Plural Layers Patents (Class 313/506)
  • 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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
  • 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: 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: 11782256
    Abstract: An endoscope imager includes a system-in-package and a specularly reflective surface. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit configured to emit illumination propagating in a direction away from the imaging lens, the direction having a component parallel to the optical axis. The specularly reflective surface faces the imaging lens and forming an oblique angle with the optical axis, to deflect the illumination toward a scene and deflect light from the scene toward the camera module.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: October 10, 2023
    Assignee: OmniVision Technologies, Inc.
    Inventors: Yi-Fan Lin, Wei-Ping Chen, Jau-Jan Deng, Suganda Jutamulia
  • Patent number: 11780829
    Abstract: A compound of Formula X wherein ring A is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; ring B is absent, or present and selected from a 5-membered or 6-membered, carbocyclic or heterocyclic ring, which is optionally substituted; and at least one of ring A or ring B is present, and the hash line represents ring A fused to ring N—W1—W3 and ring B fused to ring N—W4—W6; W1, W2, W3, W4, W5, and W6 are independently selected from CR1 or N; Z is selected from CRZ or N; and Y is selected from a group consisting of C(R2)2, B(R2)2, Al(R2)2, Si(R2)2, and Ge(R2)2. An optoelectronic device selected from the group consisting of a photovoltaic device, a photodetector device, a photosensitive device, and an OLED, the optoelectronic device including an organic layer that comprises a compound of Formula X. A consumer product that includes the optoelectronic device.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: October 10, 2023
    Assignee: The University of Southern California
    Inventors: Mark E. Thompson, Abegail Tadle, Karim El Roz, Peter Ivan Djurovich, Daniel Sylvinson Muthiah Ravinson, Jessica H. Golden, Stuart W. Sawyer
  • 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: 11778883
    Abstract: A display device, an electronic equipment, and a manufacture method for manufacturing the display device are provided. The display device includes: a substrate, a plurality of light-emitting elements arranged in an array, the plurality of light-emitting elements including a first light-emitting element and a second light-emitting element; and a color filter layer. In a second direction perpendicular to the surface of the substrate, a distance between the plurality of light-emitting elements and the color filter layer is a first distance; the display device has a color deviation prevention viewing angle on a reference plane determined by the first direction and the second direction perpendicular to the surface of the substrate; the color deviation prevention viewing angle is, an angle between a connection line and the second direction; and the first distance is configured to enable the color deviation prevention viewing angle to be greater than a preset angle.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: October 3, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qing Wang, Kuanta Huang, Xiaochuan Chen
  • Patent number: 11778884
    Abstract: A display device includes a display panel and a reflection prevention unit. The reflection prevention unit includes a partition pattern overlapping a surrounding unit and having first, second, third, fourth, fifth, and sixth openings corresponding to first, second, third, fourth, fifth, and sixth light emitting areas defined therein, a first color filter overlapping the first light emitting area and the fourth light emitting area, a second color filter overlapping the second light emitting area and the third light emitting area, and a third color filter overlapping the fifth light emitting area and the sixth light emitting area. A portion of the third color filter, which is disposed in the peripheral area, is disposed on the third color filter.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeonbum Lee, Haseok Jeon
  • Patent number: 11774799
    Abstract: A backlight unit includes: a base substrate in which a light emitting area and a non-light emitting area are defined; a wiring layer including: a lower conductive layer disposed on the base substrate; an intermediate conductive layer disposed on the lower conductive layer; and an upper conductive layer disposed on the intermediate conductive layer; a light emitting element disposed on the wiring layer in the light emitting area; a connection member electrically connecting the light emitting element and the wiring layer, the connection member contacting the intermediate conductive layer of the wiring layer and the light emitting element; a backlight flexible substrate electrically connected to the wiring layer in the non-light emitting area; and a pad connection member electrically connecting the wiring layer and the backlight flexible substrate in the non-light emitting area, the pad connection member contacting the upper conductive layer of the wiring layer.
    Type: Grant
    Filed: January 29, 2023
    Date of Patent: October 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Sung Kim, Jung Hyun Kwon, Jae Won Lee
  • Patent number: 11777422
    Abstract: An actuator with a stack of thin layers operates by electrowetting droplets between the layers. The actuator includes a first layer structure and a second layer structure positioned adjacent to the first layer structure. One or more liquid droplets are pinned to one of the layers and are positioned between the layers. The other layer includes electrodes. When the electrodes are energized, they electrostatically attract the liquid droplets to create relative motion between the two layers.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: October 3, 2023
    Assignee: Massachusetts Institute of Technology
    Inventor: Jakub T. Kedzierski
  • Patent number: 11761594
    Abstract: A lighting apparatus includes an elongated light strip, a bracket and a driver. The elongated light strip includes a flexible substrate, a first color band, a second color band and a third color band. The first color band, the second color band and the third color band are arranged in parallel on the flexible substrate. The bracket is used for supporting and bending the elongated light strip. The driver is connected to the first color band, the second color band and the third color band to emit a light of a required light parameter.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: September 19, 2023
    Assignee: XIAMEN ECO LIGHTING CO. LTD.
    Inventor: Hong Kui Jiang
  • Patent number: 11765945
    Abstract: A display device includes a window, a display panel arranged below the window and including a display area and a peripheral area outside the display area; and a component arranged below the display panel and at least partially overlapping the peripheral area, wherein a black matrix is arranged on a bottom surface of the window in correspondence with an area in the peripheral area other than an area where the component is located.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: September 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seungmin Song, Seunghwan Cho, Jonghyun Choi, Taewoo Kim, Sanghoon Lee
  • Patent number: 11760077
    Abstract: Provided is a laminate that includes a thin glass film and is hence excellent in flexibility, and that is excellent in puncture resistance. A laminate for an image display apparatus of the present invention includes: a glass film; and a resin layer arranged on one side of the glass film, wherein the glass film has a thickness of more than 50 ?m and 150 ?m or less, wherein the laminate for an image display apparatus has a puncture strength measured in conformity with JIS Z 1707:1997 of more than 2 kg and 50 kg or less, and wherein the laminate for an image display apparatus has a bending radius of from 15 mm to 200 mm.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: September 19, 2023
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takeshi Murashige, Junichi Inagaki, Akiko Sugino, Tetsuro Ikeda
  • Patent number: 11765966
    Abstract: A phosphorescent metal complexes containing a ligand LA having the formula selected from is disclosed.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: September 19, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Bert Alleyne
  • Patent number: 11758768
    Abstract: An organic light-emitting display apparatus including a substrate, a first first electrode on the substrate, a first organic functional layer on the first first electrode, the first organic functional layer including a first emission layer, a first second electrode on the first organic functional layer, a second first electrode on the substrate, the second first electrode being spaced apart from the first first electrode, a second organic functional layer on the second first electrode, the second organic functional layer including a second emission layer, a second second electrode on the second organic functional layer, and a self-assembled layer between the first organic functional layer and the second organic functional layer, the self-assembled layer containing fluorine.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jaesik Kim, Yeonhwa Lee, Joongu Lee, Sehoon Jeong
  • Patent number: 11758786
    Abstract: The present disclosure provides an array substrate including a driving circuit board, and a first electrode layer, an insulating layer, and an anode structure sequentially stacked thereon. The anode structure includes a reflective layer, an intermediate dielectric layer, and a transparent conductive layer sequentially provided in a direction away from the driving circuit board. The array substrate has first, second, and third pixel regions. The anode structure includes first, second, and third anode structures. The first electrode layer includes first, second and third sub-portions. The first, second and third anode structures are coupled with the first, second and third sub-portions through first, second and third via holes in the insulating layer, respectively. A surface of the insulating layer in contact with the first, second and third anode structures is flush; and a thickness of the intermediate dielectric layer in the second, first and third anode structures increases sequentially.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: September 12, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Liu, Pengcheng Lu, Rongrong Shi, Yuanlan Tian, Junbo Wei, Dacheng Zhang
  • Patent number: 11758748
    Abstract: This disclosure provides a perovskite light-emitting diode with an adjustable light field, including a glass layer, an anode, a hole transport layer, an emission layer, an electron transport layer and a cathode in sequence from top to bottom. The electron transport layer is provided with a periodic nano-grating structure.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: September 12, 2023
    Assignee: Anhui University
    Inventors: Xingang Ren, Qing Ci, Zhixiang Huang, Kaikun Niu, Ming Fang, Guangshang Cheng, Lixia Yang
  • Patent number: 11758796
    Abstract: A light-emitting display device includes unit pixels each of which includes a first sub-pixel, a second sub-pixel, and a third sub-pixel. The first sub-pixel includes a red organic light-emitting layer to emit red light. The second sub-pixel includes a green organic light-emitting layer to emit green light. The third sub-pixel includes a blue organic light-emitting layer to emit blue light. A surface level difference of the second sub-pixel is greater than a surface level difference of the first sub-pixel and smaller than a surface level difference of the third sub-pixel.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Kishimoto Katsushi
  • Patent number: 11751426
    Abstract: A hybrid permeation barrier having two complementary layers is disclosed. The barrier includes a first layer with a relatively high stress-thickness in the range of ?1000 MPa-?m to ?200 MPa-?m and a second layer with a relatively low stress-thickness in the range ?150 MPa-?m to 300 MPa-?m. The second layer compensates for the stress caused by the first, thereby allowing for a barrier that provides good permeation without causing failure of the device due to delamination.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: September 5, 2023
    Assignee: Universal Display Corporation
    Inventors: Siddharth Harikrishna Mohan, William E. Quinn, Arpit Patel, James Robert Kantor
  • Patent number: 11751455
    Abstract: An apparatus that includes a plurality of OLEDs provided on a first substrate is disclosed. Each OLED includes a first electrode, a second electrode disposed over the first electrode, and an organic electroluminescent material disposed between the first and the second electrodes. The apparatus also includes a first capping layer that is disposed over the second electrode of at least a first portion of the plurality of OLEDs such that the first capping layer is optically coupled to at least the first portion of the plurality of OLEDs, and a second capping layer. The second capping layer is disposed over the second electrode of at least a second portion of the plurality of OLEDs such that the second capping layer is optically coupled to the second portion of the plurality of OLEDs but not the first portion of the plurality of OLEDs, and the second portion of the plurality of OLEDs is different from the first portion of the plurality of OLEDs.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 5, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Michael S. Weaver, Michael Hack
  • Patent number: 11751458
    Abstract: A display device includes a lower substrate, and a pixel including sub-pixels having one transparent area defined to transmit light on the lower substrate and a plurality of emissive areas disposed around the one transparent area and defined to emit light with at least three different colors.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: September 5, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Jae-Hee Park
  • Patent number: 11751451
    Abstract: According to one embodiment, a display device includes a pixel area including pixels each including at least one thin film transistor includes a semiconductor layer and a gate electrode, a first terminal area including a first wiring line disposed thereon connected to the at least one thin film transistor, a first protective film provided on the semiconductor layer, the gate electrode and the first wiring line, a first insulating film provided on the first protective film, a second protective film provided on the first insulating film, a second insulating film provided on the second protective film, a first opening formed in the first terminal area, and partially exposing the first wiring line, and a second opening formed to correspond to the first opening.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: September 5, 2023
    Assignee: JOLED INC.
    Inventors: Atsuhito Murai, Eiichi Sato, Masanori Miura
  • Patent number: 11744095
    Abstract: A display apparatus includes: a bottom substrate; a first light-emitable element, a second, light-emitable element, and a third light-emitable element disposed over the bottom substrate, at least one of the first, second, and third light-emitable elements including a first-color emission layer; a top substrate including a first groove, a second groove, and a third groove defined in a bottom surface thereof facing the bottom substrate, the top substrate being over the bottom substrate with the first, second, and third light-emitable elements therebetween; a reflective layer on inner surfaces of the first, second, and third grooves; a first-color color filter layer located at least partially in the first groove; each of a second-color color filter layer and a second-color quantum dot layer located at least partially in the second groove; and each of a third-color color filter layer and a third-color quantum dot layer located at least partially in the third groove.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sanghyung Lim, Soonmi Choi
  • Patent number: 11739081
    Abstract: Transition metal compounds having naphthalene imide moiety having enhanced electron withdrawing property and more metal-ligand charge transfer (MLCT) based excited state are disclosed. The disclosed compounds will improve the photoluminescent quantum yield (PLQY) and produce phosphorescent emission in red to near IR region which has many desired applications.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 29, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Pierre-Luc T. Boudreault
  • Patent number: 11741894
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, a light-emitting layer provided between the first electrode the second electrode and including a phosphor, a layered body including a metal layer, a first insulating layer provided on a second electrode side of the metal layer, and a second insulating layer provided on a light-emitting layer side of the metal layer, and having a thickness that allows electron injection from the second electrode to the light-emitting layer, a first power supply configured to apply a voltage between the first electrode and the second electrode, and a second power supply configured to apply, between the metal layer and the second electrode, a voltage of which polarity of the second polarity is opposite to a polarity of the second electrode of a voltage applied by the first power supply between the first electrode and the second electrode.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 29, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yoshihiro Ueta, Hisayuki Utsumi
  • Patent number: 11740395
    Abstract: A display device may include a display unit disposed on a substrate and a mirror substrate facing the substrate with respect to the display unit. The mirror substrate may include a first mirror layer extending continuously on a surface of a transparent substrate and a plurality of mirror patterns on the first mirror layer. The first mirror layer is formed on both a region in which the plurality of mirror patterns are formed and a region in which the plurality of mirror patterns are not formed. External light is incident to and reflected by the first mirror layer, thus reducing an image haze and enhancing a display quality of the display device. In addition, the first mirror layer and the plurality of mirror patterns may be formed by using a single halftone mask to simplify the manufacturing process and increase a productivity of the mirror substrate.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae-Woo Lee, Byoung-Ki Kim, Ho-Jin Yoon, Yun-Mo Chung
  • Patent number: 11737333
    Abstract: An organic light emitting diode display device includes a substrate having first, second, third and fourth subpixels; first, second and third color filter layers in the second, third and fourth subpixels, respectively, on the substrate; a first wavelength converting layer in the first subpixel on the substrate and second and third wavelength converting layers on the first and second color filter layers, respectively; and a light emitting diode in each of the first, second, third and fourth subpixels over the first, second and third wavelength converting.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: August 22, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ji-Hyang Jang, Tae-Shick Kim, So-Young Jo, Jin-Tae Kim
  • Patent number: 11737299
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongkyu Seo, Dongchan Kim, Wonjong Kim, Eungdo Kim, Jihye Lee, Dahea Im, Sanghoon Yim, Yoonhyeung Cho, Wonsuk Han
  • Patent number: 11737297
    Abstract: Provided is an organic electroluminescent device. The organic electroluminescent device comprises a first electrode, a second electrode, and at least two light emitting units disposed between the first electrode and the second electrode, wherein the light emitting units each comprises at least one light emitting layer, and a connection layer of a specific structure is further disposed between adjacent two light emitting units. By using a connection layer of a specific structure, the organic light-emitting device reduces the device voltage, prolongs life time of the device, and improves the device performance.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: August 22, 2023
    Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
    Inventors: Liang Gao, Huiqing Pang, Menglan Xie, Chuanjun Xia, Chi Yuen Raymond Kwong
  • Patent number: 11737356
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes an amine compound, the amine compound includes a central nitrogen atom, a carbazole group substituted to the central nitrogen atom, and a dibenzoselenophene group substituted to the central nitrogen atom, and a nitrogen atom of the carbazole group is substituted with a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group. The organic electroluminescence device thereby has high efficiency and long-life.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: August 22, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongjun Kim, Minji Kim, Eunjae Jeong, Sohee Jo, Sanghyun Han
  • Patent number: 11737308
    Abstract: A substrate and a preparation method thereof, a display panel and a preparation method thereof, and a display device are provided. The substrate includes a display region and a peripheral region positioned in a periphery of the display region and used for sealing, the substrate includes: a base substrate; an insulating layer, arranged on a side of the base substrate and positioned in the display region and the peripheral region for sealing; and a plurality of pixel units, positioned on the insulating layer corresponding to the display region, and in the peripheral region, at least one groove is disposed on a side of the insulating layer which faces away from the base substrate, a side of the groove which is away from the base substrate is open, and a depth direction of the groove is perpendicular to the base substrate.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: August 22, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Sun, Wenjun Hou, Chengyuan Luo
  • Patent number: 11735639
    Abstract: This application discloses an array substrate and a display panel. The array substrate includes a first metal layer and a second metal layer, and an area of a region overlapping the second metal layer on the first metal layer is less than that of a region not overlapping the second metal layer on the first metal layer.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: August 22, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Bei Zhou Huang
  • Patent number: 11735623
    Abstract: This disclosure is related to post processing steps for integrating of micro devices into system (receiver) substrate or improving the performance of the micro devices after transfer. Post processing steps for additional structure such as reflective layers, fillers, black matrix or other layers may be used to improve the out coupling or confining of the generated LED light. In another example, dielectric and metallic layers may be used to integrate an electro-optical thin film device into the system substrate with the transferred micro devices. In another example, color conversion layers are integrated into the system substrate to create different output from the micro devices.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: August 22, 2023
    Assignee: VueReal Inc.
    Inventors: Gholamreza Chaji, Ehsanollah Fathi
  • Patent number: 11730013
    Abstract: Disclosed is a display panel configured such that, in a structure in which the distance between a display surface and a viewer is short, the structure between a reflective plate and a first electrode (an anode) is changed such that light having three or more color peak properties for all subpixels is transmitted through a second electrode (a cathode), whereby white expression as well as color expression is possible, and a head mounted display device including the same.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: August 15, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Seung-Ryong Joung, Hong-Seok Choi, Yoon-Deok Han, Gyeong-Woo Kim, Jun-Ho Lee, Ji-Seon Jang
  • Patent number: 11730027
    Abstract: An electronic device has a peripheral region and includes a substrate, a first metal layer, and a protrusion structure. The first metal layer is disposed on the substrate. The protrusion structure is disposed on the substrate and in the peripheral region. The first metal layer extends into and ends in the protrusion structure.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: August 15, 2023
    Assignee: Innolux Corporation
    Inventors: Pai-Chiao Cheng, Meng-Kai Huang