Solid Light-emitting Display Elements Patents (Class 345/44)
  • Patent number: 11953785
    Abstract: A display panel, a display apparatus and a control method therefor. The electrode group included in the display panel is used for controlling, when loaded with a voltage, the refractive index of the liquid crystal layer, such that when the refractive index of the liquid crystal layer is less than the refractive index of the first substrate, light emitted by the light-emitting module is propagated by means of total reflection in the first substrate, and when the refractive index of the liquid crystal layer is greater than the refractive index of the first substrate, the light emitted by the light-emitting module is propagated toward the second substrate from the first substrate.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: April 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhongxiao Li, Pengxia Liang
  • Patent number: 11929029
    Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
  • Patent number: 11810242
    Abstract: The embodiments of the disclosure provide a method for stabilizing a raycast and an electronic device. The method includes: determining a specific raycast associated with a hand gesture in a virtual environment; determining whether the hand gesture is a pinch gesture; and in response to determining that the hand gesture is the pinch gesture, locking the specific raycast during the pinch gesture.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: November 7, 2023
    Assignee: HTC CORPORATION
    Inventors: Fan Yuan Ng, Ryan Jeffrey Hoback, Russell L McLellan, Edwin Alberto Fonseca
  • Patent number: 11784009
    Abstract: A flexible photovoltaic device is provided. The flexible photovoltaic device includes a flexible inorganic halide perovskite. The flexible inorganic halide perovskite is free of organic components, has a thickness of greater than or equal to about 1 ?m to less than or equal to about 1 nm, and has an average grain size of less than or equal to about 500 nm.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: October 10, 2023
    Assignee: Board of Trustees of Michigan State University
    Inventors: Richard R. Lunt, III, Dianyi Liu
  • Patent number: 11568817
    Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
  • Patent number: 11501714
    Abstract: A display device includes first and second initialization voltage sources and first and second pixel circuits. The first initialization voltage source provides a first initialization voltage. The second initialization voltage source provides a second initialization voltage less than the first initialization voltage. The first pixel circuit includes a first organic light emitting diode. The second pixel circuit includes a second organic light emitting diode with an organic material having a band gap different from a band gap of an organic material in the first organic light emitting diode. The first pixel circuit is coupled to the first initialization voltage source and the second initialization voltage source. The second pixel circuit is coupled to a single initialization voltage source.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyung Jun Park, Yang Wan Kim, Byung Sun Kim, Su Jin Lee, Jae Yong Lee
  • Patent number: 11468828
    Abstract: A display panel includes a pixel including sub pixels. The pixel includes a sub pixel area in which the sub pixels are disposed and a common area. The pixel includes a light emitting diode including an anode electrode and a cathode electrode, and the anode electrode is electrically connected to a first power line to which a high potential voltage is supplied. Each of the sub pixels includes a driving element in which a source is connected to a N1 node, a gate is connected to a N2 node, and a drain is connected to a N3 node, a capacitor connected to the N2 node and a N4 node; a N1 switching circuit connected to the N1 node; a N2 switching circuit connected to the N2 node; a N3 switching circuit connected to the N3 node; and a N4 switching circuit connected to the N4 node.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: October 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: JinYeong Kim, HyeonHo Son, SeongHwan Ju
  • Patent number: 11244603
    Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: February 8, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lihua Wang, Xiaoping Sun, Conghua Ma, Qiang Dong
  • Patent number: 11109495
    Abstract: A display system (10) comprises a display (12) of one or more display surfaces (24), each formed from a plurality of display modules (14) arranged in proximity. Each display module comprising light-emitting elements configured to collectively display information. The display system also comprises one or more tension members (30) and one or more base supporting members (32) connected to the one or more tension members and positioned proximate to one or more of the display modules located at a vertical base of the display. The one or more base supporting members are coupled to the display modules located at the vertical base such that the one or more base supporting members provide underlying support to the plurality of display modules. The one or more tension members and the one or more base supporting members support the weight of the display when the one or more tension members are connected to a support structure.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 31, 2021
    Assignee: Daktronics, Inc.
    Inventors: Kent Shane Miller, Ashton Flowers, Jon Settingsgard
  • Patent number: 10971083
    Abstract: A compensation method for a display panel, a compensation device for a display panel, and a display apparatus are provided. The display panel includes a plurality of pixel units, and each pixel unit includes a pixel circuit and a light-emitting element. The compensation method includes: detecting a threshold voltage of a drive transistor in the pixel circuit; detecting a maximum data voltage corresponding to a maximum brightness of the light-emitting element; and based on the threshold voltage, the maximum data voltage and an expected display brightness, calculating a compensation display data voltage in a normal display state after the display panel is compensated.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: April 6, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Song Meng, Fei Yang
  • Patent number: 10912516
    Abstract: A living body information measurement device includes an illuminator that irradiates a living body with illumination light; an imaging unit that images the living body; and a computation unit that computes living body information on the basis of a difference between pixel data in an irradiation area being an area of the living body irradiated with the illumination light and pixel data in a non-irradiation area being an area of the living body not irradiated with the illumination light, included in pixel data associated with each position in an image generated by the imaging of the imaging unit.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: February 9, 2021
    Assignee: PANASONIC CORPORATION
    Inventors: Shinji Uchida, Koichi Kusukame, Shinichi Shikii, Masatsugu Niwayama
  • Patent number: 10887950
    Abstract: Provided is a cooking apparatus including: an induction heating coil that generates a magnetic field heating a cooking container; and an image generating unit that radiates light so that an image is generated on a surface of the cooking container, wherein the image generating unit includes: a plurality of light sources that radiate light toward the cooking container; a light source driving circuit that provides driving currents to the plurality of light sources; and a light-emitting controller that controls the light source driving circuit.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Sun Yun, Seung-Hwan Kim, Kwan Joon Kim, Eun Dae Bae, Heung Mun Oh, Ji Hyeoung Lee
  • Patent number: 10846905
    Abstract: The present disclosure generally relates to generating and modifying virtual avatars. An electronic device having a camera and a display apparatus displays a virtual avatar that changes appearance in response to changes in a face in a field of view of the camera. In response to detecting changes in one or more physical features of the face in the field of view of the camera, the electronic device modifies one or more features of the virtual avatar.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: November 24, 2020
    Assignee: Apple Inc.
    Inventors: Guillaume Pierre André Barlier, Sebastian Bauer, Aurelio Guzman, Nicolas Scapel, Giancarlo Yerkes
  • Patent number: 10795631
    Abstract: A flexible display includes a plurality of pixel chips, chixels, provided on a flexible substrate. The chixels and the light emitters thereon may be shaped, sized and arranged to minimize chixel, pixel, and sub-pixel gaps and to provide a desired bend radius of the display. The flexible substrate may include light manipulators, such as filters, light converters and the like to manipulate the light emitted from light emitters of the chixels. The light manipulators may be arranged to minimize chixel gaps between adjacent chixels.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: October 6, 2020
    Assignee: Nanolumens Acquisition, Inc.
    Inventors: Richard Cope, Drew F. Meincke, Daniel P. Bradbury, David Scott Rowley
  • Patent number: 10371953
    Abstract: This invention suppresses the narrowing of the communication band between a device and an information processing apparatus that form an image display system. Hence, an HMD of a user includes a sensor that detects a position and orientation, a communication interface that transmits, to the information processing apparatus, position and orientation information representing the detected position and orientation and receives a CG command from the information processing apparatus, a rendering unit that renders a CG based on the received CG command, and a display control unit that displays the rendered CG on a display unit.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 6, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Norihito Aoki
  • Patent number: 10297649
    Abstract: Provided is a light-emitting device and an information processing device which include a light-emitting element mounted on a housing and an optical component detachable from the housing. The optical component is capable of condensing light emitted from the light-emitting element. This structure allows a user to select the emission of diffused light and condensed light by attaching or detaching the optical component.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: May 21, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Yoshiharu Hirakata
  • Patent number: 10288234
    Abstract: A system and method for stimulating light sensors (e.g., UV) using a hand-held stimulator. The hand-held stimulator is portable and configurable to store a plurality of routines comprising various light signatures. In some cases, the signature is a threat signature (e.g., missile, RPG, and/or gunfire) and the stimulator is used as part of system integration, field and flight line, and/or lab testing for systems utilizing light sensors.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 14, 2019
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventors: Jenna M. Whelan, Fernando Hernandez, Jared Kondratuk, Denise X. Zhang
  • Patent number: 10269299
    Abstract: A display driving method and device, and a display device are provided. The method comprises: obtaining a data voltage to be output to each of successive k rows of pixel circuits by a source driving integrated circuit, where k is an integer and not less than 1; determining a maximum voltage of the data voltage to be output to each of the successive k rows of pixel circuits; determining a magnitude of a power supply voltage required for the source driving integrated circuit to output the data voltages to the successive k rows of pixel circuits in accordance with the maximum voltage; and supplying the required power supply voltage to the source driving integrated circuit in accordance with the determined magnitude of the required power supply voltage when the source driving integrated circuit outputs the data voltages to the successive k rows of pixel circuits.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: April 23, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Szu-Heng Tseng
  • Patent number: 9748314
    Abstract: Provided is a light-emitting device and an information processing device which include a light-emitting element mounted on a housing and an optical component detachable from the housing. The optical component is capable of condensing light emitted from the light-emitting element. This structure allows a user to select the emission of diffused light and condensed light by attaching or detaching the optical component.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: August 29, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Yoshiharu Hirakata
  • Patent number: 9523573
    Abstract: Sinusoidal signals (S1, S2) having a phase difference of 120° are output from two magnetic sensors in accordance with rotation of an input shaft. A first rotation angle computation unit computes a rotation angle ?(n) on the basis of output signals S1(n), S1(n?1), S2(n), S2(n?1) from the magnetic sensors, which are sampled at two sampling timings. At this time, the first rotation angle computation unit computes the rotation angle ?(n) on the assumption that there are no variations of amplitudes of the output signals (S1, S2) from each one of the two sensors due to temperature changes between the two sampling timings.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: December 20, 2016
    Assignee: JTEKT CORPORATION
    Inventors: Takeshi Takaki, Yuji Kariatsumari, Yoshinobu Shimizu, Yasuyuki Yoshii
  • Patent number: 9389715
    Abstract: A display apparatus that may enable sensing a multi-touch and a proximity object is provided. The display apparatus may display an image generated by the object on an organic light emitting diode (OLED) display panel, and may sense an invisible light that may be reflected by the object and may have entered through a hole.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: July 12, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwon Ju Yi, Chang Kyu Choi, Sung Joo Suh, Du Sik Park
  • Patent number: 9263504
    Abstract: Provided is a light-emitting device and an information processing device which include a light-emitting element mounted on a housing and an optical component detachable from the housing. The optical component is capable of condensing light emitted from the light-emitting element. This structure allows a user to select the emission of diffused light and condensed light by attaching or detaching the optical component.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: February 16, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Yoshiharu Hirakata
  • Patent number: 9252297
    Abstract: An optoelectronic device comprises an optoelectronic semiconductor stack layer; a conductive layer on the optoelectronic semiconductor stack layer, the conductive layer comprising a top surface, a bottom surface opposite to the top surface, and a side surface; a first barrier layer covering the top surface; a second barrier layer covering the bottom surface; and a first metal oxide layer, wherein the first metal oxide layer covers the side surface, the first barrier layer, and the second barrier layer.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: February 2, 2016
    Assignee: EPISTAR CORPORATION
    Inventors: Yi-Hung Lin, Cheng-Hong Chen
  • Patent number: 9153630
    Abstract: Provided is a light-emitting device and an information processing device which include a light-emitting element mounted on a housing and an optical component detachable from the housing. The optical component is capable of condensing light emitted from the light-emitting element. This structure allows a user to select the emission of diffused light and condensed light by attaching or detaching the optical component.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: October 6, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Yoshiharu Hirakata
  • Patent number: 9035311
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 19, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Keon Park, Tae-Hoon Yang, Jin-Wook Seo, Soo-Beom Jo, Dong-Hyun Lee, Kil-Won Lee, Maxim Lisachenko, Yun-Mo Chung, Bo-Kyung Choi, Jong-Ryuk Park, Ki-Yong Lee
  • Patent number: 9030390
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: May 12, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Toya, Takehiko Kubota
  • Patent number: 8992041
    Abstract: A lamp may include an outer shell having heat conductivity and a base provided in the outer shell. The outer shell may include a light source support, and a heat radiating surface exposed to the outside of the outer shell. The light source support may, in some examples, be formed integrally with the heat radiating surface. A light source may be supported on the light source support. The light source may be heated during lighting, and be thermally connected to the light source support. In some examples, the light source may be covered by a cover.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: March 31, 2015
    Assignee: Toshiba Lighting & Technology Corporation
    Inventor: Shigeru Osawa
  • Patent number: 8928559
    Abstract: In embodiments of the present invention, improved capabilities are described for displaying and managing dynamic, multi-media, video content presentation on an architectural scale. Methods and systems described include associating a video display with an advertising marketplace and leasing rights to a video display. A plurality of physical panel, rod, curtain, blade, and fin video display arrays are described, as are methods and systems for managing and editing video for display and powering a video display that is associated with an architectural feature.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: January 6, 2015
    Assignee: Standardvision, LLC
    Inventor: Adrian Velicescu
  • Patent number: 8916855
    Abstract: An organic light-emitting display apparatus includes a thin film transistor having an active layer, a gate electrode, and source and drain electrodes, an organic light-emitting device having a pixel electrode connected to the thin film transistor, an intermediate layer including an emissive layer, and an opposite electrode, and an opposite electrode contact portion having a joining region and an insulating region. The opposite electrode and a power interconnection line contact each other in the joining region. An insulating layer is interposed between the opposite electrode and the power interconnection line in the insulating region, and a portion of the insulating layer penetrates into the power interconnection line in the insulating region.
    Type: Grant
    Filed: October 17, 2012
    Date of Patent: December 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Park, Yul-Kyu Lee, Kyu-Sik Cho, Ji-Hoon Song
  • Patent number: 8884847
    Abstract: A display apparatus disclosed herein includes a plurality of pixel circuits, each having a plurality of switches configured to receive a driving signal of a predetermined period and to be controlled for opening and closing operation by the driving signal, a drive circuit configured to control the open/closed state of the switches, being operable to scan the pixel circuits and open and close the switches in periods independent of each other.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: November 11, 2014
    Assignee: Sony Corporation
    Inventors: Mitsuru Asano, Takao Tanikame
  • Patent number: 8872867
    Abstract: A signal processing device measures an actual luminance of a light-emitting device by setting levels of gradation values indicating the degree of light emission to a pixel circuit having the light-emitting device to generate measurement information. The device also calculates gradation deterioration characteristics based on the measurement information and the relationship between a gradation value and a luminance value when the pixel circuit is in a correction reference state. A deterioration value calculation calculates a conversion efficiency deterioration value of conversion efficiency for the light-emitting device to convert a driving current supplied for a gradation value into a luminance to generate conversion efficiency deterioration characteristic information.
    Type: Grant
    Filed: December 12, 2011
    Date of Patent: October 28, 2014
    Assignee: Sony Corporation
    Inventors: Junichi Yamashita, Katsuhide Uchino
  • Patent number: 8822998
    Abstract: An organic light emitting display device includes a substrate, a plurality of sub-pixels on the substrate, each sub-pixel including a first region configured to emit light and a second region configured to transmit external light, a plurality of thin film transistors disposed in the first region of the each sub-pixel, a plurality of first electrodes disposed in the first region of each sub-pixel and electrically connected to the thin film transistors, a first insulating layer on at least a portion of the first region of each sub-pixel to cover a portion of the first electrode, an organic emission layer on the first electrode, a second insulating layer on at least a portion of the second region of each sub-pixel, the second insulating layer including a plurality of openings therein, and a second electrode covering the organic emission layer, the first insulating layer, and the second insulating layer.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Kim, Jun-Ho Choi, Jin-Koo Chung
  • Patent number: 8823009
    Abstract: The present invention provides a method for manufacturing a highly reliable display device at a low cost with high yield. According to the present invention, a step due to an opening in a contact is covered with an insulating layer to reduce the step, and is processed into a gentle shape. A wiring or the like is formed to be in contact with the insulating layer and thus the coverage of the wiring or the like is enhanced. In addition, deterioration of a light-emitting element due to contaminants such as water can be prevented by sealing a layer including an organic material that has water permeability in a display device with a sealing material. Since the sealing material is formed in a portion of a driver circuit region in the display device, the frame margin of the display device can be narrowed.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: September 2, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Satoshi Murakami, Motomu Kurata, Hiroyuki Hata, Mitsuhiro Ichijo, Takashi Ohtsuki, Aya Anzai, Masayuki Sakakura
  • Patent number: 8810765
    Abstract: An electroluminescence element includes an electroluminescence substrate including a thin film transistor substrate, and a light-emitting layer provided over the thin film transistor substrate and divided by picture-element separating portions so as to correspond to unit picture elements; and a sealing substrate arranged to hermetically seal the light-emitting layer of the electroluminescence substrate. At least one of the electroluminescence substrate and the sealing substrate is a flexible substrate. Spacers are provided between the electroluminescence substrate and the sealing substrate.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: August 19, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tohru Okabe, Hirohiko Nishiki
  • Patent number: 8803773
    Abstract: A display apparatus is provided which is capable of improving display quality by expanding the light-emission area of pixels by improving the layout of pixels and common power-feed lines formed on a substrate. Pixels including a light-emission element, such as an electroluminescence element or an LED element, are arranged on both sides of common power-feed lines so that the number of common power-feed lines is reduced. Further, the polarity of a driving current flowing between the pixels and the light-emission element is inverted so that the amount of current flowing through the common power-supply lines is reduced.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: August 12, 2014
    Assignee: Intellectual Keystone Technology LLC
    Inventor: Tokuroh Ozawa
  • Patent number: 8723762
    Abstract: In an example embodiment, a display apparatus includes a substrate having wiring lines formed by a conductor film including signal and scanning lines arranged in columns and rows, and a matrix of pixels, and includes a light-emitting material interposed between an anode and cathode electrode and a first and second uneven zone are between the anode electrode of the pixel and an adjacent pixel. The first uneven zone is formed on the substrate due to level differences resulting from the presence of the scanning lines. The second uneven zone is formed on the substrate also due to level differences resulting from the presence of the scanning lines. A pattern of the conductor film of which the wiring lines are made is formed so part of recessed portions of the first uneven zone are located behind their corresponding raised portions of the second uneven zone, as viewed from inside the pixel.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: May 13, 2014
    Assignee: Sony Corporation
    Inventors: Katsuhide Uchino, Tetsuro Yamamoto
  • Patent number: 8686660
    Abstract: An organic light-emitting diode (35) is described, which comprises a light-emitting structure designed to emit light when it is powered, and a delay structure designed to delay a propagation of at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom) having a temporal relationship with one another and such a signal strength that a part of the light-emitting structure is driven in dependence on coincidence of the power signal pulses at said part of the light-emitting structure, and a terminal structure designed to receive the at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom) and to feed the delay structure at its different positions with the at least two power signal pulses (4a_left, 4b_right, 4a_top, 4b_bottom). A circuit for powering said light-emitting structure, as well as a method of operating said organic light-emitting diode (35) is also described.
    Type: Grant
    Filed: November 30, 2009
    Date of Patent: April 1, 2014
    Assignee: Koninklijke Philips N.V.
    Inventor: Harald J. G. Radermacher
  • Patent number: 8686984
    Abstract: A system related to the improvement of the design of display device screens during the off or stand-by state is provided. The system comprises a display device and a device connected to the display device, wherein the device comprises a material having a switchable optical configuration. The display device may e.g. by a TV screen, or any other display such as computer monitors.
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: April 1, 2014
    Assignee: Kkoninklijke Philips N.V.
    Inventors: Helga Hummel, Matthias Wendt, Hans-Peter Loebl, Claudia Michaela Goldmann
  • Patent number: 8674344
    Abstract: A display device includes: a display substrate; a display formed on the display substrate; an encapsulation substrate affixed to the display substrate by an adhering layer surrounding the display, the display substrate including a composite member including a resin matrix and a plurality of carbon fibers and an insulation member attached to an edge of the composite member and forming a through hole; a metal layer positioned on a side of the encapsulation substrate facing the substrate; and a conductive connector filling the through hole and contacting the metal layer. The composite member is stacked with at least two layers with different sizes, and the insulation member contacts sides of the at least two layers and has the same thickness as the composite member.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: March 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Min Lee, Choong-Ho Lee, Kie Hyun Nam
  • Patent number: 8643002
    Abstract: An organic light emitting diode display includes a substrate, a display unit that includes a common power line and a common electrode, an encapsulation substrate that is attached to the substrate by an adhering layer enclosing the display unit and includes a resin matrix and a plurality of carbon fiber. The display includes a first conductive portion and a second conductive portion. The first conductive portion is on a first inner surface region, a first side surface region, and a first outer surface region of the encapsulation substrate. The first conductive portion is adapted to supply a first electrical signal to the common power line. The second conductive portion is on a second inner surface region, a second side surface region, and a second outer surface region of the encapsulation substrate. The second conductive portion is adapted to supply a second electrical signal to the common electrode.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyung Ryu, Chun-Seok Ko, Sang-Soo Kim
  • Patent number: 8587194
    Abstract: An organic electroluminescent display (OELD) device includes a first substrate having a first unit pixel region including first and second pixel regions; first and second gate lines along a first direction; first and second data lines along a second direction; a switching TFT in the first pixel region; a driving TFT in the first pixel region; a passivation layer including a first contact hole exposing a portion of the driving TFT; a first electrode contacting the driving TFT through the first contact hole; a bank surrounding the second pixel region an organic emitting layer in the second pixel region; and a transparent second electrode on the organic emitting layer and the bank, wherein the second pixel region is a region shifted from the first pixel region such that the second gate line goes across the second pixel region.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: November 19, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Yoon Lee, Sung-Joon Bae
  • Patent number: 8552929
    Abstract: A graphical display station of arbitrary shape such as channel letters or other shaped structures is populated with pixels which are components of flexible pixel strings which can be arranged to fit the arbitrary shape(s). The flexible pixel strings provide for straightforward and cost effective fabrication of channel letter or other shaped displays. The invention also includes pixel units which comprise lighting elements together with such control circuits as are needed to roperly drive the lighting elements to form a graphical image. Addressing of the particular pixels is provided to accommodate the arbitrary arrangement of pixels of the flexible pixel strings. Methods of fabricating a channel letter display are also disclosed.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: October 8, 2013
    Assignee: Daktronics, Inc.
    Inventors: Thomas R. Mittan, Chad Neal Gloege, Brett David Wendler
  • Patent number: 8542337
    Abstract: An embodiment of the invention provides a pixel structure of an active matrix organic light emitting display comprising a gate line, a common electrode line, a signal line, a power line, a first thin film transistor which is used as an addressing element, and a second thin film transistor which controls the organic light emitting display. A short-circuit-ring structure is connected between the common electrode line and the signal line and the short-circuit-ring structure communicates the signal line and the common electrode line in the case where a large current flows.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: September 24, 2013
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventor: Mi Zhang
  • Patent number: 8472191
    Abstract: An image displaying apparatus, which is excellent in heat radiation efficiency and has an excellent back design, includes a display panel for displaying an image; a heat generating member provided on a back side of the display panel; and a cabinet for covering the display panel and the heat generating member at least from the back side of the display panel. In the cabinet, an aperture is provided at a position facing the heat generating member, and an opening/closing unit enables switching between closing and opening of the aperture. In a state that the aperture is opened by the opening/closing unit and one part of a heat-transfer member is positioned on a side of the cabinet opposite to the display panel, the other part of the heat-transfer member extends through the aperture so that the heat-transfer member can thermally be connected to the heat generating member.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: June 25, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Yamamoto, Kinya Kamiguchi
  • Patent number: 8462949
    Abstract: Methods and apparatus for displaying visual content on a display such that the content is comprehensible only to an authorized user for a visual display system such as a computer, a television, a video player, a public display system (including but not limited to a movie theater), a mobile phone, an automated teller machine (ATM), voting booths, kiosks, security screening workstations, tactical displays and other systems where information is displayed for viewing.
    Type: Grant
    Filed: November 29, 2008
    Date of Patent: June 11, 2013
    Assignee: Oculis Labs, Inc.
    Inventors: William R. Anderson, Steven E. Turner, Steve Pujia, George L. Heron
  • Patent number: 8462087
    Abstract: An organic light emitting diode display device and the driving method thereof that is adaptive for increasing display quality. The organic light emitting diode display device according to an embodiment includes a display panel where pixels having an organic light emitting diode device are arranged in a matrix type and a data driver that supplies a data voltage and an inverted voltage to the pixels, where the inverted voltage is symmetric to the data voltage relative to a reference voltage.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: June 11, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Hong Koo Lee, Sang Hoon Jung
  • Patent number: 8409887
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: April 2, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Keon Park, Tae-Hoon Yang, Jin-Wook Seo, Soo-Beom Jo, Dong-Hyun Lee, Kil-Won Lee, Maxim Lisachenko, Yun-Mo Chung, Bo-Kyung Choi, Jong-Ryuk Park, Ki-Yong Lee
  • Patent number: 8384582
    Abstract: An active transponder for synthetic aperture radar systems includes a receiving antenna for receiving a first radiofrequency signal modulated according to a first train of one or more first pulses, separating means comprising two outputs outputting the first radiofrequency signal, second processing means connected to a first output of the separating means to generate a code synchronized with the first pulses, signal generating means connected to the second output and to the second processing means generate a second radiofrequency signal modulated by the code, and a transmitting antenna means to transmit the second radiofrequency signal to generate, for each one of the first pulses, a sequence of one or more second pulses, the code being synchronized with the second pulses.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: February 26, 2013
    Assignee: Space Engineering S.p.A.
    Inventors: Giuseppe Chiassarini, Giuseppe D'Angelo
  • Patent number: 8376839
    Abstract: A gaming machine includes a cabinet frame, a display, and an emotive lighting area. The cabinet frame has a cabinet surface visible to and facing a player position in front of the gaming machine. The display is mounted to the cabinet frame and is configured to display a randomly selected outcome from a wagering game. The emotive lighting area is integrated with the cabinet frame on the cabinet surface, proximate the display, and is separate from the display. The emotive lighting area includes a light source and a reflective surface, each of the light source and the reflective surface being concealed within the cabinet frame such that they are not viewable from the player position, the reflective surface configured to receive light directly from the light source and to reflect the light to a viewable area.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: February 19, 2013
    Assignee: WMS Gaming Inc.
    Inventors: Paul M. Lesley, Jacob C. Greenberg, Walter E. Smolucha, Dorian A. Flowers
  • Patent number: 8350788
    Abstract: A louver panel for an electronic sign incorporating multiple spaced primary and secondary louvers extending outwardly from a configured substantially planar panel to provide direct shading of the structure adjacent to an LED, to the structure of the louver panel including the louvers and the panel, and to provide shading for all or part of an LED. Spacings of the louvers provide for regions of shade which improve contrast and which in transition between panels camouflage horizontal seams.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: January 8, 2013
    Assignee: Daktronics, Inc.
    Inventors: Nathan L. Nearman, Brett D. Wendler, Eric S. Bravek, Chad N. Gloege, Matthew R. Mueller, Jason N. Harms