Plural Layers Patents (Class 313/506)
  • Patent number: 11903285
    Abstract: A display device of the present disclosure includes an organic EL layer formed on a circuit portion, which is formed on a substrate, with an insulating film interposed therebetween, a cathode electrode formed on the organic EL layer in common to all pixels, and a metal wiring provided on an outer peripheral portion of an effective pixel region and electrically connecting the cathode electrode to a wiring of the circuit portion. Then, the metal wiring has a recess or a projection on a contact surface in a connection portion with the cathode electrode. Furthermore, an electronic device according to the present disclosure has the display device having the above configuration.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: February 13, 2024
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Kouichi Nakamura
  • Patent number: 11901485
    Abstract: An object is to provide a light-emitting display device in which a pixel including a thin film transistor using an oxide semiconductor has a high aperture ratio. The light-emitting display device includes a plurality of pixels each including a thin film transistor and a light-emitting element. The pixel is electrically connected to a first wiring functioning as a scan line. The thin film transistor includes an oxide semiconductor layer over the first wiring with a gate insulating film therebetween. The oxide semiconductor layer is extended beyond the edge of a region where the first wiring is provided. The light-emitting element and the oxide semiconductor layer overlap with each other.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: February 13, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryo Arasawa, Hideaki Shishido
  • Patent number: 11895871
    Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: February 6, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takeshi Koshihara, Ryoichi Nozawa
  • Patent number: 11895908
    Abstract: A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The proportion of a delayed fluorescence component in light emitted from the exciplex is higher than or equal to 5%, and the delayed fluorescence component contains a delayed fluorescence component whose fluorescence lifetime is 10 ns or longer and 50 ?s or shorter.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: February 6, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Ishisone, Shunsuke Hosoumi, Tatsuyoshi Takahashi, Satoshi Seo
  • Patent number: 11895875
    Abstract: A display device includes: a substrate including a curved portion and a flat portion; an insulating layer disposed on the substrate; a first organic light emitting diode disposed on the insulating layer and having a first projection; and a second organic light emitting diode having a second projection, wherein a light emission portion is disposed in the curved portion and the flat portion, the first projection overlaps the light emission portion disposed in the curved portion and is asymmetric in the light emission portion, and the second projection overlaps the light emission portion in the flat portion and is symmetric in the light emission portion.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ju Kwon, Hee Seong Jeong
  • Patent number: 11889753
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and lifespan of a device, an organic electronic device using the same, and an electronic device.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: January 30, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Jong Gwang Park, Yeon Hee Choi, Yun Suk Lee, Ki Ho So, Hyung Keun Park, Yeon Seok Jeong, Sun Pil Hwang, Sun Hee Lee
  • Patent number: 11882750
    Abstract: A display panel includes an emission element which outputs a source light and includes a first electrode, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer; a pixel definition layer defining an opening exposing at least a portion of the first electrode; a light-conversion pattern disposed on the pixel definition layer; a first light-blocking pattern disposed on an outer side of the light-conversion pattern in a plan view; and a second light-conversion pattern disposed on the emission element and which overlaps with the emission element in the plan view, wherein the first and second light-conversion patterns are spaced apart from each other or forming an interface therebetween.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Soo Bae, Eun-Ae Kwak, Beomsoo Park, Minjeong Oh
  • Patent number: 11882739
    Abstract: A display apparatus includes a substrate, a display unit disposed on the substrate, an insulating layer disposed on the substrate, a power supply wire disposed on the insulating layer outside the display unit, and a cladding layer. The display unit includes a pixel circuit and a display element electrically connected to the pixel circuit. The insulating layer extends from the display unit to an edge of the substrate. The power supply wire is electrically connected to the display element and includes an alignment pattern that exposes at least a portion of the insulating layer. The cladding layer covers an inner surface of the alignment pattern and contacts the at least a portion of the insulating layer.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Zail Lhee, Keunsoo Lee
  • Patent number: 11882753
    Abstract: A display panel, a display device and a method for manufacturing a display panel are discussed. The display panel includes a display area, wherein a portion of the display area is a light sensing area that overlaps an optical sensor, and a remaining portion is a general area that does not overlap the optical sensor. The display area includes a plurality of sub-pixel areas disposed in the general area and the light sensing area, and a plurality of transmissive pixel areas disposed in a light sensing area, wherein the panel includes a general light-emissive element corresponding to the sub-pixel area of the general area and including a main light-emissive layer between first and second electrodes, and a multi light-emissive element corresponding to the sub-pixel area of the light sensing area and including a main light-emissive layer and an auxiliary light-emissive layer disposed between the first and second electrodes.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: January 23, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Changhwan Kwak
  • Patent number: 11877463
    Abstract: Discussed is a light emitting display device which enables a common layer having high hole conductivity among common layers in respective stacks to include a material having a high orientation factor value so as to prevent generation of leakage current between subpixels and ensure high efficiency and a long lifespan.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: January 16, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Hyeok Lim, Bo Seong Kim, Hwa Yong Shin, Ji Hyung Lee
  • Patent number: 11877464
    Abstract: Provided is an organic light emitting device that includes an anode, a cathode provided to face the anode, and one or more light emitting units provided between the anode and the cathode, wherein the organic light emitting device includes a charge generation layer provided between the anode and the one light emitting unit, or between the two light emitting units adjacent to each other among the light emitting units, the charge generation layer comprises a p-type charge injection layer, a p-type charge generation layer, or a layer which simultaneously injects and generates p-type charges, and the p-type charge injection layer, the p-type charge generation layer, or the layer which simultaneously injects and generates p-type charges has electric conductivity of 1×10?6 S/cm or more.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: January 16, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Dongheon Kim, Nansra Heo, Wanpyo Hong, Yeon Hwan Kim, Heungwoo Choi, Jun Yun, Hyungjin Lee, Jae Seung Ha
  • Patent number: 11871619
    Abstract: An array substrate and a display panel are provided. The display panel includes the array substrate including a substrate, a driving circuit layer, a planarization layer, a reflective layer, an optical dielectric layer, a black light-shielding layer, a first electrode layer, and a pixel defining layer.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: January 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Ronggang Shangguan
  • Patent number: 11871610
    Abstract: A light-emitting structure includes a substrate, a sub-pixel stack over a surface of the substrate, and a bank including a first bank portion and a second bank portion. The sub-pixel stack has an emissive stack including an emissive layer between a first transport layer and a second transport layer, a first electrode layer coupled to the first transport layer, and a second electrode layer coupled to the second transport layer. The second bank portion is between the first bank portion and the sub-pixel stack, and the bank surrounding at least the emissive stack and the first electrode layer forms an interior space above the sub-pixel stack.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: January 9, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: David James Montgomery, Peter John Roberts
  • Patent number: 11871593
    Abstract: A method for manufacturing a display device including forming a first color filter transmitting a first color light on a base substrate to overlap first light-emitting areas, forming a second color filter transmitting a second color light different from the first color light to overlap second light-emitting areas and a first portion of a light-blocking area disposed between the first light-emitting areas, forming a partition wall including a first opening continuously overlapping the first light-emitting areas and the first portion of the light-blocking area, providing a first composition including a wavelength-converting material in the first opening, and curing the first composition to form a first color-converting layer.
    Type: Grant
    Filed: November 25, 2022
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyung Hwang, Jiseong Yang, Seon Uk Lee
  • Patent number: 11864402
    Abstract: A top emitting quantum dot light emitting diode (QLED) apparatus for an emissive display apparatus sub-pixel, with at least one bank defining an emissive region of the emissive display apparatus sub-pixel, includes an emissive layer deposited in the emissive region between a first electrode and a second electrode. The first electrode includes a reflective metal, and the second electrode has a transparent conductive electrode and an auxiliary electrode. The bank has a sloped portion adjacent the emissive region. The auxiliary electrode includes a reflective conductive metal and is configured to cover the sloped portion, and the sloped portion is configured at an angle, such that the auxiliary electrode reflects internally reflected light out of the sub-pixel in a viewing direction, and the auxiliary electrode is configured with a partially light scattering surface to broaden a reflective angle range of the auxiliary electrode.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: January 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hywel Hopkin
  • Patent number: 11864409
    Abstract: A light-emitting unit (140) is formed over a first surface (102) of a substrate (100). A first terminal (112) and a second terminal (132) are formed on the first surface (102) of the substrate (100), and are electrically connected to the light-emitting unit (140). A sealing layer (200) is formed over the first surface (102) of the substrate (100), and seals the light-emitting unit (140). In addition, the sealing layer (200) does not cover the first terminal (112) and the second terminal (132). A cover layer (210) is formed over the sealing layer (200), and is formed of a material different from that of the cover layer (210). In at least a portion of a region located next to the first terminal (112) and a region located next to the second terminal (132), a portion of an end of the cover layer (210) protrudes from the sealing layer (200).
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: January 2, 2024
    Assignees: Pioneer Corporation, Tohoku Pioneer Corporation
    Inventors: Hirotsugi Hatakeyama, Shinsuke Tanaka, Shinji Nakajima
  • Patent number: 11860382
    Abstract: The disclosure provides an optical lens structure, a method for manufacturing the same, and a display apparatus. The optical lens structure includes a substrate layer; and a plurality of optical lenses on the substrate layer. The optical lens includes a color resist material; the optical lenses are arranged in an array, and color resist materials of adjacent optical lenses have different colors from each other.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: January 2, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Can Zhang, Minghua Xuan, Xiaochuan Chen, Angran Zhang, Han Yue, Ming Yang, Ning Cong, Jiao Zhao
  • Patent number: 11856847
    Abstract: An organic light emitting display device is provided. The organic light emitting display device includes at least two or more light emitting parts between an anode and a cathode and each having a light emitting layer. At least one of the at least two or more light emitting parts includes an organic layer. The organic layer is formed of a compound comprising a functional group that reacts with alkali metals or alkali earth metals and a functional group with electron transport properties.
    Type: Grant
    Filed: January 31, 2023
    Date of Patent: December 26, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Shinhan Kim, Dohan Kim, Min Yun, Seunghee Yoon
  • Patent number: 11854777
    Abstract: A metal-channel conversion dynode comprises: a wafer comprising a first face and a second face parallel to the first face and having a thickness less than 1000 ?m; and a plurality of channels passing through the wafer from the first face to the second face at an angle to a plane of the first face and a plane of the second face. In some embodiments, each inter-channel distance may be substantially the same as the wafer thickness. In some embodiments, the wafer is fabricated from tungsten. In some other embodiments, the wafer comprises a non-electrically conductive material that is fabricated by three-dimensional (3D) printing or other means and that is coated, on its faces and within its channels, with a metal or suitably conductive coating that produces secondary electrons upon impact by either positive or negative ions.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: December 26, 2023
    Assignee: Thermo Finnigan LLC
    Inventors: Oleg Silivra, Alan E. Schoen, Johnathan W. Smith, Berg A. Tehlirian
  • Patent number: 11849620
    Abstract: A display device achieves a high resolution and a low power consumption through provision of subpixels each including a single light emitting layer and subpixels each including a plurality of overlapping light emitting layers. In the display device, it is also unnecessary to increase the number of expensive fine metal masks even for rendering of various grayscales. In addition, in the display device, different light emitting layers overlap with each other, and a charge generation layer is disposed between the overlapping light emitting layers, and, as such, emission of a secondary color can be achieved without necessity of a material for an additional light emitting layer of the secondary color.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: December 19, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Song-Yi Jeong
  • Patent number: 11848306
    Abstract: The present invention relates to a tiled image sensor. The tiled image sensor includes: a substrate on which conductive wiring is formed; and a plurality of image sensor dies arranged on the substrate to be spaced apart from each other by a first distance and electrically connected to the conductive wiring. The image sensor die includes: a plurality of light receiving sub-regions formed to be spaced apart from each other by a second distance; a peripheral circuit that is formed between the plurality of light receiving sub-regions, converts pixel current generated for each pixel included in the plurality of light receiving sub-regions into image data, and outputs the image data in block units; and a contact pad, the contact pad formed on a surface of the image sensor die to electrically connect the image sensor die to the substrate.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: December 19, 2023
    Assignee: ArcSoft Corporation Limited
    Inventor: Byung Il Min
  • Patent number: 11845256
    Abstract: A composite film module, a method for manufacturing the same, a light collecting device and a display device are provided. Each composite layers includes first and second refractive index layers, and a refractive index of the first refractive index layer is greater than that of the second refractive index layer. One first refractive index layer is provided between every two adjacent second refractive index layers. Along a thickness direction of a composite film module, first and second composite layers are adjacent to each other, a refractive index of the first refractive index layer in the first composite layer is greater than that of the first refractive index layer in the second composite layer, and the refractive index of the second refractive index layer in the first composite layer is greater than that of the second refractive index layer in the second composite layer.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: December 19, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventor: Yuefeng Gu
  • Patent number: 11844257
    Abstract: A display device includes a first pixel area including a first pixel electrode and a first organic light emitting layer, a tandem pixel area including a tandem pixel electrode, a first tandem organic light emitting layer and a second tandem organic light emitting layer, a capping layer including a first capping layer corresponding to the first organic light emitting layer and a tandem capping layer corresponding to both the first tandem organic light emitting layer and the second tandem organic light emitting layer, and a common electrode between the first capping layer and the first organic light emitting layer and between the tandem capping layer and the second tandem organic light emitting layer. Each of the first capping layer and the tandem capping layer has a thickness, and the thickness of the tandem capping layer is smaller than the thickness of the first capping layer.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Solji Kim, Jungjin Yang, Donghoon Kim, Jin Woo Park, Jinsook Bang, Seokjae Lee, Sunhye Lee, Sanghoon Yim
  • Patent number: 11844242
    Abstract: An organic light-emitting display device including a substrate; a pixel in a display area of the organic light-emitting display device, the pixel being implemented by an organic light-emitting diode on the substrate; a first inclination structure surrounding the pixel; a second inclination structure at least partially surrounding the first inclination structure; and a planarization layer covering the first inclination structure and the second inclination structure and having a refractive index that is greater than a refractive index of the first inclination structure and is greater than a refractive index of the second inclination structure, wherein a height of the first inclination structure is greater than a height of the second inclination structure.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: December 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woongsik Kim, Jinsu Byun, Koichi Sugitani, Gwangmin Cha, Saehee Han
  • Patent number: 11839142
    Abstract: A compound including a first ligand LA having a structure of Formula I is disclosed. The compound is useful a an emitter dopants in OLEDs for enhancing the OLED performance.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: December 5, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Zhiqiang Ji
  • Patent number: 11839116
    Abstract: Embodiments described herein generally relate to sub-pixel circuits that may be utilized in a display such as an organic light-emitting diode (OLED) display. The device includes substrate, pixel-defining layer (PDL) structures disposed over the section of the substrate, inorganic or metal overhang structures disposed on an upper surface of the PDL structures, and a plurality of sub-pixels. The PDL structures include a trench disposed in the top surface of the PDL structure. Each sub-pixel includes an anode, an OLED material disposed over and in contact with the anode, and a cathode disposed over the OLED material. The inorganic or metal overhang structures have an overhang extension that extends laterally over the trench. An encapsulation layer is disposed over the cathode and extends under at least a portion of the inorganic or metal overhang structures and along a top surface of the PDL structures.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: December 5, 2023
    Inventors: Ji-young Choung, Jungmin Lee, Chung-chia Chen, Yusin Lin, Dieter Haas, Si Kyoung Kim
  • Patent number: 11830966
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Hyun Min Cho
  • Patent number: 11832469
    Abstract: The present application discloses a display substrate. The display substrate may include a base substrate and a plurality of light emitting structures on the base substrate. Each of the plurality of the light emitting structures includes a first electrode, a light emitting layer, a transparent electrode, an optical adjustment layer and a second electrode, arranged along a direction away from the base substrate. Optical thicknesses of optical adjustment layers in at least two of the plurality of light emitting structures are different.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 28, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenfeng Song
  • Patent number: 11832467
    Abstract: A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: November 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyosup Shin, Tsuyoshi Naijo, Hyunyoung Kim, Dongyoun Yoo, Jiyoung Lee
  • Patent number: 11832496
    Abstract: In a color display, a color filter layer includes a dielectric layer with an array of photonic crystals, an electroluminescent material disposed on the color filter layer, and electrodes arranged to electrically energize the electroluminescent material to output white light. Each photonic crystal includes a two-dimensional (2D) array of features. The 2D array of features includes a central cavity within which the features of the 2D array of features are omitted. Each photonic crystal is tuned to a resonant wavelength by a periodicity of the two-dimensional array of features. The array of photonic crystals may include, for example, red, green, and blue photonic crystals arranged to form an array of pixels spanning a display area of the color display, in which each pixel includes at least one red photonic crystal, at least one green photonic crystal, and at least one blue photonic crystal.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: November 28, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company LTD
    Inventors: Hong-Shyang Wu, Kuo-Ming Wu
  • Patent number: 11825736
    Abstract: A compound of Formula I having isoindoline moiety is disclosed. Their unique configuration of the fused rings enable the compound to exhibit phosphorescent emission in red color region to near infrared region and are useful as emitter materials in organic electroluminescence device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 21, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Tongxiang Lu, Pierre-Luc T. Boudreault, George Fitzgerald
  • Patent number: 11825675
    Abstract: An organic light-emitting diode includes: a first electrode and a second electrode facing each other; an organic emission layer between the first electrode and the second electrode; and a hole injection layer between the first electrode and the organic emission layer, wherein the hole injection layer includes a second metal compound layer and a second metal layer, the second metal compound layer being between the first electrode and the organic emission layer, and the second metal layer being between the second metal compound layer and the organic emission layer.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: November 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeongrong Park, Dongkyu Seo, Junyong Shin, Byeongwook Yoo, Daeho Lee, Byungseok Lee
  • Patent number: 11818946
    Abstract: A compound comprising a ligand LA coordinated to a metal M, the ligand LA selected from the group consisting of Formula I, Formula II, and Formula III ring A is a 5- or 6-membered carbocyclic or heterocyclic ring; wherein ring A of Formula I connects to ring B at X1, X2, or X3 to form a five-membered chelate ring with the metal; Z1 and Z2 are independently selected from C or N; and X1 to X10 are independently selected from C or N. An organic light emitting device (OLED) comprising an anode, a cathode and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound selected from Formula I, Formula II, or Formula III, and a consumer product comprising the OLED.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: November 14, 2023
    Assignee: Universal Display Corporation
    Inventors: Zhiqiang Ji, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Suman Layek, Pierre-Luc T. Boudreault
  • Patent number: 11818949
    Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 14, 2023
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia, Ting-Chih (Carina) Wang, Bin Ma, Bert Alleyne, Vadim Adamovich
  • Patent number: 11818931
    Abstract: A display device including: a substrate; first, second, and third data lines extending in a first direction on the substrate and disposed to be adjacent along a second direction crossing the first direction; a semiconductor layer disposed on the first, second, and third data lines; a first insulating layer disposed on the semiconductor layer; first, second, and third lower storage electrodes disposed on the first insulating layer and arranged to be adjacent along the first direction; a second insulating layer disposed on the first, second, and third lower storage electrodes; a first scan line extending in the second direction on the second insulating layer; a first pixel connected to the first scan line and the first data line; a second pixel connected to the first scan line and the second data line; and a third pixel connected to the first scan line and the third data line.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Moon Jo, Sung Jae Moon, An Su Lee, Tak-Young Lee
  • Patent number: 11812636
    Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: November 7, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hyang Jang, So-Young Jo, Won-Hoe Koo
  • Patent number: 11812634
    Abstract: An organic EL device includes an active region including a plurality of organic EL elements and a peripheral region in a region other than the active region. The organic EL device includes an element substrate including a substrate supporting the organic EL elements; and a thin film encapsulation structure covering the organic EL elements and including a first inorganic barrier layer, an organic barrier layer in contact with a top surface of the first inorganic barrier layer, and a second inorganic barrier layer in contact with the top surface of the first inorganic barrier layer and a top surface of the organic barrier layer. The peripheral region includes a first protruding structure including a portion extending along at least one side of the active region, the first protruding structure supported by the substrate, and an extending portion, of the first inorganic barrier layer, extending onto the first protruding structure.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: November 7, 2023
    Assignee: Sakai Display Products Corporation
    Inventor: Katsuhiko Kishimoto
  • Patent number: 11807615
    Abstract: The present disclosure provides a compound having a formula (I): wherein Cy represents substituted or unsubstituted C5-C40 aryl; X represents oxygen atom or sulfur atom; L1 is selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; A includes a structure represented by formula (II): wherein each of L2 and L3 is independently selected from substituted or unsubstituted C5-C40 aryl, or substituted or unsubstituted C3-C40 heteroaryl; each of Ar1, Ar2, and Ar3 is independently selected from substituted or unsubstituted C5-C40 aryl, substituted or unsubstituted C3-C40 heteroaryl, or substituted or unsubstituted arylamine containing one or two nitrogen atoms; each of m, q, and r is independently selected from 0 or 1; and * indicates a connection position.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: November 7, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Lei Zhang, Wei Gao, Jinghua Niu, Wenpeng Dai, Wenjing Xiao, Yan Lu, Hongyan Zhu
  • Patent number: 11812644
    Abstract: A display apparatus includes a display region and a peripheral region adjacent to the display region. The display apparatus further includes a first flexible substrate (FFS), a driving circuit (DC), a conductive pattern (CP), a conductive line, a light-emitting device, and a support substrate. The FFS includes a first surface and a second surface opposite the first surface. The second surface includes, in the peripheral region, a cavity extending into the FFS. The DC is on the first surface and includes at least one transistor. The CP is in the cavity and is partially exposed by the cavity. The conductive line electrically connects the CP to the DC. The light-emitting device is in the display region and is electrically connected to the DC. The support substrate is on the second surface. In a view normal to the second surface, the support substrate is spaced apart from the CP.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: November 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiseong Seo, Jekil Ryu, Wonkyu Choe, Jungho Choi, Mugyeom Kim, Changyong Jeong
  • Patent number: 11803083
    Abstract: A backlight unit and a display device are disclosed. There may be provided a backlight unit and a display device with enhanced light absorption of light of an absorption wavelength band and enhanced color gamut, by including a color conversion layer (or color conversion film) for converting the wavelength band of the light emitted from a light source and a light absorption layer (or light absorption film) for absorbing light of a specific absorption wavelength band, in an area adjacent the light source.
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: October 31, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: KiSung Lim, JinSu Moon, MyungWon Seo, Hyunmin Park
  • Patent number: 11800794
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jihyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung
  • Patent number: 11793032
    Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a main sub-pixel at the main display area on the substrate; a main pixel circuit connected to the main sub-pixel, and including a main storage capacitor; an auxiliary sub-pixel at the component area on the substrate; an auxiliary pixel circuit at the peripheral area on the substrate, and including an auxiliary storage capacitor; and a connecting line connecting the auxiliary sub-pixel to the auxiliary pixel circuit. A capacity of the auxiliary storage capacitor is greater than a capacity of the main storage capacitor.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junki Jeong, Hyunho Kim, Sunyoung Jung, Meehye Jung, Seonyoung Choi, Donghwan Shim, Sanghee Jang, Chungsock Choi, Juhoon Kang, Gunhee Kim, Taehoon Yang
  • Patent number: 11788003
    Abstract: A semiconductor nanoparticle includes a core and a shell covering a surface of the core. The shell has a larger bandgap energy than the core and is in heterojunction with the core. The semiconductor nanoparticle emits light when irradiated with light. The core is made of a semiconductor that contains M1, M2, and Z. M1 is at least one element selected from the group consisting of Ag, Cu, and Au. M2 is at least one element selected from the group consisting of Al, Ga, In and Tl. Z is at least one element selected from the group consisting of S, Se, and Te. The shell is made of a semiconductor that consists essentially of a Group 13 element and a Group 16 element.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: October 17, 2023
    Assignees: OSAKA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM, NICHIA CORPORATION
    Inventors: Susumu Kuwabata, Taro Uematsu, Kazutaka Wajima, Tsukasa Torimoto, Tatsuya Kameyama, Daisuke Oyamatsu, Kenta Niki
  • Patent number: 11793020
    Abstract: A display panel includes a light emitting element and an encapsulation layer on the light emitting element. The encapsulation layer covers the light emitting element. The encapsulation layer includes a plurality of polymer layers including a block copolymer. The plurality of polymer layers includes a plurality of first polymer layers, each of which has a first refractive index, and a plurality of second polymer layers, each of which has a second refractive index greater than the first refractive index. A difference between the first refractive index and the second refractive index is in a range of about 0.1 to about 0.6.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-won Park, Wonjong Kim, Jongwoo Kim, Changyeong Song, Woosuk Jung, Jaeheung Ha
  • Patent number: 11793018
    Abstract: Disclosed in embodiments of the present disclosure are an OLED packaging structure and packaging method, and a display apparatus. The purpose that the packaging structure does not influence the display performance of an OLED device, while ensuring a uniform cell gap between a display substrate and a packaging cover plate is achieved. The main technical solution of the present disclosure is: a packaging cover plate, wherein a sealant layer is arranged on the edge of a first surface of the packaging cover plate opposite to a display substrate in an annular configuration, a region encircled by the sealant layer is filled with a filling adhesive layer, a plurality of support blocks having preset flexibility are distributed in a region corresponding to the sealant layer, and the thickness of the support block is equal to a preset distance between the packaging cover plate and the display substrate.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: October 17, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Chengyuan Luo
  • Patent number: 11785829
    Abstract: A display apparatus is described that includes a substrate having a display area and a sensor area, wherein the sensor area includes a transmission area; a plurality of first opposite electrodes arranged to correspond to the display area; and a plurality of second opposite electrodes arranged to correspond to the sensor area and surround the transmission area, wherein a shape of each of the plurality of first opposite electrodes is different from a shape of each of the plurality of second opposite electrodes.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joohee Jeon, Gunhee Kim, Donghyun Kim, Sanghoon Kim, Soohyun Moon, Seungchan Lee, Sungjin Hong, Taehoon Yang
  • Patent number: 11785837
    Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer may include a polycyclic compound represented by Formula 1, thereby exhibiting high luminous efficiency: wherein at least one selected from R1 to R3 is represented by Formula 2:
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hirokazu Kuwabara, Ryuhei Furue
  • Patent number: 11785811
    Abstract: An array substrate, a method for manufacturing the array substrate and a display device are provided. The array substrate includes: a base substrate, and a thin film transistor, a storage capacitor, and a lapping pattern for connecting the thin film transistor to the storage capacitor arranged on the base substrate; wherein the thin film transistor includes a semiconductor layer, a gate insulation layer, a gate electrode, an interlayer insulation layer, a source electrode and a drain electrode arranged sequentially in that order; the interlayer insulation layer includes at least two inorganic insulation layers and at least one organic insulation layer laminated one on another, and both a layer proximate to the base substrate and a layer distal to the base substrate in the interlayer insulation layer are the inorganic insulation layers.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: October 10, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning Liu, Jun Liu, Wei Song, Qinghe Wang, Bin Zhou, Liangchen Yan
  • Patent number: 11785841
    Abstract: A compound having a D-(?)-?-(?)-A chemical structure and improving brightness and efficiency of light-emitting is described.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: October 10, 2023
    Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Wenpeng Dai, Wei Gao, Jinghua Niu, Lei Zhang, Yang Li, Dongyang Deng, Ping An
  • Patent number: 11785828
    Abstract: A display device includes: a display panel including a substrate having first and second opposing surfaces and a light emitting element disposed on the first surface of the substrate, the display panel having a transmission area through which light is transmitted from outside the display device; a sensor facing the surface of the substrate and configured to sense light received through the transmission area; and an anti-reflective member disposed between the sensor and the substrate and to transmit light such that reflection of applied light is reduced. The anti-reflective member overlaps the transmission area when viewed in a direction normal to the first and second surfaces of the substrate.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Beom Hong, Ree Hyang Kim, Yong Sub Shim, Young Jun Yoo