The present specification discloses an incoming/outgoing-talk unit having an ear-hook unit, a cartilage conduction vibration unit that makes contact with ear cartilage in a state where the hook unit is hooked to the ear, an outgoing-talk unit, and a unit for performing short-range wireless communication with the mobile telephone. Further disclosed is an incoming-talk unit having an ear-hook unit, and a cartilage conduction vibration unit for transmitting cartilage conduction from outside of ear cartilage in a state where the hook unit is hooked to the ear. Also disclosed is an incoming-talk unit having a three-dimensional viewing adjustment unit, a temple having a unit for adjusting contact of eyesight-adjusting eyeglasses with the temple when the unit is superposedly mounted on the eyesight-adjusting eyeglasses; and an audio information output unit provided to the temple.

Incoming/outgoing-talk unit and incoming-talk unit

The present invention provides a reflector for an LED, including a polyamide composition and configure to keep high reflectance and high degree of whiteness even after being irradiated with LED light for a long period of time. The present invention is a reflector for an LED, including a polyamide composition containing polyamide (A) that has dicarboxylic acid units including 50 to 100 mol% of 1,4-cyclohexanedicarboxylic acid units and diamine units including 50 to 100 mol% of aliphatic diamine units having 4 to 18 carbon atoms.

Reflector for LED and light-emitting device equipped with same

PROBLEM TO BE SOLVED: To provide a polyamide resin composition which excels in both properties of impact resistance and toughness including elongation and of mechanical properties such as tensile strength and welding strength, and furthermore excels in properties such as heat resistance, low water absorption, chemical resistance, and long-term heat resistance, and a molded article composed thereof. SOLUTION: The polyamide resin composition is produced by kneading a polyamide (I) composed of a dicarboxylic acid unit containing 50-100 mol% terephthalic acid unit and a diamine unit containing 60-100 mol% a 6-18C aliphatic diamine unit and having a terminal amino group content ([NH 2 ]) of 10 μ-eq/g and less than 60 μ-eq/g, a modified resin (II) modified with an unsaturated compound having a carboxyl group and/or an acid anhydride group, and at least one filler (III) selected from a fibrous filler and a needle filler at a specific ratio, and the molded article comprises the composition. COPYRIGHT: (C)2008,JPO&INPIT

Polyamide resin composition and molded article comprising the same

This semi-aromatic polyamide comprises an aromatic dicarboxylic acid component, an aliphatic diamine component, and a monocarboxylic acid component, has a melting point of at least 300°C, and is characterized by the monocarboxylic acid component containing a monocarboxylic acid having a molecular weight of at least 140, and the amount of the monocarboxylic acid component contained being 1-8 mass%.

Semi-aromatic polyamide and molded body comprising same

PROBLEM TO BE SOLVED: To provide a polyamide composition for a reflecting plate, which has high heat resistance and good dynamic properties when being molded, is excellent in tight adhesion with a sealing member for LED packaging, and can hold a high reflectance even after receiving heat and light assumed in a manufacture step and use environment of LED packaging.SOLUTION: The polyamide composition for a reflecting plate contains ≥30 mass% of a polyamide (A) having a melting point of ≥280°C and ≥25 mass% of titanium oxide (B), wherein the total content of the polyamide (A) and the titanium oxide (B) is ≥75 mass%, and ≥50 mass% of the polyamide (A) is used as a solid having a particle diameter in the range of ≤1 mm.

Polyamide composition for reflecting plate, reflecting plate, light emission device having the reflecting plate, and illumination device and image display having the light emission device

PROBLEM TO BE SOLVED: To provide a polyamide resin composition having an extremely excellent low outgassing property and excellent in mechanical properties such as tensile elongation and low water absorption, heat resistance, slidability and chemical resistance. SOLUTION: A polyamide resin composition comprises a dicarboxylic acid unit (a) containing 50 to 100 mol% of terephthalic acid units, 1,9-nonanediamine units and / or 2-methyl-1,8-octanediamine units. 100 parts by weight of a polyamide resin (I) composed of 60 to 100 mol% of a diamine unit (b) and using benzoic acid as a terminal blocking agent, and 0.01 to 0.01 of a metal oxide and / or a metal hydroxide And 10 parts by weight. [Selection] None

光一内田

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Polyamide resin composition and molded article of the same

光一 内田

Papers

Polyamide resin composition and molded article of the same

光一内田