Mitsubishi Chemical Corporation

Tsubasa Tomura

Hiroshi Kobayashi

Yutaka Mori

Hanako Kato

Masanori Yamazaki

Mari Abe

A semiconductor light-emitting device member excellent in transparency, light resistance, and heat resistance and capable of sealing a semiconductor light-emitting device without causing cracks and peeling even after a long-time use is provided wherein the semiconductor light-emitting device member contains (A) in a solid state Si-nuclear magnetic resonance spectrum, at least one peak selected from (a) peaks whose peak top position is in an area of a chemical shift of &#x2212;40 ppm to 0 ppm inclusive, and whose full width at half maximum is 0.3 ppm to 3.0 ppm inclusive, and (b) peaks whose peak top position is in an area of the chemical shift of &#x2212;80 ppm or more and less than &#x2212;40 ppm, and whose full width at half maximum is 0.3 ppm to 5.0 ppm inclusive, wherein (B) silicon content is 20 weight % or more and (C) silanol content is 0.1 weight % to 10 weight % inclusive.

Semiconductor light emitting device member, method for manufacturing such semiconductor light emitting device member and semiconductor light emitting device using such semiconductor light emitting device member

To provide a semiconductor device member that is superior in heat resistance, light resistance, film-formation capability and adhesion, and is capable of sealing a semiconductor device and holding a phosphor without causing cracks, peelings and colorings even after used for a long period of time, the weight loss at the time of heating, measured by a predetermined weight-loss at-the-time-of-heating measurement method, is 50 weight % or lower and the ratio of peeling, measured by a predetermined adhesion evaluation method, is 30% or lower, in the semiconductor device member.

Semiconductor device member, production method of semiconductor-device-member formation liquid and semiconductor device member, and semiconductor-device-member formation liquid, phosphor composition, semiconductor light-emitting device, lighting system and image display system using the same

To provide novel semiconductor light-emitting device member superior in transparency, light resistance, and heat resistance and capable of sealing semiconductor light-emitting device and holding phosphor without generating cracks or peelings even after use for a long time, the member meets the following requirements: (1) comprising functional group forming hydrogen bond with hydroxyl group or oxygen in a metalloxane bond, on the surface of ceramic or metal, (2) maintenance rate of transmittance at 400 nm wavelength before and after left at 200&#xb0; C. for 500 hours is between 80% to 110%, (3) no change is observed by visual inspection after irradiated with light having 380 nm to 500 nm wavelength, whose center wavelength is between 400 nm and 450 nm both inclusive, for 24 hours with 4500 W/millumination intensity at 436 nm wavelength, and (4) refractive index at 550 nm wavelength is 1.45 or larger.

Member for semiconductor light emitting device and method for manufacturing such member, and semiconductor light emitting device using such member

A semiconductor light-emitting device member excellent in transparency, light resistance, and heat resistance and capable of sealing a semiconductor light-emitting device without causing cracks and peeling even after a long-time use is provided wherein the semiconductor light-emitting device member contains (A) in a solid Si-nuclear magnetic resonance spectrum, at least one peak selected from (a) peaks whose peak top position is in an area of a chemical shift of &#x2212;40 ppm to 0 ppm inclusive, and whose full width at half maximum is 0.3 ppm to 3.0 ppm inclusive, and (b) peaks whose peak top position is in an area of the chemical shift of &#x2212;80 ppm or more and less than &#x2212;40 ppm, and whose full width at half maximum is 0.3 ppm to 5.0 ppm inclusive, wherein (B) silicon content is 20 weight % or more and (C) silanol content is 0.1 weight % to 10 weight % inclusive.

Growing community of inventors

Kitakyushu, Japan

Tsubasa Tomura