Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Makoto Horiuchi

Mamoru Takeda

Kiyoshi Takahashi

Tsuyoshi Ichibakase

Tomoyuki Seki

Makoto Kai

Shinichiro Hataoka

Yuriko Kaneko

Kenichi Sasaki

Takashi Tsutatani

Shinichi Yamamoto

Toshio Mori

Yoshitaka Kurimoto

Kazuaki Ohkubo

Hideaki Kiryu

Mitsuhiko Kimoto

Mika Sakaue

Takaari Uemoto

Satoshi Kominami

Takeshi Saito

Hiroshi Nohara

Syunsuke Ono

Atsushi Motoya

Atsushi Utsubo

Kazuyuki Okano

Jun Sakaguchi

Ikuko Aoki

Ryo Minamihata

Masahiro Yamamoto

Yasuo Takeuchi

Masahiro Miki

Yoshiharu Nishiura

Masato Yoshida

Koji Miyazaki

Yoshio Manabe

Naoki Tagami

Kouji Miyazaki

Yoshiki Kitahara

Shigeru Horii

Toshiyuki Shimizu

Yukiya Kanazawa

Kazuhisa Tanaka

Masataka Ozawa

Toshiaki Ogura

Hiroshi Yagi

Takayuki Murase

Kazutaka Koyama

Takeharu Tsutsumi

Takayuki Kamitani

Tsuyoshi Nagakura

Tatsushi Higuchi

Minako Akai

Yurika Goto

Makoto Matsushita Electric Industrial Co Ltd Iproc Kai

Makoto c/oMatElecInd Co Ltd Iproc Kai

Jun c/o Matsushita Electr Ind Co Lt Sakaguchi

A light-emitting module includes a substrate, an LED chip arranged on a main surface of the substrate, a sealing member covering the LED chip on the main surface of the substrate and converting a wavelength of the light produced by the LED chip, and a heat transfer member thermally connecting the sides of the LED chip to the main surface of the substrate and dissipating heat produced by the LED chip to the substrate. The heat transfer member is made up of a silicone resin having particles dispersed therein, the particles being nanoparticles of ZrOand microparticles of MgO, which have higher thermal conductivity than the silicone resin.

Light-emitting module and lamp using same

To constrain reductions in luminous efficacy while enhancing the color rendition index, the LED module includes a blue LED, at least one variety of phosphor particles excited by the outgoing light from the blue LED, and neodymium glass particles that include neodymium ions absorbing the outgoing light from the phosphor particles in a predetermined wavelength band.

LED module, LED lamp, and illuminating apparatus

An object of the present invention is to provide a mounting substrate, a manufacturing method, a light-emitting module and an illumination device that can sufficiently improve the luminous efficiency of an LED lamp. A mounting substrate according to the present invention includes a substrate and a reflective film that is formed on a front surface of the substrate and has a front surface on which LED chips are to be mounted, and the reflective film is made of metal oxide microparticles and a glass frit, and reflects light from the LED chips.

Mounting substrate and manufacturing method thereof, light-emitting module and illumination device

A manufacturing method of a high-pressure mercury lamp includes an electric field application step in which an electric field is applied to at least a light emission part () with the high-pressure mercury lamp being kept at a high temperature. This can reduce impurities such as hydrogen and alkali metals in a discharge space () and glass forming the light emission part (). As a consequence, blackening and devitrification of the high-pressure mercury lamp while the lamp is lit can be reduced.

Manufacturing method of high-pressure discharge lamp, high-pressure discharge lamp, lamp unit using high-pressure discharge lamp, and image display apparatus using high-pressure discharge lamp

A metal halide lamp according to the present invention includes: a main tube () made of a light-transmitting ceramic and forming a part of an arc tube; a first thin tube () coupled to a first end of the main tube (); a second thin tube () coupled to a second end of the main tube (); a pair of electrodes (), which are inserted into the first and second thin tubes (), respectively, such that the far ends thereof face each other inside the main tube (); and a first metal halide enclosed in the arc tube. A second metal halide, which has a lower vapor pressure than that of the first metal halide, is further enclosed in the arc tube. And the main tube () has portions, of which the inside diameter decreases monotonically toward the ends.

Metal halide lamp with light-transmitting ceramic arc tube

A method for manufacturing a high pressure mercury lamp having a high pressure resistance strength includes an electric field application step of applying an electric field to at least a light emitting part while keeping the high pressure mercury lamp at a high temperature. As a result of the electric field application step, impurities such as hydrogen and an alkali metal existing in a discharge space and in glass used for forming the light emitting part () and sealing parts () can be reduced, with it being possible to suppress blackening and devitrification during lighting.

Method for manufacturing high pressure discharge lamp, high pressure discharge lamp manufactured using the method, lamp unit, and image display device

An energy converter according to the present invention includes a heat source (radiator), which receives externally applied energy and raises its temperature, thereby emitting electromagnetic radiations, and a radiation cut portion (mesh) for cutting down infrared radiations, of which the wavelengths are longer than a predetermined wavelength. The meshis a woven or knitted mesh of metal wires. The openings of the woven or knitted mesh have an aperture size that is smaller than the predetermined wavelength.

Energy converter and method of making the same

A metal halide lamp of the present invention has an arc tube formed of ceramic and a pair of opposing electrodes. This lamp includes a Pr (praseodymium) halide, a Na (sodium) halide, and a Ca (calcium) halide enclosed within the arc tube. The Pr halide content Hp [mol], the Na halide content Hn [mol], and the Ca halide content Hc [mol] satisfy the relationships of 0.4&#x2266;Hc/Hp&#x2266;15.0 and 3.0&#x2266;Hn/Hp&#x2266;25.0.

Metal halide lamp

A discharge lampcomprises a luminous bulbin which a luminous materialis encapsulated and a pair of electrodesare arranged to be opposed to each other, and sealing parts () that are formed at both ends of the luminous bulband in which metal foil structureselectrically connected to the pair of electrodes, respectively, are sealed. At least one of the metal foil structuresis composed of a first metal foil, a second metal foiland a metal barcoupling both of them. At least one sealing partof the sealing parts includes a cavityaround the position where in the sealing part the metal baris located, and at least a rare gas is encapsulated in the cavity

Discharge lamp, method for fabricating the same and lamp unit

An energy converter according to the present invention includes a filamentfor converting given energy into electromagnetic waves and radiating the waves, and a radiation suppressing portion for suppressing some of the electromagnetic waves (e.g., infrared rays), which have been radiated from the filamentand of which the wavelengths exceed a predetermined value. The radiation suppressing portion has a bundleof fine wires, of which the axial direction is aligned with a direction in which the electromagnetic waves propagate with their radiations suppressed.

Energy converter and light source

A lamp with a reflector comprises a high pressure discharge lamp and a reflector. The reflector has a first opening and a second opening. Clearance between a sealing portion of the high pressure discharge lamp and the second opening is substantially filled. The sealing portion includes a first glass portion extending from a luminous bulb and a second glass portion provided in the inside of the first glass portion, and the sealing portion has a portion to which a compressive stress is applied. Moreover, when the sealing portion is disposed to extend in a substantially horizontal direction, a portion of the reflector is formed with an air inlet for introducing an air flow striking against an upper portion of the luminous bulband then coming into a lower portion of the luminous bulb

High pressure mercury lamp with vented reflector and image projection apparatus

A method for manufacturing a high-pressure discharge lamp includes a process step in which a sealing portion is formed out of a side tube portion of a glass pipe that is designed for use in a discharge lamp. In the step of forming the sealing portion, a compound glass tube, which is composed of an outer tube made of a first glass and an inner tube made of a second glass whose softening point is lower than that of the first glass, is inserted into the side tube portion, which is also formed of the first glass. The side tube portion is then heated so that the side tube portion is brought in tight contact with the compound glass tube. Thereafter, at least the sealing portion is heated at a temperature higher than the strain point temperature of the second glass portion.

Method for manufacturing high-pressure discharge lamp, glass tube for high-pressure discharge lamp, and lamp element for high-pressure discharge lamp

A glass pipefor a discharge lamp is prepared which includes a luminous bulb portionthat will be formed into a luminous bulb of a high pressure discharge lamp and a side tube portion. Subsequently, a glass membermade of a second glass having a softening point lower than that of a first glass constituting the side tube portionis inserted into the side tube portion, after which a getteris disposed in the side tube portion. Then, with the pressure inside the glass pipereduced, the side tube portionis heated to tightly attach the glass memberto the side tube portion, thereby forming a sealing portion.

Method for producing a high pressure discharge lamp, with sealing portion having first and second glass members

A high pressure discharge lampcomprises a luminous bulbenclosing a luminous substanceinside and a sealing portionfor retaining the airtightness of the luminous bulb. The sealing portionhas a first glass portionextending from the luminous bulband a second glass portionprovided at least in a portion of the inside of the first glass portion, and further has a portion () to which a compressive stress is applied. In the luminous bulb, mercuric bromide (HgBr) is enclosed.

A discharge lamp includes a luminous bulb in which a luminous material is enclosed and a pair of electrodes are opposed in the luminous bulb; and a pair of sealing portions for sealing a pair of metal foils electrically connected to the pair of electrodes, respectively. At least one of the pair of metal foils has a twist structure.

Discharge lamp, method for producing the same and lamp unit

Growing community of inventors

Nara, Japan

Makoto Horiuchi