 11581496Abstract: The present specification provides a benzocarbazole-based compound of chemical formula 1 and an organic light-emitting device comprising same. The benzocarbazole-based compound as a material of an organic material layer of the organic light emitting device provides enhanced efficiency, low driving voltage and increased lifetime.Type: GrantFiled: March 27, 2018Date of Patent: February 14, 2023Assignee: LG CHEM, LTD.Inventors: Minjun Kim, Hyok Joon Kwon, Young Seok Kim, Donghee Kim, Kongkyeom Kim, Min Woo Lee
-
Patent number: 11575111Abstract: A display assembly includes a display panel and at least one optical film group each disposed on a display surface. Each optical film group includes a quarter-wave plate, a reflective polarizer and an absorbing polarizer. The reflective polarizer includes a reflective portion capable of allowing light with a polarization direction parallel to a polarization axis of the reflective polarizer to pass through and reflecting light with a polarization direction perpendicular to the polarization axis. An orthographic projection of an effective light-emitting area of at least one sub-pixel is substantially within an orthographic projection of the reflective portion. The absorbing polarizer is capable of allowing light with a polarization direction parallel to a polarization axis of the absorbing polarizer to pass through and absorbing light with a polarization direction perpendicular to the polarization axis.Type: GrantFiled: May 29, 2020Date of Patent: February 7, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weipin Hu, Hong Yang, Chun Wang, Congcong Wei, Mingxiao Jiang, Qianqian Bu, Xiao Sun, Yun Qiu, Dan Wang
-
Patent number: 11568810Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.Type: GrantFiled: May 10, 2021Date of Patent: January 31, 2023Assignee: Japan Display Inc.Inventors: Kazuyoshi Omata, Hiroyuki Kimura, Makoto Shibusawa, Hiroshi Tabatake
-
Patent number: 11569457Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, in which at least one of the organic layers includes a polycyclic compound including a plurality of electron donors and an electron acceptor connecting the electron donors, at least one of the electron donors is a condensed ring including a borepine core, and the electron acceptor includes a phenyl group including, as a substituent, at least one cyano group or a heterocycle including at least one nitrogen atom, or a heteroaryl group including an oxygen atom or a sulfur atom for forming a ring, thereby achieving improved emission efficiency.Type: GrantFiled: August 21, 2019Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jungsub Lee, Hyein Jeong, Hye Jeong Park
-
Patent number: 11563132Abstract: A solar cell of an embodiment includes: a p-electrode in which a first p-electrode and a second p-electrode are laminated; a p-type light-absorbing layer in direct contact with the first p-electrode; an n-type layer in direct contact with the p-type light-absorbing layer; and an n-electrode. The first p-electrode is disposed between the p-type light-absorbing layer and the second p-electrode. The p-type light-absorbing layer is disposed between the n-type layer and the first p-electrode. The n-type layer is disposed between the p-type light-absorbing layer and the n-electrode. The first p-electrode includes a metal oxide containing Sn as a main component.Type: GrantFiled: September 9, 2019Date of Patent: January 24, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Soichiro Shibasaki, Mutsuki Yamazaki, Kazushige Yamamoto, Yuya Honishi
-
Patent number: 11557688Abstract: A solar cell of an embodiment includes: a substrate; an n-electrode; an n-type layer; a p-type light absorption layer which is a semiconductor of a Cu-based oxide; and a p-electrode. The n-electrode is disposed between the substrate and the n-type layer. The n-type layer is disposed between the n-electrode and the p-type light absorption layer. The p-type light absorption layer is disposed between the n-type layer and the p-electrode. The n-type layer is disposed closer to a light incident side than the p-type light absorption layer. The substrate is a single substrate included in the solar cell.Type: GrantFiled: September 11, 2019Date of Patent: January 17, 2023Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Kazushige Yamamoto, Soichiro Shibasaki, Mutsuki Yamazaki, Yuya Honishi
-
Patent number: 11557635Abstract: A display device, a mask assembly, and an apparatus for manufacturing the display device are provided. The display device may reduce glare and includes sub-pixels having accurate and precise patterns. The display device including a first sub-pixel having a quadrangular shape, a second sub-pixel facing a first side of the first sub-pixel, the second sub-pixel having a quadrangular shape, and a third sub-pixel facing the first side of the first sub-pixel and spaced apart from the second sub-pixel, the third sub-pixel having a quadrangular shape, where a distance from the first side of the first sub-pixel to the second sub-pixel and a distance from the first side of the first sub-pixel to the third sub-pixel are different from each other.Type: GrantFiled: June 11, 2020Date of Patent: January 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sangshin Lee, Jongbum Kim
-
Patent number: 11555028Abstract: An organic compound represented by the following general formula [1] is excellent in thermal stability. In the general formula [1], R1 to R12 are each independently selected from the group consisting of a hydrogen atom and a substituent. Symbol A is selected from the group consisting of a divalent residue of naphthalene, phenanthrene, fluorene, benzofluorene, dibenzofluorene or spirofluorene, and a heteroarylene group having 4 to 12 carbon atoms. Symbol B is selected from the group consisting of an arylene group having 6 to 25 carbon atoms and a heteroarylene group having 4 to 12 carbon atoms. Symbol n is an integer of 0 to 3.Type: GrantFiled: October 18, 2018Date of Patent: January 17, 2023Assignee: CANON KABUSHIKI KAISHAInventors: Yosuke Nishide, Naoki Yamada, Hiroki Ohrui, Hironobu Iwawaki, Hirokazu Miyashita, Jun Kamatani
-
Patent number: 11556075Abstract: A light emitting device, includes: a base plate extending in a first direction; multiple light emitting units arranged on a surface of the base plate while being shifted from each other in the first direction, and each including a support body extending in the first direction and multiple light sources supported on the support body while being arranged in the first direction; and a flow path disposed over the surface of the base plate to surround at least part of the light emitting units and allowing air to flow therethrough in the first direction.Type: GrantFiled: October 22, 2020Date of Patent: January 17, 2023Assignee: FUJIFILM Business Innovation Corp.Inventors: Yosuke Kasuya, Tsutomu Otsuka
-
Patent number: 11552256Abstract: To provide a light-emitting element with an improved reliability, a light-emitting element with a high current efficiency (or a high quantum efficiency), and a novel dibenzo[f,h]quinoxaline derivative that is favorably used in a light-emitting element which is one embodiment of the present invention. A light-emitting element includes an EL layer between an anode and a cathode. The EL layer includes a light-emitting layer; the light-emitting layer contains a first organic compound having an electron-transport property and a hole-transport property, a second organic compound having a hole-transport property, and a light-emitting substance; the combination of the first organic compound and the second organic compound forms an exciplex; the HOMO level of the first organic compound is lower than the HOMO level of the second organic compound; and a difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is less than or equal to 0.4 eV.Type: GrantFiled: September 13, 2019Date of Patent: January 10, 2023Inventors: Satoshi Seo, Takao Hamada, Tatsuyoshi Takahashi, Yasushi Kitano, Hiroki Suzuki, Hideko Inoue
-
Patent number: 11552159Abstract: Embodiments of the disclosed subject matter provide a device having a substrate, and a plurality of unit areas of an organic light emitting diode (OLED) display disposed on the substrate. The unit areas may be repeating, area-filling subdivisions of the substrate that each have an anode and a cathode. The organic film may be disposed over portions of the device other than the unit areas. The device may include at least one pixel having a plurality of sub-pixels disposed within each of the plurality of unit areas. The cathode of at least one pixel of each of the plurality of unit areas may be a common cathode.Type: GrantFiled: June 5, 2019Date of Patent: January 10, 2023Assignee: Universal Display CorporationInventors: Xin Xu, Gregory McGraw, William E. Quinn, Gregg Kottas, Jason Paynter, Julia J. Brown
-
Patent number: 11552261Abstract: A compound having the following formula Formula I, is disclosed. The compound is useful as an emitter in OLED applications.Type: GrantFiled: May 1, 2018Date of Patent: January 10, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan Chen, Tyler Fleetham
-
Patent number: 11545087Abstract: A display device including: a plurality of sub-pixels arranged in a matrix, each including an electro-optical element having a structure in which a display functional layer is sandwiched between an upper electrode and a lower electrode; and an auxiliary interconnect contact in a pixel area in which the plurality of sub-pixels are arranged in a matrix and electrically connecting the upper electrode to an auxiliary interconnect, wherein m (m is an integer equal to or larger than two) sub-pixels adjacent to each other along an arrangement direction of the sub-pixels are regarded as one group, and n (n is a natural number smaller than m) auxiliary interconnect contacts are formed for each group.Type: GrantFiled: June 8, 2021Date of Patent: January 3, 2023Assignee: SONY CORPORATIONInventors: Junichi Yamashita, Katsuhide Uchino
-
Patent number: 11538892Abstract: A display panel, a manufacturing method of the display panel, and a display device including the display panel are provided. The display panel includes an insulating substrate; a first circuit at a first side of the insulating substrate; and a second circuit at a second side of the insulating substrate. The first side and the second side of the insulating substrate are opposite to each other in a first direction perpendicular to a display surface, and the first circuit and the second circuit on opposing sides of the insulating substrate are electrically connected by tapered through hole and tapered pad.Type: GrantFiled: April 9, 2020Date of Patent: December 27, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Shulei Li, Hua Huang, Changhan Hsieh
-
Patent number: 11538872Abstract: The present disclosure relates to a display structure, a display panel including the display structure, and a display device including the display panel and an image acquisition device. The display structure includes a plurality of pixels disposed in a first region of the display structure, wherein each pixel of the plurality of pixels includes a plurality of sub-pixels of N number of colors, and each sub-pixel of the plurality of sub-pixels includes an organic light emitting diode; and N number of driving circuits disposed in a second region of the display structure, wherein an ith driving circuit of the N number of driving circuits is configured to drive each sub-pixel of an ith color of the plurality of sub-pixels, wherein 1?i?N and N is an integer greater than 1.Type: GrantFiled: September 20, 2019Date of Patent: December 27, 2022Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventor: Qingfang Bian
-
Patent number: 11532803Abstract: A method of manufacturing a display panel includes providing a base substrate and forming a plurality of anodes above the base substrate; forming a photoresist layer above a side of the base substrate above which the plurality of anodes are formed, the photoresist layer including a plurality of openings and each opening corresponding to at least one anode; and forming a plurality of light emitting layers and a cathode layer sequentially above a side of the base substrate above which the plurality of anodes and the photoresist layer are formed, the cathode layer including a plurality of cathode films and each cathode film corresponding to a single opening.Type: GrantFiled: July 24, 2019Date of Patent: December 20, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Kuanta Huang, Minghua Xuan, Lei Wang, Yanming Wang, Dongni Liu, Han Yue, Weihai Wang
-
Patent number: 11532664Abstract: A light emitting diode (LED) stack for a display including a first LED sub-unit configured to emit a first colored light, a second LED sub-unit disposed on the first LED sub-unit and configured to emit a second colored light, and a third LED sub-unit disposed on at least one of the first LED sub-unit and the second LED sub-unit and configured to emit a third colored light, in which the first LED sub-unit is configured to emit light through the second LED sub-unit and the third LED sub-unit, and the second LED sub-unit is configured to emit light through the third LED sub-unit.Type: GrantFiled: June 29, 2020Date of Patent: December 20, 2022Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
-
Patent number: 11527590Abstract: A light emitting display apparatus according to an exemplary embodiment of the present disclosure includes an insulating layer on a substrate and including a base portion and a protrusion portion having an uneven portion at a part of the base portion, a first electrode covering an upper portion of the base portion and a side portion and a upper portion of the protrusion portion and disposed along the shape of the uneven portion, a bank layer covering a part of the insulating layer and a part of the first electrode, and an emission layer on the first electrode and the bank layer, and a second electrode on the emission layer.Type: GrantFiled: May 7, 2020Date of Patent: December 13, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Dongmin Sim, Wonhoe Koo, Hyekyung Choi, YongCheol Kim, Kyunghoon Han, YoungDock Cho
-
Patent number: 11527096Abstract: Provided is an electronic device measuring user's biometric information. The electronic device includes a display module including a display panel, in which a signal transmission region, a peripheral display region adjacent to the signal transmission region, and a main display region spaced apart from the signal transmission region are provided, and a camera module overlapped with the signal transmission region. The display panel includes a plurality of first pixels, which are disposed in a unit region of the main display region, and a plurality of second pixels, which are disposed in a unit region of the peripheral display region. An emission area of green light in the unit region of the first pixels is different from an emission area of green light in the unit region of the second pixels.Type: GrantFiled: December 9, 2020Date of Patent: December 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Yuna Kim, Keumdong Jung, Suk Kim, Soojung Lee, Yun-Ho Kim, Goeun Cha
-
Patent number: 11524947Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.Type: GrantFiled: December 18, 2019Date of Patent: December 13, 2022Assignee: LG DISPLAY CO., LTD.Inventors: So-Young Jang, Hee-Jun Park, Jeong-Dae Seo, Seon-Keun Yoo, Ji-Cheol Shin, Sang-Beom Kim
-
Patent number: 11527733Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.Type: GrantFiled: February 18, 2021Date of Patent: December 13, 2022Assignee: Samsung Display Co., Ltd.Inventors: Chi-O Cho, Byungchoon Yang, Young-Jun Seo, Won Sang Park
-
Patent number: 11520211Abstract: An electro-optic assembly includes a layer of electro-optic material configured to switch optical states upon application of an electric field and an anisotropically conductive layer having one or more moisture-resistive polymers and a conductive material, the moisture-resistive polymer having a WVTR less than 5 g/(m2*d).Type: GrantFiled: December 17, 2019Date of Patent: December 6, 2022Assignee: E Ink CorporationInventor: Darwin Scott Bull
-
Patent number: 11522110Abstract: This disclosure discloses a light-emitting diode chip, a method for fabricating the same, a backlight module, and a display device. The light-emitting diode chip includes: a transparent base substrate; at least one light-emitting diode located on one side of the base substrate; and a dimming structure located on a side of the base substrate away from the light-emitting diode, wherein the light-emitting diode is configured to emit light from double sides thereof; and the dimming structure is configured to adjust the intensity of light emitted from the side of the base substrate away from the light-emitting diode.Type: GrantFiled: October 17, 2018Date of Patent: December 6, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Ting Tian, Yawen Zhang, Ming Zhai, Dayong Zhou, Jinge Zhao, Pan Guo, Shuqian Dou, Xiaoliang Fu, Zhiqiang Fan, Meijuan An, Liguang Deng, Yongjie Han
-
Patent number: 11522151Abstract: An organic light-emitting device includes a first electrode layer, an emission layer, an electron transporting layer, an electron injection layer, and a second electrode layer sequentially formed from bottom to top. The emission layer includes a guest light-emitting material, a first phenyl phosphine oxide derivative and a hole transporting material. The electron transporting layer includes a second phenyl phosphine oxide derivative and a third phenyl phosphine oxide derivative different from the second phenyl phosphine oxide derivative. One of the second phenyl phosphine oxide derivative and the third phenyl phosphine oxide derivative is identical to the first phenyl phosphine oxide derivative. The electron injection layer includes an alkaline metal compound.Type: GrantFiled: January 29, 2019Date of Patent: December 6, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Hsin-Fei Meng, Sheng-Fu Horng, Yu-Chiang Chao, Chih-Yu Chang, Yu-Fan Chang, Mei-Peng Liou, Qian-Wei Lin, Hsiao-Tso Su, Chiung-Wen Chang
-
Patent number: 11518844Abstract: Disclosed herein are methods of preparing an aminimide. An epoxy compound is reacted with a hydrazine compound comprising a trivalent nitrogen, and an anhydride functional material or a cyclic compound containing a carbonyl group and at least one heteroatom alpha to the carbonyl group at a temperature greater than 20° C. to form the aminimide. At least one of the epoxy compound and the anhydride functional material or the cyclic compound is polymeric.Type: GrantFiled: June 18, 2019Date of Patent: December 6, 2022Assignee: PPG Industries Ohio, Inc.Inventors: Hongying Zhou, Masayuki Nakajima, Shanti Swarup, Tien-Chieh Chao
-
Patent number: 11520182Abstract: A color conversion film for a backlight unit that includes an array of light emitting diodes. The color conversion film includes a substantially planar base portion, and a plurality of three-dimensional structures extending from the substantially planar base portion. Each of the three-dimensional structures has at least one sloped surface with a base angle of about 55°-75° relative to the substantially planar base portion. The color conversion film includes a material having a refractive index of about 1.5-1.7.Type: GrantFiled: December 27, 2019Date of Patent: December 6, 2022Assignee: BrightViewTechnologies, Inc.Inventors: Kenneth L. Walker, Juhyun J. Lee
-
Patent number: 11522156Abstract: A display device includes: a base substrate; a TFT layer; a plurality of light-emitting elements; a sealing portion; a display region; and a frame region, wherein the sealing portion includes a first sealing film provided on the plurality of light-emitting elements, a second sealing film provided above the first sealing film, a third sealing film provided above the second sealing film, and a light-transmissive conductive film provided between two sealing films of the first sealing film, the second sealing film, and the third sealing film, an edge of the first sealing film and an edge of the third sealing film are positioned outward of an edge of the second sealing film in the frame region, and the light-transmissive conductive film is electrically connected to a first electrodes or a second electrode.Type: GrantFiled: March 29, 2018Date of Patent: December 6, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Tohru Sonoda, Takashi Ochi, Hisao Ochi, Akihiro Matsui, Tohru Senoo, Takeshi Hirase, Jumpei Takahashi
-
Patent number: 11512038Abstract: Tetraphenylene triarylamine compounds are disclosed, which are novel triarylamine compounds containing tetraphenylene building block. The compounds can be used as charge transporting materials, hole transporting materials, hole injection materials, electron blocking materials, etc., in an electroluminescent device. These novel compounds have good sublimation characters, and can offer more controllable charge transporting performance and good OLED device performance. Also disclosed are an organic electroluminescent device and a formulation.Type: GrantFiled: December 18, 2018Date of Patent: November 29, 2022Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.Inventor: Chuanjun Xia
-
Patent number: 11508910Abstract: The invention relates to novel organic semiconducting compounds containing a polycyclic unit, to methods for their preparation and educts or intermediates used therein, to compositions, polymer blends and formulations containing them, to the use of the compounds, compositions and polymer blends as organic semiconductors in, or for the preparation of, organic electronic (OE) devices, especially organic photovoltaic (OPV) devices, perovskite-based solar cell (PSC) devices, organic photodetectors (OPD), organic field effect transistors (OFET) and organic light emitting diodes (OLED), and to OE, OPV, PSC, OPD, OFET and OLED devices comprising these compounds, compositions or polymer blends.Type: GrantFiled: December 6, 2017Date of Patent: November 22, 2022Assignee: RAYNERGY TEK INCORPORATIONInventors: Graham Morse, Lana Nanson, William Mitchell, Michal Krompiec, Mansoor D'Lavari, Agnieszka Pron
-
Patent number: 11508793Abstract: An organic light emitting diode display includes a flexible substrate including a folding area and a flat area, a first insulating layer on the flexible substrate having a first opening, a first conductor on the first insulating layer, and a second insulating layer covering the first conductor with the first insulating layer also having the first opening. The organic light emitting diode display further includes a second conductor on the second insulating layer, a third insulating layer covering the second conductor and the second insulating layer, and a filling material in the first opening. A thickness of the filling material in the first opening is less than a thickness from a bottom surface of the first insulating layer to an upper surface of the second insulating layer.Type: GrantFiled: April 27, 2020Date of Patent: November 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Sung Kim, Thanh Tien Nguyen, Ki Ju Im
-
Patent number: 11508701Abstract: Each of a plurality of light emitting elements has a hexagonal shape with a center. An interior angle at each of corners is less than 180°. The plurality of light emitting elements include a first light emitting element having a first lateral side surface and a second light emitting element having a second lateral side surface. An orientation of the hexagonal shape of the second light emitting element is rotated by 30 degrees plus 30°+60°×N (N is an integer) with respect to the center of the second light emitting element relative to an orientation of the hexagonal shape of the first light emitting element such that the second lateral side surface is not parallel to the first lateral side surface.Type: GrantFiled: June 10, 2020Date of Patent: November 22, 2022Assignee: NICHIA CORPORATIONInventors: Masaki Hayashi, Yuki Shiota, Junya Narita, Keisuke Kurashita, Takanori Akaishi
-
Patent number: 11508920Abstract: A display device and a flexible OLED panel. The flexible OLED panel includes: a flexible substrate, and OLED light emitting elements on the substrate. The OLED light emitting elements include pixel circuits and functional layers including anodes disposed above the pixel circuits. The flexible OLED panel further includes pixel unit regions and non-pixel unit regions. The pixel unit regions are arranged in an array, the non-pixel unit regions are disposed between adjacent pixel unit regions. At least one of the anodes, and corresponding transistors in the pixel circuits are located in one pixel unit region, respective transistors in the adjacent pixel unit regions are connected via electrical connection lines, so that the electrical connection lines pass through at least one non-pixel unit region, and a portion of the electrical connection lines in the at least one non-pixel unit region is coated by an organic film layer.Type: GrantFiled: April 2, 2020Date of Patent: November 22, 2022Assignee: KunShan Go-Visionox Opto-Electronics Co., LtdInventors: Zhixiang Wang, Mengfan Wang, Jinku Li, Yang Shen, Menghua Kang, Xin Ye
-
Patent number: 11502265Abstract: A quantum dot white light-emitting diode includes a cathode, an anode, and a light-emitting layer disposed therebetween. The light-emitting layer includes: a blue fluorescent organic layer, a spacer layer, and a quantum dot light-emitting layer. The blue fluorescent organic layer is disposed near the cathode side, the quantum dot light-emitting layer is disposed near the anode side, and the spacer layer is disposed between the blue fluorescent organic layer and the quantum dot light-emitting layer. A material of the quantum dot light-emitting layer contains quantum dots, a material of the blue fluorescent organic layer contains a blue fluorescent organic material, and a material of the spacer layer contains a spacer material. A triplet exciton energy of the spacer material is greater than a triplet exciton energy of the blue fluorescent organic material, and a triplet exciton energy of the spacer material is greater than a quantum dot exciton energy.Type: GrantFiled: September 24, 2019Date of Patent: November 15, 2022Assignee: TCL TECHNOLOGY GROUP CORPORATIONInventors: Liang Su, Xiangwei Xie
-
Patent number: 11502269Abstract: A light-emitting device (100) includes a substrate (110), a first electrode (120), an auxiliary electrode (124), an insular conductive layer (126), an insulating layer (170), an organic layer (130), and a second electrode (140). The first electrode (120) is formed over the substrate (110), and is formed using a transparent conductive material. The auxiliary electrode (124) is formed over the first electrode (120). The conductive layer (126) is formed over the first electrode (120), and is formed of the same material as that of the auxiliary electrode (124). The insulating layer (170) is formed over a portion of the first electrode (120), and covers the auxiliary electrode (124) and the conductive layer (126). The organic layer (130) is formed over the first electrode (120), and the second electrode (140) is formed over the organic layer (130).Type: GrantFiled: June 12, 2019Date of Patent: November 15, 2022Assignee: PIONEER CORPORATIONInventor: Yohei Tanaka
-
Patent number: RE49343Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic thin-film layer disposed between the cathode and the anode, the organic thin-film layer having one or more layers including an emitting layer, in which the emitting layer includes a first material represented by the following formula (1) and a second material in a form of a fluorescent dopant material.Type: GrantFiled: August 3, 2017Date of Patent: December 20, 2022Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Masahiro Kawamura, Hirokatsu Ito, Toshinari Ogiwara, Yumiko Mizuki