Matrix Or Array Patents (Class 313/500)
  • Patent number: 11495771
    Abstract: Systems and methods are described for a display panel and a method of manufacturing the display panel. The systems and methods may provide for a substrate having a first surface and a second surface that face each other, a display unit including an organic light-emitting device arranged on the first surface of the substrate; and a thin-film encapsulation layer arranged on the display unit to shield the display unit, wherein an edge of the first surface or an edge of the second surface are inclined with respect to the first surface or the second surface. The inclined surfaces are designed to prevent damage to the display due to fine cracks during the manufacturing process as the display panel is trimmed or cut from a single base member. A display panel having improved strength characteristics may be manufactured, as well.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Wonje Jo, Youngji Kim, Yiseul Um, Younghoon Lee, Jiwon Jung, Youngseo Choi, Dongwon Han
  • Patent number: 11495594
    Abstract: An electrostatic protection circuit and a manufacturing method thereof, an array substrate, and a display device are provided. The electrostatic protection circuit includes: at least one first transistor and at least one second transistor. A gate electrode and a first electrode of the first transistor are connected to a first signal line, and a second electrode of the first transistor is connected to a second signal line. A gate electrode and a first electrode of the second transistor are connected to the second signal line, and a second electrode of the second transistor is connected to the first signal line.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: November 8, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Yong Qiao, Xinyin Wu
  • Patent number: 11464104
    Abstract: A wiring substrate comprises a first substrate, a second substrate which includes a frame body located on the outer circumferential edge of the first substrate, at least two connecting parts connected to the inner circumferential part of the frame body, and a support body connecting the two connecting parts to each other, and a third substrate located on a surface of the second substrate opposite the first substrate. The support body includes a direction changing part between the two connecting parts and does not include an annular structure where the direction changing part is included on the circumference.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: October 4, 2022
    Assignee: KYOCERA CORPORATION
    Inventor: Keizou Sakurai
  • Patent number: 11424273
    Abstract: An electrical connection structure includes a substrate, a mating layer on the substrate, a connecting pad on the mating layer, an insulating layer on the mating layer and covering the connecting pad, a connecting line on the insulating layer, and a covering layer on the insulating layer and covering the connecting line. The connecting line extends through the insulating layer to electrically couple to the connecting pad. Both the connecting pad and the connecting line are made of metal or alloy. The mating layer includes yttrium oxide films and silicon oxide films alternating with each other.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: August 23, 2022
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chin-Yueh Liao, Chia-Lin Liu, Yan-Tang Dai, Hung-Che Lu
  • Patent number: 11417863
    Abstract: A display device includes a TFT substrate including a flattening layer on a surface, a sealing film including a resin film that is an ink-jet resin film, and a first bank that surrounds the flattening layer, is covered with the resin film on an inner side, and has a frame shape. The flattening layer includes, on an entire periphery of a circumferential end portion thereof, a recessed and protruding portion provided with recesses and protrusions having sizes different on a first side and a second side in a plan view.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 16, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jumpei Takahashi, Hisao Ochi, Tohru Senoo, Takeshi Hirase, Tohru Sonoda, Takashi Ochi, Akihiro Matsui
  • Patent number: 11378721
    Abstract: A display device includes: a display panel including a substrate, and an organic light emitting element; an ultraviolet ray blocking part on a rear surface of the substrate of the display panel; a rear protection layer on a rear surface of the ultraviolet ray blocking part, and having an opening; and a sensor in the opening of the rear protection layer. The ultraviolet ray blocking part includes polyester.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ye Won Cho, Dong Eun Lee, Dong Jin Jeong
  • Patent number: 11335883
    Abstract: The present disclosure provides an organic light-emitting diode display substrate and a manufacturing method thereof. The manufacturing method includes: sequentially forming a first electrode, a light-emitting layer and a second electrode on a base substrate; forming a protection layer having a first opening on a side of the second electrode distal to the base substrate; and forming a second opening in the second electrode, the second opening being located below the first opening. In the present disclosure, with the protection layer, only a portion of the second electrode below the first opening is removed, so that other portions of the second electrode are prevented from being damaged, thereby eliminating a poor display of the display device.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 17, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hongwei Tian, Yanan Niu, Chunyan Xie, Chunyang Wang, Dong Li, Zheng Liu, Ming Liu
  • Patent number: 11322571
    Abstract: A multi-piece substrate integrally having a plurality of product regions each provided with a light-emitting element driven by a current and a blank region adjacent to each of the plurality of product regions is prepared. The current is passed through a cathode pad and an anode pad to inspect the light-emitting element. A plurality of display panels are cut out from the multi-piece substrate so as to respectively correspond to the plurality of product regions. The multi-piece substrate includes a plurality of first test pads disposed in each of the plurality of product regions for inspecting the light-emitting element, and a plurality of second test pads disposed in the blank region for inspecting the light-emitting element. The cathode pad and the anode pad are included in the plurality of first test pads and are not included in the plurality of second test pads.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: May 3, 2022
    Assignee: Japan Display Inc.
    Inventors: Tetsuo Morita, Hiroyuki Kimura, Makoto Shibusawa
  • Patent number: 11320932
    Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 3, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Detao Zhao, Pengcheng Lu, Liang Chen, Ning Cong, Ming Yang, Dongni Liu, Li Xiao, Shengji Yang, Lei Wang, Minghua Xuan, Xiaochuan Chen
  • Patent number: 11316068
    Abstract: An optoelectronic semiconductor chip and a method for producing an optoelectronic semiconductor chip are disclosed. In an embodiment, a chip includes a semiconductor body comprising a plurality of emission regions, first and second contact points, a rewiring structure and first and second connection points, wherein each emission region is contacted via the first and second contact points and configured to be operated separately from one another, wherein the rewiring structure electrically conductively connects each first contact point to an associated first connection point, wherein the rewiring structure electrically conductively connects every second contact point to an associated second connection point, wherein at least one of the connection points does not overlap with a contact point which is electrically conductively connected to this connection point in a vertical direction, and wherein each first connection point is disposed laterally directly adjacent to a further first connection point.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: April 26, 2022
    Assignee: OSRAM OLED GMBH
    Inventors: Dominik Scholz, Alexander F. Pfeuffer
  • Patent number: 11306896
    Abstract: An integrated light engine including flexible optics and a flexible light source, and lighting devices including the same, are provided. The integrated light engine includes a flexible light source configured to emit light, and flexible optics coupled to the flexible light source. The flexible optics beam shapes light emitted by the flexible light source. The integrated light engine is capable of entering a set of states, such that a portion of beam shaped light emitted by the integrated light engine in a first state is aimed in a first direction and a portion of beam shaped light emitted by the integrated light engine in a second state is aimed in a second direction. Different combinations of the flexible optics with the flexible light source result in the integrated light engine being able to enter a number of flexed states or being held in a substantially flat, substantially stiff state.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: April 19, 2022
    Assignee: ABL IP HOLDING LLC
    Inventors: Zhuo Wang, Bruce Radl, Douglas Harriott
  • Patent number: 11289546
    Abstract: A transparent display device for providing only a viewer located at the front with an image is disclosed. The transparent display device comprises a substrate provided with a first subpixel, a second subpixel and a third subpixel, a first electrode provided in each of the first subpixel, the second subpixel and the third subpixel on the substrate, a light emitting layer provided on the first electrode, a second electrode provided on the light emitting layer, an upper color filter provided over the second electrode, a lower color conversion layer provided between the substrate and the first electrode, and a lower color filter provided between the substrate and the lower color conversion layer.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: March 29, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jiho Ryu, TaeHan Park, Dongyoung Kim
  • Patent number: 11262044
    Abstract: A lighting module disclosed in an embodiment comprises: a plurality of light emitting devices on a substrate; and a reflector arranged in the direction of emission of light from each light emitting device on the substrate. The light emitting device has a light exit surface, and the reflector has a reflecting surface concave toward the substrate, at least a portion of the reflecting surface corresponding to the light exit surface of the light emitting device. The reflecting surface is arranged at a height that increases gradually in proportion to the interval from the light emitting device arranged in the light incident direction. The reflecting surface comprises a plurality of convex portions arranged in a first direction and first bridge portions that connect between the plurality of convex portions. The first bridge portions are arranged along the convex portions and are arranged to be lower than a straight line that connect high points of adjacent convex portions.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: March 1, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Seong Jin Hwang
  • Patent number: 11264592
    Abstract: An encapsulation structure of an organic electroluminescent device includes a substrate, a first inorganic sealing layer and an organic sealing layer. The first inorganic sealing layer is stacked on the substrate, and the organic sealing layer is stacked on a side of the first inorganic sealing layer that is away from the substrate. The organic sealing layer includes a UV light absorbing material and/or a UV resistant polymer material. An encapsulation method of the encapsulation structure of an organic electroluminescent device and a display panel including the encapsulation structure are further provided.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 1, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dan Wang, Rui Hong, Lei Chen
  • Patent number: 11263964
    Abstract: The present application relates to a display panel, a display screen and a display terminal. The display panel comprises a substrate provided with pixel circuits thereon; a pixel-defining layer; a light-emitting structure layer; a first electrode layer disposed on the pixel circuits and comprising a plurality of first electrodes; a second electrode disposed on the light emitting structure layer and being a surface electrode; and a scanning line and a data line both connected to each of the pixel circuits; wherein, sub-pixels in adjacent sub-pixel rows are staggered with one another and/or sub-pixels in adjacent sub-pixel columns are staggered with one another; the scanning line supplies a voltage to the pixel circuit to control turning-on and turning-off of the pixel circuit, and when the pixel circuit is turned on, a drive current from the data line is directly supplied to the first electrode to control light-emitting of the corresponding sub-pixel.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 1, 2022
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Junhui Lou, Yanqin Song
  • Patent number: 11201309
    Abstract: A display unit is provided with a plurality of pixels. The plurality of pixels each include a first electrode, an insulating film, an organic layer, and a second electrode. The insulating film is provided on the first electrode, and has openings. The organic layer is provided in each of the openings of the insulating film, and includes a light-emitting layer. The second electrode is provided on the organic layer. The first electrode includes a plurality of sub-electrodes that are provided to face the respective openings of the insulating film.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: December 14, 2021
    Assignee: JOLED INC.
    Inventors: Kaoru Abe, Jiro Yamada, Kazuma Teramoto, Kenichi Nendai, Hideki Kobayashi, Masaki Nishimura
  • Patent number: 11187387
    Abstract: The disclosure relates to a color-controllable LED luminescent lamp. By adopting a mini-LED chip with a small size to form an LED light source, the number of LED light sources that can be accommodated by a lamp shade is increased, so that the whole LED luminescent lamp can exhibit more types of colors and realize a free exhibiting and switching of multiple colors.
    Type: Grant
    Filed: December 2, 2020
    Date of Patent: November 30, 2021
    Assignee: Hangzhou Hangke Optoelectronics Group Co., Ltd.
    Inventors: Qianjun Yan, Zhaozhang Zheng, Lingli Ma
  • Patent number: 11183671
    Abstract: An electroluminescent display and illuminating device and a manufacturing method thereof are provided. Layers of light-emitting devices of an electroluminescent display and an electroluminescent illuminator are assembled, and the two devices share an electrode in a middle of a laminated structure, thereby realizing a display function on one side of the device and realizing a illumination function on the other side of the device, so that a shape design of a product can be more flexible.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: November 23, 2021
    Inventor: Yang Liu
  • Patent number: 11180832
    Abstract: Provided is an alloy member including a substrate made of magnesium-lithium alloy with a sum of content of magnesium and content of lithium of 90 mass % or more and a coating film disposed on the substrate. The coating film contains fluorine and oxygen, with a fluorine content of more than 50 atom % and an oxygen content of less than 5 atom %.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: November 23, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Jun-ichi Sakamoto
  • Patent number: 11171192
    Abstract: A display device may include a substrate, an organic light emitting layer overlapping the substrate and including an opening, and a holed insulating layer positioned between the substrate and the organic light emitting layer. The holed insulating layer may include a first through hole, a first groove, and a first undercut. A position of the opening may overlap a position of the first groove. The first groove may surround the first through hole in a plan view of the display device. The first undercut may surround the first groove in the plan view of the display device.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: November 9, 2021
    Inventors: Yong-Je Jeon, Min Woo Woo, Wangwoo Lee
  • Patent number: 11170699
    Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: November 9, 2021
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li
  • Patent number: 11139364
    Abstract: A display panel and a method of producing the display panel are disclosed. A pixel unit and an auxiliary power supply unit are disposed at a portion of the display panel corresponding to the display sub-areas, the auxiliary power supply unit is configured to supply a power to a cathode layer so that an voltage of each of the display sub-areas applied by the cathode layer is equal to or substantially equal to each other. The cathode layer has a first cathode and a second cathode. The auxiliary power supply unit has a power line and an auxiliary power supply electrode. The display panel has an improved display quality in this disclosure.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 5, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhaosong Liu, Jangsoon Im
  • Patent number: 11139444
    Abstract: Embodiments of the disclosed subject matter provide a device having a substrate, at least one organic light-emitting layer disposed over the substrate, and at least one down-conversion layer. The at least one down-conversion layer may generate the NIR emission by absorbing at least a portion of the light emitted by the at least one organic light emitting layer, and re-emitting light at a longer NIR wavelength or range of wavelengths having a peak NIR emission that may be greater than 700 nm, greater than 750 nm, or greater than 800 nm. An out-of-plane optical density of the at least one down-conversion layer may be less than 0.1 for all wavelengths of light in a range from 400 nm to 600 nm.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: October 5, 2021
    Assignee: Universal Display Corporation
    Inventors: Eric A. Margulies, Nicholas J. Thompson, Michael Stuart Weaver
  • Patent number: 11031577
    Abstract: A multimodal light-emitting OLED microcavity device, comprising: an opaque substrate; a layer with a reflective surface over the substrate; a first electrode over the reflective surface; organic layers for light-emission including a second blue light-emitting layer closer to the reflective surface and a first blue light-emitting layer further from the reflective layer than the second blue light-emitting layer, where the distance between the midpoints of the second and first blue-light emitting layers is L1, and at least one non-blue light-emitting layer; a semi-transparent second electrode with an innermost surface through which light is emitted; wherein the distance L0 between the reflective surface and the innermost surface of the semi-transparent second electrode is constant over the entire light-emitting area; and the ratio L1/L0 is in the range of 0.30-0.40. The multimodal microcavity OLED has increased blue emission and is particularly useful for use as the light source in a microdisplay.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: June 8, 2021
    Assignee: OLEDWorks LLC
    Inventors: John Hamer, Donald Preuss, Shane Matesic
  • Patent number: 11024221
    Abstract: Disclosed are a pixel arrangement structure, a metal mask, and a display device, and in the pixel arrangement structure, each repeating element includes four sub-pixels distributed in two rows by two columns, where the four sub-pixels include two first sub-pixels in different rows and different columns, and one second sub-pixel and one third sub-pixel in different rows and different columns. While an image is being displayed, any one first sub-pixel together with one second sub-pixel adjacent thereto and one third sub-pixel adjacent thereto can constitute a light-emitting pixel, so that the image can be displayed at a high resolution using a physical low resolution through borrowing between the sub-pixels.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 1, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Haohan Zhang, Yue Liu, Zhihui Xiao, Shanshan Bai, Yansong Li
  • Patent number: 11011596
    Abstract: A display device can include a plurality of sub-pixels including light emitting portions and circuit portions, and being configured to receive signals through vertical lines extending in a first direction and horizontal lines extending in a second direction intersecting the first direction; transistors disposed in the circuit portions; an overcoat layer covering the transistors; first electrodes disposed on the overcoat layer, each of the first electrodes being electrically connected to a corresponding light emitting portion among the light emitting portions and at least one of the transistors; a bank layer disposed on the first electrodes and including openings exposing the first electrodes; an open hole disposed in a region between two adjacent first electrodes among the first electrodes and penetrating through the bank layer; an organic compound layer disposed on the first electrodes; and a second electrode disposed on the organic compound layer and extending to an area inside of the open hole, in which th
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: May 18, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seongku Lee, Binn Kim
  • Patent number: 11005072
    Abstract: A display device and a method of manufacturing the display device are disclosed. In one aspect, the display device includes a substrate including a display region and a peripheral region. A first block member is in the peripheral region and surrounding display structures, the first block member having a first height. A second block member is spaced apart from the first block member in a first direction extending from the display region to the peripheral region, the second block member surrounding the first block member, the second block member having a second height that is greater than the first height. A first encapsulation layer is over the display structures, the first block member, and the second block member. A second encapsulation layer is over the first encapsulation layer, the second encapsulation layer overlapping at least a portion of the first block member in the depth dimension of the display device.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Young Shin
  • Patent number: 11004905
    Abstract: A display panel includes pixels arranged in an array in a first direction and a second direction. Each pixel includes a first sub-pixel having a first light-emitting zone to emit light of a first color, a second sub-pixel having a second light-emitting zone to emit light of a second color, and a third sub-pixel having a third light-emitting zone to emit light of a third color. The first, second, and third light-emitting zones are arranged in a triangle such that the first, second, and third light-emitting zones cover respective vertices of the triangle, with one side of the triangle being substantially parallel to the first direction. Any two pixels directly adjacent in the first direction have respective patterns of first, second, and third light-emitting zones, which are substantially mirror-symmetrical to each other. Any two diagonally adjacent pixels have a substantially repeating pattern of first, second and third light-emitting zones.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: May 11, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Liang Sun, Tuo Sun, Xiaodan Jin, Lintao Zhang
  • Patent number: 10976011
    Abstract: An LED lighting apparatus is disclosed. The LED lighting apparatus includes a substrate having a first surface; at least one connection body formed by LED chips arranged side by side in a first direction over the first surface of the substrate; and a circular protruding portion, arranged over the first surface of the substrate, surrounding the plurality of LED chips. The LED lighting apparatus further includes a first wiring pattern, arranged over the first surface of the substrate; and a second wiring pattern, arranged over the first surface of the substrate and spaced apart from the first wiring pattern.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: April 13, 2021
    Assignee: ROHM CO., LTD.
    Inventors: Tomoharu Horio, Teruki Ono
  • Patent number: 10965831
    Abstract: Provided is an optical head that includes a base substrate and a line head. The line head includes a plurality of sub-line heads electrically independent of one another and arranged on the base substrate in parallel with a first direction. Each of the plurality of sub-line heads includes a circuit substrate unit that constitutes a portion of the base substrate, and an optical-element array that includes a plurality of optical elements each arranged on the circuit substrate unit at least in parallel with a second direction that is a direction of a length of each of the plurality of sub-line heads.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: March 30, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Hiizu Ootorii
  • Patent number: 10931847
    Abstract: Provided is an optical head that includes a base substrate and a line head. The line head includes a plurality of sub-line heads electrically independent of one another and arranged on the base substrate in parallel with a first direction. Each of the plurality of sub-line heads includes a circuit substrate unit that constitutes a portion of the base substrate, and an optical-element array that includes a plurality of optical elements each arranged on the circuit substrate unit at least in parallel with a second direction that is a direction of a length of each of the plurality of sub-line heads.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: February 23, 2021
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Hiizu Ootorii
  • Patent number: 10901260
    Abstract: A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a backlight unit. The backlight unit may include a printed circuit board, a plurality of light-emitting diodes mounted on the printed circuit board, at least one light spreading layer formed over the printed circuit board that spreads light received from the plurality of light-emitting diodes, a partially reflective layer formed over the at least one light spreading layer, a color conversion layer formed over the partially reflective layer, a collimating layer formed over the color conversion layer, a brightness enhancement film formed over the collimating layer, and a diffuser formed over the brightness enhancement film. The at least one light spreading layer may include two light spreading layers with elongated protrusions that are rotated relative to each other.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: January 26, 2021
    Assignee: Apple Inc.
    Inventors: Rong Liu, Jun Qi, Victor H. Yin, Wei Lv, Joshua A. Spechler, Yu P. Sun, Suraj P. Gorkhali, Daming Xu, Edward H. Kang, Wenyong Zhu, Ziruo Hong, Xinyu Zhu, Ling Han, Mookyung Son, Pee Khiam So, Janos C. Keresztes, Chenhua You, Zhenyue Luo, Heesang Suh, Juan He, Hung Sheng Lin
  • Patent number: 10892310
    Abstract: A display device includes a substrate, a transistor, a pad portion, a passivation layer, and a pixel definition layer. The substrate includes a display area and a peripheral area disposed at an edge of the display area. The transistor is disposed on the display area. The pad portion is disposed on the peripheral area. The passivation layer is disposed on the transistor. The pixel definition layer is disposed on the passivation layer. A portion of the passivation layer extends to the peripheral area. An upper surface of the portion of the passivation layer disposed on the display area is substantially flat. An upper surface of the portion of passivation layer disposed at the peripheral area has an uneven structure. The uneven structure includes a recess portion and a convex portion. The pixel definition layer covers the portion of the passivation layer disposed on the peripheral area.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Jin Hyung Kim
  • Patent number: 10879338
    Abstract: A display device includes a substrate including a trench portion. The substrate includes a display area and a peripheral area adjacent to the display area. The display area includes a first display area and a second display area arranged with the trench portion therebetween to display an image. A thin-film transistor and a display element are each arranged in the display area. A built-in circuit portion is over the peripheral area and is adjacent to the trench portion. A first wiring is in the first display area and a second wiring is in the second display area. A connecting wiring connects the first wiring to the second wiring and overlaps the built-in circuit portion.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: December 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kiwook Kim, Kwangmin Kim, Jisu Na, Minwoo Byun
  • Patent number: 10847560
    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: April 15, 2019
    Date of Patent: November 24, 2020
    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: 10838536
    Abstract: An electronic device includes a sensor configured to sense a touch event in association with the electronic device or a deformation in a physical shape of the electronic device. The sensor includes a first sensor electrode, a second sensor electrode, and a third sensor electrode. The first sensor electrode extends in a first direction. The second sensor electrode extends in a second direction different from the first direction. The second sensor electrode overlaps with the first sensor electrode in a third direction perpendicular to the first direction and the second direction. The third sensor electrode extends in a fourth direction different from the second direction. The third sensor electrode overlaps with the second sensor electrode in the third direction. The first sensor electrode, the second sensor electrode, and the third sensor electrode are insulated from one another and are disposed on different layers than one another.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: November 17, 2020
    Assignees: Samsung Display Co., Ltd., UNIST (ULSAN National Institute of Science and Technology)
    Inventors: Jaeik Lim, Wonsang Park, Hyeyong Chu, Kibog Park, Sungchul Jung, Hanbyul Jin
  • Patent number: 10826012
    Abstract: The present disclosure provides a light-emitting display device including a lower substrate, a transistor, a planarization layer, a sacrificial layer, an isolation layer, a lower electrode layer, an organic emission layer and an upper electrode layer. The isolation layer is positioned on the sacrificial layer, and exposes part of the planarization layer through an opening that extends through the isolation layer and the sacrificial layer. The planarization layer includes a first contact hole positioned in the opening, and the lower electrode layer is electrically connected to one electrode of the transistor through the first contact hole.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: November 3, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Howon Choi
  • Patent number: 10807525
    Abstract: A lighting device for lighting the interior of a transportation vehicle having an oblong housing by which a belt carrier having light sources is held. The housing is a reflector element having at least one reflector chamber in which light beams, which are emitted from the light sources are reflected in a diffuse state before the light beams arrive at a light emission opening. A lighting device providing an extremely homogeneous light emission with an extremely compact design.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: October 20, 2020
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Stefan Franke, Klaus Zander
  • Patent number: 10811624
    Abstract: An electroluminescent display includes a lower substrate having a display area with subpixel emission areas defined in the display area; an electrode layer on the lower substrate; a planarization layer formed on the lower substrate such that holes are formed in the planarization layer with each hole being adjacent to a respective one of the subpixel emission areas; lower electrode layer in the respective subpixel emission area; a sacrificial layer surrounding the subpixel emission area and absent at an area having the lower electrode layer; an organic emission layer on the lower electrode layer; and an upper electrode layer on the organic emission layer.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Howon Choi, Joonyoung Heo
  • Patent number: 10811491
    Abstract: A display substrate and a method of manufacturing the same, and a display panel are provided. The display substrate includes: a base substrate, and a first electrode, a first auxiliary electrode, a boss, a pixel definition layer, an organic functional layer and a second electrode provided on the base substrate. The first auxiliary electrode includes a first conductive connection part contacting a side surface of the boss; the pixel definition layer is provided with a pixel accommodating hole and a slot; the organic functional layer is electrically connected with the first electrode through the pixel accommodating hole; and the second electrode is electrically connected with the first conductive connection part through the slot, so that the second electrode is connected with the first auxiliary electrode in parallel.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xing Fan
  • Patent number: 10811436
    Abstract: The present disclosure provides an array substrate and a method for manufacturing the same, a display apparatus. The array substrate includes a base substrate and a plurality of pixel units arranged on the base substrate, each of the pixel units includes a thin film transistor and an electroluminescent device, the thin film transistor and the electroluminescent device are successively arranged on the base substrate in a direction away from the base substrate, the electroluminescent device includes a first electrode, a light emitting layer and a second electrode which are successively arranged in the direction away from the base substrate, the first electrode includes a reflective material, a convex structure is provided between first electrodes of any two adjacent electroluminescent devices, and the first electrodes of the electroluminescent devices extend to side walls of the convex structure, respectively.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guoying Wang, Zhen Song
  • Patent number: 10797246
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer including an emission layer and a hole transport region between the first electrode and the second electrode, wherein the hole transport region is between the first electrode and the emission layer, and the hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2:
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: October 6, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jungsub Lee
  • Patent number: 10787731
    Abstract: At least one embodiment of the present disclosure provides a mask, an evaporation device and an apparatus. The mask includes at least one first mask strip and at least one second mask strip intersected with each other, wherein the mask is configured to form a component of an apparatus and includes a mask pattern for forming the component, and in an intersection region of the first mask strip and the second mask strip, the first mask strip and the second mask strip together constitute a portion of the mask pattern.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: September 29, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Fei Xie, Fujiang Jin
  • Patent number: 10782003
    Abstract: Provided is a light emitting diode (LED) substrate. The LED substrate includes a substrate of a rectangular shape having sides in a first direction and a second direction, a plurality of LED devices placed on a surface of the substrate, and a plurality of conducting member which electrically connects the plurality of LED devices on the surface of the substrate and forms 2n circuits independent from each other in the first direction. Each circuit has a first electrode part and a second electrode part. The first electrode part receives input of an electric current from the outside, the second electrode part outputs an electric current to the outside, and the first electrode part and the second electrode part face each other in the second direction, and are alternately placed in the first direction to be point-symmetrical with respect to a center of the substrate as a symmetry point.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: September 22, 2020
    Assignee: HOYA CANDEO OPTRONICS CORPORATION
    Inventor: Hiroaki Watanabe
  • Patent number: 10763443
    Abstract: The present invention provides a novel compound which is capable of improving light-emitting efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: September 1, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Wonsam Kim, Yeonhee Choi, Hyeryeong Kim, Jaewan Jang, Yuri Kim, Junghwan Park, Soungyun Mun, Seokhyun Kim
  • Patent number: 10756293
    Abstract: Disclosed is an organic light-emitting display device configured such that the undercut shape of an auxiliary electrode is improved and such that a region where the auxiliary electrode and a second electrode contact is filled with an inorganic film, whereby a gap is prevented from being formed and the reliability of the organic light-emitting display device is improved. The organic light-emitting display device includes a first electrode located on a substrate defined by an active area and a non-active area, an organic layer including an emissive layer located on the first electrode, a second electrode located on the organic layer, an auxiliary electrode located in the non-active area, and a passivation layer located on the auxiliary electrode, the passivation layer having a reverse taper-shaped end so as to be exposed to the side surface of the auxiliary electrode. The second electrode extends to the non-active area so as to be electrically connected to the exposed auxiliary electrode.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 25, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae-Sung Lee, Jong-Hyeok Im, Do-Hyung Kim
  • Patent number: 10734542
    Abstract: Light emitting diodes are described. In an embodiment, an LED includes a graded p-side spacer layer on a p-type confinement layer, and the graded p-side spacer layer graded from an initial band gap adjacent the p-type confinement layer to a lower band gap. For example, the graded band gap may be achieved by a graded Aluminum concentration.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: August 4, 2020
    Inventors: David P. Bour, Dmitry S. Sizov
  • Patent number: 10707443
    Abstract: An organic light-emitting display apparatus includes a substrate, an inorganic insulation film on the substrate, an organic insulation film on the inorganic insulation film, an organic light-emitting device on the organic insulation film, and an encapsulation unit including a first inorganic film covering the organic light-emitting device and having a first boundary portion contacting the organic insulation film, an organic film covering the first inorganic film and having a second boundary portion contacting the inorganic insulation film, and a second inorganic film covering the organic film and having a third boundary portion contacting the substrate.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 7, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jinhwan Choi, Taewoong Kim, Taean Seo, Younggug Seol, Pilsuk Lee
  • Patent number: 10680202
    Abstract: A display device and a method of manufacturing the display device are disclosed. In one aspect, the display device includes a substrate including a display region and a peripheral region. A first block member is in the peripheral region and surrounding display structures, the first block member having a first height. A second block member is spaced apart from the first block member in a first direction extending from the display region to the peripheral region, the second block member surrounding the first block member, the second block member having a second height that is greater than the first height. A first encapsulation layer is over the display structures, the first block member, and the second block member. A second encapsulation layer is over the first encapsulation layer, the second encapsulation layer overlapping at least a portion of the first block member in the depth dimension of the display device.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung-Young Shin
  • Patent number: 10672992
    Abstract: The present invention provides a novel compound which is capable of improving light-emitting efficiency, stability and lifespan of an element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: June 2, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Wonsam Kim, Yeonhee Choi, Hyeryeong Kim, Jaewan Jang, Yuri Kim, Junghwan Park, Soungyun Mun, Seokhyun Kim