Patents Assigned to Konica Minolta Holdings, Inc.
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Publication number: 20130062654Abstract: Disclosed is a novel light extraction sheet which not only improves light extraction efficiency but suppresses color change with the angle of observation, an organic EL dement employing this light extraction sheet, and art illumination device employing the element. The light extraction sheet is featured in that it comprises a transparent resin film and provided thereon, a light scatter layer containing a binder resin and light scattering particles with an average particle size of front 0.2 to 1.0 ?m dispersed in the binder resin and a concavo-convex layer containing a binder resin and spherical particles with an. average particle size of from 3 to 10 ?m.Type: ApplicationFiled: May 17, 2011Publication date: March 14, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yasuo Taima, Kunimasa Hiyama
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Publication number: 20130063786Abstract: A threshold matrix generating method includes: generating q(x, y, g) in which the number of dots in an initial dot pattern is varied; calculating an error matrix (ERR(x, y, g)) of q(x, y, g); calculating AVE(a, b) representing the uniformity of the number of dots in discrete blocks into which the dot pattern has been divided; determining two pixels, of which the dot positions are to be swapped, on the basis of ERR (x, y, g) and AVE(a, b); swapping the dot positions; calculating the evaluation value (MSE(n)) of q(x, y, g) after the positional swapping; and repeating the positional switch of the dots repeating the generation of q(x, y, g) and the positional swapping of the dots with q(x, y, g) functioning as the initial dot pattern until a q(x, y, g) satisfying MSN(n)<MSN(n?1) is obtained.Type: ApplicationFiled: May 9, 2011Publication date: March 14, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Toshiyuki Mizutani, Kenichirou Hiramoto
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Patent number: 8393728Abstract: Provided are an aqueous ink-jet ink and a method for forming an ink-jet image enabling to decrease bleed occurrence during high-speed printing and to realize highly detailed image quality. An aqueous ink-jet ink characterized by containing water, a pigment, an organic or inorganic amine salt, and a water-soluble resin having a higher pKa than an acid component formed by dissociation of the amine salt in an ink.Type: GrantFiled: March 25, 2010Date of Patent: March 12, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Masashi Ikeda, Hirotaka Iijima, Hisashi Mori
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Publication number: 20130049576Abstract: Provided is an organic electroluminescence element containing an anode, a cathode and a plurality of organic layers including a light emitting layer sandwiched between the anode and the cathode, wherein at least one of the organic layers contains: a blue phosphorescence organic metal complex which is coordinated with a ligand having a structure represented by Formula (1); and a compound represented by Formula (H1), provided that Formula (H1) includes a structure represented by Formula (H2),Type: ApplicationFiled: August 15, 2012Publication date: February 28, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Rie KATAKURA, Hideo TAKA
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Patent number: 8384982Abstract: A display element containing an electrolyte (containing a metal salt compound) disposed between counter electrodes, wherein a compound represented by the following Formula (A) is immobilized on at least one of the counter electrodes: wherein R22 represents an aryl group, R23 and R24 independently represents a hydrogen atom or a substituent; X represents >N—R25, an oxygen atom or sulfur atom; and R25 represents a hydrogen atom or a substituent, a ratio of a region on which the compound of Formula (A) is immobilized to a region on which the compound is not immobilized is 1:4 to 4:1. A black display, a white display and a color display having a color other than black are achieved by the operation of the counter electrodes.Type: GrantFiled: September 3, 2008Date of Patent: February 26, 2013Assignee: Konica Minolta Holdings, Inc.Inventor: Takeshi Hakii
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Patent number: 8383829Abstract: An electrochromic compound represented by Formula (1), wherein R1 is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group; R2 and R3 are each a hydrogen atom or a substituent; X is N—R4, an oxygen atom, or a sulfur atom; and R4 is a hydrogen atom or a substituent; provided that at least one of R1-R4 has a partial structure represented by Formula (2), —Si(Y)nR?(3-n)??Formula (2) wherein Y is a halogen atom or OR, R is an alkyl group, or an aryl group; R? is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group, and n is an integer of 1-3.Type: GrantFiled: April 7, 2009Date of Patent: February 26, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Kaori Ono, Osamu Ishige, Takeshi Hakii, Akihito Hisamitsu
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Patent number: 8384812Abstract: A technique capable of satisfying both higher functionality and higher accuracy in a compact imaging device is sought to be provided. In order to accomplish the above object, an imaging device is formed by lamination of a plurality of layers including: an imaging element layer that has an imaging element part; a lens layer that has a lens part whose distance from the imaging element part is changeable, and is disposed between a subject and the imaging element part; and an actuator layer that has an actuator part to move the lens part, and is disposed between the subject and the imaging element part.Type: GrantFiled: April 1, 2009Date of Patent: February 26, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Natsuki Yamamoto, Akira Kosaka, Yasutaka Tanimura
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Publication number: 20130044168Abstract: In the present invention, provided are an ink jet image forming method employing actinic energy radiation curable ink-jet ink exhibiting no offset resistance during storage by superposing printed portions after printing in addition to excellent properties of printing durability, gloss evenness of coated paper and paper-feeding suitability, and an ink jet ink set thereof. It is a feature that the ink jet image forming method possessing the steps of providing colorless ink on a substrate, followed by heating the colorless ink provided on the substrate, and subsequently exposing the colorless ink provided on the substrate, to actinic energy radiation, wherein the colorless ink contains no colorant but an actinic energy radiation curable composition and a gelling agent with which a thermoreversible gel is formed.Type: ApplicationFiled: September 13, 2010Publication date: February 21, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Makoto Kaga, Akio Maeda
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Patent number: 8379126Abstract: When the brightness of a subject detected by a detecting device 4 is higher than a predetermined value, for example 700 [cd/m2], a switching judgment circuit 5 judges that an area sensor (solid-state image-sensing device) 3 should perform logarithmic conversion. In response to this judgment by the switching judgment circuit 5, a switching signal generating circuit 6 outputs a switching signal to instruct the area sensor 3 to perform logarithmic conversion. When the brightness of the subject detected by the detecting device 4 is lower than the predetermined value, for example 700 [cd/m2], a switching judgment circuit 5 judges that the area sensor 3 should perform linear conversion. In response to this judgment by the switching judgment circuit 5, the switching signal generating circuit 6 outputs a switching signal to instruct the area sensor 3 to perform linear conversion.Type: GrantFiled: October 12, 2004Date of Patent: February 19, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Yasushi Kusaka, Tomokazu Kakumoto, So Yano, Katsuhiko Asai, Satoshi Nakamura
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Patent number: 8377571Abstract: Disclosed is an organic EL device material having high luminous efficiency and high color purity. Also disclosed are an organic EL device, and an illuminating device and a display each using the organic EL device.Type: GrantFiled: January 26, 2006Date of Patent: February 19, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Tomohiro Oshiyama, Masato Nishizeki, Noboru Sekine
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Publication number: 20130038668Abstract: Provided is a print preparation method possessing an ejection step in which liquid drops of actinic energy radiation curable type ink-jet ink each containing a polymerizable compound, a photo-polymerizable initiator and a gelling agent are injected from an ink-jet recording head to supply the actinic energy radiation curable type ink-jet ink onto a recording medium, and an actinic energy radiation exposure step, wherein the print preparation method further comprises step (A) in which the recording medium is exposed to electromagnetic waves having a longer wavelength than a wavelength of an absorption wavelength of the photo-polymerization initiator contained in the actinic energy radiation curable type ink-jet ink from a side of a surface on which the image is formed, before conducting the actinic energy radiation exposure step, the print preparation method by which a print having images exhibiting excellent image wear resistance, gloss evenness and image density evenness is provided.Type: ApplicationFiled: April 11, 2011Publication date: February 14, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Makoto Kaga, Hirotaka Iijima
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Patent number: 8372686Abstract: A method for producing an organic thin film transistor having, on a substrate, a source electrode, a gate electrode, a drain electrode, an insulating layer and an organic semiconductor layer. The method has a step of forming the source electrode and the drain electrode such that one of the source electrode and the drain electrode which is an inner-located electrode has an outer circumference which is circular or polygonal and that the other electrode which is an outer-located electrode has an inner circumference facing the outer circumference of the inner-located electrode, the inner circumference being of a shape which is substantially concentric with the outer circumference of the inner-located electrode. The method also has a step of forming the organic semiconductor layer for connecting the source electrode and the drain electrode to each other by a process of dropping an organic semiconductor material.Type: GrantFiled: March 5, 2007Date of Patent: February 12, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Jun Yamada, Yuya Hirao, Naoki Masazumi
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Patent number: 8367224Abstract: Disclosed is an organic electroluminescence element comprising an anode, a cathode and a plurality of organic compound layers between the anode and the cathode, provided that one of the organic compound layers is a light emitting layer containing a phosphorescence emitting compound, wherein at least one of the organic compound layers contains a compound represented by Formula (1), wherein, X represents O or S; Y1 to Y3 each represents a hydrogen atom, a substituent or a group represented by Formula (A) disclosed in the specification, provided that at least two of Y1 to Y3 are groups represented by Formula (A), not all of Y1 to Y3 are the same group, and at least one of the groups represented by Formula (A) has Ar of a carbazolyl group, or an azacarbazolyl group containing 2 to 5 nitrogen atoms.Type: GrantFiled: April 1, 2010Date of Patent: February 5, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Rie Katakura, Shuichi Sugita, Eisaku Katoh, Motoaki Sugino, Rie Fujisawa
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Patent number: 8369248Abstract: An information transmitting and receiving system having an information transmitting device including: an information reading section; an information processing section which divides the information into a plurality of information segments, and gives an identifier uniquely to each divided information segment; and an information transmitting section which repeatedly transmits a bundle of identifiers in a first period of time, and an information receiving device including: an information receiving section which receives the identifiers; an information selecting section which selects an information segment desired to read; a display section which displays the information segment desired to read; and a display control section which controls the information display section such that if the information receiving section does not receive the identifier given to the information segment desired to read within a second period of time, stops displaying the information segment.Type: GrantFiled: December 27, 2007Date of Patent: February 5, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Tomoyuki Terada, Po-Chieh Hung
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Patent number: 8366861Abstract: Provided is an anode bonding method by which a silicon substrate and a glass substrate are well anodically bonded without generating positional shift, even when an electrode cannot be arranged on a surface on the opposite side to a bonding surface of a glass substrate and the bonding surface is large. The method for anodically bonding the glass substrate and the silicon substrate is provided with a step of placing on the glass substrate the silicon substrate whereupon a through hole is arranged; a step of bringing the anode electrode into contact with the surface of the overlapped silicon substrate opposite to the surface facing the glass substrate, and bringing an cathode electrode into contact with the glass substrate through the through hole arranged on the silicon substrate; and a step of applying a direct current voltage to the anode electrode and the cathode electrode in a state where the glass substrate and the silicon substrate are heated.Type: GrantFiled: August 29, 2008Date of Patent: February 5, 2013Assignee: Konica Minolta Holdings, Inc.Inventor: Nobuhiro Ueno
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Publication number: 20130027735Abstract: Disclosed is an image forming apparatus that makes it possible to suppress the scale enlargement of the electric circuit, so as to make the apparatus highly flexible. The apparatus forms an image based on image data acquired by applying a rendering operation to depiction commands and includes: a converting section to convert input data to the depiction commands; a first rendering section to apply the rendering operation to a first depiction command; a second rendering section to apply the rendering operation to a second depiction command; a reading section to read out first information from the storage section; a determining section to determine whether the first rendering section or the second rendering section should apply the rendering operation to each of the depiction commands; and a control, section to make either the first rendering section or the second rendering section apply the rendering operation to each of the depiction commands.Type: ApplicationFiled: January 24, 2011Publication date: January 31, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Takenori Kitada, I, Kiyoshi Takagi, Hitoshi Koyanagi, Shinya Fujisawa
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Patent number: 8356448Abstract: Provided is a movable tensegrity structure capable of performing bending operation, twisting operation, contracting operation, etc. by itself. The movable tensegrity structures (1, 1*, 10) is constituted by combining a plurality of rigid members (2, 11) and tension members (3, 12) for connecting the end points (E, F) of the rigid members (2, 11), respectively. The tensegrity structure is characterized in that all or a part of the plurality of tension members (3, 12) is formed of a contraction-controllable member.Type: GrantFiled: January 13, 2009Date of Patent: January 22, 2013Assignee: Konica Minolta Holdings, Inc.Inventor: Kazuhiro Nihei
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Publication number: 20130014980Abstract: Disclosed is a transparent electrode which is configured of a first conductive layer that is composed of a metal or metal oxide fine wire that is formed in a pattern on a substrate; and a second conductive layer that covers the first conductive layer and contains a conductive polymer. The transparent electrode is characterized in that the fine wire of the first conductive layer satisfies the conditions mentioned below. Also disclosed is an organic electronic element Line width (W): 20-200 ?m Height (H): 0.2-2.0 ?m Aspect ratio: 0.001<H/W?0.1 Coefficient of cross-sectional shape: 0.6<S/(W·H)<0.9 (In this connection, S represents the cross-sectional area of the conductive layer.Type: ApplicationFiled: March 25, 2011Publication date: January 17, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Akihiko Takeda, Hirokazu Koyama
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Patent number: 8353589Abstract: Disclosed is a method for forming an image with an ink-jet recoding method which forms the image on a coated printing paper by employing an ink containing water in an amount of 20 to 90% weight based on the total weight of the ink, a pigment and a resin, the method containing the sequential steps of: applying an aqueous processing solution on the coated printing paper; drying the aqueous processing solution applied on the coated printing paper; and ejecting droplets of the ink on the coated printing paper, wherein the aqueous processing solution is capable of aggregating the ink or increasing a viscosity of the ink, and the coated printing paper is heated from 40 to 60° C. during the step of ejecting the droplets of the ink.Type: GrantFiled: March 16, 2010Date of Patent: January 15, 2013Assignee: Konica Minolta Holdings, Inc.Inventors: Masashi Ikeda, Hirotaka Iljima, Hisashi Mori
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Patent number: 8353575Abstract: Provided is a nozzle sheet manufacturing method by which highly fine manufacture and low cost are achieved. The method for manufacturing a nozzle sheet to be used for an inkjet head for an inkjet printer is provided with a step of forming a first resin sheet on a patterned liquid repellent film on a first dummy substrate, a step of forming a first nozzle which penetrates the first resin sheet, and a step of peeling the first dummy substrate.Type: GrantFiled: April 22, 2009Date of Patent: January 15, 2013Assignee: Konica Minolta Holdings, Inc.Inventor: Yuko Yoshida