Organic Phosphor Patents (Class 313/504)
  • Patent number: 11302722
    Abstract: An array substrate, manufacturing method thereof, and a display device according to some arrangements of the present disclosure include: a first transistor and a second transistor; an active layer of the second transistor is disposed on a side of the interlayer dielectric layer of the first transistor away from the substrate; an insulating layer is disposed between the interlayer dielectric layer of the first transistor and the active layer of the second transistor, and the insulating layer has an ability to block hydrogen.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Haixu Li, Zhanfeng Cao, Qi Yao, Dapeng Xue, Shuilang Dong
  • Patent number: 11299503
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, a coating composition comprising the compound, an organic light emitting device formed using the coating composition, and a method for manufacturing the same.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 12, 2022
    Inventors: Young Kwang Kim, Jaesoon Bae, Jaechol Lee, Yongwook Kim, Hwakyung Kim, Daeho Kim
  • Patent number: 11302746
    Abstract: 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: Grant
    Filed: June 29, 2020
    Date of Patent: April 12, 2022
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chung Hoon Lee, Seong Gyu Jang, Chang Yeon Kim, Ho Joon Lee
  • Patent number: 11299459
    Abstract: The present invention provides the compound represented by Formula 1, and an organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode, wherein the organic material layer comprises the compound represented by Formula 1. The driving voltage of an organic electronic device can be lowered, and the luminous efficiency, color purity and life time of an organic electronic device can be improved by comprising the compound represented by Formula 1 in the organic material layer.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: April 12, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Seul-gi Kim, Sun-Hee Lee, Yeon Hee Choi, Jung Wook Lee
  • Patent number: 11302756
    Abstract: A display unit, a display unit manufacturing method, and an organic light emitting diode display device are provided. The display unit includes: a substrate; a thin film transistor layer disposed above the substrate; an anode metal layer disposed above the thin film transistor layer; a pixel definition layer disposed above the anode metal layer; a light emitting structure disposed above the pixel definition layer. The pixel definition layer includes a first lamination layer and a second lamination layer disposed above the first lamination layer. Desiccants are distributed evenly in the second lamination layer.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: April 12, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ming Xiang, Shoucheng Wang
  • Patent number: 11296159
    Abstract: An embodiment of the present disclosure provides a display device including a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a light emitting layer and a second electrode overlapping the first electrode, a first partition wall between the first electrode and the second electrode, and a second partition wall overlapping the first partition wall, wherein the first partition wall includes at least one of a black pigment and a black dye, wherein the second partition wall includes an organic insulating material, and wherein a portion of the second partition wall overlaps the first electrode.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nak Cho Choi, Dae-Gi Kweon, Ji hee Kim, Kie Hyun Nam, Min Yeul Ryu, Sang Hee Yu, Jun Hee Lee, Da-young Jung
  • Patent number: 11289660
    Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: March 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungsub Lee, Taekyung Kim, Daeyup Shin
  • Patent number: 11289535
    Abstract: A transparent display panel includes a plurality of unit pixels. Each of the unit pixels includes a non-transparent region in which a first light-emitting element that generates and outputs first color light and a second light-emitting element that generates and outputs second color light are disposed and a transparent region in which a third light-emitting element that generates and outputs third color light is disposed.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: March 29, 2022
    Inventors: Jeongwoo Moon, Seong-Min Kim, Jinhyun Park, Jinkoo Chung, Chaungi Choi
  • Patent number: 11289664
    Abstract: An organic light emitting diode (OLED) utilizes dysprosium incorporated tris-(8-hydroxyquinoline) aluminum (Alq3-Dy) as the emissive layer. The OLED, which can be fabricated as a multi-layer device with each layer having a thickness of 30-300 nm, provides a luminance value at a voltage ranging from 24V to 30V of 3000-15000 cd/m2. In comparison to similar OLEDs which utilize pure Alq3, the diodes with the Alq3-Dy layer provide an electroluminescence intensity 20 times higher than diodes with a pure Alq3 layer (Alq3 OLED). In addition, the peak position (EL emission band) of the Alq3-Dy OLED is shifted to the higher wavelength side by 10 nm compared to that of the pure Alq3 OLED (from 515 nm to 525 nm).
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: March 29, 2022
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventors: Numan Salah, Ahmed Salem Alshahrie, Abdu Saeed
  • Patent number: 11289518
    Abstract: An array substrate includes a substrate, a first insulator layer on the substrate, a second insulator layer on the first insulator layer, a third insulator layer on the second insulator layer, and a first TFT and a second TFT on the substrate. The second TFT includes a second gate electrode on the first insulator layer, a second channel layer on the second insulator layer, and a second source electrode and a second drain electrode on the third insulator layer. The third insulator layer covers the second channel layer and defines a second source hole and a second drain hole.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 29, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yi-Chun Kao, Hsin-Hua Lin
  • Patent number: 11289551
    Abstract: A device is disclosed. In an embodiment the device includes an anode, an organic active layer above the anode, an organic layer sequence above the organic active layer, a metallic layer above the organic layer sequence and a cathode above the metallic layer, wherein the metallic layer includes Yb.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 29, 2022
    Assignee: PICTIVA DISPLAYS INTERNATIONAL LIMITED
    Inventors: Dominik Pentlehner, Andreas Rausch, Ulrich Niedermeier, Julia Desjardins
  • Patent number: 11289667
    Abstract: The light-emitting device includes, between an anode electrode and a cathode electrode, a light-emitting layer, a hole transport layer, and an electron transport layer. The light-emitting layer includes quantum dots configured to emit light as a result of combination of positive holes and electrons. The electron transport layer includes a metal oxide, and an energy level of a lower end of a conduction band of the metal oxide is less than or equal to an energy level of a lower end of a conduction band of the quantum dots.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 29, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tadashi Kobashi, Yoshihiro Ueta, Makoto Izumi, Noboru Iwata
  • Patent number: 11289683
    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: June 10, 2020
    Date of Patent: March 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Ji-Hyang Jang, So-Young Jo, Won-Hoe Koo
  • Patent number: 11289463
    Abstract: A display panel includes a first substrate, a plurality of first color micro light emitting diodes (LEDs), a plurality of second color LEDs and a shading layer. The first substrate has a plurality of pixel zones arranged in an array form. Each of the first color LEDs has a first light emitting surface facing to a display direction. Each of the second color LEDs has a second light emitting surface facing to the display direction. Each of the pixel zones is provided with one of the first color micro LEDs and one of the second color LEDs. The shading layer is disposed in the pixel zones. The shading layer overlaps part of the first light emitting surface and part of the second light emitting surface in the display direction.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: March 29, 2022
    Assignee: PlayNitride Inc.
    Inventors: Pei-Hsin Chen, Yi-Ching Chen, Yi-Chun Shih, Yu-Chu Li, Ying-Tsang Liu, Chih-Chiang Lu, Gwo-Jiun Sheu, Po-Jen Su
  • Patent number: 11289677
    Abstract: The present disclosure relates to display panels and display devices. A display panel has a display area and a package area surrounding the display area. The display panel includes a substrate and a package cover plate bonded to the substrate in the package area via a package material melted by laser irradiation. The display area is provided with at least one mounting hole having a hole wall, and at least a portion of the hole wall of the mounting hole is coated with the package material. A protective pattern layer disposed between at least a portion of a boundary of the package area and the mounting hole is further included for blocking at least a portion of a laser beam during a movement of the laser beam from the package area to the mounting hole.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: March 29, 2022
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Zhenhua Xing, Jinqiang Liu, Jiamei Du, Yaoyan Wu, Yawei Liu, Dongkun Liu
  • Patent number: 11289673
    Abstract: The present application provides a display panel and a manufacturing of the display panel, the display panel includes a substrate, a thin film transistor layer, and a light emitting layer successively laminated and formed. The light emitting layer includes an anode layer, a light emitting portion, and a cathode layer successively laminated and formed. The anode layer includes a laminated structure, the laminated structure includes at least one first sub layer and at least one second sub layer alternant formed on the thin film transistor layer, the laminated structure is used to form a Bragg reflection, thereby improving display quality of the display panel.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: March 29, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Dan Bai
  • Patent number: 11283037
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer and a triplet exciton quenching layer. A display apparatus includes a thin film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device, where the first electrode of the organic light-emitting device is electrically coupled to one selected from the source electrode and the drain electrode of the thin film transistor.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: March 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyosup Shin, Taekyung Kim
  • Patent number: 11283052
    Abstract: A display panel and a method for manufacturing the display panel are provided. The display substrate includes a plurality of sub-pixels; an anti-reflection layer provided on a light-exiting side of the display panel at positions respectively corresponding to the sub-pixels; a dielectric layer provided between the sub-pixels and the anti-reflection layer; the anti-reflection layer has a thickness enabling a first light and a second light to be not in-phase; the first light is a portion of ambient light reflected by a surface of the anti-reflection layer away from the sub-pixel; the second light is a portion of the ambient light sequentially refracted by and passing through the surface of the anti-reflection layer away from the sub-pixel, entering the anti-reflection layer, reflected by an interface between the anti-reflection layer and the dielectric layer, refracted by the surface of the anti-reflection layer away from the sub-pixel and entering environment.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: March 22, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Xiaochuan Chen, Minghua Xuan, Can Zhang, Ming Yang, Han Yue
  • Patent number: 11282896
    Abstract: An electroluminescent display apparatus includes: a substrate including: first to third subpixels, a circuit device layer including a driving thin-film transistor respectively in each of the first to third subpixels on the substrate, a first electrode respectively in each of the first to third subpixels, a light-emitting layer on the first electrodes, and a second electrode on the light-emitting layer, wherein the first electrode of the first subpixel includes: a first lower electrode, and a first upper electrode, wherein the first electrode of the second subpixel includes: a second lower electrode, and a second upper electrode, wherein a distance between the first lower electrode and the first upper electrode differs from a distance between the second lower electrode and the second upper electrode, and wherein the first lower electrode and the first upper electrode are electrically connected to each other through a first contact electrode therebetween.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: March 22, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Ho-Jin Kim, Gyungmin Kim, Sul Lee
  • Patent number: 11283025
    Abstract: A compound represented by formula (1): wherein R1 to R5, a to e, L1 to L3, Ar, and X are as defined in the description.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: March 22, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Taro Yamaki, Tomoki Kato, Masahiro Kawamura, Hirokatsu Ito
  • Patent number: 11276824
    Abstract: Provided is a novel compound or a light-emitting element with high emission efficiency. The provided novel compound includes a bicarbazole skeleton and a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton. The provided light-emitting element includes the compound.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: March 15, 2022
    Inventors: Miki Kanamoto, Takeyoshi Watabe, Hideko Inoue, Satoshi Seo, Satomi Mitsumori, Tatsuyoshi Takahashi
  • Patent number: 11276740
    Abstract: The semiconductor device includes: a first conductor pattern disposed on an insulating surface; and a second conductor pattern disposed on the insulating surface and spaced apart from the first conductor pattern, wherein, in a planar view, a first side of the first conductor pattern and a second side of the second conductor pattern are each formed of a plurality of sides, the first side and the second side face each other, and each of a maximum length of a plurality of sides constituting the first side and a maximum length of a plurality of sides constituting the second side is shorter than the minimum distance between the first side and the second side.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: March 15, 2022
    Assignee: Japan Display Inc.
    Inventor: Kenta Kajiyama
  • Patent number: 11270613
    Abstract: A display apparatus includes a display panel including a first display portion including, the first display portion including a first area and a second area alternately arranged in one direction, a first emission device being disposed in the first area and the second area being located adjacent to the first area and configured to transmit external light, an electronic component facing one surface of the display panel and arranged corresponding to at least the second area, and a transmittance control component between the display panel and the electronic component and configured to control transmittance of the second area.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: March 8, 2022
    Inventors: Joohyuk Bang, Sungjin Ma, Yijoon Ahn, Inho Cho
  • Patent number: 11271192
    Abstract: The present disclosure provides an organic light-emitting diode (OLED) array substrate. The OLED array substrate includes a baseplate, wherein an OLED unit is disposed on the baseplate; a first inorganic layer disposed on the OLED unit; an organic layer disposed on the first inorganic layer; an inorganic absorption layer disposed on the organic layer, wherein the inorganic absorption layer absorbs water and oxygen; and a second inorganic layer disposed on the inorganic absorption layer.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 8, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Liang Chen
  • Patent number: 11271165
    Abstract: Use of a mixture of compounds according to the present invention as a phosphorescent host material can achieve a high light emitting efficiency and a low driving voltage in an organic electric element. In addition, an organic electric element having a greatly improved lifespan, and an electronic device comprising the same are provided.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: March 8, 2022
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Mun Jae Lee, Soung Yun Mun, Jae Taek Kwon, Dae Sung Kim, Moo Jin Park, Jung Wook Lee, Seul Gi Kim, Hyun Ju Song, Bum Sung Lee, Won Sam Kim, Yun Suk Lee, Jung Hwan Park, Sun Hee Lee
  • Patent number: 11264576
    Abstract: Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 1, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Kei Yoshida, Kiyoshi Ikeda, Masahiro Kawamura
  • Patent number: 11258034
    Abstract: A display panel and a producing method therefor, a vehicle-mounted rearview mirror, and a display device. The display panel comprises: a base substrate; a pixel defining layer, located at one side of the base substrate, the pixel defining layer comprising a plurality of openings distributed in an array; a cathode layer, located at the side of the pixel defining layer opposite to the base substrate; and an auxiliary cathode layer, located at the side of the cathode layer opposite to the pixel defining layer, the auxiliary cathode layer being directly in contact with and electrically connected to the cathode layer. The auxiliary cathode layer has a first thickness at positions corresponding to the plurality of the openings, and a second thickness at positions other than the openings; the first thickness is less than the second thickness.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: February 22, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guoqiang Tang, Kuo Sun, Yangpeng Wang
  • Patent number: 11257878
    Abstract: An organic light emitting device including a pair of electrodes and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains, in a weight ratio of 50 wt % or more, an organic compound having a glass transition temperature of 130° C. or more, and the organic compound does not have a moiety represented by formula [1] below, where, in formula [1], *'s represent bonding positions.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 22, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Jun Kamatani, Yosuke Nishide
  • Patent number: 11258017
    Abstract: A semiconducting composition comprising a semiconducting polymer and a semiconducting non-polymeric polycyclic compound, wherein the semiconducting polymer comprises units of A and/or B: wherein R1, R2, R5, R6, R7, R8, x, y, p, q, r, R3, R4, R9, R10 and R11 have any of the meanings defined in the description.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: February 22, 2022
    Assignee: Wuhan Xinqu Chuangrou Optoelectronics Technology Co., LTD
    Inventors: Michael James Simms, Simon Dominic Ogier
  • Patent number: 11257869
    Abstract: A pixel arrangement structure is disclosed including a plurality of repeatedly arranged groups of sub-pixels. Each group of sub-pixels includes: one first sub-pixel and two second sub-pixels sequentially arranged in an i-th column, i being a natural number; two third sub-pixels and one first sub-pixel sequentially arranged in an (i+1)-th column; two second sub-pixels and one first sub-pixel sequentially arranged in an (i+2)-th column; and one first sub-pixel and two third pixels sequentially arranged in an (i+3)-th column. Also disclosed is a display panel including pixels arranged in accordance with the pixel arrangement structure, a display device including the display panel, and a set of masks for vapor-depositing an organic luminescent material in fabricating an organic luminescent display panel.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: February 22, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chang Luo, Zhongying Yang, Jianpeng Wu
  • Patent number: 11258048
    Abstract: The present invention provides a display panel and a display device thereof. The display panel includes a substrate, a reflective layer, pixel retaining walls, first electrodes, a light emitting layer, and a second electrode. In the present invention, by adjusting refractive indexes of first electrodes in each sub-pixel region with different colors, microcavity effects are used to enhance color saturation of emitted light and component efficiency. In this way, difficulties resulting from using vacuum evaporation methods along with fine masks to prepare hole transport layers with different thickness and problems such as low utilization of evaporation material are prevented.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 22, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bo Wang
  • Patent number: 11258029
    Abstract: A light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m?1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m?1 charge generating layer(s) including m?1 n-type charge generating layer(s) and m?1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m?1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • Patent number: 11257870
    Abstract: A display panel and a display device are provided. The display panel includes an organic electroluminescence device and a color conversion layer disposed on the organic electroluminescence device. The color conversion layer includes a quantum dot material and an organic electroluminescence material. The organic electroluminescent material is added to the color conversion layer. By mixing the organic electroluminescent material and the quantum dot material, the organic electroluminescent material forms excitons under excitation of blue light, and then singlet state excitons are transferred to quantum dots by fluorescence resonance energy, thereby improving an efficiency of the color conversion layer.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: February 22, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Aiguo Tu, Jinchuan Li, Yuanchun Wu
  • Patent number: 11251233
    Abstract: The present disclosure provides an OLED display substrate including a substrate, a pixel defining layer on the substrate, for defining a plurality of sub-pixel regions having different colors; and cavity length adjusting layers in the sub-pixel regions, wherein the cavity length adjusting layers comprise a conductive ink, and the cavity length adjusting layers have different thicknesses in the sub-pixel regions having different colors.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: February 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Li, Wei Liu, Dini Xie
  • Patent number: 11251388
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer and a triplet exciton quenching layer. A display apparatus includes a thin film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device, where the first electrode of the organic light-emitting device is electrically coupled to one selected from the source electrode and the drain electrode of the thin film transistor.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: February 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyosup Shin, Taekyung Kim
  • Patent number: 11251259
    Abstract: An organic light-emitting diode display may have rounded corners. A negative power supply path may be used to distribute a negative voltage to a cathode layer, while a positive power supply path may be used to distribute a positive power supply voltage to each pixel in the display. The positive power supply path may have a cutout that is occupied by the negative power supply path to decrease resistance of the negative power supply path in a rounded corner of the display. To mitigate reflections caused by the positive power supply path being formed over tightly spaced data lines, the positive power supply path may be omitted in a rounded corner of the display, a shielding layer may be formed over the positive power supply path in the rounded corner, or non-linear gate lines may be formed over the positive power supply path.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: February 15, 2022
    Assignee: Apple Inc.
    Inventors: Tiffany T. Moy, Yuchi Che, Seonpil Jang, Warren S. Rieutort-Louis, Bhadrinarayana Lalgudi Visweswaran, Jae Won Choi, Abbas Jamshidi Roudbari, Myung-Kwan Ryu, Hirokazu Yamagata, Keisuke Otsu
  • Patent number: 11240921
    Abstract: Various embodiments of the disclosure relate to a display device and an electronic device including the same, and for example, to a display device with a filler flow restricting structure for preventing and/or reducing part of a filler from projecting to the outside of the display device in the process of manufacturing the display device and an electronic device including the same. According to an embodiment, a display device comprises a window, a first substrate spaced apart from the window member to define a space, an optical adhesive disposed between the window and the first substrate and configured to attach the window with the first substrate, and a filler flow restricting structure disposed in the space between the window member and the first substrate and formed in a specified area of the first substrate.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 1, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seongju Cho, Jooyoung Kang, Jonghwa Kim
  • Patent number: 11232746
    Abstract: A pixel circuit of an organic light emitting device and an organic light emitting display panel are disclosed. Two steps of a pixel circuit duty cycle can be realized by completing initialization in synchronization during the program period at same time, maintaining a gate voltage of a driving transistor, and compensating for a threshold voltage drift in the driving transistor. Thereby improving response speed of the organic light emitting device, and increasing refresh rate of the display panel.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 25, 2022
    Inventors: Chunyang Wang, Qi Ouyang
  • Patent number: 11232755
    Abstract: A display substrate and a manufacturing method therefor, and a display device are provided. The display substrate includes a base substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of data lead lines, at least one group of contact pads, and a first insulation layer. The base substrate includes a display region and a bonding region; the data lines are configured to provide data signals to the sub-pixels; the data lead lines are electrically connected to the data lines, respectively; the at least one group of contact pads includes a first group of contact pads and a second group of contact pads; the first insulation layer is in gaps between the contact pads and covers edges of the contact pads, and is configured to expose surfaces, away from the base substrate, of the contact pads.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: January 25, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongliu Yang, Yudan Shui, Yongfu Diao, Wenkang Wang, Chenyu Chen
  • Patent number: 11233094
    Abstract: A display apparatus includes a substrate including a display region and a non-display region, a blue sub-pixel in the display region of the substrate, an imaginary line extending across the blue sub-pixel, a first sub-unit on a first side of the imaginary line, the first sub-unit including a red sub-pixel, a green sub-pixel, and a white sub-pixel, and a second sub-unit on a second side of the imaginary line, the second sub-unit including a red sub-pixel, a green sub-pixel, and a white sub-pixel, wherein the first sub-unit and the blue sub-pixel constitute a first pixel, and the second sub-unit and the blue sub-pixel constitute a second pixel, and wherein the blue sub-pixel emits light according to a data signal generated based on blue-related data of first pixel data corresponding to the first pixel and blue-related data of second pixel data corresponding to the second pixel.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hongsik Park, Hyungjun An, Hwanwoo Lee
  • Patent number: 11232767
    Abstract: An image display method, a display system, and a computer-readable storage medium are disclosed. The image display method includes: acquiring a first image; determining a first region and a second region in the first image; performing a first rendering algorithm on the first region in the first image and performing a second rendering algorithm on the second region in the first image, so as to obtain a second image, where a rendering resolution of the first rendering algorithm is greater than a rendering resolution of the second rendering algorithm; and displaying the second image.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 25, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tiankuo Shi, Xiaomang Zhang, Bin Dai, Lingyun Shi, Wei Sun, Bo Gao, Yue Li
  • Patent number: 11233115
    Abstract: A display panel and a manufacturing method thereof, and a display device are disclosed. The display panel includes: a substrate, a plurality of pixel units and a pixel defining layer, each of at least one of the pixel units comprises an organic functional layer, and the organic functional layer has a raised edge; an orthographic projection of the organic functional layer of each pixel unit on the substrate is surrounded by an orthographic projection of the second defining layer on the substrate, an orthographic projection of the first defining layer on the substrate covers the orthographic projection of the second defining layer on the substrate, and the orthographic projection of the first defining layer on the substrate overlaps with an orthographic projection of at least a portion of the raised edge on the substrate the brightness uniformity of the display panel may be improved.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: January 25, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE Technology Group Co., Ltd.
    Inventors: Xuewu Xie, Hao Liu, Yu Ai, Bowen Liu, Yubao Kong, Huihui Li
  • Patent number: 11223018
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a condensed cyclic compound of Formula 1: An organic light-emitting device including the condensed cyclic compound of Formula 1 may have high efficiency, low driving voltage, high luminance, and a long lifespan.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: January 11, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sooyon Kim, Youngkook Kim, Jongwoo Kim, Jeonga Oh, Hyejin Jung, Seokhwan Hwang, Jaeyong Lee
  • Patent number: 11223026
    Abstract: An organic light emitting display panel includes a light emitting diode array substrate and an encapsulation substrate adhered to the light emitting array diode substrate by an adhesive film. The light emitting array diode substrate includes a driving thin film transistor formed on a substrate, an organic light emitting diode including a first electrode connected to the driving thin film transistor, an organic emission layer formed on the first electrode, and a second electrode formed on the organic emission layer, and first and second passivation layers formed on the second electrode. In this regard, the first passivation layer is formed of an organic compound having at least one of the structural formulae described in Formula 1 below: wherein R1, R2, R3, R4, R5, and R6 are each independently selected from substituted or unsubstituted C6-C40 aromatic groups.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: January 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong-Dae Seo, Chang-Wook Han, Yoon-Heung Tak, Hyo-Seok Kim
  • Patent number: 11223027
    Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: January 11, 2022
    Assignee: LG DISPLAY CO., LTD
    Inventors: Hansun Park, Hyungseok Bang, Hyeongjun Lim
  • Patent number: 11223030
    Abstract: An organic light emitting display device in which a sidewall of a reflective metal layer in a blue pixel region is covered with an inorganic film and in which the reflective metal layer is thus prevented from being damaged or rendered defective when performing subsequent processes, such as etching and cleaning, for forming an anode on the reflective metal layer.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: January 11, 2022
    Assignee: DB HiTek Co., Ltd.
    Inventors: Dong-Hoon Park, Dae-Il Kim, Young-Jin Kim, Hye-Rim Eun
  • Patent number: 11222932
    Abstract: An electronic display apparatus includes a light source unit configured to provide a first light. A color filter unit is disposed on the light source unit and is configured to receive the first light. The color filter unit includes a quantum dot. A first electrode layer is disposed on a first side of the color filter unit. A second electrode layer is disposed on a second side of the color filter unit. A solar cell unit is disposed on the light source unit and includes the first electrode layer, the color filter unit, and the second electrode layer.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: January 11, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Seung-Iyong Bok
  • Patent number: 11223022
    Abstract: Disclosed are a light emitting device which has improved reliability by increasing bonding force between a cathode and organic layers contacting both surfaces thereof, and a transparent display device using the same.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyeon Kim, Eun-Jung Park, Seok-Hyun Kim, Kwan-Soo Kim
  • Patent number: 11217640
    Abstract: Disclosed is a transparent display apparatus. The transparent display apparatus includes a first substrate including a plurality of pixel areas, a first partition wall surrounding each of the plurality of pixel areas, a filling layer covering the first partition wall and the plurality of pixel areas, and a second substrate coupled to the filling layer. Accordingly, a stress applied to a display panel is reduced, and the peeling of an organic light emitting device and transmission of water are preventing from being spread, thereby enhancing the reliability of the display panel.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: January 4, 2022
    Assignee: LG Display Co., Ltd.
    Inventor: Hyunju Jung
  • Patent number: 11217773
    Abstract: A display device includes a substrate. A display element is disposed over the substrate. A first inorganic encapsulation layer is disposed on the display element. An organic encapsulation layer is disposed on the first inorganic encapsulation layer. An auxiliary layer is disposed between the first inorganic encapsulation layer and the organic encapsulation layer. The auxiliary layer has a thickness less than about 100 nm, and includes an inorganic insulating material. A second inorganic encapsulation layer is disposed on the organic encapsulation layer.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyungue Song, Heeseong Jeong, Sunhwa Kim