Patent application number | Description | Published |
20080266690 | Optical Filter and Lighting Apparatus - An optical filter and a lighting device using the same wherein the suppression of the melatonin secretion by the reception of light in the nighttime is prevented and the color of light is maintained desirable are provided. The optical filter has a mean transmissivity of a light beam in a wavelength range of about 480˜550 nm is about 30% or less. The optical filter is formed by at least molding a transparent resin and a resin composition material containing an orange color series fluorescent dye material, and, for 100 weight part of the transparent resin, the resin composition material containing about 0.005˜0.2 weight part of the orange color series fluorescent dye material is molded. This can prevent the suppression of the melatonin secretion in the nighttime. The color of light is maintained desirable. The optical filter may be applied to a lighting apparatus. | 10-30-2008 |
20090134819 | Illumination and sleep evaluation system - An illumination system ( | 05-28-2009 |
20100157573 | Light source apparatus - A light source apparatus includes a first light emitter, a second light emitter, and a third light emitter. The first light emitter has a peak wavelength within the range from 600 nm to 660 nm and a wavelength range at half peak intensity wider than the range from 600 nm to 660 nm, the second light emitter has a peak wavelength within the range from 530 nm to 570 nm and a wavelength range at half peak intensity wider than the range from 530 nm to 570 nm, and the third light emitter which a peak wavelength is 420 nm-470 nm in a spectral power distribution thereof. | 06-24-2010 |
20120032616 | WAKE-UP SYSTEM - A wake-up system includes an illumination apparatus which irradiated wake-up light, a control apparatus which controls output of the wake-up light irradiated from the illumination apparatus, and an interface apparatus which is operated by a user to input at least a wake-up time, the illumination apparatus includes an output variation apparatus which varies output of the wake-up light to be irradiated, and a color temperature variation apparatus which varies color temperature of the wake-up light, and the control apparatus includes a light output control unit which controls the output variation apparatus so as to increase the output of the wake-up light irradiated from the illumination apparatus from an wake-up operation start time to the wake-up time, and a color temperature control unit which controls the color temperature variation apparatus such that color temperature of the wake-up light in a time period from a first time to the wake-up time, the first time is a time passing a first predetermined time period from the wake-up operation start time becomes higher than color temperature of the wake-up light in a time period from a second time to the first time, the second time is a time before a second predetermined time period shorter than the first predetermined time period from the first time. | 02-09-2012 |
20120267652 | WHITE ORGANIC ELECTROLUMINESCENCE DEVICE - A white organic electroluminescence device includes: an anode electrode; a cathode electrode; a hole transport layer arranged between the anode electrode and the cathode electrode; an electron transport layer arranged between the anode electrode and the cathode electrode; and a plurality of light emission layers into which holes and electrons are injected from the hole transport layer and the electron transport layer, the light emission layers arranged between the hole transport layer and the electron transport layer. The light emission layers are configured to have at least one emission peak wavelength for each of blue, green and red. colors, and the emission peak. wavelength of the blue color ranges from about 445 nm to about 455 nm. | 10-25-2012 |
20120268927 | LIGHTING DEVICE - A lighting device includes a lower irradiation portion for irradiating light mainly in a vertically downward direction and an upper irradiation portion for irradiating light more horizontally than the lower irradiation portion. An irradiation angle of the upper irradiation portion is smaller than that of the lower irradiation portion. The upper irradiation portion is configured to reduce an S/P ratio denoting a ratio of scotopic vision luminance to photopic vision luminance. | 10-25-2012 |
20130229113 | LIGHTING SYSTEM AND LIGHTING CONTROL DEVICE EQUIPPED FOR THE LIGHTING SYSTEM - A lighting system includes a lighting load and a lighting control device. The lighting control device is configured to adjust a light output of the lighting load to a first light output corresponding to a first correlated color temperature and a first illuminance in a first time slot, and to decrease the light output of the lighting load up to a second light output corresponding to a second correlated color temperature and a second illuminance with the passage of time in a second time slot after the first time slot. | 09-05-2013 |
20130300280 | LIGHTING DEVICE - A lighting device includes an LED light source that emits light having a first peak wavelength at 430 to 460 nm and a second peak wavelength at 530 to 570 nm. | 11-14-2013 |
20130328500 | ILLUMINATION CONTROLLER AND ILLUMINATION SYSTEM INCLUDING SAME - An illumination controller, which is configured to control a light source unit, includes: a dial, which is rotatable, used to adjust a color temperature and a quantity of light irradiated from the light source unit, a memory which stores one or more control curves in which the color temperature and the quantity of light irradiated from the light source unit change in conjunction with each other; and a curve selection unit used to select one curve among the control curves stored in the memory. When the dial is rotated, the color temperature and the quantity of light irradiated from the light source unit change according to values defined on the control curve selected by the curve selection unit. | 12-12-2013 |
20130328503 | ILLUMINATION CONTROLLER AND ILLUMINATION SYSTEM INCLUDING SAME - An illumination controller controls a light source unit having multiple types of light sources that emit light of different colors. The controller including: a dial, which is rotatable, used to adjust a color temperature and an illuminance of light irradiated from the light source unit; a memory which stores one or more control curves in which the color temperature and the illuminance of light irradiated from the light source unit change in conjunction with each other; and an adjustment unit used to adjust one of the control curves stored in the memory. Thus, when the dial is rotated, the color temperature and the illuminance of light irradiated from the light source unit change according to values determined by the control curve which is adjusted by the adjustment unit. | 12-12-2013 |
20140015442 | LIGHTING DEVICE - A lighting device is provided with an illumination unit including two or less LED light sources. The illumination unit uses the two or less LED light sources to emit light of a short wavelength band and light of a long wavelength band. An output varying unit functions to vary an output of at least the long wavelength band light. When the output varying unit receives a varying signal, the output varying unit functions to decrease the output of at least the long wavelength band light. | 01-16-2014 |
20150305126 | ILLUMINATION SYSTEM AND ILLUMINATION DEVICE - An illumination system includes an illumination device, a control unit for controlling a turn-on operation of the illumination device, and a terminal through which manipulation information of the illumination device is inputted by a user. The control unit includes an information extracting unit for extracting illumination information, within a period between a first moment prior to a falling-asleep time of the user and a second moment after a wakeup time of the user, from manipulation information and operation information of the illumination device stored in a memory unit, and an information transceiver unit for transmitting and receiving the illumination information to and the terminal. The terminal includes a terminal transceiver unit for transmitting and receiving the illumination information to and from the control unit, a display unit for displaying the illumination information received through the terminal transceiver unit and an input unit by which the manipulation information is inputted. | 10-22-2015 |
Patent application number | Description | Published |
20120008978 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoreceptor including a conductive substrate, a photosensitive layer located overlying the conductive substrate, and a hardened protective layer located overlying the photosensitive layer. The hardened protective layer comprises a hardened material of a hardenable composition comprising a radical-polymerizable compound (A) having a charge transport structure and a radical-polymerizable compound (B) having an adamantane skeleton. | 01-12-2012 |
20120009513 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - To provide an electrophotographic photoconductor, containing: a conductive support; a photosensitive layer provided above the conductive support; and a hardened protective layer provided above the photosensitive layer, wherein the hardened protective layer contains a hardened product of a radical polymerizable compound containing an adamantane skeleton. | 01-12-2012 |
20120100473 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE FOR IMAGE FORMING APPARATUS - An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer, and a cured protection layer, wherein the cured protection layer comprises a cured material of a tri- or more functional radical polymerizable compound and a filler exposed from the surface of the cured protection layer which comprises a bump along the surface of the filler, and wherein the cured protection layer has a thickness (T) larger than a diameter (2r) of the filler therein and the following relationships (a) is satisfied: | 04-26-2012 |
20130137022 | IMAGE BEARING MEMBER AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING THE SAME - An image bearing member includes a substrate, a photosensitive layer overlying the substrate, and a surface protective layer overlying the photosensitive layer and having a surface comprising multiple concave structures with a maximum diameter of from 1 μm to 3 μm and a maximum depth of from 10 nm to 50 nm. Any one of the concave structures has at least one other concave structure within 3 μm thereof. | 05-30-2013 |
20130243484 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus including an image bearing member having a surface layer A having a surface hardness of 200 N/mm | 09-19-2013 |
20130244150 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An electrophotographic photoreceptor, including an electroconductive substrate; a photosensitive layer overlying the electroconductive substrate; and a surface layer overlying the photosensitive layer, wherein the surface layer includes a resin having no charge transportability; and an inorganic particulate material, wherein the inorganic particulate material is a zinc oxide doped with a boron group, and wherein the electrophotographic photoreceptor has a surface specific resistivity (R1) not less than 10 | 09-19-2013 |
20140064810 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus includes an electrophotographic photoreceptor; and a cleaning blade. The electrophotographic photoreceptor includes an outermost layer having a ten-point average roughness Rz of from 0.5 to 2.4 μm and an average interval between concavities and convexities Sm of from 30 to 300 μm, and the cleaning blade includes a reed-shaped elastic blade having a contact point to the electrophotographic photoreceptor. The contact point includes a substrate; a mixed layer overlying the substrate, including a material forming the substrate and at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 1.0 μm; and a surface layer overlying the mixed layer, including at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 0.1 μm. | 03-06-2014 |
20140199620 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoconductor, including: an electroconductive substrate; and at least a photoconductive layer and a surface layer in this order over the electroconductive substrate, wherein the surface layer includes a resin having no charge transport properties, and first inorganic fine particles, and wherein the first inorganic fine particles are inorganic fine particles having surfaces modified with at least one of a primary amino group and a secondary amino group, and a volume resistivity of the first inorganic fine particles is 1×10 | 07-17-2014 |
20140267520 | METHOD OF FORMING IMAGE AND INK JET RECORDING APPARATUS - A method of forming an image includes a step of heating a nonporous substrate to a temperature in a range of from 30° C. to 80° C.; and a step of forming an image on the nonporous substrate by applying water-based inks of at least two colors to the nonporous substrate employing an ink jet technique, wherein an ink set that contains water-based inks each containing a coloring material, an emulsion resin, water, and a water-soluble solvent is used to apply the water-based inks of the at least two colors, and, of the water-based inks in the ink set, at least one water-based ink has a minimum film-forming temperature different from those of water-based inks of other colors. | 09-18-2014 |
20140377516 | AQUEOUS INK FOR INKJET, INKJET RECORDING DEVICE, INKJET PRINTED MATTER, AND INKJET RECORDING METHOD - An aqueous ink for inkjet recording contains water, a hydrosoluble organic solvent, resin particles, and a pigment, wherein the hydrosoluble organic solvent contains at least three kinds of diol compounds accounting for 45% by weight or more in the hydrosoluble organic solvent, wherein three or more of the at least three kinds of diol compounds have boiling points 10° C. or greater apart from each other. | 12-25-2014 |
20150017396 | INK FOR AQUEOUS INKJET RECORDING, INKJET RECORDING METHOD, AND INKJET PRINTED MATTER - An ink for aqueous inkjet recording contains: water; a hydrosoluble organic solvent; a pigment; and polycarbonate-based urethane resin particles, wherein the pigment contains a geminalbis phosphonic acid group and/or a geminalbis phosphonate group. | 01-15-2015 |
20150050467 | INK FOR AQUEOUS INKJET RECORDING, INKJET RECORDING METHOD, AND INKJET PRINTED MATTER - Ink for aqueous inkjet recording contains water, a hydrosoluble organic solvent; a pigment; and an acrylic-modified polycarbonate-based urethane resin that contains at least one of an acrylic monomer, a methacrylic monomer, and an alkylester thereof as components. | 02-19-2015 |
20150077479 | AQUEOUS INK FOR INKJET, INK CARTRIDGE, AND INKJET RECORDING DEVICE - Aqueous ink for inkjet that contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent comprises 2,3-butane diol having a total ratio of (2R, 3R) form and (2S, 3S) form of greater than 50% by weight in 2,3-butane diol, where (2R, 3R) form represents (2R, 3R)-(−)-2,3-butane diol and (2S, 3S) form represents (2S, 3S)-(+)-2,3-butane diol, wherein 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink. | 03-19-2015 |
20150077482 | AQUEOUS INK FOR INKJET, INK CARTRIDGE, AND INKJET RECORDING DEVICE - Aqueous ink for inkjet contains water; a hydrosoluble organic solvent; a pigment; and a resin, wherein the hydrosoluble organic solvent contains 2,3-butane diol having meso-2,3-butane diol in an amount of 50% by weight or more in 2,3-butane diol and 2,3-butane diol accounts for 5% by weight to 40% by weight of the entire of the aqueous ink. | 03-19-2015 |
20150116433 | AQUEOUS INK FOR INKJET, INKJET RECORDER AND INKJET RECORDING METHOD - An aqueous ink for inkjet includes water; a hydrosoluble organic solvent; a pigment; and a particulate resin. The hydrosoluble organic solvent includes 2,3-butanediol and 1,2-propanediol at a weight ratio (2,3-butanediol/1,2-propanediol) of from 98/2 to 60/40. | 04-30-2015 |
20150138284 | INKJET INK, INK CARTRIDGE, AND INKJET RECORDING DEVICE - An inkjet ink including: water; a water-soluble organic solvent; a pigment; polycarbonate modified urethane resin particles; an ultraviolet absorber; and a light stabilizer. | 05-21-2015 |
20150191614 | AQUEOUS INK FOR INKJET, INKJET RECORDING METHOD, INKJET RECORDED MATTER, AND INKJET RECORDING DEVICE - An aqueous ink for inkjet includes water, at least one hydrosoluble organic solvent each having a boiling point of 250° C. or lower; vinyl polymer particles containing a pigment, and polycarbonate-based urethane resin particles, wherein the aqueous ink for inkjet is used for an inkjet recording system including a heating step. | 07-09-2015 |
20150258783 | INKJET RECORDING METHOD, INKJET RECORDED MATTER, AND INKJET RECORDING DEVICE - An inkjet recording method includes ejecting an ink having a temperature from 28° C. to 40° C. and attaching the ink to a non-porous substrate having a temperature 5° C. to 20° C. higher than that of the ink, wherein the ink contains a colorant, resin particles, water, a hydrosoluble organic solvent, and a silicone-based surfactant, wherein the silicone-based surfactant accounts for 1% by weight to 3% by weight in the ink. | 09-17-2015 |
20150259553 | INK, INKJET RECORDING METHOD, AND RECORDED MATTER - An ink contains water, a hydrosoluble organic solvent, a colorant, a resin A; and a resin B, wherein the content of the resin B is from 0.5% by weight to less than 10% by weight to the content of the resin A and the resin B has a minimum film-forming temperature at least 30° C. lower than that of the resin A. | 09-17-2015 |