Plural Layers Patents (Class 313/506)
  • Patent number: 11367756
    Abstract: A display device include a light-emitting panel having first to third light-emitting diodes and a color panel on the light-emitting panel. The color panel includes first to third color areas that transmit light of different colors and a light-blocking area. The light-emitting panel includes two first power lines spaced apart from each other, connecting electrodes electrically connected to the two first power lines, and an insulating layer on the connecting electrodes, the insulating layer having openings each of which exposing a respective one of the connecting electrodes. The first light-emitting diode, the second light-emitting diode, and the third light-emitting diode are spaced apart from one another between the two first power lines. The second color area is smaller than each of the first color area and the third color area in size. The second color area is disposed between the first color area and the third color area.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kangmoon Jo, Sungjae Moon, Ansu Lee
  • Patent number: 11367772
    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: December 19, 2018
    Date of Patent: June 21, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Kouichi Nakamura
  • Patent number: 11362306
    Abstract: A light emitting element unit includes three light emitting elements. A first light emitting element 10a is obtained by laminating a 1a-th electrode 21a, a first organic layer 23a including a first light emitting layer, a 2a-th electrode 22a, a second organic layer 23b including a second light emitting layer, and a third organic layer 23c including a third light emitting layer. A second light emitting element 10b is obtained by laminating the first organic layer 23a, a 1b-th electrode 21b, the second organic layer 23b, a 2b-th electrode 22b, and the third organic layer 23c. A third light emitting element 10c is obtained by laminating the first organic layer 23a, the second organic layer 23b, a 1c-th electrode 21c, the third organic layer 23c, and a 2c-th electrode 22c.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: June 14, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Tomoyoshi Ichikawa
  • Patent number: 11362309
    Abstract: A display device comprises a first substrate comprising at least one light-emitting element; a second substrate facing the first substrate, wherein light emitted from the light-emitting element is to be incident on the second substrate; and a filling layer between the first substrate and the second substrate, wherein the filling layer comprises a filling pattern comprising a first pattern part on the first substrate and having a curve portion formed in at least a part thereof.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: June 14, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun Ah Chung, Yo Han Kim, Jong Woo Kim, Jong Jin Park, Byoung Duk Lee, Yoon Hyeung Cho, Young Cheol Joo, Jae Heung Ha
  • Patent number: 11362078
    Abstract: According to an aspect, a display device includes: a substrate; and a plurality of pixels provided on the substrate. Each of the pixels includes a red light emitting element and a first green light emitting element. When the first green light emitting element and the red light emitting element are turned on simultaneously, an emission intensity of the first green light emitting element is lower than an emission intensity of the red light emitting element, and a half width of a spectrum of light output from the first green light emitting element is greater than a half width of a spectrum of light output from the red light emitting element.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: June 14, 2022
    Assignee: Japan Display Inc.
    Inventors: Masanobu Ikeda, Yuji Maede, Yasuhiro Kanaya
  • Patent number: 11355565
    Abstract: The present disclosure relates to a display panel. More specifically, the display panel is configured to surround an opening area, includes a reflective electrode including an inclined surface, and therefore provides increased luminous efficiency.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: June 7, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: JungSun Beak, Seongjoo Lee, Sunmi Lee
  • Patent number: 11348986
    Abstract: A display apparatus including two lines is provided. The two lines may extend in a first direction. A light-emitting device may be disposed between the two lines. Each line may be bent or extended in the direction of the device substrate which supports the light-emitting device. Thus, in the display apparatus, mixing of light emitted to the outside through the device substrate may be prevented. Therefore, in the display apparatus, the quality of realized image may be improved.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: May 31, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Seong-Joo Lee, Jung-Ho Bang, Jung-Sun Beak, Sun-Mi Lee, Tae-Hwan Kim, Hyeon-Chul Im
  • Patent number: 11349094
    Abstract: An organic light emitting element includes a first electrode a second electrode that faces the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including quantum dots, and a hole transport layer between the first electrode and the emission layer. The quantum dots include at least one of a Group I-VI compound, a Group II-VI compound, and a Group III-VI compound. The hole transport layer includes at least one of a p-doped Group I-VI compound, a p-doped Group II-VI compound, and a p-doped Group III-VI compound.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: May 31, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Chan Kim, Yi Su Kim, Byoung Duk Lee, Yoon Hyeung Cho
  • Patent number: 11349093
    Abstract: The present application provides an organic electroluminescent device and a display apparatus. The organic electroluminescent device includes a first conductive layer group, a second conductive layer group, and a light emitting layer disposed between the first conductive layer group and the second conductive layer group and in ohmic contact with the two groups. The first conductive layer group includes an electron blocking layer in ohmic contact with the light emitting layer, and a hole transport layer in ohmic contact with the electron blocking layer. The HOMO energy level of the electron blocking layer is between that of the hole transport layer and that of the light emitting layer, and the LUMO energy level of the electron blocking layer is shallower than that of the hole transport layer and that of the light emitting layer.
    Type: Grant
    Filed: April 28, 2018
    Date of Patent: May 31, 2022
    Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Xiaozhen Zhang, Lin He, Wenkai Chen
  • Patent number: 11340502
    Abstract: A display panel includes: a first substrate having a top surface and a side surface, the top surface including a display area and a non-display area outside the display area; a second substrate facing the first substrate; a first insulating structure disposed between the second substrate and the first substrate, wherein the first insulating structure overlaps the non-display area without overlapping the display area; an organic light emitting diode between the first substrate and the second substrate and overlapping the display area; a thin film encapsulation layer on the organic light emitting diode; a signal line having a side surface substantially aligned with the side surface of the first substrate, wherein the signal line is disposed on the first substrate; a second insulating structure overlapping the signal line and disposed between the first substrate and the first insulating structure, wherein the second insulating structure has a side surface substantially aligned with the side surface of the first
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 24, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seungki Song, Chansol Yoo, Jinjoo Ha, Joonhyeong Kim
  • Patent number: 11342530
    Abstract: A transparent display substrate, a manufacturing method thereof, and a transparent display device are disclosed. The transparent display substrate includes a base substrate and a pixel defining layer defining a plurality of pixel regions on the base substrate; at least one of the pixel regions includes a light-transmitting portion and a light-emitting portion, and is provided with an OLED layered portion and an auxiliary electrode; the OLED layered portion includes a reflective anode, an organic light-emitting layer and a transmissive cathode; and the auxiliary electrode is located in the light-transmitting portion, disposed at a side of the transmissive cathode close to the base substrate, and connected to the transmissive cathode.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: May 24, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yingying Song
  • Patent number: 11342394
    Abstract: A display panel and an organic light emitting display device with enhanced light extraction efficiency is described. The display panel and the display device include an insulating film including at least one concave portion, a first electrode disposed to cover the concave portion, a bank including a first part on the first electrode and overlapping a part of the flat portion of the concave portion, a second part extending from the first part and overlapping an inclined portion of the concave portion, and a third part extending from the second part and disposed on the side portion, an organic layer overlapping the concave portion, and a second electrode on the organic layer and the bank. A width of the first part of the bank is wider than a width of the second part of the bank. Thus, it is possible to provide a display device with enhanced light extraction efficiency.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: May 24, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sunmi Lee, JungSun Beak, Seongjoo Lee
  • Patent number: 11335749
    Abstract: An organic light-emitting display apparatus includes a plurality of pixels. At least one of the pixels includes a first conductive layer over a substrate, a first organic insulating layer including a first opening exposing a portion of the first conductive layer, a first inorganic insulating layer over the first organic insulating layer and including a second opening exposing the portion of the first conductive layer exposed through the first opening, and a second conductive layer on the first inorganic insulating layer and contacting the portion of the first conductive layer exposed through the first opening and the second opening.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kihoon Kim, Deukjong Kim, Keunsoo Lee, Donghyun Lee
  • Patent number: 11329122
    Abstract: A display panel or a display device with high display quality is provided. The display panel includes a light-emitting element, an insulating layer, a protective layer, and a conductive layer. The light-emitting element includes a first electrode, a light-emitting layer, and a second electrode. The light-emitting element emits light to the protective layer side. The insulating layer includes a first opening overlapping with the first electrode. The insulating layer covers an end portion of the first electrode. The light-emitting layer overlaps with the first electrode through the first opening. The second electrode is positioned over the light-emitting layer. The protective layer is over and in contact with the second electrode. The protective layer functions as a protective layer of the light-emitting element. The protective layer includes a second opening overlapping with the insulating layer. The conductive layer is connected to the second electrode through the second opening.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: May 10, 2022
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Nozomu Sugisawa, Daiki Nakamura, Tomoya Aoyama, Yusuke Nishido
  • Patent number: 11329110
    Abstract: A display device includes: a base substrate; light-emitting elements on the base substrate with a TFT layers intervening between the light-emitting elements and the base substrate, to form a display area; a sealing film including a sequentially formed stack of a first inorganic film and a second inorganic film and provided so as to cover the light-emitting elements; and an insular non-display area in the display area, wherein the non-display area includes a frame-shaped inner circular wall protruding in a thickness direction of the base substrate and extending along a boundary between the non-display area and the display area, and the inner circular wall includes on a surface thereof an organic buffer layer interposed between the first inorganic film and the second inorganic film.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: May 10, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yoshifumi Ohta
  • Patent number: 11322572
    Abstract: An organic light emitting diode display is described which includes a substrate having a display area and a non-display area; a metal layer disposed on the non-display area of the substrate, an insulating layer, a voltage line disposed on the gate insulating layer and receiving a driving voltage, a second voltage line disposed on the gate insulating layer and receiving a low driving voltage, an organic insulating layer, and a cathode electrode disposed on the organic insulating layer. The second voltage line and the cathode electrode are electrically connected to each other through an opening formed in the organic insulating layer, and the first voltage line or the second voltage line is electrically connected to the metal layer through an opening formed in the gate insulating layer.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: May 3, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae-Hyun Noh, Yong Sung Park, Won Jang Ki, Dong-Hyun Lee, Min Su Lee, Seung Bin Lee
  • Patent number: 11322489
    Abstract: A tiled display device is provided. The tiled display device includes a first substrate, a second substrate and a light-emitting unit. The first substrate includes a first main substrate and a first flexible substrate. The first flexible substrate is disposed on the first main substrate. The second substrate is disposed adjacent to the first substrate. The light-emitting unit is disposed on the first flexible substrate. In addition, a portion of the light-emitting unit protrudes from an edge of the first main substrate.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 3, 2022
    Assignee: INNOLUX CORPORATION
    Inventors: Hao-Jung Huang, Chao-Chin Sung
  • Patent number: 11315972
    Abstract: A backside illumination (BSI) image sensor and a method of forming the same are provided. A method includes forming a plurality of photosensitive pixels in a substrate, the substrate having a first surface and a second surface, the second surface being opposite the first surface, the substrate having one or more active devices on the first surface. A first portion of the second surface is protected. A second portion of the second surface is patterned to form recesses in the substrate. An anti-reflective layer is formed on sidewalls of the recesses. A metal grid is formed over the second portion of the second surface, the anti-reflective layer being interposed between the substrate and the metal grid.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 26, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wen Hsu, Jiech-Fun Lu, Yeur-Luen Tu, U-Ting Chen, Shu-Ting Tsai, Hsiu-Yu Cheng
  • Patent number: 11309371
    Abstract: A display substrate, a method for manufacturing the same and a display device are provided. The method for manufacturing the display substrate includes: forming a control structure layer on a base substrate; forming a first planarization layer on the control structure layer; forming a support structure on the first planarization layer, a material of the support structure includes a negative photosensitive polymer; forming a protection layer enveloping the support structure on the first planarization layer formed with the support structure; forming a second planarization layer on the protection layer; and forming a first electrode on the second planarization layer, the first electrode is electrically connected to the control structure layer.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: April 19, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongmin Liang, Yueyuan Jian
  • Patent number: 11306898
    Abstract: A wavelength conversion element includes a substrate, a reflective layer, an inorganic light luminescence layer and an organic light luminescence layer. The reflective layer is disposed over the substrate. The inorganic light luminescence layer is disposed over the reflective layer and includes a first fluorescent material. The organic light luminescence layer is disposed between the reflective layer and the inorganic light luminescence layer, and includes a second fluorescent material. A refractive index of the inorganic light luminescence layer is greater than that of the organic light luminescence layer, and a thickness of the inorganic light luminescence layer is greater than a thickness of the organic light luminescence layer.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: April 19, 2022
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Po-Tsun Kuo, Yen-I Chou
  • Patent number: 11302869
    Abstract: A manufacturing method of a via-hole connection structure, a manufacturing method of an array substrate and an array substrate are provided by the embodiments of the present disclosure, and the manufacturing method of the via-hole connection structure includes: forming an insulation layer on a base substrate and forming a first via hole in the insulation layer; forming a connection portion in the first via hole; forming a protection layer covering the connection portion on a surface of the insulation layer; forming a second via hole in the insulation layer and in the protection layer; removing at least a portion of the protection layer to expose the connection portion.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Shengji Yang, Kuanta Huang, Hui Wang, Yanming Wang, Weihai Wang, Guohong Qin, Yage Song, Jiantong Li
  • Patent number: 11302897
    Abstract: A display panel, a preparation method thereof, and a display device, and relates to the field of display technology are provided. The display panel includes: a substrate; a plurality of illuminating pixels arranged in an array above the substrate and located in the display region; and a first water oxygen barrier bar disposed above the substrate and located in the peripheral region, wherein the first water oxygen barrier bar includes a plurality of first sub-barrier bars arranged intermittently and a plurality of second sub-barrier bars arranged intermittently; in a direction perpendicular to an arrangement direction of the first sub-barrier bars, a gap between adjacent first sub-barrier bars and a gap between adjacent second sub-barrier bars are not aligned with each other.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: April 12, 2022
    Assignees: CHENGDUE BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Quanguo Zhou, Hao Luo
  • Patent number: 11296143
    Abstract: The disclosure provides a display panel, including a substrate layer, a luminescent layer, and a plurality of composite black matrix layers. The luminescent layer is disposed on the substrate layer, the composite black matrix layers are disposed beside two sides of the luminescent layer and are disposed on the substrate layer, and the composite black matrix layers comprise a black matrix layer and a light reflective layer.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 5, 2022
    Inventors: Yong Fan, Yang Sun
  • Patent number: 11296306
    Abstract: A display panel and a display device are provided, wherein the display panel includes a substrate; a pixel definition layer is disposed on the substrate, wherein the pixel definition layer includes a plurality of pixel definition blocks disposed apart from each other; and a plurality of light-emitting units each are disposed between adjacent pixel definition blocks, wherein two sides of each light-emitting unit are provided with a shading part.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: April 5, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wei Yu
  • Patent number: 11296132
    Abstract: A peeling method at low cost with high mass productivity is provided. A resin layer having a thickness greater than or equal to 0.1 ?m and less than or equal to 3 ?m is formed over a formation substrate using a photosensitive and thermosetting material, a transistor including an oxide semiconductor in a channel formation region is formed over the resin layer, the resin layer is irradiated with light using a linear laser device, and the transistor and the formation substrate are separated from each other. A first region and a second region which is thinner than the first region or an opening can be formed in the resin layer. In the case of forming a conductive layer functioning as an external connection terminal or the like to overlap with the second region or the opening of the resin layer, the conductive layer is exposed.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: April 5, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yasuharu Hosaka, Satoru Idojiri, Kenichi Okazaki, Hiroki Adachi, Daisuke Kubota
  • Patent number: 11291744
    Abstract: An electrode component for generating large area atmosphere pressure plasma is provided. The electrode component comprises a first transparent insulation substrate, a first transparent electrode pattern, a second transparent electrode pattern, and a second transparent insulation substrate. The first transparent insulation substrate has a first thickness. The first transparent electrode pattern and the second transparent electrode pattern are formed on the upper surface of the first transparent insulation substrate and has a gap therebetween. The second transparent insulation substrate has a second thickness and covers the first transparent electrode pattern and the second transparent electrode pattern. The first thickness is greater than the second thickness in order to form atmospheric pressure plasma above the second transparent insulation substrate.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: April 5, 2022
    Assignee: Ming Chi University of Technology
    Inventors: Jang-Hsing Hsieh, Shu-Chien Chang, Shi-Wei Huang
  • Patent number: 11289652
    Abstract: An organic light-emitting diode (OLED) structure includes an organic light-emitting diode having a first electrode, one or more layers of organic material disposed on at least a portion of the first electrode, and a second electrode disposed on at least a portion of the one or more layers of organic material. At least a portion of a tether extending from a periphery of the organic light-emitting diode. The organic light-emitting diodes can be printable organic light-emitting diode structures that are micro transfer printed over a display substrate to form a display.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: March 29, 2022
    Assignee: X Display Company Technology Limited
    Inventors: Christopher Bower, Matthew Meitl, Ronald S. Cok
  • Patent number: 11289682
    Abstract: An OLED display device includes a first substrate including a plurality of sub-pixels each including an emission area and a non-emission area; organic light emitting diodes on the first substrate; a second substrate opposed to the first substrate; a black matrix and a color filter layer on one side of the second substrate; a spacer on the black matrix and overlapping or parallel to one of the plurality of the gate lines and the plurality of data lines; and a film layer on the spacer, wherein an air gap is provided between the second substrate and the film layer, and a part of the film layer is exposed by the air gap.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: March 29, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Han-Sun Park, Won-Hoe Koo, Ji-Hyang Jang
  • Patent number: 11283055
    Abstract: A flexible display apparatus includes: a first flexible substrate including carbon and having an upper surface, a lower surface facing the upper surface, and a lateral surface coupling the upper surface to the lower surface; a first barrier layer on the first flexible substrate to cover the first flexible substrate; a second flexible substrate on the first barrier layer, the second flexible substrate including carbon and having an upper surface, a lower surface facing the upper surface, and a lateral surface coupling the upper surface to the lower surface; and an organic light emitting device on the second flexible substrate.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: March 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Guk An, Jun Heo
  • Patent number: 11283050
    Abstract: A display panel, a display device, and a manufacturing method of the display panel are disclosed. The display panel includes: a light emitting element including a microcavity structure and a light emitting layer disposed in the microcavity structure; and an external microcavity structure disposed on a light emitting side of the light emitting element and including a first transflective layer, a second transflective layer and a dielectric layer disposed between the first transflective layer and the second transflective layer. The microcavity structure can modulate a spectrum of light emitted by the light emitting layer in the first viewing angle range; the external microcavity structure can modulate a spectrum of light emitted by the light emitting element in the second viewing angle range; and the second viewing angle range is greater than the first viewing angle range.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: March 22, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Weilong Zhou
  • Patent number: 11276343
    Abstract: A substrate for light-emitting diode, a backlight module and a display device are disclosed. The substrate for light-emitting diode includes a plurality of light-emitting sub-regions, and each of the plurality of light-emitting sub-regions includes at least two anode electrode pads electrically connected through a first parallel-connection line, and at least two cathode electrode pads electrically connected through a second parallel-connection line. The at least two cathode electrode pads are disposed in one-to-one correspondence with the at least two anode electrode pads. At least one series-connection electrode pad group is further disposed between the anode electrode pad and the cathode electrode pad which are corresponding to each other; and each of the at least one series-connection electrode pad group includes two series electrode pads which are electrically connected through a series-connection line.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 15, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengguang Ban, Zhanfeng Cao, Zhiwei Liang, Shi Shu
  • Patent number: 11276842
    Abstract: A light distribution of light from a light-emitting device (10) has a higher luminous intensity in a first direction (D1) compared to a reference direction (R), the first direction (D1) being different from the reference direction (R). The reference direction (R) is a center direction of the light distribution, for example, a direction along the thickness direction of a substrate (100), a direction along the width direction of each layer (for example, an EML (126)) of a resonator (150), or a normal direction of a second surface (104) of the substrate (100). In addition, the light distribution has a higher luminous intensity in a second direction (D2) compared to the reference direction (R), the second direction (D2) being on an opposite side of the first direction (D1) with respect to the reference direction (R).
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: March 15, 2022
    Assignee: PIONEER CORPORATION
    Inventor: Hiroaki Kitahara
  • Patent number: 11271064
    Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes: a first base substrate including a packaging region; a plurality of support portions located in the packaging region, a first interval being provided between adjacent support portions; a plurality of conductive lines located at a side of the plurality of support portions away from the first base substrate; a packaging layer located at a side of the plurality of conductive lines away from the first base substrate; and a second base substrate arranged opposite to the first base substrate and bonded with the first base substrate by the packaging layer.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: March 8, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zihua Li, Jing Liu
  • Patent number: 11270607
    Abstract: In one or more embodiments of the present disclosure, a stretchable display device includes a lower substrate which is stretchable, a lower common electrode layer disposed on the lower substrate, a plurality of first substrates disposed on the lower common electrode layer, at least one transistor formed on each of the plurality of first substrates, a light emitting diode which is electrically connected to the at least one transistor, a cover insulating layer which covers at least one light emitting diode, and an upper common electrode layer formed on the cover insulating layer. The stretchable display device according to the above embodiments thereby stably supplies a common voltage.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: March 8, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hyunju Jung, Seulki Kim
  • Patent number: 11271177
    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: December 21, 2018
    Date of Patent: March 8, 2022
    Assignee: Universal Display Corporation
    Inventors: Zhiqiang Ji, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Suman Layek, Pierre-Luc T. Boudreault
  • Patent number: 11258032
    Abstract: An organic light emitting device and a display device, the organic light emitting device including a first electrode; a first organic layer on the first electrode; a first charge generating layer on the first organic layer; a second organic layer on the first charge generating layer, the second organic layer including a first light absorbing dye having an absorption wavelength of about 380 nm to 410 nm; and a second electrode on the second organic layer, wherein light is emitted from the device in the direction from the first electrode to the second electrode.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jihwan Yoon, Sangwoo Pyo, Ilsoo Oh, Chang-Min Lee
  • Patent number: 11257872
    Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes a first substrate, a second substrate, a cathode layer, a plurality of spacer columns, and an encapsulation layer. The spacer columns are disposed as at least a one-circle structure surrounding an opening hole on the second substrate, and heights of the spacer columns are gradually increased from a center of the opening hole to edges thereof. The spacer columns having different heights can reflect light again, thereby improving light extraction efficiency, luminous brightness of sub-pixels adjacent to the opening hole area, and display effect.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: February 22, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Fuqiang Yang
  • Patent number: 11257413
    Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 22, 2022
    Inventors: Jeong-Woo Moon, Jin-Koo Chung, Seong-Min Kim, Jin-Hyun Park, Chaun-Gi Choi
  • Patent number: 11257885
    Abstract: An organic light emitting display device includes a substrate, a first semiconductor element, a second semiconductor element, a protection electrode, and a light emitting structure. The protection electrode is disposed between the second active layer and the second source electrode and the second drain electrode, and has an opening that exposes a portion of the second active layer and the light emitting structure is disposed on the first and second semiconductor elements.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: February 22, 2022
    Inventors: Jaybum Kim, Myounghwa Kim, Kyoung Seok Son, Seungjun Lee, Seunghun Lee, Jun Hyung Lim
  • Patent number: 11257875
    Abstract: A flexible display device includes a display panel layer, a touch sensing layer, a reflection prevention layer, and a window layer. The touch sensing layer is disposed directly on a first display panel surface, a second display panel surface facing the first display panel surface in a thickness direction, or a second base surface of the reflection prevention layer. The reflection prevention layer is disposed directly on the second display panel surface or a first base surface of the touch sensing layer. The window layer is disposed directly on the first base surface or the second base surface.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: February 22, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Taehoon Yang, Yongsu Lee, Sungchul Kim, Sunghoon Kim, Sungsik Yun, Kyoungah Lee
  • Patent number: 11258039
    Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a display unit located on the substrate and including a display area and a non-display area surrounding the display area, and a thin film encapsulation layer sealing the display unit. The display also includes a voltage line formed in the non-display area and surrounding the display area, a metal layer formed of the same material as the voltage line, and a dam surrounding the display area and contacting the voltage line. The voltage line includes a first voltage line disposed in one side of the display area. The first voltage line includes a pair of first end portions and a pair of first connectors respectively connected to the pair of first end portions and extending away from the display area. The metal layer is disposed between the pair of first connectors. The dam contacts the metal layer.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: February 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Deukjong Kim, Sunyoul Lee
  • Patent number: 11251405
    Abstract: The present invention provides an organic light emitting diode display panel and a fabricating method thereof. The organic light emitting diode display panel includes a lower substrate, having one side extending to form a signal path; an upper cover plate on the lower substrate, wherein a lower surface of the upper cover plate is connected to an upper surface of the lower substrate; and a barrier film package bag enclosing the upper cover plate and the lower substrate from a side away from the signal channel. The method of fabricating the OLED display panel includes following steps: forming a lower substrate; forming an upper cover plate; bonding the upper cover plate to the lower substrate; and packaging the display panel to be packaged by vacuum thermocompression. The present invention simplifies the packaging of the OLED display panel and can meet the package requirements of various types of OLED display panels.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: February 15, 2022
    Assignee: SHENZHEN STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yang Miao
  • Patent number: 11251408
    Abstract: A display device includes a substrate; a display element disposed on the substrate and including a pixel electrode, an opposite electrode, and an emission layer between the pixel electrode and the opposite electrode; and a roof layer defining an air cavity. The air cavity is disposed around the display element. A refractive index of the roof layer is greater than a refractive index of the air defined by the air cavity.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: February 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwangsoo Bae, Beomsoo Park, Minjeong Oh, Youngje Cho
  • Patent number: 11249229
    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 minor layer extending continuously on a surface of a transparent substrate and a plurality of minor patterns on the first mirror layer. The first minor layer is formed on both a region in which the plurality of minor patterns are formed and a region in which the plurality of minor patterns are not formed. External light is incident to and reflected by the first minor 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: June 26, 2019
    Date of Patent: February 15, 2022
    Inventors: Dae-Woo Lee, Byoung-Ki Kim, Ho-Jin Yoon, Yun-Mo Chung
  • Patent number: 11245243
    Abstract: A light-emitting ceramic and a light-emitting device. The light-emitting ceramic comprises a YAG substrate and light-emitting centers and diffusion particles evenly dispersed in the YAG substrate. The light-emitting centers are lanthanide-doped YAG fluorescent powder particles of 10-20 ?m in grain size. The particle size of the scattering particles is 20-50 nm. The YAG substrate is a lanthanide-doped YAG ceramic. Also, the grain size of the YAG substrate is less than the grain size of the YAG fluorescent powder particles.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: February 8, 2022
    Assignee: APPOTRONICS CORPORATION LIMITED
    Inventors: Qian Li, Yusan Chen, Yanzheng Xu
  • Patent number: 11245094
    Abstract: A display substrate and a manufacture method thereof, and a display panel are provided. The display substrate includes: a substrate, including a display region and a non-display region around the display region; at least one protrusion on the substrate. The protrusion is disposed in the non-display region.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: February 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hongfei Cheng
  • Patent number: 11245100
    Abstract: The application provides an OLED device, a manufacturing method thereof, and a display device, which reduce or eliminate color cast in an image displayed by an existing OLED device due to different lifetimes of organic materials for light emitting layers emitting light of different colors in the OLED device. In the OLED device, a luminous efficiency regulator is disposed between a cathode and a light emitting layer of at least one sub-pixel, and a vibration characteristic peak of the luminous efficiency regulator falls within a wavelength range of light emitted from the corresponding light emitting layer, such that attenuation rates of lighting luminance of the light emitting layers emitting light of different colors are kept consistent with each other over time.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: February 8, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jiliang Zhang, Xin He
  • Patent number: 11242984
    Abstract: The present disclosure relates to an electroluminescent lighting device having high aperture ratio. The present disclosure provides an electroluminescent light device comprising: a substrate including an emission area and a non-emission area surrounding the emission area; a power line disposed in the emission area and defining an open area; a buffer layer covering the power line; an emission element disposed in the open area on the buffer layer; a link electrode overlapping the power line on the buffer layer, and having a first end connected to the emission element and a second end connected to the power line; a passivation layer deposited within a width of the power line covering the link electrode; an emission layer covering the emission area; and a cathode layer covering the emission area on the emission layer.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: February 8, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Youngkyun Moon, JongMin Kim, Seunghyun Youk
  • Patent number: 11239448
    Abstract: Provided is an organic light-emitting display panel, including: a thin film transistor layer provided in a display area; an organic light-emitting layer provided in the display area and including light-emitting pixels; a microlens array layer provided in the display area and including microlenses corresponding to the light-emitting pixels; a refractive index matching layer provided in the display area; and a filling layer provided in the non-display area. The refractive index matching layer and the microlens array layer have different refractive indexes. Each microlens includes a first surface that is in contact with the refractive index matching layer. The first surface is a curved surface protruding towards one of the microlens array layer and the refractive index matching layer, which has a smaller refractive index. A material of the filling layer is same as at least one of materials of the microlens array layer and the refractive index matching layer.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: February 1, 2022
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Guofeng Zhang, Quanpeng Yu
  • Patent number: 11239441
    Abstract: A lighting apparatus using an organic light emitting diode that has an emission area and a non-emission area, the light emitting apparatus comprises a first electrode; an organic layer disposed on the first electrode; a second electrode disposed on the organic layer; and an insulating layer disposed in the non-emission area, wherein the first electrode disposed in the emission area includes at least one metal layer and at least one dielectric layer, and wherein the first electrode disposed in the non-emission area includes at least one dielectric layer.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: February 1, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: TaeJoon Song, Jungeun Lee, Taeok Kim