Canon Kabushiki Kaisha

Canon Medical Systems Corporation

Minako Nakasu

Naoki Yamada

Jun Kamatani

Masashi Hashimoto

Satoshi Igawa

Shinjiro Okada

Keiji Okinaka

Takao Takiguchi

Akihito Saitoh

Motokazu Kobayashi

Maki Okajima

Akihiro Senoo

Takayuki Horiuchi

Masanori Muratsubaki

Hajime Muta

Tomonari Horikiri

Masataka Yashima

Tomona Yamaguchi

Ryota Ooishi

Hiroto Numazawa

Tetsuo Takahashi

Akira Tsuboyama

Takayuki Ito

Yosuke Nishide

Takeshi Sekiguchi

Sakae Suda

Yoshihiro Ohashi

Hironobu Iwawaki

Kengo Kishino

Yoshinori Kotani

Kazumichi Nakahama

Fumio Yamauchi

Itaru Takaya

Fumio Uchida

Chika Negishi

Kengo Kanazaki

Chiemi Shimizu

Yutaka Tani

Ryo Natori

Naoyuki Koketsu

Toshio Tomiyoshi

Yohei Iwasaki

Youichi Fukaya

A sodium niobate-barium titanate-based coating liquid composition including: (a) a sol-gel raw material containing (i) a niobium component, such as a niobium alkoxide, (ii) a sodium component, such as a sodium alkoxide, (iii) a titanium component, such as a titanium alkoxide, and (iv) a barium component, such as a barium alkoxide; and (b) a compound including at least one kind selected from the group consisting of a &#x3b2;-ketoester compound and a &#x3b2;-diketone compound represented by the following formula (1): 

Coating liquid composition for forming piezoelectric film, oriented piezoelectric film, and liquid ejection head

Provided is a coating liquid for forming a piezoelectric thin film containing lead zirconate titanate, the coating liquid including a complex precursor containing at least three kinds of metal elements of Pb, Ti, and Zr, the coating liquid being free from an exothermic peak at a temperature of 450&#xb0; C. or more, or having a heat generation amount at a temperature of from 400&#xb0; C. to 450&#xb0; C., which is larger than a heat generation amount at a temperature of from 450&#xb0; C. to 500&#xb0; C., in differential thermal analysis of the coating liquid.

Coating liquid for forming piezoelectric thin film, method of producing coating liquid for forming piezoelectric thin film, piezoelectric thin film, method of manufacturing piezoelectric thin film, and liquid ejection head

Disclosed is a method of manufacturing a piezoelectric substrate, the method including: forming an intermediate layer of Ti and a lower electrode of Pt oriented in a (111) axis direction on a substrate without heating the substrate; applying a coating liquid for forming an orientation control layer made of lead titanate onto the lower electrode; drying the coating liquid at a predetermined temperature to form an orientation control layer precursor made of lead titanate; applying a coating liquid for forming a piezoelectric thin film made of lead zirconate titanate; drying the coating liquid at a predetermined temperature to form a piezoelectric precursor made of a lead zirconate titanate precursor; and collectively firing the orientation control layer precursor and the piezoelectric precursor to crystallize both the precursors, to thereby form a piezoelectric thin film made of lead zirconate titanate preferentially oriented in a (110) plane.

Piezoelectric substrate and method of manufacturing the piezoelectric substrate, and liquid ejection head

A piezoelectric actuator has a ground substrate layer, an intermediate layer containing at least one of Ti and TiOon the ground substrate layer, an electrode layer containing Pt on the intermediate layer, and a piezoelectric layer containing lead zirconate titanate on the electrode layer, in which the lead zirconate titanate contained in the piezoelectric layer is preferentially oriented in the (100), (001), or (110) direction, the Pt contained in the electrode layer is preferentially oriented in the (111) direction, and the half width of the rocking curve in the (111) plane of the Pt contained in the electrode layer in X-ray diffraction is 1&#xb0; or more.

Piezoelectric actuator, method for manufacturing same, and liquid discharge head

An organic light-emitting device is provided that is driven with a low voltage and has a high luminous efficiency and a long device lifetime. The organic light-emitting device includes an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and an organic compound layer disposed between the cathode and the light-emitting layer and being in contact with the cathode. The organic compound layer includes a complex represented by Formula [1]: 

Organic light-emitting device, display apparatus, image display apparatus, lighting apparatus, image formation apparatus, and exposure apparatus

Provided is an organic light emitting device with enhanced durability during continuous driving. The organic light emitting device includes: an anode, a cathode, and an organic compound layer being placed between the anode and the cathode and including at least a hole transport layer and an emission layer, in which: the emission layer contains a blue light emitting material; the hole transport layer contains a plurality of kinds of organic compounds; and an organic compound having the smallest ionization potential among the organic compounds includes a compound having no absorption spectrum peak in a blue color wavelength region in a radical cation state.

Organic light emitting device

Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime. An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the Tof the host material and the Tof the hole-blocking layer or between the Tof the host material and the Tof the electron-blocking layer, are specified.

Organic light-emitting device

A novel fluorenylamine compound represented by a general formula below, where Rto Rare each independently selected from a hydrogen atom and alkyl groups; Rto Rare each independently selected from a hydrogen atom and the alkyl groups; and the alkyl groups are a methyl group, an ethyl group, a n-propyl group, an isopropyl group, a n-butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group. 

Fluorenylamine compound, organic light emitting device containing the same, material for organic light emitting device, display apparatus, and image input apparatus

There is provided a novel organic compound represented by following general formula [I]and that has an excellent luminescent hue and that can produce high efficiency, high-intensity, and long-life light output, and an organic light-emitting device containing the novel organic compound, wherein X1 to X3 independently denote a hydrogen atom, an alkyl group, or an aryl group.

Organic compound

To provide a compound excellent in light emitting properties and an organic light emitting device having the compound. The compound is a 4-aminofluorene compound represented by the following general formula (1): 

4-aminofluorene compound and organic light emitting device

Provided is a novel dibenzo[a,c]anthracene compound having substituents, which can be used in an organic light emitting device.

Dibenzoanthracene compound and organic light emitting device having the same

A fused polycyclic compounds is represented by the general formula (I): wherein Xto Xeach represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.

Fused polycyclic compounds and organic light-emitting device using the same

There is provided a benzo[a]fluoranthene compound represented by the formula (I): wherein: at least one Rto Rrepresents Rrepresented by the formula (i):R=&#x2014;Ar&#x2014;X&#x2003;&#x2003;(i)wherein: Arrepresents any one of the following groups (i-a) to (i-c): (i-a) a substituted or unsubstituted phenylene group, (i-b) a substituted or unsubstituted monocyclic heterocyclic group, and (i-c) a composite substituent formed of two substituents selected from substituents corresponding to the groups (i-a) and (i-b); and Xrepresents a substituted or unsubstituted alkyl group having 2 or more carbon atoms, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group; and Rto Rnone of which is represented by Reach represent a hydrogen atom, a halogen atom or the like, and Rto Rnone of which is represented by Rmay be identical to or different from each other.

Benzo[a]fluoranthene compound and organic light emitting device using the same

Provided is a novel fluorene compound, which is represented by the following general formula (1): 

Fluorene compound and organic electroluminescence device

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Tokyo, Japan

Minako Nakasu